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 * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md.
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to{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new Zn({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let t=this.start.getLastMatchingPosition(eo,{direction:"backward"}),e=this.end.getLastMatchingPosition(eo);return t.parent.is("$text")&&t.isAtStart&&(t=Xn._createBefore(t.parent)),e.parent.is("$text")&&e.isAtEnd&&(e=Xn._createAfter(e.parent)),new to(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(eo);if(t.isAfter(this.end)||t.isEqual(this.end))return new to(t,t);let e=this.end.getLastMatchingPosition(eo,{direction:"backward"});const n=t.nodeAfter,o=e.nodeBefore;return n&&n.is("$text")&&(t=new Xn(n,0)),o&&o.is("$text")&&(e=new Xn(o,o.data.length)),new to(t,e)}isEqual(t){return this==t||this.start.isEqual(t.start)&&this.end.isEqual(t.end)}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),o=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&o}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new to(this.start,t.start)),this.containsPosition(t.end)&&e.push(new to(t.end,this.end))):e.push(this.clone()),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new to(e,n)}return null}getWalker(t={}){return t.boundaries=this,new Zn(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;let t=this.start.nodeAfter,e=this.end.nodeBefore;return this.start.parent.is("$text")&&this.start.isAtEnd&&this.start.parent.nextSibling&&(t=this.start.parent.nextSibling),this.end.parent.is("$text")&&this.end.isAtStart&&this.end.parent.previousSibling&&(e=this.end.parent.previousSibling),t&&t.is("element")&&t===e?t:null}clone(){return new to(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Zn(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Zn(t);yield e.position;for(const t of e)yield t.nextPosition}is(t){return"range"===t||"view:range"===t}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}static _createFromParentsAndOffsets(t,e,n,o){return new this(new Xn(t,e),new Xn(n,o))}static _createFromPositionAndShift(t,e){const n=t,o=t.getShiftedBy(e);return e>0?new this(n,o):new this(o,n)}static _createIn(t){return this._createFromParentsAndOffsets(t,0,t,t.childCount)}static _createOn(t){const e=t.is("$textProxy")?t.offsetSize:1;return this._createFromPositionAndShift(Xn._createBefore(t),e)}}function eo(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function no(t){let e=0;for(const n of t)e++;return e}class oo{constructor(t=null,e,n){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,n)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.end:t.start).clone()}get focus(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.start:t.end).clone()}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const t of this._ranges)yield t.clone()}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?t.clone():null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}isEqual(t){if(this.isFake!=t.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel)return!1;if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const o of t._ranges)if(e.isEqual(o)){n=!0;break}if(!n)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=no(this.getRanges());if(e!=no(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let n=!1;for(let o of t.getRanges())if(o=o.getTrimmed(),e.start.isEqual(o.start)&&e.end.isEqual(o.end)){n=!0;break}if(!n)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(t,e,n){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof oo||t instanceof io)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof to)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof Xn)this._setRanges([new to(t)]),this._setFakeOptions(e);else if(t instanceof Ue){const o=!!n&&!!n.backward;let i;if(void 0===e)throw new xe.a("view-selection-setto-required-second-parameter",this);i="in"==e?to._createIn(t):"on"==e?to._createOn(t):new to(Xn._createAt(t,e)),this._setRanges([i],o),this._setFakeOptions(n)}else{if(!Oe(t))throw new xe.a("view-selection-setto-not-selectable",this);this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new xe.a("view-selection-setfocus-no-ranges",this);const n=Xn._createAt(t,e);if("same"==n.compareWith(this.focus))return;const o=this.anchor;this._ranges.pop(),"before"==n.compareWith(o)?this._addRange(new to(n,o),!0):this._addRange(new to(o,n)),this.fire("change")}is(t){return"selection"===t||"view:selection"===t}_setRanges(t,e=!1){t=Array.from(t),this._ranges=[];for(const e of t)this._addRange(e);this._lastRangeBackward=!!e}_setFakeOptions(t={}){this._isFake=!!t.fake,this._fakeSelectionLabel=t.fake&&t.label||""}_addRange(t,e=!1){if(!(t instanceof to))throw new xe.a("view-selection-add-range-not-range",this);this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new xe.a("view-selection-range-intersects",this,{addedRange:t,intersectingRange:e});this._ranges.push(new to(t.start,t.end))}}Re(oo,Te);class io{constructor(t=null,e,n){this._selection=new oo,this._selection.delegate("change").to(this),this._selection.setTo(t,e,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(t){return this._selection.isEqual(t)}isSimilar(t){return this._selection.isSimilar(t)}is(t){return"selection"===t||"documentSelection"==t||"view:selection"==t||"view:documentSelection"==t}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}Re(io,Te);class ro{constructor(t){this.selection=new io,this.roots=new De({idProperty:"rootName"}),this.stylesProcessor=t,this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(t="main"){return this.roots.get(t)}registerPostFixer(t){this._postFixers.add(t)}destroy(){this.roots.map((t=>t.destroy())),this.stopListening()}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(e=n(t),e)break}while(e)}}Re(ro,Un);class so extends Rn{constructor(t,e,n,o){super(t,e,n,o),this.getFillerOffset=ao,this._priority=10,this._id=null,this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(null===this.id)throw new xe.a("attribute-element-get-elements-with-same-id-no-id",this);return new Set(this._clonesGroup)}is(t,e=null){return e?e===this.name&&("attributeElement"===t||"view:attributeElement"===t||"element"===t||"view:element"===t):"attributeElement"===t||"view:attributeElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}isSimilar(t){return null!==this.id||null!==t.id?this.id===t.id:super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);return e._priority=this._priority,e._id=this._id,e}}function ao(){if(lo(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(lo(t)>1)return null;t=t.parent}return!t||lo(t)>1?null:this.childCount}function lo(t){return Array.from(t.getChildren()).filter((t=>!t.is("uiElement"))).length}so.DEFAULT_PRIORITY=10;class co extends Rn{constructor(t,e,n,o){super(t,e,n,o),this.getFillerOffset=uo}is(t,e=null){return e?e===this.name&&("emptyElement"===t||"view:emptyElement"===t||"element"===t||"view:element"===t):"emptyElement"===t||"view:emptyElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof Ue||Array.from(e).length>0))throw new xe.a("view-emptyelement-cannot-add",[this,e])}}function uo(){return null}const ho=navigator.userAgent.toLowerCase();var fo=function(t){return t.indexOf("macintosh")>-1}(ho),mo=function(t){return!!t.match(/gecko\/\d+/)}(ho),go=function(t){return t.indexOf(" applewebkit/")>-1&&-1===t.indexOf("chrome")}(ho),po=function(t){return t.indexOf("android")>-1}(ho);(function(t){t.indexOf("chrome/")>-1&&t.indexOf("edge/")})(ho),function(){let t=!1;try{t=0==="ć".search(new RegExp("[\\p{L}]","u"))}catch(t){}}();const bo={"⌘":"ctrl","⇧":"shift","⌥":"alt"},wo={ctrl:"⌘",shift:"⇧",alt:"⌥"},ko=function(){const t={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let e=65;e<=90;e++){t[String.fromCharCode(e).toLowerCase()]=e}for(let e=48;e<=57;e++)t[e-48]=e;for(let e=112;e<=123;e++)t["f"+(e-111)]=e;return t}();function _o(t){let e;if("string"==typeof t){if(e=ko[t.toLowerCase()],!e)throw new xe.a("keyboard-unknown-key",null,{key:t})}else e=t.keyCode+(t.altKey?ko.alt:0)+(t.ctrlKey?ko.ctrl:0)+(t.shiftKey?ko.shift:0);return e}function vo(t){return"string"==typeof t&&(t=To(t)),t.map((t=>"string"==typeof t?_o(t):t)).reduce(((t,e)=>e+t),0)}function yo(t){return fo?To(t).map((t=>wo[t.toLowerCase()]||t)).reduce(((t,e)=>t.slice(-1)in bo?t+e:t+"+"+e)):t}function xo(t){return t==ko.arrowright||t==ko.arrowleft||t==ko.arrowup||t==ko.arrowdown}function Ao(t,e){const n="ltr"===e;switch(t){case ko.arrowleft:return n?"left":"right";case ko.arrowright:return n?"right":"left";case ko.arrowup:return"up";case ko.arrowdown:return"down"}}function Co(t,e){const n=Ao(t,e);return"down"===n||"right"===n}function To(t){return t.split(/\s*\+\s*/)}class So extends Rn{constructor(t,e,n,o){super(t,e,n,o),this.getFillerOffset=Eo}is(t,e=null){return e?e===this.name&&("uiElement"===t||"view:uiElement"===t||"element"===t||"view:element"===t):"uiElement"===t||"view:uiElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof Ue||Array.from(e).length>0))throw new xe.a("view-uielement-cannot-add",this)}render(t){return this.toDomElement(t)}toDomElement(t){const e=t.createElement(this.name);for(const t of this.getAttributeKeys())e.setAttribute(t,this.getAttribute(t));return e}}function Eo(){return null}class Po extends Rn{constructor(t,e,n,o){super(t,e,n,o),this.getFillerOffset=Mo}is(t,e=null){return e?e===this.name&&("rawElement"===t||"view:rawElement"===t||"element"===t||"view:element"===t):"rawElement"===t||"view:rawElement"===t||t===this.name||t==="view:"+this.name||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof Ue||Array.from(e).length>0))throw new xe.a("view-rawelement-cannot-add",[this,e])}}function Mo(){return null}class Io{constructor(t,e){this.document=t,this._children=[],e&&this._insertChild(0,e)}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"===t||"view:documentFragment"===t}_appendChild(t){return this._insertChild(this.childCount,t)}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}_insertChild(t,e){this._fireChange("children",this);let n=0;const o=function(t,e){return"string"==typeof e?[new qe(t,e)]:(Oe(e)||(e=[e]),Array.from(e).map((e=>"string"==typeof e?new qe(t,e):e instanceof We?new qe(t,e.data):e)))}(this.document,e);for(const e of o)null!==e.parent&&e._remove(),e.parent=this,this._children.splice(t,0,e),t++,n++;return n}_removeChildren(t,e=1){this._fireChange("children",this);for(let n=t;n<t+e;n++)this._children[n].parent=null;return this._children.splice(t,e)}_fireChange(t,e){this.fire("change:"+t,e)}}Re(Io,Te);class No{constructor(t){this.document=t,this._cloneGroups=new Map}setSelection(t,e,n){this.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this.document.selection._setFocus(t,e)}createText(t){return new qe(this.document,t)}createAttributeElement(t,e,n={}){const o=new so(this.document,t,e);return n.priority&&(o._priority=n.priority),n.id&&(o._id=n.id),o}createContainerElement(t,e){return new Ln(this.document,t,e)}createEditableElement(t,e){const n=new Kn(this.document,t,e);return n._document=this.document,n}createEmptyElement(t,e){return new co(this.document,t,e)}createUIElement(t,e,n){const o=new So(this.document,t,e);return n&&(o.render=n),o}createRawElement(t,e,n){const o=new Po(this.document,t,e);return o.render=n||(()=>{}),o}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){_(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}breakAttributes(t){return t instanceof Xn?this._breakAttributes(t):this._breakAttributesRange(t)}breakContainer(t){const e=t.parent;if(!e.is("containerElement"))throw new xe.a("view-writer-break-non-container-element",this.document);if(!e.parent)throw new xe.a("view-writer-break-root",this.document);if(t.isAtStart)return Xn._createBefore(e);if(!t.isAtEnd){const n=e._clone(!1);this.insert(Xn._createAfter(e),n);const o=new to(t,Xn._createAt(e,"end")),i=new Xn(n,0);this.move(o,i)}return Xn._createAfter(e)}mergeAttributes(t){const e=t.offset,n=t.parent;if(n.is("$text"))return t;if(n.is("attributeElement")&&0===n.childCount){const t=n.parent,e=n.index;return n._remove(),this._removeFromClonedElementsGroup(n),this.mergeAttributes(new Xn(t,e))}const o=n.getChild(e-1),i=n.getChild(e);if(!o||!i)return t;if(o.is("$text")&&i.is("$text"))return zo(o,i);if(o.is("attributeElement")&&i.is("attributeElement")&&o.isSimilar(i)){const t=o.childCount;return o._appendChild(i.getChildren()),i._remove(),this._removeFromClonedElementsGroup(i),this.mergeAttributes(new Xn(o,t))}return t}mergeContainers(t){const e=t.nodeBefore,n=t.nodeAfter;if(!(e&&n&&e.is("containerElement")&&n.is("containerElement")))throw new xe.a("view-writer-merge-containers-invalid-position",this.document);const o=e.getChild(e.childCount-1),i=o instanceof qe?Xn._createAt(o,"end"):Xn._createAt(e,"end");return this.move(to._createIn(n),Xn._createAt(e,"end")),this.remove(to._createOn(n)),i}insert(t,e){!function t(e,n){for(const o of e){if(!Vo.some((t=>o instanceof t)))throw new xe.a("view-writer-insert-invalid-node-type",n);o.is("$text")||t(o.getChildren(),n)}}(e=Oe(e)?[...e]:[e],this.document);const n=Oo(t);if(!n)throw new xe.a("view-writer-invalid-position-container",this.document);const o=this._breakAttributes(t,!0),i=n._insertChild(o.offset,e);for(const t of e)this._addToClonedElementsGroup(t);const r=o.getShiftedBy(i),s=this.mergeAttributes(o);if(0===i)return new to(s,s);{s.isEqual(o)||r.offset--;const t=this.mergeAttributes(r);return new to(s,t)}}remove(t){const e=t instanceof to?t:to._createOn(t);if(Bo(e,this.document),e.isCollapsed)return new Io(this.document);const{start:n,end:o}=this._breakAttributesRange(e,!0),i=n.parent,r=o.offset-n.offset,s=i._removeChildren(n.offset,r);for(const t of s)this._removeFromClonedElementsGroup(t);const a=this.mergeAttributes(n);return e.start=a,e.end=a.clone(),new Io(this.document,s)}clear(t,e){Bo(t,this.document);const n=t.getWalker({direction:"backward",ignoreElementEnd:!0});for(const o of n){const n=o.item;let i;if(n.is("element")&&e.isSimilar(n))i=to._createOn(n);else if(!o.nextPosition.isAfter(t.start)&&n.is("$textProxy")){const t=n.getAncestors().find((t=>t.is("element")&&e.isSimilar(t)));t&&(i=to._createIn(t))}i&&(i.end.isAfter(t.end)&&(i.end=t.end),i.start.isBefore(t.start)&&(i.start=t.start),this.remove(i))}}move(t,e){let n;if(e.isAfter(t.end)){const o=(e=this._breakAttributes(e,!0)).parent,i=o.childCount;t=this._breakAttributesRange(t,!0),n=this.remove(t),e.offset+=o.childCount-i}else n=this.remove(t);return this.insert(e,n)}wrap(t,e){if(!(e instanceof so))throw new xe.a("view-writer-wrap-invalid-attribute",this.document);if(Bo(t,this.document),t.isCollapsed){let 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Xn._createAt(t,e)}createPositionAfter(t){return Xn._createAfter(t)}createPositionBefore(t){return Xn._createBefore(t)}createRange(t,e){return new to(t,e)}createRangeOn(t){return to._createOn(t)}createRangeIn(t){return to._createIn(t)}createSelection(t,e,n){return new oo(t,e,n)}_wrapChildren(t,e,n,o){let i=e;const r=[];for(;i<n;){const e=t.getChild(i),n=e.is("$text"),s=e.is("attributeElement"),a=e.is("emptyElement"),l=e.is("uiElement"),c=e.is("rawElement");if(s&&this._wrapAttributeElement(o,e))r.push(new Xn(t,i));else if(n||a||l||c||s&&Ro(o,e)){const n=o._clone();e._remove(),n._appendChild(e),t._insertChild(i,n),this._addToClonedElementsGroup(n),r.push(new Xn(t,i))}else s&&this._wrapChildren(e,0,e.childCount,o);i++}let s=0;for(const t of r)t.offset-=s,t.offset!=e&&(this.mergeAttributes(t).isEqual(t)||(s++,n--));return to._createFromParentsAndOffsets(t,e,t,n)}_unwrapChildren(t,e,n,o){let i=e;const r=[];for(;i<n;){const e=t.getChild(i);if(e.is("attributeElement"))if(e.isSimilar(o)){const 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of this.markedChildren)this._updateChildren(e,{inlineFillerPosition:t});for(const e of this.markedTexts)!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)&&this._updateText(e,{inlineFillerPosition:t});if(t){const e=this.domConverter.viewPositionToDom(t),n=e.parent.ownerDocument;$o(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=ii(n,e.parent,e.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=this.domConverter.mapViewToDom(t).childNodes,o=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:!1})),i=this._diffNodeLists(n,o),r=this._findReplaceActions(i,n,o);if(-1!==r.indexOf("replace")){const e={equal:0,insert:0,delete:0};for(const i of r)if("replace"===i){const 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xe.a("view-renderer-filler-was-lost",this);Yo(t)?t.parentNode.removeChild(t):t.data=t.data.substr(7),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=t.parent,n=t.offset;if(!this.domConverter.mapViewToDom(e.root))return!1;if(!e.is("element"))return!1;if(!function(t){if("false"==t.getAttribute("contenteditable"))return!1;const e=t.findAncestor((t=>t.hasAttribute("contenteditable")));return!e||"true"==e.getAttribute("contenteditable")}(e))return!1;if(n===e.getFillerOffset())return!1;const o=t.nodeBefore,i=t.nodeAfter;return!(o instanceof qe||i instanceof qe)}_updateText(t,e){const n=this.domConverter.findCorrespondingDomText(t),o=this.domConverter.viewToDom(t,n.ownerDocument),i=n.data;let r=o.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index&&(r=Wo+r),i!=r){const t=Qo(i,r);for(const e of 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l)t.parentNode||this.domConverter.unbindDomElement(t)}_diffNodeLists(t,e){return Xo(t=function(t,e){const n=Array.from(t);return 0!=n.length&&e?(n[n.length-1]==e&&n.pop(),n):n}(t,this._fakeSelectionContainer),e,si.bind(null,this.domConverter))}_findReplaceActions(t,e,n){if(-1===t.indexOf("insert")||-1===t.indexOf("delete"))return t;let o=[],i=[],r=[];const s={equal:0,insert:0,delete:0};for(const a of t)"insert"===a?r.push(n[s.equal+s.insert]):"delete"===a?i.push(e[s.equal+s.delete]):(o=o.concat(Xo(i,r,ri).map((t=>"equal"===t?"replace":t))),o.push("equal"),i=[],r=[]),s[a]++;return o.concat(Xo(i,r,ri).map((t=>"equal"===t?"replace":t)))}_markDescendantTextToSync(t){if(t)if(t.is("$text"))this.markedTexts.add(t);else if(t.is("element"))for(const e of t.getChildren())this._markDescendantTextToSync(e)}_updateSelection(){if(0===this.selection.rangeCount)return this._removeDomSelection(),void this._removeFakeSelection();const t=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&t&&(this.selection.isFake?this._updateFakeSelection(t):(this._removeFakeSelection(),this._updateDomSelection(t)))}_updateFakeSelection(t){const e=t.ownerDocument;this._fakeSelectionContainer||(this._fakeSelectionContainer=function(t){const e=t.createElement("div");return Object.assign(e.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),e.textContent=" ",e}(e));const n=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(n,this.selection),!this._fakeSelectionNeedsUpdate(t))return;n.parentElement&&n.parentElement==t||t.appendChild(n),n.textContent=this.selection.fakeSelectionLabel||" ";const o=e.getSelection(),i=e.createRange();o.removeAllRanges(),i.selectNodeContents(n),o.addRange(i)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e))return;const n=this.domConverter.viewPositionToDom(this.selection.anchor),o=this.domConverter.viewPositionToDom(this.selection.focus);t.focus(),e.collapse(n.parent,n.offset),e.extend(o.parent,o.offset),mo&&function(t,e){const n=t.parent;if(n.nodeType!=Node.ELEMENT_NODE||t.offset!=n.childNodes.length-1)return;const o=n.childNodes[t.offset];o&&"BR"==o.tagName&&e.addRange(e.getRangeAt(0))}(o,e)}_domSelectionNeedsUpdate(t){if(!this.domConverter.isDomSelectionCorrect(t))return!0;const e=t&&this.domConverter.domSelectionToView(t);return!(e&&this.selection.isEqual(e)||!this.selection.isCollapsed&&this.selection.isSimilar(e))}_fakeSelectionNeedsUpdate(t){const e=this._fakeSelectionContainer,n=t.ownerDocument.getSelection();return!e||e.parentElement!==t||n.anchorNode!==e&&!e.contains(n.anchorNode)||e.textContent!==this.selection.fakeSelectionLabel}_removeDomSelection(){for(const t of this.domDocuments)if(t.getSelection().rangeCount){const e=t.activeElement,n=this.domConverter.mapDomToView(e);e&&n&&t.getSelection().removeAllRanges()}}_removeFakeSelection(){const t=this._fakeSelectionContainer;t&&t.remove()}_updateFocus(){if(this.isFocused){const t=this.selection.editableElement;t&&this.domConverter.focus(t)}}}function ii(t,e,n){const o=e instanceof Array?e:e.childNodes,i=o[n];if(Ho(i))return i.data=Wo+i.data,i;{const i=t.createTextNode(Wo);return Array.isArray(e)?o.splice(n,0,i):ti(e,n,i),i}}function ri(t,e){return ni(t)&&ni(e)&&!Ho(t)&&!Ho(e)&&t.nodeType!==Node.COMMENT_NODE&&e.nodeType!==Node.COMMENT_NODE&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}function si(t,e,n){return e===n||(Ho(e)&&Ho(n)?e.data===n.data:!(!t.isBlockFiller(e)||!t.isBlockFiller(n)))}Re(oi,Un);var ai={window:window,document:document};function li(t){let e=0;for(;t.previousSibling;)t=t.previousSibling,e++;return e}function ci(t){const e=[];for(;t&&t.nodeType!=Node.DOCUMENT_NODE;)e.unshift(t),t=t.parentNode;return e}const di=qo(document);class 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o,i,r,s,a,l,c=0,d=!1,u=!1,h=!0;if("function"!=typeof t)throw new TypeError("Expected a function");function f(e){var n=o,r=i;return o=i=void 0,c=e,s=t.apply(r,n)}function m(t){return c=t,a=setTimeout(p,e),d?f(t):s}function g(t){var n=t-l;return void 0===l||n>=e||n<0||u&&t-c>=r}function p(){var t=Vi();if(g(t))return b(t);a=setTimeout(p,function(t){var n=e-(t-l);return u?$i(n,r-(t-c)):n}(t))}function b(t){return a=void 0,h&&o?f(t):(o=i=void 0,s)}function w(){var t=Vi(),n=g(t);if(o=arguments,i=this,l=t,n){if(void 0===a)return m(l);if(u)return clearTimeout(a),a=setTimeout(p,e),f(l)}return void 0===a&&(a=setTimeout(p,e)),s}return e=qi(e)||0,S(n)&&(d=!!n.leading,r=(u="maxWait"in n)?Wi(qi(n.maxWait)||0,e):r,h="trailing"in n?!!n.trailing:h),w.cancel=function(){void 0!==a&&clearTimeout(a),c=0,o=l=i=a=void 0},w.flush=function(){return void 0===a?s:b(Vi())},w};class Gi extends ki{constructor(t){super(t),this._fireSelectionChangeDoneDebounced=Yi((t=>this.document.fire("selectionChangeDone",t)),200)}observe(){const t=this.document;t.on("keydown",((e,n)=>{t.selection.isFake&&xo(n.keyCode)&&this.isEnabled&&(n.preventDefault(),this._handleSelectionMove(n.keyCode))}),{priority:"lowest"})}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(t){const e=this.document.selection,n=new oo(e.getRanges(),{backward:e.isBackward,fake:!1});t!=ko.arrowleft&&t!=ko.arrowup||n.setTo(n.getFirstPosition()),t!=ko.arrowright&&t!=ko.arrowdown||n.setTo(n.getLastPosition());const o={oldSelection:e,newSelection:n,domSelection:null};this.document.fire("selectionChange",o),this._fireSelectionChangeDoneDebounced(o)}}class Ki extends ki{constructor(t){super(t),this.mutationObserver=t.getObserver(Ri),this.selection=this.document.selection,this.domConverter=t.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=Yi((t=>this.document.fire("selectionChangeDone",t)),200),this._clearInfiniteLoopInterval=setInterval((()=>this._clearInfiniteLoop()),1e3),this._loopbackCounter=0}observe(t){const e=t.ownerDocument;this._documents.has(e)||(this.listenTo(e,"selectionchange",((t,n)=>{this._handleSelectionChange(n,e)})),this._documents.add(e))}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(t,e){if(!this.isEnabled)return;const n=e.defaultView.getSelection();if(this.checkShouldIgnoreEventFromTarget(n.anchorNode))return;this.mutationObserver.flush();const o=this.domConverter.domSelectionToView(n);if(0!=o.rangeCount){if(this.view.hasDomSelection=!0,!(this.selection.isEqual(o)&&this.domConverter.isDomSelectionCorrect(n)||++this._loopbackCounter>60))if(this.selection.isSimilar(o))this.view.forceRender();else{const t={oldSelection:this.selection,newSelection:o,domSelection:n};this.document.fire("selectionChange",t),this._fireSelectionChangeDoneDebounced(t)}}else this.view.hasDomSelection=!1}_clearInfiniteLoop(){this._loopbackCounter=0}}class Qi extends Li{constructor(t){super(t),this.domEventType=["focus","blur"],this.useCapture=!0;const e=this.document;e.on("focus",(()=>{e.isFocused=!0,this._renderTimeoutId=setTimeout((()=>t.forceRender()),50)})),e.on("blur",((n,o)=>{const i=e.selection.editableElement;null!==i&&i!==o.target||(e.isFocused=!1,t.forceRender())}))}onDomEvent(t){this.fire(t.type,t)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class Ji extends Li{constructor(t){super(t),this.domEventType=["compositionstart","compositionupdate","compositionend"];const e=this.document;e.on("compositionstart",(()=>{e.isComposing=!0})),e.on("compositionend",(()=>{e.isComposing=!1}))}onDomEvent(t){this.fire(t.type,t)}}class Zi extends Li{constructor(t){super(t),this.domEventType=["beforeinput"]}onDomEvent(t){this.fire(t.type,t)}}function Xi(t){return"[object Range]"==Object.prototype.toString.apply(t)}function tr(t){const e=t.ownerDocument.defaultView.getComputedStyle(t);return{top:parseInt(e.borderTopWidth,10),right:parseInt(e.borderRightWidth,10),bottom:parseInt(e.borderBottomWidth,10),left:parseInt(e.borderLeftWidth,10)}}const er=["top","right","bottom","left","width","height"];class nr{constructor(t){const e=Xi(t);if(Object.defineProperty(this,"_source",{value:t._source||t,writable:!0,enumerable:!1}),ge(t)||e)if(e){const e=nr.getDomRangeRects(t);or(this,nr.getBoundingRect(e))}else or(this,t.getBoundingClientRect());else if(gi(t)){const{innerWidth:e,innerHeight:n}=t;or(this,{top:0,right:e,bottom:n,left:0,width:e,height:n})}else or(this,t)}clone(){return new nr(this)}moveTo(t,e){return this.top=e,this.right=t+this.width,this.bottom=e+this.height,this.left=t,this}moveBy(t,e){return this.top+=e,this.right+=t,this.left+=t,this.bottom+=e,this}getIntersection(t){const e={top:Math.max(this.top,t.top),right:Math.min(this.right,t.right),bottom:Math.min(this.bottom,t.bottom),left:Math.max(this.left,t.left)};return e.width=e.right-e.left,e.height=e.bottom-e.top,e.width<0||e.height<0?null:new nr(e)}getIntersectionArea(t){const e=this.getIntersection(t);return e?e.getArea():0}getArea(){return this.width*this.height}getVisible(){const t=this._source;let e=this.clone();if(!ir(t)){let n=t.parentNode||t.commonAncestorContainer;for(;n&&!ir(n);){const t=new nr(n),o=e.getIntersection(t);if(!o)return null;o.getArea()<e.getArea()&&(e=o),n=n.parentNode}}return e}isEqual(t){for(const e of er)if(this[e]!==t[e])return!1;return!0}contains(t){const e=this.getIntersection(t);return!(!e||!e.isEqual(t))}excludeScrollbarsAndBorders(){const t=this._source;let e,n,o;if(gi(t))e=t.innerWidth-t.document.documentElement.clientWidth,n=t.innerHeight-t.document.documentElement.clientHeight,o=t.getComputedStyle(t.document.documentElement).direction;else{const i=tr(this._source);e=t.offsetWidth-t.clientWidth-i.left-i.right,n=t.offsetHeight-t.clientHeight-i.top-i.bottom,o=t.ownerDocument.defaultView.getComputedStyle(t).direction,this.left+=i.left,this.top+=i.top,this.right-=i.right,this.bottom-=i.bottom,this.width=this.right-this.left,this.height=this.bottom-this.top}return this.width-=e,"ltr"===o?this.right-=e:this.left+=e,this.height-=n,this.bottom-=n,this}static getDomRangeRects(t){const e=[],n=Array.from(t.getClientRects());if(n.length)for(const t of n)e.push(new nr(t));else{let n=t.startContainer;Ho(n)&&(n=n.parentNode);const o=new nr(n.getBoundingClientRect());o.right=o.left,o.width=0,e.push(o)}return e}static getBoundingRect(t){const e={left:Number.POSITIVE_INFINITY,top:Number.POSITIVE_INFINITY,right:Number.NEGATIVE_INFINITY,bottom:Number.NEGATIVE_INFINITY};let n=0;for(const o of t)n++,e.left=Math.min(e.left,o.left),e.top=Math.min(e.top,o.top),e.right=Math.max(e.right,o.right),e.bottom=Math.max(e.bottom,o.bottom);return 0==n?null:(e.width=e.right-e.left,e.height=e.bottom-e.top,new nr(e))}}function or(t,e){for(const n of er)t[n]=e[n]}function ir(t){return!!ge(t)&&t===t.ownerDocument.body}function rr({target:t,viewportOffset:e=0}){const n=hr(t);let o=n,i=null;for(;o;){let r;r=fr(o==n?t:i),ar(r,(()=>mr(t,o)));const s=mr(t,o);if(sr(o,s,e),o.parent!=o){if(i=o.frameElement,o=o.parent,!i)return}else o=null}}function sr(t,e,n){const o=e.clone().moveBy(0,n),i=e.clone().moveBy(0,-n),r=new nr(t).excludeScrollbarsAndBorders();if(![i,o].every((t=>r.contains(t)))){let{scrollX:s,scrollY:a}=t;cr(i,r)?a-=r.top-e.top+n:lr(o,r)&&(a+=e.bottom-r.bottom+n),dr(e,r)?s-=r.left-e.left+n:ur(e,r)&&(s+=e.right-r.right+n),t.scrollTo(s,a)}}function ar(t,e){const n=hr(t);let o,i;for(;t!=n.document.body;)i=e(),o=new nr(t).excludeScrollbarsAndBorders(),o.contains(i)||(cr(i,o)?t.scrollTop-=o.top-i.top:lr(i,o)&&(t.scrollTop+=i.bottom-o.bottom),dr(i,o)?t.scrollLeft-=o.left-i.left:ur(i,o)&&(t.scrollLeft+=i.right-o.right)),t=t.parentNode}function lr(t,e){return t.bottom>e.bottom}function cr(t,e){return t.top<e.top}function dr(t,e){return t.left<e.left}function ur(t,e){return t.right>e.right}function hr(t){return Xi(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function fr(t){if(Xi(t)){let e=t.commonAncestorContainer;return Ho(e)&&(e=e.parentNode),e}return t.parentNode}function mr(t,e){const n=hr(t),o=new nr(t);if(n===e)return o;{let t=n;for(;t!=e;){const e=t.frameElement,n=new nr(e).excludeScrollbarsAndBorders();o.moveBy(n.left,n.top),t=t.parent}}return o}Object.assign({},{scrollViewportToShowTarget:rr,scrollAncestorsToShowTarget:function(t){ar(fr(t),(()=>new nr(t)))}});class gr{constructor(t){this.document=new ro(t),this.domConverter=new ui(this.document),this.domRoots=new Map,this.set("isRenderingInProgress",!1),this.set("hasDomSelection",!1),this._renderer=new oi(this.domConverter,this.document.selection),this._renderer.bind("isFocused").to(this.document),this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this._writer=new No(this.document),this.addObserver(Ri),this.addObserver(Ki),this.addObserver(Qi),this.addObserver(zi),this.addObserver(Gi),this.addObserver(Ji),po&&this.addObserver(Zi),this.document.on("keydown",Ko),function(t){t.document.on("keydown",((e,n)=>function(t,e,n){if(e.keyCode==ko.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection(),o=1==t.rangeCount&&t.getRangeAt(0).collapsed;if(o||e.shiftKey){const e=t.focusNode,i=t.focusOffset,r=n.domPositionToView(e,i);if(null===r)return;let s=!1;const a=r.getLastMatchingPosition((t=>(t.item.is("uiElement")&&(s=!0),!(!t.item.is("uiElement")&&!t.item.is("attributeElement")))));if(s){const e=n.viewPositionToDom(a);o?t.collapse(e.parent,e.offset):t.extend(e.parent,e.offset)}}}}(0,n,t.domConverter)))}(this),this.on("render",(()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1})),this.listenTo(this.document.selection,"change",(()=>{this._hasChangedSinceTheLastRendering=!0}))}attachDomRoot(t,e="main"){const n=this.document.getRoot(e);n._name=t.tagName.toLowerCase();const o={};for(const{name:e,value:i}of Array.from(t.attributes))o[e]=i,"class"===e?this._writer.addClass(i.split(" "),n):this._writer.setAttribute(e,i,n);this._initialDomRootAttributes.set(t,o);const i=()=>{this._writer.setAttribute("contenteditable",!n.isReadOnly,n),n.isReadOnly?this._writer.addClass("ck-read-only",n):this._writer.removeClass("ck-read-only",n)};i(),this.domRoots.set(e,t),this.domConverter.bindElements(t,n),this._renderer.markToSync("children",n),this._renderer.markToSync("attributes",n),this._renderer.domDocuments.add(t.ownerDocument),n.on("change:children",((t,e)=>this._renderer.markToSync("children",e))),n.on("change:attributes",((t,e)=>this._renderer.markToSync("attributes",e))),n.on("change:text",((t,e)=>this._renderer.markToSync("text",e))),n.on("change:isReadOnly",(()=>this.change(i))),n.on("change",(()=>{this._hasChangedSinceTheLastRendering=!0}));for(const n of this._observers.values())n.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach((({name:t})=>e.removeAttribute(t)));const n=this._initialDomRootAttributes.get(e);for(const t in n)e.setAttribute(t,n[t]);this.domRoots.delete(t),this.domConverter.unbindDomElement(e)}getDomRoot(t="main"){return this.domRoots.get(t)}addObserver(t){let e=this._observers.get(t);if(e)return e;e=new t(this),this._observers.set(t,e);for(const[t,n]of this.domRoots)e.observe(n,t);return e.enable(),e}getObserver(t){return this._observers.get(t)}disableObservers(){for(const t of this._observers.values())t.disable()}enableObservers(){for(const t of this._observers.values())t.enable()}scrollToTheSelection(){const t=this.document.selection.getFirstRange();t&&rr({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;t&&(this.domConverter.focus(t),this.forceRender())}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress)throw new xe.a("cannot-change-view-tree",this);try{if(this._ongoingChange)return t(this._writer);this._ongoingChange=!0;const e=t(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),e}catch(t){xe.a.rethrowUnexpectedError(t,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change((()=>{}))}destroy(){for(const t of this._observers.values())t.destroy();this.document.destroy(),this.stopListening()}createPositionAt(t,e){return Xn._createAt(t,e)}createPositionAfter(t){return Xn._createAfter(t)}createPositionBefore(t){return Xn._createBefore(t)}createRange(t,e){return new to(t,e)}createRangeOn(t){return to._createOn(t)}createRangeIn(t){return to._createIn(t)}createSelection(t,e,n){return new oo(t,e,n)}_disableRendering(t){this._renderingDisabled=t,0==t&&this.change((()=>{}))}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}Re(gr,Un);class pr{constructor(t){this.parent=null,this._attrs=$e(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new xe.a("model-node-not-found-in-parent",this);return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new xe.a("model-node-not-found-in-parent",this);return t}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}isAttached(){return this.root.is("rootElement")}getPath(){const t=[];let e=this;for(;e.parent;)t.unshift(e.startOffset),e=e.parent;return t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e),o=t.getAncestors(e);let i=0;for(;n[i]==o[i]&&n[i];)i++;return 0===i?null:n[i-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),n=t.getPath(),o=Fe(e,n);switch(o){case"prefix":return!0;case"extension":return!1;default:return e[o]<n[o]}}isAfter(t){return this!=t&&this.root===t.root&&!this.isBefore(t)}hasAttribute(t){return this._attrs.has(t)}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const t={};return this._attrs.size&&(t.attributes=Array.from(this._attrs).reduce(((t,e)=>(t[e[0]]=e[1],t)),{})),t}is(t){return"node"===t||"model:node"===t}_clone(){return new pr(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=$e(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class br extends pr{constructor(t,e){super(e),this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return"$text"===t||"model:$text"===t||"text"===t||"model:text"===t||"node"===t||"model:node"===t}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new br(this.data,this.getAttributes())}static fromJSON(t){return new br(t.data,t.attributes)}}class wr{constructor(t,e,n){if(this.textNode=t,e<0||e>t.offsetSize)throw new xe.a("model-textproxy-wrong-offsetintext",this);if(n<0||e+n>t.offsetSize)throw new xe.a("model-textproxy-wrong-length",this);this.data=t.data.substring(e,e+n),this.offsetInText=e}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}is(t){return"$textProxy"===t||"model:$textProxy"===t||"textProxy"===t||"model:textProxy"===t}getPath(){const t=this.textNode.getPath();return t.length>0&&(t[t.length-1]+=this.offsetInText),t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}hasAttribute(t){return this.textNode.hasAttribute(t)}getAttribute(t){return this.textNode.getAttribute(t)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class kr{constructor(t){this._nodes=[],t&&this._insertNodes(0,t)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce(((t,e)=>t+e.offsetSize),0)}getNode(t){return this._nodes[t]||null}getNodeIndex(t){const e=this._nodes.indexOf(t);return-1==e?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return null===e?null:this._nodes.slice(0,e).reduce(((t,e)=>t+e.offsetSize),0)}indexToOffset(t){if(t==this._nodes.length)return this.maxOffset;const e=this._nodes[t];if(!e)throw new xe.a("model-nodelist-index-out-of-bounds",this);return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const n of this._nodes){if(t>=e&&t<e+n.offsetSize)return this.getNodeIndex(n);e+=n.offsetSize}if(e!=t)throw new xe.a("model-nodelist-offset-out-of-bounds",this,{offset:t,nodeList:this});return this.length}_insertNodes(t,e){for(const t of e)if(!(t instanceof pr))throw new xe.a("model-nodelist-insertnodes-not-node",this);this._nodes.splice(t,0,...e)}_removeNodes(t,e=1){return this._nodes.splice(t,e)}toJSON(){return this._nodes.map((t=>t.toJSON()))}}class _r extends pr{constructor(t,e,n){super(e),this.name=t,this._children=new kr,n&&this._insertChild(0,n)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(t,e=null){return e?e===this.name&&("element"===t||"model:element"===t):"element"===t||"model:element"===t||"node"===t||"model:node"===t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}findAncestor(t,e={includeSelf:!1}){let n=e.includeSelf?this:this.parent;for(;n;){if(n.name===t)return n;n=n.parent}return null}toJSON(){const t=super.toJSON();if(t.name=this.name,this._children.length>0){t.children=[];for(const e of this._children)t.children.push(e.toJSON())}return t}_clone(t=!1){const e=t?Array.from(this._children).map((t=>t._clone(!0))):null;return new _r(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){return"string"==typeof t?[new br(t)]:(Oe(t)||(t=[t]),Array.from(t).map((t=>"string"==typeof t?new br(t):t instanceof wr?new br(t.data,t.getAttributes()):t)))}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}static fromJSON(t){let e=null;if(t.children){e=[];for(const n of t.children)n.name?e.push(_r.fromJSON(n)):e.push(br.fromJSON(n))}return new _r(t.name,t.attributes,e)}}class vr{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new xe.a("model-tree-walker-no-start-position",null);const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new xe.a("model-tree-walker-unknown-direction",t,{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=xr._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(t){let e,n,o,i;do{o=this.position,i=this._visitedParent,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=o,this._visitedParent=i)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&e.offset===n.maxOffset)return{done:!0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const o=e.parent,i=Ar(e,o),r=i||Cr(e,o,i);if(r instanceof _r)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=r),this.position=e,yr("elementStart",r,t,e,1);if(r instanceof br){let o;if(this.singleCharacters)o=1;else{let t=r.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),o=t-e.offset}const i=e.offset-r.startOffset,s=new wr(r,i,o);return e.offset+=o,this.position=e,yr("text",s,t,e,o)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():yr("elementEnd",n,t,e)}_previous(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&0===e.offset)return{done:!0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};const o=e.parent,i=Ar(e,o),r=i||Tr(e,o,i);if(r instanceof _r)return e.offset--,this.shallow?(this.position=e,yr("elementStart",r,t,e,1)):(e.path.push(r.maxOffset),this.position=e,this._visitedParent=r,this.ignoreElementEnd?this._previous():yr("elementEnd",r,t,e));if(r instanceof br){let o;if(this.singleCharacters)o=1;else{let t=r.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),o=e.offset-t}const i=e.offset-r.startOffset,s=new wr(r,i-o,o);return e.offset-=o,this.position=e,yr("text",s,t,e,o)}return e.path.pop(),this.position=e,this._visitedParent=n.parent,yr("elementStart",n,t,e,1)}}function yr(t,e,n,o,i){return{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:o,length:i}}}class xr{constructor(t,e,n="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new xe.a("model-position-root-invalid",t);if(!(e instanceof Array)||0===e.length)throw new xe.a("model-position-path-incorrect-format",t,{path:e});t.is("rootElement")?e=e.slice():(e=[...t.getPath(),...e],t=t.root),this.root=t,this.path=e,this.stickiness=n}get offset(){return this.path[this.path.length-1]}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;e<this.path.length-1;e++)if(t=t.getChild(t.offsetToIndex(this.path[e])),!t)throw new xe.a("model-position-path-incorrect",this,{position:this});if(t.is("$text"))throw new xe.a("model-position-path-incorrect",this,{position:this});return t}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){return Ar(this,this.parent)}get nodeAfter(){const t=this.parent;return Cr(this,t,Ar(this,t))}get nodeBefore(){const t=this.parent;return Tr(this,t,Ar(this,t))}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(t){if(this.root!=t.root)return"different";const e=Fe(this.path,t.path);switch(e){case"same":return"same";case"prefix":return"before";case"extension":return"after";default:return this.path[e]<t.path[e]?"before":"after"}}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new vr(e);return n.skip(t),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){const t=this.parent;return t.is("documentFragment")?[t]:t.getAncestors({includeSelf:!0})}findAncestor(t){const e=this.parent;return e.is("element")?e.findAncestor(t,{includeSelf:!0}):null}getCommonPath(t){if(this.root!=t.root)return[];const e=Fe(this.path,t.path),n="string"==typeof e?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,n)}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let o=0;for(;e[o]==n[o]&&e[o];)o++;return 0===o?null:e[o-1]}getShiftedBy(t){const e=this.clone(),n=e.offset+t;return e.offset=n<0?0:n,e}isAfter(t){return"after"==this.compareWith(t)}isBefore(t){return"before"==this.compareWith(t)}isEqual(t){return"same"==this.compareWith(t)}isTouching(t){let e=null,n=null;switch(this.compareWith(t)){case"same":return!0;case"before":e=xr._createAt(this),n=xr._createAt(t);break;case"after":e=xr._createAt(t),n=xr._createAt(this);break;default:return!1}let o=e.parent;for(;e.path.length+n.path.length;){if(e.isEqual(n))return!0;if(e.path.length>n.path.length){if(e.offset!==o.maxOffset)return!1;e.path=e.path.slice(0,-1),o=o.parent,e.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}is(t){return"position"===t||"model:position"===t}hasSameParentAs(t){return this.root===t.root&&"same"==Fe(this.getParentPath(),t.getParentPath())}getTransformedByOperation(t){let e;switch(t.type){case"insert":e=this._getTransformedByInsertOperation(t);break;case"move":case"remove":case"reinsert":e=this._getTransformedByMoveOperation(t);break;case"split":e=this._getTransformedBySplitOperation(t);break;case"merge":e=this._getTransformedByMergeOperation(t);break;default:e=xr._createAt(this)}return e}_getTransformedByInsertOperation(t){return this._getTransformedByInsertion(t.position,t.howMany)}_getTransformedByMoveOperation(t){return this._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany)}_getTransformedBySplitOperation(t){const e=t.movedRange;return e.containsPosition(this)||e.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(t.splitPosition,t.moveTargetPosition):t.graveyardPosition?this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1):this._getTransformedByInsertion(t.insertionPosition,1)}_getTransformedByMergeOperation(t){const e=t.movedRange;let n;return e.containsPosition(this)||e.start.isEqual(this)?(n=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(n=n._getTransformedByDeletion(t.deletionPosition,1))):n=this.isEqual(t.deletionPosition)?xr._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),n}_getTransformedByDeletion(t,e){const n=xr._createAt(this);if(this.root!=t.root)return n;if("same"==Fe(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;n.offset-=e}}else if("prefix"==Fe(t.getParentPath(),this.getParentPath())){const o=t.path.length-1;if(t.offset<=this.path[o]){if(t.offset+e>this.path[o])return null;n.path[o]-=e}}return n}_getTransformedByInsertion(t,e){const n=xr._createAt(this);if(this.root!=t.root)return n;if("same"==Fe(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&"toPrevious"!=this.stickiness)&&(n.offset+=e);else if("prefix"==Fe(t.getParentPath(),this.getParentPath())){const o=t.path.length-1;t.offset<=this.path[o]&&(n.path[o]+=e)}return n}_getTransformedByMove(t,e,n){if(e=e._getTransformedByDeletion(t,n),t.isEqual(e))return xr._createAt(this);const o=this._getTransformedByDeletion(t,n);return null===o||t.isEqual(this)&&"toNext"==this.stickiness||t.getShiftedBy(n).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(t,e):o._getTransformedByInsertion(e,n)}_getCombined(t,e){const n=t.path.length-1,o=xr._createAt(e);return o.stickiness=this.stickiness,o.offset=o.offset+this.path[n]-t.offset,o.path=[...o.path,...this.path.slice(n+1)],o}toJSON(){return{root:this.root.toJSON(),path:Array.from(this.path),stickiness:this.stickiness}}clone(){return new this.constructor(this.root,this.path,this.stickiness)}static _createAt(t,e,n="toNone"){if(t instanceof xr)return new xr(t.root,t.path,t.stickiness);{const o=t;if("end"==e)e=o.maxOffset;else{if("before"==e)return this._createBefore(o,n);if("after"==e)return this._createAfter(o,n);if(0!==e&&!e)throw new xe.a("model-createpositionat-offset-required",[this,t])}if(!o.is("element")&&!o.is("documentFragment"))throw new xe.a("model-position-parent-incorrect",[this,t]);const i=o.getPath();return i.push(e),new this(o.root,i,n)}}static _createAfter(t,e){if(!t.parent)throw new xe.a("model-position-after-root",[this,t],{root:t});return this._createAt(t.parent,t.endOffset,e)}static _createBefore(t,e){if(!t.parent)throw new xe.a("model-position-before-root",t,{root:t});return this._createAt(t.parent,t.startOffset,e)}static fromJSON(t,e){if("$graveyard"===t.root){const n=new xr(e.graveyard,t.path);return n.stickiness=t.stickiness,n}if(!e.getRoot(t.root))throw new xe.a("model-position-fromjson-no-root",e,{rootName:t.root});return new xr(e.getRoot(t.root),t.path,t.stickiness)}}function Ar(t,e){const n=e.getChild(e.offsetToIndex(t.offset));return n&&n.is("$text")&&n.startOffset<t.offset?n:null}function Cr(t,e,n){return null!==n?null:e.getChild(e.offsetToIndex(t.offset))}function Tr(t,e,n){return null!==n?null:e.getChild(e.offsetToIndex(t.offset)-1)}class Sr{constructor(t,e=null){this.start=xr._createAt(t),this.end=e?xr._createAt(e):xr._createAt(t),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new vr({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==Fe(this.start.getParentPath(),this.end.getParentPath())}get root(){return this.start.root}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),o=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&o}containsItem(t){const e=xr._createBefore(t);return this.containsPosition(e)||this.start.isEqual(e)}is(t){return"range"===t||"model:range"===t}isEqual(t){return this.start.isEqual(t.start)&&this.end.isEqual(t.end)}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new Sr(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Sr(t.end,this.end))):e.push(new Sr(this.start,this.end)),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new Sr(e,n)}return null}getJoined(t,e=!1){let n=this.isIntersecting(t);if(n||(n=this.start.isBefore(t.start)?e?this.end.isTouching(t.start):this.end.isEqual(t.start):e?t.end.isTouching(this.start):t.end.isEqual(this.start)),!n)return null;let o=this.start,i=this.end;return t.start.isBefore(o)&&(o=t.start),t.end.isAfter(i)&&(i=t.end),new Sr(o,i)}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,n=xr._createAt(this.start);let o=n.parent;for(;n.path.length>e+1;){const e=o.maxOffset-n.offset;0!==e&&t.push(new Sr(n,n.getShiftedBy(e))),n.path=n.path.slice(0,-1),n.offset++,o=o.parent}for(;n.path.length<=this.end.path.length;){const e=this.end.path[n.path.length-1],o=e-n.offset;0!==o&&t.push(new Sr(n,n.getShiftedBy(o))),n.offset=e,n.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new vr(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new vr(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new vr(t);yield e.position;for(const t of e)yield t.nextPosition}getTransformedByOperation(t){switch(t.type){case"insert":return this._getTransformedByInsertOperation(t);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(t);case"split":return[this._getTransformedBySplitOperation(t)];case"merge":return[this._getTransformedByMergeOperation(t)]}return[new Sr(this.start,this.end)]}getTransformedByOperations(t){const e=[new Sr(this.start,this.end)];for(const n of t)for(let t=0;t<e.length;t++){const o=e[t].getTransformedByOperation(n);e.splice(t,1,...o),t+=o.length-1}for(let t=0;t<e.length;t++){const n=e[t];for(let o=t+1;o<e.length;o++){const t=e[o];(n.containsRange(t)||t.containsRange(n)||n.isEqual(t))&&e.splice(o,1)}}return e}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;const t=this.start.nodeAfter,e=this.end.nodeBefore;return t&&t.is("element")&&t===e?t:null}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(t,e=!1){return this._getTransformedByInsertion(t.position,t.howMany,e)}_getTransformedByMoveOperation(t,e=!1){const n=t.sourcePosition,o=t.howMany,i=t.targetPosition;return this._getTransformedByMove(n,i,o,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let n=this.end._getTransformedBySplitOperation(t);return this.end.isEqual(t.insertionPosition)&&(n=this.end.getShiftedBy(1)),e.root!=n.root&&(n=this.end.getShiftedBy(-1)),new Sr(e,n)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new Sr(this.start);let e=this.start._getTransformedByMergeOperation(t),n=this.end._getTransformedByMergeOperation(t);return e.root!=n.root&&(n=this.end.getShiftedBy(-1)),e.isAfter(n)?(t.sourcePosition.isBefore(t.targetPosition)?(e=xr._createAt(n),e.offset=0):(t.deletionPosition.isEqual(e)||(n=t.deletionPosition),e=t.targetPosition),new Sr(e,n)):new Sr(e,n)}_getTransformedByInsertion(t,e,n=!1){if(n&&this.containsPosition(t))return[new Sr(this.start,t),new Sr(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const n=new Sr(this.start,this.end);return n.start=n.start._getTransformedByInsertion(t,e),n.end=n.end._getTransformedByInsertion(t,e),[n]}}_getTransformedByMove(t,e,n,o=!1){if(this.isCollapsed){const o=this.start._getTransformedByMove(t,e,n);return[new Sr(o)]}const i=Sr._createFromPositionAndShift(t,n),r=e._getTransformedByDeletion(t,n);if(this.containsPosition(e)&&!o&&(i.containsPosition(this.start)||i.containsPosition(this.end))){const o=this.start._getTransformedByMove(t,e,n),i=this.end._getTransformedByMove(t,e,n);return[new Sr(o,i)]}let s;const a=this.getDifference(i);let l=null;const c=this.getIntersection(i);if(1==a.length?l=new Sr(a[0].start._getTransformedByDeletion(t,n),a[0].end._getTransformedByDeletion(t,n)):2==a.length&&(l=new Sr(this.start,this.end._getTransformedByDeletion(t,n))),s=l?l._getTransformedByInsertion(r,n,null!==c||o):[],c){const t=new Sr(c.start._getCombined(i.start,r),c.end._getCombined(i.start,r));2==s.length?s.splice(1,0,t):s.push(t)}return s}_getTransformedByDeletion(t,e){let n=this.start._getTransformedByDeletion(t,e),o=this.end._getTransformedByDeletion(t,e);return null==n&&null==o?null:(null==n&&(n=t),null==o&&(o=t),new Sr(n,o))}static _createFromPositionAndShift(t,e){const n=t,o=t.getShiftedBy(e);return e>0?new this(n,o):new this(o,n)}static _createIn(t){return new this(xr._createAt(t,0),xr._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(xr._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new xe.a("range-create-from-ranges-empty-array",null);if(1==t.length)return t[0].clone();const e=t[0];t.sort(((t,e)=>t.start.isAfter(e.start)?1:-1));const n=t.indexOf(e),o=new this(e.start,e.end);if(n>0)for(let e=n-1;t[e].end.isEqual(o.start);e++)o.start=xr._createAt(t[e].start);for(let e=n+1;e<t.length&&t[e].start.isEqual(o.end);e++)o.end=xr._createAt(t[e].end);return o}static fromJSON(t,e){return new this(xr.fromJSON(t.start,e),xr.fromJSON(t.end,e))}}class Er{constructor(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._viewToModelLengthCallbacks=new Map,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set,this.on("modelToViewPosition",((t,e)=>{if(e.viewPosition)return;const n=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this.findPositionIn(n,e.modelPosition.offset)}),{priority:"low"}),this.on("viewToModelPosition",((t,e)=>{if(e.modelPosition)return;const n=this.findMappedViewAncestor(e.viewPosition),o=this._viewToModelMapping.get(n),i=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=xr._createAt(o,i)}),{priority:"low"})}bindElements(t,e){this._modelToViewMapping.set(t,e),this._viewToModelMapping.set(e,t)}unbindViewElement(t){const e=this.toModelElement(t);if(this._viewToModelMapping.delete(t),this._elementToMarkerNames.has(t))for(const e of this._elementToMarkerNames.get(t))this._unboundMarkerNames.add(e);this._modelToViewMapping.get(e)==t&&this._modelToViewMapping.delete(e)}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t),this._viewToModelMapping.get(e)==t&&this._viewToModelMapping.delete(e)}bindElementToMarker(t,e){const n=this._markerNameToElements.get(e)||new Set;n.add(t);const o=this._elementToMarkerNames.get(t)||new Set;o.add(e),this._markerNameToElements.set(e,n),this._elementToMarkerNames.set(t,o)}unbindElementFromMarkerName(t,e){const n=this._markerNameToElements.get(e);n&&(n.delete(t),0==n.size&&this._markerNameToElements.delete(e));const o=this._elementToMarkerNames.get(t);o&&(o.delete(e),0==o.size&&this._elementToMarkerNames.delete(t))}flushUnboundMarkerNames(){const t=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),t}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set}toModelElement(t){return this._viewToModelMapping.get(t)}toViewElement(t){return this._modelToViewMapping.get(t)}toModelRange(t){return new Sr(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new to(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};return this.fire("viewToModelPosition",e),e.modelPosition}toViewPosition(t,e={isPhantom:!1}){const n={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",n),n.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const n=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())n.add(e);else n.add(t);return n}registerViewToModelLength(t,e){this._viewToModelLengthCallbacks.set(t,e)}findMappedViewAncestor(t){let e=t.parent;for(;!this._viewToModelMapping.has(e);)e=e.parent;return e}_toModelOffset(t,e,n){if(n!=t)return this._toModelOffset(t.parent,t.index,n)+this._toModelOffset(t,e,t);if(t.is("$text"))return e;let o=0;for(let n=0;n<e;n++)o+=this.getModelLength(t.getChild(n));return o}getModelLength(t){if(this._viewToModelLengthCallbacks.get(t.name))return this._viewToModelLengthCallbacks.get(t.name)(t);if(this._viewToModelMapping.has(t))return 1;if(t.is("$text"))return t.data.length;if(t.is("uiElement"))return 0;{let e=0;for(const n of t.getChildren())e+=this.getModelLength(n);return e}}findPositionIn(t,e){let n,o=0,i=0,r=0;if(t.is("$text"))return new Xn(t,e);for(;i<e;)n=t.getChild(r),o=this.getModelLength(n),i+=o,r++;return i==e?this._moveViewPositionToTextNode(new Xn(t,r)):this.findPositionIn(n,e-(i-o))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,n=t.nodeAfter;return e instanceof qe?new Xn(e,e.data.length):n instanceof qe?new Xn(n,0):t}}Re(Er,Te);class Pr{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=Mr(e),t instanceof wr&&(t=this._getSymbolForTextProxy(t)),this._consumable.has(t)||this._consumable.set(t,new Map),this._consumable.get(t).set(e,!0)}consume(t,e){return e=Mr(e),t instanceof wr&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=Mr(e),t instanceof wr&&(t=this._getSymbolForTextProxy(t));const n=this._consumable.get(t);if(void 0===n)return null;const o=n.get(e);return void 0===o?null:o}revert(t,e){e=Mr(e),t instanceof wr&&(t=this._getSymbolForTextProxy(t));const n=this.test(t,e);return!1===n?(this._consumable.get(t).set(e,!0),!0):!0!==n&&null}_getSymbolForTextProxy(t){let e=null;const n=this._textProxyRegistry.get(t.startOffset);if(n){const o=n.get(t.endOffset);o&&(e=o.get(t.parent))}return e||(e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)),e}_addSymbolForTextProxy(t,e,n){const o=Symbol("textProxySymbol");let i,r;return i=this._textProxyRegistry.get(t),i||(i=new Map,this._textProxyRegistry.set(t,i)),r=i.get(e),r||(r=new Map,i.set(e,r)),r.set(n,o),o}}function Mr(t){const e=t.split(":");return e.length>1?e[0]+":"+e[1]:e[0]}class Ir{constructor(t){this.conversionApi=Object.assign({dispatcher:this},t),this._reconversionEventsMapping=new Map}convertChanges(t,e,n){for(const e of t.getMarkersToRemove())this.convertMarkerRemove(e.name,e.range,n);const o=this._mapChangesWithAutomaticReconversion(t);for(const t of o)"insert"===t.type?this.convertInsert(Sr._createFromPositionAndShift(t.position,t.length),n):"remove"===t.type?this.convertRemove(t.position,t.length,t.name,n):"reconvert"===t.type?this.reconvertElement(t.element,n):this.convertAttribute(t.range,t.attributeKey,t.attributeOldValue,t.attributeNewValue,n);for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const o=e.get(t).getRange();this.convertMarkerRemove(t,o,n),this.convertMarkerAdd(t,o,n)}for(const e of t.getMarkersToAdd())this.convertMarkerAdd(e.name,e.range,n)}convertInsert(t,e){this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of Array.from(t).map(Or))this._convertInsertWithAttributes(e);this._clearConversionApi()}convertRemove(t,e,n,o){this.conversionApi.writer=o,this.fire("remove:"+n,{position:t,length:e},this.conversionApi),this._clearConversionApi()}convertAttribute(t,e,n,o,i){this.conversionApi.writer=i,this.conversionApi.consumable=this._createConsumableForRange(t,"attribute:"+e);for(const i of t){const t={item:i.item,range:Sr._createFromPositionAndShift(i.previousPosition,i.length),attributeKey:e,attributeOldValue:n,attributeNewValue:o};this._testAndFire("attribute:"+e,t)}this._clearConversionApi()}reconvertElement(t,e){const n=Sr._createOn(t);this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(n);const o=this.conversionApi.mapper,i=o.toViewElement(t);e.remove(i),this._convertInsertWithAttributes({item:t,range:n});const r=o.toViewElement(t);for(const n of Sr._createIn(t)){const{item:t}=n,i=Rr(t,o);i?i.root!==r.root&&e.move(e.createRangeOn(i),o.toViewPosition(xr._createBefore(t))):this._convertInsertWithAttributes(Or(n))}o.unbindViewElement(i),this._clearConversionApi()}convertSelection(t,e,n){const o=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=n,this.conversionApi.consumable=this._createSelectionConsumable(t,o),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of o){const n=e.getRange();if(!Nr(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const o={item:t,markerName:e.name,markerRange:n};this.conversionApi.consumable.test(t,"addMarker:"+e.name)&&this.fire("addMarker:"+e.name,o,this.conversionApi)}for(const e of t.getAttributeKeys()){const n={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};this.conversionApi.consumable.test(t,"attribute:"+n.attributeKey)&&this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,n){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=n;const o="addMarker:"+t,i=new Pr;if(i.add(e,o),this.conversionApi.consumable=i,this.fire(o,{markerName:t,markerRange:e},this.conversionApi),i.test(e,o)){this.conversionApi.consumable=this._createConsumableForRange(e,o);for(const n of e.getItems()){if(!this.conversionApi.consumable.test(n,o))continue;const i={item:n,range:Sr._createOn(n),markerName:t,markerRange:e};this.fire(o,i,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,n){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=n,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_mapReconversionTriggerEvent(t,e){this._reconversionEventsMapping.set(e,t)}_createInsertConsumable(t){const e=new Pr;for(const n of t){const t=n.item;e.add(t,"insert");for(const n of t.getAttributeKeys())e.add(t,"attribute:"+n)}return e}_createConsumableForRange(t,e){const n=new Pr;for(const o of t.getItems())n.add(o,e);return n}_createSelectionConsumable(t,e){const n=new Pr;n.add(t,"selection");for(const o of e)n.add(t,"addMarker:"+o.name);for(const e of t.getAttributeKeys())n.add(t,"attribute:"+e);return n}_testAndFire(t,e){this.conversionApi.consumable.test(e.item,t)&&this.fire(function(t,e){return`${t}:${e.item.name||"$text"}`}(t,e),e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}_convertInsertWithAttributes(t){this._testAndFire("insert",t);for(const e of t.item.getAttributeKeys())t.attributeKey=e,t.attributeOldValue=null,t.attributeNewValue=t.item.getAttribute(e),this._testAndFire("attribute:"+e,t)}_mapChangesWithAutomaticReconversion(t){const e=new Set,n=[];for(const o of t.getChanges()){const t=o.position||o.range.start,i=t.parent;if(Ar(t,i)){n.push(o);continue}const r="attribute"===o.type?Cr(t,i,null):i;if(r.is("$text")){n.push(o);continue}let s;if(s="attribute"===o.type?`attribute:${o.attributeKey}:${r.name}`:`${o.type}:${o.name}`,this._isReconvertTriggerEvent(s,r.name)){if(e.has(r))continue;e.add(r),n.push({type:"reconvert",element:r})}else n.push(o)}return n}_isReconvertTriggerEvent(t,e){return this._reconversionEventsMapping.get(t)===e}}function Nr(t,e,n){const o=e.getRange(),i=Array.from(t.getAncestors());return i.shift(),i.reverse(),!i.some((t=>{if(o.containsItem(t))return!!n.toViewElement(t).getCustomProperty("addHighlight")}))}function Or(t){return{item:t.item,range:Sr._createFromPositionAndShift(t.previousPosition,t.length)}}function Rr(t,e){if(t.is("textProxy")){const n=e.toViewPosition(xr._createBefore(t)).parent;return n.is("$text")?n:null}return e.toViewElement(t)}Re(Ir,Te);class Dr{constructor(t,e,n){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,n)}get anchor(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.end:t.start}return null}get focus(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.start:t.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(t){if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const o of t._ranges)if(e.isEqual(o)){n=!0;break}if(!n)return!1}return!0}*getRanges(){for(const t of this._ranges)yield new Sr(t.start,t.end)}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?new Sr(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?new Sr(t.start,t.end):null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}setTo(t,e,n){if(null===t)this._setRanges([]);else if(t instanceof Dr)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof Sr)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof xr)this._setRanges([new Sr(t)]);else if(t instanceof pr){const o=!!n&&!!n.backward;let i;if("in"==e)i=Sr._createIn(t);else if("on"==e)i=Sr._createOn(t);else{if(void 0===e)throw new xe.a("model-selection-setto-required-second-parameter",[this,t]);i=new Sr(xr._createAt(t,e))}this._setRanges([i],o)}else{if(!Oe(t))throw new xe.a("model-selection-setto-not-selectable",[this,t]);this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const n=(t=Array.from(t)).some((e=>{if(!(e instanceof Sr))throw new xe.a("model-selection-set-ranges-not-range",[this,t]);return this._ranges.every((t=>!t.isEqual(e)))}));if(t.length!==this._ranges.length||n){this._removeAllRanges();for(const e of t)this._pushRange(e);this._lastRangeBackward=!!e,this.fire("change:range",{directChange:!0})}}setFocus(t,e){if(null===this.anchor)throw new xe.a("model-selection-setfocus-no-ranges",[this,t]);const n=xr._createAt(t,e);if("same"==n.compareWith(this.focus))return;const o=this.anchor;this._ranges.length&&this._popRange(),"before"==n.compareWith(o)?(this._pushRange(new Sr(n,o)),this._lastRangeBackward=!0):(this._pushRange(new Sr(o,n)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){this.hasAttribute(t)&&(this._attrs.delete(t),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}setAttribute(t,e){this.getAttribute(t)!==e&&(this._attrs.set(t,e),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}is(t){return"selection"===t||"model:selection"===t}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=Vr(e.start,t);n&&jr(n,e)&&(yield n);for(const n of e.getWalker()){const o=n.item;"elementEnd"==n.type&&zr(o,t,e)&&(yield o)}const o=Vr(e.end,t);o&&!e.end.isTouching(xr._createAt(o,0))&&jr(o,e)&&(yield o)}}containsEntireContent(t=this.anchor.root){const e=xr._createAt(t,0),n=xr._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new Sr(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++)if(t.isIntersecting(this._ranges[e]))throw new xe.a("model-selection-range-intersects",[this,t],{addedRange:t,intersectingRange:this._ranges[e]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function Lr(t,e){return!e.has(t)&&(e.add(t),t.root.document.model.schema.isBlock(t)&&t.parent)}function zr(t,e,n){return Lr(t,e)&&jr(t,n)}function Vr(t,e){const n=t.parent.root.document.model.schema,o=t.parent.getAncestors({parentFirst:!0,includeSelf:!0});let i=!1;const r=o.find((t=>!i&&(i=n.isLimit(t),!i&&Lr(t,e))));return o.forEach((t=>e.add(t))),r}function jr(t,e){const n=function(t){const e=t.root.document.model.schema;let n=t.parent;for(;n;){if(e.isBlock(n))return n;n=n.parent}}(t);return!n||!e.containsRange(Sr._createOn(n),!0)}Re(Dr,Te);class Br extends Sr{constructor(t,e){super(t,e),Fr.call(this)}detach(){this.stopListening()}is(t){return"liveRange"===t||"model:liveRange"===t||"range"==t||"model:range"===t}toRange(){return new Sr(this.start,this.end)}static fromRange(t){return new Br(t.start,t.end)}}function Fr(){this.listenTo(this.root.document.model,"applyOperation",((t,e)=>{const n=e[0];n.isDocumentOperation&&Hr.call(this,n)}),{priority:"low"})}function Hr(t){const e=this.getTransformedByOperation(t),n=Sr._createFromRanges(e),o=!n.isEqual(this),i=function(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return!1}(this,t);let r=null;if(o){"$graveyard"==n.root.rootName&&(r="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=n.start,this.end=n.end,this.fire("change:range",e,{deletionPosition:r})}else i&&this.fire("change:content",this.toRange(),{deletionPosition:r})}Re(Br,Te);class Ur{constructor(t){this._selection=new qr(t),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this),this._selection.delegate("change:marker").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(t){return this._selection.containsEntireContent(t)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(t){return this._selection.getAttribute(t)}hasAttribute(t){return this._selection.hasAttribute(t)}refresh(){this._selection._updateMarkers(),this._selection._updateAttributes(!1)}is(t){return"selection"===t||"model:selection"==t||"documentSelection"==t||"model:documentSelection"==t}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setAttribute(t,e){this._selection.setAttribute(t,e)}_removeAttribute(t){this._selection.removeAttribute(t)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(t){this._selection.restoreGravity(t)}static _getStoreAttributeKey(t){return"selection:"+t}static _isStoreAttributeKey(t){return t.startsWith("selection:")}}Re(Ur,Te);class qr extends Dr{constructor(t){super(),this.markers=new De({idProperty:"name"}),this._model=t.model,this._document=t,this._attributePriority=new Map,this._selectionRestorePosition=null,this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this.listenTo(this._model,"applyOperation",((t,e)=>{const n=e[0];n.isDocumentOperation&&"marker"!=n.type&&"rename"!=n.type&&"noop"!=n.type&&(0==this._ranges.length&&this._selectionRestorePosition&&this._fixGraveyardSelection(this._selectionRestorePosition),this._selectionRestorePosition=null,this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1})))}),{priority:"lowest"}),this.on("change:range",(()=>{for(const t of this.getRanges())if(!this._document._validateSelectionRange(t))throw new xe.a("document-selection-wrong-position",this,{range:t})})),this.listenTo(this._model.markers,"update",(()=>this._updateMarkers())),this.listenTo(this._document,"change",((t,e)=>{!function(t,e){const n=t.document.differ;for(const o of n.getChanges()){if("insert"!=o.type)continue;const n=o.position.parent;o.length===n.maxOffset&&t.enqueueChange(e,(t=>{const e=Array.from(n.getAttributeKeys()).filter((t=>t.startsWith("selection:")));for(const o of e)t.removeAttribute(o,n)}))}}(this._model,e)}))}get isCollapsed(){return 0===this._ranges.length?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let t=0;t<this._ranges.length;t++)this._ranges[t].detach();this.stopListening()}*getRanges(){this._ranges.length?yield*super.getRanges():yield this._document._getDefaultRange()}getFirstRange(){return super.getFirstRange()||this._document._getDefaultRange()}getLastRange(){return super.getLastRange()||this._document._getDefaultRange()}setTo(t,e,n){super.setTo(t,e,n),this._updateAttributes(!0),this._updateMarkers()}setFocus(t,e){super.setFocus(t,e),this._updateAttributes(!0),this._updateMarkers()}setAttribute(t,e){if(this._setAttribute(t,e)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}removeAttribute(t){if(this._removeAttribute(t)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}overrideGravity(){const t=ve();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new xe.a("document-selection-gravity-wrong-restore",this,{uid:t});this._overriddenGravityRegister.delete(t),this.isGravityOverridden||this._updateAttributes(!0)}_popRange(){this._ranges.pop().detach()}_pushRange(t){const e=this._prepareRange(t);e&&this._ranges.push(e)}_prepareRange(t){if(this._checkRange(t),t.root==this._document.graveyard)return;const e=Br.fromRange(t);return e.on("change:range",((t,n,o)=>{if(this._hasChangedRange=!0,e.root==this._document.graveyard){this._selectionRestorePosition=o.deletionPosition;const t=this._ranges.indexOf(e);this._ranges.splice(t,1),e.detach()}})),e}_updateMarkers(){const t=[];let e=!1;for(const e of this._model.markers){const n=e.getRange();for(const o of this.getRanges())n.containsRange(o,!o.isCollapsed)&&t.push(e)}const n=Array.from(this.markers);for(const n of t)this.markers.has(n)||(this.markers.add(n),e=!0);for(const n of Array.from(this.markers))t.includes(n)||(this.markers.remove(n),e=!0);e&&this.fire("change:marker",{oldMarkers:n,directChange:!1})}_updateAttributes(t){const e=$e(this._getSurroundingAttributes()),n=$e(this.getAttributes());if(t)this._attributePriority=new Map,this._attrs=new Map;else for(const[t,e]of this._attributePriority)"low"==e&&(this._attrs.delete(t),this._attributePriority.delete(t));this._setAttributesTo(e);const o=[];for(const[t,e]of this.getAttributes())n.has(t)&&n.get(t)===e||o.push(t);for(const[t]of n)this.hasAttribute(t)||o.push(t);o.length>0&&this.fire("change:attribute",{attributeKeys:o,directChange:!1})}_setAttribute(t,e,n=!0){const o=n?"normal":"low";return("low"!=o||"normal"!=this._attributePriority.get(t))&&(super.getAttribute(t)!==e&&(this._attrs.set(t,e),this._attributePriority.set(t,o),!0))}_removeAttribute(t,e=!0){const n=e?"normal":"low";return!("low"==n&&"normal"==this._attributePriority.get(t)||(this._attributePriority.set(t,n),!super.hasAttribute(t)||(this._attrs.delete(t),0)))}_setAttributesTo(t){const e=new Set;for(const[e,n]of this.getAttributes())t.get(e)!==n&&this._removeAttribute(e,!1);for(const[n,o]of t)this._setAttribute(n,o,!1)&&e.add(n);return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())if(e.startsWith("selection:")){const n=e.substr("selection:".length);yield[n,t.getAttribute(e)]}}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let n=null;if(this.isCollapsed){const o=t.textNode?t.textNode:t.nodeBefore,i=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(n=Wr(o)),n||(n=Wr(i)),!this.isGravityOverridden&&!n){let t=o;for(;t&&!e.isInline(t)&&!n;)t=t.previousSibling,n=Wr(t)}if(!n){let t=i;for(;t&&!e.isInline(t)&&!n;)t=t.nextSibling,n=Wr(t)}n||(n=this._getStoredAttributes())}else{const t=this.getFirstRange();for(const o of t){if(o.item.is("element")&&e.isObject(o.item))break;if("text"==o.type){n=o.item.getAttributes();break}}}return n}_fixGraveyardSelection(t){const e=this._model.schema.getNearestSelectionRange(t);e&&this._pushRange(e)}}function Wr(t){return t instanceof wr||t instanceof br?t.getAttributes():null}class $r{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers)t(e);return this}}var Yr=function(t){return fe(t,5)};class Gr extends $r{elementToElement(t){return this.add(function(t){return(t=Yr(t)).view=Jr(t.view,"container"),e=>{var n;if(e.on("insert:"+t.model,(n=t.view,(t,e,o)=>{const i=n(e.item,o);if(!i)return;if(!o.consumable.consume(e.item,"insert"))return;const r=o.mapper.toViewPosition(e.range.start);o.mapper.bindElements(e.item,i),o.writer.insert(r,i)}),{priority:t.converterPriority||"normal"}),t.triggerBy){if(t.triggerBy.attributes)for(const n of t.triggerBy.attributes)e._mapReconversionTriggerEvent(t.model,`attribute:${n}:${t.model}`);if(t.triggerBy.children)for(const n of t.triggerBy.children)e._mapReconversionTriggerEvent(t.model,"insert:"+n),e._mapReconversionTriggerEvent(t.model,"remove:"+n)}}}(t))}attributeToElement(t){return this.add(function(t){let e="attribute:"+((t=Yr(t)).model.key?t.model.key:t.model);if(t.model.name&&(e+=":"+t.model.name),t.model.values)for(const e of t.model.values)t.view[e]=Jr(t.view[e],"attribute");else t.view=Jr(t.view,"attribute");const n=Zr(t);return o=>{o.on(e,function(t){return(e,n,o)=>{const i=t(n.attributeOldValue,o),r=t(n.attributeNewValue,o);if(!i&&!r)return;if(!o.consumable.consume(n.item,e.name))return;const s=o.writer,a=s.document.selection;if(n.item instanceof Dr||n.item instanceof Ur)s.wrap(a.getFirstRange(),r);else{let t=o.mapper.toViewRange(n.range);null!==n.attributeOldValue&&i&&(t=s.unwrap(t,i)),null!==n.attributeNewValue&&r&&s.wrap(t,r)}}}(n),{priority:t.converterPriority||"normal"})}}(t))}attributeToAttribute(t){return this.add(function(t){let e="attribute:"+((t=Yr(t)).model.key?t.model.key:t.model);if(t.model.name&&(e+=":"+t.model.name),t.model.values)for(const e of t.model.values)t.view[e]=Xr(t.view[e]);else t.view=Xr(t.view);const n=Zr(t);return o=>{var i;o.on(e,(i=n,(t,e,n)=>{const o=i(e.attributeOldValue,n),r=i(e.attributeNewValue,n);if(!o&&!r)return;if(!n.consumable.consume(e.item,t.name))return;const s=n.mapper.toViewElement(e.item),a=n.writer;if(!s)throw new xe.a("conversion-attribute-to-attribute-on-text",[e,n]);if(null!==e.attributeOldValue&&o)if("class"==o.key){const t=Array.isArray(o.value)?o.value:[o.value];for(const e of t)a.removeClass(e,s)}else if("style"==o.key){const t=Object.keys(o.value);for(const e of t)a.removeStyle(e,s)}else a.removeAttribute(o.key,s);if(null!==e.attributeNewValue&&r)if("class"==r.key){const t=Array.isArray(r.value)?r.value:[r.value];for(const e of t)a.addClass(e,s)}else if("style"==r.key){const t=Object.keys(r.value);for(const e of t)a.setStyle(e,r.value[e],s)}else a.setAttribute(r.key,r.value,s)}),{priority:t.converterPriority||"normal"})}}(t))}markerToElement(t){return this.add(function(t){return(t=Yr(t)).view=Jr(t.view,"ui"),e=>{var n;e.on("addMarker:"+t.model,(n=t.view,(t,e,o)=>{e.isOpening=!0;const i=n(e,o);e.isOpening=!1;const r=n(e,o);if(!i||!r)return;const s=e.markerRange;if(s.isCollapsed&&!o.consumable.consume(s,t.name))return;for(const e of s)if(!o.consumable.consume(e.item,t.name))return;const a=o.mapper,l=o.writer;l.insert(a.toViewPosition(s.start),i),o.mapper.bindElementToMarker(i,e.markerName),s.isCollapsed||(l.insert(a.toViewPosition(s.end),r),o.mapper.bindElementToMarker(r,e.markerName)),t.stop()}),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,(t.view,(t,e,n)=>{const o=n.mapper.markerNameToElements(e.markerName);if(o){for(const t of o)n.mapper.unbindElementFromMarkerName(t,e.markerName),n.writer.clear(n.writer.createRangeOn(t),t);n.writer.clearClonedElementsGroup(e.markerName),t.stop()}}),{priority:t.converterPriority||"normal"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{var n;e.on("addMarker:"+t.model,(n=t.view,(t,e,o)=>{if(!e.item)return;if(!(e.item instanceof Dr||e.item instanceof Ur||e.item.is("$textProxy")))return;const i=ts(n,e,o);if(!i)return;if(!o.consumable.consume(e.item,t.name))return;const r=o.writer,s=Kr(r,i),a=r.document.selection;if(e.item instanceof Dr||e.item instanceof Ur)r.wrap(a.getFirstRange(),s,a);else{const t=o.mapper.toViewRange(e.range),n=r.wrap(t,s);for(const t of n.getItems())if(t.is("attributeElement")&&t.isSimilar(s)){o.mapper.bindElementToMarker(t,e.markerName);break}}}),{priority:t.converterPriority||"normal"}),e.on("addMarker:"+t.model,function(t){return(e,n,o)=>{if(!n.item)return;if(!(n.item instanceof _r))return;const i=ts(t,n,o);if(!i)return;if(!o.consumable.test(n.item,e.name))return;const r=o.mapper.toViewElement(n.item);if(r&&r.getCustomProperty("addHighlight")){o.consumable.consume(n.item,e.name);for(const t of Sr._createIn(n.item))o.consumable.consume(t.item,e.name);r.getCustomProperty("addHighlight")(r,i,o.writer),o.mapper.bindElementToMarker(r,n.markerName)}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,function(t){return(e,n,o)=>{if(n.markerRange.isCollapsed)return;const i=ts(t,n,o);if(!i)return;const r=Kr(o.writer,i),s=o.mapper.markerNameToElements(n.markerName);if(s){for(const t of s)o.mapper.unbindElementFromMarkerName(t,n.markerName),t.is("attributeElement")?o.writer.unwrap(o.writer.createRangeOn(t),r):t.getCustomProperty("removeHighlight")(t,i.id,o.writer);o.writer.clearClonedElementsGroup(n.markerName),e.stop()}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}markerToData(t){return this.add(function(t){const e=(t=Yr(t)).model;return t.view||(t.view=n=>({group:e,name:n.substr(t.model.length+1)})),n=>{var o;n.on("addMarker:"+e,(o=t.view,(t,e,n)=>{const i=o(e.markerName,n);if(!i)return;const r=e.markerRange;n.consumable.consume(r,t.name)&&(Qr(r,!1,n,e,i),Qr(r,!0,n,e,i),t.stop())}),{priority:t.converterPriority||"normal"}),n.on("removeMarker:"+e,function(t){return(e,n,o)=>{const i=t(n.markerName,o);if(!i)return;const r=o.mapper.markerNameToElements(n.markerName);if(r){for(const t of r)o.mapper.unbindElementFromMarkerName(t,n.markerName),t.is("containerElement")?(s(`data-${i.group}-start-before`,t),s(`data-${i.group}-start-after`,t),s(`data-${i.group}-end-before`,t),s(`data-${i.group}-end-after`,t)):o.writer.clear(o.writer.createRangeOn(t),t);o.writer.clearClonedElementsGroup(n.markerName),e.stop()}function s(t,e){if(e.hasAttribute(t)){const n=new Set(e.getAttribute(t).split(","));n.delete(i.name),0==n.size?o.writer.removeAttribute(t,e):o.writer.setAttribute(t,Array.from(n).join(","),e)}}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}}function Kr(t,e){const n=t.createAttributeElement("span",e.attributes);return e.classes&&n._addClass(e.classes),e.priority&&(n._priority=e.priority),n._id=e.id,n}function Qr(t,e,n,o,i){const r=e?t.start:t.end;if(n.schema.checkChild(r,"$text"))!function(t,e,n,o,i){const r=`${i.group}-${e?"start":"end"}`,s=i.name?{name:i.name}:null,a=n.writer.createUIElement(r,s);n.writer.insert(t,a),n.mapper.bindElementToMarker(a,o.markerName)}(n.mapper.toViewPosition(r),e,n,o,i);else{let t,s;e&&r.nodeAfter||!e&&!r.nodeBefore?(t=r.nodeAfter,s=!0):(t=r.nodeBefore,s=!1),function(t,e,n,o,i,r){const s=`data-${r.group}-${e?"start":"end"}-${n?"before":"after"}`,a=t.hasAttribute(s)?t.getAttribute(s).split(","):[];a.unshift(r.name),o.writer.setAttribute(s,a.join(","),t),o.mapper.bindElementToMarker(t,i.markerName)}(n.mapper.toViewElement(t),e,s,n,o,i)}}function Jr(t,e){return"function"==typeof t?t:(n,o)=>function(t,e,n){let o;"string"==typeof t&&(t={name:t});const i=e.writer,r=Object.assign({},t.attributes);if("container"==n)o=i.createContainerElement(t.name,r);else if("attribute"==n){const e={priority:t.priority||so.DEFAULT_PRIORITY};o=i.createAttributeElement(t.name,r,e)}else o=i.createUIElement(t.name,r);if(t.styles){const e=Object.keys(t.styles);for(const n of e)i.setStyle(n,t.styles[n],o)}if(t.classes){const e=t.classes;if("string"==typeof e)i.addClass(e,o);else for(const t of e)i.addClass(t,o)}return o}(t,o,e)}function Zr(t){return t.model.values?(e,n)=>{const o=t.view[e];return o?o(e,n):null}:t.view}function Xr(t){return"string"==typeof t?e=>({key:t,value:e}):"object"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}function ts(t,e,n){const o="function"==typeof t?t(e,n):t;return o?(o.priority||(o.priority=10),o.id||(o.id=e.markerName),o):null}function es(t){const{schema:e,document:n}=t.model;for(const o of n.getRootNames()){const i=n.getRoot(o);if(i.isEmpty&&!e.checkChild(i,"$text")&&e.checkChild(i,"paragraph"))return t.insertElement("paragraph",i),!0}return!1}function ns(t,e,n){const o=n.createContext(t);return!!n.checkChild(o,"paragraph")&&!!n.checkChild(o.push("paragraph"),e)}function os(t,e){const n=e.createElement("paragraph");return e.insert(n,t),e.createPositionAt(n,0)}class is extends $r{elementToElement(t){return this.add(rs(t))}elementToAttribute(t){return this.add(function(t){ls(t=Yr(t));const e=cs(t,!1),n=ss(t.view),o=n?"element:"+n:"element";return n=>{n.on(o,e,{priority:t.converterPriority||"low"})}}(t))}attributeToAttribute(t){return this.add(function(t){let e=null;("string"==typeof(t=Yr(t)).view||t.view.key)&&(e=function(t){"string"==typeof t.view&&(t.view={key:t.view});const e=t.view.key;let n;if("class"==e||"style"==e)n={["class"==e?"classes":"styles"]:t.view.value};else{n={attributes:{[e]:void 0===t.view.value?/[\s\S]*/:t.view.value}}}return t.view.name&&(n.name=t.view.name),t.view=n,e}(t)),ls(t,e);const n=cs(t,!0);return e=>{e.on("element",n,{priority:t.converterPriority||"low"})}}(t))}elementToMarker(t){return Object(xe.c)("upcast-helpers-element-to-marker-deprecated"),this.add(function(t){return function(t){const e=t.model;t.model=(t,n)=>{const o="string"==typeof e?e:e(t,n);return n.writer.createElement("$marker",{"data-name":o})}}(t=Yr(t)),rs(t)}(t))}dataToMarker(t){return this.add(function(t){(t=Yr(t)).model||(t.model=e=>e?t.view+":"+e:t.view);const e=as(ds(t,"start")),n=as(ds(t,"end"));return o=>{o.on("element:"+t.view+"-start",e,{priority:t.converterPriority||"normal"}),o.on("element:"+t.view+"-end",n,{priority:t.converterPriority||"normal"});const i=ye.get("low"),r=ye.get("highest"),s=ye.get(t.converterPriority)/r;o.on("element",function(t){return(e,n,o)=>{const i="data-"+t.view;function r(e,i){for(const r of i){const i=t.model(r,o),s=o.writer.createElement("$marker",{"data-name":i});o.writer.insert(s,e),n.modelCursor.isEqual(e)?n.modelCursor=n.modelCursor.getShiftedBy(1):n.modelCursor=n.modelCursor._getTransformedByInsertion(e,1),n.modelRange=n.modelRange._getTransformedByInsertion(e,1)[0]}}n.modelRange||(n=Object.assign(n,o.convertChildren(n.viewItem,n.modelCursor))),o.consumable.consume(n.viewItem,{attributes:i+"-end-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(i+"-end-after").split(",")),o.consumable.consume(n.viewItem,{attributes:i+"-start-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(i+"-start-after").split(",")),o.consumable.consume(n.viewItem,{attributes:i+"-end-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(i+"-end-before").split(",")),o.consumable.consume(n.viewItem,{attributes:i+"-start-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(i+"-start-before").split(","))}}(t),{priority:i+s})}}(t))}}function rs(t){const e=as(t=Yr(t)),n=ss(t.view),o=n?"element:"+n:"element";return n=>{n.on(o,e,{priority:t.converterPriority||"normal"})}}function ss(t){return"string"==typeof t?t:"object"==typeof t&&"string"==typeof t.name?t.name:null}function as(t){const e=new Ye(t.view);return(n,o,i)=>{const r=e.match(o.viewItem);if(!r)return;const s=r.match;if(s.name=!0,!i.consumable.test(o.viewItem,s))return;const a=function(t,e,n){return t instanceof Function?t(e,n):n.writer.createElement(t)}(t.model,o.viewItem,i);a&&i.safeInsert(a,o.modelCursor)&&(i.consumable.consume(o.viewItem,s),i.convertChildren(o.viewItem,a),i.updateConversionResult(a,o))}}function ls(t,e=null){const n=null===e||(t=>t.getAttribute(e)),o="object"!=typeof t.model?t.model:t.model.key,i="object"!=typeof t.model||void 0===t.model.value?n:t.model.value;t.model={key:o,value:i}}function cs(t,e){const n=new Ye(t.view);return(o,i,r)=>{const s=n.match(i.viewItem);if(!s)return;const a=t.model.key,l="function"==typeof t.model.value?t.model.value(i.viewItem,r):t.model.value;null!==l&&(function(t,e){const n="function"==typeof t?t(e):t;return!("object"==typeof n&&!ss(n))&&(!n.classes&&!n.attributes&&!n.styles)}(t.view,i.viewItem)?s.match.name=!0:delete s.match.name,r.consumable.test(i.viewItem,s.match)&&(i.modelRange||(i=Object.assign(i,r.convertChildren(i.viewItem,i.modelCursor))),function(t,e,n,o){let i=!1;for(const r of Array.from(t.getItems({shallow:n})))o.schema.checkAttribute(r,e.key)&&(o.writer.setAttribute(e.key,e.value,r),i=!0);return i}(i.modelRange,{key:a,value:l},e,r)&&r.consumable.consume(i.viewItem,s.match)))}}function ds(t,e){const n={};return n.view=t.view+"-"+e,n.model=(e,n)=>{const o=e.getAttribute("name"),i=t.model(o,n);return n.writer.createElement("$marker",{"data-name":i})},n}class us{constructor(t,e){this.model=t,this.view=new gr(e),this.mapper=new Er,this.downcastDispatcher=new Ir({mapper:this.mapper,schema:t.schema});const n=this.model.document,o=n.selection,i=this.model.markers;this.listenTo(this.model,"_beforeChanges",(()=>{this.view._disableRendering(!0)}),{priority:"highest"}),this.listenTo(this.model,"_afterChanges",(()=>{this.view._disableRendering(!1)}),{priority:"lowest"}),this.listenTo(n,"change",(()=>{this.view.change((t=>{this.downcastDispatcher.convertChanges(n.differ,i,t),this.downcastDispatcher.convertSelection(o,i,t)}))}),{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(n,o)=>{const i=o.newSelection,r=[];for(const t of i.getRanges())r.push(e.toModelRange(t));const s=t.createSelection(r,{backward:i.isBackward});s.isEqual(t.document.selection)||t.change((t=>{t.setSelection(s)}))}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",((t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(e.range.start),r=o.createText(e.item.data);o.insert(i,r)}),{priority:"lowest"}),this.downcastDispatcher.on("remove",((t,e,n)=>{const o=n.mapper.toViewPosition(e.position),i=e.position.getShiftedBy(e.length),r=n.mapper.toViewPosition(i,{isPhantom:!0}),s=n.writer.createRange(o,r),a=n.writer.remove(s.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(t)}),{priority:"low"}),this.downcastDispatcher.on("selection",((t,e,n)=>{const o=n.writer,i=o.document.selection;for(const t of i.getRanges())t.isCollapsed&&t.end.parent.isAttached()&&n.writer.mergeAttributes(t.start);o.setSelection(null)}),{priority:"low"}),this.downcastDispatcher.on("selection",((t,e,n)=>{const o=e.selection;if(o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=[];for(const t of o.getRanges()){const e=n.mapper.toViewRange(t);i.push(e)}n.writer.setSelection(i,{backward:o.isBackward})}),{priority:"low"}),this.downcastDispatcher.on("selection",((t,e,n)=>{const o=e.selection;if(!o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=n.writer,r=o.getFirstPosition(),s=n.mapper.toViewPosition(r),a=i.breakAttributes(s);i.setSelection(a)}),{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using((t=>{if("$graveyard"==t.rootName)return null;const e=new Jn(this.view.document,t.name);return e.rootName=t.rootName,this.mapper.bindElements(t,e),e}))}destroy(){this.view.destroy(),this.stopListening()}}Re(us,Un);class hs{constructor(){this._commands=new Map}add(t,e){this._commands.set(t,e)}get(t){return this._commands.get(t)}execute(t,...e){const n=this.get(t);if(!n)throw new xe.a("commandcollection-command-not-found",this,{commandName:t});return n.execute(...e)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const t of this.commands())t.destroy()}}class fs{constructor(){this._consumables=new Map}add(t,e){let n;t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?n=this._consumables.get(t):(n=new ms(t),this._consumables.set(t,n)),n.add(e))}test(t,e){const n=this._consumables.get(t);return void 0===n?null:t.is("$text")||t.is("documentFragment")?n:n.test(e)}consume(t,e){return!!this.test(t,e)&&(t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!1):this._consumables.get(t).consume(e),!0)}revert(t,e){const n=this._consumables.get(t);void 0!==n&&(t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!0):n.revert(e))}static consumablesFromElement(t){const e={element:t,name:!0,attributes:[],classes:[],styles:[]},n=t.getAttributeKeys();for(const t of n)"style"!=t&&"class"!=t&&e.attributes.push(t);const o=t.getClassNames();for(const t of o)e.classes.push(t);const i=t.getStyleNames();for(const t of i)e.styles.push(t);return e}static createFrom(t,e){if(e||(e=new fs(t)),t.is("$text"))return e.add(t),e;t.is("element")&&e.add(t,fs.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const n of t.getChildren())e=fs.createFrom(n,e);return e}}class ms{constructor(t){this.element=t,this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._add(e,t[e])}test(t){if(t.name&&!this._canConsumeName)return this._canConsumeName;for(const e in this._consumables)if(e in t){const n=this._test(e,t[e]);if(!0!==n)return n}return!0}consume(t){t.name&&(this._canConsumeName=!1);for(const e in this._consumables)e in t&&this._consume(e,t[e])}revert(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._revert(e,t[e])}_add(t,e){const n=lt(e)?e:[e],o=this._consumables[t];for(const e of n){if("attributes"===t&&("class"===e||"style"===e))throw new xe.a("viewconsumable-invalid-attribute",this);if(o.set(e,!0),"styles"===t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))o.set(t,!0)}}_test(t,e){const n=lt(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){const t=o.get(e);if(void 0===t)return null;if(!t)return!1}else{const t="class"==e?"classes":"styles",n=this._test(t,[...this._consumables[t].keys()]);if(!0!==n)return n}return!0}_consume(t,e){const n=lt(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){if(o.set(e,!1),"styles"==t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))o.set(t,!1)}else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const n=lt(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e)!1===o.get(e)&&o.set(e,!0);else{const t="class"==e?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}}}class gs{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",((t,e)=>{e[0]=new ps(e[0])}),{priority:"highest"}),this.on("checkChild",((t,e)=>{e[0]=new ps(e[0]),e[1]=this.getDefinition(e[1])}),{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t])throw new xe.a("schema-cannot-register-item-twice",this,{itemName:t});this._sourceDefinitions[t]=[Object.assign({},e)],this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t])throw new xe.a("schema-cannot-extend-missing-item",this,{itemName:t});this._sourceDefinitions[t].push(Object.assign({},e)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(t){let e;return e="string"==typeof t?t:t.is&&(t.is("$text")||t.is("$textProxy"))?"$text":t.name,this.getDefinitions()[e]}isRegistered(t){return!!this.getDefinition(t)}isBlock(t){const e=this.getDefinition(t);return!(!e||!e.isBlock)}isLimit(t){const e=this.getDefinition(t);return!(!e||!e.isLimit&&!e.isObject)}isObject(t){const e=this.getDefinition(t);return!!e&&!!(e.isObject||e.isLimit&&e.isSelectable&&e.isContent)}isInline(t){const e=this.getDefinition(t);return!(!e||!e.isInline)}isSelectable(t){const e=this.getDefinition(t);return!(!e||!e.isSelectable&&!e.isObject)}isContent(t){const e=this.getDefinition(t);return!(!e||!e.isContent&&!e.isObject)}checkChild(t,e){return!!e&&this._checkContextMatch(e,t)}checkAttribute(t,e){const n=this.getDefinition(t.last);return!!n&&n.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof xr){const e=t.nodeBefore,n=t.nodeAfter;if(!(e instanceof _r))throw new xe.a("schema-check-merge-no-element-before",this);if(!(n instanceof _r))throw new xe.a("schema-check-merge-no-element-after",this);return this.checkMerge(e,n)}for(const n of e.getChildren())if(!this.checkChild(t,n))return!1;return!0}addChildCheck(t){this.on("checkChild",((e,[n,o])=>{if(!o)return;const i=t(n,o);"boolean"==typeof i&&(e.stop(),e.return=i)}),{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",((e,[n,o])=>{const i=t(n,o);"boolean"==typeof i&&(e.stop(),e.return=i)}),{priority:"high"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;for(e=t instanceof xr?t.parent:(t instanceof Sr?[t]:Array.from(t.getRanges())).reduce(((t,e)=>{const n=e.getCommonAncestor();return t?t.getCommonAncestor(n,{includeSelf:!0}):n}),null);!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=[...t.getFirstPosition().getAncestors(),new br("",t.getAttributes())];return this.checkAttribute(n,e)}{const n=t.getRanges();for(const t of n)for(const n of t)if(this.checkAttribute(n.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const n of t)yield*this._getValidRangesForRange(n,e)}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new Sr(t);let n,o;const i=t.getAncestors().reverse().find((t=>this.isLimit(t)))||t.root;"both"!=e&&"backward"!=e||(n=new vr({boundaries:Sr._createIn(i),startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(o=new vr({boundaries:Sr._createIn(i),startPosition:t}));for(const t of function*(t,e){let n=!1;for(;!n;){if(n=!0,t){const e=t.next();e.done||(n=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(n=!1,yield{walker:e,value:t.value})}}}(n,o)){const e=t.walker==n?"elementEnd":"elementStart",o=t.value;if(o.type==e&&this.isObject(o.item))return Sr._createOn(o.item);if(this.checkChild(o.nextPosition,"$text"))return new Sr(o.nextPosition)}return null}findAllowedParent(t,e){let n=t.parent;for(;n;){if(this.checkChild(n,e))return n;if(this.isLimit(n))return null;n=n.parent}return null}removeDisallowedAttributes(t,e){for(const n of t)if(n.is("$text"))Ss(this,n,e);else{const t=Sr._createIn(n).getPositions();for(const n of t)Ss(this,n.nodeBefore||n.parent,e)}}createContext(t){return new ps(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,n=Object.keys(e);for(const o of n)t[o]=bs(e[o],o);for(const e of n)ws(t,e);for(const e of n)ks(t,e);for(const e of n)_s(t,e),vs(t,e);for(const e of n)ys(t,e),xs(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,n=e.length-1){const o=e.getItem(n);if(t.allowIn.includes(o.name)){if(0==n)return!0;{const t=this.getDefinition(o);return this._checkContextMatch(t,e,n-1)}}return!1}*_getValidRangesForRange(t,e){let n=t.start,o=t.start;for(const i of t.getItems({shallow:!0}))i.is("element")&&(yield*this._getValidRangesForRange(Sr._createIn(i),e)),this.checkAttribute(i,e)||(n.isEqual(o)||(yield new Sr(n,o)),n=xr._createAfter(i)),o=xr._createAfter(i);n.isEqual(o)||(yield new Sr(n,o))}}Re(gs,Un);class ps{constructor(t){if(t instanceof ps)return t;"string"==typeof t?t=[t]:Array.isArray(t)||(t=t.getAncestors({includeSelf:!0})),t[0]&&"string"!=typeof t[0]&&t[0].is("documentFragment")&&t.shift(),this._items=t.map(Ts)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(t){const e=new ps([t]);return e._items=[...this._items,...e._items],e}getItem(t){return this._items[t]}*getNames(){yield*this._items.map((t=>t.name))}endsWith(t){return Array.from(this.getNames()).join(" ").endsWith(t)}startsWith(t){return Array.from(this.getNames()).join(" ").startsWith(t)}}function bs(t,e){const n={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(t,e){for(const n of t){const t=Object.keys(n).filter((t=>t.startsWith("is")));for(const o of t)e[o]=n[o]}}(t,n),As(t,n,"allowIn"),As(t,n,"allowContentOf"),As(t,n,"allowWhere"),As(t,n,"allowAttributes"),As(t,n,"allowAttributesOf"),As(t,n,"inheritTypesFrom"),function(t,e){for(const n of t){const t=n.inheritAllFrom;t&&(e.allowContentOf.push(t),e.allowWhere.push(t),e.allowAttributesOf.push(t),e.inheritTypesFrom.push(t))}}(t,n),n}function ws(t,e){for(const n of t[e].allowContentOf)t[n]&&Cs(t,n).forEach((t=>{t.allowIn.push(e)}));delete t[e].allowContentOf}function ks(t,e){for(const n of t[e].allowWhere){const o=t[n];if(o){const n=o.allowIn;t[e].allowIn.push(...n)}}delete t[e].allowWhere}function _s(t,e){for(const n of t[e].allowAttributesOf){const o=t[n];if(o){const n=o.allowAttributes;t[e].allowAttributes.push(...n)}}delete t[e].allowAttributesOf}function vs(t,e){const n=t[e];for(const e of n.inheritTypesFrom){const o=t[e];if(o){const t=Object.keys(o).filter((t=>t.startsWith("is")));for(const e of t)e in n||(n[e]=o[e])}}delete n.inheritTypesFrom}function ys(t,e){const n=t[e],o=n.allowIn.filter((e=>t[e]));n.allowIn=Array.from(new Set(o))}function xs(t,e){const n=t[e];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function As(t,e,n){for(const o of t)"string"==typeof o[n]?e[n].push(o[n]):Array.isArray(o[n])&&e[n].push(...o[n])}function Cs(t,e){const n=t[e];return(o=t,Object.keys(o).map((t=>o[t]))).filter((t=>t.allowIn.includes(n.name)));var o}function Ts(t){return"string"==typeof t?{name:t,*getAttributeKeys(){},getAttribute(){}}:{name:t.is("element")?t.name:"$text",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute:e=>t.getAttribute(e)}}function Ss(t,e,n){for(const o of e.getAttributeKeys())t.checkAttribute(e,o)||n.removeAttribute(o,e)}class Es{constructor(t={}){this._splitParts=new Map,this._cursorParents=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},t),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.safeInsert=this._safeInsert.bind(this),this.conversionApi.updateConversionResult=this._updateConversionResult.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let n;for(const o of new ps(t)){const t={};for(const e of o.getAttributeKeys())t[e]=o.getAttribute(e);const i=e.createElement(o.name,t);n&&e.append(i,n),n=xr._createAt(i,0)}return n}(n,e),this.conversionApi.writer=e,this.conversionApi.consumable=fs.createFrom(t),this.conversionApi.store={};const{modelRange:o}=this._convertItem(t,this._modelCursor),i=e.createDocumentFragment();if(o){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,i);i.markers=function(t,e){const n=new Set,o=new Map,i=Sr._createIn(t).getItems();for(const t of i)"$marker"==t.name&&n.add(t);for(const t of n){const n=t.getAttribute("data-name"),i=e.createPositionBefore(t);o.has(n)?o.get(n).end=i.clone():o.set(n,new Sr(i.clone())),e.remove(t)}return o}(i,e)}return this._modelCursor=null,this._splitParts.clear(),this._cursorParents.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,i}_convertItem(t,e){const n=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")?this.fire("element:"+t.name,n,this.conversionApi):t.is("$text")?this.fire("text",n,this.conversionApi):this.fire("documentFragment",n,this.conversionApi),n.modelRange&&!(n.modelRange instanceof Sr))throw new xe.a("view-conversion-dispatcher-incorrect-result",this);return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(t,e){let n=e.is("position")?e:xr._createAt(e,0);const o=new Sr(n);for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,n);t.modelRange instanceof Sr&&(o.end=t.modelRange.end,n=t.modelCursor)}return{modelRange:o,modelCursor:n}}_safeInsert(t,e){const n=this._splitToAllowedParent(t,e);return!!n&&(this.conversionApi.writer.insert(t,n.position),!0)}_updateConversionResult(t,e){const n=this._getSplitParts(t),o=this.conversionApi.writer;e.modelRange||(e.modelRange=o.createRange(o.createPositionBefore(t),o.createPositionAfter(n[n.length-1])));const i=this._cursorParents.get(t);e.modelCursor=i?o.createPositionAt(i,0):e.modelRange.end}_splitToAllowedParent(t,e){const{schema:n,writer:o}=this.conversionApi;let i=n.findAllowedParent(e,t);if(i){if(i===e.parent)return{position:e};this._modelCursor.parent.getAncestors().includes(i)&&(i=null)}if(!i)return ns(e,t,n)?{position:os(e,o)}:null;const r=this.conversionApi.writer.split(e,i),s=[];for(const t of r.range.getWalker())if("elementEnd"==t.type)s.push(t.item);else{const e=s.pop(),n=t.item;this._registerSplitPair(e,n)}const a=r.range.end.parent;return this._cursorParents.set(t,a),{position:r.position,cursorParent:a}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const n=this._splitParts.get(t);this._splitParts.set(e,n),n.push(e)}_getSplitParts(t){let e;return e=this._splitParts.has(t)?this._splitParts.get(t):[t],e}_removeEmptyElements(){let t=!1;for(const e of this._splitParts.keys())e.isEmpty&&(this.conversionApi.writer.remove(e),this._splitParts.delete(e),t=!0);t&&this._removeEmptyElements()}}Re(Es,Te);class Ps{constructor(t,e){this.model=t,this.stylesProcessor=e,this.processor=void 0,this.mapper=new Er,this.downcastDispatcher=new Ir({mapper:this.mapper,schema:t.schema}),this.downcastDispatcher.on("insert:$text",((t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(e.range.start),r=o.createText(e.item.data);o.insert(i,r)}),{priority:"lowest"}),this.upcastDispatcher=new Es({schema:t.schema}),this.viewDocument=new ro(e),this._viewWriter=new No(this.viewDocument),this.upcastDispatcher.on("text",((t,e,{schema:n,consumable:o,writer:i})=>{let r=e.modelCursor;if(!o.test(e.viewItem))return;if(!n.checkChild(r,"$text")){if(!ns(r,"$text",n))return;r=os(r,i)}o.consume(e.viewItem);const s=i.createText(e.viewItem.data);i.insert(s,r),e.modelRange=i.createRange(r,r.getShiftedBy(s.offsetSize)),e.modelCursor=e.modelRange.end}),{priority:"lowest"}),this.upcastDispatcher.on("element",((t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:o}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=o}}),{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",((t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:o}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=o}}),{priority:"lowest"}),this.decorate("init"),this.decorate("set"),this.on("init",(()=>{this.fire("ready")}),{priority:"lowest"}),this.on("ready",(()=>{this.model.enqueueChange("transparent",es)}),{priority:"lowest"})}get(t={}){const{rootName:e="main",trim:n="empty"}=t;if(!this._checkIfRootsExists([e]))throw new xe.a("datacontroller-get-non-existent-root",this);const o=this.model.document.getRoot(e);return"empty"!==n||this.model.hasContent(o,{ignoreWhitespaces:!0})?this.stringify(o,t):""}stringify(t,e){const n=this.toView(t,e);return this.processor.toData(n)}toView(t,e){const n=this.viewDocument,o=this._viewWriter;this.mapper.clearBindings();const i=Sr._createIn(t),r=new Io(n);if(this.mapper.bindElements(t,r),this.downcastDispatcher.conversionApi.options=e,this.downcastDispatcher.convertInsert(i,o),!t.is("documentFragment")){const e=function(t){const e=[],n=t.root.document;if(!n)return[];const o=Sr._createIn(t);for(const t of n.model.markers){const n=o.getIntersection(t.getRange());n&&e.push([t.name,n])}return e}(t);for(const[t,n]of e)this.downcastDispatcher.convertMarkerAdd(t,n,o)}return delete this.downcastDispatcher.conversionApi.options,r}init(t){if(this.model.document.version)throw new xe.a("datacontroller-init-document-not-empty",this);let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new xe.a("datacontroller-init-non-existent-root",this);return this.model.enqueueChange("transparent",(t=>{for(const n of Object.keys(e)){const o=this.model.document.getRoot(n);t.insert(this.parse(e[n],o),o,0)}})),Promise.resolve()}set(t){let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new xe.a("datacontroller-set-non-existent-root",this);this.model.enqueueChange("transparent",(t=>{t.setSelection(null),t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const n of Object.keys(e)){const o=this.model.document.getRoot(n);t.remove(t.createRangeIn(o)),t.insert(this.parse(e[n],o),o,0)}}))}parse(t,e="$root"){const n=this.processor.toView(t);return this.toModel(n,e)}toModel(t,e="$root"){return this.model.change((n=>this.upcastDispatcher.convert(t,n,e)))}addStyleProcessorRules(t){t(this.stylesProcessor)}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t)if(!this.model.document.getRootNames().includes(e))return!1;return!0}}Re(Ps,Un);class Ms{constructor(t,e){this._helpers=new Map,this._downcast=Array.isArray(t)?t:[t],this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=Array.isArray(e)?e:[e],this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(t,e){const n=this._downcast.includes(e);if(!this._upcast.includes(e)&&!n)throw new xe.a("conversion-add-alias-dispatcher-not-registered",this);this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:n})}for(t){if(!this._helpers.has(t))throw new xe.a("conversion-for-unknown-group",this);return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:n}of Is(t))this.for("upcast").elementToElement({model:e,view:n,converterPriority:t.converterPriority})}attributeToElement(t){this.for("downcast").attributeToElement(t);for(const{model:e,view:n}of Is(t))this.for("upcast").elementToAttribute({view:n,model:e,converterPriority:t.converterPriority})}attributeToAttribute(t){this.for("downcast").attributeToAttribute(t);for(const{model:e,view:n}of Is(t))this.for("upcast").attributeToAttribute({view:n,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t))throw new xe.a("conversion-group-exists",this);const o=n?new Gr(e):new is(e);this._helpers.set(t,o)}}function*Is(t){if(t.model.values)for(const e of t.model.values){const n={key:t.model.key,value:e},o=t.view[e],i=t.upcastAlso?t.upcastAlso[e]:void 0;yield*Ns(n,o,i)}else yield*Ns(t.model,t.view,t.upcastAlso)}function*Ns(t,e,n){if(yield{model:t,view:e},n){n=Array.isArray(n)?n:[n];for(const e of n)yield{model:t,view:e}}}class Os{constructor(t="default"){this.operations=[],this.type=t}get baseVersion(){for(const t of this.operations)if(null!==t.baseVersion)return t.baseVersion;return null}addOperation(t){return t.batch=this,this.operations.push(t),t}}class Rs{constructor(t){this.baseVersion=t,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);return t.__className=this.constructor.className,delete t.batch,delete t.isDocumentOperation,t}static get className(){return"Operation"}static fromJSON(t){return new this(t.baseVersion)}}class Ds{constructor(t){this.markers=new Map,this._children=new kr,t&&this._insertChild(0,t)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"===t||"model:documentFragment"===t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}getPath(){return[]}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}offsetToIndex(t){return this._children.offsetToIndex(t)}toJSON(){const t=[];for(const e of this._children)t.push(e.toJSON());return t}static fromJSON(t){const e=[];for(const n of t)n.name?e.push(_r.fromJSON(n)):e.push(br.fromJSON(n));return new Ds(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){return"string"==typeof t?[new br(t)]:(Oe(t)||(t=[t]),Array.from(t).map((t=>"string"==typeof t?new br(t):t instanceof wr?new br(t.data,t.getAttributes()):t)))}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}}function Ls(t,e){const n=(e=js(e)).reduce(((t,e)=>t+e.offsetSize),0),o=t.parent;Fs(t);const i=t.index;return o._insertChild(i,e),Bs(o,i+e.length),Bs(o,i),new Sr(t,t.getShiftedBy(n))}function zs(t){if(!t.isFlat)throw new xe.a("operation-utils-remove-range-not-flat",this);const e=t.start.parent;Fs(t.start),Fs(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);return Bs(e,t.start.index),n}function Vs(t,e){if(!t.isFlat)throw new xe.a("operation-utils-move-range-not-flat",this);const n=zs(t);return Ls(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),n)}function js(t){const e=[];t instanceof Array||(t=[t]);for(let n=0;n<t.length;n++)if("string"==typeof t[n])e.push(new br(t[n]));else if(t[n]instanceof wr)e.push(new br(t[n].data,t[n].getAttributes()));else if(t[n]instanceof Ds||t[n]instanceof kr)for(const o of t[n])e.push(o);else t[n]instanceof pr&&e.push(t[n]);for(let t=1;t<e.length;t++){const n=e[t],o=e[t-1];n instanceof br&&o instanceof br&&Hs(n,o)&&(e.splice(t-1,2,new br(o.data+n.data,o.getAttributes())),t--)}return e}function Bs(t,e){const n=t.getChild(e-1),o=t.getChild(e);if(n&&o&&n.is("$text")&&o.is("$text")&&Hs(n,o)){const i=new br(n.data+o.data,n.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,i)}}function Fs(t){const e=t.textNode,n=t.parent;if(e){const o=t.offset-e.startOffset,i=e.index;n._removeChildren(i,1);const r=new br(e.data.substr(0,o),e.getAttributes()),s=new br(e.data.substr(o),e.getAttributes());n._insertChild(i,[r,s])}}function Hs(t,e){const n=t.getAttributes(),o=e.getAttributes();for(const t of n){if(t[1]!==e.getAttribute(t[0]))return!1;o.next()}return o.next().done}var Us=function(t,e){return Ni(t,e)};class qs extends Rs{constructor(t,e,n,o,i){super(i),this.range=t.clone(),this.key=e,this.oldValue=void 0===n?null:n,this.newValue=void 0===o?null:o}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new qs(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new qs(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const t=super.toJSON();return t.range=this.range.toJSON(),t}_validate(){if(!this.range.isFlat)throw new xe.a("attribute-operation-range-not-flat",this);for(const t of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!Us(t.getAttribute(this.key),this.oldValue))throw new xe.a("attribute-operation-wrong-old-value",this,{item:t,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&t.hasAttribute(this.key))throw new xe.a("attribute-operation-attribute-exists",this,{node:t,key:this.key})}}_execute(){Us(this.oldValue,this.newValue)||function(t,e,n){Fs(t.start),Fs(t.end);for(const o of t.getItems({shallow:!0})){const t=o.is("$textProxy")?o.textNode:o;null!==n?t._setAttribute(e,n):t._removeAttribute(e),Bs(t.parent,t.index)}Bs(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(t,e){return new qs(Sr.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class Ws extends Rs{constructor(t,e){super(null),this.sourcePosition=t.clone(),this.howMany=e}get type(){return"detach"}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t}_validate(){if(this.sourcePosition.root.document)throw new xe.a("detach-operation-on-document-node",this)}_execute(){zs(Sr._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class $s extends Rs{constructor(t,e,n,o){super(o),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toNext",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const t=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new this.constructor(this.getMovedRangeStart(),this.howMany,t,this.baseVersion+1)}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent,n=this.sourcePosition.offset,o=this.targetPosition.offset;if(n+this.howMany>t.maxOffset)throw new xe.a("move-operation-nodes-do-not-exist",this);if(t===e&&n<o&&o<n+this.howMany)throw new xe.a("move-operation-range-into-itself",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==Fe(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=n&&this.targetPosition.path[t]<n+this.howMany)throw new xe.a("move-operation-node-into-itself",this)}}_execute(){Vs(Sr._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t.targetPosition=this.targetPosition.toJSON(),t}static get className(){return"MoveOperation"}static fromJSON(t,e){const n=xr.fromJSON(t.sourcePosition,e),o=xr.fromJSON(t.targetPosition,e);return new this(n,t.howMany,o,t.baseVersion)}}class Ys extends Rs{constructor(t,e,n){super(n),this.position=t.clone(),this.position.stickiness="toNone",this.nodes=new kr(js(e)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const t=new kr([...this.nodes].map((t=>t._clone(!0)))),e=new Ys(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new xr(t,[0]);return new $s(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new xe.a("insert-operation-position-invalid",this)}_execute(){const t=this.nodes;this.nodes=new kr([...t].map((t=>t._clone(!0)))),Ls(this.position,t)}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t.nodes=this.nodes.toJSON(),t}static get className(){return"InsertOperation"}static fromJSON(t,e){const n=[];for(const e of t.nodes)e.name?n.push(_r.fromJSON(e)):n.push(br.fromJSON(e));const o=new Ys(xr.fromJSON(t.position,e),n,t.baseVersion);return o.shouldReceiveAttributes=t.shouldReceiveAttributes,o}}class Gs extends Rs{constructor(t,e,n,o,i,r){super(r),this.name=t,this.oldRange=e?e.clone():null,this.newRange=n?n.clone():null,this.affectsData=i,this._markers=o}get type(){return"marker"}clone(){return new Gs(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new Gs(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const t=this.newRange?"_set":"_remove";this._markers[t](this.name,this.newRange,!0,this.affectsData)}toJSON(){const t=super.toJSON();return this.oldRange&&(t.oldRange=this.oldRange.toJSON()),this.newRange&&(t.newRange=this.newRange.toJSON()),delete t._markers,t}static get className(){return"MarkerOperation"}static fromJSON(t,e){return new Gs(t.name,t.oldRange?Sr.fromJSON(t.oldRange,e):null,t.newRange?Sr.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class Ks extends Rs{constructor(t,e,n,o){super(o),this.position=t,this.position.stickiness="toNext",this.oldName=e,this.newName=n}get type(){return"rename"}clone(){return new Ks(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new Ks(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof _r))throw new xe.a("rename-operation-wrong-position",this);if(t.name!==this.oldName)throw new xe.a("rename-operation-wrong-name",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new Ks(xr.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class Qs extends Rs{constructor(t,e,n,o,i){super(i),this.root=t,this.key=e,this.oldValue=n,this.newValue=o}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new Qs(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Qs(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new xe.a("rootattribute-operation-not-a-root",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new xe.a("rootattribute-operation-wrong-old-value",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new xe.a("rootattribute-operation-attribute-exists",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const t=super.toJSON();return t.root=this.root.toJSON(),t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root))throw new xe.a("rootattribute-operation-fromjson-no-root",this,{rootName:t.root});return new Qs(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class Js extends Rs{constructor(t,e,n,o,i){super(i),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=o.clone()}get type(){return"merge"}get deletionPosition(){return new xr(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Sr(this.sourcePosition,t)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.targetPosition._getTransformedByMergeOperation(this),e=this.sourcePosition.path.slice(0,-1),n=new xr(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),o=new Zs(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return o.insertionPosition=n,o}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!t.parent)throw new xe.a("merge-operation-source-position-invalid",this);if(!e.parent)throw new xe.a("merge-operation-target-position-invalid",this);if(this.howMany!=t.maxOffset)throw new xe.a("merge-operation-how-many-invalid",this)}_execute(){const t=this.sourcePosition.parent;Vs(Sr._createIn(t),this.targetPosition),Vs(Sr._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=t.sourcePosition.toJSON(),t.targetPosition=t.targetPosition.toJSON(),t.graveyardPosition=t.graveyardPosition.toJSON(),t}static get className(){return"MergeOperation"}static fromJSON(t,e){const n=xr.fromJSON(t.sourcePosition,e),o=xr.fromJSON(t.targetPosition,e),i=xr.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,o,i,t.baseVersion)}}class Zs extends Rs{constructor(t,e,n,o){super(o),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=Zs.getInsertionPosition(t),this.insertionPosition.stickiness="toNone",this.graveyardPosition=n?n.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();return t.push(0),new xr(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Sr(this.splitPosition,t)}clone(){const t=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);return t.insertionPosition=this.insertionPosition,t}getReversed(){const t=this.splitPosition.root.document.graveyard,e=new xr(t,[0]);return new Js(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent,e=this.splitPosition.offset;if(!t||t.maxOffset<e)throw new xe.a("split-operation-position-invalid",this);if(!t.parent)throw new xe.a("split-operation-split-in-root",this);if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new xe.a("split-operation-how-many-invalid",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new xe.a("split-operation-graveyard-position-invalid",this)}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)Vs(Sr._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();Ls(this.insertionPosition,e)}Vs(new Sr(xr._createAt(t,this.splitPosition.offset),xr._createAt(t,t.maxOffset)),this.moveTargetPosition)}toJSON(){const t=super.toJSON();return t.splitPosition=this.splitPosition.toJSON(),t.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(t.graveyardPosition=this.graveyardPosition.toJSON()),t}static get className(){return"SplitOperation"}static getInsertionPosition(t){const e=t.path.slice(0,-1);return e[e.length-1]++,new xr(t.root,e)}static fromJSON(t,e){const n=xr.fromJSON(t.splitPosition,e),o=xr.fromJSON(t.insertionPosition,e),i=t.graveyardPosition?xr.fromJSON(t.graveyardPosition,e):null,r=new this(n,t.howMany,i,t.baseVersion);return r.insertionPosition=o,r}}class Xs extends _r{constructor(t,e,n="main"){super(e),this._document=t,this.rootName=n}get document(){return this._document}is(t,e){return e?e===this.name&&("rootElement"===t||"model:rootElement"===t||"element"===t||"model:element"===t):"rootElement"===t||"model:rootElement"===t||"element"===t||"model:element"===t||"node"===t||"model:node"===t}toJSON(){return this.rootName}}class ta{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new br(t,e)}createElement(t,e){return new _r(t,e)}createDocumentFragment(){return new Ds}cloneElement(t,e=!0){return t._clone(e)}insert(t,e,n=0){if(this._assertWriterUsedCorrectly(),t instanceof br&&""==t.data)return;const o=xr._createAt(e,n);if(t.parent){if(ra(t.root,o.root))return void this.move(Sr._createOn(t),o);if(t.root.document)throw new xe.a("model-writer-insert-forbidden-move",this);this.remove(t)}const i=o.root.document?o.root.document.version:null,r=new Ys(o,t,i);if(t instanceof br&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof Ds)for(const[e,n]of t.markers){const t=xr._createAt(n.root,0),i={range:new Sr(n.start._getCombined(t,o),n.end._getCombined(t,o)),usingOperation:!0,affectsData:!0};this.model.markers.has(e)?this.updateMarker(e,i):this.addMarker(e,i)}}insertText(t,e,n,o){e instanceof Ds||e instanceof _r||e instanceof xr?this.insert(this.createText(t),e,n):this.insert(this.createText(t,e),n,o)}insertElement(t,e,n,o){e instanceof Ds||e instanceof _r||e instanceof xr?this.insert(this.createElement(t),e,n):this.insert(this.createElement(t,e),n,o)}append(t,e){this.insert(t,e,"end")}appendText(t,e,n){e instanceof Ds||e instanceof _r?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),n,"end")}appendElement(t,e,n){e instanceof Ds||e instanceof _r?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),n,"end")}setAttribute(t,e,n){if(this._assertWriterUsedCorrectly(),n instanceof Sr){const o=n.getMinimalFlatRanges();for(const n of o)ea(this,t,e,n)}else na(this,t,e,n)}setAttributes(t,e){for(const[n,o]of $e(t))this.setAttribute(n,o,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof Sr){const n=e.getMinimalFlatRanges();for(const e of n)ea(this,t,null,e)}else na(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof Sr)for(const n of t.getItems())e(n);else e(t)}move(t,e,n){if(this._assertWriterUsedCorrectly(),!(t instanceof Sr))throw new xe.a("writer-move-invalid-range",this);if(!t.isFlat)throw new xe.a("writer-move-range-not-flat",this);const o=xr._createAt(e,n);if(o.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!ra(t.root,o.root))throw new xe.a("writer-move-different-document",this);const i=t.root.document?t.root.document.version:null,r=new $s(t.start,t.end.offset-t.start.offset,o,i);this.batch.addOperation(r),this.model.applyOperation(r)}remove(t){this._assertWriterUsedCorrectly();const e=(t instanceof Sr?t:Sr._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers("move",t),ia(t.start,t.end.offset-t.start.offset,this.batch,this.model)}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,n=t.nodeAfter;if(this._addOperationForAffectedMarkers("merge",t),!(e instanceof _r))throw new xe.a("writer-merge-no-element-before",this);if(!(n instanceof _r))throw new xe.a("writer-merge-no-element-after",this);t.root.document?this._merge(t):this._mergeDetached(t)}createPositionFromPath(t,e,n){return this.model.createPositionFromPath(t,e,n)}createPositionAt(t,e){return this.model.createPositionAt(t,e)}createPositionAfter(t){return this.model.createPositionAfter(t)}createPositionBefore(t){return this.model.createPositionBefore(t)}createRange(t,e){return this.model.createRange(t,e)}createRangeIn(t){return this.model.createRangeIn(t)}createRangeOn(t){return this.model.createRangeOn(t)}createSelection(t,e,n){return this.model.createSelection(t,e,n)}_mergeDetached(t){const e=t.nodeBefore,n=t.nodeAfter;this.move(Sr._createIn(n),xr._createAt(e,"end")),this.remove(n)}_merge(t){const e=xr._createAt(t.nodeBefore,"end"),n=xr._createAt(t.nodeAfter,0),o=t.root.document.graveyard,i=new xr(o,[0]),r=t.root.document.version,s=new Js(n,t.nodeAfter.maxOffset,e,i,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof _r))throw new xe.a("writer-rename-not-element-instance",this);const n=t.root.document?t.root.document.version:null,o=new Ks(xr._createBefore(t),t.name,e,n);this.batch.addOperation(o),this.model.applyOperation(o)}split(t,e){this._assertWriterUsedCorrectly();let n,o,i=t.parent;if(!i.parent)throw new xe.a("writer-split-element-no-parent",this);if(e||(e=i.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new xe.a("writer-split-invalid-limit-element",this);do{const e=i.root.document?i.root.document.version:null,r=i.maxOffset-t.offset,s=new Zs(t,r,null,e);this.batch.addOperation(s),this.model.applyOperation(s),n||o||(n=i,o=t.parent.nextSibling),i=(t=this.createPositionAfter(t.parent)).parent}while(i!==e);return{position:t,range:new Sr(xr._createAt(n,"end"),xr._createAt(o,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new xe.a("writer-wrap-range-not-flat",this);const n=e instanceof _r?e:new _r(e);if(n.childCount>0)throw new xe.a("writer-wrap-element-not-empty",this);if(null!==n.parent)throw new xe.a("writer-wrap-element-attached",this);this.insert(n,t.start);const o=new Sr(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(o,xr._createAt(n,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new xe.a("writer-unwrap-element-no-parent",this);this.move(Sr._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||"boolean"!=typeof e.usingOperation)throw new xe.a("writer-addmarker-no-usingoperation",this);const n=e.usingOperation,o=e.range,i=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new xe.a("writer-addmarker-marker-exists",this);if(!o)throw new xe.a("writer-addmarker-no-range",this);return n?(oa(this,t,null,o,i),this.model.markers.get(t)):this.model.markers._set(t,o,n,i)}updateMarker(t,e){this._assertWriterUsedCorrectly();const n="string"==typeof t?t:t.name,o=this.model.markers.get(n);if(!o)throw new xe.a("writer-updatemarker-marker-not-exists",this);if(!e)return void this.model.markers._refresh(o);const i="boolean"==typeof e.usingOperation,r="boolean"==typeof e.affectsData,s=r?e.affectsData:o.affectsData;if(!i&&!e.range&&!r)throw new xe.a("writer-updatemarker-wrong-options",this);const a=o.getRange(),l=e.range?e.range:a;i&&e.usingOperation!==o.managedUsingOperations?e.usingOperation?oa(this,n,null,l,s):(oa(this,n,a,null,s),this.model.markers._set(n,l,void 0,s)):o.managedUsingOperations?oa(this,n,a,l,s):this.model.markers._set(n,l,void 0,s)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new xe.a("writer-removemarker-no-marker",this);const n=this.model.markers.get(e);n.managedUsingOperations?oa(this,e,n.getRange(),null,n.affectsData):this.model.markers._remove(e)}setSelection(t,e,n){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(t,e)}setSelectionAttribute(t,e){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._setSelectionAttribute(t,e);else for(const[e,n]of $e(t))this._setSelectionAttribute(e,n)}removeSelectionAttribute(t){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._removeSelectionAttribute(t);else for(const e of t)this._removeSelectionAttribute(e)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(t){this.model.document.selection._restoreGravity(t)}_setSelectionAttribute(t,e){const n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const o=Ur._getStoreAttributeKey(t);this.setAttribute(o,e,n.anchor.parent)}n._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const n=Ur._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new xe.a("writer-incorrect-use",this)}_addOperationForAffectedMarkers(t,e){for(const n of this.model.markers){if(!n.managedUsingOperations)continue;const o=n.getRange();let i=!1;if("move"===t)i=e.containsPosition(o.start)||e.start.isEqual(o.start)||e.containsPosition(o.end)||e.end.isEqual(o.end);else{const t=e.nodeBefore,n=e.nodeAfter,r=o.start.parent==t&&o.start.isAtEnd,s=o.end.parent==n&&0==o.end.offset,a=o.end.nodeAfter==n,l=o.start.nodeAfter==n;i=r||s||a||l}i&&this.updateMarker(n.name,{range:o})}}}function ea(t,e,n,o){const i=t.model,r=i.document;let s,a,l,c=o.start;for(const t of o.getWalker({shallow:!0}))l=t.item.getAttribute(e),s&&a!=l&&(a!=n&&d(),c=s),s=t.nextPosition,a=l;function d(){const o=new Sr(c,s),l=o.root.document?r.version:null,d=new qs(o,e,a,n,l);t.batch.addOperation(d),i.applyOperation(d)}s instanceof xr&&s!=c&&a!=n&&d()}function na(t,e,n,o){const i=t.model,r=i.document,s=o.getAttribute(e);let a,l;if(s!=n){if(o.root===o){const t=o.document?r.version:null;l=new Qs(o,e,s,n,t)}else{a=new Sr(xr._createBefore(o),t.createPositionAfter(o));const i=a.root.document?r.version:null;l=new qs(a,e,s,n,i)}t.batch.addOperation(l),i.applyOperation(l)}}function oa(t,e,n,o,i){const r=t.model,s=r.document,a=new Gs(e,n,o,r.markers,i,s.version);t.batch.addOperation(a),r.applyOperation(a)}function ia(t,e,n,o){let i;if(t.root.document){const n=o.document,r=new xr(n.graveyard,[0]);i=new $s(t,e,r,n.version)}else i=new Ws(t,e);n.addOperation(i),o.applyOperation(i)}function ra(t,e){return t===e||t instanceof Xs&&e instanceof Xs}class sa{constructor(t){this._markerCollection=t,this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size}refreshItem(t){if(this._isInInsertedElement(t.parent))return;this._markRemove(t.parent,t.startOffset,t.offsetSize),this._markInsert(t.parent,t.startOffset,t.offsetSize);const e=Sr._createOn(t);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}this._cachedChanges=null}bufferOperation(t){switch(t.type){case"insert":if(this._isInInsertedElement(t.position.parent))return;this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const e of t.range.getItems({shallow:!0}))this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),n=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),n||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=Sr._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const o=t.targetPosition.parent;this._isInInsertedElement(o)||this._markInsert(o,t.targetPosition.offset,e.maxOffset);break}}this._cachedChanges=null}bufferMarkerChange(t,e,n,o){const i=this._changedMarkers.get(t);i?(i.newRange=n,i.affectsData=o,null==i.oldRange&&null==i.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:n,affectsData:o})}getMarkersToRemove(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.oldRange&&t.push({name:e,range:n.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.newRange&&t.push({name:e,range:n.newRange});return t}getChangedMarkers(){return Array.from(this._changedMarkers).map((t=>({name:t[0],data:{oldRange:t[1].oldRange,newRange:t[1].newRange}})))}hasDataChanges(){for(const[,t]of this._changedMarkers)if(t.affectsData)return!0;return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:!1}){if(this._cachedChanges)return t.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();const e=[];for(const t of this._changesInElement.keys()){const n=this._changesInElement.get(t).sort(((t,e)=>t.offset===e.offset?t.type!=e.type?"remove"==t.type?-1:1:0:t.offset<e.offset?-1:1)),o=this._elementSnapshots.get(t),i=aa(t.getChildren()),r=la(o.length,n);let s=0,a=0;for(const n of r)if("i"===n)e.push(this._getInsertDiff(t,s,i[s].name)),s++;else if("r"===n)e.push(this._getRemoveDiff(t,s,o[a].name)),a++;else if("a"===n){const n=i[s].attributes,r=o[a].attributes;let l;if("$text"==i[s].name)l=new Sr(xr._createAt(t,s),xr._createAt(t,s+1));else{const e=t.offsetToIndex(s);l=new Sr(xr._createAt(t,s),xr._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(l,r,n)),s++,a++}else s++,a++}e.sort(((t,e)=>t.position.root!=e.position.root?t.position.root.rootName<e.position.root.rootName?-1:1:t.position.isEqual(e.position)?t.changeCount-e.changeCount:t.position.isBefore(e.position)?-1:1));for(let t=1;t<e.length;t++){const n=e[t-1],o=e[t],i="remove"==n.type&&"remove"==o.type&&"$text"==n.name&&"$text"==o.name&&n.position.isEqual(o.position),r="insert"==n.type&&"insert"==o.type&&"$text"==n.name&&"$text"==o.name&&n.position.parent==o.position.parent&&n.position.offset+n.length==o.position.offset,s="attribute"==n.type&&"attribute"==o.type&&n.position.parent==o.position.parent&&n.range.isFlat&&o.range.isFlat&&n.position.offset+n.length==o.position.offset&&n.attributeKey==o.attributeKey&&n.attributeOldValue==o.attributeOldValue&&n.attributeNewValue==o.attributeNewValue;(i||r||s)&&(e[t-1].length++,s&&(e[t-1].range.end=e[t-1].range.end.getShiftedBy(1)),e.splice(t,1),t--)}for(const t of e)delete t.changeCount,"attribute"==t.type&&(delete t.position,delete t.length);return this._changeCount=0,this._cachedChangesWithGraveyard=e.slice(),this._cachedChanges=e.slice().filter(ca),t.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(t,e,n){const o={type:"insert",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,o)}_markRemove(t,e,n){const o={type:"remove",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,o),this._removeAllNestedChanges(t,e,n)}_markAttribute(t){const e={type:"attribute",offset:t.startOffset,howMany:t.offsetSize,count:this._changeCount++};this._markChange(t.parent,e)}_markChange(t,e){this._makeSnapshot(t);const n=this._getChangesForElement(t);this._handleChange(e,n),n.push(e);for(let t=0;t<n.length;t++)n[t].howMany<1&&(n.splice(t,1),t--)}_getChangesForElement(t){let e;return this._changesInElement.has(t)?e=this._changesInElement.get(t):(e=[],this._changesInElement.set(t,e)),e}_makeSnapshot(t){this._elementSnapshots.has(t)||this._elementSnapshots.set(t,aa(t.getChildren()))}_handleChange(t,e){t.nodesToHandle=t.howMany;for(const n of e){const o=t.offset+t.howMany,i=n.offset+n.howMany;if("insert"==t.type&&("insert"==n.type&&(t.offset<=n.offset?n.offset+=t.howMany:t.offset<i&&(n.howMany+=t.nodesToHandle,t.nodesToHandle=0)),"remove"==n.type&&t.offset<n.offset&&(n.offset+=t.howMany),"attribute"==n.type))if(t.offset<=n.offset)n.offset+=t.howMany;else if(t.offset<i){const i=n.howMany;n.howMany=t.offset-n.offset,e.unshift({type:"attribute",offset:o,howMany:i-n.howMany,count:this._changeCount++})}if("remove"==t.type){if("insert"==n.type)if(o<=n.offset)n.offset-=t.howMany;else if(o<=i)if(t.offset<n.offset){const e=o-n.offset;n.offset=t.offset,n.howMany-=e,t.nodesToHandle-=e}else n.howMany-=t.nodesToHandle,t.nodesToHandle=0;else if(t.offset<=n.offset)t.nodesToHandle-=n.howMany,n.howMany=0;else if(t.offset<i){const e=i-t.offset;n.howMany-=e,t.nodesToHandle-=e}if("remove"==n.type&&(o<=n.offset?n.offset-=t.howMany:t.offset<n.offset&&(t.nodesToHandle+=n.howMany,n.howMany=0)),"attribute"==n.type)if(o<=n.offset)n.offset-=t.howMany;else if(t.offset<n.offset){const e=o-n.offset;n.offset=t.offset,n.howMany-=e}else if(t.offset<i)if(o<=i){const o=n.howMany;n.howMany=t.offset-n.offset;const i=o-n.howMany-t.nodesToHandle;e.unshift({type:"attribute",offset:t.offset,howMany:i,count:this._changeCount++})}else n.howMany-=i-t.offset}if("attribute"==t.type){if("insert"==n.type)if(t.offset<n.offset&&o>n.offset){if(o>i){const t={type:"attribute",offset:i,howMany:o-i,count:this._changeCount++};this._handleChange(t,e),e.push(t)}t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}else t.offset>=n.offset&&t.offset<i&&(o>i?(t.nodesToHandle=o-i,t.offset=i):t.nodesToHandle=0);if("remove"==n.type&&t.offset<n.offset&&o>n.offset){const i={type:"attribute",offset:n.offset,howMany:o-n.offset,count:this._changeCount++};this._handleChange(i,e),e.push(i),t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}"attribute"==n.type&&(t.offset>=n.offset&&o<=i?(t.nodesToHandle=0,t.howMany=0,t.offset=0):t.offset<=n.offset&&o>=i&&(n.howMany=0))}}t.howMany=t.nodesToHandle,delete t.nodesToHandle}_getInsertDiff(t,e,n){return{type:"insert",position:xr._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:"remove",position:xr._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,n){const o=[];n=new Map(n);for(const[i,r]of e){const e=n.has(i)?n.get(i):null;e!==r&&o.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:i,attributeOldValue:r,attributeNewValue:e,changeCount:this._changeCount++}),n.delete(i)}for(const[e,i]of n)o.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:i,changeCount:this._changeCount++});return o}_isInInsertedElement(t){const e=t.parent;if(!e)return!1;const n=this._changesInElement.get(e),o=t.startOffset;if(n)for(const t of n)if("insert"==t.type&&o>=t.offset&&o<t.offset+t.howMany)return!0;return this._isInInsertedElement(e)}_removeAllNestedChanges(t,e,n){const o=new Sr(xr._createAt(t,e),xr._createAt(t,e+n));for(const t of o.getItems({shallow:!0}))t.is("element")&&(this._elementSnapshots.delete(t),this._changesInElement.delete(t),this._removeAllNestedChanges(t,0,t.maxOffset))}}function aa(t){const e=[];for(const n of t)if(n.is("$text"))for(let t=0;t<n.data.length;t++)e.push({name:"$text",attributes:new Map(n.getAttributes())});else e.push({name:n.name,attributes:new Map(n.getAttributes())});return e}function la(t,e){const n=[];let o=0,i=0;for(const t of e){if(t.offset>o){for(let e=0;e<t.offset-o;e++)n.push("e");i+=t.offset-o}if("insert"==t.type){for(let e=0;e<t.howMany;e++)n.push("i");o=t.offset+t.howMany}else if("remove"==t.type){for(let e=0;e<t.howMany;e++)n.push("r");o=t.offset,i+=t.howMany}else n.push(..."a".repeat(t.howMany).split("")),o=t.offset+t.howMany,i+=t.howMany}if(i<t)for(let e=0;e<t-i-o;e++)n.push("e");return n}function ca(t){const e=t.position&&"$graveyard"==t.position.root.rootName,n=t.range&&"$graveyard"==t.range.root.rootName;return!e&&!n}class da{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=Number.NEGATIVE_INFINITY,e=Number.POSITIVE_INFINITY){const n=[];for(const o of this._operations)o.baseVersion>=t&&o.baseVersion<e&&n.push(o);return n}getOperation(t){for(const e of this._operations)if(e.baseVersion==t)return e}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function ua(t,e){return!!(n=t.charAt(e-1))&&1==n.length&&/[\ud800-\udbff]/.test(n)&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e));var n}function ha(t,e){return!!(n=t.charAt(e))&&1==n.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(n);var n}class fa{constructor(t){this.model=t,this.version=0,this.history=new da(this),this.selection=new Ur(this),this.roots=new De({idProperty:"rootName"}),this.differ=new sa(t.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root","$graveyard"),this.listenTo(t,"applyOperation",((t,e)=>{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new xe.a("model-document-applyoperation-wrong-version",this,{operation:n})}),{priority:"highest"}),this.listenTo(t,"applyOperation",((t,e)=>{const n=e[0];n.isDocumentOperation&&this.differ.bufferOperation(n)}),{priority:"high"}),this.listenTo(t,"applyOperation",((t,e)=>{const n=e[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))}),{priority:"low"}),this.listenTo(this.selection,"change",(()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0})),this.listenTo(t.markers,"update",((t,e,n,o)=>{this.differ.bufferMarkerChange(e.name,n,o,e.affectsData),null===n&&e.on("change",((t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)}))}))}get graveyard(){return this.getRoot("$graveyard")}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new xe.a("model-document-createroot-name-exists",this,{name:e});const n=new Xs(this,t,e);return this.roots.add(n),n}destroy(){this.selection.destroy(),this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,(t=>t.rootName)).filter((t=>"$graveyard"!=t))}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=He(this);return t.selection="[engine.model.DocumentSelection]",t.model="[engine.model.Model]",t}_handleChangeBlock(t){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(t),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",t.batch):this.fire("change",t.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){for(const t of this.roots)if(t!==this.graveyard)return t;return this.graveyard}_getDefaultRange(){const t=this._getDefaultRoot(),e=this.model,n=e.schema,o=e.createPositionFromPath(t,[0]);return n.getNearestSelectionRange(o)||e.createRange(o)}_validateSelectionRange(t){return ma(t.start)&&ma(t.end)}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(this.selection.refresh(),e=n(t),e)break}while(e)}}function ma(t){const e=t.textNode;if(e){const n=e.data,o=t.offset-e.startOffset;return!ua(n,o)&&!ha(n,o)}return!0}Re(fa,Te);class ga{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){return this._markers.has(t)}get(t){return this._markers.get(t)||null}_set(t,e,n=!1,o=!1){const i=t instanceof pa?t.name:t;if(i.includes(","))throw new xe.a("markercollection-incorrect-marker-name",this);const r=this._markers.get(i);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(Br.fromRange(e)),s=!0),n!=r.managedUsingOperations&&(r._managedUsingOperations=n,s=!0),"boolean"==typeof o&&o!=r.affectsData&&(r._affectsData=o,s=!0),s&&this.fire("update:"+i,r,t,e),r}const s=Br.fromRange(e),a=new pa(i,s,n,o);return this._markers.set(i,a),this.fire("update:"+i,a,null,e),a}_remove(t){const e=t instanceof pa?t.name:t,n=this._markers.get(e);return!!n&&(this._markers.delete(e),this.fire("update:"+e,n,n.getRange(),null),this._destroyMarker(n),!0)}_refresh(t){const e=t instanceof pa?t.name:t,n=this._markers.get(e);if(!n)throw new xe.a("markercollection-refresh-marker-not-exists",this);const o=n.getRange();this.fire("update:"+e,n,o,o,n.managedUsingOperations,n.affectsData)}*getMarkersAtPosition(t){for(const e of this)e.getRange().containsPosition(t)&&(yield e)}*getMarkersIntersectingRange(t){for(const e of this)null!==e.getRange().getIntersection(t)&&(yield e)}destroy(){for(const t of this._markers.values())this._destroyMarker(t);this._markers=null,this.stopListening()}*getMarkersGroup(t){for(const e of this._markers.values())e.name.startsWith(t+":")&&(yield e)}_destroyMarker(t){t.stopListening(),t._detachLiveRange()}}Re(ga,Te);class pa{constructor(t,e,n,o){this.name=t,this._liveRange=this._attachLiveRange(e),this._managedUsingOperations=n,this._affectsData=o}get managedUsingOperations(){if(!this._liveRange)throw new xe.a("marker-destroyed",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new xe.a("marker-destroyed",this);return this._affectsData}getStart(){if(!this._liveRange)throw new xe.a("marker-destroyed",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new xe.a("marker-destroyed",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new xe.a("marker-destroyed",this);return this._liveRange.toRange()}is(t){return"marker"===t||"model:marker"===t}_attachLiveRange(t){return this._liveRange&&this._detachLiveRange(),t.delegate("change:range").to(this),t.delegate("change:content").to(this),this._liveRange=t,t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}Re(pa,Te);class ba extends Rs{get type(){return"noop"}clone(){return new ba(this.baseVersion)}getReversed(){return new ba(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const wa={};wa[qs.className]=qs,wa[Ys.className]=Ys,wa[Gs.className]=Gs,wa[$s.className]=$s,wa[ba.className]=ba,wa[Rs.className]=Rs,wa[Ks.className]=Ks,wa[Qs.className]=Qs,wa[Zs.className]=Zs,wa[Js.className]=Js;class ka extends xr{constructor(t,e,n="toNone"){if(super(t,e,n),!this.root.is("rootElement"))throw new xe.a("model-liveposition-root-not-rootelement",t);_a.call(this)}detach(){this.stopListening()}is(t){return"livePosition"===t||"model:livePosition"===t||"position"==t||"model:position"===t}toPosition(){return new xr(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}function _a(){this.listenTo(this.root.document.model,"applyOperation",((t,e)=>{const n=e[0];n.isDocumentOperation&&va.call(this,n)}),{priority:"low"})}function va(t){const e=this.getTransformedByOperation(t);if(!this.isEqual(e)){const t=this.toPosition();this.path=e.path,this.root=e.root,this.fire("change",t)}}Re(ka,Te);class ya{constructor(t,e,n){this.model=t,this.writer=e,this.position=n,this.canMergeWith=new Set([this.position.parent]),this.schema=t.schema,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null}handleNodes(t,e){t=Array.from(t);for(let n=0;n<t.length;n++){const o=t[n];this._handleNode(o,{isFirst:0===n&&e.isFirst,isLast:n===t.length-1&&e.isLast})}this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?Sr._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new Sr(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(t,e){this.schema.isObject(t)?this._handleObject(t,e):this._checkAndSplitToAllowedPosition(t,e)?(this._insert(t),this._mergeSiblingsOf(t,e)):this._handleDisallowedNode(t,e)}_handleObject(t,e){this._checkAndSplitToAllowedPosition(t)?this._insert(t):this._tryAutoparagraphing(t,e)}_handleDisallowedNode(t,e){t.is("element")?this.handleNodes(t.getChildren(),e):this._tryAutoparagraphing(t,e)}_insert(t){if(!this.schema.checkChild(this.position,t))throw new xe.a("insertcontent-wrong-position",this,{node:t,position:this.position});const e=ka.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this.writer.insert(t,this.position),this.position=e.toPosition(),e.detach(),this.schema.isObject(t)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=t:this.nodeToSelect=null,this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){this._affectedStart||(this._affectedStart=ka.fromPosition(t,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=ka.fromPosition(t,"toNext"))}_mergeSiblingsOf(t,e){if(!(t instanceof _r))return;const n=this._canMergeLeft(t,e),o=this._canMergeRight(t,e),i=ka._createBefore(t);i.stickiness="toNext";const r=ka._createAfter(t);if(r.stickiness="toNext",n){const t=ka.fromPosition(this.position);t.stickiness="toNext",this._affectedStart.isEqual(i)&&(this._affectedStart.detach(),this._affectedStart=ka._createAt(i.nodeBefore,"end","toPrevious")),this.writer.merge(i),i.isEqual(this._affectedEnd)&&e.isLast&&(this._affectedEnd.detach(),this._affectedEnd=ka._createAt(i.nodeBefore,"end","toNext")),this.position=t.toPosition(),t.detach()}if(o){if(!this.position.isEqual(r))throw new xe.a("insertcontent-invalid-insertion-position",this);this.position=xr._createAt(r.nodeBefore,"end");const t=ka.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(r)&&(this._affectedEnd.detach(),this._affectedEnd=ka._createAt(r.nodeBefore,"end","toNext")),this.writer.merge(r),r.getShiftedBy(-1).isEqual(this._affectedStart)&&e.isFirst&&(this._affectedStart.detach(),this._affectedStart=ka._createAt(r.nodeBefore,0,"toPrevious")),this.position=t.toPosition(),t.detach()}(n||o)&&this._filterAttributesOf.push(this.position.parent),i.detach(),r.detach()}_canMergeLeft(t,e){const n=t.previousSibling;return e.isFirst&&n instanceof _r&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(n,t)}_canMergeRight(t,e){const n=t.nextSibling;return e.isLast&&n instanceof _r&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(t,n)}_tryAutoparagraphing(t,e){const n=this.writer.createElement("paragraph");this._getAllowedIn(n,this.position.parent)&&this.schema.checkChild(n,t)&&(n._appendChild(t),this._handleNode(n,e))}_checkAndSplitToAllowedPosition(t){const e=this._getAllowedIn(t,this.position.parent);if(!e)return!1;for(;e!=this.position.parent;){if(this.schema.isLimit(this.position.parent))return!1;if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t),t.isEmpty&&t.parent===e&&this.writer.remove(t)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const t=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=t,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(t,e){return this.schema.checkChild(e,t)?e:e.parent?this._getAllowedIn(t,e.parent):null}}function xa(t,e,n){const o=e.parent,i=n.parent;return o!=i&&!t.isLimit(o)&&!t.isLimit(i)&&function(t,e,n){const o=new Sr(t,e);for(const t of o.getWalker())if(n.isLimit(t.item))return!1;return!0}(e,n,t)}function Aa(t,e,n){const o=t.createElement("paragraph");t.insert(o,e),Ca(t,n,t.createPositionAt(o,0))}function Ca(t,e,n){e instanceof Ur?t.setSelection(n):e.setTo(n)}function Ta(t,e){const{isForward:n,walker:o,unit:i,schema:r}=t,{type:s,item:a,nextPosition:l}=e;if("text"==s)return"word"===t.unit?function(t,e){let n=t.position.textNode;if(n){let o=t.position.offset-n.startOffset;for(;!Ea(n.data,o,e)&&!Pa(n,o,e);){t.next();const i=e?t.position.nodeAfter:t.position.nodeBefore;if(i&&i.is("$text")){const o=i.data.charAt(e?0:i.data.length-1);' ,.?!:;"-()'.includes(o)||(t.next(),n=t.position.textNode)}o=t.position.offset-n.startOffset}}return t.position}(o,n):function(t,e){const n=t.position.textNode;if(n){const o=n.data;let i=t.position.offset-n.startOffset;for(;ua(o,i)||"character"==e&&ha(o,i);)t.next(),i=t.position.offset-n.startOffset}return t.position}(o,i);if(s==(n?"elementStart":"elementEnd")){if(r.isSelectable(a))return xr._createAt(a,n?"after":"before");if(r.checkChild(l,"$text"))return l}else{if(r.isLimit(a))return void o.skip((()=>!0));if(r.checkChild(l,"$text"))return l}}function Sa(t,e){const n=t.root,o=xr._createAt(n,e?"end":0);return e?new Sr(t,o):new Sr(o,t)}function Ea(t,e,n){const o=e+(n?0:-1);return' ,.?!:;"-()'.includes(t.charAt(o))}function Pa(t,e,n){return e===(n?t.endOffset:0)}function Ma(t,e){const n=[];Array.from(t.getItems({direction:"backward"})).map((t=>e.createRangeOn(t))).filter((e=>(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end)))).forEach((t=>{n.push(t.start.parent),e.remove(t)})),n.forEach((t=>{let n=t;for(;n.parent&&n.isEmpty;){const t=e.createRangeOn(n);n=n.parent,e.remove(t)}}))}function Ia(t,e){return t.isCollapsed?function(t,e){const n=t.start,o=e.getNearestSelectionRange(n);if(!o)return null;if(!o.isCollapsed)return o;const i=o.start;return n.isEqual(i)?null:new Sr(i)}(t,e):function(t,e){const{start:n,end:o}=t,i=e.checkChild(n,"$text"),r=e.checkChild(o,"$text"),s=e.getLimitElement(n),a=e.getLimitElement(o);if(s===a){if(i&&r)return null;if(function(t,e,n){const o=t.nodeAfter&&!n.isLimit(t.nodeAfter)||n.checkChild(t,"$text"),i=e.nodeBefore&&!n.isLimit(e.nodeBefore)||n.checkChild(e,"$text");return o||i}(n,o,e)){const t=n.nodeAfter&&e.isSelectable(n.nodeAfter)?null:e.getNearestSelectionRange(n,"forward"),i=o.nodeBefore&&e.isSelectable(o.nodeBefore)?null:e.getNearestSelectionRange(o,"backward"),r=t?t.start:n,s=i?i.start:o;return new Sr(r,s)}}const l=s&&!s.is("rootElement"),c=a&&!a.is("rootElement");if(l||c){const t=n.nodeAfter&&o.nodeBefore&&n.nodeAfter.parent===o.nodeBefore.parent,i=l&&(!t||!Oa(n.nodeAfter,e)),r=c&&(!t||!Oa(o.nodeBefore,e));let d=n,u=o;return i&&(d=xr._createBefore(Na(s,e))),r&&(u=xr._createAfter(Na(a,e))),new Sr(d,u)}return null}(t,e)}function Na(t,e){let n=t,o=n;for(;e.isLimit(o)&&o.parent;)n=o,o=o.parent;return n}function Oa(t,e){return t&&e.isSelectable(t)}class Ra{constructor(){this.markers=new ga,this.document=new fa(this),this.schema=new gs,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach((t=>this.decorate(t))),this.on("applyOperation",((t,e)=>{e[0]._validate()}),{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$block",{allowIn:"$root",isBlock:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0,isContent:!0}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:!0}),this.schema.extend("$text",{allowIn:"$clipboardHolder"}),this.schema.register("$marker"),this.schema.addChildCheck(((t,e)=>{if("$marker"===e.name)return!0})),function(t){t.document.registerPostFixer((e=>function(t,e){const n=e.document.selection,o=e.schema,i=[];let r=!1;for(const t of n.getRanges()){const e=Ia(t,o);e&&!e.isEqual(t)?(i.push(e),r=!0):i.push(t)}r&&t.setSelection(function(t){const e=[];e.push(t.shift());for(const n of t){const t=e.pop();if(n.isIntersecting(t)){const o=t.start.isAfter(n.start)?n.start:t.start,i=t.end.isAfter(n.end)?t.end:n.end,r=new Sr(o,i);e.push(r)}else e.push(t),e.push(n)}return e}(i),{backward:n.isBackward})}(e,t)))}(this),this.document.registerPostFixer(es)}change(t){try{return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new Os,callback:t}),this._runPendingChanges()[0]):t(this._currentWriter)}catch(t){xe.a.rethrowUnexpectedError(t,this)}}enqueueChange(t,e){try{"string"==typeof t?t=new Os(t):"function"==typeof t&&(e=t,t=new Os),this._pendingChanges.push({batch:t,callback:e}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(t){xe.a.rethrowUnexpectedError(t,this)}}applyOperation(t){t._execute()}insertContent(t,e,n){return function(t,e,n,o){return t.change((i=>{let r;r=n?n instanceof Dr||n instanceof Ur?n:i.createSelection(n,o):t.document.selection,r.isCollapsed||t.deleteContent(r,{doNotAutoparagraph:!0});const s=new ya(t,i,r.anchor);let a;a=e.is("documentFragment")?e.getChildren():[e],s.handleNodes(a,{isFirst:!0,isLast:!0});const l=s.getSelectionRange();l&&(r instanceof Ur?i.setSelection(l):r.setTo(l));const c=s.getAffectedRange()||t.createRange(r.anchor);return s.destroy(),c}))}(this,t,e,n)}deleteContent(t,e){!function(t,e,n={}){if(e.isCollapsed)return;const o=e.getFirstRange();if("$graveyard"==o.root.rootName)return;const i=t.schema;t.change((t=>{if(!n.doNotResetEntireContent&&function(t,e){const n=t.getLimitElement(e);if(!e.containsEntireContent(n))return!1;const o=e.getFirstRange();return o.start.parent!=o.end.parent&&t.checkChild(n,"paragraph")}(i,e))return void function(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n)),Aa(t,t.createPositionAt(n,0),e)}(t,e);const[r,s]=function(t){const e=t.root.document.model,n=t.start;let o=t.end;if(e.hasContent(t,{ignoreMarkers:!0})){const n=function(t){const e=t.parent,n=e.root.document.model.schema,o=e.getAncestors({parentFirst:!0,includeSelf:!0});for(const t of o){if(n.isLimit(t))return null;if(n.isBlock(t))return t}}(o);if(n&&o.isTouching(e.createPositionAt(n,0))){const n=e.createSelection(t);e.modifySelection(n,{direction:"backward"}),o=n.getLastPosition()}}return[ka.fromPosition(n,"toPrevious"),ka.fromPosition(o,"toNext")]}(o);r.isTouching(s)||t.remove(t.createRange(r,s)),n.leaveUnmerged||(function(t,e,n){const o=t.model;if(!xa(t.model.schema,e,n))return;const[i,r]=function(t,e){const n=t.getAncestors(),o=e.getAncestors();let i=0;for(;n[i]&&n[i]==o[i];)i++;return[n[i],o[i]]}(e,n);!o.hasContent(i,{ignoreMarkers:!0})&&o.hasContent(r,{ignoreMarkers:!0})?function t(e,n,o,i){const r=n.parent,s=o.parent;if(r!=i&&s!=i){for(n=e.createPositionAfter(r),(o=e.createPositionBefore(s)).isEqual(n)||e.insert(r,o);n.parent.isEmpty;){const t=n.parent;n=e.createPositionBefore(t),e.remove(t)}o=e.createPositionBefore(s),function(t,e){const n=e.nodeBefore,o=e.nodeAfter;n.name!=o.name&&t.rename(n,o.name),t.clearAttributes(n),t.setAttributes(Object.fromEntries(o.getAttributes()),n),t.merge(e)}(e,o),xa(e.model.schema,n,o)&&t(e,n,o,i)}}(t,e,n,i.parent):function t(e,n,o,i){const r=n.parent,s=o.parent;if(r!=i&&s!=i){for(n=e.createPositionAfter(r),(o=e.createPositionBefore(s)).isEqual(n)||e.insert(s,n),e.merge(n);o.parent.isEmpty;){const t=o.parent;o=e.createPositionBefore(t),e.remove(t)}xa(e.model.schema,n,o)&&t(e,n,o,i)}}(t,e,n,i.parent)}(t,r,s),i.removeDisallowedAttributes(r.parent.getChildren(),t)),Ca(t,e,r),!n.doNotAutoparagraph&&function(t,e){const n=t.checkChild(e,"$text"),o=t.checkChild(e,"paragraph");return!n&&o}(i,r)&&Aa(t,r,e),r.detach(),s.detach()}))}(this,t,e)}modifySelection(t,e){!function(t,e,n={}){const o=t.schema,i="backward"!=n.direction,r=n.unit?n.unit:"character",s=e.focus,a=new vr({boundaries:Sa(s,i),singleCharacters:!0,direction:i?"forward":"backward"}),l={walker:a,schema:o,isForward:i,unit:r};let c;for(;c=a.next();){if(c.done)return;const n=Ta(l,c.value);if(n)return void(e instanceof Ur?t.change((t=>{t.setSelectionFocus(n)})):e.setFocus(n))}}(this,t,e)}getSelectedContent(t){return function(t,e){return t.change((t=>{const n=t.createDocumentFragment(),o=e.getFirstRange();if(!o||o.isCollapsed)return n;const i=o.start.root,r=o.start.getCommonPath(o.end),s=i.getNodeByPath(r);let a;a=o.start.parent==o.end.parent?o:t.createRange(t.createPositionAt(s,o.start.path[r.length]),t.createPositionAt(s,o.end.path[r.length]+1));const l=a.end.offset-a.start.offset;for(const e of a.getItems({shallow:!0}))e.is("$textProxy")?t.appendText(e.data,e.getAttributes(),n):t.append(t.cloneElement(e,!0),n);if(a!=o){const e=o._getTransformedByMove(a.start,t.createPositionAt(n,0),l)[0],i=t.createRange(t.createPositionAt(n,0),e.start);Ma(t.createRange(e.end,t.createPositionAt(n,"end")),t),Ma(i,t)}return n}))}(this,t)}hasContent(t,e={}){const n=t instanceof _r?Sr._createIn(t):t;if(n.isCollapsed)return!1;const{ignoreWhitespaces:o=!1,ignoreMarkers:i=!1}=e;if(!i)for(const t of this.markers.getMarkersIntersectingRange(n))if(t.affectsData)return!0;for(const t of n.getItems())if(this.schema.isContent(t)){if(!t.is("$textProxy"))return!0;if(!o)return!0;if(-1!==t.data.search(/\S/))return!0}return!1}createPositionFromPath(t,e,n){return new xr(t,e,n)}createPositionAt(t,e){return xr._createAt(t,e)}createPositionAfter(t){return xr._createAfter(t)}createPositionBefore(t){return xr._createBefore(t)}createRange(t,e){return new Sr(t,e)}createRangeIn(t){return Sr._createIn(t)}createRangeOn(t){return Sr._createOn(t)}createSelection(t,e,n){return new Dr(t,e,n)}createBatch(t){return new Os(t)}createOperationFromJSON(t){return class{static fromJSON(t,e){return wa[t.__className].fromJSON(t,e)}}.fromJSON(t,this.document)}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const t=[];for(this.fire("_beforeChanges");this._pendingChanges.length;){const e=this._pendingChanges[0].batch;this._currentWriter=new ta(this,e);const n=this._pendingChanges[0].callback(this._currentWriter);t.push(n),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),t}}Re(Ra,Un);class Da{constructor(){this._listener=Object.create(pi)}listenTo(t){this._listener.listenTo(t,"keydown",((t,e)=>{this._listener.fire("_keydown:"+_o(e),e)}))}set(t,e,n={}){const o=vo(t),i=n.priority;this._listener.listenTo(this._listener,"_keydown:"+o,((t,n)=>{e(n,(()=>{n.preventDefault(),n.stopPropagation(),t.stop()})),t.return=!0}),{priority:i})}press(t){return!!this._listener.fire("_keydown:"+_o(t),t)}destroy(){this._listener.stopListening()}}class La extends Da{constructor(t){super(),this.editor=t}set(t,e,n={}){if("string"==typeof e){const t=e;e=(e,n)=>{this.editor.execute(t),n()}}super.set(t,e,n)}}class za{constructor(t={}){this._context=t.context||new Be({language:t.language}),this._context._addEditor(this,!t.context);const e=Array.from(this.constructor.builtinPlugins||[]);this.config=new pe(t,this.constructor.defaultConfig),this.config.define("plugins",e),this.config.define(this._context._getEditorConfig()),this.plugins=new Le(this,e,this._context.plugins),this.locale=this._context.locale,this.t=this.locale.t,this.commands=new hs,this.set("state","initializing"),this.once("ready",(()=>this.state="ready"),{priority:"high"}),this.once("destroy",(()=>this.state="destroyed"),{priority:"high"}),this.set("isReadOnly",!1),this.model=new Ra;const n=new In;this.data=new Ps(this.model,n),this.editing=new us(this.model,n),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new Ms([this.editing.downcastDispatcher,this.data.downcastDispatcher],this.data.upcastDispatcher),this.conversion.addAlias("dataDowncast",this.data.downcastDispatcher),this.conversion.addAlias("editingDowncast",this.editing.downcastDispatcher),this.keystrokes=new La(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config,e=t.get("plugins"),n=t.get("removePlugins")||[],o=t.get("extraPlugins")||[];return this.plugins.init(e.concat(o),n)}destroy(){let t=Promise.resolve();return"initializing"==this.state&&(t=new Promise((t=>this.once("ready",t)))),t.then((()=>{this.fire("destroy"),this.stopListening(),this.commands.destroy()})).then((()=>this.plugins.destroy())).then((()=>{this.model.destroy(),this.data.destroy(),this.editing.destroy(),this.keystrokes.destroy()})).then((()=>this._context._removeEditor(this)))}execute(...t){try{return this.commands.execute(...t)}catch(t){xe.a.rethrowUnexpectedError(t,this)}}}Re(za,Un);var Va={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};class ja{getHtml(t){const e=document.implementation.createHTMLDocument("").createElement("div");return e.appendChild(t),e.innerHTML}}class Ba{constructor(t){this._domParser=new DOMParser,this._domConverter=new ui(t,{blockFillerMode:"nbsp"}),this._htmlWriter=new ja}toData(t){const e=this._domConverter.viewToDom(t,document);return this._htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this._domConverter.domToView(e)}_toDom(t){const e=this._domParser.parseFromString(t,"text/html"),n=e.createDocumentFragment(),o=e.body.childNodes;for(;o.length>0;)n.appendChild(o[0]);return n}}class Fa{constructor(t){this.editor=t,this._components=new Map}*names(){for(const t of this._components.values())yield t.originalName}add(t,e){this._components.set(Ha(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new xe.a("componentfactory-item-missing",this,{name:t});return this._components.get(Ha(t)).callback(this.editor.locale)}has(t){return this._components.has(Ha(t))}}function Ha(t){return String(t).toLowerCase()}class Ua{constructor(){this.set("isFocused",!1),this.set("focusedElement",null),this._elements=new Set,this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t))throw new xe.a("focustracker-add-element-already-exist",this);this.listenTo(t,"focus",(()=>this._focus(t)),{useCapture:!0}),this.listenTo(t,"blur",(()=>this._blur()),{useCapture:!0}),this._elements.add(t)}remove(t){t===this.focusedElement&&this._blur(t),this._elements.has(t)&&(this.stopListening(t),this._elements.delete(t))}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=t,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout((()=>{this.focusedElement=null,this.isFocused=!1}),0)}}Re(Ua,pi),Re(Ua,Un);class qa{constructor(t){this.editor=t,this.componentFactory=new Fa(t),this.focusTracker=new Ua,this._editableElementsMap=new Map,this.listenTo(t.editing.view.document,"layoutChanged",(()=>this.update()))}get element(){return null}update(){this.fire("update")}destroy(){this.stopListening(),this.focusTracker.destroy();for(const t of this._editableElementsMap.values())t.ckeditorInstance=null;this._editableElementsMap=new Map}setEditableElement(t,e){this._editableElementsMap.set(t,e),e.ckeditorInstance||(e.ckeditorInstance=this.editor)}getEditableElement(t="main"){return this._editableElementsMap.get(t)}getEditableElementsNames(){return this._editableElementsMap.keys()}get _editableElements(){return console.warn("editor-ui-deprecated-editable-elements: The EditorUI#_editableElements property has been deprecated and will be removed in the near future.",{editorUI:this}),this._editableElementsMap}}Re(qa,Te),n(14);const Wa=new WeakMap;function $a(t){const{view:e,element:n,text:o,isDirectHost:i=!0}=t,r=e.document;Wa.has(r)||(Wa.set(r,new Map),r.registerPostFixer((t=>Ya(r,t)))),Wa.get(r).set(n,{text:o,isDirectHost:i}),e.change((t=>Ya(r,t)))}function Ya(t,e){const n=Wa.get(t);let o=!1;for(const[t,i]of n)Ga(e,t,i)&&(o=!0);return o}function Ga(t,e,n){const{text:o,isDirectHost:i}=n,r=i?e:function(t){if(1===t.childCount){const e=t.getChild(0);if(e.is("element")&&!e.is("uiElement"))return e}return null}(e);let s=!1;return!!r&&(n.hostElement=r,r.getAttribute("data-placeholder")!==o&&(t.setAttribute("data-placeholder",o,r),s=!0),function(t){if(!t.isAttached())return!1;const e=!Array.from(t.getChildren()).some((t=>!t.is("uiElement"))),n=t.document;if(!n.isFocused&&e)return!0;const o=n.selection.anchor;return!(!e||!o||o.parent===t)}(r)?function(t,e){return!e.hasClass("ck-placeholder")&&(t.addClass("ck-placeholder",e),!0)}(t,r)&&(s=!0):function(t,e){return!!e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),!0)}(t,r)&&(s=!0),s)}class Ka extends qa{constructor(t,e){var n;super(t),this.view=e,this._toolbarConfig=(n=t.config.get("toolbar"),Array.isArray(n)?{items:n}:n?Object.assign({items:[]},n):{items:[]})}init(){const t=this.editor,e=this.view,n=t.editing.view,o=e.editable,i=n.document.getRoot();e.editable.name=i.rootName,e.render();const r=o.element;this.setEditableElement(o.name,r),this.focusTracker.add(r),e.editable.bind("isFocused").to(this.focusTracker),n.attachDomRoot(r),this._initPlaceholder(),this._initToolbar(),this.fire("ready")}destroy(){const t=this.view;this.editor.editing.view.detachDomRoot(t.editable.name),t.destroy(),super.destroy()}_initToolbar(){const t=this.editor,e=this.view.toolbar;e.fillFromConfig(this._toolbarConfig.items,this.componentFactory),function({origin:t,originKeystrokeHandler:e,originFocusTracker:n,toolbar:o,beforeFocus:i,afterBlur:r}){n.add(o.element),e.set("Alt+F10",((t,e)=>{n.isFocused&&!o.focusTracker.isFocused&&(i&&i(),o.focus(),e())})),o.keystrokes.set("Esc",((e,n)=>{o.focusTracker.isFocused&&(t.focus(),r&&r(),n())}))}({origin:t.editing.view,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:e})}_initPlaceholder(){const t=this.editor,e=t.editing.view,n=e.document.getRoot(),o=t.sourceElement,i=t.config.get("placeholder")||o&&"textarea"===o.tagName.toLowerCase()&&o.getAttribute("placeholder");i&&$a({view:e,element:n,text:i,isDirectHost:!1})}}class Qa extends De{constructor(t=[]){super(t,{idProperty:"viewUid"}),this.on("add",((t,e,n)=>{this._renderViewIntoCollectionParent(e,n)})),this.on("remove",((t,e)=>{e.element&&this._parentElement&&e.element.remove()})),this._parentElement=null}destroy(){this.map((t=>t.destroy()))}setParent(t){this._parentElement=t;for(const t of this)this._renderViewIntoCollectionParent(t)}delegate(...t){if(!t.length||!t.every((t=>"string"==typeof t)))throw new xe.a("ui-viewcollection-delegate-wrong-events",this);return{to:e=>{for(const n of this)for(const o of t)n.delegate(o).to(e);this.on("add",((n,o)=>{for(const n of t)o.delegate(n).to(e)})),this.on("remove",((n,o)=>{for(const n of t)o.stopDelegating(n,e)}))}}}_renderViewIntoCollectionParent(t,e){t.isRendered||t.render(),t.element&&this._parentElement&&this._parentElement.insertBefore(t.element,this._parentElement.children[e])}}class Ja{constructor(t){Object.assign(this,al(sl(t))),this._isRendered=!1,this._revertData=null}render(){const t=this._renderNode({intoFragment:!0});return this._isRendered=!0,t}apply(t){return this._revertData={children:[],bindings:[],attributes:{}},this._renderNode({node:t,isApplying:!0,revertData:this._revertData}),t}revert(t){if(!this._revertData)throw new xe.a("ui-template-revert-not-applied",[this,t]);this._revertTemplateFromNode(t,this._revertData)}*getViews(){yield*function*t(e){if(e.children)for(const n of e.children)hl(n)?yield n:fl(n)&&(yield*t(n))}(this)}static bind(t,e){return{to:(n,o)=>new Xa({eventNameOrFunction:n,attribute:n,observable:t,emitter:e,callback:o}),if:(n,o,i)=>new tl({observable:t,emitter:e,attribute:n,valueIfTrue:o,callback:i})}}static extend(t,e){if(t._isRendered)throw new xe.a("template-extend-render",[this,t]);!function t(e,n){if(n.attributes&&(e.attributes||(e.attributes={}),dl(e.attributes,n.attributes)),n.eventListeners&&(e.eventListeners||(e.eventListeners={}),dl(e.eventListeners,n.eventListeners)),n.text&&e.text.push(...n.text),n.children&&n.children.length){if(e.children.length!=n.children.length)throw new xe.a("ui-template-extend-children-mismatch",e);let o=0;for(const i of n.children)t(e.children[o++],i)}}(t,al(sl(e)))}_renderNode(t){let e;if(e=t.node?this.tag&&this.text:this.tag?this.text:!this.text,e)throw new xe.a("ui-template-wrong-syntax",this);return this.text?this._renderText(t):this._renderElement(t)}_renderElement(t){let e=t.node;return e||(e=t.node=document.createElementNS(this.ns||"http://www.w3.org/1999/xhtml",this.tag)),this._renderAttributes(t),this._renderElementChildren(t),this._setUpListeners(t),e}_renderText(t){let e=t.node;return e?t.revertData.text=e.textContent:e=t.node=document.createTextNode(""),el(this.text)?this._bindToObservable({schema:this.text,updater:ol(e),data:t}):e.textContent=this.text.join(""),e}_renderAttributes(t){let e,n,o,i;if(!this.attributes)return;const r=t.node,s=t.revertData;for(e in this.attributes)if(o=r.getAttribute(e),n=this.attributes[e],s&&(s.attributes[e]=o),i=S(n[0])&&n[0].ns?n[0].ns:null,el(n)){const a=i?n[0].value:n;s&&gl(e)&&a.unshift(o),this._bindToObservable({schema:a,updater:il(r,e,i),data:t})}else"style"==e&&"string"!=typeof n[0]?this._renderStyleAttribute(n[0],t):(s&&o&&gl(e)&&n.unshift(o),n=n.map((t=>t&&t.value||t)).reduce(((t,e)=>t.concat(e)),[]).reduce(cl,""),ul(n)||r.setAttributeNS(i,e,n))}_renderStyleAttribute(t,e){const n=e.node;for(const o in t){const i=t[o];el(i)?this._bindToObservable({schema:[i],updater:rl(n,o),data:e}):n.style[o]=i}}_renderElementChildren(t){const e=t.node,n=t.intoFragment?document.createDocumentFragment():e,o=t.isApplying;let i=0;for(const r of this.children)if(ml(r)){if(!o){r.setParent(e);for(const t of r)n.appendChild(t.element)}}else if(hl(r))o||(r.isRendered||r.render(),n.appendChild(r.element));else if(ni(r))n.appendChild(r);else if(o){const e={children:[],bindings:[],attributes:{}};t.revertData.children.push(e),r._renderNode({node:n.childNodes[i++],isApplying:!0,revertData:e})}else n.appendChild(r.render());t.intoFragment&&e.appendChild(n)}_setUpListeners(t){if(this.eventListeners)for(const e in this.eventListeners){const n=this.eventListeners[e].map((n=>{const[o,i]=e.split("@");return n.activateDomEventListener(o,i,t)}));t.revertData&&t.revertData.bindings.push(n)}}_bindToObservable({schema:t,updater:e,data:n}){const o=n.revertData;nl(t,e,n);const i=t.filter((t=>!ul(t))).filter((t=>t.observable)).map((o=>o.activateAttributeListener(t,e,n)));o&&o.bindings.push(i)}_revertTemplateFromNode(t,e){for(const t of e.bindings)for(const e of t)e();if(e.text)t.textContent=e.text;else{for(const n in e.attributes){const o=e.attributes[n];null===o?t.removeAttribute(n):t.setAttribute(n,o)}for(let n=0;n<e.children.length;++n)this._revertTemplateFromNode(t.childNodes[n],e.children[n])}}}Re(Ja,Te);class Za{constructor(t){Object.assign(this,t)}getValue(t){const e=this.observable[this.attribute];return this.callback?this.callback(e,t):e}activateAttributeListener(t,e,n){const o=()=>nl(t,e,n);return this.emitter.listenTo(this.observable,"change:"+this.attribute,o),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,o)}}}class Xa extends Za{activateDomEventListener(t,e,n){const o=(t,n)=>{e&&!n.target.matches(e)||("function"==typeof this.eventNameOrFunction?this.eventNameOrFunction(n):this.observable.fire(this.eventNameOrFunction,n))};return this.emitter.listenTo(n.node,t,o),()=>{this.emitter.stopListening(n.node,t,o)}}}class tl extends Za{getValue(t){return!ul(super.getValue(t))&&(this.valueIfTrue||!0)}}function el(t){return!!t&&(t.value&&(t=t.value),Array.isArray(t)?t.some(el):t instanceof Za)}function nl(t,e,{node:n}){let o=function(t,e){return t.map((t=>t instanceof Za?t.getValue(e):t))}(t,n);o=1==t.length&&t[0]instanceof tl?o[0]:o.reduce(cl,""),ul(o)?e.remove():e.set(o)}function ol(t){return{set(e){t.textContent=e},remove(){t.textContent=""}}}function il(t,e,n){return{set(o){t.setAttributeNS(n,e,o)},remove(){t.removeAttributeNS(n,e)}}}function rl(t,e){return{set(n){t.style[e]=n},remove(){t.style[e]=null}}}function sl(t){return me(t,(t=>{if(t&&(t instanceof Za||fl(t)||hl(t)||ml(t)))return t}))}function al(t){if("string"==typeof t?t=function(t){return{text:[t]}}(t):t.text&&function(t){Array.isArray(t.text)||(t.text=[t.text])}(t),t.on&&(t.eventListeners=function(t){for(const e in t)ll(t,e);return t}(t.on),delete t.on),!t.text){t.attributes&&function(t){for(const e in t)t[e].value&&(t[e].value=[].concat(t[e].value)),ll(t,e)}(t.attributes);const e=[];if(t.children)if(ml(t.children))e.push(t.children);else for(const n of t.children)fl(n)||hl(n)||ni(n)?e.push(n):e.push(new Ja(n));t.children=e}return t}function ll(t,e){Array.isArray(t[e])||(t[e]=[t[e]])}function cl(t,e){return ul(e)?t:ul(t)?e:`${t} ${e}`}function dl(t,e){for(const n in e)t[n]?t[n].push(...e[n]):t[n]=e[n]}function ul(t){return!t&&0!==t}function hl(t){return t instanceof pl}function fl(t){return t instanceof Ja}function ml(t){return t instanceof Qa}function gl(t){return"class"==t||"style"==t}n(16);class pl{constructor(t){this.element=null,this.isRendered=!1,this.locale=t,this.t=t&&t.t,this._viewCollections=new De,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",((e,n)=>{n.locale=t})),this.decorate("render")}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=Ja.bind(this,this)}createCollection(t){const e=new Qa(t);return this._viewCollections.add(e),e}registerChild(t){Oe(t)||(t=[t]);for(const e of t)this._unboundChildren.add(e)}deregisterChild(t){Oe(t)||(t=[t]);for(const e of t)this._unboundChildren.remove(e)}setTemplate(t){this.template=new Ja(t)}extendTemplate(t){Ja.extend(this.template,t)}render(){if(this.isRendered)throw new xe.a("ui-view-render-already-rendered",this);this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map((t=>t.destroy())),this.template&&this.template._revertData&&this.template.revert(this.element)}}Re(pl,pi),Re(pl,Un);var bl=function(t){return"string"==typeof t||!lt(t)&&m(t)&&"[object String]"==u(t)};class wl extends Qa{constructor(t,e=[]){super(e),this.locale=t}attachToDom(){this._bodyCollectionContainer=new Ja({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"],dir:this.locale.uiLanguageDirection},children:this}).render();let t=document.querySelector(".ck-body-wrapper");t||(t=function(t,e,n={},o=[]){const i=n&&n.xmlns,r=i?t.createElementNS(i,e):t.createElement(e);for(const t in n)r.setAttribute(t,n[t]);!bl(o)&&Oe(o)||(o=[o]);for(let e of o)bl(e)&&(e=t.createTextNode(e)),r.appendChild(e);return r}(document,"div",{class:"ck-body-wrapper"}),document.body.appendChild(t)),t.appendChild(this._bodyCollectionContainer)}detachFromDom(){super.destroy(),this._bodyCollectionContainer&&this._bodyCollectionContainer.remove();const t=document.querySelector(".ck-body-wrapper");t&&0==t.childElementCount&&t.remove()}}n(18);class kl extends pl{constructor(t){super(t),this.body=new wl(t)}render(){super.render(),this.body.attachToDom()}destroy(){return this.body.detachFromDom(),super.destroy()}}class _l extends pl{constructor(t,e,n){super(t),this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:t.contentLanguage,dir:t.contentLanguageDirection}}),this.name=null,this.set("isFocused",!1),this._editableElement=n,this._hasExternalElement=!!this._editableElement,this._editingView=e}render(){super.render(),this._hasExternalElement?this.template.apply(this.element=this._editableElement):this._editableElement=this.element,this.on("change:isFocused",(()=>this._updateIsFocusedClasses())),this._updateIsFocusedClasses()}destroy(){this._hasExternalElement&&this.template.revert(this._editableElement),super.destroy()}_updateIsFocusedClasses(){const t=this._editingView;function e(e){t.change((n=>{const o=t.document.getRoot(e.name);n.addClass(e.isFocused?"ck-focused":"ck-blurred",o),n.removeClass(e.isFocused?"ck-blurred":"ck-focused",o)}))}t.isRenderingInProgress?function n(o){t.once("change:isRenderingInProgress",((t,i,r)=>{r?n(o):e(o)}))}(this):e(this)}}class vl extends _l{constructor(t,e,n){super(t,e,n),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView,e=this.t;t.change((n=>{const o=t.document.getRoot(this.name);n.setAttribute("aria-label",e("Rich Text Editor, %0",this.name),o)}))}}class yl{constructor(t){if(Object.assign(this,t),t.actions&&t.keystrokeHandler)for(const e in t.actions){let n=t.actions[e];"string"==typeof n&&(n=[n]);for(const o of n)t.keystrokeHandler.set(o,((t,n)=>{this[e](),n()}))}}get first(){return this.focusables.find(xl)||null}get last(){return this.focusables.filter(xl).slice(-1)[0]||null}get next(){return this._getFocusableItem(1)}get previous(){return this._getFocusableItem(-1)}get current(){let t=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find(((e,n)=>{const o=e.element===this.focusTracker.focusedElement;return o&&(t=n),o})),t)}focusFirst(){this._focus(this.first)}focusLast(){this._focus(this.last)}focusNext(){this._focus(this.next)}focusPrevious(){this._focus(this.previous)}_focus(t){t&&t.focus()}_getFocusableItem(t){const e=this.current,n=this.focusables.length;if(!n)return null;if(null===e)return this[1===t?"first":"last"];let o=(e+n+t)%n;do{const e=this.focusables.get(o);if(xl(e))return e;o=(o+n+t)%n}while(o!==e);return null}}function xl(t){return!(!t.focus||"none"==ai.window.getComputedStyle(t.element).display)}class Al extends pl{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class Cl{constructor(t,e){Cl._observerInstance||Cl._createObserver(),this._element=t,this._callback=e,Cl._addElementCallback(t,e),Cl._observerInstance.observe(t)}destroy(){Cl._deleteElementCallback(this._element,this._callback)}static _addElementCallback(t,e){Cl._elementCallbacks||(Cl._elementCallbacks=new Map);let n=Cl._elementCallbacks.get(t);n||(n=new Set,Cl._elementCallbacks.set(t,n)),n.add(e)}static _deleteElementCallback(t,e){const n=Cl._getElementCallbacks(t);n&&(n.delete(e),n.size||(Cl._elementCallbacks.delete(t),Cl._observerInstance.unobserve(t))),Cl._elementCallbacks&&!Cl._elementCallbacks.size&&(Cl._observerInstance=null,Cl._elementCallbacks=null)}static _getElementCallbacks(t){return Cl._elementCallbacks?Cl._elementCallbacks.get(t):null}static _createObserver(){let t;t="function"==typeof ai.window.ResizeObserver?ai.window.ResizeObserver:Tl,Cl._observerInstance=new t((t=>{for(const e of t){const t=Cl._getElementCallbacks(e.target);if(t)for(const n of t)n(e)}}))}}Cl._observerInstance=null,Cl._elementCallbacks=null;class Tl{constructor(t){this._callback=t,this._elements=new Set,this._previousRects=new Map,this._periodicCheckTimeout=null}observe(t){this._elements.add(t),this._checkElementRectsAndExecuteCallback(),1===this._elements.size&&this._startPeriodicCheck()}unobserve(t){this._elements.delete(t),this._previousRects.delete(t),this._elements.size||this._stopPeriodicCheck()}_startPeriodicCheck(){const t=()=>{this._checkElementRectsAndExecuteCallback(),this._periodicCheckTimeout=setTimeout(t,100)};this.listenTo(ai.window,"resize",(()=>{this._checkElementRectsAndExecuteCallback()})),this._periodicCheckTimeout=setTimeout(t,100)}_stopPeriodicCheck(){clearTimeout(this._periodicCheckTimeout),this.stopListening(),this._previousRects.clear()}_checkElementRectsAndExecuteCallback(){const t=[];for(const e of this._elements)this._hasRectChanged(e)&&t.push({target:e,contentRect:this._previousRects.get(e)});t.length&&this._callback(t)}_hasRectChanged(t){if(!t.ownerDocument.body.contains(t))return!1;const e=new nr(t),n=this._previousRects.get(t),o=!n||!n.isEqual(e);return this._previousRects.set(t,e),o}}Re(Tl,pi);class Sl extends pl{constructor(t){super(t);const e=this.bindTemplate;this.set("isVisible",!1),this.set("position","se"),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-dropdown__panel",e.to("position",(t=>"ck-dropdown__panel_"+t)),e.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:e.to((t=>t.preventDefault()))}})}focus(){this.children.length&&this.children.first.focus()}focusLast(){if(this.children.length){const t=this.children.last;"function"==typeof t.focusLast?t.focusLast():t.focus()}}}function El({element:t,target:e,positions:n,limiter:o,fitInViewport:i}){E(e)&&(e=e()),E(o)&&(o=o());const r=function(t){return t&&t.parentNode?t.offsetParent===ai.document.body?null:t.offsetParent:null}(t),s=new nr(t),a=new nr(e);let l,c;if(o||i){const t=function(t,e){const{elementRect:n,viewportRect:o}=e,i=n.getArea(),r=function(t,{targetRect:e,elementRect:n,limiterRect:o,viewportRect:i}){const r=[],s=n.getArea();for(const a of t){const t=Pl(a,e,n);if(!t)continue;const[l,c]=t;let d=0,u=0;if(o)if(i){const t=o.getIntersection(i);t&&(d=t.getIntersectionArea(c))}else d=o.getIntersectionArea(c);i&&(u=i.getIntersectionArea(c));const h={positionName:l,positionRect:c,limiterIntersectArea:d,viewportIntersectArea:u};if(d===s)return[h];r.push(h)}return r}(t,e);if(o){const t=Ml(r.filter((({viewportIntersectArea:t})=>t===i)),i);if(t)return t}return Ml(r,i)}(n,{targetRect:a,elementRect:s,limiterRect:o&&new nr(o).getVisible(),viewportRect:i&&new nr(ai.window)});[c,l]=t||Pl(n[0],a,s)}else[c,l]=Pl(n[0],a,s);let d=Il(l);return r&&(d=function({left:t,top:e},n){const o=Il(new nr(n)),i=tr(n);return t-=o.left,e-=o.top,t+=n.scrollLeft,e+=n.scrollTop,{left:t-=i.left,top:e-=i.top}}(d,r)),{left:d.left,top:d.top,name:c}}function Pl(t,e,n){const o=t(e,n);if(!o)return null;const{left:i,top:r,name:s}=o;return[s,n.clone().moveTo(i,r)]}function Ml(t,e){let n,o,i=0;for(const{positionName:r,positionRect:s,limiterIntersectArea:a,viewportIntersectArea:l}of t){if(a===e)return[r,s];const t=l**2+a**2;t>i&&(i=t,n=s,o=r)}return n?[o,n]:null}function Il({left:t,top:e}){const{scrollX:n,scrollY:o}=ai.window;return{left:t+n,top:e+o}}n(20);class Nl extends pl{constructor(t,e,n){super(t);const o=this.bindTemplate;this.buttonView=e,this.panelView=n,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("id"),this.set("panelPosition","auto"),this.keystrokes=new Da,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",o.to("class"),o.if("isEnabled","ck-disabled",(t=>!t))],id:o.to("id"),"aria-describedby":o.to("ariaDescribedById")},children:[e,n]}),e.extendTemplate({attributes:{class:["ck-dropdown__button"]}})}render(){super.render(),this.listenTo(this.buttonView,"open",(()=>{this.isOpen=!this.isOpen})),this.panelView.bind("isVisible").to(this,"isOpen"),this.on("change:isOpen",(()=>{this.isOpen&&("auto"===this.panelPosition?this.panelView.position=Nl._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:this._panelPositions}).name:this.panelView.position=this.panelPosition)})),this.keystrokes.listenTo(this.element);const t=(t,e)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,e())};this.keystrokes.set("arrowdown",((t,e)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,e())})),this.keystrokes.set("arrowright",((t,e)=>{this.isOpen&&e()})),this.keystrokes.set("arrowleft",t),this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}get _panelPositions(){const{southEast:t,southWest:e,northEast:n,northWest:o}=Nl.defaultPanelPositions;return"ltr"===this.locale.uiLanguageDirection?[t,e,n,o]:[e,t,o,n]}}Nl.defaultPanelPositions={southEast:t=>({top:t.bottom,left:t.left,name:"se"}),southWest:(t,e)=>({top:t.bottom,left:t.left-e.width+t.width,name:"sw"}),northEast:(t,e)=>({top:t.top-e.height,left:t.left,name:"ne"}),northWest:(t,e)=>({top:t.bottom-e.height,left:t.left-e.width+t.width,name:"nw"})},Nl._getOptimalPosition=El,n(22);class Ol extends pl{constructor(){super();const t=this.bindTemplate;this.set("content",""),this.set("viewBox","0 0 20 20"),this.set("fillColor",""),this.setTemplate({tag:"svg",ns:"http://www.w3.org/2000/svg",attributes:{class:["ck","ck-icon"],viewBox:t.to("viewBox")}})}render(){super.render(),this._updateXMLContent(),this._colorFillPaths(),this.on("change:content",(()=>{this._updateXMLContent(),this._colorFillPaths()})),this.on("change:fillColor",(()=>{this._colorFillPaths()}))}_updateXMLContent(){if(this.content){const t=(new DOMParser).parseFromString(this.content.trim(),"image/svg+xml").querySelector("svg"),e=t.getAttribute("viewBox");for(e&&(this.viewBox=e),this.element.innerHTML="";t.childNodes.length>0;)this.element.appendChild(t.childNodes[0])}}_colorFillPaths(){this.fillColor&&this.element.querySelectorAll(".ck-icon__fill").forEach((t=>{t.style.fill=this.fillColor}))}}n(24);class Rl extends pl{constructor(t){super(t),this.set("text",""),this.set("position","s");const e=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-tooltip",e.to("position",(t=>"ck-tooltip_"+t)),e.if("text","ck-hidden",(t=>!t.trim()))]},children:[{tag:"span",attributes:{class:["ck","ck-tooltip__text"]},children:[{text:e.to("text")}]}]})}}n(26);class Dl extends pl{constructor(t){super(t);const e=this.bindTemplate,n=ve();this.set("class"),this.set("labelStyle"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("isToggleable",!1),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.set("withKeystroke",!1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(n),this.iconView=new Ol,this.iconView.extendTemplate({attributes:{class:"ck-button__icon"}}),this.keystrokeView=this._createKeystrokeView(),this.bind("_tooltipString").to(this,"tooltip",this,"label",this,"keystroke",this._getTooltipString.bind(this)),this.setTemplate({tag:"button",attributes:{class:["ck","ck-button",e.to("class"),e.if("isEnabled","ck-disabled",(t=>!t)),e.if("isVisible","ck-hidden",(t=>!t)),e.to("isOn",(t=>t?"ck-on":"ck-off")),e.if("withText","ck-button_with-text"),e.if("withKeystroke","ck-button_with-keystroke")],type:e.to("type",(t=>t||"button")),tabindex:e.to("tabindex"),"aria-labelledby":"ck-editor__aria-label_"+n,"aria-disabled":e.if("isEnabled",!0,(t=>!t)),"aria-pressed":e.to("isOn",(t=>!!this.isToggleable&&String(t)))},children:this.children,on:{mousedown:e.to((t=>{t.preventDefault()})),click:e.to((t=>{this.isEnabled?this.fire("execute"):t.preventDefault()}))}})}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.tooltipView),this.children.add(this.labelView),this.withKeystroke&&this.children.add(this.keystrokeView)}focus(){this.element.focus()}_createTooltipView(){const t=new Rl;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new pl,n=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:n.to("labelStyle"),id:"ck-editor__aria-label_"+t},children:[{text:this.bindTemplate.to("label")}]}),e}_createKeystrokeView(){const t=new pl;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",(t=>yo(t)))}]}),t}_getTooltipString(t,e,n){return t?"string"==typeof t?t:(n&&(n=yo(n)),t instanceof Function?t(e,n):`${e}${n?` (${n})`:""}`):""}}var Ll='<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg"><path d="M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 1.06l-3.549 3.55a.75.75 0 0 1-1.168-.136L.941 4.523z"/></svg>';class zl extends Dl{constructor(t){super(t),this.arrowView=this._createArrowView(),this.extendTemplate({attributes:{"aria-haspopup":!0}}),this.delegate("execute").to(this,"open")}render(){super.render(),this.children.add(this.arrowView)}_createArrowView(){const t=new Ol;return t.content=Ll,t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}n(28);class Vl extends pl{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Ua,this.keystrokes=new Da,this._focusCycler=new yl({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this.setTemplate({tag:"ul",attributes:{class:["ck","ck-reset","ck-list"]},children:this.items})}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",((t,e)=>{this.focusTracker.add(e.element)})),this.items.on("remove",((t,e)=>{this.focusTracker.remove(e.element)})),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}class jl extends pl{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__item"]},children:this.children})}focus(){this.children.first.focus()}}class Bl extends pl{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}n(30);class Fl extends Dl{constructor(t){super(t),this.isToggleable=!0,this.toggleSwitchView=this._createToggleView(),this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render(),this.children.add(this.toggleSwitchView)}_createToggleView(){const t=new pl;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),t}}function Hl({emitter:t,activator:e,callback:n,contextElements:o}){t.listenTo(document,"mousedown",((t,i)=>{if(!e())return;const r="function"==typeof i.composedPath?i.composedPath():[];for(const t of o)if(t.contains(i.target)||r.includes(t))return;n()}))}function Ul(t,e=zl){const n=new e(t),o=new Sl(t),i=new Nl(t,n,o);return n.bind("isEnabled").to(i),n instanceof zl?n.bind("isOn").to(i,"isOpen"):n.arrowView.bind("isOn").to(i,"isOpen"),function(t){(function(t){t.on("render",(()=>{Hl({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})}))})(t),function(t){t.on("execute",(e=>{e.source instanceof Fl||(t.isOpen=!1)}))}(t),function(t){t.keystrokes.set("arrowdown",((e,n)=>{t.isOpen&&(t.panelView.focus(),n())})),t.keystrokes.set("arrowup",((e,n)=>{t.isOpen&&(t.panelView.focusLast(),n())}))}(t)}(i),i}function ql(t,e){const n=t.locale,o=n.t,i=t.toolbarView=new $l(n);i.set("ariaLabel",o("Dropdown toolbar")),t.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),e.map((t=>i.items.add(t))),t.panelView.children.add(i),i.items.delegate("execute").to(t)}function Wl(t,e){const n=t.locale,o=t.listView=new Vl(n);o.items.bindTo(e).using((({type:t,model:e})=>{if("separator"===t)return new Bl(n);if("button"===t||"switchbutton"===t){const o=new jl(n);let i;return i="button"===t?new Dl(n):new Fl(n),i.bind(...Object.keys(e)).to(e),i.delegate("execute").to(o),o.children.add(i),o}})),t.panelView.children.add(o),o.items.delegate("execute").to(t)}n(32),n(34),n(36);class $l extends pl{constructor(t,e){super(t);const n=this.bindTemplate,o=this.t;var i;this.options=e||{},this.set("ariaLabel",o("Editor toolbar")),this.set("maxWidth","auto"),this.items=this.createCollection(),this.focusTracker=new Ua,this.keystrokes=new Da,this.set("class"),this.set("isCompact",!1),this.itemsView=new Yl(t),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection(),this._focusCycler=new yl({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar",n.to("class"),n.if("isCompact","ck-toolbar_compact")],role:"toolbar","aria-label":n.to("ariaLabel"),style:{maxWidth:n.to("maxWidth")}},children:this.children,on:{mousedown:(i=this,i.bindTemplate.to((t=>{t.target===i.element&&t.preventDefault()})))}}),this._behavior=this.options.shouldGroupWhenFull?new Kl(this):new Gl(this)}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",((t,e)=>{this.focusTracker.add(e.element)})),this.items.on("remove",((t,e)=>{this.focusTracker.remove(e.element)})),this.keystrokes.listenTo(this.element),this._behavior.render(this)}destroy(){return this._behavior.destroy(),super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){this.items.addMany(t.map((t=>"|"==t?new Al:e.has(t)?e.create(t):void Object(xe.c)("toolbarview-item-unavailable",{name:t}))).filter((t=>void 0!==t)))}}class Yl extends pl{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class Gl{constructor(t){const e=t.bindTemplate;t.set("isVertical",!1),t.itemsView.children.bindTo(t.items).using((t=>t)),t.focusables.bindTo(t.items).using((t=>t)),t.extendTemplate({attributes:{class:[e.if("isVertical","ck-toolbar_vertical")]}})}render(){}destroy(){}}class Kl{constructor(t){this.view=t,this.viewChildren=t.children,this.viewFocusables=t.focusables,this.viewItemsView=t.itemsView,this.viewFocusTracker=t.focusTracker,this.viewLocale=t.locale,this.ungroupedItems=t.createCollection(),this.groupedItems=t.createCollection(),this.groupedItemsDropdown=this._createGroupedItemsDropdown(),this.resizeObserver=null,this.cachedPadding=null,this.shouldUpdateGroupingOnNextResize=!1,t.itemsView.children.bindTo(this.ungroupedItems).using((t=>t)),this.ungroupedItems.on("add",this._updateFocusCycleableItems.bind(this)),this.ungroupedItems.on("remove",this._updateFocusCycleableItems.bind(this)),t.children.on("add",this._updateFocusCycleableItems.bind(this)),t.children.on("remove",this._updateFocusCycleableItems.bind(this)),t.items.on("change",((t,e)=>{const n=e.index;for(const t of e.removed)n>=this.ungroupedItems.length?this.groupedItems.remove(t):this.ungroupedItems.remove(t);for(let t=n;t<n+e.added.length;t++){const o=e.added[t-n];t>this.ungroupedItems.length?this.groupedItems.add(o,t-this.ungroupedItems.length):this.ungroupedItems.add(o,t)}this._updateGrouping()})),t.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(t){this.viewElement=t.element,this._enableGroupingOnResize(),this._enableGroupingOnMaxWidthChange(t)}destroy(){this.groupedItemsDropdown.destroy(),this.resizeObserver.destroy()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement))return;if(!this.viewElement.offsetParent)return void(this.shouldUpdateGroupingOnNextResize=!0);const t=this.groupedItems.length;let e;for(;this._areItemsOverflowing;)this._groupLastItem(),e=!0;if(!e&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}this.groupedItems.length!==t&&this.view.fire("groupedItemsUpdate")}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const t=this.viewElement,e=this.viewLocale.uiLanguageDirection,n=new nr(t.lastChild),o=new nr(t);if(!this.cachedPadding){const n=ai.window.getComputedStyle(t),o="ltr"===e?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(n[o])}return"ltr"===e?n.right>o.right-this.cachedPadding:n.left<o.left+this.cachedPadding}_enableGroupingOnResize(){let t;this.resizeObserver=new Cl(this.viewElement,(e=>{t&&t===e.contentRect.width&&!this.shouldUpdateGroupingOnNextResize||(this.shouldUpdateGroupingOnNextResize=!1,this._updateGrouping(),t=e.contentRect.width)})),this._updateGrouping()}_enableGroupingOnMaxWidthChange(t){t.on("change:maxWidth",(()=>{this._updateGrouping()}))}_groupLastItem(){this.groupedItems.length||(this.viewChildren.add(new Al),this.viewChildren.add(this.groupedItemsDropdown),this.viewFocusTracker.add(this.groupedItemsDropdown.element)),this.groupedItems.add(this.ungroupedItems.remove(this.ungroupedItems.last),0)}_ungroupFirstItem(){this.ungroupedItems.add(this.groupedItems.remove(this.groupedItems.first)),this.groupedItems.length||(this.viewChildren.remove(this.groupedItemsDropdown),this.viewChildren.remove(this.viewChildren.last),this.viewFocusTracker.remove(this.groupedItemsDropdown.element))}_createGroupedItemsDropdown(){const t=this.viewLocale,e=t.t,n=Ul(t);return n.class="ck-toolbar__grouped-dropdown",n.panelPosition="ltr"===t.uiLanguageDirection?"sw":"se",ql(n,[]),n.buttonView.set({label:e("Show more items"),tooltip:!0,icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="9.5" cy="4.5" r="1.5"/><circle cx="9.5" cy="10.5" r="1.5"/><circle cx="9.5" cy="16.5" r="1.5"/></svg>'}),n.toolbarView.items.bindTo(this.groupedItems).using((t=>t)),n}_updateFocusCycleableItems(){this.viewFocusables.clear(),this.ungroupedItems.map((t=>{this.viewFocusables.add(t)})),this.groupedItems.length&&this.viewFocusables.add(this.groupedItemsDropdown)}}class Ql extends kl{constructor(t,e,n={}){super(t),this.toolbar=new $l(t,{shouldGroupWhenFull:n.shouldToolbarGroupWhenFull}),this.editable=new vl(t,e,n.editableElement),this.toolbar.extendTemplate({attributes:{class:["ck-reset_all","ck-rounded-corners"],dir:t.uiLanguageDirection}})}render(){super.render(),this.registerChild([this.toolbar,this.editable])}}class Jl extends za{constructor(t,e){super(e),ge(t)&&(this.sourceElement=t,function(t){const e=t.sourceElement;if(e){if(e.ckeditorInstance)throw new xe.a("editor-source-element-already-used",t);e.ckeditorInstance=t,t.once("destroy",(()=>{delete e.ckeditorInstance}))}}(this)),this.data.processor=new Ba(this.data.viewDocument),this.model.document.createRoot();const n=!this.config.get("toolbar.shouldNotGroupWhenFull"),o=new Ql(this.locale,this.editing.view,{editableElement:this.sourceElement,shouldToolbarGroupWhenFull:n});this.ui=new Ka(this,o)}destroy(){const t=this.getData();return this.ui.destroy(),super.destroy().then((()=>{this.sourceElement&&function(t,e){t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}(this.sourceElement,t)}))}static create(t,e={}){return new Promise((n=>{const o=ge(t);if(o&&"TEXTAREA"===t.tagName)throw new xe.a("editor-wrong-element",null);const i=new this(t,e);n(i.initPlugins().then((()=>{i.ui.init()})).then((()=>{if(!o&&e.initialData)throw new xe.a("editor-create-initial-data",null);const n=e.initialData||function(t){return ge(t)?(e=t)instanceof HTMLTextAreaElement?e.value:e.innerHTML:t;var e}(t);return i.data.init(n)})).then((()=>i.fire("ready"))).then((()=>i)))}))}}Re(Jl,Va);class Zl{constructor(t){this.editor=t,this.set("isEnabled",!0),this._disableStack=new Set}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",Xl,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",Xl),this.isEnabled=!0)}destroy(){this.stopListening()}static get isContextPlugin(){return!1}}function Xl(t){t.return=!1,t.stop()}Re(Zl,Un);class tc{constructor(t){this.files=function(t){const e=t.files?Array.from(t.files):[],n=t.items?Array.from(t.items):[];return e.length?e:n.filter((t=>"file"===t.kind)).map((t=>t.getAsFile()))}(t),this._native=t}get types(){return this._native.types}getData(t){return this._native.getData(t)}setData(t,e){this._native.setData(t,e)}}class ec extends Li{constructor(t){super(t);const e=this.document;function n(t,n){n.preventDefault();const o=n.dropRange?[n.dropRange]:Array.from(e.selection.getRanges()),i=new ke(e,"clipboardInput");e.fire(i,{dataTransfer:n.dataTransfer,targetRanges:o}),i.stop.called&&n.stopPropagation()}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(e,"paste",n,{priority:"low"}),this.listenTo(e,"drop",n,{priority:"low"})}onDomEvent(t){const e={dataTransfer:new tc(t.clipboardData?t.clipboardData:t.dataTransfer)};"drop"==t.type&&(e.dropRange=function(t,e){const n=e.target.ownerDocument,o=e.clientX,i=e.clientY;let r;return n.caretRangeFromPoint&&n.caretRangeFromPoint(o,i)?r=n.caretRangeFromPoint(o,i):e.rangeParent&&(r=n.createRange(),r.setStart(e.rangeParent,e.rangeOffset),r.collapse(!0)),r?t.domConverter.domRangeToView(r):t.document.selection.getFirstRange()}(this.view,t)),this.fire(t.type,t,e)}}class nc extends Zl{static get pluginName(){return"PastePlainText"}init(){const t=this.editor.editing.view,e=t.document;let n=!1;t.addObserver(ec),this.listenTo(e,"keydown",((t,e)=>{n=e.shiftKey})),this.listenTo(e,"clipboardInput",((t,e)=>{n&&(e.asPlainText=!0)}),{priority:"high"})}}const oc=["figcaption","li"];class ic extends Zl{static get pluginName(){return"Clipboard"}static get requires(){return[nc]}init(){const t=this.editor,e=t.model.document,n=t.editing.view,o=n.document;function i(n,i){const r=i.dataTransfer;i.preventDefault();const s=t.data.toView(t.model.getSelectedContent(e.selection));o.fire("clipboardOutput",{dataTransfer:r,content:s,method:n.name})}this._htmlDataProcessor=new Ba(o),n.addObserver(ec),this.listenTo(o,"clipboardInput",(e=>{t.isReadOnly&&e.stop()}),{priority:"highest"}),this.listenTo(o,"clipboardInput",((t,e)=>{const o=e.dataTransfer;let i="";var r;o.getData("text/html")?i=function(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,((t,e)=>1==e.length?" ":e))}(o.getData("text/html")):o.getData("text/plain")&&(((r=(r=o.getData("text/plain")).replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\r?\n\r?\n/g,"</p><p>").replace(/\r?\n/g,"<br>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).includes("</p><p>")||r.includes("<br>"))&&(r=`<p>${r}</p>`),i=r),i=this._htmlDataProcessor.toView(i);const s=new ke(this,"inputTransformation");this.fire(s,{content:i,dataTransfer:o,asPlainText:e.asPlainText}),s.stop.called&&t.stop(),n.scrollToTheSelection()}),{priority:"low"}),this.listenTo(this,"inputTransformation",((n,o)=>{if(!o.content.isEmpty){const i=this.editor.data,r=this.editor.model,s=i.toModel(o.content,"$clipboardHolder");if(0==s.childCount)return;if(o.asPlainText||function(t){return!(t.childCount>1)&&0==[...t.getChild(0).getAttributeKeys()].length}(s)){const n=new Map(Array.from(e.selection.getAttributes()).filter((e=>t.model.schema.getAttributeProperties(e[0]).isFormatting)));r.change((t=>{const e=t.createRangeIn(s);for(const o of e.getItems())(o.is("$text")||o.is("$textProxy"))&&t.setAttributes(n,o)}))}r.insertContent(s),n.stop()}}),{priority:"low"}),this.listenTo(o,"copy",i,{priority:"low"}),this.listenTo(o,"cut",((e,n)=>{t.isReadOnly?n.preventDefault():i(e,n)}),{priority:"low"}),this.listenTo(o,"clipboardOutput",((n,o)=>{o.content.isEmpty||(o.dataTransfer.setData("text/html",this._htmlDataProcessor.toData(o.content)),o.dataTransfer.setData("text/plain",function t(e){let n="";if(e.is("$text")||e.is("$textProxy"))n=e.data;else if(e.is("element","img")&&e.hasAttribute("alt"))n=e.getAttribute("alt");else if(e.is("element","br"))n="\n";else{let o=null;for(const i of e.getChildren()){const e=t(i);o&&(o.is("containerElement")||i.is("containerElement"))&&(oc.includes(o.name)||oc.includes(i.name)?n+="\n":n+="\n\n"),n+=e,o=i}}return n}(o.content))),"cut"==o.method&&t.model.deleteContent(e.selection)}),{priority:"low"})}}class rc{constructor(t){this.editor=t,this.set("value",void 0),this.set("isEnabled",!1),this._disableStack=new Set,this.decorate("execute"),this.listenTo(this.editor.model.document,"change",(()=>{this.refresh()})),this.on("execute",(t=>{this.isEnabled||t.stop()}),{priority:"high"}),this.listenTo(t,"change:isReadOnly",((t,e,n)=>{n?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")}))}refresh(){this.isEnabled=!0}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",sc,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",sc),this.refresh())}execute(){}destroy(){this.stopListening()}}function sc(t){t.return=!1,t.stop()}function*ac(t,e){for(const n of e)n&&t.getAttributeProperties(n[0]).copyOnEnter&&(yield n)}Re(rc,Un);class lc extends rc{execute(){const t=this.editor.model,e=t.document;t.change((n=>{!function(t,e,n,o){const i=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(o.isLimit(s)||o.isLimit(a))i||s!=a||t.deleteContent(n);else if(i){const t=ac(e.model.schema,n.getAttributes());cc(e,r.start),e.setSelectionAttribute(t)}else{const o=!(r.start.isAtStart&&r.end.isAtEnd),i=s==a;t.deleteContent(n,{leaveUnmerged:o}),o&&(i?cc(e,n.focus):e.setSelection(a,0))}}(this.editor.model,n,e.selection,t.schema),this.fire("afterExecute",{writer:n})}))}}function cc(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class dc extends ki{constructor(t){super(t);const e=this.document;e.on("keydown",((t,n)=>{if(this.isEnabled&&n.keyCode==ko.enter){let o;e.once("enter",(t=>o=t),{priority:"highest"}),e.fire("enter",new Di(e,n.domEvent,{isSoft:n.shiftKey})),o&&o.stop.called&&t.stop()}}))}observe(){}}class uc extends Zl{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(dc),t.commands.add("enter",new lc(t)),this.listenTo(n,"enter",((n,o)=>{o.preventDefault(),o.isSoft||(t.execute("enter"),e.scrollToTheSelection())}),{priority:"low"})}}class hc extends rc{execute(){const t=this.editor.model,e=t.document;t.change((n=>{!function(t,e,n){const o=n.isCollapsed,i=n.getFirstRange(),r=i.start.parent,s=i.end.parent,a=r==s;if(o){const o=ac(t.schema,n.getAttributes());fc(t,e,i.end),e.removeSelectionAttribute(n.getAttributeKeys()),e.setSelectionAttribute(o)}else{const o=!(i.start.isAtStart&&i.end.isAtEnd);t.deleteContent(n,{leaveUnmerged:o}),a?fc(t,e,n.focus):o&&e.setSelection(s,0)}}(t,n,e.selection),this.fire("afterExecute",{writer:n})}))}refresh(){const t=this.editor.model,e=t.document;this.isEnabled=function(t,e){if(e.rangeCount>1)return!1;const n=e.anchor;if(!n||!t.checkChild(n,"softBreak"))return!1;const o=e.getFirstRange(),i=o.start.parent,r=o.end.parent;return!mc(i,t)&&!mc(r,t)||i===r}(t.schema,e.selection)}}function fc(t,e,n){const o=e.createElement("softBreak");t.insertContent(o,n),e.setSelection(o,"after")}function mc(t,e){return!t.is("rootElement")&&(e.isLimit(t)||mc(t.parent,e))}class gc extends Zl{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor,e=t.model.schema,n=t.conversion,o=t.editing.view,i=o.document;e.register("softBreak",{allowWhere:"$text",isInline:!0}),n.for("upcast").elementToElement({model:"softBreak",view:"br"}),n.for("downcast").elementToElement({model:"softBreak",view:(t,{writer:e})=>e.createEmptyElement("br")}),o.addObserver(dc),t.commands.add("shiftEnter",new hc(t)),this.listenTo(i,"enter",((e,n)=>{n.preventDefault(),n.isSoft&&(t.execute("shiftEnter"),o.scrollToTheSelection())}),{priority:"low"})}}class pc extends rc{execute(){const t=this.editor.model,e=t.document.selection;let n=t.schema.getLimitElement(e);if(e.containsEntireContent(n)||!bc(t.schema,n))do{if(n=n.parent,!n)return}while(!bc(t.schema,n));t.change((t=>{t.setSelection(n,"in")}))}}function bc(t,e){return t.isLimit(e)&&(t.checkChild(e,"$text")||t.checkChild(e,"paragraph"))}const wc=vo("Ctrl+A");class kc extends Zl{static get pluginName(){return"SelectAllEditing"}init(){const t=this.editor,e=t.editing.view.document;t.commands.add("selectAll",new pc(t)),this.listenTo(e,"keydown",((e,n)=>{_o(n)===wc&&(t.execute("selectAll"),n.preventDefault())}))}}class _c extends Zl{static get pluginName(){return"SelectAllUI"}init(){const t=this.editor;t.ui.componentFactory.add("selectAll",(e=>{const n=t.commands.get("selectAll"),o=new Dl(e),i=e.t;return o.set({label:i("Select all"),icon:'<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><path d="M.75 15.5a.75.75 0 0 1 .75.75V18l.008.09A.5.5 0 0 0 2 18.5h1.75a.75.75 0 1 1 0 1.5H1.5l-.144-.007a1.5 1.5 0 0 1-1.35-1.349L0 18.5v-2.25a.75.75 0 0 1 .75-.75zm18.5 0a.75.75 0 0 1 .75.75v2.25l-.007.144a1.5 1.5 0 0 1-1.349 1.35L18.5 20h-2.25a.75.75 0 1 1 0-1.5H18a.5.5 0 0 0 .492-.41L18.5 18v-1.75a.75.75 0 0 1 .75-.75zm-10.45 3c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm.45-5.5a.75.75 0 1 1 0 1.5h-8.5a.75.75 0 1 1 0-1.5h8.5zM1.3 11c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM1.3 7c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5h-2.5a.75.75 0 1 1 0-1.5h2.5zm-5 0a.75.75 0 1 1 0 1.5h-5.5a.75.75 0 0 1 0-1.5h5.5zm-6.5-5a.75.75 0 0 1 0 1.5H2a.5.5 0 0 0-.492.41L1.5 2v1.75a.75.75 0 0 1-1.5 0V1.5l.007-.144A1.5 1.5 0 0 1 1.356.006L1.5 0h2.25zM18.5 0l.144.007a1.5 1.5 0 0 1 1.35 1.349L20 1.5v2.25a.75.75 0 1 1-1.5 0V2l-.008-.09A.5.5 0 0 0 18 1.5h-1.75a.75.75 0 1 1 0-1.5h2.25zM8.8 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6z"/></svg>',keystroke:"Ctrl+A",tooltip:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>{t.execute("selectAll"),t.editing.view.focus()})),o}))}}class vc extends Zl{static get requires(){return[kc,_c]}static get pluginName(){return"SelectAll"}}class yc{constructor(t,e=20){this.model=t,this.size=0,this.limit=e,this.isLocked=!1,this._changeCallback=(t,e)=>{"transparent"!=e.type&&e!==this._batch&&this._reset(!0)},this._selectionChangeCallback=()=>{this._reset()},this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch()),this._batch}input(t){this.size+=t,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(t){this.isLocked&&!t||(this._batch=null,this.size=0)}}class xc extends rc{constructor(t,e){super(t),this._buffer=new yc(t.model,e),this._batches=new WeakSet}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(t={}){const e=this.editor.model,n=e.document,o=t.text||"",i=o.length,r=t.range?e.createSelection(t.range):n.selection,s=t.resultRange;e.enqueueChange(this._buffer.batch,(t=>{this._buffer.lock(),this._batches.add(this._buffer.batch),e.deleteContent(r),o&&e.insertContent(t.createText(o,n.selection.getAttributes()),r),s?t.setSelection(s):r.is("documentSelection")||t.setSelection(r),this._buffer.unlock(),this._buffer.input(i)}))}}const Ac=[_o("arrowUp"),_o("arrowRight"),_o("arrowDown"),_o("arrowLeft"),9,16,17,18,19,20,27,33,34,35,36,45,91,93,144,145,173,174,175,176,177,178,179,255];for(let t=112;t<=135;t++)Ac.push(t);function Cc(t){return!!t.ctrlKey||Ac.includes(t.keyCode)}function Tc(t){if(t.newChildren.length-t.oldChildren.length!=1)return;const e=function(t,e){const n=[];let o,i=0;return t.forEach((t=>{"equal"==t?(r(),i++):"insert"==t?(s("insert")?o.values.push(e[i]):(r(),o={type:"insert",index:i,values:[e[i]]}),i++):s("delete")?o.howMany++:(r(),o={type:"delete",index:i,howMany:1})})),r(),n;function r(){o&&(n.push(o),o=null)}function s(t){return o&&o.type==t}}(Xo(t.oldChildren,t.newChildren,Sc),t.newChildren);if(e.length>1)return;const n=e[0];return n.values[0]&&n.values[0].is("$text")?n:void 0}function Sc(t,e){return t&&t.is("$text")&&e&&e.is("$text")?t.data===e.data:t===e}class Ec{constructor(t){this.editor=t,this.editing=this.editor.editing}handle(t,e){if(function(t){if(0==t.length)return!1;for(const e of t)if("children"===e.type&&!Tc(e))return!0;return!1}(t))this._handleContainerChildrenMutations(t,e);else for(const n of t)this._handleTextMutation(n,e),this._handleTextNodeInsertion(n)}_handleContainerChildrenMutations(t,e){const n=function(t){const e=t.map((t=>t.node)).reduce(((t,e)=>t.getCommonAncestor(e,{includeSelf:!0})));if(e)return e.getAncestors({includeSelf:!0,parentFirst:!0}).find((t=>t.is("containerElement")||t.is("rootElement")))}(t);if(!n)return;const o=this.editor.editing.view.domConverter.mapViewToDom(n),i=new ui(this.editor.editing.view.document),r=this.editor.data.toModel(i.domToView(o)).getChild(0),s=this.editor.editing.mapper.toModelElement(n);if(!s)return;const a=Array.from(r.getChildren()),l=Array.from(s.getChildren()),c=a[a.length-1],d=l[l.length-1],u=c&&c.is("element","softBreak"),h=d&&!d.is("element","softBreak");u&&h&&a.pop();const f=this.editor.model.schema;if(!Pc(a,f)||!Pc(l,f))return;const m=a.map((t=>t.is("$text")?t.data:"@")).join("").replace(/\u00A0/g," "),g=l.map((t=>t.is("$text")?t.data:"@")).join("").replace(/\u00A0/g," ");if(g===m)return;const p=Xo(g,m),{firstChangeAt:b,insertions:w,deletions:k}=Mc(p);let _=null;e&&(_=this.editing.mapper.toModelRange(e.getFirstRange()));const v=m.substr(b,w),y=this.editor.model.createRange(this.editor.model.createPositionAt(s,b),this.editor.model.createPositionAt(s,b+k));this.editor.execute("input",{text:v,range:y,resultRange:_})}_handleTextMutation(t,e){if("text"!=t.type)return;const n=t.newText.replace(/\u00A0/g," "),o=t.oldText.replace(/\u00A0/g," ");if(o===n)return;const i=Xo(o,n),{firstChangeAt:r,insertions:s,deletions:a}=Mc(i);let l=null;e&&(l=this.editing.mapper.toModelRange(e.getFirstRange()));const c=this.editing.view.createPositionAt(t.node,r),d=this.editing.mapper.toModelPosition(c),u=this.editor.model.createRange(d,d.getShiftedBy(a)),h=n.substr(r,s);this.editor.execute("input",{text:h,range:u,resultRange:l})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=Tc(t),n=this.editing.view.createPositionAt(t.node,e.index),o=this.editing.mapper.toModelPosition(n),i=e.values[0].data;this.editor.execute("input",{text:i.replace(/\u00A0/g," "),range:this.editor.model.createRange(o)})}}function Pc(t,e){return t.every((t=>e.isInline(t)))}function Mc(t){let e=null,n=null;for(let o=0;o<t.length;o++)"equal"!=t[o]&&(e=null===e?o:e,n=o);let o=0,i=0;for(let r=e;r<=n;r++)"insert"!=t[r]&&o++,"delete"!=t[r]&&i++;return{insertions:i,deletions:o,firstChangeAt:e}}class Ic extends Zl{static get pluginName(){return"Input"}init(){const t=this.editor,e=new xc(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),function(t){let e=null;const n=t.model,o=t.editing.view,i=t.commands.get("input");function r(t){const r=n.document,a=o.document.isComposing,l=e&&e.isEqual(r.selection);e=null,i.isEnabled&&(Cc(t)||r.selection.isCollapsed||a&&229===t.keyCode||!a&&229===t.keyCode&&l||s())}function s(){const t=i.buffer;t.lock();const e=t.batch;i._batches.add(e),n.enqueueChange(e,(()=>{n.deleteContent(n.document.selection)})),t.unlock()}po?o.document.on("beforeinput",((t,e)=>r(e)),{priority:"lowest"}):o.document.on("keydown",((t,e)=>r(e)),{priority:"lowest"}),o.document.on("compositionstart",(function(){const t=n.document,e=1!==t.selection.rangeCount||t.selection.getFirstRange().isFlat;t.selection.isCollapsed||e||s()}),{priority:"lowest"}),o.document.on("compositionend",(()=>{e=n.createSelection(n.document.selection)}),{priority:"lowest"})}(t),function(t){t.editing.view.document.on("mutations",((e,n,o)=>{new Ec(t).handle(n,o)}))}(t)}isInput(t){return this.editor.commands.get("input")._batches.has(t)}}class Nc extends rc{constructor(t,e){super(t),this.direction=e,this._buffer=new yc(t.model,t.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model,n=e.document;e.enqueueChange(this._buffer.batch,(o=>{this._buffer.lock();const i=o.createSelection(t.selection||n.selection),r=i.isCollapsed;if(i.isCollapsed&&e.modifySelection(i,{direction:this.direction,unit:t.unit}),this._shouldEntireContentBeReplacedWithParagraph(t.sequence||1))return void this._replaceEntireContentWithParagraph(o);if(i.isCollapsed)return;let s=0;i.getFirstRange().getMinimalFlatRanges().forEach((t=>{s+=no(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))})),e.deleteContent(i,{doNotResetEntireContent:r,direction:this.direction}),this._buffer.input(s),o.setSelection(i),this._buffer.unlock()}))}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1)return!1;const e=this.editor.model,n=e.document.selection,o=e.schema.getLimitElement(n);if(!n.isCollapsed||!n.containsEntireContent(o))return!1;if(!e.schema.checkChild(o,"paragraph"))return!1;const i=o.getChild(0);return!i||"paragraph"!==i.name}_replaceEntireContentWithParagraph(t){const e=this.editor.model,n=e.document.selection,o=e.schema.getLimitElement(n),i=t.createElement("paragraph");t.remove(t.createRangeIn(o)),t.insert(i,o),t.setSelection(i,0)}}class Oc extends ki{constructor(t){super(t);const e=t.document;let n=0;function o(t,n,o){let i;e.once("delete",(t=>i=t),{priority:Number.POSITIVE_INFINITY}),e.fire("delete",new Di(e,n,o)),i&&i.stop.called&&t.stop()}e.on("keyup",((t,e)=>{e.keyCode!=ko.delete&&e.keyCode!=ko.backspace||(n=0)})),e.on("keydown",((t,e)=>{const i={};if(e.keyCode==ko.delete)i.direction="forward",i.unit="character";else{if(e.keyCode!=ko.backspace)return;i.direction="backward",i.unit="codePoint"}const r=fo?e.altKey:e.ctrlKey;i.unit=r?"word":i.unit,i.sequence=++n,o(t,e.domEvent,i)})),po&&e.on("beforeinput",((e,n)=>{if("deleteContentBackward"!=n.domEvent.inputType)return;const i={unit:"codepoint",direction:"backward",sequence:1},r=n.domTarget.ownerDocument.defaultView.getSelection();r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset&&(i.selectionToRemove=t.domConverter.domSelectionToView(r)),o(e,n.domEvent,i)}))}observe(){}}class Rc extends Zl{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,n=e.document;if(e.addObserver(Oc),t.commands.add("forwardDelete",new Nc(t,"forward")),t.commands.add("delete",new Nc(t,"backward")),this.listenTo(n,"delete",((n,o)=>{const i={unit:o.unit,sequence:o.sequence};if(o.selectionToRemove){const e=t.model.createSelection(),n=[];for(const e of o.selectionToRemove.getRanges())n.push(t.editing.mapper.toModelRange(e));e.setTo(n),i.selection=e}t.execute("forward"==o.direction?"forwardDelete":"delete",i),o.preventDefault(),e.scrollToTheSelection()})),po){let t=null;this.listenTo(n,"delete",((e,n)=>{const o=n.domTarget.ownerDocument.defaultView.getSelection();t={anchorNode:o.anchorNode,anchorOffset:o.anchorOffset,focusNode:o.focusNode,focusOffset:o.focusOffset}}),{priority:"lowest"}),this.listenTo(n,"keyup",((e,n)=>{if(t){const e=n.domTarget.ownerDocument.defaultView.getSelection();e.collapse(t.anchorNode,t.anchorOffset),e.extend(t.focusNode,t.focusOffset),t=null}}))}}}class Dc extends Zl{static get requires(){return[Ic,Rc]}static get pluginName(){return"Typing"}}const Lc=new Map;function zc(t,e,n){let o=Lc.get(t);o||(o=new Map,Lc.set(t,o)),o.set(e,n)}function Vc(t){return[t]}function jc(t,e,n={}){const o=function(t,e){const n=Lc.get(t);return n&&n.has(e)?n.get(e):Vc}(t.constructor,e.constructor);try{return o(t=t.clone(),e,n)}catch(t){throw t}}function Bc(t,e,n){t=t.slice(),e=e.slice();const o=new Fc(n.document,n.useRelations,n.forceWeakRemove);o.setOriginalOperations(t),o.setOriginalOperations(e);const i=o.originalOperations;if(0==t.length||0==e.length)return{operationsA:t,operationsB:e,originalOperations:i};const r=new WeakMap;for(const e of t)r.set(e,0);const s={nextBaseVersionA:t[t.length-1].baseVersion+1,nextBaseVersionB:e[e.length-1].baseVersion+1,originalOperationsACount:t.length,originalOperationsBCount:e.length};let a=0;for(;a<t.length;){const n=t[a],i=r.get(n);if(i==e.length){a++;continue}const s=e[i],l=jc(n,s,o.getContext(n,s,!0)),c=jc(s,n,o.getContext(s,n,!1));o.updateRelation(n,s),o.setOriginalOperations(l,n),o.setOriginalOperations(c,s);for(const t of l)r.set(t,i+c.length);t.splice(a,1,...l),e.splice(i,1,...c)}if(n.padWithNoOps){const n=t.length-s.originalOperationsACount,o=e.length-s.originalOperationsBCount;Uc(t,o-n),Uc(e,n-o)}return Hc(t,s.nextBaseVersionB),Hc(e,s.nextBaseVersionA),{operationsA:t,operationsB:e,originalOperations:i}}class Fc{constructor(t,e,n=!1){this.originalOperations=new Map,this._history=t.history,this._useRelations=e,this._forceWeakRemove=!!n,this._relations=new Map}setOriginalOperations(t,e=null){const n=e?this.originalOperations.get(e):null;for(const e of t)this.originalOperations.set(e,n||e)}updateRelation(t,e){switch(t.constructor){case $s:switch(e.constructor){case Js:t.targetPosition.isEqual(e.sourcePosition)||e.movedRange.containsPosition(t.targetPosition)?this._setRelation(t,e,"insertAtSource"):t.targetPosition.isEqual(e.deletionPosition)?this._setRelation(t,e,"insertBetween"):t.targetPosition.isAfter(e.sourcePosition)&&this._setRelation(t,e,"moveTargetAfter");break;case $s:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,"insertBefore"):this._setRelation(t,e,"insertAfter")}break;case Zs:switch(e.constructor){case Js:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,"splitBefore");break;case $s:(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))&&this._setRelation(t,e,"splitBefore")}break;case Js:switch(e.constructor){case Js:t.targetPosition.isEqual(e.sourcePosition)||this._setRelation(t,e,"mergeTargetNotMoved"),t.sourcePosition.isEqual(e.targetPosition)&&this._setRelation(t,e,"mergeSourceNotMoved"),t.sourcePosition.isEqual(e.sourcePosition)&&this._setRelation(t,e,"mergeSameElement");break;case Zs:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,"splitAtSource")}break;case Gs:{const n=t.newRange;if(!n)return;switch(e.constructor){case $s:{const o=Sr._createFromPositionAndShift(e.sourcePosition,e.howMany),i=o.containsPosition(n.start)||o.start.isEqual(n.start),r=o.containsPosition(n.end)||o.end.isEqual(n.end);!i&&!r||o.containsRange(n)||this._setRelation(t,e,{side:i?"left":"right",path:i?n.start.path.slice():n.end.path.slice()});break}case Js:{const o=n.start.isEqual(e.targetPosition),i=n.start.isEqual(e.deletionPosition),r=n.end.isEqual(e.deletionPosition),s=n.end.isEqual(e.sourcePosition);(o||i||r||s)&&this._setRelation(t,e,{wasInLeftElement:o,wasStartBeforeMergedElement:i,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}getContext(t,e,n){return{aIsStrong:n,aWasUndone:this._wasUndone(t),bWasUndone:this._wasUndone(e),abRelation:this._useRelations?this._getRelation(t,e):null,baRelation:this._useRelations?this._getRelation(e,t):null,forceWeakRemove:this._forceWeakRemove}}_wasUndone(t){const e=this.originalOperations.get(t);return e.wasUndone||this._history.isUndoneOperation(e)}_getRelation(t,e){const n=this.originalOperations.get(e),o=this._history.getUndoneOperation(n);if(!o)return null;const i=this.originalOperations.get(t),r=this._relations.get(i);return r&&r.get(o)||null}_setRelation(t,e,n){const o=this.originalOperations.get(t),i=this.originalOperations.get(e);let r=this._relations.get(o);r||(r=new Map,this._relations.set(o,r)),r.set(i,n)}}function Hc(t,e){for(const n of t)n.baseVersion=e++}function Uc(t,e){for(let n=0;n<e;n++)t.push(new ba(0))}function qc(t,e,n){const o=t.nodes.getNode(0).getAttribute(e);if(o==n)return null;const i=new Sr(t.position,t.position.getShiftedBy(t.howMany));return new qs(i,e,o,n,0)}function Wc(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function $c(t,e){const n=[];for(let o=0;o<t.length;o++){const i=t[o],r=new $s(i.start,i.end.offset-i.start.offset,e,0);n.push(r);for(let e=o+1;e<t.length;e++)t[e]=t[e]._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)[0];e=e._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)}return n}zc(qs,qs,((t,e,n)=>{if(t.key===e.key&&t.range.start.hasSameParentAs(e.range.start)){const o=t.range.getDifference(e.range).map((e=>new qs(e,t.key,t.oldValue,t.newValue,0))),i=t.range.getIntersection(e.range);return i&&n.aIsStrong&&o.push(new qs(i,e.key,e.newValue,t.newValue,0)),0==o.length?[new ba(0)]:o}return[t]})),zc(qs,Ys,((t,e)=>{if(t.range.start.hasSameParentAs(e.position)&&t.range.containsPosition(e.position)){const n=t.range._getTransformedByInsertion(e.position,e.howMany,!e.shouldReceiveAttributes).map((e=>new qs(e,t.key,t.oldValue,t.newValue,t.baseVersion)));if(e.shouldReceiveAttributes){const o=qc(e,t.key,t.oldValue);o&&n.unshift(o)}return n}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]})),zc(qs,Js,((t,e)=>{const n=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&n.push(Sr._createFromPositionAndShift(e.graveyardPosition,1));const o=t.range._getTransformedByMergeOperation(e);return o.isCollapsed||n.push(o),n.map((e=>new qs(e,t.key,t.oldValue,t.newValue,t.baseVersion)))})),zc(qs,$s,((t,e)=>function(t,e){const n=Sr._createFromPositionAndShift(e.sourcePosition,e.howMany);let o=null,i=[];n.containsRange(t,!0)?o=t:t.start.hasSameParentAs(n.start)?(i=t.getDifference(n),o=t.getIntersection(n)):i=[t];const r=[];for(let t of i){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const n=e.getMovedRangeStart(),o=t.start.hasSameParentAs(n);t=t._getTransformedByInsertion(n,e.howMany,o),r.push(...t)}return o&&r.push(o._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,!1)[0]),r}(t.range,e).map((e=>new qs(e,t.key,t.oldValue,t.newValue,t.baseVersion))))),zc(qs,Zs,((t,e)=>{if(t.range.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.range.end.offset++,[t];if(t.range.start.hasSameParentAs(e.splitPosition)&&t.range.containsPosition(e.splitPosition)){const n=t.clone();return n.range=new Sr(e.moveTargetPosition.clone(),t.range.end._getCombined(e.splitPosition,e.moveTargetPosition)),t.range.end=e.splitPosition.clone(),t.range.end.stickiness="toPrevious",[t,n]}return t.range=t.range._getTransformedBySplitOperation(e),[t]})),zc(Ys,qs,((t,e)=>{const n=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const o=qc(t,e.key,e.newValue);o&&n.push(o)}return n})),zc(Ys,Ys,((t,e,n)=>(t.position.isEqual(e.position)&&n.aIsStrong||(t.position=t.position._getTransformedByInsertOperation(e)),[t]))),zc(Ys,$s,((t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t]))),zc(Ys,Zs,((t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t]))),zc(Ys,Js,((t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t]))),zc(Gs,Ys,((t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t]))),zc(Gs,Gs,((t,e,n)=>{if(t.name==e.name){if(!n.aIsStrong)return[new ba(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]})),zc(Gs,Js,((t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t]))),zc(Gs,$s,((t,e,n)=>{if(t.oldRange&&(t.oldRange=Sr._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(n.abRelation){const o=Sr._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if("left"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.start))return t.newRange.start.path=n.abRelation.path,t.newRange.end=o.end,[t];if("right"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.end))return t.newRange.start=o.start,t.newRange.end.path=n.abRelation.path,[t]}t.newRange=Sr._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]})),zc(Gs,Zs,((t,e,n)=>{if(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange){if(n.abRelation){const o=t.newRange._getTransformedBySplitOperation(e);return t.newRange.start.isEqual(e.splitPosition)&&n.abRelation.wasStartBeforeMergedElement?t.newRange.start=xr._createAt(e.insertionPosition):t.newRange.start.isEqual(e.splitPosition)&&!n.abRelation.wasInLeftElement&&(t.newRange.start=xr._createAt(e.moveTargetPosition)),t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasInRightElement?t.newRange.end=xr._createAt(e.moveTargetPosition):t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasEndBeforeMergedElement?t.newRange.end=xr._createAt(e.insertionPosition):t.newRange.end=o.end,[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]})),zc(Js,Ys,((t,e)=>(t.sourcePosition.hasSameParentAs(e.position)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByInsertOperation(e),t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e),[t]))),zc(Js,Js,((t,e,n)=>{if(t.sourcePosition.isEqual(e.sourcePosition)&&t.targetPosition.isEqual(e.targetPosition)){if(n.bWasUndone){const n=e.graveyardPosition.path.slice();return n.push(0),t.sourcePosition=new xr(e.graveyardPosition.root,n),t.howMany=0,[t]}return[new ba(0)]}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!n.bWasUndone&&"splitAtSource"!=n.abRelation){const o="$graveyard"==t.targetPosition.root.rootName,i="$graveyard"==e.targetPosition.root.rootName,r=o&&!i;if(i&&!o||!r&&n.aIsStrong){const n=e.targetPosition._getTransformedByMergeOperation(e),o=t.targetPosition._getTransformedByMergeOperation(e);return[new $s(n,t.howMany,o,0)]}return[new ba(0)]}return t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMergeOperation(e),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),t.graveyardPosition.isEqual(e.graveyardPosition)&&n.aIsStrong||(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]})),zc(Js,$s,((t,e,n)=>{const o=Sr._createFromPositionAndShift(e.sourcePosition,e.howMany);return"remove"==e.type&&!n.bWasUndone&&!n.forceWeakRemove&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&o.containsPosition(t.sourcePosition)?[new ba(0)]:(t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition.hasSameParentAs(e.sourcePosition)&&(t.howMany-=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMoveOperation(e),t.targetPosition=t.targetPosition._getTransformedByMoveOperation(e),t.graveyardPosition.isEqual(e.targetPosition)||(t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)),[t])})),zc(Js,Zs,((t,e,n)=>{if(e.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByDeletion(e.graveyardPosition,1),t.deletionPosition.isEqual(e.graveyardPosition)&&(t.howMany=e.howMany)),t.targetPosition.isEqual(e.splitPosition)){const o=0!=e.howMany,i=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(o||i||"mergeTargetNotMoved"==n.abRelation)return t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),[t]}if(t.sourcePosition.isEqual(e.splitPosition)){if("mergeSourceNotMoved"==n.abRelation)return t.howMany=0,t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t];if("mergeSameElement"==n.abRelation||t.sourcePosition.offset>0)return t.sourcePosition=e.moveTargetPosition.clone(),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}return t.sourcePosition.hasSameParentAs(e.splitPosition)&&(t.howMany=e.splitPosition.offset),t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]})),zc($s,Ys,((t,e)=>{const n=Sr._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByInsertOperation(e,!1)[0];return t.sourcePosition=n.start,t.howMany=n.end.offset-n.start.offset,t.targetPosition.isEqual(e.position)||(t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)),[t]})),zc($s,$s,((t,e,n)=>{const o=Sr._createFromPositionAndShift(t.sourcePosition,t.howMany),i=Sr._createFromPositionAndShift(e.sourcePosition,e.howMany);let r,s=n.aIsStrong,a=!n.aIsStrong;if("insertBefore"==n.abRelation||"insertAfter"==n.baRelation?a=!0:"insertAfter"!=n.abRelation&&"insertBefore"!=n.baRelation||(a=!1),r=t.targetPosition.isEqual(e.targetPosition)&&a?t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany):t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),Wc(t,e)&&Wc(e,t))return[e.getReversed()];if(o.containsPosition(e.targetPosition)&&o.containsRange(i,!0))return o.start=o.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),o.end=o.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),$c([o],r);if(i.containsPosition(t.targetPosition)&&i.containsRange(o,!0))return o.start=o.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),o.end=o.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),$c([o],r);const l=Fe(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if("prefix"==l||"extension"==l)return o.start=o.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),o.end=o.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),$c([o],r);"remove"!=t.type||"remove"==e.type||n.aWasUndone||n.forceWeakRemove?"remove"==t.type||"remove"!=e.type||n.bWasUndone||n.forceWeakRemove||(s=!1):s=!0;const c=[],d=o.getDifference(i);for(const t of d){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany),t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const n="same"==Fe(t.start.getParentPath(),e.getMovedRangeStart().getParentPath()),o=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,n);c.push(...o)}const u=o.getIntersection(i);return null!==u&&s&&(u.start=u.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),u.end=u.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),0===c.length?c.push(u):1==c.length?i.start.isBefore(o.start)||i.start.isEqual(o.start)?c.unshift(u):c.push(u):c.splice(1,0,u)),0===c.length?[new ba(t.baseVersion)]:$c(c,r)})),zc($s,Zs,((t,e,n)=>{let o=t.targetPosition.clone();t.targetPosition.isEqual(e.insertionPosition)&&e.graveyardPosition&&"moveTargetAfter"!=n.abRelation||(o=t.targetPosition._getTransformedBySplitOperation(e));const i=Sr._createFromPositionAndShift(t.sourcePosition,t.howMany);if(i.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.howMany++,t.targetPosition=o,[t];if(i.start.hasSameParentAs(e.splitPosition)&&i.containsPosition(e.splitPosition)){let t=new Sr(e.splitPosition,i.end);return t=t._getTransformedBySplitOperation(e),$c([new Sr(i.start,e.splitPosition),t],o)}t.targetPosition.isEqual(e.splitPosition)&&"insertAtSource"==n.abRelation&&(o=e.moveTargetPosition),t.targetPosition.isEqual(e.insertionPosition)&&"insertBetween"==n.abRelation&&(o=t.targetPosition);const r=[i._getTransformedBySplitOperation(e)];if(e.graveyardPosition){const o=i.start.isEqual(e.graveyardPosition)||i.containsPosition(e.graveyardPosition);t.howMany>1&&o&&!n.aWasUndone&&r.push(Sr._createFromPositionAndShift(e.insertionPosition,1))}return $c(r,o)})),zc($s,Js,((t,e,n)=>{const o=Sr._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&o.containsPosition(e.sourcePosition))if("remove"!=t.type||n.forceWeakRemove){if(1==t.howMany)return n.bWasUndone?(t.sourcePosition=e.graveyardPosition.clone(),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]):[new ba(0)]}else if(!n.aWasUndone){const n=[];let o=e.graveyardPosition.clone(),i=e.targetPosition._getTransformedByMergeOperation(e);t.howMany>1&&(n.push(new $s(t.sourcePosition,t.howMany-1,t.targetPosition,0)),o=o._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1),i=i._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1));const r=e.deletionPosition._getCombined(t.sourcePosition,t.targetPosition),s=new $s(o,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const l=new xr(s.targetPosition.root,a);i=i._getTransformedByMove(o,r,1);const c=new $s(i,e.howMany,l,0);return n.push(s),n.push(c),n}const i=Sr._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByMergeOperation(e);return t.sourcePosition=i.start,t.howMany=i.end.offset-i.start.offset,t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]})),zc(Ks,Ys,((t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t]))),zc(Ks,Js,((t,e)=>t.position.isEqual(e.deletionPosition)?(t.position=e.graveyardPosition.clone(),t.position.stickiness="toNext",[t]):(t.position=t.position._getTransformedByMergeOperation(e),[t]))),zc(Ks,$s,((t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t]))),zc(Ks,Ks,((t,e,n)=>{if(t.position.isEqual(e.position)){if(!n.aIsStrong)return[new ba(0)];t.oldName=e.newName}return[t]})),zc(Ks,Zs,((t,e)=>{if("same"==Fe(t.position.path,e.splitPosition.getParentPath())&&!e.graveyardPosition){const e=new Ks(t.position.getShiftedBy(1),t.oldName,t.newName,0);return[t,e]}return t.position=t.position._getTransformedBySplitOperation(e),[t]})),zc(Qs,Qs,((t,e,n)=>{if(t.root===e.root&&t.key===e.key){if(!n.aIsStrong||t.newValue===e.newValue)return[new ba(0)];t.oldValue=e.newValue}return[t]})),zc(Zs,Ys,((t,e)=>(t.splitPosition.hasSameParentAs(e.position)&&t.splitPosition.offset<e.position.offset&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByInsertOperation(e),t.insertionPosition=Zs.getInsertionPosition(t.splitPosition),[t]))),zc(Zs,Js,((t,e,n)=>{if(!t.graveyardPosition&&!n.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const n=e.graveyardPosition.path.slice();n.push(0);const o=new xr(e.graveyardPosition.root,n),i=Zs.getInsertionPosition(new xr(e.graveyardPosition.root,n)),r=new Zs(o,0,null,0);return r.insertionPosition=i,t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=Zs.getInsertionPosition(t.splitPosition),t.graveyardPosition=r.insertionPosition.clone(),t.graveyardPosition.stickiness="toNext",[r,t]}return t.splitPosition.hasSameParentAs(e.deletionPosition)&&!t.splitPosition.isAfter(e.deletionPosition)&&t.howMany--,t.splitPosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=Zs.getInsertionPosition(t.splitPosition),t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]})),zc(Zs,$s,((t,e,n)=>{const o=Sr._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){const i=o.start.isEqual(t.graveyardPosition)||o.containsPosition(t.graveyardPosition);if(!n.bWasUndone&&i){const n=t.splitPosition._getTransformedByMoveOperation(e),o=t.graveyardPosition._getTransformedByMoveOperation(e),i=o.path.slice();i.push(0);const r=new xr(o.root,i);return[new $s(n,t.howMany,r,0)]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&o.containsPosition(t.splitPosition)){const n=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);return t.howMany-=n,t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany),t.splitPosition=e.sourcePosition.clone(),t.insertionPosition=Zs.getInsertionPosition(t.splitPosition),[t]}return!t.splitPosition.isEqual(e.targetPosition)||"insertAtSource"!=n.baRelation&&"splitBefore"!=n.abRelation?(e.sourcePosition.isEqual(e.targetPosition)||(t.splitPosition.hasSameParentAs(e.sourcePosition)&&t.splitPosition.offset<=e.sourcePosition.offset&&(t.howMany-=e.howMany),t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany)),t.splitPosition.stickiness="toNone",t.splitPosition=t.splitPosition._getTransformedByMoveOperation(e),t.splitPosition.stickiness="toNext",t.graveyardPosition?t.insertionPosition=t.insertionPosition._getTransformedByMoveOperation(e):t.insertionPosition=Zs.getInsertionPosition(t.splitPosition),[t]):(t.howMany+=e.howMany,t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany),t.insertionPosition=Zs.getInsertionPosition(t.splitPosition),[t])})),zc(Zs,Zs,((t,e,n)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new ba(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new ba(0)];if("splitBefore"==n.abRelation)return t.howMany=0,t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e),[t]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const o="$graveyard"==t.splitPosition.root.rootName,i="$graveyard"==e.splitPosition.root.rootName,r=o&&!i;if(i&&!o||!r&&n.aIsStrong){const n=[];return e.howMany&&n.push(new $s(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&n.push(new $s(t.splitPosition,t.howMany,t.moveTargetPosition,0)),n}return[new ba(0)]}if(t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)),t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==n.abRelation)return t.howMany++,[t];if(e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==n.baRelation){const n=e.insertionPosition.path.slice();n.push(0);const o=new xr(e.insertionPosition.root,n);return[t,new $s(t.insertionPosition,1,o,0)]}return t.splitPosition.hasSameParentAs(e.splitPosition)&&t.splitPosition.offset<e.splitPosition.offset&&(t.howMany-=e.howMany),t.splitPosition=t.splitPosition._getTransformedBySplitOperation(e),t.insertionPosition=Zs.getInsertionPosition(t.splitPosition),[t]}));class Yc extends rc{constructor(t){super(t),this._stack=[],this._createdBatches=new WeakSet,this.refresh(),this.listenTo(t.data,"set",(()=>this.clearStack()))}refresh(){this.isEnabled=this._stack.length>0}addBatch(t){const e=this.editor.model.document.selection,n={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:n}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(t,e,n){const o=this.editor.model,i=o.document,r=[],s=t.map((t=>t.getTransformedByOperations(n))),a=s.flat();for(const t of s){const e=t.filter((t=>!Kc(t,a)));Gc(e);const n=e.find((t=>t.root!=i.graveyard));n&&r.push(n)}r.length&&o.change((t=>{t.setSelection(r,{backward:e})}))}_undo(t,e){const n=this.editor.model,o=n.document;this._createdBatches.add(e);const i=t.operations.slice().filter((t=>t.isDocumentOperation));i.reverse();for(const t of i){const i=t.baseVersion+1,r=Array.from(o.history.getOperations(i)),s=Bc([t.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const i of s)e.addOperation(i),n.applyOperation(i),o.history.setOperationAsUndone(t,i)}}}function Gc(t){t.sort(((t,e)=>t.start.isBefore(e.start)?-1:1));for(let e=1;e<t.length;e++){const n=t[e-1].getJoined(t[e],!0);n&&(e--,t.splice(e,2,n))}}function Kc(t,e){return e.some((e=>e!==t&&e.containsRange(t,!0)))}class Qc extends Yc{execute(t=null){const e=t?this._stack.findIndex((e=>e.batch==t)):this._stack.length-1,n=this._stack.splice(e,1)[0],o=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(o,(()=>{this._undo(n.batch,o);const t=this.editor.model.document.history.getOperations(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,t),this.fire("revert",n.batch,o)})),this.refresh()}}class Jc extends Yc{execute(){const t=this._stack.pop(),e=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(e,(()=>{const n=t.batch.operations[t.batch.operations.length-1].baseVersion+1,o=this.editor.model.document.history.getOperations(n);this._restoreSelection(t.selection.ranges,t.selection.isBackward,o),this._undo(t.batch,e)})),this.refresh()}}class Zc extends Zl{static get pluginName(){return"UndoEditing"}constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new Qc(t),this._redoCommand=new Jc(t),t.commands.add("undo",this._undoCommand),t.commands.add("redo",this._redoCommand),this.listenTo(t.model,"applyOperation",((t,e)=>{const n=e[0];if(!n.isDocumentOperation)return;const o=n.batch,i=this._redoCommand._createdBatches.has(o),r=this._undoCommand._createdBatches.has(o);this._batchRegistry.has(o)||"transparent"==o.type&&!i&&!r||(i?this._undoCommand.addBatch(o):r||(this._undoCommand.addBatch(o),this._redoCommand.clearStack()),this._batchRegistry.add(o))}),{priority:"highest"}),this.listenTo(this._undoCommand,"revert",((t,e,n)=>{this._redoCommand.addBatch(n)})),t.keystrokes.set("CTRL+Z","undo"),t.keystrokes.set("CTRL+Y","redo"),t.keystrokes.set("CTRL+SHIFT+Z","redo")}}var Xc='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.042 9.367l2.189 1.837a.75.75 0 0 1-.965 1.149l-3.788-3.18a.747.747 0 0 1-.21-.284.75.75 0 0 1 .17-.945L6.23 4.762a.75.75 0 1 1 .964 1.15L4.863 7.866h8.917A.75.75 0 0 1 14 7.9a4 4 0 1 1-1.477 7.718l.344-1.489a2.5 2.5 0 1 0 1.094-4.73l.008-.032H5.042z"/></svg>',td='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M14.958 9.367l-2.189 1.837a.75.75 0 0 0 .965 1.149l3.788-3.18a.747.747 0 0 0 .21-.284.75.75 0 0 0-.17-.945L13.77 4.762a.75.75 0 1 0-.964 1.15l2.331 1.955H6.22A.75.75 0 0 0 6 7.9a4 4 0 1 0 1.477 7.718l-.344-1.489A2.5 2.5 0 1 1 6.039 9.4l-.008-.032h8.927z"/></svg>';class ed extends Zl{init(){const t=this.editor,e=t.locale,n=t.t,o="ltr"==e.uiLanguageDirection?Xc:td,i="ltr"==e.uiLanguageDirection?td:Xc;this._addButton("undo",n("Undo"),"CTRL+Z",o),this._addButton("redo",n("Redo"),"CTRL+Y",i)}_addButton(t,e,n,o){const i=this.editor;i.ui.componentFactory.add(t,(r=>{const s=i.commands.get(t),a=new Dl(r);return a.set({label:e,icon:o,keystroke:n,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",(()=>{i.execute(t),i.editing.view.focus()})),a}))}}class nd extends Zl{static get requires(){return[Zc,ed]}static get pluginName(){return"Undo"}}function od(t){const e=t.next();return e.done?null:e.value}const id=["left","right","center","justify"];function rd(t){return id.includes(t)}function sd(t,e){return"rtl"==e.contentLanguageDirection?"right"===t:"left"===t}class ad extends rc{refresh(){const t=this.editor.locale,e=od(this.editor.model.document.selection.getSelectedBlocks());this.isEnabled=!!e&&this._canBeAligned(e),this.isEnabled&&e.hasAttribute("alignment")?this.value=e.getAttribute("alignment"):this.value="rtl"===t.contentLanguageDirection?"right":"left"}execute(t={}){const e=this.editor,n=e.locale,o=e.model,i=o.document,r=t.value;o.change((t=>{const e=Array.from(i.selection.getSelectedBlocks()).filter((t=>this._canBeAligned(t))),o=e[0].getAttribute("alignment");sd(r,n)||o===r||!r?function(t,e){for(const n of t)e.removeAttribute("alignment",n)}(e,t):function(t,e,n){for(const o of t)e.setAttribute("alignment",n,o)}(e,t,r)}))}_canBeAligned(t){return this.editor.model.schema.checkAttribute(t,"alignment")}}class ld extends Zl{static get pluginName(){return"AlignmentEditing"}constructor(t){super(t),t.config.define("alignment",{options:[...id]})}init(){const t=this.editor,e=t.locale,n=t.model.schema,o=t.config.get("alignment.options").filter(rd);n.extend("$block",{allowAttributes:"alignment"}),t.model.schema.setAttributeProperties("alignment",{isFormatting:!0});const i=function(t){const e={model:{key:"alignment",values:t.slice()},view:{}};for(const n of t)e.view[n]={key:"style",value:{"text-align":n}};return e}(o.filter((t=>!sd(t,e))));t.conversion.attributeToAttribute(i),t.commands.add("alignment",new ad(t))}}var cd='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 4c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75z"/></svg>',dd='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M18 3.75a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 0-1.5h14.5a.75.75 0 0 1 .75.75zm0 8a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 0-1.5h14.5a.75.75 0 0 1 .75.75zm0 4a.75.75 0 0 1-.75.75H7.321a.75.75 0 1 1 0-1.5h9.929a.75.75 0 0 1 .75.75zm0-8a.75.75 0 0 1-.75.75H7.321a.75.75 0 1 1 0-1.5h9.929a.75.75 0 0 1 .75.75z"/></svg>';const ud=new Map([["left",cd],["right",dd],["center",'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm2.286 4c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75z"/></svg>'],["justify",'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 4c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75z"/></svg>']]);class hd extends Zl{get localizedOptionTitles(){const t=this.editor.t;return{left:t("Align left"),right:t("Align right"),center:t("Align center"),justify:t("Justify")}}static get pluginName(){return"AlignmentUI"}init(){const t=this.editor,e=t.ui.componentFactory,n=t.t,o=t.config.get("alignment.options");o.filter(rd).forEach((t=>this._addButton(t))),e.add("alignment",(t=>{const i=Ul(t),r=o.map((t=>e.create("alignment:"+t)));ql(i,r),i.buttonView.set({label:n("Text alignment"),tooltip:!0}),i.toolbarView.isVertical=!0,i.toolbarView.ariaLabel=n("Text alignment toolbar"),i.extendTemplate({attributes:{class:"ck-alignment-dropdown"}});const s="rtl"===t.contentLanguageDirection?dd:cd;return i.buttonView.bind("icon").toMany(r,"isOn",((...t)=>{const e=t.findIndex((t=>t));return e<0?s:r[e].icon})),i.bind("isEnabled").toMany(r,"isEnabled",((...t)=>t.some((t=>t)))),i}))}_addButton(t){const e=this.editor;e.ui.componentFactory.add("alignment:"+t,(n=>{const o=e.commands.get("alignment"),i=new Dl(n);return i.set({label:this.localizedOptionTitles[t],icon:ud.get(t),tooltip:!0,isToggleable:!0}),i.bind("isEnabled").to(o),i.bind("isOn").to(o,"value",(e=>e===t)),this.listenTo(i,"execute",(()=>{e.execute("alignment",{value:t}),e.editing.view.focus()})),i}))}}class fd extends rc{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute(this.attributeKey),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,o=t.value;e.change((t=>{if(n.isCollapsed)o?t.setSelectionAttribute(this.attributeKey,o):t.removeSelectionAttribute(this.attributeKey);else{const i=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of i)o?t.setAttribute(this.attributeKey,o,e):t.removeAttribute(this.attributeKey,e)}}))}}class md extends Dl{constructor(t){super(t);const e=this.bindTemplate;this.set("color"),this.set("hasBorder"),this.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path class="ck-icon__fill" d="M16.935 5.328a2 2 0 0 1 0 2.829l-7.778 7.778a2 2 0 0 1-2.829 0L3.5 13.107a1.999 1.999 0 1 1 2.828-2.829l.707.707a1 1 0 0 0 1.414 0l5.658-5.657a2 2 0 0 1 2.828 0z"/><path d="M14.814 6.035L8.448 12.4a1 1 0 0 1-1.414 0l-1.413-1.415A1 1 0 1 0 4.207 12.4l2.829 2.829a1 1 0 0 0 1.414 0l7.778-7.778a1 1 0 1 0-1.414-1.415z"/></svg>',this.extendTemplate({attributes:{style:{backgroundColor:e.to("color")},class:["ck","ck-color-grid__tile",e.if("hasBorder","ck-color-table__color-tile_bordered")]}})}render(){super.render(),this.iconView.fillColor="hsl(0, 0%, 100%)"}}n(38);class gd extends pl{constructor(t,e){super(t);const n=e&&e.colorDefinitions||[],o={};e&&e.columns&&(o.gridTemplateColumns=`repeat( ${e.columns}, 1fr)`),this.set("selectedColor"),this.items=this.createCollection(),this.focusTracker=new Ua,this.keystrokes=new Da,this._focusCycler=new yl({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowleft",focusNext:"arrowright"}}),this.items.on("add",((t,e)=>{e.isOn=e.color===this.selectedColor})),n.forEach((t=>{const e=new md;e.set({color:t.color,label:t.label,tooltip:!0,hasBorder:t.options.hasBorder}),e.on("execute",(()=>{this.fire("execute",{value:t.color,hasBorder:t.options.hasBorder,label:t.label})})),this.items.add(e)})),this.setTemplate({tag:"div",children:this.items,attributes:{class:["ck","ck-color-grid"],style:o}}),this.on("change:selectedColor",((t,e,n)=>{for(const t of this.items)t.isOn=t.color===n}))}focus(){this.items.length&&this.items.first.focus()}focusLast(){this.items.length&&this.items.last.focus()}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",((t,e)=>{this.focusTracker.add(e.element)})),this.items.on("remove",((t,e)=>{this.focusTracker.remove(e.element)})),this.keystrokes.listenTo(this.element)}}n(40);class pd extends pl{constructor(t){super(t),this.set("text"),this.set("for"),this.id="ck-editor__label_"+ve();const e=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],id:this.id,for:e.to("for")},children:[{text:e.to("text")}]})}}class bd extends De{constructor(t){super(t),this.set("isEmpty",!0),this.on("change",(()=>{this.set("isEmpty",0===this.length)}))}add(t,e){this.find((e=>e.color===t.color))||super.add(t,e)}hasColor(t){return!!this.find((e=>e.color===t))}}Re(bd,Un),n(42);class wd extends pl{constructor(t,{colors:e,columns:n,removeButtonLabel:o,documentColorsLabel:i,documentColorsCount:r}){super(t),this.items=this.createCollection(),this.colorDefinitions=e,this.focusTracker=new Ua,this.keystrokes=new Da,this.set("selectedColor"),this.removeButtonLabel=o,this.columns=n,this.documentColors=new bd,this.documentColorsCount=r,this._focusCycler=new yl({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this._documentColorsLabel=i,this.setTemplate({tag:"div",attributes:{class:["ck","ck-color-table"]},children:this.items}),this.items.add(this._removeColorButton())}updateDocumentColors(t,e){const n=t.document,o=this.documentColorsCount;this.documentColors.clear();for(const i of n.getRootNames()){const r=n.getRoot(i),s=t.createRangeIn(r);for(const t of s.getItems())if(t.is("$textProxy")&&t.hasAttribute(e)&&(this._addColorToDocumentColors(t.getAttribute(e)),this.documentColors.length>=o))return}}updateSelectedColors(){const t=this.documentColorsGrid,e=this.staticColorsGrid,n=this.selectedColor;e.selectedColor=n,t&&(t.selectedColor=n)}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.keystrokes.listenTo(this.element)}appendGrids(){if(!this.staticColorsGrid&&(this.staticColorsGrid=this._createStaticColorsGrid(),this.items.add(this.staticColorsGrid),this.documentColorsCount)){const t=Ja.bind(this.documentColors,this.documentColors),e=new pd(this.locale);e.text=this._documentColorsLabel,e.extendTemplate({attributes:{class:["ck","ck-color-grid__label",t.if("isEmpty","ck-hidden")]}}),this.items.add(e),this.documentColorsGrid=this._createDocumentColorsGrid(),this.items.add(this.documentColorsGrid)}}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}_removeColorButton(){const t=new Dl;return t.set({withText:!0,icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.636 9.531l-2.758 3.94a.5.5 0 0 0 .122.696l3.224 2.284h1.314l2.636-3.736L8.636 9.53zm.288 8.451L5.14 15.396a2 2 0 0 1-.491-2.786l6.673-9.53a2 2 0 0 1 2.785-.49l3.742 2.62a2 2 0 0 1 .491 2.785l-7.269 10.053-2.147-.066z"/><path d="M4 18h5.523v-1H4zm-2 0h1v-1H2z"/></svg>',tooltip:!0,label:this.removeButtonLabel}),t.class="ck-color-table__remove-color",t.on("execute",(()=>{this.fire("execute",{value:null})})),t}_createStaticColorsGrid(){const t=new gd(this.locale,{colorDefinitions:this.colorDefinitions,columns:this.columns});return t.delegate("execute").to(this),t}_createDocumentColorsGrid(){const t=Ja.bind(this.documentColors,this.documentColors),e=new gd(this.locale,{columns:this.columns});return e.delegate("execute").to(this),e.extendTemplate({attributes:{class:t.if("isEmpty","ck-hidden")}}),e.items.bindTo(this.documentColors).using((t=>{const e=new md;return e.set({color:t.color,hasBorder:t.options&&t.options.hasBorder}),t.label&&e.set({label:t.label,tooltip:!0}),e.on("execute",(()=>{this.fire("execute",{value:t.color})})),e})),this.documentColors.on("change:isEmpty",((t,n,o)=>{o&&(e.selectedColor=null)})),e}_addColorToDocumentColors(t){const e=this.colorDefinitions.find((e=>e.color===t));e?this.documentColors.add(Object.assign({},e)):this.documentColors.add({color:t,label:t,options:{hasBorder:!1}})}}function kd(t,e){const n={model:{key:t,values:[]},view:{},upcastAlso:{}};for(const t of e)n.model.values.push(t.model),n.view[t.model]=t.view,t.upcastAlso&&(n.upcastAlso[t.model]=t.upcastAlso);return n}function _d(t){return e=>e.getStyle(t).replace(/\s/g,"")}function vd(t){return(e,{writer:n})=>n.createAttributeElement("span",{style:`${t}:${e}`},{priority:7})}class yd extends fd{constructor(t){super(t,"fontSize")}}function xd(t){return t.map((t=>function(t){if("object"==typeof(e=t)&&e.title&&e.model&&e.view)return Cd(t);var e;const n=function(t){return Ad[t]||Ad[t.model]}(t);return n?Cd(n):"default"===t?{model:void 0,title:"Default"}:function(t){let e;if("object"==typeof t){if(!t.model)throw new xe.a("font-size-invalid-definition",null,t);e=parseFloat(t.model)}else e=parseFloat(t);return isNaN(e)}(t)?void 0:function(t){return"number"!=typeof t&&"string"!=typeof t||(t={title:String(t),model:parseFloat(t)+"px"}),t.view={name:"span",styles:{"font-size":t.model}},Cd(t)}(t)}(t))).filter((t=>!!t))}const Ad={get tiny(){return{title:"Tiny",model:"tiny",view:{name:"span",classes:"text-tiny",priority:7}}},get small(){return{title:"Small",model:"small",view:{name:"span",classes:"text-small",priority:7}}},get big(){return{title:"Big",model:"big",view:{name:"span",classes:"text-big",priority:7}}},get huge(){return{title:"Huge",model:"huge",view:{name:"span",classes:"text-huge",priority:7}}}};function Cd(t){return t.view.priority||(t.view.priority=7),t}class Td extends Zl{static get pluginName(){return"FontSizeEditing"}constructor(t){super(t),t.config.define("fontSize",{options:["tiny","small","default","big","huge"],supportAllValues:!1})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"fontSize"}),t.model.schema.setAttributeProperties("fontSize",{isFormatting:!0,copyOnEnter:!0});const e=t.config.get("fontSize.supportAllValues"),n=kd("fontSize",xd(this.editor.config.get("fontSize.options")).filter((t=>t.model)));e?this._prepareAnyValueConverters(n):t.conversion.attributeToElement(n),t.commands.add("fontSize",new yd(t))}_prepareAnyValueConverters(t){const e=this.editor,n=t.model.values.filter((t=>!String(t).match(/[\d.]+[\w%]+/)));if(n.length)throw new xe.a("font-size-invalid-use-of-named-presets",null,{presets:n});e.conversion.for("downcast").attributeToElement({model:"fontSize",view:(t,{writer:e})=>{if(t)return e.createAttributeElement("span",{style:"font-size:"+t},{priority:7})}}),e.conversion.for("upcast").attributeToAttribute({model:{key:"fontSize",value:t=>t.getStyle("font-size")},view:{name:"span"}})}}class Sd{constructor(t,e){e&&Vn(this,e),t&&this.set(t)}}Re(Sd,Un),n(44);class Ed extends Zl{init(){const t=this.editor,e=t.t,n=this._getLocalizedOptions(),o=t.commands.get("fontSize");t.ui.componentFactory.add("fontSize",(i=>{const r=Ul(i);return Wl(r,function(t,e){const n=new De;for(const o of t){const t={type:"button",model:new Sd({commandName:"fontSize",commandParam:o.model,label:o.title,class:"ck-fontsize-option",withText:!0})};o.view&&o.view.styles&&t.model.set("labelStyle","font-size:"+o.view.styles["font-size"]),o.view&&o.view.classes&&t.model.set("class",`${t.model.class} ${o.view.classes}`),t.model.bind("isOn").to(e,"value",(t=>t===o.model)),n.add(t)}return n}(n,o)),r.buttonView.set({label:e("Font Size"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M9.816 11.5L7.038 4.785 4.261 11.5h5.555zm.62 1.5H3.641l-1.666 4.028H.312l5.789-14h1.875l5.789 14h-1.663L10.436 13zm7.55 2.279l.779-.779.707.707-2.265 2.265-2.193-2.265.707-.707.765.765V4.825c0-.042 0-.083.002-.123l-.77.77-.707-.707L17.207 2.5l2.265 2.265-.707.707-.782-.782c.002.043.003.089.003.135v10.454z"/></svg>',tooltip:!0}),r.extendTemplate({attributes:{class:["ck-font-size-dropdown"]}}),r.bind("isEnabled").to(o),this.listenTo(r,"execute",(e=>{t.execute(e.source.commandName,{value:e.source.commandParam}),t.editing.view.focus()})),r}))}_getLocalizedOptions(){const t=this.editor,e=t.t,n={Default:e("Default"),Tiny:e("Tiny"),Small:e("Small"),Big:e("Big"),Huge:e("Huge")};return xd(t.config.get("fontSize").options).map((t=>{const e=n[t.title];return e&&e!=t.title&&(t=Object.assign({},t,{title:e})),t}))}}class Pd extends fd{constructor(t){super(t,"fontFamily")}}function Md(t){return t.map(Id).filter((t=>!!t))}function Id(t){return"object"==typeof t?t:"default"===t?{title:"Default",model:void 0}:"string"==typeof t?function(t){const e=t.replace(/"|'/g,"").split(","),n=e[0],o=e.map(Nd).join(", ");return{title:n,model:o,view:{name:"span",styles:{"font-family":o},priority:7}}}(t):void 0}function Nd(t){return(t=t.trim()).indexOf(" ")>0&&(t=`'${t}'`),t}class Od extends Zl{static get pluginName(){return"FontFamilyEditing"}constructor(t){super(t),t.config.define("fontFamily",{options:["default","Arial, Helvetica, sans-serif","Courier New, Courier, monospace","Georgia, serif","Lucida Sans Unicode, Lucida Grande, sans-serif","Tahoma, Geneva, sans-serif","Times New Roman, Times, serif","Trebuchet MS, Helvetica, sans-serif","Verdana, Geneva, sans-serif"],supportAllValues:!1})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"fontFamily"}),t.model.schema.setAttributeProperties("fontFamily",{isFormatting:!0,copyOnEnter:!0});const e=kd("fontFamily",Md(t.config.get("fontFamily.options")).filter((t=>t.model)));t.config.get("fontFamily.supportAllValues")?this._prepareAnyValueConverters():t.conversion.attributeToElement(e),t.commands.add("fontFamily",new Pd(t))}_prepareAnyValueConverters(){const t=this.editor;t.conversion.for("downcast").attributeToElement({model:"fontFamily",view:(t,{writer:e})=>e.createAttributeElement("span",{style:"font-family:"+t},{priority:7})}),t.conversion.for("upcast").attributeToAttribute({model:{key:"fontFamily",value:t=>t.getStyle("font-family")},view:{name:"span",styles:{"font-family":/.*/}}})}}class Rd extends Zl{init(){const t=this.editor,e=t.t,n=this._getLocalizedOptions(),o=t.commands.get("fontFamily");t.ui.componentFactory.add("fontFamily",(i=>{const r=Ul(i);return Wl(r,function(t,e){const n=new De;for(const o of t){const t={type:"button",model:new Sd({commandName:"fontFamily",commandParam:o.model,label:o.title,withText:!0})};t.model.bind("isOn").to(e,"value",(t=>t===o.model||!(!t||!o.model)&&t.split(",")[0].replace(/'/g,"").toLowerCase()===o.model.toLowerCase())),o.view&&o.view.styles&&t.model.set("labelStyle","font-family: "+o.view.styles["font-family"]),n.add(t)}return n}(n,o)),r.buttonView.set({label:e("Font Family"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.03 3h6.149a.75.75 0 1 1 0 1.5h-5.514L11.03 3zm1.27 3h4.879a.75.75 0 1 1 0 1.5h-4.244L12.3 6zm1.27 3h3.609a.75.75 0 1 1 0 1.5h-2.973L13.57 9zm-2.754 2.5L8.038 4.785 5.261 11.5h5.555zm.62 1.5H4.641l-1.666 4.028H1.312l5.789-14h1.875l5.789 14h-1.663L11.436 13z"/></svg>',tooltip:!0}),r.extendTemplate({attributes:{class:"ck-font-family-dropdown"}}),r.bind("isEnabled").to(o),this.listenTo(r,"execute",(e=>{t.execute(e.source.commandName,{value:e.source.commandParam}),t.editing.view.focus()})),r}))}_getLocalizedOptions(){const t=this.editor,e=t.t;return Md(t.config.get("fontFamily").options).map((t=>("Default"===t.title&&(t.title=e("Default")),t)))}}class Dd extends fd{constructor(t){super(t,"fontColor")}}class Ld extends Zl{static get pluginName(){return"FontColorEditing"}constructor(t){super(t),t.config.define("fontColor",{colors:[{color:"hsl(0, 0%, 0%)",label:"Black"},{color:"hsl(0, 0%, 30%)",label:"Dim grey"},{color:"hsl(0, 0%, 60%)",label:"Grey"},{color:"hsl(0, 0%, 90%)",label:"Light grey"},{color:"hsl(0, 0%, 100%)",label:"White",hasBorder:!0},{color:"hsl(0, 75%, 60%)",label:"Red"},{color:"hsl(30, 75%, 60%)",label:"Orange"},{color:"hsl(60, 75%, 60%)",label:"Yellow"},{color:"hsl(90, 75%, 60%)",label:"Light green"},{color:"hsl(120, 75%, 60%)",label:"Green"},{color:"hsl(150, 75%, 60%)",label:"Aquamarine"},{color:"hsl(180, 75%, 60%)",label:"Turquoise"},{color:"hsl(210, 75%, 60%)",label:"Light blue"},{color:"hsl(240, 75%, 60%)",label:"Blue"},{color:"hsl(270, 75%, 60%)",label:"Purple"}],columns:5}),t.conversion.for("upcast").elementToAttribute({view:{name:"span",styles:{color:/[\s\S]+/}},model:{key:"fontColor",value:_d("color")}}),t.conversion.for("downcast").attributeToElement({model:"fontColor",view:vd("color")}),t.commands.add("fontColor",new Dd(t)),t.model.schema.extend("$text",{allowAttributes:"fontColor"}),t.model.schema.setAttributeProperties("fontColor",{isFormatting:!0,copyOnEnter:!0})}}function zd(t){return"string"==typeof t?{model:t,label:t,hasBorder:!1,view:{name:"span",styles:{color:t}}}:{model:t.color,label:t.label||t.color,hasBorder:void 0!==t.hasBorder&&t.hasBorder,view:{name:"span",styles:{color:""+t.color}}}}class Vd extends Zl{constructor(t,{commandName:e,icon:n,componentName:o,dropdownLabel:i}){super(t),this.commandName=e,this.componentName=o,this.icon=n,this.dropdownLabel=i,this.columns=t.config.get(this.componentName+".columns"),this.colorTableView=void 0}init(){const t=this.editor,e=t.locale,n=e.t,o=t.commands.get(this.commandName),i=function(t,e){const n=t.t,o={Black:n("Black"),"Dim grey":n("Dim grey"),Grey:n("Grey"),"Light grey":n("Light grey"),White:n("White"),Red:n("Red"),Orange:n("Orange"),Yellow:n("Yellow"),"Light green":n("Light green"),Green:n("Green"),Aquamarine:n("Aquamarine"),Turquoise:n("Turquoise"),"Light blue":n("Light blue"),Blue:n("Blue"),Purple:n("Purple")};return e.map((t=>{const e=o[t.label];return e&&e!=t.label&&(t.label=e),t}))}(e,t.config.get(this.componentName).colors.map(zd).filter((t=>!!t))),r=t.config.get(this.componentName+".documentColors");t.ui.componentFactory.add(this.componentName,(e=>{const s=Ul(e);return this.colorTableView=function({dropdownView:t,colors:e,columns:n,removeButtonLabel:o,documentColorsLabel:i,documentColorsCount:r}){const s=t.locale,a=new wd(s,{colors:e,columns:n,removeButtonLabel:o,documentColorsLabel:i,documentColorsCount:r});return t.colorTableView=a,t.panelView.children.add(a),a.delegate("execute").to(t,"execute"),a}({dropdownView:s,colors:i.map((t=>({label:t.label,color:t.model,options:{hasBorder:t.hasBorder}}))),columns:this.columns,removeButtonLabel:n("Remove color"),documentColorsLabel:0!==r?n("Document colors"):void 0,documentColorsCount:void 0===r?this.columns:r}),this.colorTableView.bind("selectedColor").to(o,"value"),s.buttonView.set({label:this.dropdownLabel,icon:this.icon,tooltip:!0}),s.extendTemplate({attributes:{class:"ck-color-ui-dropdown"}}),s.bind("isEnabled").to(o),s.on("execute",((e,n)=>{t.execute(this.commandName,n),t.editing.view.focus()})),s.on("change:isOpen",((e,n,o)=>{s.colorTableView.appendGrids(),o&&(0!==r&&this.colorTableView.updateDocumentColors(t.model,this.componentName),this.colorTableView.updateSelectedColors())})),s}))}}class jd extends Vd{constructor(t){super(t,{commandName:"fontColor",componentName:"fontColor",icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M12.4 10.3L10 4.5l-2.4 5.8h4.8zm.5 1.2H7.1L5.7 15H4.2l5-12h1.6l5 12h-1.5L13 11.5zm3.1 7H4a1 1 0 0 1 0-2h12a1 1 0 0 1 0 2z"/></svg>',dropdownLabel:(0,t.locale.t)("Font Color")})}static get pluginName(){return"FontColorUI"}}class Bd extends fd{constructor(t){super(t,"fontBackgroundColor")}}const Fd=/^#([0-9a-f]{3,4}|[0-9a-f]{6}|[0-9a-f]{8})$/i,Hd=/^rgb\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}[0-9]{1,3}[ %]?\)$/i,Ud=/^rgba\([ ]?([0-9]{1,3}[ %]?,[ ]?){3}(1|[0-9]+%|[0]?\.?[0-9]+)\)$/i,qd=/^hsl\([ ]?([0-9]{1,3}[ %]?[,]?[ ]*){3}(1|[0-9]+%|[0]?\.?[0-9]+)?\)$/i,Wd=/^hsla\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}(1|[0-9]+%|[0]?\.?[0-9]+)\)$/i,$d=new Set(["black","silver","gray","white","maroon","red","purple","fuchsia","green","lime","olive","yellow","navy","blue","teal","aqua","orange","aliceblue","antiquewhite","aquamarine","azure","beige","bisque","blanchedalmond","blueviolet","brown","burlywood","cadetblue","chartreuse","chocolate","coral","cornflowerblue","cornsilk","crimson","cyan","darkblue","darkcyan","darkgoldenrod","darkgray","darkgreen","darkgrey","darkkhaki","darkmagenta","darkolivegreen","darkorange","darkorchid","darkred","darksalmon","darkseagreen","darkslateblue","darkslategray","darkslategrey","darkturquoise","darkviolet","deeppink","deepskyblue","dimgray","dimgrey","dodgerblue","firebrick","floralwhite","forestgreen","gainsboro","ghostwhite","gold","goldenrod","greenyellow","grey","honeydew","hotpink","indianred","indigo","ivory","khaki","lavender","lavenderblush","lawngreen","lemonchiffon","lightblue","lightcoral","lightcyan","lightgoldenrodyellow","lightgray","lightgreen","lightgrey","lightpink","lightsalmon","lightseagreen","lightskyblue","lightslategray","lightslategrey","lightsteelblue","lightyellow","limegreen","linen","magenta","mediumaquamarine","mediumblue","mediumorchid","mediumpurple","mediumseagreen","mediumslateblue","mediumspringgreen","mediumturquoise","mediumvioletred","midnightblue","mintcream","mistyrose","moccasin","navajowhite","oldlace","olivedrab","orangered","orchid","palegoldenrod","palegreen","paleturquoise","palevioletred","papayawhip","peachpuff","peru","pink","plum","powderblue","rosybrown","royalblue","saddlebrown","salmon","sandybrown","seagreen","seashell","sienna","skyblue","slateblue","slategray","slategrey","snow","springgreen","steelblue","tan","thistle","tomato","turquoise","violet","wheat","whitesmoke","yellowgreen","rebeccapurple","currentcolor","transparent"]);function Yd(t){return t.startsWith("#")?Fd.test(t):t.startsWith("rgb")?Hd.test(t)||Ud.test(t):t.startsWith("hsl")?qd.test(t)||Wd.test(t):$d.has(t.toLowerCase())}const Gd=["repeat-x","repeat-y","repeat","space","round","no-repeat"],Kd=["center","top","bottom","left","right"];function Qd(t){return Kd.includes(t)}const Jd=["fixed","scroll","local"];function Zd(t){return Jd.includes(t)}const Xd=/^url\(/;function tu(t){return Xd.test(t)}function eu(t=""){if(""===t)return{top:void 0,right:void 0,bottom:void 0,left:void 0};const e=ou(t),n=e[0],o=e[2]||n,i=e[1]||n;return{top:n,bottom:o,right:i,left:e[3]||i}}function nu({top:t,right:e,bottom:n,left:o}){const i=[];return o!==e?i.push(t,e,n,o):n!==t?i.push(t,e,n):e!==t?i.push(t,e):i.push(t),i.join(" ")}function ou(t){return t.replace(/, /g,",").split(" ").map((t=>t.replace(/,/g,", ")))}function iu(t){t.setNormalizer("background",ru),t.setNormalizer("background-color",(t=>({path:"background.color",value:t}))),t.setReducer("background",(t=>{const e=[];return e.push(["background-color",t.color]),e}))}function ru(t){const e={},n=ou(t);for(const t of n)o=t,Gd.includes(o)?(e.repeat=e.repeat||[],e.repeat.push(t)):Qd(t)?(e.position=e.position||[],e.position.push(t)):Zd(t)?e.attachment=t:Yd(t)?e.color=t:tu(t)&&(e.image=t);var o;return{path:"background",value:e}}class su extends Zl{static get pluginName(){return"FontBackgroundColorEditing"}constructor(t){super(t),t.config.define("fontBackgroundColor",{colors:[{color:"hsl(0, 0%, 0%)",label:"Black"},{color:"hsl(0, 0%, 30%)",label:"Dim grey"},{color:"hsl(0, 0%, 60%)",label:"Grey"},{color:"hsl(0, 0%, 90%)",label:"Light grey"},{color:"hsl(0, 0%, 100%)",label:"White",hasBorder:!0},{color:"hsl(0, 75%, 60%)",label:"Red"},{color:"hsl(30, 75%, 60%)",label:"Orange"},{color:"hsl(60, 75%, 60%)",label:"Yellow"},{color:"hsl(90, 75%, 60%)",label:"Light green"},{color:"hsl(120, 75%, 60%)",label:"Green"},{color:"hsl(150, 75%, 60%)",label:"Aquamarine"},{color:"hsl(180, 75%, 60%)",label:"Turquoise"},{color:"hsl(210, 75%, 60%)",label:"Light blue"},{color:"hsl(240, 75%, 60%)",label:"Blue"},{color:"hsl(270, 75%, 60%)",label:"Purple"}],columns:5}),t.data.addStyleProcessorRules(iu),t.conversion.for("upcast").elementToAttribute({view:{name:"span",styles:{"background-color":/[\s\S]+/}},model:{key:"fontBackgroundColor",value:_d("background-color")}}),t.conversion.for("downcast").attributeToElement({model:"fontBackgroundColor",view:vd("background-color")}),t.commands.add("fontBackgroundColor",new Bd(t)),t.model.schema.extend("$text",{allowAttributes:"fontBackgroundColor"}),t.model.schema.setAttributeProperties("fontBackgroundColor",{isFormatting:!0,copyOnEnter:!0})}}class au extends Vd{constructor(t){super(t,{commandName:"fontBackgroundColor",componentName:"fontBackgroundColor",icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M4 2h12a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2zm8.38 9.262H7.62L10 5.506l2.38 5.756zm.532 1.285L14.34 16h1.426L10.804 4H9.196L4.234 16H5.66l1.428-3.453h5.824z"/></svg>',dropdownLabel:(0,t.locale.t)("Font Background Color")})}static get pluginName(){return"FontBackgroundColorUI"}}class lu{constructor(t){this.context=t}destroy(){this.stopListening()}static get isContextPlugin(){return!0}}Re(lu,Un);class cu extends lu{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new De({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(t){if("string"!=typeof t)throw new xe.a("pendingactions-add-invalid-message",this);const e=Object.create(Un);return e.set("message",t),this._actions.add(e),this.hasAny=!0,e}remove(t){this._actions.remove(t),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}class du{constructor(){const t=new window.FileReader;this._reader=t,this._data=void 0,this.set("loaded",0),t.onprogress=t=>{this.loaded=t.loaded}}get error(){return this._reader.error}get data(){return this._data}read(t){const e=this._reader;return this.total=t.size,new Promise(((n,o)=>{e.onload=()=>{const t=e.result;this._data=t,n(t)},e.onerror=()=>{o("error")},e.onabort=()=>{o("aborted")},this._reader.readAsDataURL(t)}))}abort(){this._reader.abort()}}Re(du,Un);class uu extends Zl{static get pluginName(){return"FileRepository"}static get requires(){return[cu]}init(){this.loaders=new De,this.loaders.on("add",(()=>this._updatePendingAction())),this.loaders.on("remove",(()=>this._updatePendingAction())),this._loadersMap=new Map,this._pendingAction=null,this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",((t,e)=>e?t/e*100:0))}getLoader(t){return this._loadersMap.get(t)||null}createLoader(t){if(!this.createUploadAdapter)return Object(xe.c)("filerepository-no-upload-adapter"),null;const e=new hu(Promise.resolve(t),this.createUploadAdapter);return this.loaders.add(e),this._loadersMap.set(t,e),t instanceof Promise&&e.file.then((t=>{this._loadersMap.set(t,e)})).catch((()=>{})),e.on("change:uploaded",(()=>{let t=0;for(const e of this.loaders)t+=e.uploaded;this.uploaded=t})),e.on("change:uploadTotal",(()=>{let t=0;for(const e of this.loaders)e.uploadTotal&&(t+=e.uploadTotal);this.uploadTotal=t})),e}destroyLoader(t){const e=t instanceof hu?t:this.getLoader(t);e._destroy(),this.loaders.remove(e),this._loadersMap.forEach(((t,n)=>{t===e&&this._loadersMap.delete(n)}))}_updatePendingAction(){const t=this.editor.plugins.get(cu);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,n=t=>`${e("Upload in progress")} ${parseInt(t)}%.`;this._pendingAction=t.add(n(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",n)}}else t.remove(this._pendingAction),this._pendingAction=null}}Re(uu,Un);class hu{constructor(t,e){this.id=ve(),this._filePromiseWrapper=this._createFilePromiseWrapper(t),this._adapter=e(this),this._reader=new du,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",((t,e)=>e?t/e*100:0)),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then((t=>this._filePromiseWrapper?t:null)):Promise.resolve(null)}get data(){return this._reader.data}read(){if("idle"!=this.status)throw new xe.a("filerepository-read-wrong-status",this);return this.status="reading",this.file.then((t=>this._reader.read(t))).then((t=>{if("reading"!==this.status)throw this.status;return this.status="idle",t})).catch((t=>{if("aborted"===t)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:t}))}upload(){if("idle"!=this.status)throw new xe.a("filerepository-upload-wrong-status",this);return this.status="uploading",this.file.then((()=>this._adapter.upload())).then((t=>(this.uploadResponse=t,this.status="idle",t))).catch((t=>{if("aborted"===this.status)throw"aborted";throw this.status="error",t}))}abort(){const t=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==t?this._reader.abort():"uploading"==t&&this._adapter.abort&&this._adapter.abort():(this._filePromiseWrapper.promise.catch((()=>{})),this._filePromiseWrapper.rejecter("aborted")),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(t){const e={};return e.promise=new Promise(((n,o)=>{e.rejecter=o,e.isFulfilled=!1,t.then((t=>{e.isFulfilled=!0,n(t)})).catch((t=>{e.isFulfilled=!0,o(t)}))})),e}}Re(hu,Un);class fu extends Zl{static get requires(){return[uu]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");t&&(this.editor.plugins.get(uu).createUploadAdapter=e=>new mu(e,t,this.editor.t))}}class mu{constructor(t,e,n){this.loader=t,this.url=e,this.t=n}upload(){return this.loader.file.then((t=>new Promise(((e,n)=>{this._initRequest(),this._initListeners(e,n,t),this._sendRequest(t)}))))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.url,!0),t.responseType="json"}_initListeners(t,e,n){const o=this.xhr,i=this.loader,r=(0,this.t)("Cannot upload file:")+` ${n.name}.`;o.addEventListener("error",(()=>e(r))),o.addEventListener("abort",(()=>e())),o.addEventListener("load",(()=>{const n=o.response;if(!n||!n.uploaded)return e(n&&n.error&&n.error.message?n.error.message:r);t({default:n.url})})),o.upload&&o.upload.addEventListener("progress",(t=>{t.lengthComputable&&(i.uploadTotal=t.total,i.uploaded=t.loaded)}))}_sendRequest(t){const e=new FormData;e.append("upload",t),e.append("ckCsrfToken",function(){let t=function(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const n of e){const e=n.split("=");if(decodeURIComponent(e[0].trim().toLowerCase())===t)return decodeURIComponent(e[1])}return null}("ckCsrfToken");var e;return t&&40==t.length||(t=function(t){let e="";const n=new Uint8Array(40);window.crypto.getRandomValues(n);for(let t=0;t<n.length;t++){const o="abcdefghijklmnopqrstuvwxyz0123456789".charAt(n[t]%"abcdefghijklmnopqrstuvwxyz0123456789".length);e+=Math.random()>.5?o.toUpperCase():o}return e}(),e=t,document.cookie=encodeURIComponent("ckCsrfToken")+"="+encodeURIComponent(e)+";path=/"),t}()),this.xhr.send(e)}}function gu(t,e,n,o){let i,r=null;"function"==typeof o?i=o:(r=t.commands.get(o),i=()=>{t.execute(o)}),t.model.document.on("change:data",((o,s)=>{if(r&&!r.isEnabled||!e.isEnabled)return;const a=od(t.model.document.selection.getRanges());if(!a.isCollapsed)return;if("transparent"==s.type)return;const l=Array.from(t.model.document.differ.getChanges()),c=l[0];if(1!=l.length||"insert"!==c.type||"$text"!=c.name||1!=c.length)return;const d=c.position.parent;if(d.is("element","codeBlock"))return;if(r&&!0===r.value)return;const u=d.getChild(0),h=t.model.createRangeOn(u);if(!h.containsRange(a)&&!a.end.isEqual(h.end))return;const f=n.exec(u.data.substr(0,a.end.offset));f&&t.model.enqueueChange((t=>{const e=t.createPositionAt(d,0),n=t.createPositionAt(d,f[0].length),o=new Br(e,n);!1!==i({match:f})&&t.remove(o),o.detach()}))}))}function pu(t,e,n,o){let i,r;n instanceof RegExp?i=n:r=n,r=r||(t=>{let e;const n=[],o=[];for(;null!==(e=i.exec(t))&&!(e&&e.length<4);){let{index:t,1:i,2:r,3:s}=e;const a=i+r+s;t+=e[0].length-a.length;const l=[t,t+i.length],c=[t+i.length+r.length,t+i.length+r.length+s.length];n.push(l),n.push(c),o.push([t+i.length,t+i.length+r.length])}return{remove:n,format:o}}),t.model.document.on("change:data",((n,i)=>{if("transparent"==i.type||!e.isEnabled)return;const s=t.model,a=s.document.selection;if(!a.isCollapsed)return;const l=Array.from(s.document.differ.getChanges()),c=l[0];if(1!=l.length||"insert"!==c.type||"$text"!=c.name||1!=c.length)return;const d=a.focus,u=d.parent,{text:h,range:f}=function(t,e){let n=t.start;return{text:Array.from(t.getItems()).reduce(((t,o)=>!o.is("$text")&&!o.is("$textProxy")||o.getAttribute("code")?(n=e.createPositionAfter(o),""):t+o.data),""),range:e.createRange(n,t.end)}}(s.createRange(s.createPositionAt(u,0),d),s),m=r(h),g=bu(f.start,m.format,s),p=bu(f.start,m.remove,s);g.length&&p.length&&s.enqueueChange((t=>{if(!1!==o(t,g))for(const e of p.reverse())t.remove(e)}))}))}function bu(t,e,n){return e.filter((t=>void 0!==t[0]&&void 0!==t[1])).map((e=>n.createRange(t.getShiftedBy(e[0]),t.getShiftedBy(e[1]))))}function wu(t,e){return(n,o)=>{if(!t.commands.get(e).isEnabled)return!1;const i=t.model.schema.getValidRanges(o,e);for(const t of i)n.setAttribute(e,!0,t);n.removeSelectionAttribute(e)}}class ku extends rc{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,o=void 0===t.forceValue?!this.value:t.forceValue;e.change((t=>{if(n.isCollapsed)o?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const i=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of i)o?t.setAttribute(this.attributeKey,o,e):t.removeAttribute(this.attributeKey,e)}}))}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,n=t.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const t of n.getRanges())for(const n of t.getItems())if(e.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}class _u extends Zl{static get pluginName(){return"BoldEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"bold"}),t.model.schema.setAttributeProperties("bold",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"bold",view:"strong",upcastAlso:["b",t=>{const e=t.getStyle("font-weight");return e?"bold"==e||Number(e)>=600?{name:!0,styles:["font-weight"]}:void 0:null}]}),t.commands.add("bold",new ku(t,"bold")),t.keystrokes.set("CTRL+B","bold")}}class vu extends Zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("bold",(n=>{const o=t.commands.get("bold"),i=new Dl(n);return i.set({label:e("Bold"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M10.187 17H5.773c-.637 0-1.092-.138-1.364-.415-.273-.277-.409-.718-.409-1.323V4.738c0-.617.14-1.062.419-1.332.279-.27.73-.406 1.354-.406h4.68c.69 0 1.288.041 1.793.124.506.083.96.242 1.36.478.341.197.644.447.906.75a3.262 3.262 0 0 1 .808 2.162c0 1.401-.722 2.426-2.167 3.075C15.05 10.175 16 11.315 16 13.01a3.756 3.756 0 0 1-2.296 3.504 6.1 6.1 0 0 1-1.517.377c-.571.073-1.238.11-2 .11zm-.217-6.217H7v4.087h3.069c1.977 0 2.965-.69 2.965-2.072 0-.707-.256-1.22-.768-1.537-.512-.319-1.277-.478-2.296-.478zM7 5.13v3.619h2.606c.729 0 1.292-.067 1.69-.2a1.6 1.6 0 0 0 .91-.765c.165-.267.247-.566.247-.897 0-.707-.26-1.176-.778-1.409-.519-.232-1.31-.348-2.375-.348H7z"/></svg>',keystroke:"CTRL+B",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",(()=>{t.execute("bold"),t.editing.view.focus()})),i}))}}class yu extends Zl{static get pluginName(){return"ItalicEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"italic"}),t.model.schema.setAttributeProperties("italic",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"italic",view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add("italic",new ku(t,"italic")),t.keystrokes.set("CTRL+I","italic")}}class xu extends Zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("italic",(n=>{const o=t.commands.get("italic"),i=new Dl(n);return i.set({label:e("Italic"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M9.586 14.633l.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z"/></svg>',keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",(()=>{t.execute("italic"),t.editing.view.focus()})),i}))}}class Au extends Zl{static get pluginName(){return"StrikethroughEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"strikethrough"}),t.model.schema.setAttributeProperties("strikethrough",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"strikethrough",view:"s",upcastAlso:["del","strike",{styles:{"text-decoration":"line-through"}}]}),t.commands.add("strikethrough",new ku(t,"strikethrough")),t.keystrokes.set("CTRL+SHIFT+X","strikethrough")}}class Cu extends Zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("strikethrough",(n=>{const o=t.commands.get("strikethrough"),i=new Dl(n);return i.set({label:e("Strikethrough"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 16.4c-.8-.4-1.5-.9-2.2-1.5a.6.6 0 0 1-.2-.5l.3-.6h1c1 1.2 2.1 1.7 3.7 1.7 1 0 1.8-.3 2.3-.6.6-.4.6-1.2.6-1.3.2-1.2-.9-2.1-.9-2.1h2.1c.3.7.4 1.2.4 1.7v.8l-.6 1.2c-.6.8-1.1 1-1.6 1.2a6 6 0 0 1-2.4.6c-1 0-1.8-.3-2.5-.6zM6.8 9L6 8.3c-.4-.5-.5-.8-.5-1.6 0-.7.1-1.3.5-1.8.4-.6 1-1 1.6-1.3a6.3 6.3 0 0 1 4.7 0 4 4 0 0 1 1.7 1l.3.7c0 .1.2.4-.2.7-.4.2-.9.1-1 0a3 3 0 0 0-1.2-1c-.4-.2-1-.3-2-.4-.7 0-1.4.2-2 .6-.8.6-1 .8-1 1.5 0 .8.5 1 1.2 1.5.6.4 1.1.7 1.9 1H6.8z"/><path d="M3 10.5V9h14v1.5z"/></svg>',keystroke:"CTRL+SHIFT+X",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",(()=>{t.execute("strikethrough"),t.editing.view.focus()})),i}))}}class Tu extends Zl{static get pluginName(){return"UnderlineEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"underline"}),t.model.schema.setAttributeProperties("underline",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"underline",view:"u",upcastAlso:{styles:{"text-decoration":"underline"}}}),t.commands.add("underline",new ku(t,"underline")),t.keystrokes.set("CTRL+U","underline")}}class Su extends Zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("underline",(n=>{const o=t.commands.get("underline"),i=new Dl(n);return i.set({label:e("Underline"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 18v-1.5h14V18zm2.2-8V3.6c0-.4.4-.6.8-.6.3 0 .7.2.7.6v6.2c0 2 1.3 2.8 3.2 2.8 1.9 0 3.4-.9 3.4-2.9V3.6c0-.3.4-.5.8-.5.3 0 .7.2.7.5V10c0 2.7-2.2 4-4.9 4-2.6 0-4.7-1.2-4.7-4z"/></svg>',keystroke:"CTRL+U",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",(()=>{t.execute("underline"),t.editing.view.focus()})),i}))}}class Eu extends rc{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model,n=e.schema,o=e.document.selection,i=Array.from(o.getSelectedBlocks()),r=void 0===t.forceValue?!this.value:t.forceValue;e.change((t=>{if(r){const e=i.filter((t=>Pu(t)||Iu(n,t)));this._applyQuote(t,e)}else this._removeQuote(t,i.filter(Pu))}))}_getValue(){const t=od(this.editor.model.document.selection.getSelectedBlocks());return!(!t||!Pu(t))}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=od(t.getSelectedBlocks());return!!n&&Iu(e,n)}_removeQuote(t,e){Mu(t,e).reverse().forEach((e=>{if(e.start.isAtStart&&e.end.isAtEnd)return void t.unwrap(e.start.parent);if(e.start.isAtStart){const n=t.createPositionBefore(e.start.parent);return void t.move(e,n)}e.end.isAtEnd||t.split(e.end);const n=t.createPositionAfter(e.end.parent);t.move(e,n)}))}_applyQuote(t,e){const n=[];Mu(t,e).reverse().forEach((e=>{let o=Pu(e.start);o||(o=t.createElement("blockQuote"),t.wrap(e,o)),n.push(o)})),n.reverse().reduce(((e,n)=>e.nextSibling==n?(t.merge(t.createPositionAfter(e)),e):n))}}function Pu(t){return"blockQuote"==t.parent.name?t.parent:null}function Mu(t,e){let n,o=0;const i=[];for(;o<e.length;){const r=e[o],s=e[o+1];n||(n=t.createPositionBefore(r)),s&&r.nextSibling==s||(i.push(t.createRange(n,t.createPositionAfter(r))),n=null),o++}return i}function Iu(t,e){const n=t.checkChild(e.parent,"blockQuote"),o=t.checkChild(["$root","blockQuote"],e);return n&&o}class Nu extends Zl{static get pluginName(){return"BlockQuoteEditing"}init(){const t=this.editor,e=t.model.schema;t.commands.add("blockQuote",new Eu(t)),e.register("blockQuote",{allowWhere:"$block",allowContentOf:"$root"}),e.addChildCheck(((t,e)=>{if(t.endsWith("blockQuote")&&"blockQuote"==e.name)return!1})),t.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),t.model.document.registerPostFixer((n=>{const o=t.model.document.differ.getChanges();for(const t of o)if("insert"==t.type){const o=t.position.nodeAfter;if(!o)continue;if(o.is("element","blockQuote")&&o.isEmpty)return n.remove(o),!0;if(o.is("element","blockQuote")&&!e.checkChild(t.position,o))return n.unwrap(o),!0;if(o.is("element")){const t=n.createRangeIn(o);for(const o of t.getItems())if(o.is("element","blockQuote")&&!e.checkChild(n.createPositionBefore(o),o))return n.unwrap(o),!0}}else if("remove"==t.type){const e=t.position.parent;if(e.is("element","blockQuote")&&e.isEmpty)return n.remove(e),!0}return!1}))}afterInit(){const t=this.editor.commands.get("blockQuote");this.listenTo(this.editor.editing.view.document,"enter",((e,n)=>{const o=this.editor.model.document,i=o.selection.getLastPosition().parent;o.selection.isCollapsed&&i.isEmpty&&t.value&&(this.editor.execute("blockQuote"),this.editor.editing.view.scrollToTheSelection(),n.preventDefault(),e.stop())}))}}n(46);class Ou extends Zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("blockQuote",(n=>{const o=t.commands.get("blockQuote"),i=new Dl(n);return i.set({label:e("Block quote"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 10.423a6.5 6.5 0 0 1 6.056-6.408l.038.67C6.448 5.423 5.354 7.663 5.22 10H9c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574zm8 0a6.5 6.5 0 0 1 6.056-6.408l.038.67c-2.646.739-3.74 2.979-3.873 5.315H17c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574z"/></svg>',tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",(()=>{t.execute("blockQuote"),t.editing.view.focus()})),i}))}}class Ru extends Zl{static get pluginName(){return"CKFinderUI"}init(){const t=this.editor,e=t.ui.componentFactory,n=t.t;e.add("ckfinder",(e=>{const o=t.commands.get("ckfinder"),i=new Dl(e);return i.set({label:n("Insert image or file"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.627 16.5zm5.873-.196zm0-7.001V8h-13v8.5h4.341c.191.54.457 1.044.785 1.5H2a1.5 1.5 0 0 1-1.5-1.5v-13A1.5 1.5 0 0 1 2 2h4.5a1.5 1.5 0 0 1 1.06.44L9.122 4H16a1.5 1.5 0 0 1 1.5 1.5v1A1.5 1.5 0 0 1 19 8v2.531a6.027 6.027 0 0 0-1.5-1.228zM16 6.5v-1H8.5l-2-2H2v13h1V8a1.5 1.5 0 0 1 1.5-1.5H16z"/><path d="M14.5 19.5a5 5 0 1 1 0-10 5 5 0 0 1 0 10zM15 14v-2h-1v2h-2v1h2v2h1v-2h2v-1h-2z"/></svg>',tooltip:!0}),i.bind("isEnabled").to(o),i.on("execute",(()=>{t.execute("ckfinder"),t.editing.view.focus()})),i}))}}class Du extends ki{observe(t){this.listenTo(t,"load",((t,e)=>{const n=e.target;this.checkShouldIgnoreEventFromTarget(n)||"IMG"==n.tagName&&this._fireEvents(e)}),{useCapture:!0})}_fireEvents(t){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",t))}}class Lu{constructor(){this._stack=[]}add(t,e){const n=this._stack,o=n[0];this._insertDescriptor(t);const i=n[0];o===i||zu(o,i)||this.fire("change:top",{oldDescriptor:o,newDescriptor:i,writer:e})}remove(t,e){const n=this._stack,o=n[0];this._removeDescriptor(t);const i=n[0];o===i||zu(o,i)||this.fire("change:top",{oldDescriptor:o,newDescriptor:i,writer:e})}_insertDescriptor(t){const e=this._stack,n=e.findIndex((e=>e.id===t.id));if(zu(t,e[n]))return;n>-1&&e.splice(n,1);let o=0;for(;e[o]&&Vu(e[o],t);)o++;e.splice(o,0,t)}_removeDescriptor(t){const e=this._stack,n=e.findIndex((e=>e.id===t));n>-1&&e.splice(n,1)}}function zu(t,e){return t&&e&&t.priority==e.priority&&ju(t.classes)==ju(e.classes)}function Vu(t,e){return t.priority>e.priority||!(t.priority<e.priority)&&ju(t.classes)>ju(e.classes)}function ju(t){return Array.isArray(t)?t.sort().join(","):t}function Bu(t){return e=>e+t}Re(Lu,Te),n(48);const Fu=Bu("px"),Hu=ai.document.body;class Uu extends pl{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",e.to("position",(t=>"ck-balloon-panel_"+t)),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("class")],style:{top:e.to("top",Fu),left:e.to("left",Fu)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=Uu.defaultPositions,n=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthMiddleWest,e.southArrowNorthMiddleEast,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthMiddleWest,e.northArrowSouthMiddleEast,e.northArrowSouthWest,e.northArrowSouthEast],limiter:Hu,fitInViewport:!0},t),o=Uu._getOptimalPosition(n),i=parseInt(o.left),r=parseInt(o.top),s=o.name;Object.assign(this,{top:r,left:i,position:s})}pin(t){this.unpin(),this._pinWhenIsVisibleCallback=()=>{this.isVisible?this._startPinning(t):this._stopPinning()},this._startPinning(t),this.listenTo(this,"change:isVisible",this._pinWhenIsVisibleCallback)}unpin(){this._pinWhenIsVisibleCallback&&(this._stopPinning(),this.stopListening(this,"change:isVisible",this._pinWhenIsVisibleCallback),this._pinWhenIsVisibleCallback=null,this.hide())}_startPinning(t){this.attachTo(t);const e=qu(t.target),n=t.limiter?qu(t.limiter):Hu;this.listenTo(ai.document,"scroll",((o,i)=>{const r=i.target,s=e&&r.contains(e),a=n&&r.contains(n);!s&&!a&&e&&n||this.attachTo(t)}),{useCapture:!0}),this.listenTo(ai.window,"resize",(()=>{this.attachTo(t)}))}_stopPinning(){this.stopListening(ai.document,"scroll"),this.stopListening(ai.window,"resize")}}function qu(t){return ge(t)?t:Xi(t)?t.commonAncestorContainer:"function"==typeof t?qu(t()):null}function Wu(t,e){return t.top-e.height-Uu.arrowVerticalOffset}function $u(t){return t.bottom+Uu.arrowVerticalOffset}function Yu(t,e,n){return t&&Ku(t)&&!n.isInline(e)}function Gu(t){return t.getAttribute("widget-type-around")}function Ku(t){return!!t.is("element")&&!!t.getCustomProperty("widget")}function Qu(t,e,n={}){if(!t.is("containerElement"))throw new xe.a("widget-to-widget-wrong-element-type",null,{element:t});return e.setAttribute("contenteditable","false",t),e.addClass("ck-widget",t),e.setCustomProperty("widget",!0,t),t.getFillerOffset=nh,n.label&&function(t,e,n){n.setCustomProperty("widgetLabel",e,t)}(t,n.label,e),n.hasSelectionHandle&&function(t,e){const n=e.createUIElement("div",{class:"ck ck-widget__selection-handle"},(function(t){const e=this.toDomElement(t),n=new Ol;return n.set("content",'<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M4 0v1H1v3H0V.5A.5.5 0 0 1 .5 0H4zm8 0h3.5a.5.5 0 0 1 .5.5V4h-1V1h-3V0zM4 16H.5a.5.5 0 0 1-.5-.5V12h1v3h3v1zm8 0v-1h3v-3h1v3.5a.5.5 0 0 1-.5.5H12z"/><path fill-opacity=".256" d="M1 1h14v14H1z"/><g class="ck-icon__selected-indicator"><path d="M7 0h2v1H7V0zM0 7h1v2H0V7zm15 0h1v2h-1V7zm-8 8h2v1H7v-1z"/><path fill-opacity=".254" d="M1 1h14v14H1z"/></g></svg>'),n.render(),e.appendChild(n.element),e}));e.insert(e.createPositionAt(t,0),n),e.addClass(["ck-widget_with-selection-handle"],t)}(t,e),Ju(t,e,((t,e,n)=>n.addClass(o(e.classes),t)),((t,e,n)=>n.removeClass(o(e.classes),t))),t;function o(t){return Array.isArray(t)?t:[t]}}function Ju(t,e,n,o){const i=new Lu;i.on("change:top",((e,i)=>{i.oldDescriptor&&o(t,i.oldDescriptor,i.writer),i.newDescriptor&&n(t,i.newDescriptor,i.writer)})),e.setCustomProperty("addHighlight",((t,e,n)=>i.add(e,n)),t),e.setCustomProperty("removeHighlight",((t,e,n)=>i.remove(e,n)),t)}function Zu(t){const e=t.getCustomProperty("widgetLabel");return e?"function"==typeof e?e():e:""}function Xu(t,e){return e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t),t.on("change:isReadOnly",((n,o,i)=>{e.setAttribute("contenteditable",i?"false":"true",t)})),t.on("change:isFocused",((n,o,i)=>{i?e.addClass("ck-editor__nested-editable_focused",t):e.removeClass("ck-editor__nested-editable_focused",t)})),t}function th(t,e){const n=t.getSelectedElement();if(n){const o=Gu(t);if(o)return e.createPositionAt(n,o);if(e.schema.isBlock(n))return e.createPositionAfter(n)}const o=t.getSelectedBlocks().next().value;if(o){if(o.isEmpty)return e.createPositionAt(o,0);const n=e.createPositionAfter(o);return t.focus.isTouching(n)?n:e.createPositionBefore(o)}return t.focus}function eh(t,e){const n=new nr(ai.window),o=n.getIntersection(t),i=e.height+Uu.arrowVerticalOffset;if(t.top-i>n.top||t.bottom+i<n.bottom)return null;const r=o||t,s=r.left+r.width/2-e.width/2;return{top:Math.max(t.top,0)+Uu.arrowVerticalOffset,left:s,name:"arrow_n"}}function nh(){return null}function oh(t){const e=t.getSelectedElement();return e&&function(t){return!!t.getCustomProperty("image")&&Ku(t)}(e)?e:null}function ih(t){return!!t&&t.is("element","image")}function rh(t,e,n={}){const o=t.createElement("image",n),i=th(e.document.selection,e);e.insertContent(o,i),o.parent&&t.setSelection(o,"on")}function sh(t){const e=t.schema,n=t.document.selection;return function(t,e,n){const o=function(t,e){const n=th(t,e).parent;return n.isEmpty&&!n.is("element","$root")?n.parent:n}(t,n);return e.checkChild(o,"image")}(n,e,t)&&!function(t,e){const n=t.getSelectedElement();return n&&e.isObject(n)}(n,e)&&function(t){return[...t.focus.getAncestors()].every((t=>!t.is("element","image")))}(n)}function ah(t){const e=[];for(const n of t.getChildren())e.push(n),n.is("element")&&e.push(...n.getChildren());return e.find((t=>t.is("element","img")))}function lh(t){return n=>{n.on(`attribute:${t}:image`,e)};function e(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const o=n.writer,i=ah(n.mapper.toViewElement(e.item));o.setAttribute(e.attributeKey,e.attributeNewValue||"",i)}}Uu.arrowHorizontalOffset=25,Uu.arrowVerticalOffset=10,Uu._getOptimalPosition=El,Uu.defaultPositions={northWestArrowSouthWest:(t,e)=>({top:Wu(t,e),left:t.left-Uu.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthMiddleWest:(t,e)=>({top:Wu(t,e),left:t.left-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_smw"}),northWestArrowSouth:(t,e)=>({top:Wu(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthMiddleEast:(t,e)=>({top:Wu(t,e),left:t.left-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_sme"}),northWestArrowSouthEast:(t,e)=>({top:Wu(t,e),left:t.left-e.width+Uu.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:Wu(t,e),left:t.left+t.width/2-Uu.arrowHorizontalOffset,name:"arrow_sw"}),northArrowSouthMiddleWest:(t,e)=>({top:Wu(t,e),left:t.left+t.width/2-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_smw"}),northArrowSouth:(t,e)=>({top:Wu(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthMiddleEast:(t,e)=>({top:Wu(t,e),left:t.left+t.width/2-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_sme"}),northArrowSouthEast:(t,e)=>({top:Wu(t,e),left:t.left+t.width/2-e.width+Uu.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:Wu(t,e),left:t.right-Uu.arrowHorizontalOffset,name:"arrow_sw"}),northEastArrowSouthMiddleWest:(t,e)=>({top:Wu(t,e),left:t.right-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_smw"}),northEastArrowSouth:(t,e)=>({top:Wu(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthMiddleEast:(t,e)=>({top:Wu(t,e),left:t.right-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_sme"}),northEastArrowSouthEast:(t,e)=>({top:Wu(t,e),left:t.right-e.width+Uu.arrowHorizontalOffset,name:"arrow_se"}),southWestArrowNorthWest:(t,e)=>({top:$u(t),left:t.left-Uu.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthMiddleWest:(t,e)=>({top:$u(t),left:t.left-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_nmw"}),southWestArrowNorth:(t,e)=>({top:$u(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthMiddleEast:(t,e)=>({top:$u(t),left:t.left-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_nme"}),southWestArrowNorthEast:(t,e)=>({top:$u(t),left:t.left-e.width+Uu.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:$u(t),left:t.left+t.width/2-Uu.arrowHorizontalOffset,name:"arrow_nw"}),southArrowNorthMiddleWest:(t,e)=>({top:$u(t),left:t.left+t.width/2-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_nmw"}),southArrowNorth:(t,e)=>({top:$u(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthMiddleEast:(t,e)=>({top:$u(t),left:t.left+t.width/2-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_nme"}),southArrowNorthEast:(t,e)=>({top:$u(t),left:t.left+t.width/2-e.width+Uu.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:$u(t),left:t.right-Uu.arrowHorizontalOffset,name:"arrow_nw"}),southEastArrowNorthMiddleWest:(t,e)=>({top:$u(t),left:t.right-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_nmw"}),southEastArrowNorth:(t,e)=>({top:$u(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthMiddleEast:(t,e)=>({top:$u(t),left:t.right-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_nme"}),southEastArrowNorthEast:(t,e)=>({top:$u(t),left:t.right-e.width+Uu.arrowHorizontalOffset,name:"arrow_ne"})};class ch extends rc{refresh(){this.isEnabled=sh(this.editor.model)}execute(t){const e=this.editor.model;e.change((n=>{const o=Array.isArray(t.source)?t.source:[t.source];for(const t of o)rh(n,e,{src:t})}))}}class dh extends Zl{static get pluginName(){return"ImageEditing"}init(){const t=this.editor,e=t.model.schema,n=t.t,o=t.conversion;t.editing.view.addObserver(Du),e.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),o.for("dataDowncast").elementToElement({model:"image",view:(t,{writer:e})=>uh(e)}),o.for("editingDowncast").elementToElement({model:"image",view:(t,{writer:e})=>function(t,e,n){return e.setCustomProperty("image",!0,t),Qu(t,e,{label:function(){const e=ah(t).getAttribute("alt");return e?`${e} ${n}`:n}})}(uh(e),e,n("image widget"))}),o.for("downcast").add(lh("src")).add(lh("alt")).add(function(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const o=n.writer,i=ah(n.mapper.toViewElement(e.item));if(null===e.attributeNewValue){const t=e.attributeOldValue;t.data&&(o.removeAttribute("srcset",i),o.removeAttribute("sizes",i),t.width&&o.removeAttribute("width",i))}else{const t=e.attributeNewValue;t.data&&(o.setAttribute("srcset",t.data,i),o.setAttribute("sizes","100vw",i),t.width&&o.setAttribute("width",t.width,i))}}}()),o.for("upcast").elementToElement({view:{name:"img",attributes:{src:!0}},model:(t,{writer:e})=>e.createElement("image",{src:t.getAttribute("src")})}).attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:t=>{const e={data:t.getAttribute("srcset")};return t.hasAttribute("width")&&(e.width=t.getAttribute("width")),e}}}).add(function(){return e=>{e.on("element:figure",t)};function t(t,e,n){if(!n.consumable.test(e.viewItem,{name:!0,classes:"image"}))return;const o=ah(e.viewItem);if(!o||!o.hasAttribute("src")||!n.consumable.test(o,{name:!0}))return;const i=od(n.convertItem(o,e.modelCursor).modelRange.getItems());i&&(n.convertChildren(e.viewItem,i),n.updateConversionResult(i,e))}}()),t.commands.add("imageInsert",new ch(t))}}function uh(t){const e=t.createEmptyElement("img"),n=t.createContainerElement("figure",{class:"image"});return t.insert(t.createPositionAt(n,0),e),n}class hh extends Li{constructor(t){super(t),this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}class fh extends Zl{static get pluginName(){return"TwoStepCaretMovement"}constructor(t){super(t),this.attributes=new Set,this._overrideUid=null}init(){const t=this.editor,e=t.model,n=t.editing.view,o=t.locale,i=e.document.selection;this.listenTo(n.document,"keydown",((t,e)=>{if(!i.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const n=e.keyCode==ko.arrowright,r=e.keyCode==ko.arrowleft;if(!n&&!r)return;const s=o.contentLanguageDirection;let a=!1;a="ltr"===s&&n||"rtl"===s&&r?this._handleForwardMovement(e):this._handleBackwardMovement(e),!0===a&&t.stop()}),{priority:ye.get("high")+1}),this._isNextGravityRestorationSkipped=!1,this.listenTo(i,"change:range",((t,e)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!e.directChange&&bh(i.getFirstPosition(),this.attributes)||this._restoreGravity())}))}registerAttribute(t){this.attributes.add(t)}_handleForwardMovement(t){const e=this.attributes,n=this.editor.model.document.selection,o=n.getFirstPosition();return!this._isGravityOverridden&&(!o.isAtStart||!mh(n,e))&&(bh(o,e)?(ph(t),this._overrideGravity(),!0):void 0)}_handleBackwardMovement(t){const e=this.attributes,n=this.editor.model,o=n.document.selection,i=o.getFirstPosition();return this._isGravityOverridden?(ph(t),this._restoreGravity(),gh(n,e,i),!0):i.isAtStart?!!mh(o,e)&&(ph(t),gh(n,e,i),!0):function(t,e){return bh(t.getShiftedBy(-1),e)}(i,e)?i.isAtEnd&&!mh(o,e)&&bh(i,e)?(ph(t),gh(n,e,i),!0):(this._isNextGravityRestorationSkipped=!0,this._overrideGravity(),!1):void 0}get _isGravityOverridden(){return!!this._overrideUid}_overrideGravity(){this._overrideUid=this.editor.model.change((t=>t.overrideSelectionGravity()))}_restoreGravity(){this.editor.model.change((t=>{t.restoreSelectionGravity(this._overrideUid),this._overrideUid=null}))}}function mh(t,e){for(const n of e)if(t.hasAttribute(n))return!0;return!1}function gh(t,e,n){const o=n.nodeBefore;t.change((t=>{o?t.setSelectionAttribute(o.getAttributes()):t.removeSelectionAttribute(e)}))}function ph(t){t.preventDefault()}function bh(t,e){const{nodeBefore:n,nodeAfter:o}=t;for(const t of e){const e=n?n.getAttribute(t):void 0;if((o?o.getAttribute(t):void 0)!==e)return!0}return!1}function wh(t,e,n,o){return o.createRange(kh(t,e,n,!0,o),kh(t,e,n,!1,o))}function kh(t,e,n,o,i){let r=t.textNode||(o?t.nodeBefore:t.nodeAfter),s=null;for(;r&&r.getAttribute(e)==n;)s=r,r=o?r.previousSibling:r.nextSibling;return s?i.createPositionAt(s,o?"before":"after"):t}class _h{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(t){Array.isArray(t)?t.forEach((t=>this._definitions.add(t))):this._definitions.add(t)}getDispatcher(){return t=>{t.on("attribute:linkHref",((t,e,n)=>{if(!n.consumable.test(e.item,"attribute:linkHref"))return;const o=n.writer,i=o.document.selection;for(const t of this._definitions){const r=o.createAttributeElement("a",t.attributes,{priority:5});o.setCustomProperty("link",!0,r),t.callback(e.attributeNewValue)?e.item.is("selection")?o.wrap(i.getFirstRange(),r):o.wrap(n.mapper.toViewRange(e.range),r):o.unwrap(n.mapper.toViewRange(e.range),r)}}),{priority:"high"})}}getDispatcherForLinkedImage(){return t=>{t.on("attribute:linkHref:image",((t,e,n)=>{const o=n.mapper.toViewElement(e.item),i=Array.from(o.getChildren()).find((t=>"a"===t.name));for(const t of this._definitions){const o=$e(t.attributes);if(t.callback(e.attributeNewValue))for(const[t,e]of o)"class"===t?n.writer.addClass(e,i):n.writer.setAttribute(t,e,i);else for(const[t,e]of o)"class"===t?n.writer.removeClass(e,i):n.writer.removeAttribute(t,i)}}))}}}var vh=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]"),yh=function(t){return vh.test(t)},xh="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",Ah="\\ud83c[\\udffb-\\udfff]",Ch="[^\\ud800-\\udfff]",Th="(?:\\ud83c[\\udde6-\\uddff]){2}",Sh="[\\ud800-\\udbff][\\udc00-\\udfff]",Eh="(?:"+xh+"|"+Ah+")?",Ph="[\\ufe0e\\ufe0f]?"+Eh+"(?:\\u200d(?:"+[Ch,Th,Sh].join("|")+")[\\ufe0e\\ufe0f]?"+Eh+")*",Mh="(?:"+[Ch+xh+"?",xh,Th,Sh,"[\\ud800-\\udfff]"].join("|")+")",Ih=RegExp(Ah+"(?="+Ah+")|"+Mh+Ph,"g"),Nh=function(t){return yh(t)?function(t){return t.match(Ih)||[]}(t):function(t){return t.split("")}(t)},Oh=function(t){t=an(t);var e=yh(t)?Nh(t):void 0,n=e?e[0]:t.charAt(0),o=e?function(t,e,n){var o=t.length;return n=void 0===n?o:n,!e&&n>=o?t:un(t,e,n)}(e,1).join(""):t.slice(1);return n.toUpperCase()+o};const Rh=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,Dh=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i,Lh=/^[\S]+@((?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.))+(?:[a-z\u00a1-\uffff]{2,})$/i,zh=/^((\w+:(\/{2,})?)|(\W))/i;function Vh(t,{writer:e}){const n=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty("link",!0,n),n}function jh(t){return function(t){return t.replace(Rh,"").match(Dh)}(t=String(t))?t:"#"}function Bh(t,e){return!!t&&t.is("element","image")&&e.checkAttribute("image","linkHref")}function Fh(t,e){const n=(o=t,Lh.test(o)?"mailto:":e);var o;const i=!!n&&!zh.test(t);return t&&i?n+t:t}class Hh extends rc{constructor(t){super(t),this.manualDecorators=new De,this.automaticDecorators=new _h}restoreManualDecoratorStates(){for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}refresh(){const t=this.editor.model,e=t.document,n=od(e.selection.getSelectedBlocks());Bh(n,t.schema)?(this.value=n.getAttribute("linkHref"),this.isEnabled=t.schema.checkAttribute(n,"linkHref")):(this.value=e.selection.getAttribute("linkHref"),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref"));for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}execute(t,e={}){const n=this.editor.model,o=n.document.selection,i=[],r=[];for(const t in e)e[t]?i.push(t):r.push(t);n.change((e=>{if(o.isCollapsed){const s=o.getFirstPosition();if(o.hasAttribute("linkHref")){const a=wh(s,"linkHref",o.getAttribute("linkHref"),n);e.setAttribute("linkHref",t,a),i.forEach((t=>{e.setAttribute(t,!0,a)})),r.forEach((t=>{e.removeAttribute(t,a)})),e.setSelection(e.createPositionAfter(a.end.nodeBefore))}else if(""!==t){const r=$e(o.getAttributes());r.set("linkHref",t),i.forEach((t=>{r.set(t,!0)}));const a=e.createText(t,r);n.insertContent(a,s),e.setSelection(e.createPositionAfter(a))}["linkHref",...i,...r].forEach((t=>{e.removeSelectionAttribute(t)}))}else{const s=n.schema.getValidRanges(o.getRanges(),"linkHref"),a=[];for(const t of o.getSelectedBlocks())n.schema.checkAttribute(t,"linkHref")&&a.push(e.createRangeOn(t));const l=a.slice();for(const t of s)this._isRangeToUpdate(t,a)&&l.push(t);for(const n of l)e.setAttribute("linkHref",t,n),i.forEach((t=>{e.setAttribute(t,!0,n)})),r.forEach((t=>{e.removeAttribute(t,n)}))}}))}_getDecoratorStateFromModel(t){const e=this.editor.model,n=e.document,o=od(n.selection.getSelectedBlocks());return Bh(o,e.schema)?o.getAttribute(t):n.selection.getAttribute(t)}_isRangeToUpdate(t,e){for(const n of e)if(n.containsRange(t))return!1;return!0}}class Uh extends rc{refresh(){const t=this.editor.model,e=t.document,n=od(e.selection.getSelectedBlocks());Bh(n,t.schema)?this.isEnabled=t.schema.checkAttribute(n,"linkHref"):this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}execute(){const t=this.editor,e=this.editor.model,n=e.document.selection,o=t.commands.get("link");e.change((t=>{const i=n.isCollapsed?[wh(n.getFirstPosition(),"linkHref",n.getAttribute("linkHref"),e)]:n.getRanges();for(const e of i)if(t.removeAttribute("linkHref",e),o)for(const n of o.manualDecorators)t.removeAttribute(n.id,e)}))}}class qh{constructor({id:t,label:e,attributes:n,defaultValue:o}){this.id=t,this.set("value"),this.defaultValue=o,this.label=e,this.attributes=n}}Re(qh,Un),n(50);const Wh=/^(https?:)?\/\//;class $h extends Zl{static get pluginName(){return"LinkEditing"}static get requires(){return[fh,Ic,ic]}constructor(t){super(t),t.config.define("link",{addTargetToExternalLinks:!1})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"linkHref"}),t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:Vh}),t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>Vh(jh(t),e)}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:t=>t.getAttribute("href")}}),t.commands.add("link",new Hh(t)),t.commands.add("unlink",new Uh(t));const e=function(t,e){const n={"Open in a new tab":t("Open in a new tab"),Downloadable:t("Downloadable")};return e.forEach((t=>(t.label&&n[t.label]&&(t.label=n[t.label]),t))),e}(t.t,function(t){const e=[];if(t)for(const[n,o]of Object.entries(t)){const t=Object.assign({},o,{id:"link"+Oh(n)});e.push(t)}return e}(t.config.get("link.decorators")));this._enableAutomaticDecorators(e.filter((t=>"automatic"===t.mode))),this._enableManualDecorators(e.filter((t=>"manual"===t.mode))),t.plugins.get(fh).registerAttribute("linkHref"),function(t,e,n,o){const i=t.editing.view,r=new Set;i.document.registerPostFixer((n=>{const i=t.model.document.selection;let s=!1;if(i.hasAttribute(e)){const a=wh(i.getFirstPosition(),e,i.getAttribute(e),t.model),l=t.editing.mapper.toViewRange(a);for(const t of l.getItems())t.is("element","a")&&!t.hasClass(o)&&(n.addClass(o,t),r.add(t),s=!0)}return s})),t.conversion.for("editingDowncast").add((t=>{function e(){i.change((t=>{for(const e of r.values())t.removeClass(o,e),r.delete(e)}))}t.on("insert",e,{priority:"highest"}),t.on("remove",e,{priority:"highest"}),t.on("attribute",e,{priority:"highest"}),t.on("selection",e,{priority:"highest"})}))}(t,"linkHref",0,"ck-link_selected"),this._enableInsertContentSelectionAttributesFixer(),this._enableClickingAfterLink(),this._enableTypingOverLink(),this._handleDeleteContentAfterLink()}_enableAutomaticDecorators(t){const e=this.editor,n=e.commands.get("link").automaticDecorators;e.config.get("link.addTargetToExternalLinks")&&n.add({id:"linkIsExternal",mode:"automatic",callback:t=>Wh.test(t),attributes:{target:"_blank",rel:"noopener noreferrer"}}),n.add(t),n.length&&e.conversion.for("downcast").add(n.getDispatcher())}_enableManualDecorators(t){if(!t.length)return;const e=this.editor,n=e.commands.get("link").manualDecorators;t.forEach((t=>{e.model.schema.extend("$text",{allowAttributes:t.id}),n.add(new qh(t)),e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,{writer:o})=>{if(e){const e=n.get(t.id).attributes,i=o.createAttributeElement("a",e,{priority:5});return o.setCustomProperty("link",!0,i),i}}}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:n.get(t.id).attributes},model:{key:t.id}})}))}_enableInsertContentSelectionAttributesFixer(){const t=this.editor,e=t.model,n=e.document.selection,o=t.commands.get("link");this.listenTo(e,"insertContent",(()=>{const t=n.anchor.nodeBefore,i=n.anchor.nodeAfter;n.hasAttribute("linkHref")&&t&&t.hasAttribute("linkHref")&&(i&&i.hasAttribute("linkHref")||e.change((t=>{Yh(t,o.manualDecorators)})))}),{priority:"low"})}_enableClickingAfterLink(){const t=this.editor,e=t.commands.get("link");t.editing.view.addObserver(hh);let n=!1;this.listenTo(t.editing.view.document,"mousedown",(()=>{n=!0})),this.listenTo(t.editing.view.document,"selectionChange",(()=>{if(!n)return;n=!1;const o=t.model.document.selection;if(!o.isCollapsed)return;if(!o.hasAttribute("linkHref"))return;const i=o.getFirstPosition(),r=wh(i,"linkHref",o.getAttribute("linkHref"),t.model);(i.isTouching(r.start)||i.isTouching(r.end))&&t.model.change((t=>{Yh(t,e.manualDecorators)}))}))}_enableTypingOverLink(){const t=this.editor,e=t.editing.view;let n,o;this.listenTo(e.document,"delete",(()=>{o=!0}),{priority:"high"}),this.listenTo(t.model,"deleteContent",(()=>{const e=t.model.document.selection;e.isCollapsed||(o?o=!1:Gh(t)&&function(t){const e=t.document.selection,n=e.getFirstPosition(),o=e.getLastPosition(),i=n.nodeAfter;if(!i)return!1;if(!i.is("$text"))return!1;if(!i.hasAttribute("linkHref"))return!1;return i===(o.textNode||o.nodeBefore)||wh(n,"linkHref",i.getAttribute("linkHref"),t).containsRange(t.createRange(n,o),!0)}(t.model)&&(n=e.getAttributes()))}),{priority:"high"}),this.listenTo(t.model,"insertContent",((e,[i])=>{o=!1,Gh(t)&&n&&(t.model.change((t=>{for(const[e,o]of n)t.setAttribute(e,o,i)})),n=null)}),{priority:"high"})}_handleDeleteContentAfterLink(){const t=this.editor,e=t.model,n=e.document.selection,o=t.editing.view,i=t.commands.get("link");let r=!1,s=!1;this.listenTo(o.document,"delete",((t,e)=>{s=e.domEvent.keyCode===ko.backspace}),{priority:"high"}),this.listenTo(e,"deleteContent",(()=>{r=!1;const t=n.getFirstPosition(),o=n.getAttribute("linkHref");if(!o)return;const i=wh(t,"linkHref",o,e);r=i.containsPosition(t)||i.end.isEqual(t)}),{priority:"high"}),this.listenTo(e,"deleteContent",(()=>{s&&(s=!1,r||t.model.enqueueChange((t=>{Yh(t,i.manualDecorators)})))}),{priority:"low"})}}function Yh(t,e){t.removeSelectionAttribute("linkHref");for(const n of e)t.removeSelectionAttribute(n.id)}function Gh(t){return t.plugins.get("Input").isInput(t.model.change((t=>t.batch)))}class Kh extends lu{static get pluginName(){return"Notification"}init(){this.on("show:warning",((t,e)=>{window.alert(e.message)}),{priority:"lowest"})}showSuccess(t,e={}){this._showNotification({message:t,type:"success",namespace:e.namespace,title:e.title})}showInfo(t,e={}){this._showNotification({message:t,type:"info",namespace:e.namespace,title:e.title})}showWarning(t,e={}){this._showNotification({message:t,type:"warning",namespace:e.namespace,title:e.title})}_showNotification(t){const e="show:"+t.type+(t.namespace?":"+t.namespace:"");this.fire(e,{message:t.message,type:t.type,title:t.title||""})}}class Qh extends rc{constructor(t){super(t),this.stopListening(this.editor.model.document,"change"),this.listenTo(this.editor.model.document,"change",(()=>this.refresh()),{priority:"low"})}refresh(){const t=this.editor.commands.get("imageInsert"),e=this.editor.commands.get("link");this.isEnabled=t.isEnabled||e.isEnabled}execute(){const t=this.editor,e=this.editor.config.get("ckfinder.openerMethod")||"modal";if("popup"!=e&&"modal"!=e)throw new xe.a("ckfinder-unknown-openermethod",t);const n=this.editor.config.get("ckfinder.options")||{};n.chooseFiles=!0;const o=n.onInit;n.language||(n.language=t.locale.uiLanguage),n.onInit=e=>{o&&o(e),e.on("files:choose",(n=>{const o=n.data.files.toArray(),i=o.filter((t=>!t.isImage())),r=o.filter((t=>t.isImage()));for(const e of i)t.execute("link",e.getUrl());const s=[];for(const t of r){const n=t.getUrl();s.push(n||e.request("file:getProxyUrl",{file:t}))}s.length&&Jh(t,s)})),e.on("file:choose:resizedImage",(e=>{const n=e.data.resizedUrl;if(n)Jh(t,[n]);else{const e=t.plugins.get("Notification"),n=t.locale.t;e.showWarning(n("Could not obtain resized image URL."),{title:n("Selecting resized image failed"),namespace:"ckfinder"})}}))},window.CKFinder[e](n)}}function Jh(t,e){if(t.commands.get("imageInsert").isEnabled)t.execute("imageInsert",{source:e});else{const e=t.plugins.get("Notification"),n=t.locale.t;e.showWarning(n("Could not insert image at the current position."),{title:n("Inserting image failed"),namespace:"ckfinder"})}}class Zh extends Zl{static get pluginName(){return"CKFinderEditing"}static get requires(){return[Kh,dh,$h]}init(){const t=this.editor;t.commands.add("ckfinder",new Qh(t))}}const Xh=/^data:(\S*?);base64,/;class tf{constructor(t,e,n){if(!t)throw new xe.a("fileuploader-missing-file",null);if(!e)throw new xe.a("fileuploader-missing-token",null);if(!n)throw new xe.a("fileuploader-missing-api-address",null);this.file=function(t){if("string"!=typeof t)return!1;const e=t.match(Xh);return!(!e||!e.length)}(t)?function(t,e=512){try{const n=t.match(Xh)[1],o=atob(t.replace(Xh,"")),i=[];for(let t=0;t<o.length;t+=e){const n=o.slice(t,t+e),r=new Array(n.length);for(let t=0;t<n.length;t++)r[t]=n.charCodeAt(t);i.push(new Uint8Array(r))}return new Blob(i,{type:n})}catch(t){throw new xe.a("fileuploader-decoding-image-data-error",null)}}(t):t,this._token=e,this._apiAddress=n}onProgress(t){return this.on("progress",((e,n)=>t(n))),this}onError(t){return this.once("error",((e,n)=>t(n))),this}abort(){this.xhr.abort()}send(){return this._prepareRequest(),this._attachXHRListeners(),this._sendRequest()}_prepareRequest(){const t=new XMLHttpRequest;t.open("POST",this._apiAddress),t.setRequestHeader("Authorization",this._token.value),t.responseType="json",this.xhr=t}_attachXHRListeners(){const t=this,e=this.xhr;function n(e){return()=>t.fire("error",e)}e.addEventListener("error",n("Network Error")),e.addEventListener("abort",n("Abort")),e.upload&&e.upload.addEventListener("progress",(t=>{t.lengthComputable&&this.fire("progress",{total:t.total,uploaded:t.loaded})})),e.addEventListener("load",(()=>{const t=e.status,n=e.response;if(t<200||t>299)return this.fire("error",n.message||n.error)}))}_sendRequest(){const t=new FormData,e=this.xhr;return t.append("file",this.file),new Promise(((n,o)=>{e.addEventListener("load",(()=>{const t=e.status,i=e.response;return t<200||t>299?i.message?o(new xe.a("fileuploader-uploading-data-failed",this,{message:i.message})):o(i.error):n(i)})),e.addEventListener("error",(()=>o(new Error("Network Error")))),e.addEventListener("abort",(()=>o(new Error("Abort")))),e.send(t)}))}}Re(tf,Te);const ef={autoRefresh:!0};class nf{constructor(t,e=ef){if(!t)throw new xe.a("token-missing-token-url",this);e.initValue&&this._validateTokenValue(e.initValue),this.set("value",e.initValue),this._refresh="function"==typeof t?t:()=>{return e=t,new Promise(((t,n)=>{const o=new XMLHttpRequest;o.open("GET",e),o.addEventListener("load",(()=>{const e=o.status,i=o.response;return e<200||e>299?n(new xe.a("token-cannot-download-new-token",null)):t(i)})),o.addEventListener("error",(()=>n(new Error("Network Error")))),o.addEventListener("abort",(()=>n(new Error("Abort")))),o.send()}));var e},this._options=Object.assign({},ef,e)}init(){return new Promise(((t,e)=>{this.value?(this._options.autoRefresh&&this._registerRefreshTokenTimeout(),t(this)):this.refreshToken().then(t).catch(e)}))}refreshToken(){return this._refresh().then((t=>{this._validateTokenValue(t),this.set("value",t),this._options.autoRefresh&&this._registerRefreshTokenTimeout()})).then((()=>this))}destroy(){clearTimeout(this._tokenRefreshTimeout)}_validateTokenValue(t){const e="string"==typeof t,n=!/^".*"$/.test(t),o=e&&3===t.split(".").length;if(!n||!o)throw new xe.a("token-not-in-jwt-format",this)}_registerRefreshTokenTimeout(){const t=this._getTokenRefreshTimeoutTime();clearTimeout(this._tokenRefreshTimeout),this._tokenRefreshTimeout=setTimeout((()=>{this.refreshToken()}),t)}_getTokenRefreshTimeoutTime(){try{const[,t]=this.value.split("."),{exp:e}=JSON.parse(atob(t));return e?Math.floor((1e3*e-Date.now())/2):36e5}catch(t){return 36e5}}static create(t,e=ef){return new nf(t,e).init()}}Re(nf,Un);var of=nf;class rf extends lu{static get pluginName(){return"CloudServices"}init(){const t=this.context.config.get("cloudServices")||{};for(const e in t)this[e]=t[e];if(this.tokenUrl)return this.token=new rf.Token(this.tokenUrl),this.token.init();this.token=null}destroy(){super.destroy(),this.token&&this.token.destroy()}}rf.Token=of;class sf extends Zl{static get requires(){return[uu,rf]}init(){const t=this.editor,e=t.plugins.get(rf),n=e.token,o=e.uploadUrl;n&&(this._uploadGateway=new sf._UploadGateway(n,o),t.plugins.get(uu).createUploadAdapter=t=>new af(this._uploadGateway,t))}}class af{constructor(t,e){this.uploadGateway=t,this.loader=e}upload(){return this.loader.file.then((t=>(this.fileUploader=this.uploadGateway.upload(t),this.fileUploader.on("progress",((t,e)=>{this.loader.uploadTotal=e.total,this.loader.uploaded=e.uploaded})),this.fileUploader.send())))}abort(){this.fileUploader.abort()}}sf._UploadGateway=class{constructor(t,e){if(!t)throw new xe.a("uploadgateway-missing-token",null);if(!e)throw new xe.a("uploadgateway-missing-api-address",null);this._token=t,this._apiAddress=e}upload(t){return new tf(t,this._token,this._apiAddress)}},n(52);const lf=["before","after"],cf=(new DOMParser).parseFromString('<svg viewBox="0 0 10 8" xmlns="http://www.w3.org/2000/svg"><path d="M9.055.263v3.972h-6.77M1 4.216l2-2.038M1 4.178l2 2.038"/></svg>',"image/svg+xml").firstChild;class df extends Zl{static get pluginName(){return"WidgetTypeAround"}constructor(t){super(t),this._currentFakeCaretModelElement=null}init(){const t=this.editor,e=t.editing.view;this.on("change:isEnabled",((n,o,i)=>{e.change((t=>{for(const n of e.document.roots)i?t.removeClass("ck-widget__type-around_disabled",n):t.addClass("ck-widget__type-around_disabled",n)})),i||t.model.change((t=>{t.removeSelectionAttribute("widget-type-around")}))})),this._enableTypeAroundUIInjection(),this._enableInsertingParagraphsOnButtonClick(),this._enableInsertingParagraphsOnEnterKeypress(),this._enableInsertingParagraphsOnTypingKeystroke(),this._enableTypeAroundFakeCaretActivationUsingKeyboardArrows(),this._enableDeleteIntegration(),this._enableInsertContentIntegration()}destroy(){this._currentFakeCaretModelElement=null}_insertParagraph(t,e){const n=this.editor,o=n.editing.view;n.execute("insertParagraph",{position:n.model.createPositionAt(t,e)}),o.focus(),o.scrollToTheSelection()}_listenToIfEnabled(t,e,n,o){this.listenTo(t,e,((...t)=>{this.isEnabled&&n(...t)}),o)}_insertParagraphAccordingToFakeCaretPosition(){const t=this.editor.model.document.selection,e=Gu(t);if(!e)return!1;const n=t.getSelectedElement();return this._insertParagraph(n,e),!0}_enableTypeAroundUIInjection(){const t=this.editor,e=t.model.schema,n=t.locale.t,o={before:n("Insert paragraph before block"),after:n("Insert paragraph after block")};t.editing.downcastDispatcher.on("insert",((t,n,i)=>{const r=i.mapper.toViewElement(n.item);Yu(r,n.item,e)&&function(t,e,n){const o=t.createUIElement("div",{class:"ck ck-reset_all ck-widget__type-around"},(function(t){const n=this.toDomElement(t);return function(t,e){for(const n of lf){const o=new Ja({tag:"div",attributes:{class:["ck","ck-widget__type-around__button","ck-widget__type-around__button_"+n],title:e[n]},children:[t.ownerDocument.importNode(cf,!0)]});t.appendChild(o.render())}}(n,e),function(t){const e=new Ja({tag:"div",attributes:{class:["ck","ck-widget__type-around__fake-caret"]}});t.appendChild(e.render())}(n),n}));t.insert(t.createPositionAt(n,"end"),o)}(i.writer,o,r)}),{priority:"low"})}_enableTypeAroundFakeCaretActivationUsingKeyboardArrows(){const t=this.editor,e=t.model,n=e.document.selection,o=e.schema,i=t.editing.view;function r(t){return"ck-widget_type-around_show-fake-caret_"+t}this._listenToIfEnabled(i.document,"keydown",((t,e)=>{xo(e.keyCode)&&this._handleArrowKeyPress(t,e)}),{priority:ye.get("high")+10}),this._listenToIfEnabled(n,"change:range",((e,n)=>{n.directChange&&t.model.change((t=>{t.removeSelectionAttribute("widget-type-around")}))})),this._listenToIfEnabled(e.document,"change:data",(()=>{const e=n.getSelectedElement();e&&Yu(t.editing.mapper.toViewElement(e),e,o)||t.model.change((t=>{t.removeSelectionAttribute("widget-type-around")}))})),this._listenToIfEnabled(t.editing.downcastDispatcher,"selection",((t,e,n)=>{const i=n.writer;if(this._currentFakeCaretModelElement){const t=n.mapper.toViewElement(this._currentFakeCaretModelElement);t&&(i.removeClass(lf.map(r),t),this._currentFakeCaretModelElement=null)}const s=e.selection.getSelectedElement();if(!s)return;const a=n.mapper.toViewElement(s);if(!Yu(a,s,o))return;const l=Gu(e.selection);l&&(i.addClass(r(l),a),this._currentFakeCaretModelElement=s)})),this._listenToIfEnabled(t.ui.focusTracker,"change:isFocused",((e,n,o)=>{o||t.model.change((t=>{t.removeSelectionAttribute("widget-type-around")}))}))}_handleArrowKeyPress(t,e){const n=this.editor,o=n.model,i=o.document.selection,r=o.schema,s=n.editing.view,a=Co(e.keyCode,n.locale.contentLanguageDirection),l=s.document.selection.getSelectedElement();let c;Yu(l,n.editing.mapper.toModelElement(l),r)?c=this._handleArrowKeyPressOnSelectedWidget(a):i.isCollapsed&&(c=this._handleArrowKeyPressWhenSelectionNextToAWidget(a)),c&&(e.preventDefault(),t.stop())}_handleArrowKeyPressOnSelectedWidget(t){const e=this.editor.model,n=Gu(e.document.selection);return e.change((e=>n?n!==(t?"after":"before")&&(e.removeSelectionAttribute("widget-type-around"),!0):(e.setSelectionAttribute("widget-type-around",t?"after":"before"),!0)))}_handleArrowKeyPressWhenSelectionNextToAWidget(t){const e=this.editor,n=e.model,o=n.schema,i=e.plugins.get("Widget"),r=i._getObjectElementNextToSelection(t);return!!Yu(e.editing.mapper.toViewElement(r),r,o)&&(n.change((e=>{i._setSelectionOverElement(r),e.setSelectionAttribute("widget-type-around",t?"before":"after")})),!0)}_enableInsertingParagraphsOnButtonClick(){const t=this.editor,e=t.editing.view;this._listenToIfEnabled(e.document,"mousedown",((n,o)=>{const i=o.domTarget.closest(".ck-widget__type-around__button");if(!i)return;const r=function(t){return t.classList.contains("ck-widget__type-around__button_before")?"before":"after"}(i),s=function(t,e){const n=t.closest(".ck-widget");return e.mapDomToView(n)}(i,e.domConverter),a=t.editing.mapper.toModelElement(s);this._insertParagraph(a,r),o.preventDefault(),n.stop()}))}_enableInsertingParagraphsOnEnterKeypress(){const t=this.editor,e=t.editing.view;this._listenToIfEnabled(e.document,"enter",((n,o)=>{const i=e.document.selection.getSelectedElement(),r=t.editing.mapper.toModelElement(i),s=t.model.schema;let a;this._insertParagraphAccordingToFakeCaretPosition()?a=!0:Yu(i,r,s)&&(this._insertParagraph(r,o.isSoft?"before":"after"),a=!0),a&&(o.preventDefault(),n.stop())}))}_enableInsertingParagraphsOnTypingKeystroke(){const t=this.editor.editing.view,e=[ko.enter,ko.delete,ko.backspace];this._listenToIfEnabled(t.document,"keydown",((t,n)=>{e.includes(n.keyCode)||Cc(n)||this._insertParagraphAccordingToFakeCaretPosition()}),{priority:ye.get("high")+1})}_enableDeleteIntegration(){const t=this.editor,e=t.editing.view,n=t.model,o=n.schema;this._listenToIfEnabled(e.document,"delete",((e,i)=>{const r=Gu(n.document.selection);if(!r)return;const s=i.direction,a=n.document.selection.getSelectedElement(),l="forward"==s;if("before"===r===l)t.execute("delete",{selection:n.createSelection(a,"on")});else{const e=o.getNearestSelectionRange(n.createPositionAt(a,r),s);if(e)if(e.isCollapsed){const i=n.createSelection(e.start);if(n.modifySelection(i,{direction:s}),i.focus.isEqual(e.start)){const t=function(t,e){let n=e;for(const o of e.getAncestors({parentFirst:!0})){if(o.childCount>1||t.isLimit(o))break;n=o}return n}(o,e.start.parent);n.deleteContent(n.createSelection(t,"on"),{doNotAutoparagraph:!0})}else n.change((n=>{n.setSelection(e),t.execute(l?"forwardDelete":"delete")}))}else n.change((n=>{n.setSelection(e),t.execute(l?"forwardDelete":"delete")}))}i.preventDefault(),e.stop()}),{priority:ye.get("high")+1})}_enableInsertContentIntegration(){const t=this.editor,e=this.editor.model,n=e.document.selection;this._listenToIfEnabled(t.model,"insertContent",((t,[o,i])=>{if(i&&!i.is("documentSelection"))return;const r=Gu(n);return r?(t.stop(),e.change((t=>{const i=n.getSelectedElement(),s=e.createPositionAt(i,r),a=t.createSelection(s),l=e.insertContent(o,a);return t.setSelection(a),l}))):void 0}),{priority:"high"})}}function uf(t,e,n){const o=t.schema,i=t.createRangeIn(e.root),r="forward"==n?"elementStart":"elementEnd";for(const{previousPosition:t,item:s,type:a}of i.getWalker({startPosition:e,direction:n})){if(o.isLimit(s)&&!o.isInline(s))return t;if(a==r&&o.isBlock(s))return null}return null}function hf(t,e,n){const o="backward"==n?e.end:e.start;if(t.checkChild(o,"$text"))return o;for(const{nextPosition:o}of e.getWalker({direction:n}))if(t.checkChild(o,"$text"))return o}n(54);class ff extends Zl{static get pluginName(){return"Widget"}static get requires(){return[df]}init(){const t=this.editor.editing.view,e=t.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",((t,e,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const o=n.writer,i=o.document.selection,r=i.getSelectedElement();let s=null;for(const t of i.getRanges())for(const e of t){const t=e.item;Ku(t)&&!mf(t,s)&&(o.addClass("ck-widget_selected",t),this._previouslySelected.add(t),s=t,t==r&&o.setSelection(i.getRanges(),{fake:!0,label:Zu(r)}))}}),{priority:"low"}),t.addObserver(hh),this.listenTo(e,"mousedown",((...t)=>this._onMousedown(...t))),this.listenTo(e,"keydown",((...t)=>{this._handleSelectionChangeOnArrowKeyPress(...t)}),{priority:"high"}),this.listenTo(e,"keydown",((...t)=>{this._preventDefaultOnArrowKeyPress(...t)}),{priority:ye.get("high")-20}),this.listenTo(e,"keydown",function(t){const e=t.model;return(n,o)=>{const i=o.keyCode==ko.arrowup,r=o.keyCode==ko.arrowdown,s=o.shiftKey,a=e.document.selection;if(!i&&!r)return;const l=r;if(s&&function(t,e){return!t.isCollapsed&&t.isBackward==e}(a,l))return;const c=function(t,e,n){const o=t.model;if(n){const t=e.isCollapsed?e.focus:e.getLastPosition(),n=uf(o,t,"forward");if(!n)return null;const i=o.createRange(t,n),r=hf(o.schema,i,"backward");return r&&t.isBefore(r)?o.createRange(t,r):null}{const t=e.isCollapsed?e.focus:e.getFirstPosition(),n=uf(o,t,"backward");if(!n)return null;const i=o.createRange(n,t),r=hf(o.schema,i,"forward");return r&&t.isAfter(r)?o.createRange(r,t):null}}(t,a,l);c&&!c.isCollapsed&&function(t,e,n){const o=t.model,i=t.view.domConverter;if(n){const t=o.createSelection(e.start);o.modifySelection(t),t.focus.isAtEnd||e.start.isEqual(t.focus)||(e=o.createRange(t.focus,e.end))}const r=t.mapper.toViewRange(e),s=i.viewRangeToDom(r),a=nr.getDomRangeRects(s);let l;for(const t of a)if(void 0!==l){if(Math.round(t.top)>=l)return!1;l=Math.max(l,Math.round(t.bottom))}else l=Math.round(t.bottom);return!0}(t,c,l)&&(e.change((t=>{const n=l?c.end:c.start;if(s){const o=e.createSelection(a.anchor);o.setFocus(n),t.setSelection(o)}else t.setSelection(n)})),n.stop(),o.preventDefault(),o.stopPropagation())}}(this.editor.editing)),this.listenTo(e,"delete",((t,e)=>{this._handleDelete("forward"==e.direction)&&(e.preventDefault(),t.stop())}),{priority:"high"})}_onMousedown(t,e){const n=this.editor,o=n.editing.view,i=o.document;let r=e.target;if(function(t){for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(Ku(t))return!1;t=t.parent}return!1}(r)){if((go||mo)&&e.domEvent.detail>=3){const t=n.editing.mapper,o=r.is("attributeElement")?r.findAncestor((t=>!t.is("attributeElement"))):r,i=t.toModelElement(o);e.preventDefault(),this.editor.model.change((t=>{t.setSelection(i,"in")}))}return}if(!Ku(r)&&(r=r.findAncestor(Ku),!r))return;e.preventDefault(),i.isFocused||o.focus();const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_handleSelectionChangeOnArrowKeyPress(t,e){const n=e.keyCode;if(!xo(n))return;const o=this.editor.model,i=o.schema,r=o.document.selection,s=r.getSelectedElement(),a=Co(n,this.editor.locale.contentLanguageDirection);if(s&&i.isObject(s)){const n=a?r.getLastPosition():r.getFirstPosition(),s=i.getNearestSelectionRange(n,a?"forward":"backward");return void(s&&(o.change((t=>{t.setSelection(s)})),e.preventDefault(),t.stop()))}if(!r.isCollapsed)return;const l=this._getObjectElementNextToSelection(a);l&&i.isObject(l)&&(this._setSelectionOverElement(l),e.preventDefault(),t.stop())}_preventDefaultOnArrowKeyPress(t,e){if(!xo(e.keyCode))return;const n=this.editor.model,o=n.schema,i=n.document.selection.getSelectedElement();i&&o.isObject(i)&&(e.preventDefault(),t.stop())}_handleDelete(t){if(this.editor.isReadOnly)return;const e=this.editor.model.document.selection;if(!e.isCollapsed)return;const n=this._getObjectElementNextToSelection(t);return n?(this.editor.model.change((t=>{let o=e.anchor.parent;for(;o.isEmpty;){const e=o;o=e.parent,t.remove(e)}this._setSelectionOverElement(n)})),!0):void 0}_setSelectionOverElement(t){this.editor.model.change((e=>{e.setSelection(e.createRangeOn(t))}))}_getObjectElementNextToSelection(t){const e=this.editor.model,n=e.schema,o=e.document.selection,i=e.createSelection(o);e.modifySelection(i,{direction:t?"forward":"backward"});const r=t?i.focus.nodeBefore:i.focus.nodeAfter;return r&&n.isObject(r)?r:null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected)t.removeClass("ck-widget_selected",e);this._previouslySelected.clear()}}function mf(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}class gf extends rc{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=ih(t),ih(t)&&t.hasAttribute("alt")?this.value=t.getAttribute("alt"):this.value=!1}execute(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();e.change((e=>{e.setAttribute("alt",t.newValue,n)}))}}class pf extends Zl{static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new gf(this.editor))}}n(56);class bf extends pl{constructor(t,e){super(t);const n="ck-labeled-field-view-"+ve(),o="ck-labeled-field-view-status-"+ve();this.fieldView=e(this,n,o),this.set("label"),this.set("isEnabled",!0),this.set("errorText",null),this.set("infoText",null),this.set("class"),this.labelView=this._createLabelView(n),this.statusView=this._createStatusView(o),this.bind("_statusText").to(this,"errorText",this,"infoText",((t,e)=>t||e));const i=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view",i.to("class"),i.if("isEnabled","ck-disabled",(t=>!t))]},children:[this.labelView,this.fieldView,this.statusView]})}_createLabelView(t){const e=new pd(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createStatusView(t){const e=new pl(this.locale),n=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view__status",n.if("errorText","ck-labeled-field-view__status_error"),n.if("_statusText","ck-hidden",(t=>!t))],id:t,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]}),e}focus(){this.fieldView.focus()}}n(58);class wf extends pl{constructor(t){super(t),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById");const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",e.if("hasError","ck-error")],id:e.to("id"),placeholder:e.to("placeholder"),readonly:e.to("isReadOnly"),"aria-invalid":e.if("hasError",!0),"aria-describedby":e.to("ariaDescribedById")},on:{input:e.to("input")}})}render(){super.render();const t=t=>{this.element.value=t||0===t?t:""};t(this.value),this.on("change:value",((e,n,o)=>{t(o)}))}select(){this.element.select()}focus(){this.element.focus()}}function kf(t,e,n){const o=new wf(t.locale);return o.set({id:e,ariaDescribedById:n}),o.bind("isReadOnly").to(t,"isEnabled",(t=>!t)),o.bind("hasError").to(t,"errorText",(t=>!!t)),o.on("input",(()=>{t.errorText=null})),o}function _f({view:t}){t.listenTo(t.element,"submit",((e,n)=>{n.preventDefault(),t.fire("submit")}),{useCapture:!0})}var vf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.972 16.615a.997.997 0 0 1-.744-.292l-4.596-4.596a1 1 0 1 1 1.414-1.414l3.926 3.926 9.937-9.937a1 1 0 0 1 1.414 1.415L7.717 16.323a.997.997 0 0 1-.745.292z"/></svg>',yf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.591 10.177l4.243 4.242a1 1 0 0 1-1.415 1.415l-4.242-4.243-4.243 4.243a1 1 0 0 1-1.414-1.415l4.243-4.242L4.52 5.934A1 1 0 0 1 5.934 4.52l4.243 4.243 4.242-4.243a1 1 0 1 1 1.415 1.414l-4.243 4.243z"/></svg>';n(60),n(7);class xf extends pl{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new Ua,this.keystrokes=new Da,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(e("Save"),vf,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("Cancel"),yf,"ck-button-cancel","cancel"),this._focusables=new Qa,this._focusCycler=new yl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form","ck-responsive-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),this.keystrokes.listenTo(this.element),_f({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach((t=>{this._focusables.add(t),this.focusTracker.add(t.element)}))}_createButton(t,e,n,o){const i=new Dl(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}_createLabeledInputView(){const t=this.locale.t,e=new bf(this.locale,kf);return e.label=t("Text alternative"),e.fieldView.placeholder=t("Text alternative"),e}}n(63),n(65);const Af=Bu("px");class Cf extends Zl{static get pluginName(){return"ContextualBalloon"}constructor(t){super(t),this.positionLimiter=()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null},this.set("visibleView",null),this.view=new Uu(t.locale),t.ui.view.body.add(this.view),t.ui.focusTracker.add(this.view.element),this._viewToStack=new Map,this._idToStack=new Map,this.set("_numberOfStacks",0),this.set("_singleViewMode",!1),this._rotatorView=this._createRotatorView(),this._fakePanelsView=this._createFakePanelsView()}hasView(t){return Array.from(this._viewToStack.keys()).includes(t)}add(t){if(this.hasView(t.view))throw new xe.a("contextualballoon-add-view-exist",[this,t]);const e=t.stackId||"main";if(!this._idToStack.has(e))return this._idToStack.set(e,new Map([[t.view,t]])),this._viewToStack.set(t.view,this._idToStack.get(e)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!t.singleViewMode||this.showStack(e));const n=this._idToStack.get(e);t.singleViewMode&&this.showStack(e),n.set(t.view,t),this._viewToStack.set(t.view,n),n===this._visibleStack&&this._showView(t)}remove(t){if(!this.hasView(t))throw new xe.a("contextualballoon-remove-view-not-exist",[this,t]);const e=this._viewToStack.get(t);this._singleViewMode&&this.visibleView===t&&(this._singleViewMode=!1),this.visibleView===t&&(1===e.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(e.values())[e.size-2])),1===e.size?(this._idToStack.delete(this._getStackId(e)),this._numberOfStacks=this._idToStack.size):e.delete(t),this._viewToStack.delete(t)}updatePosition(t){t&&(this._visibleStack.get(this.visibleView).position=t),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(t){this.visibleStack=t;const e=this._idToStack.get(t);if(!e)throw new xe.a("contextualballoon-showstack-stack-not-exist",this);this._visibleStack!==e&&this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){return Array.from(this._idToStack.entries()).find((e=>e[1]===t))[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;t[e]||(e=0),this.showStack(this._getStackId(t[e]))}_showPrevStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)-1;t[e]||(e=t.length-1),this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new Tf(this.editor.locale),e=this.editor.locale.t;return this.view.content.add(t),t.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",((t,e)=>!e&&t>1)),t.on("change:isNavigationVisible",(()=>this.updatePosition()),{priority:"low"}),t.bind("counter").to(this,"visibleView",this,"_numberOfStacks",((t,n)=>{if(n<2)return"";const o=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("%0 of %1",[o,n])})),t.buttonNextView.on("execute",(()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showNextStack()})),t.buttonPrevView.on("execute",(()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showPrevStack()})),t}_createFakePanelsView(){const t=new Sf(this.editor.locale,this.view);return t.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",((t,e)=>!e&&t>=2?Math.min(t-1,2):0)),t.listenTo(this.view,"change:top",(()=>t.updatePosition())),t.listenTo(this.view,"change:left",(()=>t.updatePosition())),this.editor.ui.view.body.add(t),t}_showView({view:t,balloonClassName:e="",withArrow:n=!0,singleViewMode:o=!1}){this.view.class=e,this.view.withArrow=n,this._rotatorView.showView(t),this.visibleView=t,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),o&&(this._singleViewMode=!0)}_getBalloonPosition(){let t=Array.from(this._visibleStack.values()).pop().position;return t&&!t.limiter&&(t=Object.assign({},t,{limiter:this.positionLimiter})),t}}class Tf extends pl{constructor(t){super(t);const e=t.t,n=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new Ua,this.buttonPrevView=this._createButtonView(e("Previous"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.463 5.187a.888.888 0 1 1 1.254 1.255L9.16 10l3.557 3.557a.888.888 0 1 1-1.254 1.255L7.26 10.61a.888.888 0 0 1 .16-1.382l4.043-4.042z"/></svg>'),this.buttonNextView=this._createButtonView(e("Next"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.537 14.813a.888.888 0 1 1-1.254-1.255L10.84 10 7.283 6.442a.888.888 0 1 1 1.254-1.255L12.74 9.39a.888.888 0 0 1-.16 1.382l-4.043 4.042z"/></svg>'),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",n.to("isNavigationVisible",(t=>t?"":"ck-hidden"))]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:n.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render(),this.focusTracker.add(this.element)}showView(t){this.hideView(),this.content.add(t)}hideView(){this.content.clear()}_createButtonView(t,e){const n=new Dl(this.locale);return n.set({label:t,icon:e,tooltip:!0}),n}}class Sf extends pl{constructor(t,e){super(t);const n=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("height",0),this.set("width",0),this.set("numberOfPanels",0),this.content=this.createCollection(),this._balloonPanelView=e,this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",n.to("numberOfPanels",(t=>t?"":"ck-hidden"))],style:{top:n.to("top",Af),left:n.to("left",Af),width:n.to("width",Af),height:n.to("height",Af)}},children:this.content}),this.on("change:numberOfPanels",((t,e,n,o)=>{n>o?this._addPanels(n-o):this._removePanels(o-n),this.updatePosition()}))}_addPanels(t){for(;t--;){const t=new pl;t.setTemplate({tag:"div"}),this.content.add(t),this.registerChild(t)}}_removePanels(t){for(;t--;){const t=this.content.last;this.content.remove(t),this.deregisterChild(t),t.destroy()}}updatePosition(){if(this.numberOfPanels){const{top:t,left:e}=this._balloonPanelView,{width:n,height:o}=new nr(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:n,height:o})}}}function Ef(t){const e=t.editing.view,n=Uu.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class Pf extends Zl{static get requires(){return[Cf]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton(),this._createForm()}destroy(){super.destroy(),this._form.destroy()}_createButton(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageTextAlternative",(n=>{const o=t.commands.get("imageTextAlternative"),i=new Dl(n);return i.set({label:e("Change image text alternative"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.085 6.22L2.943 4.078a.75.75 0 1 1 1.06-1.06l2.592 2.59A11.094 11.094 0 0 1 10 5.068c4.738 0 8.578 3.101 8.578 5.083 0 1.197-1.401 2.803-3.555 3.887l1.714 1.713a.75.75 0 0 1-.09 1.138.488.488 0 0 1-.15.084.75.75 0 0 1-.821-.16L6.17 7.304c-.258.11-.51.233-.757.365l6.239 6.24-.006.005.78.78c-.388.094-.78.166-1.174.215l-1.11-1.11h.011L4.55 8.197a7.2 7.2 0 0 0-.665.514l-.112.098 4.897 4.897-.005.006 1.276 1.276a10.164 10.164 0 0 1-1.477-.117l-.479-.479-.009.009-4.863-4.863-.022.031a2.563 2.563 0 0 0-.124.2c-.043.077-.08.158-.108.241a.534.534 0 0 0-.028.133.29.29 0 0 0 .008.072.927.927 0 0 0 .082.226c.067.133.145.26.234.379l3.242 3.365.025.01.59.623c-3.265-.918-5.59-3.155-5.59-4.668 0-1.194 1.448-2.838 3.663-3.93zm7.07.531a4.632 4.632 0 0 1 1.108 5.992l.345.344.046-.018a9.313 9.313 0 0 0 2-1.112c.256-.187.5-.392.727-.613.137-.134.27-.277.392-.431.072-.091.141-.185.203-.286.057-.093.107-.19.148-.292a.72.72 0 0 0 .036-.12.29.29 0 0 0 .008-.072.492.492 0 0 0-.028-.133.999.999 0 0 0-.036-.096 2.165 2.165 0 0 0-.071-.145 2.917 2.917 0 0 0-.125-.2 3.592 3.592 0 0 0-.263-.335 5.444 5.444 0 0 0-.53-.523 7.955 7.955 0 0 0-1.054-.768 9.766 9.766 0 0 0-1.879-.891c-.337-.118-.68-.219-1.027-.301zm-2.85.21l-.069.002a.508.508 0 0 0-.254.097.496.496 0 0 0-.104.679.498.498 0 0 0 .326.199l.045.005c.091.003.181.003.272.012a2.45 2.45 0 0 1 2.017 1.513c.024.061.043.125.069.185a.494.494 0 0 0 .45.287h.008a.496.496 0 0 0 .35-.158.482.482 0 0 0 .13-.335.638.638 0 0 0-.048-.219 3.379 3.379 0 0 0-.36-.723 3.438 3.438 0 0 0-2.791-1.543l-.028-.001h-.013z"/></svg>',tooltip:!0}),i.bind("isEnabled").to(o,"isEnabled"),this.listenTo(i,"execute",(()=>{this._showForm()})),i}))}_createForm(){const t=this.editor,e=t.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new xf(t.locale),this._form.render(),this.listenTo(this._form,"submit",(()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.fieldView.element.value}),this._hideForm(!0)})),this.listenTo(this._form,"cancel",(()=>{this._hideForm(!0)})),this._form.keystrokes.set("Esc",((t,e)=>{this._hideForm(!0),e()})),this.listenTo(t.ui,"update",(()=>{oh(e.selection)?this._isVisible&&function(t){const e=t.plugins.get("ContextualBalloon");if(oh(t.editing.view.document.selection)){const n=Ef(t);e.updatePosition(n)}}(t):this._hideForm(!0)})),Hl({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const t=this.editor,e=t.commands.get("imageTextAlternative"),n=this._form.labeledInput;this._isInBalloon||this._balloon.add({view:this._form,position:Ef(t)}),n.fieldView.value=n.fieldView.element.value=e.value||"",this._form.labeledInput.fieldView.select()}_hideForm(t){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),t&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}class Mf extends Zl{static get requires(){return[pf,Pf]}static get pluginName(){return"ImageTextAlternative"}}n(67);class If extends Zl{static get requires(){return[dh,ff,Mf]}static get pluginName(){return"Image"}}class Nf extends pl{constructor(t){super(t),this.buttonView=new Dl(t),this._fileInputView=new Of(t),this._fileInputView.bind("acceptedType").to(this),this._fileInputView.bind("allowMultipleFiles").to(this),this._fileInputView.delegate("done").to(this),this.setTemplate({tag:"span",attributes:{class:"ck-file-dialog-button"},children:[this.buttonView,this._fileInputView]}),this.buttonView.on("execute",(()=>{this._fileInputView.open()}))}focus(){this.buttonView.focus()}}class Of extends pl{constructor(t){super(t),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:e.to("acceptedType"),multiple:e.to("allowMultipleFiles")},on:{change:e.to((()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""}))}})}open(){this.element.click()}}function Rf(t){const e=t.map((t=>t.replace("+","\\+")));return new RegExp(`^image\\/(${e.join("|")})$`)}class Df extends Zl{static get pluginName(){return"ImageUploadUI"}init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageUpload",(n=>{const o=new Nf(n),i=t.commands.get("imageUpload"),r=t.config.get("image.upload.types"),s=Rf(r);return o.set({acceptedType:r.map((t=>"image/"+t)).join(","),allowMultipleFiles:!0}),o.buttonView.set({label:e("Insert image"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.91 10.54c.26-.23.64-.21.88.03l3.36 3.14 2.23-2.06a.64.64 0 0 1 .87 0l2.52 2.97V4.5H3.2v10.12l3.71-4.08zm10.27-7.51c.6 0 1.09.47 1.09 1.05v11.84c0 .59-.49 1.06-1.09 1.06H2.79c-.6 0-1.09-.47-1.09-1.06V4.08c0-.58.49-1.05 1.1-1.05h14.38zm-5.22 5.56a1.96 1.96 0 1 1 3.4-1.96 1.96 1.96 0 0 1-3.4 1.96z"/></svg>',tooltip:!0}),o.buttonView.bind("isEnabled").to(i),o.on("done",((e,n)=>{const o=Array.from(n).filter((t=>s.test(t.type)));o.length&&t.execute("imageUpload",{file:o})})),o}))}}n(69),n(71),n(73);class Lf extends Zl{constructor(t){super(t),this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 700 250"><rect rx="4"/></svg>')}init(){this.editor.editing.downcastDispatcher.on("attribute:uploadStatus:image",((...t)=>this.uploadStatusChange(...t)))}uploadStatusChange(t,e,n){const o=this.editor,i=e.item,r=i.getAttribute("uploadId");if(!n.consumable.consume(e.item,t.name))return;const s=o.plugins.get(uu),a=r?e.attributeNewValue:null,l=this.placeholder,c=o.editing.mapper.toViewElement(i),d=n.writer;if("reading"==a)return zf(c,d),void Vf(l,c,d);if("uploading"==a){const t=s.loaders.get(r);return zf(c,d),void(t?(jf(c,d),function(t,e,n,o){const i=function(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});return t.setCustomProperty("progressBar",!0,e),e}(e);e.insert(e.createPositionAt(t,"end"),i),n.on("change:uploadedPercent",((t,e,n)=>{o.change((t=>{t.setStyle("width",n+"%",i)}))}))}(c,d,t,o.editing.view),function(t,e,n){if(n.data){const o=ah(t);e.setAttribute("src",n.data,o)}}(c,d,t)):Vf(l,c,d))}"complete"==a&&s.loaders.get(r)&&function(t,e,n){const o=e.createUIElement("div",{class:"ck-image-upload-complete-icon"});e.insert(e.createPositionAt(t,"end"),o),setTimeout((()=>{n.change((t=>t.remove(t.createRangeOn(o))))}),3e3)}(c,d,o.editing.view),function(t,e){Ff(t,e,"progressBar")}(c,d),jf(c,d),function(t,e){e.removeClass("ck-appear",t)}(c,d)}}function zf(t,e){t.hasClass("ck-appear")||e.addClass("ck-appear",t)}function Vf(t,e,n){e.hasClass("ck-image-upload-placeholder")||n.addClass("ck-image-upload-placeholder",e);const o=ah(e);o.getAttribute("src")!==t&&n.setAttribute("src",t,o),Bf(e,"placeholder")||n.insert(n.createPositionAfter(o),function(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});return t.setCustomProperty("placeholder",!0,e),e}(n))}function jf(t,e){t.hasClass("ck-image-upload-placeholder")&&e.removeClass("ck-image-upload-placeholder",t),Ff(t,e,"placeholder")}function Bf(t,e){for(const n of t.getChildren())if(n.getCustomProperty(e))return n}function Ff(t,e,n){const o=Bf(t,n);o&&e.remove(e.createRangeOn(o))}class Hf{constructor(t){this.document=t}createDocumentFragment(t){return new Io(this.document,t)}createElement(t,e,n){return new Rn(this.document,t,e,n)}createText(t){return new qe(this.document,t)}clone(t,e=!1){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,n){return n._insertChild(t,e)}removeChildren(t,e,n){return n._removeChildren(t,e)}remove(t){const e=t.parent;return e?this.removeChildren(e.getChildIndex(t),1,e):[]}replace(t,e){const n=t.parent;if(n){const o=n.getChildIndex(t);return this.removeChildren(o,1,n),this.insertChild(o,e,n),!0}return!1}unwrapElement(t){const e=t.parent;if(e){const n=e.getChildIndex(t);this.remove(t),this.insertChild(n,t.getChildren(),e)}}rename(t,e){const n=new Rn(this.document,t,e.getAttributes(),e.getChildren());return this.replace(e,n)?n:null}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){_(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}createPositionAt(t,e){return Xn._createAt(t,e)}createPositionAfter(t){return Xn._createAfter(t)}createPositionBefore(t){return Xn._createBefore(t)}createRange(t,e){return new to(t,e)}createRangeOn(t){return to._createOn(t)}createRangeIn(t){return to._createIn(t)}createSelection(t,e,n){return new oo(t,e,n)}}class Uf extends rc{refresh(){const t=this.editor.model.document.selection.getSelectedElement(),e=t&&"image"===t.name||!1;this.isEnabled=sh(this.editor.model)||e}execute(t){const e=this.editor,n=e.model,o=e.plugins.get(uu);n.change((e=>{const i=Array.isArray(t.file)?t.file:[t.file];for(const t of i)qf(e,n,o,t)}))}}function qf(t,e,n,o){const i=n.createLoader(o);i&&rh(t,e,{uploadId:i.id})}class Wf extends Zl{static get requires(){return[uu,Kh,ic]}static get pluginName(){return"ImageUploadEditing"}constructor(t){super(t),t.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}})}init(){const t=this.editor,e=t.model.document,n=t.model.schema,o=t.conversion,i=t.plugins.get(uu),r=Rf(t.config.get("image.upload.types"));n.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),t.commands.add("imageUpload",new Uf(t)),o.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(t.editing.view.document,"clipboardInput",((e,n)=>{if(o=n.dataTransfer,Array.from(o.types).includes("text/html")&&""!==o.getData("text/html"))return;var o;const i=Array.from(n.dataTransfer.files).filter((t=>!!t&&r.test(t.type))),s=n.targetRanges.map((e=>t.editing.mapper.toModelRange(e)));t.model.change((n=>{n.setSelection(s),i.length&&(e.stop(),t.model.enqueueChange("default",(()=>{t.execute("imageUpload",{file:i})})))}))})),this.listenTo(t.plugins.get(ic),"inputTransformation",((e,n)=>{const o=Array.from(t.editing.view.createRangeIn(n.content)).filter((t=>{return!(!(e=t.item).is("element","img")||!e.getAttribute("src"))&&(e.getAttribute("src").match(/^data:image\/\w+;base64,/g)||e.getAttribute("src").match(/^blob:/g))&&!t.item.getAttribute("uploadProcessed");var e})).map((t=>{return{promise:(e=t.item,new Promise(((t,n)=>{const o=e.getAttribute("src");fetch(o).then((t=>t.blob())).then((e=>{const n=function(t,e){return t.type?t.type:e.match(/data:(image\/\w+);base64/)?e.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}(e,o),i=n.replace("image/",""),r=new File([e],"image."+i,{type:n});t(r)})).catch(n)}))),imageElement:t.item};var e}));if(!o.length)return;const r=new Hf(t.editing.view.document);for(const t of o){r.setAttribute("uploadProcessed",!0,t.imageElement);const e=i.createLoader(t.promise);e&&(r.setAttribute("src","",t.imageElement),r.setAttribute("uploadId",e.id,t.imageElement))}})),t.editing.view.document.on("dragover",((t,e)=>{e.preventDefault()})),e.on("change",(()=>{const n=e.differ.getChanges({includeChangesInGraveyard:!0});for(const e of n)if("insert"==e.type&&"$text"!=e.name){const n=e.position.nodeAfter,o="$graveyard"==e.position.root.rootName;for(const e of $f(t,n)){const t=e.getAttribute("uploadId");if(!t)continue;const n=i.loaders.get(t);n&&(o?n.abort():"idle"==n.status&&this._readAndUpload(n,e))}}}))}_readAndUpload(t,e){const n=this.editor,o=n.model,i=n.locale.t,r=n.plugins.get(uu),s=n.plugins.get(Kh);return o.enqueueChange("transparent",(t=>{t.setAttribute("uploadStatus","reading",e)})),t.read().then((()=>{const i=t.upload();if(go){const t=ah(n.editing.mapper.toViewElement(e));n.editing.view.once("render",(()=>{if(!t.parent)return;const e=n.editing.view.domConverter.mapViewToDom(t.parent);if(!e)return;const o=e.style.display;e.style.display="none",e._ckHack=e.offsetHeight,e.style.display=o}))}return o.enqueueChange("transparent",(t=>{t.setAttribute("uploadStatus","uploading",e)})),i})).then((t=>{o.enqueueChange("transparent",(n=>{n.setAttributes({uploadStatus:"complete",src:t.default},e),this._parseAndSetSrcsetAttributeOnImage(t,e,n)})),a()})).catch((n=>{if("error"!==t.status&&"aborted"!==t.status)throw n;"error"==t.status&&n&&s.showWarning(n,{title:i("Upload failed"),namespace:"upload"}),a(),o.enqueueChange("transparent",(t=>{t.remove(e)}))}));function a(){o.enqueueChange("transparent",(t=>{t.removeAttribute("uploadId",e),t.removeAttribute("uploadStatus",e)})),r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let o=0;const i=Object.keys(t).filter((t=>{const e=parseInt(t,10);if(!isNaN(e))return o=Math.max(o,e),!0})).map((e=>`${t[e]} ${e}w`)).join(", ");""!=i&&n.setAttribute("srcset",{data:i,width:o},e)}}function $f(t,e){return Array.from(t.model.createRangeOn(e)).filter((t=>t.item.is("element","image"))).map((t=>t.item))}class Yf extends Zl{static get pluginName(){return"ImageUpload"}static get requires(){return[Wf,Df,Lf]}}class Gf extends rc{refresh(){const t=this.editor.model,e=od(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("element","paragraph"),this.isEnabled=!!e&&Kf(e,t.schema)}execute(t={}){const e=this.editor.model,n=e.document;e.change((o=>{const i=(t.selection||n.selection).getSelectedBlocks();for(const t of i)!t.is("element","paragraph")&&Kf(t,e.schema)&&o.rename(t,"paragraph")}))}}function Kf(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class Qf extends rc{execute(t){const e=this.editor.model;let n=t.position;e.change((t=>{const o=t.createElement("paragraph");if(!e.schema.checkChild(n.parent,o)){const i=e.schema.findAllowedParent(n,o);if(!i)return;n=t.split(n,i).position}e.insertContent(o,n),t.setSelection(o,"in")}))}}class Jf extends Zl{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model;t.commands.add("paragraph",new Gf(t)),t.commands.add("insertParagraph",new Qf(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),t.conversion.for("upcast").elementToElement({model:(t,{writer:e})=>Jf.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement("paragraph"):null,view:/.+/,converterPriority:"low"})}}Jf.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td","th"]);class Zf extends rc{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=od(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some((e=>Xf(t,e,this.editor.model.schema)))}execute(t){const e=this.editor.model,n=e.document,o=t.value;e.change((t=>{const i=Array.from(n.selection.getSelectedBlocks()).filter((t=>Xf(t,o,e.schema)));for(const e of i)e.is("element",o)||t.rename(e,o)}))}}function Xf(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}class tm extends Zl{static get pluginName(){return"HeadingEditing"}constructor(t){super(t),t.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[Jf]}init(){const t=this.editor,e=t.config.get("heading.options"),n=[];for(const o of e)"paragraph"!==o.model&&(t.model.schema.register(o.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(o),n.push(o.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new Zf(t,n))}afterInit(){const t=this.editor,e=t.commands.get("enter"),n=t.config.get("heading.options");e&&this.listenTo(e,"afterExecute",((e,o)=>{const i=t.model.document.selection.getFirstPosition().parent;n.some((t=>i.is("element",t.model)))&&!i.is("element","paragraph")&&0===i.childCount&&o.writer.rename(i,"paragraph")}))}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:ye.get("low")+1})}}n(12);class em extends Zl{init(){const t=this.editor,e=t.t,n=function(t){const e=t.t,n={Paragraph:e("Paragraph"),"Heading 1":e("Heading 1"),"Heading 2":e("Heading 2"),"Heading 3":e("Heading 3"),"Heading 4":e("Heading 4"),"Heading 5":e("Heading 5"),"Heading 6":e("Heading 6")};return t.config.get("heading.options").map((t=>{const e=n[t.title];return e&&e!=t.title&&(t.title=e),t}))}(t),o=e("Choose heading"),i=e("Heading");t.ui.componentFactory.add("heading",(e=>{const r={},s=new De,a=t.commands.get("heading"),l=t.commands.get("paragraph"),c=[a];for(const t of n){const e={type:"button",model:new Sd({label:t.title,class:t.class,withText:!0})};"paragraph"===t.model?(e.model.bind("isOn").to(l,"value"),e.model.set("commandName","paragraph"),c.push(l)):(e.model.bind("isOn").to(a,"value",(e=>e===t.model)),e.model.set({commandName:"heading",commandValue:t.model})),s.add(e),r[t.model]=t.title}const d=Ul(e);return Wl(d,s),d.buttonView.set({isOn:!1,withText:!0,tooltip:i}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(c,"isEnabled",((...t)=>t.some((t=>t)))),d.buttonView.bind("label").to(a,"value",l,"value",((t,e)=>{const n=t||e&&"paragraph";return r[n]?r[n]:o})),this.listenTo(d,"execute",(e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:void 0),t.editing.view.focus()})),d}))}}function nm(t){for(const e of t.getChildren())if(e&&e.is("element","caption"))return e;return null}function om(t){const e=t.parent;return"figcaption"==t.name&&e&&"figure"==e.name&&e.hasClass("image")?{name:!0}:null}class im extends Zl{static get pluginName(){return"ImageCaptionEditing"}init(){const t=this.editor,e=t.editing.view,n=t.model.schema,o=t.data,i=t.editing,r=t.t;n.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:!0}),t.model.document.registerPostFixer((t=>this._insertMissingModelCaptionElement(t))),t.conversion.for("upcast").elementToElement({view:om,model:"caption"}),o.downcastDispatcher.on("insert:caption",rm((t=>t.createContainerElement("figcaption")),!1));const s=function(t,e){return n=>{const o=n.createEditableElement("figcaption");return n.setCustomProperty("imageCaption",!0,o),$a({view:t,element:o,text:e}),Xu(o,n)}}(e,r("Enter image caption"));i.downcastDispatcher.on("insert:caption",rm(s)),i.downcastDispatcher.on("insert",this._fixCaptionVisibility((t=>t.item)),{priority:"high"}),i.downcastDispatcher.on("remove",this._fixCaptionVisibility((t=>t.position.parent)),{priority:"high"}),e.document.registerPostFixer((t=>this._updateCaptionVisibility(t)))}_updateCaptionVisibility(t){const e=this.editor.editing.mapper,n=this._lastSelectedCaption;let o;const i=this.editor.model.document.selection,r=i.getSelectedElement();if(r&&r.is("element","image")){const t=nm(r);o=e.toViewElement(t)}const s=sm(i.getFirstPosition().parent);if(s&&(o=e.toViewElement(s)),o)return n?(n===o||(am(n,t),this._lastSelectedCaption=o),lm(o,t)):(this._lastSelectedCaption=o,lm(o,t));if(n){const e=am(n,t);return this._lastSelectedCaption=null,e}return!1}_fixCaptionVisibility(t){return(e,n,o)=>{const i=sm(t(n)),r=this.editor.editing.mapper,s=o.writer;if(i){const t=r.toViewElement(i);t&&(i.childCount?s.removeClass("ck-hidden",t):s.addClass("ck-hidden",t))}}}_insertMissingModelCaptionElement(t){const e=this.editor.model,n=e.document.differ.getChanges(),o=[];for(const t of n)if("insert"==t.type&&"$text"!=t.name){const n=t.position.nodeAfter;if(n.is("element","image")&&!nm(n)&&o.push(n),!n.is("element","image")&&n.childCount)for(const t of e.createRangeIn(n).getItems())t.is("element","image")&&!nm(t)&&o.push(t)}for(const e of o)t.appendElement("caption",e);return!!o.length}}function rm(t,e=!0){return(n,o,i)=>{const r=o.item;if((r.childCount||e)&&ih(r.parent)){if(!i.consumable.consume(o.item,"insert"))return;const e=i.mapper.toViewElement(o.range.start.parent),n=t(i.writer),s=i.writer;r.childCount||s.addClass("ck-hidden",n),function(t,e,n,o){const i=o.writer.createPositionAt(n,"end");o.writer.insert(i,t),o.mapper.bindElements(e,t)}(n,o.item,e,i)}}}function sm(t){const e=t.getAncestors({includeSelf:!0}).find((t=>"caption"==t.name));return e&&e.parent&&"image"==e.parent.name?e:null}function am(t,e){return!t.childCount&&!t.hasClass("ck-hidden")&&(e.addClass("ck-hidden",t),!0)}function lm(t,e){return!!t.hasClass("ck-hidden")&&(e.removeClass("ck-hidden",t),!0)}n(76);class cm extends rc{constructor(t,e){super(t),this.defaultStyle=!1,this.styles=e.reduce(((t,e)=>(t[e.name]=e,e.isDefault&&(this.defaultStyle=e.name),t)),{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();if(this.isEnabled=ih(t),t)if(t.hasAttribute("imageStyle")){const e=t.getAttribute("imageStyle");this.value=!!this.styles[e]&&e}else this.value=this.defaultStyle;else this.value=!1}execute(t){const e=t.value,n=this.editor.model,o=n.document.selection.getSelectedElement();n.change((t=>{this.styles[e].isDefault?t.removeAttribute("imageStyle",o):t.setAttribute("imageStyle",e,o)}))}}function dm(t,e){for(const n of e)if(n.name===t)return n}var um='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm2.5 3V12h11V7.5h-11zM4.061 6H15.94c.586 0 1.061.407 1.061.91v5.68c0 .503-.475.91-1.061.91H4.06c-.585 0-1.06-.407-1.06-.91V6.91C3 6.406 3.475 6 4.061 6zM2 16.5V15h16v1.5z"/></svg>',hm='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="1.414"><path d="M18 4.5V3H2v1.5h16zm0 3V6h-5.674v1.5H18zm0 3V9h-5.674v1.5H18zm0 3V12h-5.674v1.5H18zm-8.5-6V12h-6V7.5h6zm.818-1.5H2.682C2.305 6 2 6.407 2 6.91v5.68c0 .503.305.91.682.91h7.636c.377 0 .682-.407.682-.91V6.91c0-.503-.305-.91-.682-.91zM18 16.5V15H2v1.5h16z"/></svg>',fm='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm4.5 3V12h7V7.5h-7zM5.758 6h8.484c.419 0 .758.407.758.91v5.681c0 .502-.34.909-.758.909H5.758c-.419 0-.758-.407-.758-.91V6.91c0-.503.34-.91.758-.91zM2 16.5V15h16v1.5z"/></svg>',mm='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm0 3V6h5.674v1.5zm0 3V9h5.674v1.5zm0 3V12h5.674v1.5zm8.5-6V12h6V7.5h-6zM9.682 6h7.636c.377 0 .682.407.682.91v5.68c0 .503-.305.91-.682.91H9.682c-.377 0-.682-.407-.682-.91V6.91c0-.503.305-.91.682-.91zM2 16.5V15h16v1.5z"/></svg>';const gm={full:{name:"full",title:"Full size image",icon:um,isDefault:!0},side:{name:"side",title:"Side image",icon:mm,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:hm,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:fm,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:mm,className:"image-style-align-right"}},pm={full:um,left:hm,right:mm,center:fm};function bm(t=[]){return t.map(wm)}function wm(t){if("string"==typeof t){const e=t;gm[e]?t=Object.assign({},gm[e]):(Object(xe.c)("image-style-not-found",{name:e}),t={name:e})}else if(gm[t.name]){const e=gm[t.name],n=Object.assign({},t);for(const o in e)Object.prototype.hasOwnProperty.call(t,o)||(n[o]=e[o]);t=n}return"string"==typeof t.icon&&pm[t.icon]&&(t.icon=pm[t.icon]),t}class km extends Zl{static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor,e=t.model.schema,n=t.data,o=t.editing;t.config.define("image.styles",["full","side"]);const i=bm(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const r=function(t){return(e,n,o)=>{if(!o.consumable.consume(n.item,e.name))return;const i=dm(n.attributeNewValue,t),r=dm(n.attributeOldValue,t),s=o.mapper.toViewElement(n.item),a=o.writer;r&&a.removeClass(r.className,s),i&&a.addClass(i.className,s)}}(i);o.downcastDispatcher.on("attribute:imageStyle:image",r),n.downcastDispatcher.on("attribute:imageStyle:image",r),n.upcastDispatcher.on("element:figure",function(t){const e=t.filter((t=>!t.isDefault));return(t,n,o)=>{if(!n.modelRange)return;const i=n.viewItem,r=od(n.modelRange.getItems());if(o.schema.checkAttribute(r,"imageStyle"))for(const t of e)o.consumable.consume(i,{classes:t.className})&&o.writer.setAttribute("imageStyle",t.name,r)}}(i),{priority:"low"}),t.commands.add("imageStyle",new cm(t,i))}}n(78);class _m extends Zl{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("Full size image"),"Side image":t("Side image"),"Left aligned image":t("Left aligned image"),"Centered image":t("Centered image"),"Right aligned image":t("Right aligned image")}}init(){const t=function(t,e){for(const n of t)e[n.title]&&(n.title=e[n.title]);return t}(bm(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const e of t)this._createButton(e)}_createButton(t){const e=this.editor,n="imageStyle:"+t.name;e.ui.componentFactory.add(n,(n=>{const o=e.commands.get("imageStyle"),i=new Dl(n);return i.set({label:t.title,icon:t.icon,tooltip:!0,isToggleable:!0}),i.bind("isEnabled").to(o,"isEnabled"),i.bind("isOn").to(o,"value",(e=>e===t.name)),this.listenTo(i,"execute",(()=>{e.execute("imageStyle",{value:t.name}),e.editing.view.focus()})),i}))}}class vm extends Zl{static get requires(){return[Cf]}static get pluginName(){return"WidgetToolbarRepository"}init(){const t=this.editor;if(t.plugins.has("BalloonToolbar")){const e=t.plugins.get("BalloonToolbar");this.listenTo(e,"show",(e=>{(function(t){const e=t.getSelectedElement();return!(!e||!Ku(e))})(t.editing.view.document.selection)&&e.stop()}),{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),this.on("change:isEnabled",(()=>{this._updateToolbarsVisibility()})),this.listenTo(t.ui,"update",(()=>{this._updateToolbarsVisibility()})),this.listenTo(t.ui.focusTracker,"change:isFocused",(()=>{this._updateToolbarsVisibility()}),{priority:"low"})}destroy(){super.destroy();for(const t of this._toolbarDefinitions.values())t.view.destroy()}register(t,{ariaLabel:e,items:n,getRelatedElement:o,balloonClassName:i="ck-toolbar-container"}){if(!n.length)return void Object(xe.c)("widget-toolbar-no-items",{toolbarId:t});const r=this.editor,s=r.t,a=new $l(r.locale);if(a.ariaLabel=e||s("Widget toolbar"),this._toolbarDefinitions.has(t))throw new xe.a("widget-toolbar-duplicated",this,{toolbarId:t});a.fillFromConfig(n,r.ui.componentFactory),this._toolbarDefinitions.set(t,{view:a,getRelatedElement:o,balloonClassName:i})}_updateToolbarsVisibility(){let t=0,e=null,n=null;for(const o of this._toolbarDefinitions.values()){const i=o.getRelatedElement(this.editor.editing.view.document.selection);if(this.isEnabled&&i)if(this.editor.ui.focusTracker.isFocused){const r=i.getAncestors().length;r>t&&(t=r,e=i,n=o)}else this._isToolbarVisible(o)&&this._hideToolbar(o);else this._isToolbarInBalloon(o)&&this._hideToolbar(o)}n&&this._showToolbar(n,e)}_hideToolbar(t){this._balloon.remove(t.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(t,e){this._isToolbarVisible(t)?ym(this.editor,e):this._isToolbarInBalloon(t)||(this._balloon.add({view:t.view,position:xm(this.editor,e),balloonClassName:t.balloonClassName}),this.listenTo(this._balloon,"change:visibleView",(()=>{for(const t of this._toolbarDefinitions.values())if(this._isToolbarVisible(t)){const e=t.getRelatedElement(this.editor.editing.view.document.selection);ym(this.editor,e)}})))}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function ym(t,e){const n=t.plugins.get("ContextualBalloon"),o=xm(t,e);n.updatePosition(o)}function xm(t,e){const n=t.editing.view,o=Uu.defaultPositions;return{target:n.domConverter.mapViewToDom(e),positions:[o.northArrowSouth,o.northArrowSouthWest,o.northArrowSouthEast,o.southArrowNorth,o.southArrowNorthWest,o.southArrowNorthEast,eh]}}class Am extends rc{constructor(t){super(t),this._childCommands=[]}refresh(){}execute(...t){return this._getFirstEnabledCommand().execute(t)}registerChildCommand(t){this._childCommands.push(t),t.on("change:isEnabled",(()=>this._checkEnabled())),this._checkEnabled()}_checkEnabled(){this.isEnabled=!!this._getFirstEnabledCommand()}_getFirstEnabledCommand(){return this._childCommands.find((t=>t.isEnabled))}}class Cm extends Zl{static get pluginName(){return"IndentEditing"}init(){const t=this.editor;t.commands.add("indent",new Am(t)),t.commands.add("outdent",new Am(t))}}var Tm='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm5 6c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM2.75 16.5h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 1 0 0 1.5zM1.632 6.95L5.02 9.358a.4.4 0 0 1-.013.661l-3.39 2.207A.4.4 0 0 1 1 11.892V7.275a.4.4 0 0 1 .632-.326z"/></svg>',Sm='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm5 6c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM2.75 16.5h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 1 0 0 1.5zm1.618-9.55L.98 9.358a.4.4 0 0 0 .013.661l3.39 2.207A.4.4 0 0 0 5 11.892V7.275a.4.4 0 0 0-.632-.326z"/></svg>';class Em extends Zl{static get pluginName(){return"IndentUI"}init(){const t=this.editor,e=t.locale,n=t.t,o="ltr"==e.uiLanguageDirection?Tm:Sm,i="ltr"==e.uiLanguageDirection?Sm:Tm;this._defineButton("indent",n("Increase indent"),o),this._defineButton("outdent",n("Decrease indent"),i)}_defineButton(t,e,n){const o=this.editor;o.ui.componentFactory.add(t,(i=>{const r=o.commands.get(t),s=new Dl(i);return s.set({label:e,icon:n,tooltip:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),this.listenTo(s,"execute",(()=>{o.execute(t),o.editing.view.focus()})),s}))}}class Pm extends rc{constructor(t,e){super(t),this._indentBehavior=e}refresh(){const t=this.editor.model,e=od(t.document.selection.getSelectedBlocks());e&&t.schema.checkAttribute(e,"blockIndent")?this.isEnabled=this._indentBehavior.checkEnabled(e.getAttribute("blockIndent")):this.isEnabled=!1}execute(){const t=this.editor.model,e=function(t){const e=t.document.selection,n=t.schema;return Array.from(e.getSelectedBlocks()).filter((t=>n.checkAttribute(t,"blockIndent")))}(t);t.change((t=>{for(const n of e){const e=n.getAttribute("blockIndent"),o=this._indentBehavior.getNextIndent(e);o?t.setAttribute("blockIndent",o,n):t.removeAttribute("blockIndent",n)}}))}}class Mm{constructor(t){this.isForward="forward"===t.direction,this.offset=t.offset,this.unit=t.unit}checkEnabled(t){const e=parseFloat(t||0);return this.isForward||e>0}getNextIndent(t){const e=parseFloat(t||0);if(t&&!t.endsWith(this.unit))return this.isForward?this.offset+this.unit:void 0;const n=e+(this.isForward?this.offset:-this.offset);return n>0?n+this.unit:void 0}}class Im{constructor(t){this.isForward="forward"===t.direction,this.classes=t.classes}checkEnabled(t){const e=this.classes.indexOf(t);return this.isForward?e<this.classes.length-1:e>=0}getNextIndent(t){const e=this.classes.indexOf(t),n=this.isForward?1:-1;return this.classes[e+n]}}function Nm(t){var e;t.setNormalizer("margin",("margin",t=>({path:"margin",value:eu(t)}))),t.setNormalizer("margin-top",(t=>({path:"margin.top",value:t}))),t.setNormalizer("margin-right",(t=>({path:"margin.right",value:t}))),t.setNormalizer("margin-bottom",(t=>({path:"margin.bottom",value:t}))),t.setNormalizer("margin-left",(t=>({path:"margin.left",value:t}))),t.setReducer("margin",(e="margin",t=>{const{top:n,right:o,bottom:i,left:r}=t,s=[];return[n,o,r,i].every((t=>!!t))?s.push([e,nu(t)]):(n&&s.push([e+"-top",n]),o&&s.push([e+"-right",o]),i&&s.push([e+"-bottom",i]),r&&s.push([e+"-left",r])),s})),t.setStyleRelation("margin",["margin-top","margin-right","margin-bottom","margin-left"])}class Om extends Li{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}n(80);class Rm extends pl{constructor(t,e,n){super(t);const o=t.t;this.focusTracker=new Ua,this.keystrokes=new Da,this.urlInputView=this._createUrlInput(n),this.saveButtonView=this._createButton(o("Save"),vf,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(o("Cancel"),yf,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e),this.children=this._createFormChildren(e.manualDecorators),this._focusables=new Qa,this._focusCycler=new yl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const i=["ck","ck-link-form","ck-responsive-form"];e.manualDecorators.length&&i.push("ck-link-form_layout-vertical","ck-vertical-form"),this.setTemplate({tag:"form",attributes:{class:i,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce(((t,e)=>(t[e.name]=e.isOn,t)),{})}render(){super.render(),_f({view:this}),[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach((t=>{this._focusables.add(t),this.focusTracker.add(t.element)})),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(t="https://"){const e=this.locale.t,n=new bf(this.locale,kf);return n.label=e("Link URL"),n.fieldView.placeholder=t+"example.com",n}_createButton(t,e,n,o){const i=new Dl(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const n of t.manualDecorators){const o=new Fl(this.locale);o.set({name:n.id,label:n.label,withText:!0}),o.bind("isOn").toMany([n,t],"value",((t,e)=>void 0===e&&void 0===t?n.defaultValue:t)),o.on("execute",(()=>{n.set("value",!o.isOn)})),e.add(o)}return e}_createFormChildren(t){const e=this.createCollection();if(e.add(this.urlInputView),t.length){const t=new pl;t.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map((t=>({tag:"li",children:[t],attributes:{class:["ck","ck-list__item"]}}))),attributes:{class:["ck","ck-reset","ck-list"]}}),e.add(t)}return e.add(this.saveButtonView),e.add(this.cancelButtonView),e}}n(82);class Dm extends pl{constructor(t){super(t);const e=t.t;this.focusTracker=new Ua,this.keystrokes=new Da,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e("Unlink"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562l-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z"/></svg>',"unlink"),this.editButtonView=this._createButton(e("Edit link"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7.3 17.37l-.061.088a1.518 1.518 0 0 1-.934.535l-4.178.663-.806-4.153a1.495 1.495 0 0 1 .187-1.058l.056-.086L8.77 2.639c.958-1.351 2.803-1.076 4.296-.03 1.497 1.047 2.387 2.693 1.433 4.055L7.3 17.37zM9.14 4.728l-5.545 8.346 3.277 2.294 5.544-8.346L9.14 4.728zM6.07 16.512l-3.276-2.295.53 2.73 2.746-.435zM9.994 3.506L13.271 5.8c.316-.452-.16-1.333-1.065-1.966-.905-.634-1.895-.78-2.212-.328zM8 18.5L9.375 17H19v1.5H8z"/></svg>',"edit"),this.set("href"),this._focusables=new Qa,this._focusCycler=new yl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions","ck-responsive-form"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render(),[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach((t=>{this._focusables.add(t),this.focusTracker.add(t.element)})),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(t,e,n){const o=new Dl(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.delegate("execute").to(this,n),o}_createPreviewButton(){const t=new Dl(this.locale),e=this.bindTemplate,n=this.t;return t.set({withText:!0,tooltip:n("Open link in new tab")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",(t=>t&&jh(t))),target:"_blank",rel:"noopener noreferrer"}}),t.bind("label").to(this,"href",(t=>t||n("This link has no URL"))),t.bind("isEnabled").to(this,"href",(t=>!!t)),t.template.tag="a",t.template.eventListeners={},t}}class Lm extends Zl{static get requires(){return[Cf]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(Om),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(Cf),this._createToolbarLinkButton(),this._enableUserBalloonInteractions(),t.conversion.for("editingDowncast").markerToHighlight({model:"link-ui",view:{classes:["ck-fake-link-selection"]}}),t.conversion.for("editingDowncast").markerToElement({model:"link-ui",view:{name:"span",classes:["ck-fake-link-selection","ck-fake-link-selection_collapsed"]}})}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new Dm(t.locale),n=t.commands.get("link"),o=t.commands.get("unlink");return e.bind("href").to(n,"value"),e.editButtonView.bind("isEnabled").to(n),e.unlinkButtonView.bind("isEnabled").to(o),this.listenTo(e,"edit",(()=>{this._addFormView()})),this.listenTo(e,"unlink",(()=>{t.execute("unlink"),this._hideUI()})),e.keystrokes.set("Esc",((t,e)=>{this._hideUI(),e()})),e.keystrokes.set("Ctrl+K",((t,e)=>{this._addFormView(),e()})),e}_createFormView(){const t=this.editor,e=t.commands.get("link"),n=t.config.get("link.defaultProtocol"),o=new Rm(t.locale,e,n);return o.urlInputView.fieldView.bind("value").to(e,"value"),o.urlInputView.bind("isReadOnly").to(e,"isEnabled",(t=>!t)),o.saveButtonView.bind("isEnabled").to(e),this.listenTo(o,"submit",(()=>{const{value:e}=o.urlInputView.fieldView.element,i=Fh(e,n);t.execute("link",i,o.getDecoratorSwitchesState()),this._closeFormView()})),this.listenTo(o,"cancel",(()=>{this._closeFormView()})),o.keystrokes.set("Esc",((t,e)=>{this._closeFormView(),e()})),o}_createToolbarLinkButton(){const t=this.editor,e=t.commands.get("link"),n=t.t;t.keystrokes.set("Ctrl+K",((t,n)=>{n(),e.isEnabled&&this._showUI(!0)})),t.ui.componentFactory.add("link",(t=>{const o=new Dl(t);return o.isEnabled=!0,o.label=n("Link"),o.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z"/></svg>',o.keystroke="Ctrl+K",o.tooltip=!0,o.isToggleable=!0,o.bind("isEnabled").to(e,"isEnabled"),o.bind("isOn").to(e,"value",(t=>!!t)),this.listenTo(o,"execute",(()=>this._showUI(!0))),o}))}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,"click",(()=>{this._getSelectedLinkElement()&&this._showUI()})),this.editor.keystrokes.set("Tab",((t,e)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),e())}),{priority:"high"}),this.editor.keystrokes.set("Esc",((t,e)=>{this._isUIVisible&&(this._hideUI(),e())})),Hl({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel)return;const t=this.editor.commands.get("link");this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this._balloon.visibleView===this.formView&&this.formView.urlInputView.fieldView.select(),this.formView.urlInputView.fieldView.element.value=t.value||""}_closeFormView(){const t=this.editor.commands.get("link");t.restoreManualDecoratorStates(),void 0!==t.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this._balloon.remove(this.formView),this.editor.editing.view.focus(),this._hideFakeVisualSelection())}_showUI(t=!1){this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),t&&this._balloon.showStack("main")):(this._showFakeVisualSelection(),this._addActionsView(),t&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel)return;const t=this.editor;this.stopListening(t.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),t.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView),this._hideFakeVisualSelection()}_startUpdatingUI(){const t=this.editor,e=t.editing.view.document;let n=this._getSelectedLinkElement(),o=r();const i=()=>{const t=this._getSelectedLinkElement(),e=r();n&&!t||!n&&e!==o?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),n=t,o=e};function r(){return e.selection.focus.getAncestors().reverse().find((t=>t.is("element")))}this.listenTo(t.ui,"update",i),this.listenTo(this._balloon,"change:visibleView",i)}get _isFormInPanel(){return this._balloon.hasView(this.formView)}get _areActionsInPanel(){return this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){return this._balloon.visibleView==this.formView||this._areActionsVisible}_getBalloonPositionData(){const t=this.editor.editing.view,e=this.editor.model,n=t.document;let o=null;if(e.markers.has("link-ui")){const e=Array.from(this.editor.editing.mapper.markerNameToElements("link-ui")),n=t.createRange(t.createPositionBefore(e[0]),t.createPositionAfter(e[e.length-1]));o=t.domConverter.viewRangeToDom(n)}else{const e=this._getSelectedLinkElement(),i=n.selection.getFirstRange();o=e?t.domConverter.mapViewToDom(e):t.domConverter.viewRangeToDom(i)}return{target:o}}_getSelectedLinkElement(){const t=this.editor.editing.view,e=t.document.selection;if(e.isCollapsed)return zm(e.getFirstPosition());{const n=e.getFirstRange().getTrimmed(),o=zm(n.start),i=zm(n.end);return o&&o==i&&t.createRangeIn(o).getTrimmed().isEqual(n)?o:null}}_showFakeVisualSelection(){const t=this.editor.model;t.change((e=>{const n=t.document.selection.getFirstRange();if(t.markers.has("link-ui"))e.updateMarker("link-ui",{range:n});else if(n.start.isAtEnd){const o=function t(e,n,o){const i=[e.start.path[0]+1,0],r=o.createPositionFromPath(e.start.root,i,"toNext"),s=o.createRange(r,e.end);return s.start.path[0]>e.end.path[0]?o.createRange(n):r.isAtStart&&r.isAtEnd?t(s,n,o):s}(n,t.document.selection.focus,e);e.addMarker("link-ui",{usingOperation:!1,affectsData:!1,range:o})}else e.addMarker("link-ui",{usingOperation:!1,affectsData:!1,range:n})}))}_hideFakeVisualSelection(){const t=this.editor.model;t.markers.has("link-ui")&&t.change((t=>{t.removeMarker("link-ui")}))}}function zm(t){return t.getAncestors().find((t=>{return(e=t).is("attributeElement")&&!!e.getCustomProperty("link");var e}))}function Vm(t,e){let n=t.start;return{text:Array.from(t.getItems()).reduce(((t,o)=>o.is("$text")||o.is("$textProxy")?t+o.data:(n=e.createPositionAfter(o),"")),""),range:e.createRange(n,t.end)}}class jm{constructor(t,e){this.model=t,this.testCallback=e,this.hasMatch=!1,this.set("isEnabled",!0),this.on("change:isEnabled",(()=>{this.isEnabled?this._startListening():(this.stopListening(t.document.selection),this.stopListening(t.document))})),this._startListening()}_startListening(){const t=this.model.document;this.listenTo(t.selection,"change:range",((e,{directChange:n})=>{n&&(t.selection.isCollapsed?this._evaluateTextBeforeSelection("selection"):this.hasMatch&&(this.fire("unmatched"),this.hasMatch=!1))})),this.listenTo(t,"change:data",((t,e)=>{"transparent"!=e.type&&this._evaluateTextBeforeSelection("data",{batch:e})}))}_evaluateTextBeforeSelection(t,e={}){const n=this.model,o=n.document.selection,i=n.createRange(n.createPositionAt(o.focus.parent,0),o.focus),{text:r,range:s}=Vm(i,n),a=this.testCallback(r);if(!a&&this.hasMatch&&this.fire("unmatched"),this.hasMatch=!!a,a){const n=Object.assign(e,{text:r,range:s});"object"==typeof a&&Object.assign(n,a),this.fire("matched:"+t,n)}}}Re(jm,Un);const Bm=new RegExp("(^|\\s)(((?:(?:(?:https?|ftp):)?\\/\\/)(?:\\S+(?::\\S*)?@)?(?:(?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.)+(?:[a-z\\u00a1-\\uffff]{2,}))(?::\\d{2,5})?(?:[/?#]\\S*)?)|((www.|(\\S+@))((?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.))+(?:[a-z\\u00a1-\\uffff]{2,})))$","i");class Fm extends Zl{static get pluginName(){return"AutoLink"}init(){const t=this.editor.model.document.selection;t.on("change:range",(()=>{this.isEnabled=!t.anchor.parent.is("element","codeBlock")})),this._enableTypingHandling()}afterInit(){this._enableEnterHandling(),this._enableShiftEnterHandling()}_enableTypingHandling(){const t=this.editor,e=new jm(t.model,(t=>{if(!function(t){return t.length>4&&" "===t[t.length-1]&&" "!==t[t.length-2]}(t))return;const e=Hm(t.substr(0,t.length-1));return e?{url:e}:void 0})),n=t.plugins.get("Input");e.on("matched:data",((e,o)=>{const{batch:i,range:r,url:s}=o;if(!n.isInput(i))return;const a=r.end.getShiftedBy(-1),l=a.getShiftedBy(-s.length),c=t.model.createRange(l,a);this._applyAutoLink(s,c)})),e.bind("isEnabled").to(this)}_enableEnterHandling(){const t=this.editor,e=t.model,n=t.commands.get("enter");n&&n.on("execute",(()=>{const t=e.document.selection.getFirstPosition();if(!t.parent.previousSibling)return;const n=e.createRangeIn(t.parent.previousSibling);this._checkAndApplyAutoLinkOnRange(n)}))}_enableShiftEnterHandling(){const t=this.editor,e=t.model,n=t.commands.get("shiftEnter");n&&n.on("execute",(()=>{const t=e.document.selection.getFirstPosition(),n=e.createRange(e.createPositionAt(t.parent,0),t.getShiftedBy(-1));this._checkAndApplyAutoLinkOnRange(n)}))}_checkAndApplyAutoLinkOnRange(t){const e=this.editor.model,{text:n,range:o}=Vm(t,e),i=Hm(n);if(i){const t=e.createRange(o.end.getShiftedBy(-i.length),o.end);this._applyAutoLink(i,t)}}_applyAutoLink(t,e){const n=this.editor.model;this.isEnabled&&function(t,e){return e.schema.checkAttributeInSelection(e.createSelection(t),"linkHref")}(e,n)&&n.enqueueChange((n=>{const o=this.editor.config.get("link.defaultProtocol"),i=Fh(t,o);n.setAttribute("linkHref",i,e)}))}}function Hm(t){const e=Bm.exec(t);return e?e[2]:null}class Um extends rc{constructor(t,e){super(t),this.type=e}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document,n=Array.from(e.selection.getSelectedBlocks()).filter((e=>Wm(e,t.schema))),o=!0===this.value;t.change((t=>{if(o){let e=n[n.length-1].nextSibling,o=Number.POSITIVE_INFINITY,i=[];for(;e&&"listItem"==e.name&&0!==e.getAttribute("listIndent");){const t=e.getAttribute("listIndent");t<o&&(o=t);const n=t-o;i.push({element:e,listIndent:n}),e=e.nextSibling}i=i.reverse();for(const e of i)t.setAttribute("listIndent",e.listIndent,e.element)}if(!o){let t=Number.POSITIVE_INFINITY;for(const e of n)e.is("element","listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));t=0===t?1:t,qm(n,!0,t),qm(n,!1,t)}for(const e of n.reverse())o&&"listItem"==e.name?t.rename(e,"paragraph"):o||"listItem"==e.name?o||"listItem"!=e.name||e.getAttribute("listType")==this.type||t.setAttribute("listType",this.type,e):(t.setAttributes({listType:this.type,listIndent:0},e),t.rename(e,"listItem"));this.fire("_executeCleanup",n)}))}_getValue(){const t=od(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is("element","listItem")&&t.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=od(t.getSelectedBlocks());return!!n&&Wm(n,e)}}function qm(t,e,n){const o=e?t[0]:t[t.length-1];if(o.is("element","listItem")){let i=o[e?"previousSibling":"nextSibling"],r=o.getAttribute("listIndent");for(;i&&i.is("element","listItem")&&i.getAttribute("listIndent")>=n;)r>i.getAttribute("listIndent")&&(r=i.getAttribute("listIndent")),i.getAttribute("listIndent")==r&&t[e?"unshift":"push"](i),i=i[e?"previousSibling":"nextSibling"]}}function Wm(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class $m extends rc{constructor(t,e){super(t),this._indentBy="forward"==e?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document;let n=Array.from(e.selection.getSelectedBlocks());t.change((t=>{const e=n[n.length-1];let o=e.nextSibling;for(;o&&"listItem"==o.name&&o.getAttribute("listIndent")>e.getAttribute("listIndent");)n.push(o),o=o.nextSibling;this._indentBy<0&&(n=n.reverse());for(const e of n){const n=e.getAttribute("listIndent")+this._indentBy;n<0?t.rename(e,"paragraph"):t.setAttribute("listIndent",n,e)}this.fire("_executeCleanup",n)}))}_checkEnabled(){const t=od(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("element","listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),n=t.getAttribute("listType");let o=t.previousSibling;for(;o&&o.is("element","listItem")&&o.getAttribute("listIndent")>=e;){if(o.getAttribute("listIndent")==e)return o.getAttribute("listType")==n;o=o.previousSibling}return!1}return!0}}function Ym(t,e,n,o){const i=e.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(o.createPositionBefore(t));const l=Qm(t.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:t.getAttribute("listIndent")}),c=t.previousSibling;if(l&&l.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(l);a=s.breakContainer(s.createPositionAfter(t))}else if(c&&"listItem"==c.name){a=r.toViewPosition(o.createPositionAt(c,"end"));const t=r.findMappedViewAncestor(a),e=function(t){for(const e of t.getChildren())if("ul"==e.name||"ol"==e.name)return e;return null}(t);a=e?s.createPositionBefore(e):s.createPositionAt(t,"end")}else a=r.toViewPosition(o.createPositionBefore(t));if(a=Km(a),s.insert(a,i),c&&"listItem"==c.name){const t=r.toViewElement(c),n=s.createRange(s.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of n)if(t.item.is("element","li")){const o=s.breakContainer(s.createPositionBefore(t.item)),i=t.item.parent,r=s.createPositionAt(e,"end");Gm(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(i),r),n.position=o}}else{const n=i.nextSibling;if(n&&(n.is("element","ul")||n.is("element","ol"))){let o=null;for(const e of n.getChildren()){const n=r.toModelElement(e);if(!(n&&n.getAttribute("listIndent")>t.getAttribute("listIndent")))break;o=e}o&&(s.breakContainer(s.createPositionAfter(o)),s.move(s.createRangeOn(o.parent),s.createPositionAt(e,"end")))}}Gm(s,i,i.nextSibling),Gm(s,i.previousSibling,i)}function Gm(t,e,n){return!e||!n||"ul"!=e.name&&"ol"!=e.name||e.name!=n.name||e.getAttribute("class")!==n.getAttribute("class")?null:t.mergeContainers(t.createPositionAfter(e))}function Km(t){return t.getLastMatchingPosition((t=>t.item.is("uiElement")))}function Qm(t,e){const n=!!e.sameIndent,o=!!e.smallerIndent,i=e.listIndent;let r=t;for(;r&&"listItem"==r.name;){const t=r.getAttribute("listIndent");if(n&&i==t||o&&i>t)return r;r="forward"===e.direction?r.nextSibling:r.previousSibling}return null}function Jm(t,e,n,o){t.ui.componentFactory.add(e,(i=>{const r=t.commands.get(e),s=new Dl(i);return s.set({label:n,icon:o,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.on("execute",(()=>{t.execute(e),t.editing.view.focus()})),s}))}function Zm(t,e){const n=[],o=t.parent,i={ignoreElementEnd:!0,startPosition:t,shallow:!0,direction:e},r=o.getAttribute("listIndent"),s=[...new vr(i)].filter((t=>t.item.is("element"))).map((t=>t.item));for(const t of s){if(!t.is("element","listItem"))break;if(t.getAttribute("listIndent")<r)break;if(!(t.getAttribute("listIndent")>r)){if(t.getAttribute("listType")!==o.getAttribute("listType"))break;if(t.getAttribute("listStyle")!==o.getAttribute("listStyle"))break;"backward"===e?n.unshift(t):n.push(t)}}return n}function Xm(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:zn.call(this)}function tg(t){return(e,n,o)=>{const i=o.consumable;if(!i.test(n.item,"insert")||!i.test(n.item,"attribute:listType")||!i.test(n.item,"attribute:listIndent"))return;i.consume(n.item,"insert"),i.consume(n.item,"attribute:listType"),i.consume(n.item,"attribute:listIndent");const r=n.item;Ym(r,function(t,e){const n=e.mapper,o=e.writer,i="numbered"==t.getAttribute("listType")?"ol":"ul",r=function(t){const e=t.createContainerElement("li");return e.getFillerOffset=Xm,e}(o),s=o.createContainerElement(i,null);return o.insert(o.createPositionAt(s,0),r),n.bindElements(t,r),r}(r,o),o,t)}}function eg(t,e,n){if(!n.consumable.consume(e.item,"attribute:listType"))return;const o=n.mapper.toViewElement(e.item),i=n.writer;i.breakContainer(i.createPositionBefore(o)),i.breakContainer(i.createPositionAfter(o));const r=o.parent,s="numbered"==e.attributeNewValue?"ol":"ul";i.rename(s,r)}function ng(t,e,n){const o=n.mapper.toViewElement(e.item).parent,i=n.writer;Gm(i,o,o.nextSibling),Gm(i,o.previousSibling,o);for(const t of e.item.getChildren())n.consumable.consume(t,"insert")}function og(t,e,n){if("listItem"!=e.item.name){let t=n.mapper.toViewPosition(e.range.start);const o=n.writer,i=[];for(;("ul"==t.parent.name||"ol"==t.parent.name)&&(t=o.breakContainer(t),"li"==t.parent.name);){const e=t,n=o.createPositionAt(t.parent,"end");if(!e.isEqual(n)){const t=o.remove(o.createRange(e,n));i.push(t)}t=o.createPositionAfter(t.parent)}if(i.length>0){for(let e=0;e<i.length;e++){const n=t.nodeBefore;if(t=o.insert(t,i[e]).end,e>0){const e=Gm(o,n,n.nextSibling);e&&e.parent==n&&t.offset--}}Gm(o,t.nodeBefore,t.nodeAfter)}}}function ig(t,e,n){const o=n.mapper.toViewPosition(e.position),i=o.nodeBefore,r=o.nodeAfter;Gm(n.writer,i,r)}function rg(t,e,n){if(n.consumable.consume(e.viewItem,{name:!0})){const t=n.writer,o=t.createElement("listItem"),i=function(t){let e=0,n=t.parent;for(;n;){if(n.is("element","li"))e++;else{const t=n.previousSibling;t&&t.is("element","li")&&e++}n=n.parent}return e}(e.viewItem);t.setAttribute("listIndent",i,o);const r=e.viewItem.parent&&"ol"==e.viewItem.parent.name?"numbered":"bulleted";if(t.setAttribute("listType",r,o),!n.safeInsert(o,e.modelCursor))return;const s=function(t,e,n){const{writer:o,schema:i}=n;let r=o.createPositionAfter(t);for(const s of e)if("ul"==s.name||"ol"==s.name)r=n.convertItem(s,r).modelCursor;else{const e=n.convertItem(s,o.createPositionAt(t,"end")),a=e.modelRange.start.nodeAfter;a&&a.is("element")&&!i.checkChild(t,a.name)&&(t=e.modelCursor.parent.is("element","listItem")?e.modelCursor.parent:dg(e.modelCursor),r=o.createPositionAfter(t))}return r}(o,e.viewItem.getChildren(),n);e.modelRange=t.createRange(e.modelCursor,s),n.updateConversionResult(o,e)}}function sg(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){const t=Array.from(e.viewItem.getChildren());for(const e of t)!e.is("element","li")&&!hg(e)&&e._remove()}}function ag(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){if(0===e.viewItem.childCount)return;const t=[...e.viewItem.getChildren()];let n=!1,o=!0;for(const e of t)n&&!hg(e)&&e._remove(),e.is("$text")?(o&&(e._data=e.data.replace(/^\s+/,"")),e.nextSibling&&!hg(e.nextSibling)||(e._data=e.data.replace(/\s+$/,""))):hg(e)&&(n=!0),o=!1}}function lg(t){return(e,n)=>{if(n.isPhantom)return;const o=n.modelPosition.nodeBefore;if(o&&o.is("element","listItem")){const e=n.mapper.toViewElement(o),i=e.getAncestors().find(hg),r=t.createPositionAt(e,0).getWalker();for(const t of r){if("elementStart"==t.type&&t.item.is("element","li")){n.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==i){n.viewPosition=t.nextPosition;break}}}}}function cg(t,[e,n]){let o,i=e.is("documentFragment")?e.getChild(0):e;if(o=n?this.createSelection(n):this.document.selection,i&&i.is("element","listItem")){const t=o.getFirstPosition();let e=null;if(t.parent.is("element","listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("element","listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;i&&i.is("element","listItem");)i._setAttribute("listIndent",i.getAttribute("listIndent")+t),i=i.nextSibling}}}function dg(t){const e=new vr({startPosition:t});let n;do{n=e.next()}while(!n.value.item.is("element","listItem"));return n.value.item}function ug(t,e,n,o,i,r){const s=Qm(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=i.mapper,l=i.writer,c=s?s.getAttribute("listIndent"):null;let d;if(s)if(c==t){const t=a.toViewElement(s).parent;d=l.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");d=a.toViewPosition(t)}else d=n;d=Km(d);for(const t of[...o.getChildren()])hg(t)&&(d=l.move(l.createRangeOn(t),d).end,Gm(l,t,t.nextSibling),Gm(l,t.previousSibling,t))}function hg(t){return t.is("element","ol")||t.is("element","ul")}class fg extends Zl{static get pluginName(){return"ListEditing"}static get requires(){return[Jf]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data,n=t.editing;var o;t.model.document.registerPostFixer((e=>function(t,e){const n=t.document.differ.getChanges(),o=new Map;let i=!1;for(const o of n)if("insert"==o.type&&"listItem"==o.name)r(o.position);else if("insert"==o.type&&"listItem"!=o.name){if("$text"!=o.name){const n=o.position.nodeAfter;n.hasAttribute("listIndent")&&(e.removeAttribute("listIndent",n),i=!0),n.hasAttribute("listType")&&(e.removeAttribute("listType",n),i=!0),n.hasAttribute("listStyle")&&(e.removeAttribute("listStyle",n),i=!0);for(const e of Array.from(t.createRangeIn(n)).filter((t=>t.item.is("element","listItem"))))r(e.previousPosition)}r(o.position.getShiftedBy(o.length))}else"remove"==o.type&&"listItem"==o.name?r(o.position):("attribute"==o.type&&"listIndent"==o.attributeKey||"attribute"==o.type&&"listType"==o.attributeKey)&&r(o.range.start);for(const t of o.values())s(t),a(t);return i;function r(t){const e=t.nodeBefore;if(e&&e.is("element","listItem")){let t=e;if(o.has(t))return;for(let e=t.previousSibling;e&&e.is("element","listItem");e=t.previousSibling)if(t=e,o.has(t))return;o.set(e,t)}else{const e=t.nodeAfter;e&&e.is("element","listItem")&&o.set(e,e)}}function s(t){let n=0,o=null;for(;t&&t.is("element","listItem");){const r=t.getAttribute("listIndent");if(r>n){let s;null===o?(o=r-n,s=n):(o>r&&(o=r),s=r-o),e.setAttribute("listIndent",s,t),i=!0}else o=null,n=t.getAttribute("listIndent")+1;t=t.nextSibling}}function a(t){let n=[],o=null;for(;t&&t.is("element","listItem");){const r=t.getAttribute("listIndent");if(o&&o.getAttribute("listIndent")>r&&(n=n.slice(0,r+1)),0!=r)if(n[r]){const o=n[r];t.getAttribute("listType")!=o&&(e.setAttribute("listType",o,t),i=!0)}else n[r]=t.getAttribute("listType");o=t,t=t.nextSibling}}}(t.model,e))),n.mapper.registerViewToModelLength("li",mg),e.mapper.registerViewToModelLength("li",mg),n.mapper.on("modelToViewPosition",lg(n.view)),n.mapper.on("viewToModelPosition",(o=t.model,(t,e)=>{const n=e.viewPosition,i=n.parent,r=e.mapper;if("ul"==i.name||"ol"==i.name){if(n.isAtEnd){const t=r.toModelElement(n.nodeBefore),i=r.getModelLength(n.nodeBefore);e.modelPosition=o.createPositionBefore(t).getShiftedBy(i)}else{const t=r.toModelElement(n.nodeAfter);e.modelPosition=o.createPositionBefore(t)}t.stop()}else if("li"==i.name&&n.nodeBefore&&("ul"==n.nodeBefore.name||"ol"==n.nodeBefore.name)){const s=r.toModelElement(i);let a=1,l=n.nodeBefore;for(;l&&hg(l);)a+=r.getModelLength(l),l=l.previousSibling;e.modelPosition=o.createPositionBefore(s).getShiftedBy(a),t.stop()}})),e.mapper.on("modelToViewPosition",lg(n.view)),t.conversion.for("editingDowncast").add((e=>{e.on("insert",og,{priority:"high"}),e.on("insert:listItem",tg(t.model)),e.on("attribute:listType:listItem",eg,{priority:"high"}),e.on("attribute:listType:listItem",ng,{priority:"low"}),e.on("attribute:listIndent:listItem",function(t){return(e,n,o)=>{if(!o.consumable.consume(n.item,"attribute:listIndent"))return;const i=o.mapper.toViewElement(n.item),r=o.writer;r.breakContainer(r.createPositionBefore(i)),r.breakContainer(r.createPositionAfter(i));const s=i.parent,a=s.previousSibling,l=r.createRangeOn(s);r.remove(l),a&&a.nextSibling&&Gm(r,a,a.nextSibling),ug(n.attributeOldValue+1,n.range.start,l.start,i,o,t),Ym(n.item,i,o,t);for(const t of n.item.getChildren())o.consumable.consume(t,"insert")}}(t.model)),e.on("remove:listItem",function(t){return(e,n,o)=>{const i=o.mapper.toViewPosition(n.position).getLastMatchingPosition((t=>!t.item.is("element","li"))).nodeAfter,r=o.writer;r.breakContainer(r.createPositionBefore(i)),r.breakContainer(r.createPositionAfter(i));const s=i.parent,a=s.previousSibling,l=r.createRangeOn(s),c=r.remove(l);a&&a.nextSibling&&Gm(r,a,a.nextSibling),ug(o.mapper.toModelElement(i).getAttribute("listIndent")+1,n.position,l.start,i,o,t);for(const t of r.createRangeIn(c).getItems())o.mapper.unbindViewElement(t);e.stop()}}(t.model)),e.on("remove",ig,{priority:"low"})})),t.conversion.for("dataDowncast").add((e=>{e.on("insert",og,{priority:"high"}),e.on("insert:listItem",tg(t.model))})),t.conversion.for("upcast").add((t=>{t.on("element:ul",sg,{priority:"high"}),t.on("element:ol",sg,{priority:"high"}),t.on("element:li",ag,{priority:"high"}),t.on("element:li",rg)})),t.model.on("insertContent",cg,{priority:"high"}),t.commands.add("numberedList",new Um(t,"numbered")),t.commands.add("bulletedList",new Um(t,"bulleted")),t.commands.add("indentList",new $m(t,"forward")),t.commands.add("outdentList",new $m(t,"backward"));const i=n.view.document;this.listenTo(i,"enter",((t,e)=>{const n=this.editor.model.document,o=n.selection.getLastPosition().parent;n.selection.isCollapsed&&"listItem"==o.name&&o.isEmpty&&(this.editor.execute("outdentList"),e.preventDefault(),t.stop())})),this.listenTo(i,"delete",((t,e)=>{if("backward"!==e.direction)return;const n=this.editor.model.document.selection;if(!n.isCollapsed)return;const o=n.getFirstPosition();if(!o.isAtStart)return;const i=o.parent;"listItem"===i.name&&(i.previousSibling&&"listItem"===i.previousSibling.name||(this.editor.execute("outdentList"),e.preventDefault(),t.stop()))}),{priority:"high"});const r=t=>(e,n)=>{this.editor.commands.get(t).isEnabled&&(this.editor.execute(t),n())};t.keystrokes.set("Tab",r("indentList")),t.keystrokes.set("Shift+Tab",r("outdentList"))}afterInit(){const t=this.editor.commands,e=t.get("indent"),n=t.get("outdent");e&&e.registerChildCommand(t.get("indentList")),n&&n.registerChildCommand(t.get("outdentList"))}}function mg(t){let e=1;for(const n of t.getChildren())if("ul"==n.name||"ol"==n.name)for(const t of n.getChildren())e+=mg(t);return e}var gg='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM3.5 3v5H2V3.7H1v-1h2.5V3zM.343 17.857l2.59-3.257H2.92a.6.6 0 1 0-1.04 0H.302a2 2 0 1 1 3.995 0h-.001c-.048.405-.16.734-.333.988-.175.254-.59.692-1.244 1.312H4.3v1h-4l.043-.043zM7 14.75a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z"/></svg>',pg='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0C1 4.784 1.777 4 2.75 4c.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75C1.784 7.5 1 6.723 1 5.75zm6 9c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0c0-.966.777-1.75 1.75-1.75.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75-.966 0-1.75-.777-1.75-1.75z"/></svg>';class bg extends Zl{init(){const t=this.editor.t;Jm(this.editor,"numberedList",t("Numbered List"),gg),Jm(this.editor,"bulletedList",t("Bulleted List"),pg)}}class wg extends rc{constructor(t,e){super(t),this._defaultType=e}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model;let n=[...e.document.selection.getSelectedBlocks()].filter((t=>t.is("element","listItem"))).map((t=>{const n=e.change((e=>e.createPositionAt(t,0)));return[...Zm(n,"backward"),...Zm(n,"forward")]})).flat();n=[...new Set(n)],n.length&&e.change((e=>{for(const o of n)e.setAttribute("listStyle",t.type||this._defaultType,o)}))}_getValue(){const t=this.editor.model.document.selection.getFirstPosition().parent;return t&&t.is("element","listItem")?t.getAttribute("listStyle"):null}_checkEnabled(){const t=this.editor,e=t.commands.get("numberedList"),n=t.commands.get("bulletedList");return e.isEnabled||n.isEnabled}}class kg extends Zl{static get requires(){return[fg]}static get pluginName(){return"ListStyleEditing"}init(){const t=this.editor,e=t.model;e.schema.extend("listItem",{allowAttributes:["listStyle"]}),t.commands.add("listStyle",new wg(t,"default")),this.listenTo(t.commands.get("indentList"),"_executeCleanup",function(t){return(e,n)=>{let o;const i=n[0],r=i.getAttribute("listIndent"),s=n.filter((t=>t.getAttribute("listIndent")===r));if(i.previousSibling.getAttribute("listIndent")+1===r)o="default";else{const t=Qm(i.previousSibling,{sameIndent:!0,direction:"backward",listIndent:r});o=t.getAttribute("listStyle")}t.model.change((t=>{for(const e of s)t.setAttribute("listStyle",o,e)}))}}(t)),this.listenTo(t.commands.get("outdentList"),"_executeCleanup",function(t){return(e,n)=>{if(!(n=n.reverse().filter((t=>t.is("element","listItem")))).length)return;const o=n[0].getAttribute("listIndent"),i=n[0].getAttribute("listType");let r=n[0].previousSibling;if(r.is("element","listItem"))for(;r.getAttribute("listIndent")!==o;)r=r.previousSibling;else r=null;r||(r=n[n.length-1].nextSibling),r&&r.is("element","listItem")&&r.getAttribute("listType")===i&&t.model.change((t=>{const e=n.filter((t=>t.getAttribute("listIndent")===o));for(const n of e)t.setAttribute("listStyle",r.getAttribute("listStyle"),n)}))}}(t)),this.listenTo(t.commands.get("bulletedList"),"_executeCleanup",_g(t)),this.listenTo(t.commands.get("numberedList"),"_executeCleanup",_g(t)),e.document.registerPostFixer(function(t){return n=>{let o=!1;const i=vg(t.model.document.differ.getChanges()).filter((t=>"todo"!==t.getAttribute("listType")));if(!i.length)return o;let r=i[i.length-1].nextSibling;if((!r||!r.is("element","listItem"))&&(r=i[i.length-1].previousSibling,r)){const t=i[0].getAttribute("listIndent");for(;r.is("element","listItem")&&r.getAttribute("listIndent")!==t&&(r=r.previousSibling,r););}for(const t of i)t.hasAttribute("listStyle")||(e(r,t)?n.setAttribute("listStyle",r.getAttribute("listStyle"),t):n.setAttribute("listStyle","default",t),o=!0);return o};function e(t,e){if(!t)return!1;const n=t.getAttribute("listStyle");return!!n&&"default"!==n&&t.getAttribute("listType")===e.getAttribute("listType")}}(t)),t.conversion.for("upcast").add((t=>{t.on("element:li",((t,e,n)=>{const o=e.viewItem.parent.getStyle("list-style-type")||"default",i=e.modelRange.start.nodeAfter||e.modelRange.end.nodeBefore;n.writer.setAttribute("listStyle",o,i)}),{priority:"low"})})),t.conversion.for("downcast").add((t=>{t.on("attribute:listStyle:listItem",((t,e,n)=>{const o=n.writer,i=e.item,r=Qm(i.previousSibling,{sameIndent:!0,listIndent:i.getAttribute("listIndent"),direction:"backward"}),s=n.mapper.toViewElement(i);var a,l,c,d,u;a=i,(l=r)&&a.getAttribute("listType")===l.getAttribute("listType")&&a.getAttribute("listIndent")===l.getAttribute("listIndent")&&a.getAttribute("listStyle")===l.getAttribute("listStyle")||o.breakContainer(o.createPositionBefore(s)),c=o,d=e.attributeNewValue,u=s.parent,d&&"default"!==d?c.setStyle("list-style-type",d,u):c.removeStyle("list-style-type",u)}),{priority:"low"})})),this._mergeListStyleAttributeWhileMergingLists()}afterInit(){const t=this.editor;t.commands.get("todoList")&&t.model.document.registerPostFixer(function(t){return e=>{const n=vg(t.model.document.differ.getChanges()).filter((t=>"todo"===t.getAttribute("listType")&&t.hasAttribute("listStyle")));if(!n.length)return!1;for(const t of n)e.removeAttribute("listStyle",t);return!0}}(t))}_mergeListStyleAttributeWhileMergingLists(){const t=this.editor.model;let e;this.listenTo(t,"deleteContent",((t,[n])=>{const o=n.getFirstPosition(),i=n.getLastPosition();if(o.parent===i.parent)return;if(!o.parent.is("element","listItem"))return;const r=i.parent.nextSibling;if(!r||!r.is("element","listItem"))return;const s=Qm(o.parent,{sameIndent:!0,listIndent:r.getAttribute("listIndent")});s&&s.getAttribute("listType")===r.getAttribute("listType")&&(e=s)}),{priority:"high"}),this.listenTo(t,"deleteContent",(()=>{e&&(t.change((t=>{const n=Qm(e.nextSibling,{sameIndent:!0,listIndent:e.getAttribute("listIndent"),direction:"forward"}),o=[n,...Zm(t.createPositionAt(n,0),"forward")];for(const n of o)t.setAttribute("listStyle",e.getAttribute("listStyle"),n)})),e=null)}),{priority:"low"})}}function _g(t){return(e,n)=>{n=n.filter((t=>t.is("element","listItem"))),t.model.change((t=>{for(const e of n)t.removeAttribute("listStyle",e)}))}}function vg(t){const e=[];for(const n of t){const t=yg(n);t&&t.is("element","listItem")&&e.push(t)}return e}function yg(t){return"attribute"===t.type?t.range.start.nodeAfter:"insert"===t.type?t.position.nodeAfter:null}n(84);class xg extends pl{constructor(t){super(t);const e=this.bindTemplate;this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isToggleable",!1),this.set("isVisible",!0),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.actionView=this._createActionView(),this.arrowView=this._createArrowView(),this.keystrokes=new Da,this.focusTracker=new Ua,this.setTemplate({tag:"div",attributes:{class:["ck","ck-splitbutton",e.if("isVisible","ck-hidden",(t=>!t)),this.arrowView.bindTemplate.if("isOn","ck-splitbutton_open")]},children:this.children})}render(){super.render(),this.children.add(this.actionView),this.children.add(this.arrowView),this.focusTracker.add(this.actionView.element),this.focusTracker.add(this.arrowView.element),this.keystrokes.listenTo(this.element),this.keystrokes.set("arrowright",((t,e)=>{this.focusTracker.focusedElement===this.actionView.element&&(this.arrowView.focus(),e())})),this.keystrokes.set("arrowleft",((t,e)=>{this.focusTracker.focusedElement===this.arrowView.element&&(this.actionView.focus(),e())}))}focus(){this.actionView.focus()}_createActionView(){const t=new Dl;return t.bind("icon","isEnabled","isOn","isToggleable","keystroke","label","tabindex","tooltip","tooltipPosition","type","withText").to(this),t.extendTemplate({attributes:{class:"ck-splitbutton__action"}}),t.delegate("execute").to(this),t}_createArrowView(){const t=new Dl,e=t.bindTemplate;return t.icon=Ll,t.extendTemplate({attributes:{class:"ck-splitbutton__arrow","aria-haspopup":!0,"aria-expanded":e.to("isOn",(t=>String(t)))}}),t.bind("isEnabled").to(this),t.delegate("execute").to(this,"open"),t}}n(86);class Ag extends Zl{static get pluginName(){return"ListStyleUI"}init(){const t=this.editor,e=t.locale.t;t.ui.componentFactory.add("bulletedList",Cg({editor:t,parentCommandName:"bulletedList",buttonLabel:e("Bulleted List"),buttonIcon:pg,toolbarAriaLabel:e("Bulleted list styles toolbar"),styleDefinitions:[{label:e("Toggle the disc list style"),tooltip:e("Disc"),type:"disc",icon:'<svg viewBox="0 0 44 44" xmlns="http://www.w3.org/2000/svg"><path d="M35 29a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17z" fill-opacity=".163"/><path d="M11 27a3 3 0 1 1 0 6 3 3 0 0 1 0-6zm0-9a3 3 0 1 1 0 6 3 3 0 0 1 0-6zm0-9a3 3 0 1 1 0 6 3 3 0 0 1 0-6z"/></svg>'},{label:e("Toggle the circle list style"),tooltip:e("Circle"),type:"circle",icon:'<svg viewBox="0 0 44 44" xmlns="http://www.w3.org/2000/svg"><path d="M35 29a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17z" fill-opacity=".163"/><path d="M11 27a3 3 0 1 1 0 6 3 3 0 0 1 0-6zm0 1a2 2 0 1 0 0 4 2 2 0 0 0 0-4zm0-10a3 3 0 1 1 0 6 3 3 0 0 1 0-6zm0 1a2 2 0 1 0 0 4 2 2 0 0 0 0-4zm0-10a3 3 0 1 1 0 6 3 3 0 0 1 0-6zm0 1a2 2 0 1 0 0 4 2 2 0 0 0 0-4z"/></svg>'},{label:e("Toggle the square list style"),tooltip:e("Square"),type:"square",icon:'<svg viewBox="0 0 44 44" xmlns="http://www.w3.org/2000/svg"><path d="M35 29a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17z" fill-opacity=".163"/><path d="M14 27v6H8v-6h6zm0-9v6H8v-6h6zm0-9v6H8V9h6z"/></svg>'}]})),t.ui.componentFactory.add("numberedList",Cg({editor:t,parentCommandName:"numberedList",buttonLabel:e("Numbered List"),buttonIcon:gg,toolbarAriaLabel:e("Numbered list styles toolbar"),styleDefinitions:[{label:e("Toggle the decimal list style"),tooltip:e("Decimal"),type:"decimal",icon:'<svg viewBox="0 0 44 44" xmlns="http://www.w3.org/2000/svg"><path d="M35 29a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17z" fill-opacity=".163"/><path d="M10.29 15V8.531H9.286c-.14.393-.4.736-.778 1.03-.378.295-.728.495-1.05.6v1.121a4.257 4.257 0 0 0 1.595-.936V15h1.235zm3.343 0v-1.235h-1.235V15h1.235zM11.3 24v-1.147H8.848c.064-.111.148-.226.252-.343.104-.117.351-.354.74-.712.39-.357.66-.631.81-.821.225-.288.39-.562.494-.824.104-.263.156-.539.156-.829 0-.51-.182-.936-.545-1.279-.363-.342-.863-.514-1.499-.514-.58 0-1.063.148-1.45.444-.387.296-.617.784-.69 1.463l1.23.124c.024-.36.112-.619.264-.774.153-.155.358-.233.616-.233.26 0 .465.074.613.222.148.148.222.36.222.635 0 .25-.085.501-.255.756-.126.185-.468.536-1.024 1.055-.692.641-1.155 1.156-1.389 1.544-.234.389-.375.8-.422 1.233H11.3zm2.333 0v-1.235h-1.235V24h1.235zM9.204 34.11c.615 0 1.129-.2 1.542-.598.413-.398.62-.88.62-1.446 0-.39-.11-.722-.332-.997a1.5 1.5 0 0 0-.886-.532c.619-.337.928-.788.928-1.353 0-.399-.151-.756-.453-1.073-.366-.386-.852-.58-1.459-.58a2.25 2.25 0 0 0-.96.2 1.617 1.617 0 0 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upper–roman list style"),tooltip:e("Upper-roman"),type:"upper-roman",icon:'<svg viewBox="0 0 44 44" xmlns="http://www.w3.org/2000/svg"><path d="M35 29a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17z" fill-opacity=".163"/><path d="M11.916 15V8.558h-1.301V15h1.3zm2.465 0v-1.235h-1.235V15h1.235zM9.665 25v-6.442h-1.3V25h1.3zm2.5 0v-6.442h-1.3V25h1.3zm2.466 0v-1.235h-1.235V25h1.235zm-7.216 9v-6.442h-1.3V34h1.3zm2.5 0v-6.442h-1.3V34h1.3zm2.501 0v-6.442h-1.3V34h1.3zm2.465 0v-1.235h-1.235V34h1.235z"/></svg>'},{label:e("Toggle the lower–latin list style"),tooltip:e("Lower-latin"),type:"lower-latin",icon:'<svg viewBox="0 0 44 44" xmlns="http://www.w3.org/2000/svg"><path d="M35 29a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 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viewBox="0 0 44 44" xmlns="http://www.w3.org/2000/svg"><path d="M35 29a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17zm0-9a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1H18a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h17z" fill-opacity=".163"/><path d="M7.88 15l.532-1.463h2.575L11.549 15h1.415l-2.58-6.442H9.01L6.5 15h1.38zm2.69-2.549H8.811l.87-2.39.887 2.39zM14.88 15v-1.235h-1.234V15h1.234zM9.352 25c.83-.006 1.352-.02 1.569-.044.346-.038.636-.14.872-.305.236-.166.422-.387.558-.664.137-.277.205-.562.205-.855 0-.372-.106-.695-.317-.97-.21-.276-.512-.471-.905-.585a1.51 1.51 0 0 0 .661-.567 1.5 1.5 0 0 0 .244-.83c0-.28-.066-.53-.197-.754a1.654 1.654 0 0 0-.495-.539 1.676 1.676 0 0 0-.672-.266c-.25-.042-.63-.063-1.14-.063H7.158V25h2.193zm.142-3.88H8.46v-1.49h.747c.612 0 .983.007 1.112.022.217.026.38.102.49.226.11.125.165.287.165.486a.68.68 0 0 1-.192.503.86.86 0 0 1-.525.23 11.47 11.47 0 0 1-.944.023h.18zm.17 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o=t.locale,i=t.commands.get(n);return({label:r,type:s,icon:a,tooltip:l})=>{const c=new Dl(o);return c.set({label:r,icon:a,tooltip:l}),e.on("change:value",(()=>{c.isOn=e.value===s})),c.on("execute",(()=>{i.value?e.value!==s?t.execute("listStyle",{type:s}):t.execute("listStyle",{type:e._defaultType}):t.model.change((()=>{t.execute(n),t.execute("listStyle",{type:s})})),t.editing.view.focus()})),c}}({editor:t,parentCommandName:e,listStyleCommand:a});return ql(c,r.map(u)),c.bind("isEnabled").to(s),c.toolbarView.ariaLabel=i,c.class="ck-list-styles-dropdown",d.on("execute",(()=>{t.execute(e),t.editing.view.focus()})),d.set({label:n,icon:o,tooltip:!0,isToggleable:!0}),d.bind("isOn").to(s,"value",(t=>!!t)),c}}function Tg(t,e){return t=>{t.on("attribute:url:media",n)};function n(n,o,i){if(!i.consumable.consume(o.item,n.name))return;const r=o.attributeNewValue,s=i.writer,a=i.mapper.toViewElement(o.item),l=[...a.getChildren()].find((t=>t.getCustomProperty("media-content")));s.remove(l);const c=t.getMediaViewElement(s,r,e);s.insert(s.createPositionAt(a,0),c)}}function Sg(t,e,n,o){const i=t.createContainerElement("figure",{class:"media"});return t.insert(t.createPositionAt(i,0),e.getMediaViewElement(t,n,o)),i}function Eg(t){const e=t.getSelectedElement();return e&&e.is("element","media")?e:null}function Pg(t,e,n){t.change((o=>{const i=o.createElement("media",{url:e});t.insertContent(i,n),o.setSelection(i,"on")}))}class Mg extends rc{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,o=th(e,t),i=Eg(e);let r=o.parent;r.isEmpty&&!t.schema.isLimit(r)&&(r=r.parent),this.value=i?i.getAttribute("url"):null,this.isEnabled=n.checkChild(r,"media")}execute(t){const e=this.editor.model,n=e.document.selection,o=Eg(n);if(o)e.change((e=>{e.setAttribute("url",t,o)}));else{const o=th(n,e);Pg(e,t,o)}}}class Ig{constructor(t,e){const n=e.providers,o=e.extraProviders||[],i=new Set(e.removeProviders),r=n.concat(o).filter((t=>{const e=t.name;return e?!i.has(e):(Object(xe.c)("media-embed-no-provider-name",{provider:t}),!1)}));this.locale=t,this.providerDefinitions=r}hasMedia(t){return!!this._getMedia(t)}getMediaViewElement(t,e,n){return this._getMedia(e).getViewElement(t,n)}_getMedia(t){if(!t)return new Ng(this.locale);t=t.trim();for(const e of this.providerDefinitions){const n=e.html;let o=e.url;Array.isArray(o)||(o=[o]);for(const e of o){const o=this._getUrlMatches(t,e);if(o)return new Ng(this.locale,t,o,n)}}return null}_getUrlMatches(t,e){let n=t.match(e);if(n)return n;let o=t.replace(/^https?:\/\//,"");return n=o.match(e),n||(o=o.replace(/^www\./,""),n=o.match(e),n||null)}}class Ng{constructor(t,e,n,o){this.url=this._getValidUrl(e),this._t=t.t,this._match=n,this._previewRenderer=o}getViewElement(t,e){const n={};let o;if(e.renderForEditingView||e.renderMediaPreview&&this.url&&this._previewRenderer){this.url&&(n["data-oembed-url"]=this.url),e.renderForEditingView&&(n.class="ck-media__wrapper");const i=this._getPreviewHtml(e);o=t.createRawElement("div",n,(function(t){t.innerHTML=i}))}else this.url&&(n.url=this.url),o=t.createEmptyElement("oembed",n);return t.setCustomProperty("media-content",!0,o),o}_getPreviewHtml(t){return this._previewRenderer?this._previewRenderer(this._match):this.url&&t.renderForEditingView?this._getPlaceholderHtml():""}_getPlaceholderHtml(){const t=new Rl,e=new Ol;return t.text=this._t("Open media in new tab"),e.content='<svg viewBox="0 0 64 42" xmlns="http://www.w3.org/2000/svg"><path d="M47.426 17V3.713L63.102 0v19.389h-.001l.001.272c0 1.595-2.032 3.43-4.538 4.098-2.506.668-4.538-.083-4.538-1.678 0-1.594 2.032-3.43 4.538-4.098.914-.244 2.032-.565 2.888-.603V4.516L49.076 7.447v9.556A1.014 1.014 0 0 0 49 17h-1.574zM29.5 17h-8.343a7.073 7.073 0 1 0-4.657 4.06v3.781H3.3a2.803 2.803 0 0 1-2.8-2.804V8.63a2.803 2.803 0 0 1 2.8-2.805h4.082L8.58 2.768A1.994 1.994 0 0 1 10.435 1.5h8.985c.773 0 1.477.448 1.805 1.149l1.488 3.177H26.7c1.546 0 2.8 1.256 2.8 2.805V17zm-11.637 0H17.5a1 1 0 0 0-1 1v.05A4.244 4.244 0 1 1 17.863 17zm29.684 2c.97 0 .953-.048.953.889v20.743c0 .953.016.905-.953.905H19.453c-.97 0-.953.048-.953-.905V19.89c0-.937-.016-.889.97-.889h28.077zm-4.701 19.338V22.183H24.154v16.155h18.692zM20.6 21.375v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616V37.53H20.6zm24.233-16.155v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615V37.53h-1.615zM29.485 25.283a.4.4 0 0 1 .593-.35l9.05 4.977a.4.4 0 0 1 0 .701l-9.05 4.978a.4.4 0 0 1-.593-.35v-9.956z"/></svg>',e.viewBox="0 0 64 42",new Ja({tag:"div",attributes:{class:"ck ck-reset_all ck-media__placeholder"},children:[{tag:"div",attributes:{class:"ck-media__placeholder__icon"},children:[e]},{tag:"a",attributes:{class:"ck-media__placeholder__url",target:"_blank",rel:"noopener noreferrer",href:this.url},children:[{tag:"span",attributes:{class:"ck-media__placeholder__url__text"},children:[this.url]},t]}]}).render().outerHTML}_getValidUrl(t){return t?t.match(/^https?/)?t:"https://"+t:null}}n(88);class Og extends Zl{static get pluginName(){return"MediaEmbedEditing"}constructor(t){super(t),t.config.define("mediaEmbed",{providers:[{name:"dailymotion",url:/^dailymotion\.com\/video\/(\w+)/,html:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; "><iframe src="https://www.dailymotion.com/embed/video/${t[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" width="480" height="270" allowfullscreen allow="autoplay"></iframe></div>`},{name:"spotify",url:[/^open\.spotify\.com\/(artist\/\w+)/,/^open\.spotify\.com\/(album\/\w+)/,/^open\.spotify\.com\/(track\/\w+)/],html:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 126%;"><iframe src="https://open.spotify.com/embed/${t[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allowtransparency="true" allow="encrypted-media"></iframe></div>`},{name:"youtube",url:[/^(?:m\.)?youtube\.com\/watch\?v=([\w-]+)/,/^(?:m\.)?youtube\.com\/v\/([\w-]+)/,/^youtube\.com\/embed\/([\w-]+)/,/^youtu\.be\/([\w-]+)/],html:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;"><iframe src="https://www.youtube.com/embed/${t[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe></div>`},{name:"vimeo",url:[/^vimeo\.com\/(\d+)/,/^vimeo\.com\/[^/]+\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/album\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/channels\/[^/]+\/(\d+)/,/^vimeo\.com\/groups\/[^/]+\/videos\/(\d+)/,/^vimeo\.com\/ondemand\/[^/]+\/(\d+)/,/^player\.vimeo\.com\/video\/(\d+)/],html:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;"><iframe src="https://player.vimeo.com/video/${t[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div>`},{name:"instagram",url:/^instagram\.com\/p\/(\w+)/},{name:"twitter",url:/^twitter\.com/},{name:"googleMaps",url:/^google\.com\/maps/},{name:"flickr",url:/^flickr\.com/},{name:"facebook",url:/^facebook\.com/}]}),this.registry=new Ig(t.locale,t.config.get("mediaEmbed"))}init(){const t=this.editor,e=t.model.schema,n=t.t,o=t.conversion,i=t.config.get("mediaEmbed.previewsInData"),r=this.registry;t.commands.add("mediaEmbed",new Mg(t)),e.register("media",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["url"]}),o.for("dataDowncast").elementToElement({model:"media",view:(t,{writer:e})=>{const n=t.getAttribute("url");return Sg(e,r,n,{renderMediaPreview:n&&i})}}),o.for("dataDowncast").add(Tg(r,{renderMediaPreview:i})),o.for("editingDowncast").elementToElement({model:"media",view:(t,{writer:e})=>{const o=t.getAttribute("url");return function(t,e,n){return e.setCustomProperty("media",!0,t),Qu(t,e,{label:n})}(Sg(e,r,o,{renderForEditingView:!0}),e,n("media widget"))}}),o.for("editingDowncast").add(Tg(r,{renderForEditingView:!0})),o.for("upcast").elementToElement({view:{name:"oembed",attributes:{url:!0}},model:(t,{writer:e})=>{const n=t.getAttribute("url");if(r.hasMedia(n))return e.createElement("media",{url:n})}}).elementToElement({view:{name:"div",attributes:{"data-oembed-url":!0}},model:(t,{writer:e})=>{const n=t.getAttribute("data-oembed-url");if(r.hasMedia(n))return e.createElement("media",{url:n})}})}}const Rg=/^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w.-]+)+[\w\-._~:/?#[\]@!$&'()*+,;=%]+$/;class Dg extends Zl{static get requires(){return[ic,nd]}static get pluginName(){return"AutoMediaEmbed"}constructor(t){super(t),this._timeoutId=null,this._positionToInsert=null}init(){const t=this.editor,e=t.model.document;this.listenTo(t.plugins.get(ic),"inputTransformation",(()=>{const t=e.selection.getFirstRange(),n=ka.fromPosition(t.start);n.stickiness="toPrevious";const o=ka.fromPosition(t.end);o.stickiness="toNext",e.once("change:data",(()=>{this._embedMediaBetweenPositions(n,o),n.detach(),o.detach()}),{priority:"high"})})),t.commands.get("undo").on("execute",(()=>{this._timeoutId&&(ai.window.clearTimeout(this._timeoutId),this._positionToInsert.detach(),this._timeoutId=null,this._positionToInsert=null)}),{priority:"high"})}_embedMediaBetweenPositions(t,e){const n=this.editor,o=n.plugins.get(Og).registry,i=new Br(t,e),r=i.getWalker({ignoreElementEnd:!0});let s="";for(const t of r)t.item.is("$textProxy")&&(s+=t.item.data);s=s.trim(),s.match(Rg)&&o.hasMedia(s)&&n.commands.get("mediaEmbed").isEnabled?(this._positionToInsert=ka.fromPosition(t),this._timeoutId=ai.window.setTimeout((()=>{n.model.change((t=>{let e;this._timeoutId=null,t.remove(i),i.detach(),"$graveyard"!==this._positionToInsert.root.rootName&&(e=this._positionToInsert),Pg(n.model,s,e),this._positionToInsert.detach(),this._positionToInsert=null}))}),100)):i.detach()}}n(90);class Lg extends pl{constructor(t,e){super(e);const n=e.t;this.focusTracker=new Ua,this.keystrokes=new Da,this.set("mediaURLInputValue",""),this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("Save"),vf,"ck-button-save"),this.saveButtonView.type="submit",this.saveButtonView.bind("isEnabled").to(this,"mediaURLInputValue",(t=>!!t)),this.cancelButtonView=this._createButton(n("Cancel"),yf,"ck-button-cancel","cancel"),this._focusables=new Qa,this._focusCycler=new yl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this._validators=t,this.setTemplate({tag:"form",attributes:{class:["ck","ck-media-form","ck-responsive-form"],tabindex:"-1"},children:[this.urlInputView,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),_f({view:this}),[this.urlInputView,this.saveButtonView,this.cancelButtonView].forEach((t=>{this._focusables.add(t),this.focusTracker.add(t.element)})),this.keystrokes.listenTo(this.element);const t=t=>t.stopPropagation();this.keystrokes.set("arrowright",t),this.keystrokes.set("arrowleft",t),this.keystrokes.set("arrowup",t),this.keystrokes.set("arrowdown",t),this.listenTo(this.urlInputView.element,"selectstart",((t,e)=>{e.stopPropagation()}),{priority:"high"})}focus(){this._focusCycler.focusFirst()}get url(){return this.urlInputView.fieldView.element.value.trim()}set url(t){this.urlInputView.fieldView.element.value=t.trim()}isValid(){this.resetFormStatus();for(const t of this._validators){const e=t(this);if(e)return this.urlInputView.errorText=e,!1}return!0}resetFormStatus(){this.urlInputView.errorText=null,this.urlInputView.infoText=this._urlInputViewInfoDefault}_createUrlInput(){const t=this.locale.t,e=new bf(this.locale,kf),n=e.fieldView;return this._urlInputViewInfoDefault=t("Paste the media URL in the input."),this._urlInputViewInfoTip=t("Tip: Paste the URL into the content to embed faster."),e.label=t("Media URL"),e.infoText=this._urlInputViewInfoDefault,n.placeholder="https://example.com",n.on("input",(()=>{e.infoText=n.element.value?this._urlInputViewInfoTip:this._urlInputViewInfoDefault,this.mediaURLInputValue=n.element.value.trim()})),e}_createButton(t,e,n,o){const i=new Dl(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}}class zg extends Zl{static get requires(){return[Og]}static get pluginName(){return"MediaEmbedUI"}init(){const 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o=t.createElement("tableCell",n);return t.insertElement("paragraph",o),t.insert(o,e),o}function Gg(t,e){const n=e.parent.parent,o=parseInt(n.getAttribute("headingColumns")||0),{column:i}=t.getCellLocation(e);return!!o&&i<o}function Kg(t){let e=0,n=0;const o=Array.from(t.getChildren()).filter((t=>"th"===t.name||"td"===t.name));for(;n<o.length&&"th"===o[n].name;){const t=o[n];e+=parseInt(t.getAttribute("colspan")||1),n++}return e}class Qg{constructor(t,e={}){this._table=t,this._startRow=void 0!==e.row?e.row:e.startRow||0,this._endRow=void 0!==e.row?e.row:e.endRow,this._startColumn=void 0!==e.column?e.column:e.startColumn||0,this._endColumn=void 0!==e.column?e.column:e.endColumn,this._includeAllSlots=!!e.includeAllSlots,this._skipRows=new Set,this._row=0,this._column=0,this._cellIndex=0,this._spannedCells=new Map,this._nextCellAtColumn=-1}[Symbol.iterator](){return this}next(){const t=this._table.getChild(this._row);if(!t||this._isOverEndRow())return{done:!0};if(this._isOverEndColumn())return this._advanceToNextRow();let e=null;const n=this._getSpanned();if(n)this._includeAllSlots&&!this._shouldSkipSlot()&&(e=this._formatOutValue(n.cell,n.row,n.column));else{const n=t.getChild(this._cellIndex);if(!n)return this._advanceToNextRow();const o=parseInt(n.getAttribute("colspan")||1),i=parseInt(n.getAttribute("rowspan")||1);(o>1||i>1)&&this._recordSpans(n,i,o),this._shouldSkipSlot()||(e=this._formatOutValue(n)),this._nextCellAtColumn=this._column+o}return this._column++,this._column==this._nextCellAtColumn&&this._cellIndex++,e||this.next()}skipRow(t){this._skipRows.add(t)}_advanceToNextRow(){return this._row++,this._column=0,this._cellIndex=0,this._nextCellAtColumn=-1,this.next()}_isOverEndRow(){return void 0!==this._endRow&&this._row>this._endRow}_isOverEndColumn(){return void 0!==this._endColumn&&this._column>this._endColumn}_formatOutValue(t,e=this._row,n=this._column){return{done:!1,value:new Jg(this,t,e,n)}}_shouldSkipSlot(){const t=this._skipRows.has(this._row),e=this._row<this._startRow,n=this._column<this._startColumn,o=void 0!==this._endColumn&&this._column>this._endColumn;return t||e||n||o}_getSpanned(){const t=this._spannedCells.get(this._row);return t&&t.get(this._column)||null}_recordSpans(t,e,n){const o={cell:t,row:this._row,column:this._column};for(let t=this._row;t<this._row+e;t++)for(let e=this._column;e<this._column+n;e++)t==this._row&&e==this._column||this._markSpannedCell(t,e,o)}_markSpannedCell(t,e,n){this._spannedCells.has(t)||this._spannedCells.set(t,new Map),this._spannedCells.get(t).set(e,n)}}class Jg{constructor(t,e,n,o){this.cell=e,this.row=t._row,this.column=t._column,this.cellAnchorRow=n,this.cellAnchorColumn=o,this._cellIndex=t._cellIndex,this._table=t._table}get isAnchor(){return this.row===this.cellAnchorRow&&this.column===this.cellAnchorColumn}get cellWidth(){return parseInt(this.cell.getAttribute("colspan")||1)}get cellHeight(){return parseInt(this.cell.getAttribute("rowspan")||1)}getPositionBefore(){return this._table.root.document.model.createPositionAt(this._table.getChild(this.row),this._cellIndex)}}function Zg(t={}){return e=>e.on("insert:table",((e,n,o)=>{const i=n.item;if(!o.consumable.consume(i,"insert"))return;o.consumable.consume(i,"attribute:headingRows:table"),o.consumable.consume(i,"attribute:headingColumns:table");const r=t&&t.asWidget,s=o.writer.createContainerElement("figure",{class:"table"}),a=o.writer.createContainerElement("table");let l;var c,d;o.writer.insert(o.writer.createPositionAt(s,0),a),r&&(c=s,(d=o.writer).setCustomProperty("table",!0,c),l=Qu(c,d,{hasSelectionHandle:!0}));const u=new Qg(i),h={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},f=new Map;for(const e of u){const{row:n,cell:r}=e,s=i.getChild(n),l=f.get(n)||op(a,s,n,h,o);f.set(n,l),o.consumable.consume(r,"insert"),np(e,h,o.writer.createPositionAt(l,"end"),o,t)}for(const t of i.getChildren()){const e=t.index;f.has(e)||f.set(e,op(a,t,e,h,o))}const m=o.mapper.toViewPosition(n.range.start);o.mapper.bindElements(i,r?l:s),o.writer.insert(m,r?l:s)}))}function Xg(t,e){const{writer:n}=e;if(t.parent.is("element","tableCell"))return tp(t)?n.createContainerElement("span",{style:"display:inline-block"}):n.createContainerElement("p")}function tp(t){return 1===t.parent.childCount&&!ap(t)}function ep(t,e,n){const{cell:o}=t,i=ip(t,e),r=n.mapper.toViewElement(o);r&&r.name!==i&&function(t,e,n){const o=n.writer,i=n.mapper.toViewElement(t),r=Xu(o.createEditableElement(e,i.getAttributes()),o);Ju(r,o,((t,e,n)=>n.addClass(lp(e.classes),t)),((t,e,n)=>n.removeClass(lp(e.classes),t))),o.insert(o.createPositionAfter(i),r),o.move(o.createRangeIn(i),o.createPositionAt(r,0)),o.remove(o.createRangeOn(i)),n.mapper.unbindViewElement(i),n.mapper.bindElements(t,r)}(o,i,n)}function np(t,e,n,o,i){const r=i&&i.asWidget,s=ip(t,e),a=r?Xu(o.writer.createEditableElement(s),o.writer):o.writer.createContainerElement(s);r&&Ju(a,o.writer,((t,e,n)=>n.addClass(lp(e.classes),t)),((t,e,n)=>n.removeClass(lp(e.classes),t)));const l=t.cell,c=l.getChild(0),d=1===l.childCount&&"paragraph"===c.name;if(o.writer.insert(n,a),o.mapper.bindElements(l,a),!r&&!ap(c)&&d){const t=l.getChild(0);o.consumable.consume(t,"insert"),o.mapper.bindElements(t,a)}}function op(t,e,n,o,i){i.consumable.consume(e,"insert");const r=e.isEmpty?i.writer.createEmptyElement("tr"):i.writer.createContainerElement("tr");i.mapper.bindElements(e,r);const s=o.headingRows,a=function(t,e,n){return rp(t,e)||function(t,e,n){const o=n.writer.createContainerElement(t),i=n.writer.createPositionAt(e,"tbody"==t?"end":0);return n.writer.insert(i,o),o}(t,e,n)}(function(t,e){return t<e.headingRows?"thead":"tbody"}(n,o),t,i),l=s>0&&n>=s?n-s:n,c=i.writer.createPositionAt(a,l);return i.writer.insert(c,r),r}function ip(t,e){const{row:n,column:o}=t,{headingColumns:i,headingRows:r}=e;return r&&r>n||i&&i>o?"th":"td"}function rp(t,e){for(const n of e.getChildren())if(n.name==t)return n}function sp(t,e,n){const o=rp(t,e);o&&0===o.childCount&&n.writer.remove(n.writer.createRangeOn(o))}function ap(t){return!![...t.getAttributeKeys()].length}function lp(t){return Array.isArray(t)?t:[t]}class cp extends rc{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,o=function(t){const e=t.parent;return e===e.root?e:e.parent}(e.getFirstPosition());this.isEnabled=n.checkChild(o,"table")}execute(t={}){const e=this.editor.model,n=e.document.selection,o=this.editor.plugins.get("TableUtils"),i=th(n,e);e.change((n=>{const r=o.createTable(n,t);e.insertContent(r,i),n.setSelection(n.createPositionAt(r.getNodeByPath([0,0,0]),0))}))}}function dp(t){const e=[];for(const n of pp(t.getRanges())){const t=n.getContainedElement();t&&t.is("element","tableCell")&&e.push(t)}return e}function up(t){const e=[];for(const n of t.getRanges()){const t=n.start.findAncestor("tableCell");t&&e.push(t)}return e}function hp(t){const e=dp(t);return e.length?e:up(t)}function fp(t){return bp(t.map((t=>t.parent.index)))}function mp(t){const e=t[0].findAncestor("table");return bp([...new Qg(e)].filter((e=>t.includes(e.cell))).map((t=>t.column)))}function gp(t,e){if(t.length<2||!function(t){const e=t[0].findAncestor("table");if(!kp(fp(t),parseInt(e.getAttribute("headingRows")||0)))return!1;const n=parseInt(e.getAttribute("headingColumns")||0);return kp(mp(t),n)}(t))return!1;const n=new Set,o=new Set;let i=0;for(const r of t){const{row:t,column:s}=e.getCellLocation(r),a=parseInt(r.getAttribute("rowspan")||1),l=parseInt(r.getAttribute("colspan")||1);n.add(t),o.add(s),a>1&&n.add(t+a-1),l>1&&o.add(s+l-1),i+=a*l}return function(t,e){const n=Array.from(t.values()),o=Array.from(e.values());return(Math.max(...n)-Math.min(...n)+1)*(Math.max(...o)-Math.min(...o)+1)}(n,o)==i}function pp(t){return Array.from(t).sort(wp)}function bp(t){const e=t.sort(((t,e)=>t-e));return{first:e[0],last:e[e.length-1]}}function wp(t,e){const n=t.start,o=e.start;return n.isBefore(o)?-1:1}function kp({first:t,last:e},n){return t<n==e<n}class _p extends rc{constructor(t,e={}){super(t),this.order=e.order||"below"}refresh(){const t=this.editor.model.document.selection.getFirstPosition().findAncestor("table");this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o="above"===this.order,i=hp(e),r=fp(i),s=o?r.first:r.last,a=i[0].findAncestor("table");n.insertRows(a,{at:o?s:s+1,copyStructureFromAbove:!o})}}class vp extends rc{constructor(t,e={}){super(t),this.order=e.order||"right"}refresh(){const t=this.editor.model.document.selection.getFirstPosition().findAncestor("table");this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o="left"===this.order,i=hp(e),r=mp(i),s=o?r.first:r.last,a=i[0].findAncestor("table");n.insertColumns(a,{columns:1,at:o?s:s+1})}}class yp extends rc{constructor(t,e={}){super(t),this.direction=e.direction||"horizontally"}refresh(){const t=hp(this.editor.model.document.selection);this.isEnabled=1===t.length}execute(){const t=hp(this.editor.model.document.selection)[0],e="horizontally"===this.direction,n=this.editor.plugins.get("TableUtils");e?n.splitCellHorizontally(t,2):n.splitCellVertically(t,2)}}function xp(t,e,n){const{startRow:o,startColumn:i,endRow:r,endColumn:s}=e,a=n.createElement("table"),l=r-o+1;for(let t=0;t<l;t++)n.insertElement("tableRow",a,"end");const c=[...new Qg(t,{startRow:o,endRow:r,startColumn:i,endColumn:s,includeAllSlots:!0})];for(const{row:t,column:e,cell:l,isAnchor:d,cellAnchorRow:u,cellAnchorColumn:h}of c){const c=t-o,f=a.getChild(c);if(d){const o=n.cloneElement(l);n.append(o,f),Ep(o,t,e,r,s,n)}else(u<o||h<i)&&Yg(n,n.createPositionAt(f,"end"))}return function(t,e,n,o,i){const r=parseInt(e.getAttribute("headingRows")||0);r>0&&$g("headingRows",r-n,t,i,0);const s=parseInt(e.getAttribute("headingColumns")||0);s>0&&$g("headingColumns",s-o,t,i,0)}(a,t,o,i,n),a}function Ap(t,e,n=0){const o=[],i=new Qg(t,{startRow:n,endRow:e-1});for(const t of i){const{row:n,cellHeight:i}=t,r=n+i-1;n<e&&e<=r&&o.push(t)}return o}function Cp(t,e,n){const o=t.parent,i=o.parent,r=o.index,s=e-r,a={},l=parseInt(t.getAttribute("rowspan"))-s;l>1&&(a.rowspan=l);const c=parseInt(t.getAttribute("colspan")||1);c>1&&(a.colspan=c);const d=r+s,u=[...new Qg(i,{startRow:r,endRow:d,includeAllSlots:!0})];let h,f=null;for(const e of u){const{row:o,column:i,cell:r}=e;r===t&&void 0===h&&(h=i),void 0!==h&&h===i&&o===d&&(f=Yg(n,e.getPositionBefore(),a))}return $g("rowspan",s,t,n),f}function Tp(t,e){const n=[],o=new Qg(t);for(const t of o){const{column:o,cellWidth:i}=t,r=o+i-1;o<e&&e<=r&&n.push(t)}return n}function Sp(t,e,n,o){const i=n-e,r={},s=parseInt(t.getAttribute("colspan"))-i;s>1&&(r.colspan=s);const a=parseInt(t.getAttribute("rowspan")||1);a>1&&(r.rowspan=a);const l=Yg(o,o.createPositionAfter(t),r);return $g("colspan",i,t,o),l}function Ep(t,e,n,o,i,r){const s=parseInt(t.getAttribute("colspan")||1),a=parseInt(t.getAttribute("rowspan")||1);n+s-1>i&&$g("colspan",i-n+1,t,r,1),e+a-1>o&&$g("rowspan",o-e+1,t,r,1)}function Pp(t,e){const n=e.getColumns(t),o=new Array(n).fill(0);for(const{column:e}of new Qg(t))o[e]++;const i=o.reduce(((t,e,n)=>e?t:[...t,n]),[]);if(i.length>0){const n=i[i.length-1];return e.removeColumns(t,{at:n}),!0}return!1}function Mp(t,e){const n=[];for(let e=0;e<t.childCount;e++)t.getChild(e).isEmpty&&n.push(e);if(n.length>0){const o=n[n.length-1];return e.removeRows(t,{at:o}),!0}return!1}function Ip(t,e){Pp(t,e)||Mp(t,e)}function Np(t,e){const n=Array.from(new Qg(t,{startColumn:e.firstColumn,endColumn:e.lastColumn,row:e.lastRow}));if(n.every((({cellHeight:t})=>1===t)))return e.lastRow;const o=n[0].cellHeight-1;return e.lastRow+o}function Op(t,e){const n=Array.from(new Qg(t,{startRow:e.firstRow,endRow:e.lastRow,column:e.lastColumn}));if(n.every((({cellWidth:t})=>1===t)))return e.lastColumn;const o=n[0].cellWidth-1;return e.lastColumn+o}class Rp extends rc{constructor(t,e){super(t),this.direction=e.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const t=this._getMergeableCell();this.value=t,this.isEnabled=!!t}execute(){const t=this.editor.model,e=up(t.document.selection)[0],n=this.value,o=this.direction;t.change((t=>{const i="right"==o||"down"==o,r=i?e:n,s=i?n:e,a=s.parent;!function(t,e,n){Dp(t)||(Dp(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end"))),n.remove(t)}(s,r,t);const l=this.isHorizontal?"colspan":"rowspan",c=parseInt(e.getAttribute(l)||1),d=parseInt(n.getAttribute(l)||1);t.setAttribute(l,c+d,r),t.setSelection(t.createRangeIn(r));const u=this.editor.plugins.get("TableUtils");Ip(a.findAncestor("table"),u)}))}_getMergeableCell(){const t=up(this.editor.model.document.selection)[0];if(!t)return;const e=this.editor.plugins.get("TableUtils"),n=this.isHorizontal?function(t,e,n){const o=t.parent.parent,i="right"==e?t.nextSibling:t.previousSibling,r=(o.getAttribute("headingColumns")||0)>0;if(!i)return;const s="right"==e?t:i,a="right"==e?i:t,{column:l}=n.getCellLocation(s),{column:c}=n.getCellLocation(a),d=parseInt(s.getAttribute("colspan")||1),u=Gg(n,s),h=Gg(n,a);return r&&u!=h?void 0:l+d===c?i:void 0}(t,this.direction,e):function(t,e){const n=t.parent,o=n.parent,i=o.getChildIndex(n);if("down"==e&&i===o.childCount-1||"up"==e&&0===i)return;const r=parseInt(t.getAttribute("rowspan")||1),s=o.getAttribute("headingRows")||0;if(s&&("down"==e&&i+r===s||"up"==e&&i===s))return;const a=parseInt(t.getAttribute("rowspan")||1),l="down"==e?i+a:i,c=[...new Qg(o,{endRow:l})],d=c.find((e=>e.cell===t)).column,u=c.find((({row:t,cellHeight:n,column:o})=>o===d&&("down"==e?t===l:l===t+n)));return u&&u.cell}(t,this.direction);if(!n)return;const o=this.isHorizontal?"rowspan":"colspan",i=parseInt(t.getAttribute(o)||1);return parseInt(n.getAttribute(o)||1)===i?n:void 0}}function Dp(t){return 1==t.childCount&&t.getChild(0).is("element","paragraph")&&t.getChild(0).isEmpty}class Lp extends rc{refresh(){const t=hp(this.editor.model.document.selection),e=t[0];if(e){const n=e.findAncestor("table"),o=this.editor.plugins.get("TableUtils").getRows(n)-1,i=fp(t),r=0===i.first&&i.last===o;this.isEnabled=!r}else this.isEnabled=!1}execute(){const t=this.editor.model,e=hp(t.document.selection),n=fp(e),o=e[0],i=o.findAncestor("table"),r=this.editor.plugins.get("TableUtils").getCellLocation(o).column;t.change((t=>{const e=n.last-n.first+1;this.editor.plugins.get("TableUtils").removeRows(i,{at:n.first,rows:e});const o=function(t,e,n){const o=t.getChild(e)||t.getChild(t.childCount-1);let i=o.getChild(0),r=0;for(const t of o.getChildren()){if(r>n)return i;i=t,r+=parseInt(t.getAttribute("colspan")||1)}return i}(i,n.first,r);t.setSelection(t.createPositionAt(o,0))}))}}class zp extends rc{refresh(){const t=hp(this.editor.model.document.selection),e=t[0];if(e){const n=e.findAncestor("table"),o=this.editor.plugins.get("TableUtils").getColumns(n),{first:i,last:r}=mp(t);this.isEnabled=r-i<o-1}else this.isEnabled=!1}execute(){const[t,e]=function(t){const e=hp(t),n=e[0],o=e.pop(),i=[n,o];return n.isBefore(o)?i:i.reverse()}(this.editor.model.document.selection),n=t.parent.parent,o=[...new Qg(n)],i={first:o.find((e=>e.cell===t)).column,last:o.find((t=>t.cell===e)).column},r=function(t,e,n,o){return parseInt(n.getAttribute("colspan")||1)>1?n:e.previousSibling||n.nextSibling?n.nextSibling||e.previousSibling:o.first?t.reverse().find((({column:t})=>t<o.first)).cell:t.reverse().find((({column:t})=>t>o.last)).cell}(o,t,e,i);this.editor.model.change((t=>{const e=i.last-i.first+1;this.editor.plugins.get("TableUtils").removeColumns(n,{at:i.first,columns:e}),t.setSelection(t.createPositionAt(r,0))}))}}class Vp extends rc{refresh(){const t=hp(this.editor.model.document.selection),e=t.length>0;this.isEnabled=e,this.value=e&&t.every((t=>this._isInHeading(t,t.parent.parent)))}execute(t={}){if(t.forceValue===this.value)return;const e=this.editor.model,n=hp(e.document.selection),o=n[0].findAncestor("table"),{first:i,last:r}=fp(n),s=this.value?i:r+1,a=o.getAttribute("headingRows")||0;e.change((t=>{if(s){const e=Ap(o,s,s>a?a:0);for(const{cell:n}of e)Cp(n,s,t)}$g("headingRows",s,o,t,0)}))}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingRows")||0);return!!n&&t.parent.index<n}}class jp extends rc{refresh(){const t=hp(this.editor.model.document.selection),e=this.editor.plugins.get("TableUtils"),n=t.length>0;this.isEnabled=n,this.value=n&&t.every((t=>Gg(e,t)))}execute(t={}){if(t.forceValue===this.value)return;const e=this.editor.model,n=hp(e.document.selection),o=n[0].findAncestor("table"),{first:i,last:r}=mp(n),s=this.value?i:r+1;e.change((t=>{if(s){const e=Tp(o,s);for(const{cell:n,column:o}of e)Sp(n,o,s,t)}$g("headingColumns",s,o,t,0)}))}}class Bp extends Zl{static get pluginName(){return"TableUtils"}init(){this.decorate("insertColumns"),this.decorate("insertRows")}getCellLocation(t){const e=t.parent,n=e.parent,o=n.getChildIndex(e),i=new Qg(n,{row:o});for(const{cell:e,row:n,column:o}of i)if(e===t)return{row:n,column:o}}createTable(t,e){const n=t.createElement("table");return Fp(t,n,0,parseInt(e.rows)||2,parseInt(e.columns)||2),e.headingRows&&$g("headingRows",e.headingRows,n,t,0),e.headingColumns&&$g("headingColumns",e.headingColumns,n,t,0),n}insertRows(t,e={}){const n=this.editor.model,o=e.at||0,i=e.rows||1,r=void 0!==e.copyStructureFromAbove,s=e.copyStructureFromAbove?o-1:o,a=this.getRows(t),l=this.getColumns(t);n.change((e=>{const n=t.getAttribute("headingRows")||0;if(n>o&&$g("headingRows",n+i,t,e,0),!r&&(0===o||o===a))return void Fp(e,t,o,i,l);const c=r?Math.max(o,s):o,d=new Qg(t,{endRow:c}),u=new Array(l).fill(1);for(const{row:t,column:n,cellHeight:a,cellWidth:l,cell:c}of d){const d=t+a-1,h=t<=s&&s<=d;t<o&&o<=d?(e.setAttribute("rowspan",a+i,c),u[n]=-l):r&&h&&(u[n]=l)}for(let n=0;n<i;n++){const n=e.createElement("tableRow");e.insert(n,t,o);for(let t=0;t<u.length;t++){const o=u[t],i=e.createPositionAt(n,"end");o>0&&Yg(e,i,o>1?{colspan:o}:null),t+=Math.abs(o)-1}}}))}insertColumns(t,e={}){const n=this.editor.model,o=e.at||0,i=e.columns||1;n.change((e=>{const n=t.getAttribute("headingColumns");o<n&&e.setAttribute("headingColumns",n+i,t);const r=this.getColumns(t);if(0===o||r===o){for(const n of t.getChildren())Hp(i,e,e.createPositionAt(n,o?"end":0));return}const s=new Qg(t,{column:o,includeAllSlots:!0});for(const t of s){const{row:n,cell:r,cellAnchorColumn:a,cellAnchorRow:l,cellWidth:c,cellHeight:d}=t;if(a<o){e.setAttribute("colspan",c+i,r);const t=l+d-1;for(let e=n;e<=t;e++)s.skipRow(e)}else Hp(i,e,t.getPositionBefore())}}))}removeRows(t,e){const n=this.editor.model,o=e.rows||1,i=e.at,r=i+o-1;n.change((e=>{const{cellsToMove:n,cellsToTrim:o}=function(t,e,n){const o=new Map,i=[];for(const{row:r,column:s,cellHeight:a,cell:l}of new Qg(t,{endRow:n})){const t=r+a-1;if(r>=e&&r<=n&&t>n){const t=a-(n-r+1);o.set(s,{cell:l,rowspan:t})}if(r<e&&t>=e){let o;o=t>=n?n-e+1:t-e+1,i.push({cell:l,rowspan:a-o})}}return{cellsToMove:o,cellsToTrim:i}}(t,i,r);n.size&&function(t,e,n,o){const i=[...new Qg(t,{includeAllSlots:!0,row:e})],r=t.getChild(e);let s;for(const{column:t,cell:e,isAnchor:a}of i)if(n.has(t)){const{cell:e,rowspan:i}=n.get(t),a=s?o.createPositionAfter(s):o.createPositionAt(r,0);o.move(o.createRangeOn(e),a),$g("rowspan",i,e,o),s=e}else a&&(s=e)}(t,r+1,n,e);for(let n=r;n>=i;n--)e.remove(t.getChild(n));for(const{rowspan:t,cell:n}of o)$g("rowspan",t,n,e);!function(t,e,n,o){const i=t.getAttribute("headingRows")||0;e<i&&$g("headingRows",n<i?i-(n-e+1):e,t,o,0)}(t,i,r,e),Pp(t,this)||Mp(t,this)}))}removeColumns(t,e){const n=this.editor.model,o=e.at,i=e.columns||1,r=e.at+i-1;n.change((e=>{!function(t,e,n){const o=t.getAttribute("headingColumns")||0;if(o&&e.first<o){const i=Math.min(o-1,e.last)-e.first+1;n.setAttribute("headingColumns",o-i,t)}}(t,{first:o,last:r},e);for(let n=r;n>=o;n--)for(const{cell:o,column:i,cellWidth:r}of[...new Qg(t)])i<=n&&r>1&&i+r>n?$g("colspan",r-1,o,e):i===n&&e.remove(o);Mp(t,this)||Pp(t,this)}))}splitCellVertically(t,e=2){const n=this.editor.model,o=t.parent.parent,i=parseInt(t.getAttribute("rowspan")||1),r=parseInt(t.getAttribute("colspan")||1);n.change((n=>{if(r>1){const{newCellsSpan:o,updatedSpan:s}=Up(r,e);$g("colspan",s,t,n);const a={};o>1&&(a.colspan=o),i>1&&(a.rowspan=i),Hp(r>e?e-1:r-1,n,n.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new Qg(o)],{column:l}=a.find((({cell:e})=>e===t)),c=a.filter((({cell:e,cellWidth:n,column:o})=>e!==t&&o===l||o<l&&o+n>l));for(const{cell:t,cellWidth:e}of c)n.setAttribute("colspan",e+s,t);const d={};i>1&&(d.rowspan=i),Hp(s,n,n.createPositionAfter(t),d);const u=o.getAttribute("headingColumns")||0;u>l&&$g("headingColumns",u+s,o,n)}}))}splitCellHorizontally(t,e=2){const n=this.editor.model,o=t.parent,i=o.parent,r=i.getChildIndex(o),s=parseInt(t.getAttribute("rowspan")||1),a=parseInt(t.getAttribute("colspan")||1);n.change((n=>{if(s>1){const o=[...new Qg(i,{startRow:r,endRow:r+s-1,includeAllSlots:!0})],{newCellsSpan:l,updatedSpan:c}=Up(s,e);$g("rowspan",c,t,n);const{column:d}=o.find((({cell:e})=>e===t)),u={};l>1&&(u.rowspan=l),a>1&&(u.colspan=a);for(const t of o){const{column:e,row:o}=t,i=e===d,s=(o+r+c)%l==0;o>=r+c&&i&&s&&Hp(1,n,t.getPositionBefore(),u)}}if(s<e){const o=e-s,l=[...new Qg(i,{startRow:0,endRow:r})];for(const{cell:e,cellHeight:i,row:s}of l)if(e!==t&&s+i>r){const t=i+o;n.setAttribute("rowspan",t,e)}const c={};a>1&&(c.colspan=a),Fp(n,i,r+1,o,1,c);const d=i.getAttribute("headingRows")||0;d>r&&$g("headingRows",d+o,i,n)}}))}getColumns(t){return[...t.getChild(0).getChildren()].reduce(((t,e)=>t+parseInt(e.getAttribute("colspan")||1)),0)}getRows(t){return t.childCount}}function Fp(t,e,n,o,i,r={}){for(let s=0;s<o;s++){const o=t.createElement("tableRow");t.insert(o,e,n),Hp(i,t,t.createPositionAt(o,"end"),r)}}function Hp(t,e,n,o={}){for(let i=0;i<t;i++)Yg(e,n,o)}function Up(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(t/e);return{newCellsSpan:n,updatedSpan:t-n*e+n}}class qp extends rc{refresh(){const t=dp(this.editor.model.document.selection);this.isEnabled=gp(t,this.editor.plugins.get(Bp))}execute(){const t=this.editor.model,e=this.editor.plugins.get(Bp);t.change((n=>{const o=dp(t.document.selection),i=o.shift(),{mergeWidth:r,mergeHeight:s}=function(t,e,n){let o=0,i=0;for(const t of e){const{row:e,column:r}=n.getCellLocation(t);o=Yp(t,r,o,"colspan"),i=Yp(t,e,i,"rowspan")}const{row:r,column:s}=n.getCellLocation(t);return{mergeWidth:o-s,mergeHeight:i-r}}(i,o,e);$g("colspan",r,i,n),$g("rowspan",s,i,n);for(const t of o)Wp(t,i,n);Ip(i.findAncestor("table"),e),n.setSelection(i,"in")}))}}function Wp(t,e,n){$p(t)||($p(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end"))),n.remove(t)}function $p(t){return 1==t.childCount&&t.getChild(0).is("element","paragraph")&&t.getChild(0).isEmpty}function Yp(t,e,n,o){const i=parseInt(t.getAttribute(o)||1);return Math.max(n,e+i)}class Gp extends rc{refresh(){const t=hp(this.editor.model.document.selection);this.isEnabled=t.length>0}execute(){const t=this.editor.model,e=hp(t.document.selection),n=fp(e),o=e[0].findAncestor("table"),i=[];for(let e=n.first;e<=n.last;e++)for(const n of o.getChild(e).getChildren())i.push(t.createRangeOn(n));t.change((t=>{t.setSelection(i)}))}}class Kp extends rc{refresh(){const t=hp(this.editor.model.document.selection);this.isEnabled=t.length>0}execute(){const t=this.editor.model,e=hp(t.document.selection),n=e[0],o=e.pop(),i=n.findAncestor("table"),r=this.editor.plugins.get("TableUtils"),s=r.getCellLocation(n),a=r.getCellLocation(o),l=Math.min(s.column,a.column),c=Math.max(s.column,a.column),d=[];for(const e of new Qg(i,{startColumn:l,endColumn:c}))d.push(t.createRangeOn(e.cell));t.change((t=>{t.setSelection(d)}))}}function Qp(t,e){let n=!1;const o=function(t){const e=parseInt(t.getAttribute("headingRows")||0),n=t.childCount,o=[];for(const{row:i,cell:r,cellHeight:s}of new Qg(t)){if(s<2)continue;const t=i<e?e:n;if(i+s>t){const e=t-i;o.push({cell:r,rowspan:e})}}return o}(t);if(o.length){n=!0;for(const t of o)$g("rowspan",t.rowspan,t.cell,e,1)}return n}function Jp(t,e){let n=!1;const o=function(t){const e=new Array(t.childCount).fill(0);for(const{row:n}of new Qg(t,{includeAllSlots:!0}))e[n]++;return e}(t),i=[];for(const[t,e]of o.entries())e||i.push(t);if(i.length){n=!0;for(const n of i.reverse())e.remove(t.getChild(n)),o.splice(n,1)}const r=o[0];if(!o.every((t=>t===r))){const i=o.reduce(((t,e)=>e>t?e:t),0);for(const[r,s]of o.entries()){const o=i-s;if(o){for(let n=0;n<o;n++)Yg(e,e.createPositionAt(t.getChild(r),"end"));n=!0}}}return n}function Zp(t){const e="attribute"===t.type,n=t.attributeKey;return e&&("headingRows"===n||"colspan"===n||"rowspan"===n)}function Xp(t,e){let n=!1;for(const o of t.getChildren())n=tb(o,e)||n;return n}function tb(t,e){let n=!1;for(const o of t.getChildren())n=eb(o,e)||n;return n}function eb(t,e){if(0==t.childCount)return e.insertElement("paragraph",t),!0;const n=Array.from(t.getChildren()).filter((t=>t.is("$text")));for(const t of n)e.wrap(e.createRangeOn(t),"paragraph");return!!n.length}function nb(t){return!(!t.position||!t.position.parent.is("element","tableCell"))&&("insert"==t.type&&"$text"==t.name||"remove"==t.type)}function ob(t,e){if(!t.is("element","paragraph"))return!1;const n=e.toViewElement(t);return!!n&&tp(t)!==n.is("element","span")}n(94);class ib extends Zl{static get pluginName(){return"TableEditing"}init(){const t=this.editor,e=t.model,n=e.schema,o=t.conversion;n.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isObject:!0,isBlock:!0}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isLimit:!0,isSelectable:!0}),n.extend("$block",{allowIn:"tableCell"}),n.addChildCheck(((t,e)=>{if("table"==e.name&&Array.from(t.getNames()).includes("table"))return!1})),o.for("upcast").add((t=>{t.on("element:table",((t,e,n)=>{const o=e.viewItem;if(!n.consumable.test(o,{name:!0}))return;const{rows:i,headingRows:r,headingColumns:s}=function(t){const e={headingRows:0,headingColumns:0},n=[],o=[];let i;for(const r of Array.from(t.getChildren()))if("tbody"===r.name||"thead"===r.name||"tfoot"===r.name){"thead"!==r.name||i||(i=r);const t=Array.from(r.getChildren()).filter((t=>t.is("element","tr")));for(const r of t)if("thead"===r.parent.name&&r.parent===i)e.headingRows++,n.push(r);else{o.push(r);const t=Kg(r);t>e.headingColumns&&(e.headingColumns=t)}}return e.rows=[...n,...o],e}(o),a={};s&&(a.headingColumns=s),r&&(a.headingRows=r);const l=n.writer.createElement("table",a);if(n.safeInsert(l,e.modelCursor)){if(n.consumable.consume(o,{name:!0}),i.forEach((t=>n.convertItem(t,n.writer.createPositionAt(l,"end")))),l.isEmpty){const t=n.writer.createElement("tableRow");n.writer.insert(t,n.writer.createPositionAt(l,"end")),Yg(n.writer,n.writer.createPositionAt(t,"end"))}n.updateConversionResult(l,e)}}))})),o.for("editingDowncast").add(Zg({asWidget:!0})),o.for("dataDowncast").add(Zg()),o.for("upcast").elementToElement({model:"tableRow",view:"tr"}),o.for("upcast").add((t=>{t.on("element:tr",((t,e)=>{e.viewItem.isEmpty&&0==e.modelCursor.index&&t.stop()}),{priority:"high"})})),o.for("editingDowncast").add((t=>t.on("insert:tableRow",((t,e,n)=>{const o=e.item;if(!n.consumable.consume(o,"insert"))return;const i=o.parent,r=function(t){for(const e of t.getChildren())if("table"===e.name)return e}(n.mapper.toViewElement(i)),s=i.getChildIndex(o),a=new Qg(i,{row:s}),l={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},c=new Map;for(const t of a){const e=c.get(s)||op(r,o,s,l,n);c.set(s,e),n.consumable.consume(t.cell,"insert"),np(t,l,n.writer.createPositionAt(e,"end"),n,{asWidget:!0})}})))),o.for("editingDowncast").add((t=>t.on("remove:tableRow",((t,e,n)=>{t.stop();const o=n.writer,i=n.mapper,r=i.toViewPosition(e.position).getLastMatchingPosition((t=>!t.item.is("element","tr"))).nodeAfter,s=r.parent.parent,a=o.createRangeOn(r),l=o.remove(a);for(const t of o.createRangeIn(l).getItems())i.unbindViewElement(t);sp("thead",s,n),sp("tbody",s,n)}),{priority:"higher"}))),o.for("upcast").elementToElement({model:"tableCell",view:"td"}),o.for("upcast").elementToElement({model:"tableCell",view:"th"}),o.for("editingDowncast").add((t=>t.on("insert:tableCell",((t,e,n)=>{const o=e.item;if(!n.consumable.consume(o,"insert"))return;const i=o.parent,r=i.parent,s=r.getChildIndex(i),a=new Qg(r,{row:s}),l={headingRows:r.getAttribute("headingRows")||0,headingColumns:r.getAttribute("headingColumns")||0};for(const t of a)if(t.cell===o){const e=n.mapper.toViewElement(i);return void np(t,l,n.writer.createPositionAt(e,i.getChildIndex(o)),n,{asWidget:!0})}})))),t.conversion.for("editingDowncast").elementToElement({model:"paragraph",view:Xg,converterPriority:"high"}),o.attributeToAttribute({model:"colspan",view:"colspan"}),o.attributeToAttribute({model:"rowspan",view:"rowspan"}),o.for("editingDowncast").add((t=>t.on("attribute:headingColumns:table",((t,e,n)=>{const o=e.item;if(!n.consumable.consume(e.item,t.name))return;const i={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0},r=e.attributeOldValue,s=e.attributeNewValue,a=(r>s?r:s)-1;for(const t of new Qg(o,{endColumn:a}))ep(t,i,n)})))),t.commands.add("insertTable",new cp(t)),t.commands.add("insertTableRowAbove",new _p(t,{order:"above"})),t.commands.add("insertTableRowBelow",new _p(t,{order:"below"})),t.commands.add("insertTableColumnLeft",new vp(t,{order:"left"})),t.commands.add("insertTableColumnRight",new vp(t,{order:"right"})),t.commands.add("removeTableRow",new Lp(t)),t.commands.add("removeTableColumn",new zp(t)),t.commands.add("splitTableCellVertically",new yp(t,{direction:"vertically"})),t.commands.add("splitTableCellHorizontally",new yp(t,{direction:"horizontally"})),t.commands.add("mergeTableCells",new qp(t)),t.commands.add("mergeTableCellRight",new Rp(t,{direction:"right"})),t.commands.add("mergeTableCellLeft",new Rp(t,{direction:"left"})),t.commands.add("mergeTableCellDown",new Rp(t,{direction:"down"})),t.commands.add("mergeTableCellUp",new Rp(t,{direction:"up"})),t.commands.add("setTableColumnHeader",new jp(t)),t.commands.add("setTableRowHeader",new Vp(t)),t.commands.add("selectTableRow",new Gp(t)),t.commands.add("selectTableColumn",new Kp(t)),function(t){t.document.registerPostFixer((()=>function(t){const e=t.document.differ,n=new Set;for(const t of e.getChanges()){if("attribute"!=t.type)continue;const e=t.range.start.nodeAfter;e&&e.is("element","table")&&"headingRows"==t.attributeKey&&n.add(e)}if(n.size){for(const t of n.values())e.refreshItem(t);return!0}return!1}(t)))}(e),function(t){t.document.registerPostFixer((e=>function(t,e){const n=e.document.differ.getChanges();let o=!1;const i=new Set;for(const e of n){let n;"table"==e.name&&"insert"==e.type&&(n=e.position.nodeAfter),"tableRow"!=e.name&&"tableCell"!=e.name||(n=e.position.findAncestor("table")),Zp(e)&&(n=e.range.start.findAncestor("table")),n&&!i.has(n)&&(o=Qp(n,t)||o,o=Jp(n,t)||o,i.add(n))}return o}(e,t)))}(e),function(t,e){t.document.registerPostFixer((()=>function(t,e){const n=new Set;for(const e of t.getChanges()){const t="attribute"==e.type?e.range.start.parent:e.position.parent;t.is("element","tableCell")&&n.add(t)}for(const o of n.values())for(const n of[...o.getChildren()].filter((t=>ob(t,e))))t.refreshItem(n);return!1}(t.document.differ,e)))}(e,t.editing.mapper),function(t){t.document.registerPostFixer((e=>function(t,e){const n=e.document.differ.getChanges();let o=!1;for(const e of n)"insert"==e.type&&"table"==e.name&&(o=Xp(e.position.nodeAfter,t)||o),"insert"==e.type&&"tableRow"==e.name&&(o=tb(e.position.nodeAfter,t)||o),"insert"==e.type&&"tableCell"==e.name&&(o=eb(e.position.nodeAfter,t)||o),nb(e)&&(o=eb(e.position.parent,t)||o);return o}(e,t)))}(e)}static get requires(){return[Bp]}}n(96);class rb extends pl{constructor(t){super(t);const e=this.bindTemplate;this.items=this._createGridCollection(),this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",((t,e)=>`${e} × ${t}`)),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},on:{"mouseover@.ck-insert-table-dropdown-grid-box":e.to("boxover")},children:this.items},{tag:"div",attributes:{class:["ck-insert-table-dropdown__label"]},children:[{text:e.to("label")}]}],on:{mousedown:e.to((t=>{t.preventDefault()})),click:e.to((()=>{this.fire("execute")}))}}),this.on("boxover",((t,e)=>{const{row:n,column:o}=e.target.dataset;this.set({rows:parseInt(n),columns:parseInt(o)})})),this.on("change:columns",(()=>{this._highlightGridBoxes()})),this.on("change:rows",(()=>{this._highlightGridBoxes()}))}focus(){}focusLast(){}_highlightGridBoxes(){const t=this.rows,e=this.columns;this.items.map(((n,o)=>{const i=Math.floor(o/10)<t&&o%10<e;n.set("isOn",i)}))}_createGridCollection(){const t=[];for(let e=0;e<100;e++){const n=Math.floor(e/10),o=e%10;t.push(new sb(this.locale,n+1,o+1))}return this.createCollection(t)}}class sb extends pl{constructor(t,e,n){super(t);const o=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",o.if("isOn","ck-on")],"data-row":e,"data-column":n}})}}class ab extends Zl{init(){const t=this.editor,e=this.editor.t,n="ltr"===t.locale.contentLanguageDirection;t.ui.componentFactory.add("insertTable",(n=>{const o=t.commands.get("insertTable"),i=Ul(n);let r;return i.bind("isEnabled").to(o),i.buttonView.set({icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 6v3h4V6H3zm0 4v3h4v-3H3zm0 4v3h4v-3H3zm5 3h4v-3H8v3zm5 0h4v-3h-4v3zm4-4v-3h-4v3h4zm0-4V6h-4v3h4zm1.5 8a1.5 1.5 0 0 1-1.5 1.5H3A1.5 1.5 0 0 1 1.5 17V4c.222-.863 1.068-1.5 2-1.5h13c.932 0 1.778.637 2 1.5v13zM12 13v-3H8v3h4zm0-4V6H8v3h4z"/></svg>',label:e("Insert table"),tooltip:!0}),i.on("change:isOpen",(()=>{r||(r=new rb(n),i.panelView.children.add(r),r.delegate("execute").to(i),i.buttonView.on("open",(()=>{r.rows=0,r.columns=0})),i.on("execute",(()=>{t.execute("insertTable",{rows:r.rows,columns:r.columns}),t.editing.view.focus()})))})),i})),t.ui.componentFactory.add("tableColumn",(t=>{const o=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:e("Header column"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:n?"insertTableColumnLeft":"insertTableColumnRight",label:e("Insert column left")}},{type:"button",model:{commandName:n?"insertTableColumnRight":"insertTableColumnLeft",label:e("Insert column right")}},{type:"button",model:{commandName:"removeTableColumn",label:e("Delete column")}},{type:"button",model:{commandName:"selectTableColumn",label:e("Select column")}}];return this._prepareDropdown(e("Column"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M18 7v1H2V7h16zm0 5v1H2v-1h16z" opacity=".6"/><path d="M14 1v18a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1zm-2 1H8v4h4V2zm0 6H8v4h4V8zm0 6H8v4h4v-4z"/></svg>',o,t)})),t.ui.componentFactory.add("tableRow",(t=>{const n=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:e("Header row"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowAbove",label:e("Insert row above")}},{type:"button",model:{commandName:"insertTableRowBelow",label:e("Insert row below")}},{type:"button",model:{commandName:"removeTableRow",label:e("Delete row")}},{type:"button",model:{commandName:"selectTableRow",label:e("Select row")}}];return this._prepareDropdown(e("Row"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v16h-1V2z" opacity=".6"/><path d="M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z"/></svg>',n,t)})),t.ui.componentFactory.add("mergeTableCells",(t=>{const o=[{type:"button",model:{commandName:"mergeTableCellUp",label:e("Merge cell up")}},{type:"button",model:{commandName:n?"mergeTableCellRight":"mergeTableCellLeft",label:e("Merge cell right")}},{type:"button",model:{commandName:"mergeTableCellDown",label:e("Merge cell down")}},{type:"button",model:{commandName:n?"mergeTableCellLeft":"mergeTableCellRight",label:e("Merge cell left")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:e("Split cell vertically")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:e("Split cell horizontally")}}];return this._prepareMergeSplitButtonDropdown(e("Merge cells"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v7h-1V2zm6 5v1H2V7h16zM8 12v1H2v-1h6z" opacity=".6"/><path d="M7 7h12a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V8a1 1 0 0 1 1-1zm1 2v9h10V9H8z"/></svg>',o,t)}))}_prepareDropdown(t,e,n,o){const i=this.editor,r=Ul(o),s=this._fillDropdownWithListOptions(r,n);return r.buttonView.set({label:t,icon:e,tooltip:!0}),r.bind("isEnabled").toMany(s,"isEnabled",((...t)=>t.some((t=>t)))),this.listenTo(r,"execute",(t=>{i.execute(t.source.commandName),i.editing.view.focus()})),r}_prepareMergeSplitButtonDropdown(t,e,n,o){const i=this.editor,r=Ul(o,xg);return this._fillDropdownWithListOptions(r,n),r.buttonView.set({label:t,icon:e,tooltip:!0,isEnabled:!0}),this.listenTo(r.buttonView,"execute",(()=>{i.execute("mergeTableCells"),i.editing.view.focus()})),this.listenTo(r,"execute",(t=>{i.execute(t.source.commandName),i.editing.view.focus()})),r}_fillDropdownWithListOptions(t,e){const n=this.editor,o=[],i=new De;for(const t of e)lb(t,n,o,i);return Wl(t,i,n.ui.componentFactory),o}}function lb(t,e,n,o){const i=t.model=new Sd(t.model),{commandName:r,bindIsOn:s}=t.model;if("button"===t.type||"switchbutton"===t.type){const t=e.commands.get(r);n.push(t),i.set({commandName:r}),i.bind("isEnabled").to(t),s&&i.bind("isOn").to(t,"value")}i.set({withText:!0}),o.add(t)}n(98);class cb extends Zl{static get pluginName(){return"TableSelection"}static get requires(){return[Bp]}init(){const t=this.editor.model;this.listenTo(t,"deleteContent",((t,e)=>this._handleDeleteContent(t,e)),{priority:"high"}),this._defineSelectionConverter(),this._enablePluginDisabling()}getSelectedTableCells(){const t=dp(this.editor.model.document.selection);return 0==t.length?null:t}getSelectionAsFragment(){const t=this.getSelectedTableCells();return t?this.editor.model.change((e=>{const n=e.createDocumentFragment(),o=this.editor.plugins.get("TableUtils"),{first:i,last:r}=mp(t),{first:s,last:a}=fp(t),l=t[0].findAncestor("table");let c=a,d=r;if(gp(t,o)){const t={firstColumn:i,lastColumn:r,firstRow:s,lastRow:a};c=Np(l,t),d=Op(l,t)}const u=xp(l,{startRow:s,startColumn:i,endRow:c,endColumn:d},e);return e.insert(u,n,0),n})):null}setCellSelection(t,e){const n=this._getCellsToSelect(t,e);this.editor.model.change((t=>{t.setSelection(n.cells.map((e=>t.createRangeOn(e))),{backward:n.backward})}))}getFocusCell(){const t=[...this.editor.model.document.selection.getRanges()].pop().getContainedElement();return t&&t.is("element","tableCell")?t:null}getAnchorCell(){const t=od(this.editor.model.document.selection.getRanges()).getContainedElement();return t&&t.is("element","tableCell")?t:null}_defineSelectionConverter(){const t=this.editor,e=new Set;t.conversion.for("editingDowncast").add((t=>t.on("selection",((t,n,o)=>{const i=o.writer;!function(t){for(const n of e)t.removeClass("ck-editor__editable_selected",n);e.clear()}(i);const r=this.getSelectedTableCells();if(!r)return;for(const t of r){const n=o.mapper.toViewElement(t);i.addClass("ck-editor__editable_selected",n),e.add(n)}const s=o.mapper.toViewElement(r[r.length-1]);i.setSelection(s,0)}),{priority:"lowest"})))}_enablePluginDisabling(){const t=this.editor;this.on("change:isEnabled",(()=>{if(!this.isEnabled){const e=this.getSelectedTableCells();if(!e)return;t.model.change((n=>{const o=n.createPositionAt(e[0],0),i=t.model.schema.getNearestSelectionRange(o);n.setSelection(i)}))}}))}_handleDeleteContent(t,e){const[n,o]=e,i=this.editor.model,r=!o||"backward"==o.direction,s=dp(n);s.length&&(t.stop(),i.change((t=>{const e=s[r?s.length-1:0];i.change((t=>{for(const e of s)i.deleteContent(t.createSelection(e,"in"))}));const o=i.schema.getNearestSelectionRange(t.createPositionAt(e,0));n.is("documentSelection")?t.setSelection(o):n.setTo(o)})))}_getCellsToSelect(t,e){const n=this.editor.plugins.get("TableUtils"),o=n.getCellLocation(t),i=n.getCellLocation(e),r=Math.min(o.row,i.row),s=Math.max(o.row,i.row),a=Math.min(o.column,i.column),l=Math.max(o.column,i.column),c=new Array(s-r+1).fill(null).map((()=>[])),d={startRow:r,endRow:s,startColumn:a,endColumn:l};for(const{row:e,cell:n}of new Qg(t.findAncestor("table"),d))c[e-r].push(n);const u=i.row<o.row,h=i.column<o.column;return u&&c.reverse(),h&&c.forEach((t=>t.reverse())),{cells:c.flat(),backward:u||h}}}class db extends Zl{static get pluginName(){return"TableClipboard"}static get requires(){return[cb,Bp]}init(){const t=this.editor,e=t.editing.view.document;this.listenTo(e,"copy",((t,e)=>this._onCopyCut(t,e))),this.listenTo(e,"cut",((t,e)=>this._onCopyCut(t,e))),this.listenTo(t.model,"insertContent",((t,e)=>this._onInsertContent(t,...e)),{priority:"high"}),this.decorate("_replaceTableSlotCell")}_onCopyCut(t,e){const n=this.editor.plugins.get(cb);if(!n.getSelectedTableCells())return;if("cut"==t.name&&this.editor.isReadOnly)return;e.preventDefault(),t.stop();const o=this.editor.data,i=this.editor.editing.view.document,r=o.toView(n.getSelectionAsFragment());i.fire("clipboardOutput",{dataTransfer:e.dataTransfer,content:r,method:t.name})}_onInsertContent(t,e,n){if(n&&!n.is("documentSelection"))return;const o=this.editor.model,i=this.editor.plugins.get(Bp);let r=function(t,e){if(!t.is("documentFragment")&&!t.is("element"))return null;if(t.is("element","table"))return t;if(1==t.childCount&&t.getChild(0).is("element","table"))return t.getChild(0);const n=e.createRangeIn(t);for(const t of n.getItems())if(t.is("element","table")){const o=e.createRange(n.start,e.createPositionBefore(t));if(e.hasContent(o,{ignoreWhitespaces:!0}))return null;const i=e.createRange(e.createPositionAfter(t),n.end);return e.hasContent(i,{ignoreWhitespaces:!0})?null:t}return null}(e,o);if(!r)return;const 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c=s[0].findAncestor("table"),d=this._replaceSelectedCellsWithPasted(r,e,c,n,t);if(this.editor.plugins.get("TableSelection").isEnabled){const e=pp(d.map((e=>t.createRangeOn(e))));t.setSelection(e)}else t.setSelection(d[0],0)}))):Ip(r,i)}_replaceSelectedCellsWithPasted(t,e,n,o,i){const{width:r,height:s}=e,a=function(t,e,n){const o=new Array(n).fill(null).map((()=>new Array(e).fill(null)));for(const{column:e,row:n,cell:i}of new Qg(t))o[n][e]=i;return o}(t,r,s),l=[...new Qg(n,{startRow:o.firstRow,endRow:o.lastRow,startColumn:o.firstColumn,endColumn:o.lastColumn,includeAllSlots:!0})],c=[];let d;for(const t of l){const{row:e,column:n}=t;n===o.firstColumn&&(d=t.getPositionBefore());const l=e-o.firstRow,u=n-o.firstColumn,h=a[l%s][u%r],f=h?i.cloneElement(h):null,m=this._replaceTableSlotCell(t,f,d,i);m&&(Ep(m,e,n,o.lastRow,o.lastColumn,i),c.push(m),d=i.createPositionAfter(m))}const u=parseInt(n.getAttribute("headingRows")||0),h=parseInt(n.getAttribute("headingColumns")||0),f=o.firstRow<u&&u<=o.lastRow,m=o.firstColumn<h&&h<=o.lastColumn;if(f){const t=ub(n,u,{first:o.firstColumn,last:o.lastColumn},i,o.firstRow);c.push(...t)}if(m){const t=hb(n,h,{first:o.firstRow,last:o.lastRow},i);c.push(...t)}return c}_replaceTableSlotCell(t,e,n,o){const{cell:i,isAnchor:r}=t;return r&&o.remove(i),e?(o.insert(e,n),e):null}}function ub(t,e,n,o,i=0){if(!(e<1))return Ap(t,e,i).filter((({column:t,cellWidth:e})=>fb(t,e,n))).map((({cell:t})=>Cp(t,e,o)))}function hb(t,e,n,o){if(!(e<1))return Tp(t,e).filter((({row:t,cellHeight:e})=>fb(t,e,n))).map((({cell:t,column:n})=>Sp(t,n,e,o)))}function fb(t,e,n){const o=t+e-1,{first:i,last:r}=n;return t>=i&&t<=r||t<i&&o>=i}class mb extends Zl{static get pluginName(){return"TableKeyboard"}static get requires(){return[cb]}init(){const t=this.editor.editing.view.document;this.editor.keystrokes.set("Tab",((...t)=>this._handleTabOnSelectedTable(...t)),{priority:"low"}),this.editor.keystrokes.set("Tab",this._getTabHandler(!0),{priority:"low"}),this.editor.keystrokes.set("Shift+Tab",this._getTabHandler(!1),{priority:"low"}),this.listenTo(t,"keydown",((...t)=>this._onKeydown(...t)),{priority:ye.get("high")-10})}_handleTabOnSelectedTable(t,e){const n=this.editor,o=n.model.document.selection.getSelectedElement();o&&o.is("element","table")&&(e(),n.model.change((t=>{t.setSelection(t.createRangeIn(o.getChild(0).getChild(0)))})))}_getTabHandler(t){const e=this.editor;return(n,o)=>{let i=up(e.model.document.selection)[0];if(i||(i=this.editor.plugins.get("TableSelection").getFocusCell()),!i)return;o();const r=i.parent,s=r.parent,a=s.getChildIndex(r),l=r.getChildIndex(i),c=0===l;if(!t&&c&&0===a)return void e.model.change((t=>{t.setSelection(t.createRangeOn(s))}));const d=l===r.childCount-1,u=a===s.childCount-1;if(t&&u&&d&&(e.execute("insertTableRowBelow"),a===s.childCount-1))return void e.model.change((t=>{t.setSelection(t.createRangeOn(s))}));let h;if(t&&d){const t=s.getChild(a+1);h=t.getChild(0)}else if(!t&&c){const t=s.getChild(a-1);h=t.getChild(t.childCount-1)}else h=r.getChild(l+(t?1:-1));e.model.change((t=>{t.setSelection(t.createRangeIn(h))}))}}_onKeydown(t,e){const n=this.editor,o=e.keyCode;if(!xo(o))return;const i=Ao(o,n.locale.contentLanguageDirection);this._handleArrowKeys(i,e.shiftKey)&&(e.preventDefault(),e.stopPropagation(),t.stop())}_handleArrowKeys(t,e){const n=this.editor.model.document.selection,o=["right","down"].includes(t),i=dp(n);if(i.length){let n;return n=e?this.editor.plugins.get("TableSelection").getFocusCell():o?i[i.length-1]:i[0],this._navigateFromCellInDirection(n,t,e),!0}const r=n.focus.findAncestor("tableCell");return!(!r||e&&!n.isCollapsed&&n.isBackward==o||!this._isSelectionAtCellEdge(n,r,o)||(this._navigateFromCellInDirection(r,t,e),0))}_isSelectionAtCellEdge(t,e,n){const o=this.editor.model,i=this.editor.model.schema,r=n?t.getLastPosition():t.getFirstPosition();if(!i.getLimitElement(r).is("element","tableCell"))return o.createPositionAt(e,n?"end":0).isTouching(r);const s=o.createSelection(r);return o.modifySelection(s,{direction:n?"forward":"backward"}),r.isEqual(s.focus)}_navigateFromCellInDirection(t,e,n=!1){const o=this.editor.model,i=t.findAncestor("table"),r=[...new Qg(i,{includeAllSlots:!0})],{row:s,column:a}=r[r.length-1],l=r.find((({cell:e})=>e==t));let{row:c,column:d}=l;switch(e){case"left":d--;break;case"up":c--;break;case"right":d+=l.cellWidth;break;case"down":c+=l.cellHeight}if(c<0||c>s||d<0&&c<=0||d>a&&c>=s)return void o.change((t=>{t.setSelection(t.createRangeOn(i))}));d<0?(d=n?0:a,c--):d>a&&(d=n?a:0,c++);const u=r.find((t=>t.row==c&&t.column==d)).cell,h=["right","down"].includes(e),f=this.editor.plugins.get("TableSelection");if(n&&f.isEnabled){const e=f.getAnchorCell()||t;f.setCellSelection(e,u)}else{const t=o.createPositionAt(u,h?0:"end");o.change((e=>{e.setSelection(t)}))}}}class gb extends Li{constructor(t){super(t),this.domEventType=["mousemove","mouseup","mouseleave"]}onDomEvent(t){this.fire(t.type,t)}}class pb extends Zl{static get pluginName(){return"TableMouse"}static get requires(){return[cb]}init(){this.editor.editing.view.addObserver(gb),this._enableShiftClickSelection(),this._enableMouseDragSelection()}_enableShiftClickSelection(){const t=this.editor;let e=!1;const n=t.plugins.get(cb);this.listenTo(t.editing.view.document,"mousedown",((o,i)=>{if(!this.isEnabled||!n.isEnabled)return;if(!i.domEvent.shiftKey)return;const r=n.getAnchorCell()||up(t.model.document.selection)[0];if(!r)return;const s=this._getModelTableCellFromDomEvent(i);s&&bb(r,s)&&(e=!0,n.setCellSelection(r,s),i.preventDefault())})),this.listenTo(t.editing.view.document,"mouseup",(()=>{e=!1})),this.listenTo(t.editing.view.document,"selectionChange",(t=>{e&&t.stop()}),{priority:"highest"})}_enableMouseDragSelection(){const t=this.editor;let e,n,o=!1,i=!1;const r=t.plugins.get(cb);this.listenTo(t.editing.view.document,"mousedown",((t,n)=>{this.isEnabled&&r.isEnabled&&(n.domEvent.shiftKey||n.domEvent.ctrlKey||n.domEvent.altKey||(e=this._getModelTableCellFromDomEvent(n)))})),this.listenTo(t.editing.view.document,"mousemove",((t,s)=>{if(!s.domEvent.buttons)return;if(!e)return;const a=this._getModelTableCellFromDomEvent(s);a&&bb(e,a)&&(n=a,o||n==e||(o=!0)),o&&(i=!0,r.setCellSelection(e,n),s.preventDefault())})),this.listenTo(t.editing.view.document,"mouseup",(()=>{o=!1,i=!1,e=null,n=null})),this.listenTo(t.editing.view.document,"selectionChange",(t=>{i&&t.stop()}),{priority:"highest"})}_getModelTableCellFromDomEvent(t){const e=t.target,n=this.editor.editing.view.createPositionAt(e,0);return this.editor.editing.mapper.toModelPosition(n).parent.findAncestor("tableCell",{includeSelf:!0})}}function bb(t,e){return t.parent.parent==e.parent.parent}function wb(t){const e=t.getSelectedElement();return e&&_b(e)?e:null}function kb(t){const e=function(t,e){let n=e.parent;for(;n;){if("table"===n.name)return n;n=n.parent}}(0,t.getFirstPosition());return e&&_b(e.parent)?e.parent:null}function _b(t){return!!t.getCustomProperty("table")&&Ku(t)}n(100);var vb=/[\\^$.*+?()[\]{}|]/g,yb=RegExp(vb.source);const xb={copyright:{from:"(c)",to:"©"},registeredTrademark:{from:"(r)",to:"®"},trademark:{from:"(tm)",to:"™"},oneHalf:{from:"1/2",to:"½"},oneThird:{from:"1/3",to:"⅓"},twoThirds:{from:"2/3",to:"⅔"},oneForth:{from:"1/4",to:"¼"},threeQuarters:{from:"3/4",to:"¾"},lessThanOrEqual:{from:"<=",to:"≤"},greaterThanOrEqual:{from:">=",to:"≥"},notEqual:{from:"!=",to:"≠"},arrowLeft:{from:"<-",to:"←"},arrowRight:{from:"->",to:"→"},horizontalEllipsis:{from:"...",to:"…"},enDash:{from:/(^| )(--)( )$/,to:[null,"–",null]},emDash:{from:/(^| )(---)( 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Pb(t){return new RegExp(`(^|\\s)(${t})([^${t}]*)(${t})$`)}class Mb extends Jl{}Mb.builtinPlugins=[class extends Zl{static get requires(){return[ic,uc,vc,gc,Dc,nd]}static get pluginName(){return"Essentials"}},class extends Zl{static get requires(){return[ld,hd]}static get pluginName(){return"Alignment"}},class extends Zl{static get requires(){return[Td,Ed]}static get pluginName(){return"FontSize"}},class extends Zl{static get requires(){return[Od,Rd]}static get pluginName(){return"FontFamily"}},class extends Zl{static get requires(){return[Ld,jd]}static get pluginName(){return"FontColor"}},class extends Zl{static get requires(){return[su,au]}static get pluginName(){return"FontBackgroundColor"}},fu,class extends Zl{static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats(),this._addCodeBlockAutoformats()}_addListAutoformats(){const t=this.editor.commands;t.get("bulletedList")&&gu(this.editor,this,/^[*-]\s$/,"bulletedList"),t.get("numberedList")&&gu(this.editor,this,/^1[.|)]\s$/,"numberedList")}_addBasicStylesAutoformats(){const t=this.editor.commands;if(t.get("bold")){const t=wu(this.editor,"bold");pu(this.editor,this,/(\*\*)([^*]+)(\*\*)$/g,t),pu(this.editor,this,/(__)([^_]+)(__)$/g,t)}if(t.get("italic")){const t=wu(this.editor,"italic");pu(this.editor,this,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,t),pu(this.editor,this,/(?:^|[^_])(_)([^_]+)(_)$/g,t)}if(t.get("code")){const t=wu(this.editor,"code");pu(this.editor,this,/(`)([^`]+)(`)$/g,t)}if(t.get("strikethrough")){const t=wu(this.editor,"strikethrough");pu(this.editor,this,/(~~)([^~]+)(~~)$/g,t)}}_addHeadingAutoformats(){const t=this.editor.commands.get("heading");t&&t.modelElements.filter((t=>t.match(/^heading[1-6]$/))).forEach((e=>{const n=e[7],o=new RegExp(`^(#{${n}})\\s$`);gu(this.editor,this,o,(()=>{if(!t.isEnabled||t.value===e)return!1;this.editor.execute("heading",{value:e})}))}))}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&gu(this.editor,this,/^>\s$/,"blockQuote")}_addCodeBlockAutoformats(){this.editor.commands.get("codeBlock")&&gu(this.editor,this,/^```$/,"codeBlock")}},class extends Zl{static get requires(){return[_u,vu]}static get pluginName(){return"Bold"}},class extends Zl{static get requires(){return[yu,xu]}static get pluginName(){return"Italic"}},class extends Zl{static get requires(){return[Au,Cu]}static get pluginName(){return"Strikethrough"}},class extends Zl{static get requires(){return[Tu,Su]}static get pluginName(){return"Underline"}},class extends Zl{static get requires(){return[Nu,Ou]}static get pluginName(){return"BlockQuote"}},class extends Zl{static get pluginName(){return"CKFinder"}static get requires(){return[Zh,Ru,fu]}},class extends Zl{static get requires(){return[sf,If,Yf]}static get pluginName(){return"EasyImage"}},class extends Zl{static get requires(){return[tm,em]}static get pluginName(){return"Heading"}},If,class extends Zl{static get requires(){return[im]}static get pluginName(){return"ImageCaption"}},class extends Zl{static get requires(){return[km,_m]}static get pluginName(){return"ImageStyle"}},class extends Zl{static get requires(){return[vm]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor,e=t.t;t.plugins.get(vm).register("image",{ariaLabel:e("Image toolbar"),items:t.config.get("image.toolbar")||[],getRelatedElement:oh})}},Yf,class extends Zl{static get pluginName(){return"Indent"}static get requires(){return[Cm,Em]}},class extends Zl{constructor(t){super(t),t.config.define("indentBlock",{offset:40,unit:"px"})}static get pluginName(){return"IndentBlock"}init(){const 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t=this.editor.conversion,e="rtl"===this.editor.locale.contentLanguageDirection?"margin-right":"margin-left";t.for("upcast").attributeToAttribute({view:{styles:{[e]:/[\s\S]+/}},model:{key:"blockIndent",value:t=>t.getStyle(e)}}),t.for("downcast").attributeToAttribute({model:"blockIndent",view:t=>({key:"style",value:{[e]:t}})})}_setupConversionUsingClasses(t){const e={model:{key:"blockIndent",values:[]},view:{}};for(const n of t)e.model.values.push(n),e.view[n]={key:"class",value:[n]};this.editor.conversion.attributeToAttribute(e)}},class extends Zl{static get requires(){return[$h,Lm,Fm]}static get pluginName(){return"Link"}},class extends Zl{static get requires(){return[fg,bg]}static get pluginName(){return"List"}},class extends Zl{static get requires(){return[kg,Ag]}static get pluginName(){return"ListStyle"}},class extends Zl{static get requires(){return[Og,zg,Dg,ff]}static get pluginName(){return"MediaEmbed"}},Jf,class extends Zl{static get pluginName(){return"PasteFromOffice"}static get requires(){return[ic]}init(){const t=this.editor,e=t.editing.view.document,n=[];n.push(new Wg(e)),n.push(new Fg(e)),t.plugins.get("Clipboard").on("inputTransformation",((t,e)=>{if(e.isTransformedWithPasteFromOffice)return;const o=e.dataTransfer.getData("text/html"),i=n.find((t=>t.isActive(o)));i&&(i.execute(e),e.isTransformedWithPasteFromOffice=!0)}),{priority:"high"})}},class extends Zl{static get requires(){return[ib,ab,cb,pb,mb,db,ff]}static get pluginName(){return"Table"}},class extends Zl{static get requires(){return[vm]}static get pluginName(){return"TableToolbar"}afterInit(){const t=this.editor,e=t.t,n=t.plugins.get(vm),o=t.config.get("table.contentToolbar"),i=t.config.get("table.tableToolbar");o&&n.register("tableContent",{ariaLabel:e("Table toolbar"),items:o,getRelatedElement:kb}),i&&n.register("table",{ariaLabel:e("Table toolbar"),items:i,getRelatedElement:wb})}},class extends Zl{static get pluginName(){return"TextTransformation"}constructor(t){super(t),t.config.define("typing",{transformations:{include:Cb}})}init(){const t=this.editor.model.document.selection;t.on("change:range",(()=>{this.isEnabled=!t.anchor.parent.is("element","codeBlock")})),this._enableTransformationWatchers()}_enableTransformationWatchers(){const t=this.editor,e=t.model,n=t.plugins.get("Input"),o=function(t){const e=t.extra||[],n=t.remove||[],o=t=>!n.includes(t);return function(t){const e=new Set;for(const n of t)if(Ab[n])for(const t of Ab[n])e.add(t);else e.add(n);return Array.from(e)}(t.include.concat(e).filter(o)).filter(o).map((t=>xb[t]||t)).map((t=>({from:Tb(t.from),to:Sb(t.to)})))}(t.config.get("typing.transformations")),i=new jm(t.model,(t=>{for(const e of o)if(e.from.test(t))return{normalizedTransformation:e}}));i.on("matched:data",((t,o)=>{if(!n.isInput(o.batch))return;const{from:i,to:r}=o.normalizedTransformation,s=i.exec(o.text),a=r(s.slice(1)),l=o.range;let c=s.index;e.enqueueChange((t=>{for(let n=1;n<s.length;n++){const o=s[n],i=a[n-1];if(null==i){c+=o.length;continue}const r=l.start.getShiftedBy(c),d=e.createRange(r,r.getShiftedBy(o.length)),u=Eb(r);e.insertContent(t.createText(i,u),d),c+=i.length}}))})),i.bind("isEnabled").to(this)}}],Mb.defaultConfig={toolbar:{items:["heading","|","fontfamily","fontsize","fontColor","fontBackgroundColor","|","bold","italic","underline","strikethrough","|","alignment","|","numberedList","bulletedList","|","indent","outdent","|","link","blockquote","imageUpload","insertTable","mediaEmbed","|","undo","redo"]},image:{styles:["full","alignLeft","alignRight"],toolbar:["imageStyle:alignLeft","imageStyle:full","imageStyle:alignRight","|","imageTextAlternative"]},table:{contentToolbar:["tableColumn","tableRow","mergeTableCells"]},language:"en"}}]).default}));