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0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border);border-radius:var(--ck-border-radius);width:100%;height:100%}.ck .ck-fake-panel div:first-child{margin-left:var(--ck-balloon-fake-panel-offset-horizontal);margin-top:var(--ck-balloon-fake-panel-offset-vertical)}.ck .ck-fake-panel div:nth-child(2){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*2);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*2)}.ck .ck-fake-panel div:nth-child(3){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*3);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*3)}.ck .ck-balloon-panel_arrow_s+.ck-fake-panel,.ck .ck-balloon-panel_arrow_se+.ck-fake-panel,.ck .ck-balloon-panel_arrow_sw+.ck-fake-panel{--ck-balloon-fake-panel-offset-vertical:-6px}"},function(t,e,n){var o=n(1),i=n(28);"string"==typeof(i=i.__esModule?i.default:i)&&(i=[[t.i,i,""]]);var r={injectType:"singletonStyleTag",insert:"head",singleton:!0},s=(o(i,r),i.locals?i.locals:{});t.exports=s},function(t,e){t.exports=".ck.ck-dropdown{display:inline-block;position:relative}.ck.ck-dropdown .ck-dropdown__arrow{pointer-events:none;z-index:var(--ck-z-default)}.ck.ck-dropdown .ck-button.ck-dropdown__button{width:100%}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-on .ck-tooltip{display:none}.ck.ck-dropdown .ck-dropdown__panel{-webkit-backface-visibility:hidden;display:none;z-index:var(--ck-z-modal);position:absolute}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel-visible{display:inline-block}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_ne,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nw{bottom:100%}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_se,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sw{top:100%;bottom:auto}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_ne,.ck.ck-dropdown 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e?"editableElement"==n&&e==this.name||super.is(t,e):"editableElement"==n||super.is(t)}destroy(){this.stopListening()}get document(){return this.getCustomProperty(no)}set _document(t){if(this.getCustomProperty(no))throw new sn.b("view-editableelement-document-already-set: View document is already set.",this);this._setCustomProperty(no,t),this.bind("isReadOnly").to(t),this.bind("isFocused").to(t,"isFocused",e=>e&&t.selection.editableElement==this),this.listenTo(t.selection,"change",()=>{this.isFocused=t.isFocused&&t.selection.editableElement==this})}}_n(oo,Yn);const io=Symbol("rootName");class ro extends oo{constructor(t){super(t),this.rootName="main"}is(t,e=null){const n=t.replace(/^view:/,"");return e?"rootElement"==n&&e==this.name||super.is(t,e):"rootElement"==n||super.is(t)}get rootName(){return this.getCustomProperty(io)}set rootName(t){this._setCustomProperty(io,t)}set _name(t){this.name=t}}class so{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new sn.b("view-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);if(t.direction&&"forward"!=t.direction&&"backward"!=t.direction)throw new sn.b("view-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",t.startPosition,{direction:t.direction});this.boundaries=t.boundaries||null,t.startPosition?this.position=ao._createAt(t.startPosition):this.position=ao._createAt(t.boundaries["backward"==t.direction?"end":"start"]),this.direction=t.direction||"forward",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}[Symbol.iterator](){return this}skip(t){let e,n,o;do{o=this.position,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&t.offset===n.childCount)return{done:!0};if(n===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};let o;if(n instanceof Cn){if(t.isAtEnd)return this.position=ao._createAfter(n),this._next();o=n.data[t.offset]}else o=n.getChild(t.offset);if(o instanceof Rn)return this.shallow?t.offset++:t=new ao(o,0),this.position=t,this._formatReturnValue("elementStart",o,e,t,1);if(o instanceof Cn){if(this.singleCharacters)return t=new ao(o,0),this.position=t,this._next();{let n,i=o.data.length;return o==this._boundaryEndParent?(i=this.boundaries.end.offset,n=new An(o,0,i),t=ao._createAfter(n)):(n=new An(o,0,o.data.length),t.offset++),this.position=t,this._formatReturnValue("text",n,e,t,i)}}if("string"==typeof o){let o;if(this.singleCharacters)o=1;else{o=(n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length)-t.offset}const i=new An(n,t.offset,o);return t.offset+=o,this.position=t,this._formatReturnValue("text",i,e,t,o)}return t=ao._createAfter(n),this.position=t,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",n,e,t)}_previous(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&0===t.offset)return{done:!0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};let o;if(n instanceof Cn){if(t.isAtStart)return this.position=ao._createBefore(n),this._previous();o=n.data[t.offset-1]}else o=n.getChild(t.offset-1);if(o instanceof Rn)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue("elementStart",o,e,t,1)):(t=new ao(o,o.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",o,e,t));if(o instanceof Cn){if(this.singleCharacters)return t=new ao(o,o.data.length),this.position=t,this._previous();{let n,i=o.data.length;if(o==this._boundaryStartParent){const e=this.boundaries.start.offset;n=new An(o,e,o.data.length-e),i=n.data.length,t=ao._createBefore(n)}else n=new An(o,0,o.data.length),t.offset--;return this.position=t,this._formatReturnValue("text",n,e,t,i)}}if("string"==typeof o){let o;if(this.singleCharacters)o=1;else{const e=n===this._boundaryStartParent?this.boundaries.start.offset:0;o=t.offset-e}t.offset-=o;const i=new An(n,t.offset,o);return this.position=t,this._formatReturnValue("text",i,e,t,o)}return t=ao._createBefore(n),this.position=t,this._formatReturnValue("elementStart",n,e,t,1)}_formatReturnValue(t,e,n,o,i){return e instanceof An&&(e.offsetInText+e.data.length==e.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?n=ao._createAfter(e.textNode):(o=ao._createAfter(e.textNode),this.position=o)),0===e.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?n=ao._createBefore(e.textNode):(o=ao._createBefore(e.textNode),this.position=o))),{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:o,length:i}}}}class ao{constructor(t,e){this.parent=t,this.offset=e}get nodeAfter(){return this.parent.is("text")?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is("text")?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const t=this.parent.is("text")?this.parent.data.length:this.parent.childCount;return this.offset===t}get root(){return this.parent.root}get editableElement(){let t=this.parent;for(;!(t instanceof oo);){if(!t.parent)return null;t=t.parent}return t}getShiftedBy(t){const e=ao._createAt(this),n=e.offset+t;return e.offset=n<0?0:n,e}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new so(e);return n.skip(t),n.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}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]}is(t){return"position"==t||"view:position"==t}isEqual(t){return this.parent==t.parent&&this.offset==t.offset}isBefore(t){return"before"==this.compareWith(t)}isAfter(t){return"after"==this.compareWith(t)}compareWith(t){if(this.root!==t.root)return"different";if(this.isEqual(t))return"same";const e=this.parent.is("node")?this.parent.getPath():[],n=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset),n.push(t.offset);const o=vn(e,n);switch(o){case"prefix":return"before";case"extension":return"after";default:return e[o]<n[o]?"before":"after"}}getWalker(t={}){return t.startPosition=this,new so(t)}clone(){return new ao(this.parent,this.offset)}static _createAt(t,e){if(t instanceof ao)return new this(t.parent,t.offset);{const n=t;if("end"==e)e=n.is("text")?n.data.length:n.childCount;else{if("before"==e)return this._createBefore(n);if("after"==e)return this._createAfter(n);if(0!==e&&!e)throw new sn.b("view-createPositionAt-offset-required: View#createPositionAt() requires the offset when the first parameter is a view item.",n)}return new ao(n,e)}}static _createAfter(t){if(t.is("textProxy"))return new ao(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new sn.b("view-position-after-root: You can not make position after root.",t,{root:t});return new ao(t.parent,t.index+1)}static _createBefore(t){if(t.is("textProxy"))return new ao(t.textNode,t.offsetInText);if(!t.parent)throw new sn.b("view-position-before-root: You can not make position before root.",t,{root:t});return new ao(t.parent,t.index)}}class co{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new so({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(lo,{direction:"backward"}),e=this.end.getLastMatchingPosition(lo);return t.parent.is("text")&&t.isAtStart&&(t=ao._createBefore(t.parent)),e.parent.is("text")&&e.isAtEnd&&(e=ao._createAfter(e.parent)),new co(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(lo);if(t.isAfter(this.end)||t.isEqual(this.end))return new co(t,t);let e=this.end.getLastMatchingPosition(lo,{direction:"backward"});const n=t.nodeAfter,o=e.nodeBefore;return n&&n.is("text")&&(t=new ao(n,0)),o&&o.is("text")&&(e=new ao(o,o.data.length)),new co(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 co(this.start,t.start)),this.containsPosition(t.end)&&e.push(new co(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 co(e,n)}return null}getWalker(t={}){return t.boundaries=this,new so(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}clone(){return new co(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new so(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new so(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 ao(t,e),new ao(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(ao._createBefore(t),e)}}function lo(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function ho(t){let e=0;for(const n of t)e++;return e}class uo{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=ho(this.getRanges());if(e!=ho(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(){if(1!==this.rangeCount)return null;const t=this.getFirstRange();let e=t.start.nodeAfter,n=t.end.nodeBefore;return t.start.parent.is("text")&&t.start.isAtEnd&&t.start.parent.nextSibling&&(e=t.start.parent.nextSibling),t.end.parent.is("text")&&t.end.isAtStart&&t.end.parent.previousSibling&&(n=t.end.parent.previousSibling),e instanceof Rn&&e==n?e:null}setTo(t,e,n){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof uo||t instanceof fo)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof co)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof ao)this._setRanges([new co(t)]),this._setFakeOptions(e);else if(t instanceof xn){const o=!!n&&!!n.backward;let i;if(void 0===e)throw new sn.b("view-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",this);i="in"==e?co._createIn(t):"on"==e?co._createOn(t):new co(ao._createAt(t,e)),this._setRanges([i],o),this._setFakeOptions(n)}else{if(!Tn(t))throw new sn.b("view-selection-setTo-not-selectable: Cannot set selection to given place.",this);this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new sn.b("view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",this);const n=ao._createAt(t,e);if("same"==n.compareWith(this.focus))return;const o=this.anchor;this._ranges.pop(),"before"==n.compareWith(o)?this._addRange(new co(n,o),!0):this._addRange(new co(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 co))throw new sn.b("view-selection-add-range-not-range: Selection range set to an object that is not an instance of view.Range",this);this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new sn.b("view-selection-range-intersects: Trying to add a range that intersects with another range from selection.",this,{addedRange:t,intersectingRange:e});this._ranges.push(new co(t.start,t.end))}}_n(uo,fn);class fo{constructor(t=null,e,n){this._selection=new uo,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)}}_n(fo,fn);class go{constructor(t={}){this._items=[],this._itemMap=new Map,this._idProperty=t.idProperty||"id",this._bindToExternalToInternalMap=new WeakMap,this._bindToInternalToExternalMap=new WeakMap,this._skippedIndexesFromExternal=[]}get length(){return this._items.length}get first(){return this._items[0]||null}get last(){return this._items[this.length-1]||null}add(t,e){let n;const o=this._idProperty;if(o in t){if(n=t[o],"string"!=typeof n)throw new sn.b("collection-add-invalid-id",this);if(this.get(n))throw new sn.b("collection-add-item-already-exists",this)}else t[o]=n=ln();if(void 0===e)e=this._items.length;else if(e>this._items.length||e<0)throw new sn.b("collection-add-item-invalid-index",this);return this._items.splice(e,0,t),this._itemMap.set(n,t),this.fire("add",t,e),this}get(t){let e;if("string"==typeof t)e=this._itemMap.get(t);else{if("number"!=typeof t)throw new sn.b("collection-get-invalid-arg: Index or id must be given.",this);e=this._items[t]}return e||null}has(t){if("string"==typeof t)return this._itemMap.has(t);{const e=t[this._idProperty];return this._itemMap.has(e)}}getIndex(t){let e;return e="string"==typeof t?this._itemMap.get(t):t,this._items.indexOf(e)}remove(t){let e,n,o,i=!1;const r=this._idProperty;if("string"==typeof t?(n=t,o=this._itemMap.get(n),i=!o,o&&(e=this._items.indexOf(o))):"number"==typeof t?(e=t,o=this._items[e],i=!o,o&&(n=o[r])):(o=t,n=o[r],e=this._items.indexOf(o),i=-1==e||!this._itemMap.get(n)),i)throw new sn.b("collection-remove-404: Item not found.",this);this._items.splice(e,1),this._itemMap.delete(n);const s=this._bindToInternalToExternalMap.get(o);return this._bindToInternalToExternalMap.delete(o),this._bindToExternalToInternalMap.delete(s),this.fire("remove",o,e),o}map(t,e){return this._items.map(t,e)}find(t,e){return this._items.find(t,e)}filter(t,e){return this._items.filter(t,e)}clear(){for(this._bindToCollection&&(this.stopListening(this._bindToCollection),this._bindToCollection=null);this.length;)this.remove(0)}bindTo(t){if(this._bindToCollection)throw new sn.b("collection-bind-to-rebind: The collection cannot be bound more than once.",this);return this._bindToCollection=t,{as:t=>{this._setUpBindToBinding(e=>new t(e))},using:t=>{"function"==typeof t?this._setUpBindToBinding(e=>t(e)):this._setUpBindToBinding(e=>e[t])}}}_setUpBindToBinding(t){const e=this._bindToCollection,n=(n,o,i)=>{const r=e._bindToCollection==this,s=e._bindToInternalToExternalMap.get(o);if(r&&s)this._bindToExternalToInternalMap.set(o,s),this._bindToInternalToExternalMap.set(s,o);else{const n=t(o);if(!n)return void this._skippedIndexesFromExternal.push(i);let r=i;for(const t of this._skippedIndexesFromExternal)i>t&&r--;for(const t of e._skippedIndexesFromExternal)r>=t&&r++;this._bindToExternalToInternalMap.set(o,n),this._bindToInternalToExternalMap.set(n,o),this.add(n,r);for(let t=0;t<e._skippedIndexesFromExternal.length;t++)r<=e._skippedIndexesFromExternal[t]&&e._skippedIndexesFromExternal[t]++}};for(const t of e)n(0,t,e.getIndex(t));this.listenTo(e,"add",n),this.listenTo(e,"remove",(t,e,n)=>{const o=this._bindToExternalToInternalMap.get(e);o&&this.remove(o),this._skippedIndexesFromExternal=this._skippedIndexesFromExternal.reduce((t,e)=>(n<e&&t.push(e-1),n>e&&t.push(e),t),[])})}[Symbol.iterator](){return this._items[Symbol.iterator]()}}_n(go,fn);class mo{constructor(){this.selection=new fo,this.roots=new go({idProperty:"rootName"}),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)}}_n(mo,Yn);class po extends Rn{constructor(t,e,n){super(t,e,n),this.getFillerOffset=bo,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 sn.b("attribute-element-get-elements-with-same-id-no-id: Cannot get elements with the same id for an attribute element without id.",this);return new Set(this._clonesGroup)}is(t,e=null){const n=t&&t.replace(/^view:/,"");return e?"attributeElement"==n&&e==this.name||super.is(t,e):"attributeElement"==n||super.is(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 bo(){if(wo(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(wo(t)>1)return null;t=t.parent}return!t||wo(t)>1?null:this.childCount}function wo(t){return Array.from(t.getChildren()).filter(t=>!t.is("uiElement")).length}po.DEFAULT_PRIORITY=10;class ko extends Rn{constructor(t,e,n){super(t,e,n),this.getFillerOffset=_o}is(t,e=null){const n=t.replace(/^view:/,"");return e?"emptyElement"==n&&e==this.name||super.is(t,e):"emptyElement"==n||super.is(t)}_insertChild(t,e){if(e&&(e instanceof xn||Array.from(e).length>0))throw new sn.b("view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.",[this,e])}}function _o(){return null}const vo=navigator.userAgent.toLowerCase();var yo={isMac:function(t){return t.indexOf("macintosh")>-1}(vo),isEdge:function(t){return!!t.match(/edge\/(\d+.?\d*)/)}(vo),isGecko:function(t){return!!t.match(/gecko\/\d+/)}(vo),isSafari:function(t){return t.indexOf(" applewebkit/")>-1&&-1===t.indexOf("chrome")}(vo),isAndroid:function(t){return t.indexOf("android")>-1}(vo),features:{isRegExpUnicodePropertySupported:function(){let t=!1;try{t=0==="ć".search(new RegExp("[\\p{L}]","u"))}catch(t){}return t}()}};const xo={"⌘":"ctrl","⇧":"shift","⌥":"alt"},Co={ctrl:"⌘",shift:"⇧",alt:"⌥"},Ao=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++){const n=String.fromCharCode(e);t[n.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 Po(t){let e;if("string"==typeof t){if(e=Ao[t.toLowerCase()],!e)throw new sn.b("keyboard-unknown-key: Unknown key name.",null,{key:t})}else e=t.keyCode+(t.altKey?Ao.alt:0)+(t.ctrlKey?Ao.ctrl:0)+(t.shiftKey?Ao.shift:0);return e}function To(t){return"string"==typeof t&&(t=Eo(t)),t.map(t=>"string"==typeof t?Po(t):t).reduce((t,e)=>e+t,0)}function So(t){return yo.isMac?Eo(t).map(t=>Co[t.toLowerCase()]||t).reduce((t,e)=>t.slice(-1)in xo?t+e:t+"+"+e):t}function Eo(t){return t.split(/\s*\+\s*/)}class Ro extends Rn{constructor(t,e,n){super(t,e,n),this.getFillerOffset=Io}is(t,e=null){const n=t.replace(/^view:/,"");return e?"uiElement"==n&&e==this.name||super.is(t,e):"uiElement"==n||super.is(t)}_insertChild(t,e){if(e&&(e instanceof xn||Array.from(e).length>0))throw new sn.b("view-uielement-cannot-add: Cannot add child nodes to UIElement instance.",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 Oo(t){t.document.on("keydown",(e,n)=>function(t,e,n){if(e.keyCode==Ao.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))}function Io(){return null}class Mo{constructor(t){this._children=[],t&&this._insertChild(0,t)}[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){if("string"==typeof t)return[new Cn(t)];Tn(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new Cn(t):t instanceof An?new Cn(t.data):t)}(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)}}_n(Mo,fn);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 Cn(t)}createAttributeElement(t,e,n={}){const o=new po(t,e);return n.priority&&(o._priority=n.priority),n.id&&(o._id=n.id),o}createContainerElement(t,e){return new Mn(t,e)}createEditableElement(t,e){const n=new oo(t,e);return n._document=this.document,n}createEmptyElement(t,e){return new ko(t,e)}createUIElement(t,e,n){const o=new Ro(t,e);return n&&(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){y(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 ao?this._breakAttributes(t):this._breakAttributesRange(t)}breakContainer(t){const e=t.parent;if(!e.is("containerElement"))throw new sn.b("view-writer-break-non-container-element: Trying to break an element which is not a container element.",this.document);if(!e.parent)throw new sn.b("view-writer-break-root: Trying to break root element.",this.document);if(t.isAtStart)return ao._createBefore(e);if(!t.isAtEnd){const n=e._clone(!1);this.insert(ao._createAfter(e),n);const o=new co(t,ao._createAt(e,"end")),i=new ao(n,0);this.move(o,i)}return ao._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 ao(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 Lo(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 ao(o,t))}return t}mergeContainers(t){const e=t.nodeBefore,n=t.nodeAfter;if(!(e&&n&&e.is("containerElement")&&n.is("containerElement")))throw new sn.b("view-writer-merge-containers-invalid-position: Element before and after given position cannot be merged.",this.document);const o=e.getChild(e.childCount-1),i=o instanceof Cn?ao._createAt(o,"end"):ao._createAt(e,"end");return this.move(co._createIn(n),ao._createAt(e,"end")),this.remove(co._createOn(n)),i}insert(t,e){(function t(e,n){for(const o of e){if(!zo.some(t=>o instanceof t))throw new sn.b("view-writer-insert-invalid-node",n);o.is("text")||t(o.getChildren(),n)}})(e=Tn(e)?[...e]:[e],this.document);const n=Vo(t);if(!n)throw new sn.b("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 co(s,s);{s.isEqual(o)||r.offset--;const t=this.mergeAttributes(r);return new co(s,t)}}remove(t){const e=t instanceof co?t:co._createOn(t);if(Ho(e,this.document),e.isCollapsed)return new Mo;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 Mo(s)}clear(t,e){Ho(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=co._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=co._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 po))throw new sn.b("view-writer-wrap-invalid-attribute",this.document);if(Ho(t,this.document),t.isCollapsed){let o=t.start;o.parent.is("element")&&(n=o.parent,!Array.from(n.getChildren()).some(t=>!t.is("uiElement")))&&(o=o.getLastMatchingPosition(t=>t.item.is("uiElement"))),o=this._wrapPosition(o,e);const i=this.document.selection;return i.isCollapsed&&i.getFirstPosition().isEqual(t.start)&&this.setSelection(o),new co(o)}return this._wrapRange(t,e);var n}unwrap(t,e){if(!(e instanceof po))throw new sn.b("view-writer-unwrap-invalid-attribute",this.document);if(Ho(t,this.document),t.isCollapsed)return t;const{start:n,end:o}=this._breakAttributesRange(t,!0),i=n.parent,r=this._unwrapChildren(i,n.offset,o.offset,e),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new co(s,a)}rename(t,e){const n=new Mn(t,e.getAttributes());return this.insert(ao._createAfter(e),n),this.move(co._createIn(e),ao._createAt(n,0)),this.remove(co._createOn(e)),n}clearClonedElementsGroup(t){this._cloneGroups.delete(t)}createPositionAt(t,e){return ao._createAt(t,e)}createPositionAfter(t){return ao._createAfter(t)}createPositionBefore(t){return ao._createBefore(t)}createRange(t,e){return new co(t,e)}createRangeOn(t){return co._createOn(t)}createRangeIn(t){return co._createIn(t)}createSelection(t,e,n){return new uo(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"),c=e.is("uiElement");if(s&&this._wrapAttributeElement(o,e))r.push(new ao(t,i));else if(n||a||c||s&&Bo(o,e)){const n=o._clone();e._remove(),n._appendChild(e),t._insertChild(i,n),this._addToClonedElementsGroup(n),r.push(new ao(t,i))}else s&&this._wrapChildren(e,0,e.childCount,o);i++}let s=0;for(const t of r){if(t.offset-=s,t.offset==e)continue;this.mergeAttributes(t).isEqual(t)||(s++,n--)}return co._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 o=e.getChildren(),s=e.childCount;e._remove(),t._insertChild(i,o),this._removeFromClonedElementsGroup(e),r.push(new ao(t,i),new ao(t,i+s)),i+=s,n+=s-1}else this._unwrapAttributeElement(o,e)?(r.push(new ao(t,i),new ao(t,i+1)),i++):(this._unwrapChildren(e,0,e.childCount,o),i++);else i++}let s=0;for(const t of r){if(t.offset-=s,t.offset==e||t.offset==n)continue;this.mergeAttributes(t).isEqual(t)||(s++,n--)}return co._createFromParentsAndOffsets(t,e,t,n)}_wrapRange(t,e){const{start:n,end:o}=this._breakAttributesRange(t,!0),i=n.parent,r=this._wrapChildren(i,n.offset,o.offset,e),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new co(s,a)}_wrapPosition(t,e){if(e.isSimilar(t.parent))return Fo(t.clone());t.parent.is("text")&&(t=Do(t));const n=this.createAttributeElement();n._priority=Number.POSITIVE_INFINITY,n.isSimilar=()=>!1,t.parent._insertChild(t.offset,n);const o=new co(t,t.getShiftedBy(1));this.wrap(o,e);const i=new ao(n.parent,n.index);n._remove();const r=i.nodeBefore,s=i.nodeAfter;return r instanceof Cn&&s instanceof Cn?Lo(r,s):Fo(i)}_wrapAttributeElement(t,e){if(!qo(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const n of t.getAttributeKeys())if("class"!==n&&"style"!==n&&e.hasAttribute(n)&&e.getAttribute(n)!==t.getAttribute(n))return!1;for(const n of t.getStyleNames())if(e.hasStyle(n)&&e.getStyle(n)!==t.getStyle(n))return!1;for(const n of t.getAttributeKeys())"class"!==n&&"style"!==n&&(e.hasAttribute(n)||this.setAttribute(n,t.getAttribute(n),e));for(const n of t.getStyleNames())e.hasStyle(n)||this.setStyle(n,t.getStyle(n),e);for(const n of t.getClassNames())e.hasClass(n)||this.addClass(n,e);return!0}_unwrapAttributeElement(t,e){if(!qo(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const n of t.getAttributeKeys())if("class"!==n&&"style"!==n&&(!e.hasAttribute(n)||e.getAttribute(n)!==t.getAttribute(n)))return!1;if(!e.hasClass(...t.getClassNames()))return!1;for(const n of t.getStyleNames())if(!e.hasStyle(n)||e.getStyle(n)!==t.getStyle(n))return!1;for(const n of t.getAttributeKeys())"class"!==n&&"style"!==n&&this.removeAttribute(n,e);return this.removeClass(Array.from(t.getClassNames()),e),this.removeStyle(Array.from(t.getStyleNames()),e),!0}_breakAttributesRange(t,e=!1){const n=t.start,o=t.end;if(Ho(t,this.document),t.isCollapsed){const n=this._breakAttributes(t.start,e);return new co(n,n)}const i=this._breakAttributes(o,e),r=i.parent.childCount,s=this._breakAttributes(n,e);return i.offset+=i.parent.childCount-r,new co(s,i)}_breakAttributes(t,e=!1){const n=t.offset,o=t.parent;if(t.parent.is("emptyElement"))throw new sn.b("view-writer-cannot-break-empty-element",this.document);if(t.parent.is("uiElement"))throw new sn.b("view-writer-cannot-break-ui-element",this.document);if(!e&&o.is("text")&&jo(o.parent))return t.clone();if(jo(o))return t.clone();if(o.is("text"))return this._breakAttributes(Do(t),e);if(n==o.childCount){const t=new ao(o.parent,o.index+1);return this._breakAttributes(t,e)}if(0===n){const t=new ao(o.parent,o.index);return this._breakAttributes(t,e)}{const t=o.index+1,i=o._clone();o.parent._insertChild(t,i),this._addToClonedElementsGroup(i);const r=o.childCount-n,s=o._removeChildren(n,r);i._appendChild(s);const a=new ao(o.parent,t);return this._breakAttributes(a,e)}}_addToClonedElementsGroup(t){if(!t.root.is("rootElement"))return;if(t.is("element"))for(const e of t.getChildren())this._addToClonedElementsGroup(e);const e=t.id;if(!e)return;let n=this._cloneGroups.get(e);n||(n=new Set,this._cloneGroups.set(e,n)),n.add(t),t._clonesGroup=n}_removeFromClonedElementsGroup(t){if(t.is("element"))for(const e of t.getChildren())this._removeFromClonedElementsGroup(e);const e=t.id;if(!e)return;const n=this._cloneGroups.get(e);n&&n.delete(t)}}function Vo(t){let e=t.parent;for(;!jo(e);){if(!e)return;e=e.parent}return e}function Bo(t,e){return t.priority<e.priority||!(t.priority>e.priority)&&t.getIdentity()<e.getIdentity()}function Fo(t){const e=t.nodeBefore;if(e&&e.is("text"))return new ao(e,e.data.length);const n=t.nodeAfter;return n&&n.is("text")?new ao(n,0):t}function Do(t){if(t.offset==t.parent.data.length)return new ao(t.parent.parent,t.parent.index+1);if(0===t.offset)return new ao(t.parent.parent,t.parent.index);const e=t.parent.data.slice(t.offset);return t.parent._data=t.parent.data.slice(0,t.offset),t.parent.parent._insertChild(t.parent.index+1,new Cn(e)),new ao(t.parent.parent,t.parent.index+1)}function Lo(t,e){const n=t.data.length;return t._data+=e.data,e._remove(),new ao(t,n)}const zo=[Cn,po,Mn,ko,Ro];function jo(t){return t&&(t.is("containerElement")||t.is("documentFragment"))}function Ho(t,e){const n=Vo(t.start),o=Vo(t.end);if(!n||!o||n!==o)throw new sn.b("view-writer-invalid-range-container",e)}function qo(t,e){return null===t.id&&null===e.id}function Wo(t){return"[object Text]"==Object.prototype.toString.call(t)}const Uo=t=>t.createTextNode(" "),$o=t=>{const e=t.createElement("br");return e.dataset.ckeFiller=!0,e},Go=(()=>{let t="";for(let e=0;e<7;e++)t+="​";return t})();function Ko(t){return Wo(t)&&t.data.substr(0,7)===Go}function Jo(t){return 7==t.data.length&&Ko(t)}function Yo(t){return Ko(t)?t.data.slice(7):t.data}function Xo(t,e){if(e.keyCode==Ao.arrowleft){const t=e.domTarget.ownerDocument.defaultView.getSelection();if(1==t.rangeCount&&t.getRangeAt(0).collapsed){const e=t.getRangeAt(0).startContainer,n=t.getRangeAt(0).startOffset;Ko(e)&&n<=7&&t.collapse(e,0)}}}function Qo(t,e,n,o=!1){n=n||function(t,e){return t===e},Array.isArray(t)||(t=Array.from(t)),Array.isArray(e)||(e=Array.from(e));const i=function(t,e,n){const o=Zo(t,e,n);if(-1===o)return{firstIndex:-1,lastIndexOld:-1,lastIndexNew:-1};const i=ti(t,o),r=ti(e,o),s=Zo(i,r,n),a=t.length-s,c=e.length-s;return{firstIndex:o,lastIndexOld:a,lastIndexNew:c}}(t,e,n);return o?function(t,e){const{firstIndex:n,lastIndexOld:o,lastIndexNew:i}=t;if(-1===n)return Array(e).fill("equal");let r=[];n>0&&(r=r.concat(Array(n).fill("equal")));i-n>0&&(r=r.concat(Array(i-n).fill("insert")));o-n>0&&(r=r.concat(Array(o-n).fill("delete")));i<e&&(r=r.concat(Array(e-i).fill("equal")));return r}(i,e.length):function(t,e){const n=[],{firstIndex:o,lastIndexOld:i,lastIndexNew:r}=e;r-o>0&&n.push({index:o,type:"insert",values:t.slice(o,r)});i-o>0&&n.push({index:o+(r-o),type:"delete",howMany:i-o});return n}(e,i)}function Zo(t,e,n){for(let o=0;o<Math.max(t.length,e.length);o++)if(void 0===t[o]||void 0===e[o]||!n(t[o],e[o]))return o;return-1}function ti(t,e){return t.slice(e).reverse()}function ei(t,e,n){n=n||function(t,e){return t===e};const o=t.length,i=e.length;if(o>200||i>200||o+i>300)return ei.fastDiff(t,e,n,!0);let r,s;if(i<o){const n=t;t=e,e=n,r="delete",s="insert"}else r="insert",s="delete";const a=t.length,c=e.length,l=c-a,d={},h={};function u(o){const i=(void 0!==h[o-1]?h[o-1]:-1)+1,l=void 0!==h[o+1]?h[o+1]:-1,u=i>l?-1:1;d[o+u]&&(d[o]=d[o+u].slice(0)),d[o]||(d[o]=[]),d[o].push(i>l?r:s);let f=Math.max(i,l),g=f-o;for(;g<a&&f<c&&n(t[g],e[f]);)g++,f++,d[o].push("equal");return f}let f,g=0;do{for(f=-g;f<l;f++)h[f]=u(f);for(f=l+g;f>l;f--)h[f]=u(f);h[l]=u(l),g++}while(h[l]!==c);return d[l].slice(1)}function ni(t,e,n){t.insertBefore(n,t.childNodes[e]||null)}function oi(t){const e=t.parentNode;e&&e.removeChild(t)}function ii(t){if(t){if(t.defaultView)return t instanceof t.defaultView.Document;if(t.ownerDocument&&t.ownerDocument.defaultView)return t instanceof t.ownerDocument.defaultView.Node}return!1}ei.fastDiff=Qo;class ri{constructor(t,e){this.domDocuments=new Set,this.domConverter=t,this.markedAttributes=new Set,this.markedChildren=new Set,this.markedTexts=new Set,this.selection=e,this.isFocused=!1,this._inlineFiller=null,this._fakeSelectionContainer=null}markToSync(t,e){if("text"===t)this.domConverter.mapViewToDom(e.parent)&&this.markedTexts.add(e);else{if(!this.domConverter.mapViewToDom(e))return;if("attributes"===t)this.markedAttributes.add(e);else{if("children"!==t)throw new sn.b("view-renderer-unknown-type: Unknown type passed to Renderer.markToSync.",this);this.markedChildren.add(e)}}}render(){let t;for(const t of this.markedChildren)this._updateChildrenMappings(t);this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?t=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(t=this.selection.getFirstPosition(),this.markedChildren.add(t.parent));for(const t of this.markedAttributes)this._updateAttrs(t);for(const e 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;Ko(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=si(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 i=e.equal+e.insert,r=e.equal+e.delete,s=t.getChild(i);s&&!s.is("uiElement")&&this._updateElementMappings(s,n[r]),oi(o[i]),e.equal++}else e[i]++}}_updateElementMappings(t,e){this.domConverter.unbindDomElement(e),this.domConverter.bindElements(e,t),this.markedChildren.add(t),this.markedAttributes.add(t)}_getInlineFillerPosition(){const t=this.selection.getFirstPosition();return t.parent.is("text")?ao._createBefore(this.selection.getFirstPosition().parent):t}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=this.domConverter.viewPositionToDom(t);return!!(e&&Wo(e.parent)&&Ko(e.parent))}_removeInlineFiller(){const t=this._inlineFiller;if(!Ko(t))throw new sn.b("view-renderer-filler-was-lost: The inline filler node was lost.",this);Jo(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 Cn||i instanceof Cn)}_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=Go+r),i!=r){const t=Qo(i,r);for(const e of t)"insert"===e.type?n.insertData(e.index,e.values.join("")):n.deleteData(e.index,e.howMany)}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=Array.from(e.attributes).map(t=>t.name),o=t.getAttributeKeys();for(const n of o)e.setAttribute(n,t.getAttribute(n));for(const o of n)t.hasAttribute(o)||e.removeAttribute(o)}_updateChildren(t,e){const n=this.domConverter.mapViewToDom(t);if(!n)return;const o=e.inlineFillerPosition,i=this.domConverter.mapViewToDom(t).childNodes,r=Array.from(this.domConverter.viewChildrenToDom(t,n.ownerDocument,{bind:!0,inlineFillerPosition:o}));o&&o.parent===t&&si(n.ownerDocument,r,o.offset);const s=this._diffNodeLists(i,r);let a=0;const c=new Set;for(const t of s)"insert"===t?(ni(n,a,r[a]),a++):"delete"===t?(c.add(i[a]),oi(i[a])):(this._markDescendantTextToSync(this.domConverter.domToView(r[a])),a++);for(const t of c)t.parentNode||this.domConverter.unbindDomElement(t)}_diffNodeLists(t,e){return ei(t=function(t,e){const n=Array.from(t);if(0==n.length||!e)return n;n[n.length-1]==e&&n.pop();return n}(t,this._fakeSelectionContainer),e,ci.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(ei(i,r,ai).map(t=>"equal"===t?"replace":t)),o.push("equal"),i=[],r=[]),s[a]++;return o.concat(ei(i,r,ai).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),yo.isGecko&&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 si(t,e,n){const o=e instanceof Array?e:e.childNodes,i=o[n];if(Wo(i))return i.data=Go+i.data,i;{const i=t.createTextNode(Go);return Array.isArray(e)?o.splice(n,0,i):ni(e,n,i),i}}function ai(t,e){return ii(t)&&ii(e)&&!Wo(t)&&!Wo(e)&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}function ci(t,e,n){return e===n||(Wo(e)&&Wo(n)?e.data===n.data:!(!t.isBlockFiller(e)||!t.isBlockFiller(n)))}_n(ri,Yn);var li={window:window,document:document};function di(t){let e=0;for(;t.previousSibling;)t=t.previousSibling,e++;return e}function hi(t){const e=[];for(;t&&t.nodeType!=Node.DOCUMENT_NODE;)e.unshift(t),t=t.parentNode;return e}const ui=$o(document);class fi{constructor(t={}){this.blockFillerMode=t.blockFillerMode||"br",this.preElements=["pre"],this.blockElements=["p","div","h1","h2","h3","h4","h5","h6","li","dd","dt","figcaption"],this._blockFiller="br"==this.blockFillerMode?$o:Uo,this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new uo(e))}fakeSelectionToView(t){return this._fakeSelectionMapping.get(t)}bindElements(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}unbindDomElement(t){const e=this._domToViewMapping.get(t);if(e){this._domToViewMapping.delete(t),this._viewToDomMapping.delete(e);for(const e of Array.from(t.childNodes))this.unbindDomElement(e)}}bindDocumentFragments(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}viewToDom(t,e,n={}){if(t.is("text")){const n=this._processDataFromViewText(t);return e.createTextNode(n)}{if(this.mapViewToDom(t))return this.mapViewToDom(t);let o;if(t.is("documentFragment"))o=e.createDocumentFragment(),n.bind&&this.bindDocumentFragments(o,t);else{if(t.is("uiElement"))return o=t.render(e),n.bind&&this.bindElements(o,t),o;o=t.hasAttribute("xmlns")?e.createElementNS(t.getAttribute("xmlns"),t.name):e.createElement(t.name),n.bind&&this.bindElements(o,t);for(const e of t.getAttributeKeys())o.setAttribute(e,t.getAttribute(e))}if(n.withChildren||void 0===n.withChildren)for(const i of this.viewChildrenToDom(t,e,n))o.appendChild(i);return o}}*viewChildrenToDom(t,e,n={}){const o=t.getFillerOffset&&t.getFillerOffset();let i=0;for(const r of t.getChildren())o===i&&(yield this._blockFiller(e)),yield this.viewToDom(r,e,n),i++;o===i&&(yield this._blockFiller(e))}viewRangeToDom(t){const e=this.viewPositionToDom(t.start),n=this.viewPositionToDom(t.end),o=document.createRange();return o.setStart(e.parent,e.offset),o.setEnd(n.parent,n.offset),o}viewPositionToDom(t){const e=t.parent;if(e.is("text")){const n=this.findCorrespondingDomText(e);if(!n)return null;let o=t.offset;return Ko(n)&&(o+=7),{parent:n,offset:o}}{let n,o,i;if(0===t.offset){if(n=this.mapViewToDom(e),!n)return null;i=n.childNodes[0]}else{const e=t.nodeBefore;if(o=e.is("text")?this.findCorrespondingDomText(e):this.mapViewToDom(t.nodeBefore),!o)return null;n=o.parentNode,i=o.nextSibling}if(Wo(i)&&Ko(i))return{parent:i,offset:7};return{parent:n,offset:o?di(o)+1:0}}}domToView(t,e={}){if(this.isBlockFiller(t,this.blockFillerMode))return null;const n=this.getParentUIElement(t,this._domToViewMapping);if(n)return n;if(Wo(t)){if(Jo(t))return null;{const e=this._processDataFromDomText(t);return""===e?null:new Cn(e)}}if(this.isComment(t))return null;{if(this.mapDomToView(t))return this.mapDomToView(t);let n;if(this.isDocumentFragment(t))n=new Mo,e.bind&&this.bindDocumentFragments(t,n);else{const o=e.keepOriginalCase?t.tagName:t.tagName.toLowerCase();n=new Rn(o),e.bind&&this.bindElements(t,n);const i=t.attributes;for(let t=i.length-1;t>=0;t--)n._setAttribute(i[t].name,i[t].value)}if(e.withChildren||void 0===e.withChildren)for(const o of this.domChildrenToView(t,e))n._appendChild(o);return n}}*domChildrenToView(t,e={}){for(let n=0;n<t.childNodes.length;n++){const o=t.childNodes[n],i=this.domToView(o,e);null!==i&&(yield i)}}domSelectionToView(t){if(1===t.rangeCount){let e=t.getRangeAt(0).startContainer;Wo(e)&&(e=e.parentNode);const n=this.fakeSelectionToView(e);if(n)return n}const e=this.isDomSelectionBackward(t),n=[];for(let e=0;e<t.rangeCount;e++){const o=t.getRangeAt(e),i=this.domRangeToView(o);i&&n.push(i)}return new uo(n,{backward:e})}domRangeToView(t){const e=this.domPositionToView(t.startContainer,t.startOffset),n=this.domPositionToView(t.endContainer,t.endOffset);return e&&n?new co(e,n):null}domPositionToView(t,e){if(this.isBlockFiller(t,this.blockFillerMode))return this.domPositionToView(t.parentNode,di(t));const n=this.mapDomToView(t);if(n&&n.is("uiElement"))return ao._createBefore(n);if(Wo(t)){if(Jo(t))return this.domPositionToView(t.parentNode,di(t));const n=this.findCorrespondingViewText(t);let o=e;return n?(Ko(t)&&(o-=7,o=o<0?0:o),new ao(n,o)):null}if(0===e){const e=this.mapDomToView(t);if(e)return new ao(e,0)}else{const n=t.childNodes[e-1],o=Wo(n)?this.findCorrespondingViewText(n):this.mapDomToView(n);if(o&&o.parent)return new ao(o.parent,o.index+1)}return null}mapDomToView(t){return this.getParentUIElement(t)||this._domToViewMapping.get(t)}findCorrespondingViewText(t){if(Jo(t))return null;const e=this.getParentUIElement(t);if(e)return e;const n=t.previousSibling;if(n){if(!this.isElement(n))return null;const t=this.mapDomToView(n);if(t){return t.nextSibling instanceof Cn?t.nextSibling:null}}else{const e=this.mapDomToView(t.parentNode);if(e){const t=e.getChild(0);return t instanceof Cn?t:null}}return null}mapViewToDom(t){return this._viewToDomMapping.get(t)}findCorrespondingDomText(t){const e=t.previousSibling;return 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t===e||!(!t.is("text")||!e.is("text"))&&t.data===e.data}this.document.fire("mutations",i,s),this.view.forceRender()}_isBogusBrMutation(t){let e=null;return null===t.nextSibling&&0===t.removedNodes.length&&1==t.addedNodes.length&&(e=this.domConverter.domToView(t.addedNodes[0],{withChildren:!1})),e&&e.is("element","br")}}class ji{constructor(t,e,n){this.view=t,this.document=t.document,this.domEvent=e,this.domTarget=e.target,Un(this,n)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class Hi extends vi{constructor(t){super(t),this.useCapture=!1}observe(t){("string"==typeof this.domEventType?[this.domEventType]:this.domEventType).forEach(e=>{this.listenTo(t,e,(t,e)=>{this.isEnabled&&this.onDomEvent(e)},{useCapture:this.useCapture})})}fire(t,e,n){this.isEnabled&&this.document.fire(t,new ji(this.view,e,n))}}class qi extends 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o;t.selection.isFake&&((o=n.keyCode)==Ao.arrowright||o==Ao.arrowleft||o==Ao.arrowup||o==Ao.arrowdown)&&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 uo(e.getRanges(),{backward:e.isBackward,fake:!1});t!=Ao.arrowleft&&t!=Ao.arrowup||n.setTo(n.getFirstPosition()),t!=Ao.arrowright&&t!=Ao.arrowdown||n.setTo(n.getLastPosition());const o={oldSelection:e,newSelection:n,domSelection:null};this.document.fire("selectionChange",o),this._fireSelectionChangeDoneDebounced(o)}}class nr extends vi{constructor(t){super(t),this.mutationObserver=t.getObserver(zi),this.selection=this.document.selection,this.domConverter=t.domConverter,this._documents=new 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t={oldSelection:this.selection,newSelection:n,domSelection:e};this.document.fire("selectionChange",t),this._fireSelectionChangeDoneDebounced(t)}}_clearInfiniteLoop(){this._loopbackCounter=0}}class or extends Hi{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 ir extends Hi{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 rr extends 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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 lr(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(!hr(t)){let n=t.parentNode||t.commonAncestorContainer;for(;n&&!hr(n);){const t=new lr(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 cr)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(bi(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=ar(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 lr(t));else{let n=t.startContainer;Wo(n)&&(n=n.parentNode);const o=new lr(n.getBoundingClientRect());o.right=o.left,o.width=0,e.push(o)}return e}}function dr(t,e){for(const n of cr)t[n]=e[n]}function hr(t){return!!nn(t)&&t===t.ownerDocument.body}function ur({target:t,viewportOffset:e=0}){const n=kr(t);let o=n,i=null;for(;o;){let r;r=_r(o==n?t:i),gr(r,()=>vr(t,o));const s=vr(t,o);if(fr(o,s,e),o.parent!=o){if(i=o.frameElement,o=o.parent,!i)return}else o=null}}function fr(t,e,n){const o=e.clone().moveBy(0,n),i=e.clone().moveBy(0,-n),r=new lr(t).excludeScrollbarsAndBorders();if(![i,o].every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;pr(i,r)?a-=r.top-e.top+n:mr(o,r)&&(a+=e.bottom-r.bottom+n),br(e,r)?s-=r.left-e.left+n:wr(e,r)&&(s+=e.right-r.right+n),t.scrollTo(s,a)}}function gr(t,e){const n=kr(t);let o,i;for(;t!=n.document.body;)i=e(),o=new lr(t).excludeScrollbarsAndBorders(),o.contains(i)||(pr(i,o)?t.scrollTop-=o.top-i.top:mr(i,o)&&(t.scrollTop+=i.bottom-o.bottom),br(i,o)?t.scrollLeft-=o.left-i.left:wr(i,o)&&(t.scrollLeft+=i.right-o.right)),t=t.parentNode}function mr(t,e){return t.bottom>e.bottom}function pr(t,e){return t.top<e.top}function br(t,e){return t.left<e.left}function wr(t,e){return t.right>e.right}function kr(t){return sr(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function _r(t){if(sr(t)){let e=t.commonAncestorContainer;return Wo(e)&&(e=e.parentNode),e}return t.parentNode}function vr(t,e){const n=kr(t),o=new lr(t);if(n===e)return o;{let t=n;for(;t!=e;){const e=t.frameElement,n=new lr(e).excludeScrollbarsAndBorders();o.moveBy(n.left,n.top),t=t.parent}}return o}Object.assign({},{scrollViewportToShowTarget:ur,scrollAncestorsToShowTarget:function(t){gr(_r(t),()=>new lr(t))}});class yr{constructor(){this.document=new mo,this.domConverter=new fi,this.domRoots=new Map,this.set("isRenderingInProgress",!1),this._renderer=new ri(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(zi),this.addObserver(nr),this.addObserver(or),this.addObserver(qi),this.addObserver(er),this.addObserver(ir),yo.isAndroid&&this.addObserver(rr),this.document.on("keydown",Xo),Oo(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&&ur({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 sn.b("cannot-change-view-tree: Attempting to make changes to the view when it is in an incorrect state: rendering or post-fixers are in progress. This may cause some unexpected behavior and inconsistency between the DOM and the view.",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){sn.b.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 ao._createAt(t,e)}createPositionAfter(t){return ao._createAfter(t)}createPositionBefore(t){return ao._createBefore(t)}createRange(t,e){return new co(t,e)}createRangeOn(t){return co._createOn(t)}createRangeIn(t){return co._createIn(t)}createSelection(t,e,n){return new uo(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}}function xr(t){return y(t)?Pn(t):new Map(t)}_n(yr,Yn);class Cr{constructor(t){this.parent=null,this._attrs=xr(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new sn.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new sn.b("model-node-not-found-in-parent: The node's parent does not contain this node.",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}get document(){return this.root==this?null:this.root.document||null}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=vn(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 Cr(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=xr(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class Ar extends Cr{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||super.is(t)}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new Ar(this.data,this.getAttributes())}static fromJSON(t){return new Ar(t.data,t.attributes)}}class Pr{constructor(t,e,n){if(this.textNode=t,e<0||e>t.offsetSize)throw new sn.b("model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.",this);if(n<0||e+n>t.offsetSize)throw new sn.b("model-textproxy-wrong-length: Given length value is incorrect.",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}get document(){return this.textNode.document}is(t){return"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 Tr{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 sn.b("model-nodelist-index-out-of-bounds: Given index cannot be found in the node list.",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 sn.b("model-nodelist-offset-out-of-bounds: Given offset cannot be found in the node list.",this,{offset:t,nodeList:this});return this.length}_insertNodes(t,e){for(const t of e)if(!(t instanceof Cr))throw new sn.b("model-nodelist-insertNodes-not-node: Trying to insert an object which is not a Node instance.",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 Sr extends Cr{constructor(t,e,n){super(e),this.name=t,this._children=new Tr,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){const n=t.replace(/^model:/,"");return e?"element"==n&&e==this.name:"element"==n||n==this.name||super.is(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}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 Sr(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if("string"==typeof t)return[new Ar(t)];Tn(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new Ar(t):t instanceof Pr?new Ar(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(Sr.fromJSON(n)):e.push(Ar.fromJSON(n))}return new Sr(t.name,t.attributes,e)}}class Er{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new sn.b("model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new sn.b("model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",t,{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=Ir._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.textNode?e.textNode:e.nodeAfter;if(o instanceof Sr)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=o),this.position=e,Rr("elementStart",o,t,e,1);if(o instanceof Ar){let i;if(this.singleCharacters)i=1;else{let t=o.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),i=t-e.offset}const r=e.offset-o.startOffset,s=new Pr(o,r,i);return e.offset+=i,this.position=e,Rr("text",s,t,e,i)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():Rr("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.textNode?e.textNode:e.nodeBefore;if(o instanceof Sr)return e.offset--,this.shallow?(this.position=e,Rr("elementStart",o,t,e,1)):(e.path.push(o.maxOffset),this.position=e,this._visitedParent=o,this.ignoreElementEnd?this._previous():Rr("elementEnd",o,t,e));if(o instanceof Ar){let i;if(this.singleCharacters)i=1;else{let t=o.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),i=e.offset-t}const r=e.offset-o.startOffset,s=new Pr(o,r-i,i);return e.offset-=i,this.position=e,Rr("text",s,t,e,i)}return e.path.pop(),this.position=e,this._visitedParent=n.parent,Rr("elementStart",n,t,e,1)}}function Rr(t,e,n,o,i){return{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:o,length:i}}}var Or=function(t){var e=null==t?0:t.length;return e?t[e-1]:void 0};class Ir{constructor(t,e,n="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new sn.b("model-position-root-invalid: Position root invalid.",t);if(!(e instanceof Array)||0===e.length)throw new sn.b("model-position-path-incorrect-format: Position path must be an array with at least one item.",t,{path:e});e=t.getPath().concat(e),t=t.root,this.root=t,this.path=e,this.stickiness=n}get offset(){return Or(this.path)}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 sn.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});if(t.is("text"))throw new sn.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});return t}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){const t=this.parent.getChild(this.index);return t instanceof Ar&&t.startOffset<this.offset?t:null}get nodeAfter(){return null===this.textNode?this.parent.getChild(this.index):null}get nodeBefore(){return null===this.textNode?this.parent.getChild(this.index-1):null}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=vn(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 Er(e);return n.skip(t),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonPath(t){if(this.root!=t.root)return[];const e=vn(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=Ir._createAt(this),n=Ir._createAt(t);break;case"after":e=Ir._createAt(t),n=Ir._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){if(this.root!==t.root)return!1;return"same"==vn(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=Ir._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)?Ir._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),n}_getTransformedByDeletion(t,e){const n=Ir._createAt(this);if(this.root!=t.root)return n;if("same"==vn(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;n.offset-=e}}else if("prefix"==vn(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=Ir._createAt(this);if(this.root!=t.root)return n;if("same"==vn(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&"toPrevious"!=this.stickiness)&&(n.offset+=e);else if("prefix"==vn(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 Ir._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=Ir._createAt(e);return o.stickiness=this.stickiness,o.offset=o.offset+this.path[n]-t.offset,o.path=o.path.concat(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 Ir)return new Ir(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 sn.b("model-createPositionAt-offset-required: Model#createPositionAt() requires the offset when the first parameter is a model item.",[this,t])}if(!o.is("element")&&!o.is("documentFragment"))throw new sn.b("model-position-parent-incorrect: Position parent have to be a element or document fragment.",[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 sn.b("model-position-after-root: You cannot make a position after root.",[this,t],{root:t});return this._createAt(t.parent,t.endOffset,e)}static _createBefore(t,e){if(!t.parent)throw new sn.b("model-position-before-root: You cannot make a 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 Ir(e.graveyard,t.path);return n.stickiness=t.stickiness,n}if(!e.getRoot(t.root))throw new sn.b("model-position-fromjson-no-root: Cannot create position for document. Root with specified name does not exist.",e,{rootName:t.root});return new Ir(e.getRoot(t.root),t.path,t.stickiness)}}class Mr{constructor(t,e=null){this.start=Ir._createAt(t),this.end=e?Ir._createAt(e):Ir._createAt(t),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new Er({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==vn(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=Ir._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 Mr(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Mr(t.end,this.end))):e.push(new Mr(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 Mr(e,n)}return null}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,n=Ir._createAt(this.start);let o=n.parent;for(;n.path.length>e+1;){const e=o.maxOffset-n.offset;0!==e&&t.push(new Mr(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 Mr(n,n.getShiftedBy(o))),n.offset=e,n.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new Er(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Er(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Er(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 Mr(this.start,this.end)]}getTransformedByOperations(t){const e=[new Mr(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)}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 Mr(e,n)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new Mr(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=Ir._createAt(n),e.offset=0):(t.deletionPosition.isEqual(e)||(n=t.deletionPosition),e=t.targetPosition),new Mr(e,n)):new Mr(e,n)}_getTransformedByInsertion(t,e,n=!1){if(n&&this.containsPosition(t))return[new Mr(this.start,t),new Mr(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const n=new Mr(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 Mr(o)]}const i=Mr._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 Mr(o,i)]}let s;const a=this.getDifference(i);let c=null;const l=this.getIntersection(i);if(1==a.length?c=new Mr(a[0].start._getTransformedByDeletion(t,n),a[0].end._getTransformedByDeletion(t,n)):2==a.length&&(c=new Mr(this.start,this.end._getTransformedByDeletion(t,n))),s=c?c._getTransformedByInsertion(r,n,null!==l||o):[],l){const t=new Mr(l.start._getCombined(i.start,r),l.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 Mr(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(Ir._createAt(t,0),Ir._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(Ir._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new sn.b("range-create-from-ranges-empty-array: At least one range has to be passed.",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=Ir._createAt(t[e].start);for(let e=n+1;e<t.length&&t[e].start.isEqual(o.end);e++)o.end=Ir._createAt(t[e].end);return o}static fromJSON(t,e){return new this(Ir.fromJSON(t.start,e),Ir.fromJSON(t.end,e))}}class Nr{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=Ir._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 Mr(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new co(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 ao(t,e);for(;i<e;)n=t.getChild(r),o=this.getModelLength(n),i+=o,r++;return i==e?this._moveViewPositionToTextNode(new ao(t,r)):this._findPositionIn(n,e-(i-o))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,n=t.nodeAfter;return e instanceof Cn?new ao(e,e.data.length):n instanceof Cn?new ao(n,0):t}}_n(Nr,fn);class Vr{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=Br(e),t instanceof Pr&&(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=Br(e),t instanceof Pr&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=Br(e),t instanceof Pr&&(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=Br(e),t instanceof Pr&&(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 Br(t){const e=t.split(":");return e.length>1?e[0]+":"+e[1]:e[0]}class Fr{constructor(t){this.conversionApi=Un({dispatcher:this},t)}convertChanges(t,e,n){for(const e of t.getMarkersToRemove())this.convertMarkerRemove(e.name,e.range,n);for(const e of t.getChanges())"insert"==e.type?this.convertInsert(Mr._createFromPositionAndShift(e.position,e.length),n):"remove"==e.type?this.convertRemove(e.position,e.length,e.name,n):this.convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.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 t){const t=e.item,n={item:t,range:Mr._createFromPositionAndShift(e.previousPosition,e.length)};this._testAndFire("insert",n);for(const e of t.getAttributeKeys())n.attributeKey=e,n.attributeOldValue=null,n.attributeNewValue=t.getAttribute(e),this._testAndFire(`attribute:${e}`,n)}this._clearConversionApi()}convertRemove(t,e,n,o){this.conversionApi.writer=o,this.fire("remove:"+n,{position:t,length:e},this.conversionApi),this._clearConversionApi()}convertAttribute(t,e,n,o,i){this.conversionApi.writer=i,this.conversionApi.consumable=this._createConsumableForRange(t,`attribute:${e}`);for(const i of t){const t={item:i.item,range:Mr._createFromPositionAndShift(i.previousPosition,i.length),attributeKey:e,attributeOldValue:n,attributeNewValue:o};this._testAndFire(`attribute:${e}`,t)}this._clearConversionApi()}convertSelection(t,e,n){const o=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=n,this.conversionApi.consumable=this._createSelectionConsumable(t,o),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of o){const n=e.getRange();if(!Dr(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const o={item:t,markerName:e.name,markerRange:n};this.conversionApi.consumable.test(t,"addMarker:"+e.name)&&this.fire("addMarker:"+e.name,o,this.conversionApi)}for(const e of t.getAttributeKeys()){const n={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};this.conversionApi.consumable.test(t,"attribute:"+n.attributeKey)&&this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,n){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=n;const o="addMarker:"+t,i=new Vr;if(i.add(e,o),this.conversionApi.consumable=i,this.fire(o,{markerName:t,markerRange:e},this.conversionApi),i.test(e,o)){this.conversionApi.consumable=this._createConsumableForRange(e,o);for(const n of e.getItems()){if(!this.conversionApi.consumable.test(n,o))continue;const i={item:n,range:Mr._createOn(n),markerName:t,markerRange:e};this.fire(o,i,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,n){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=n,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_createInsertConsumable(t){const e=new Vr;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 Vr;for(const o of t.getItems())n.add(o,e);return n}_createSelectionConsumable(t,e){const n=new Vr;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){if(!this.conversionApi.consumable.test(e.item,t))return;const n=e.item.name||"$text";this.fire(t+":"+n,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}}function Dr(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")}})}_n(Fr,fn);class Lr{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 Mr(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 Mr(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 Mr(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 Lr)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof Mr)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof Ir)this._setRanges([new Mr(t)]);else if(t instanceof Cr){const o=!!n&&!!n.backward;let i;if("in"==e)i=Mr._createIn(t);else if("on"==e)i=Mr._createOn(t);else{if(void 0===e)throw new sn.b("model-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",[this,t]);i=new Mr(Ir._createAt(t,e))}this._setRanges([i],o)}else{if(!Tn(t))throw new sn.b("model-selection-setTo-not-selectable: Cannot set the selection to the given place.",[this,t]);this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const n=(t=Array.from(t)).some(e=>{if(!(e instanceof Mr))throw new sn.b("model-selection-set-ranges-not-range: Selection range set to an object that is not an instance of model.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 sn.b("model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",[this,t]);const n=Ir._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 Mr(n,o)),this._lastRangeBackward=!0):(this._pushRange(new Mr(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(){if(1!==this.rangeCount)return null;const t=this.getFirstRange(),e=t.start.nodeAfter,n=t.end.nodeBefore;return e instanceof Sr&&e==n?e:null}is(t){return"selection"==t||"model:selection"==t}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=Hr(e.start,t);n&&qr(n,e)&&(yield n);for(const n of e.getWalker()){const o=n.item;"elementEnd"==n.type&&jr(o,t,e)&&(yield o)}const o=Hr(e.end,t);o&&!e.end.isTouching(Ir._createAt(o,0))&&qr(o,e)&&(yield o)}}containsEntireContent(t=this.anchor.root){const e=Ir._createAt(t,0),n=Ir._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new Mr(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++)if(t.isIntersecting(this._ranges[e]))throw new sn.b("model-selection-range-intersects: Trying to add a range that intersects with another range in the selection.",[this,t],{addedRange:t,intersectingRange:this._ranges[e]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function zr(t,e){return!e.has(t)&&(e.add(t),t.document.model.schema.isBlock(t)&&t.parent)}function jr(t,e,n){return zr(t,e)&&qr(t,n)}function Hr(t,e){const n=t.parent.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&&zr(t,e)));return o.forEach(t=>e.add(t)),r}function qr(t,e){const n=function(t){const e=t.document.model.schema;let n=t.parent;for(;n;){if(e.isBlock(n))return n;n=n.parent}}(t);return!n||!e.containsRange(Mr._createOn(n),!0)}_n(Lr,fn);class Wr extends Mr{constructor(t,e){super(t,e),Ur.call(this)}detach(){this.stopListening()}is(t){return"liveRange"==t||"model:liveRange"==t||super.is(t)}toRange(){return new Mr(this.start,this.end)}static fromRange(t){return new Wr(t.start,t.end)}}function Ur(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&$r.call(this,n)},{priority:"low"})}function $r(t){const e=this.getTransformedByOperation(t),n=Mr._createFromRanges(e),o=!n.isEqual(this),i=function(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return!1}(this,t);let r=null;if(o){"$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})}_n(Wr,fn);class Gr{constructor(t){this._selection=new Kr(t),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").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:")}}_n(Gr,fn);class Kr extends Lr{constructor(t){super(),this.markers=new go({idProperty:"name"}),this._model=t.model,this._document=t,this._attributePriority=new Map,this._fixGraveyardRangesData=[],this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this.listenTo(this._model,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&"marker"!=n.type&&"rename"!=n.type&&"noop"!=n.type){for(;this._fixGraveyardRangesData.length;){const{liveRange:t,sourcePosition:e}=this._fixGraveyardRangesData.shift();this._fixGraveyardSelection(t,e)}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 sn.b("document-selection-wrong-position: Range from document selection starts or ends at incorrect 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)}setFocus(t,e){super.setFocus(t,e),this._updateAttributes(!0)}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=ln();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new sn.b("document-selection-gravity-wrong-restore: Attempting to restore the selection gravity for an unknown UID.",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=Wr.fromRange(t);return e.on("change:range",(t,n,o)=>{this._hasChangedRange=!0,e.root==this._document.graveyard&&this._fixGraveyardRangesData.push({liveRange:e,sourcePosition:o.deletionPosition})}),e}_updateMarkers(){const t=[];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)}for(const e of t)this.markers.has(e)||this.markers.add(e);for(const e of Array.from(this.markers))t.includes(e)||this.markers.remove(e)}_updateAttributes(t){const e=xr(this._getSurroundingAttributes()),n=xr(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 e=t.textNode?t.textNode:t.nodeBefore,o=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(n=Jr(e)),n||(n=Jr(o)),!this.isGravityOverridden&&!n){let t=e;for(;t&&!n;)t=t.previousSibling,n=Jr(t)}if(!n){let t=o;for(;t&&!n;)t=t.nextSibling,n=Jr(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,e){const n=e.clone(),o=this._model.schema.getNearestSelectionRange(n),i=this._ranges.indexOf(t);if(this._ranges.splice(i,1),t.detach(),o){const t=this._prepareRange(o);this._ranges.splice(i,0,t)}}}function Jr(t){return t instanceof Pr||t instanceof Ar?t.getAttributes():null}class Yr{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers)t(e);return this}}var Xr=function(t){return tn(t,5)};class Qr extends Yr{elementToElement(t){return this.add(function(t){return(t=Xr(t)).view=ts(t.view,"container"),e=>{var n;e.on("insert:"+t.model,(n=t.view,(t,e,o)=>{const i=n(e.item,o.writer);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))}attributeToElement(t){return this.add(function(t){let e="attribute:"+((t=Xr(t)).model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=ts(t.view[e],"attribute");else t.view=ts(t.view,"attribute");const n=es(t);return o=>{o.on(e,function(t){return(e,n,o)=>{const i=t(n.attributeOldValue,o.writer),r=t(n.attributeNewValue,o.writer);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 Lr||n.item instanceof Gr)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=Xr(t)).model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=ns(t.view[e]);else t.view=ns(t.view);const n=es(t);return o=>{var i;o.on(e,(i=n,(t,e,n)=>{const o=i(e.attributeOldValue,e),r=i(e.attributeNewValue,e);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 sn.b("conversion-attribute-to-attribute-on-text: Trying to convert text node's attribute with attribute-to-attribute converter.",[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=Xr(t)).view=ts(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.writer);e.isOpening=!1;const r=n(e,o.writer);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,c=o.writer;c.insert(a.toViewPosition(s.start),i),o.mapper.bindElementToMarker(i,e.markerName),s.isCollapsed||(c.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 Lr||e.item instanceof Gr||e.item.is("textProxy")))return;const i=os(n,e,o);if(!i)return;if(!o.consumable.consume(e.item,t.name))return;const r=Zr(i),s=o.writer,a=s.document.selection;if(e.item instanceof Lr||e.item instanceof Gr)s.wrap(a.getFirstRange(),r,a);else{const t=o.mapper.toViewRange(e.range),n=s.wrap(t,r);for(const t of n.getItems())if(t.is("attributeElement")&&t.isSimilar(r)){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 Sr))return;const i=os(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 Mr._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=os(t,n,o);if(!i)return;const r=Zr(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))}}function Zr(t){const e=new po("span",t.attributes);return t.classes&&e._addClass(t.classes),t.priority&&(e._priority=t.priority),e._id=t.id,e}function ts(t,e){return"function"==typeof t?t:(n,o)=>function(t,e,n){"string"==typeof t&&(t={name:t});let o;const i=Object.assign({},t.attributes);if("container"==n)o=e.createContainerElement(t.name,i);else if("attribute"==n){const n={priority:t.priority||po.DEFAULT_PRIORITY};o=e.createAttributeElement(t.name,i,n)}else o=e.createUIElement(t.name,i);if(t.styles){const n=Object.keys(t.styles);for(const i of n)e.setStyle(i,t.styles[i],o)}if(t.classes){const n=t.classes;if("string"==typeof n)e.addClass(n,o);else for(const t of n)e.addClass(t,o)}return o}(t,o,e)}function es(t){return t.model.values?(e,n)=>{const o=t.view[e];return o?o(e,n):null}:t.view}function ns(t){return"string"==typeof t?e=>({key:t,value:e}):"object"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}function os(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}class is extends Yr{elementToElement(t){return this.add(rs(t))}elementToAttribute(t){return this.add(function(t){as(t=Xr(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){t=Xr(t);let e=null;("string"==typeof 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{const o=void 0===t.view.value?/[\s\S]*/:t.view.value;n={attributes:{[e]:o}}}t.view.name&&(n.name=t.view.name);return 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e=this.model.document,n=e.selection,o=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(e,"change",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(e.differ,o,t),this.downcastDispatcher.convertSelection(n,o,t)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(n,o)=>{const i=o.newSelection,r=new Lr,s=[];for(const t of i.getRanges())s.push(e.toModelRange(t));r.setTo(s,{backward:i.isBackward}),r.isEqual(t.document.selection)||t.change(t=>{t.setSelection(r)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(e.range.start),r=o.createText(e.item.data);o.insert(i,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(t,e,n)=>{const o=n.mapper.toViewPosition(e.position),i=e.position.getShiftedBy(e.length),r=n.mapper.toViewPosition(i,{isPhantom:!0}),s=n.writer.createRange(o,r),a=n.writer.remove(s.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(t)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const o=n.writer,i=o.document.selection;for(const t of i.getRanges())t.isCollapsed&&t.end.parent.document&&n.writer.mergeAttributes(t.start);o.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const o=e.selection;if(o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=[];for(const t of o.getRanges()){const e=n.mapper.toViewRange(t);i.push(e)}n.writer.setSelection(i,{backward:o.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const o=e.selection;if(!o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=n.writer,r=o.getFirstPosition(),s=n.mapper.toViewPosition(r),a=i.breakAttributes(s);i.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(t=>{if("$graveyard"==t.rootName)return null;const e=new ro(t.name);return e.rootName=t.rootName,e._document=this.view.document,this.mapper.bindElements(t,e),e})}destroy(){this.view.destroy(),this.stopListening()}}_n(ls,Yn);class ds{constructor(t,e=[]){this._editor=t,this._availablePlugins=new Map,this._plugins=new Map;for(const t of e)this._availablePlugins.set(t,t),t.pluginName&&this._availablePlugins.set(t.pluginName,t)}*[Symbol.iterator](){for(const t of this._plugins)"function"==typeof t[0]&&(yield t)}get(t){const e=this._plugins.get(t);if(!e){const 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n=this.get(t);if(!n)throw new sn.b("commandcollection-command-not-found: Command does not exist.",this,{commandName:t});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()}}function us(t,e){const n=Object.keys(window.CKEDITOR_TRANSLATIONS).length;return 1===n&&(t=Object.keys(window.CKEDITOR_TRANSLATIONS)[0]),0!==n&&function(t,e){return t in window.CKEDITOR_TRANSLATIONS&&e in window.CKEDITOR_TRANSLATIONS[t]}(t,e)?window.CKEDITOR_TRANSLATIONS[t][e].replace(/ \[context: [^\]]+\]$/,""):e.replace(/ \[context: [^\]]+\]$/,"")}window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={});const fs=["ar","fa","he","ku","ug"];class gs{constructor(t={}){this.uiLanguage=t.uiLanguage||"en",this.contentLanguage=t.contentLanguage||this.uiLanguage,this.uiLanguageDirection=ms(this.uiLanguage),this.contentLanguageDirection=ms(this.contentLanguage),this.t=(...t)=>this._t(...t)}get language(){return console.warn("locale-deprecated-language-property: The Locale#language property has been deprecated and will be removed in the near future. 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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 ps),t.is("text"))return e.add(t),e;t.is("element")&&e.add(t,ps.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const n of t.getChildren())e=ps.createFrom(n,e);return e}}class bs{constructor(){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=Vt(e)?e:[e],o=this._consumables[t];for(const e of n){if("attributes"===t&&("class"===e||"style"===e))throw new sn.b("viewconsumable-invalid-attribute: Classes and styles should be handled separately.",this);o.set(e,!0)}}_test(t,e){const n=Vt(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=Vt(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e)o.set(e,!1);else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const n=Vt(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 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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;if(t instanceof Ir)e=t.parent;else{e=(t instanceof Mr?[t]:Array.from(t.getRanges())).reduce((t,e)=>{const n=e.getCommonAncestor();return t?t.getCommonAncestor(n,{includeSelf:!0}):n},null)}for(;!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=[...t.getFirstPosition().getAncestors(),new Ar("",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 Mr(t);let n,o;"both"!=e&&"backward"!=e||(n=new Er({startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(o=new Er({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 Mr._createOn(o.item);if(this.checkChild(o.nextPosition,"$text"))return new Mr(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"))Rs(this,n,e);else{const t=Mr._createIn(n).getPositions();for(const n of t){Rs(this,n.nodeBefore||n.parent,e)}}}createContext(t){return new ks(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,n=Object.keys(e);for(const o of n)t[o]=_s(e[o],o);for(const e of n)vs(t,e);for(const e of n)ys(t,e);for(const e of n)xs(t,e),Cs(t,e);for(const e of n)As(t,e),Ps(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(Mr._createIn(i),e)),this.checkAttribute(i,e)||(n.isEqual(o)||(yield new Mr(n,o)),n=Ir._createAfter(i)),o=Ir._createAfter(i);n.isEqual(o)||(yield new Mr(n,o))}}_n(ws,Yn);class ks{constructor(t){if(t instanceof ks)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(Es)}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 ks([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)}}function _s(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),Ts(t,n,"allowIn"),Ts(t,n,"allowContentOf"),Ts(t,n,"allowWhere"),Ts(t,n,"allowAttributes"),Ts(t,n,"allowAttributesOf"),Ts(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 vs(t,e){for(const n of t[e].allowContentOf)if(t[n]){Ss(t,n).forEach(t=>{t.allowIn.push(e)})}delete t[e].allowContentOf}function ys(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 xs(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 Cs(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 As(t,e){const n=t[e],o=n.allowIn.filter(e=>t[e]);n.allowIn=Array.from(new Set(o))}function Ps(t,e){const n=t[e];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function Ts(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 Ss(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 Es(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 Rs(t,e,n){for(const o of e.getAttributeKeys())t.checkAttribute(e,o)||n.removeAttribute(o,e)}class Os{constructor(t={}){this._splitParts=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.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let n;for(const o of new ks(t)){const t={};for(const e of o.getAttributeKeys())t[e]=o.getAttribute(e);const i=e.createElement(o.name,t);n&&e.append(i,n),n=Ir._createAt(i,0)}return n}(n,e),this.conversionApi.writer=e,this.conversionApi.consumable=ps.createFrom(t),this.conversionApi.store={};const{modelRange:o}=this._convertItem(t,this._modelCursor),i=e.createDocumentFragment();if(o){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,i);i.markers=function(t,e){const n=new Set,o=new Map,i=Mr._createIn(t).getItems();for(const t of i)"$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 Mr(i.clone())),e.remove(t)}return o}(i,e)}return this._modelCursor=null,this._splitParts.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 Mr))throw new sn.b("view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.",this);return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(t,e){const n=new Mr(e);let o=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,o);t.modelRange instanceof Mr&&(n.end=t.modelRange.end,o=t.modelCursor)}return{modelRange:n,modelCursor:o}}_splitToAllowedParent(t,e){const n=this.conversionApi.schema.findAllowedParent(e,t);if(!n)return null;if(n===e.parent)return{position:e};if(this._modelCursor.parent.getAncestors().includes(n))return null;const o=this.conversionApi.writer.split(e,n),i=[];for(const t of o.range.getWalker())if("elementEnd"==t.type)i.push(t.item);else{const e=i.pop(),n=t.item;this._registerSplitPair(e,n)}return{position:o.position,cursorParent:o.range.end.parent}}_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()}}_n(Os,fn);class Is{constructor(t,e){this.model=t,this.processor=e,this.mapper=new Nr,this.downcastDispatcher=new Fr({mapper:this.mapper}),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(e.range.start),r=o.createText(e.item.data);o.insert(i,r)},{priority:"lowest"}),this.upcastDispatcher=new Os({schema:t.schema}),this.upcastDispatcher.on("text",(t,e,n)=>{if(n.schema.checkChild(e.modelCursor,"$text")&&n.consumable.consume(e.viewItem)){const t=n.writer.createText(e.viewItem.data);n.writer.insert(t,e.modelCursor),e.modelRange=Mr._createFromPositionAndShift(e.modelCursor,t.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.on("init",()=>{this.fire("ready")},{priority:"lowest"})}get(t){const{rootName:e="main",trim:n="empty"}=t||{};if(!this._checkIfRootsExists([e]))throw new sn.b("datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.",this);const o=this.model.document.getRoot(e);return"empty"!==n||this.model.hasContent(o,{ignoreWhitespaces:!0})?this.stringify(o):""}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){this.mapper.clearBindings();const e=Mr._createIn(t),n=new Mo,o=new No(new mo);if(this.mapper.bindElements(t,n),this.downcastDispatcher.convertInsert(e,o),!t.is("documentFragment")){const e=function(t){const e=[],n=t.root.document;if(!n)return[];const o=Mr._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 n}init(t){if(this.model.document.version)throw new sn.b("datacontroller-init-document-not-empty: Trying to set initial data to not empty document.",this);let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new sn.b("datacontroller-init-non-existent-root: Attempting to init data on a non-existing 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 sn.b("datacontroller-set-non-existent-root: Attempting to set data on a non-existing 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))}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t)if(!this.model.document.getRootNames().includes(e))return!1;return!0}}_n(Is,Yn);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 sn.b("conversion-add-alias-dispatcher-not-registered: Trying to register and alias for a dispatcher that nas not been registered.",this);this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:n})}for(t){if(!this._helpers.has(t))throw new sn.b("conversion-for-unknown-group: Trying to add a converter to an unknown dispatchers group.",this);return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:n}of Ns(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 Ns(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 Ns(t))this.for("upcast").attributeToAttribute({view:n,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t))throw new sn.b("conversion-group-exists: Trying to register a group name that has already been registered.",this);const o=n?new Qr(e):new is(e);this._helpers.set(t,o)}}function*Ns(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*Vs(n,o,i)}else yield*Vs(t.model,t.view,t.upcastAlso)}function*Vs(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 Bs{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 Fs{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 Tr,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(Sr.fromJSON(n)):e.push(Ar.fromJSON(n));return new Ds(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if("string"==typeof t)return[new Ar(t)];Tn(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new Ar(t):t instanceof Pr?new Ar(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=Hs(e)).reduce((t,e)=>t+e.offsetSize,0),o=t.parent;Ws(t);const i=t.index;return o._insertChild(i,e),qs(o,i+e.length),qs(o,i),new Mr(t,t.getShiftedBy(n))}function zs(t){if(!t.isFlat)throw new sn.b("operation-utils-remove-range-not-flat: Trying to remove a range which starts and ends in different element.",this);const e=t.start.parent;Ws(t.start),Ws(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);return qs(e,t.start.index),n}function js(t,e){if(!t.isFlat)throw new sn.b("operation-utils-move-range-not-flat: Trying to move a range which starts and ends in different element.",this);const n=zs(t);return Ls(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),n)}function Hs(t){const e=[];t instanceof Array||(t=[t]);for(let n=0;n<t.length;n++)if("string"==typeof t[n])e.push(new Ar(t[n]));else if(t[n]instanceof Pr)e.push(new Ar(t[n].data,t[n].getAttributes()));else if(t[n]instanceof Ds||t[n]instanceof Tr)for(const o of t[n])e.push(o);else t[n]instanceof Cr&&e.push(t[n]);for(let t=1;t<e.length;t++){const n=e[t],o=e[t-1];n instanceof Ar&&o instanceof Ar&&Us(n,o)&&(e.splice(t-1,2,new Ar(o.data+n.data,o.getAttributes())),t--)}return e}function qs(t,e){const n=t.getChild(e-1),o=t.getChild(e);if(n&&o&&n.is("text")&&o.is("text")&&Us(n,o)){const i=new Ar(n.data+o.data,n.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,i)}}function Ws(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 Ar(e.data.substr(0,o),e.getAttributes()),s=new Ar(e.data.substr(o),e.getAttributes());n._insertChild(i,[r,s])}}function Us(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 $s=function(t,e){return Di(t,e)};class Gs extends Fs{constructor(t,e,n,o,i){super(i),this.range=t.clone(),this.key=e,this.oldValue=void 0===n?null:n,this.newValue=void 0===o?null:o}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new Gs(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Gs(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const t=super.toJSON();return t.range=this.range.toJSON(),t}_validate(){if(!this.range.isFlat)throw new sn.b("attribute-operation-range-not-flat: The range to change is not flat.",this);for(const t of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!$s(t.getAttribute(this.key),this.oldValue))throw new sn.b("attribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{item:t,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&t.hasAttribute(this.key))throw new sn.b("attribute-operation-attribute-exists: The attribute with given key already exists.",this,{node:t,key:this.key})}}_execute(){$s(this.oldValue,this.newValue)||function(t,e,n){Ws(t.start),Ws(t.end);for(const o of t.getItems({shallow:!0})){const t=o.is("textProxy")?o.textNode:o;null!==n?t._setAttribute(e,n):t._removeAttribute(e),qs(t.parent,t.index)}qs(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(t,e){return new Gs(Mr.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class Ks extends Fs{constructor(t,e){super(null),this.sourcePosition=t.clone(),this.howMany=e}get type(){return"detach"}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t}_validate(){if(this.sourcePosition.root.document)throw new sn.b("detach-operation-on-document-node: Cannot detach document node.",this)}_execute(){zs(Mr._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class Js extends Fs{constructor(t,e,n,o){super(o),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toNext",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$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 sn.b("move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.",this);if(t===e&&n<o&&o<n+this.howMany)throw new sn.b("move-operation-range-into-itself: Trying to move a range of nodes to the inside of that range.",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==vn(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 sn.b("move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.",this)}}_execute(){js(Mr._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=Ir.fromJSON(t.sourcePosition,e),o=Ir.fromJSON(t.targetPosition,e);return new this(n,t.howMany,o,t.baseVersion)}}class Ys extends Fs{constructor(t,e,n){super(n),this.position=t.clone(),this.position.stickiness="toNone",this.nodes=new Tr(Hs(e)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const t=new Tr([...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 Ir(t,[0]);return new Js(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new sn.b("insert-operation-position-invalid: Insertion position is invalid.",this)}_execute(){const t=this.nodes;this.nodes=new Tr([...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(Sr.fromJSON(e)):n.push(Ar.fromJSON(e));const o=new Ys(Ir.fromJSON(t.position,e),n,t.baseVersion);return o.shouldReceiveAttributes=t.shouldReceiveAttributes,o}}class Xs extends Fs{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 Xs(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new Xs(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 Xs(t.name,t.oldRange?Mr.fromJSON(t.oldRange,e):null,t.newRange?Mr.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class Qs extends Fs{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 Qs(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new Qs(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof Sr))throw new sn.b("rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.",this);if(t.name!==this.oldName)throw new sn.b("rename-operation-wrong-name: Element to change has different name than operation's old 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 Qs(Ir.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class Zs extends Fs{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 Zs(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Zs(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new sn.b("rootattribute-operation-not-a-root: The element to change is not a root element.",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new sn.b("rootattribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new sn.b("rootattribute-operation-attribute-exists: The attribute with given key already 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 sn.b("rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.",this,{rootName:t.root});return new Zs(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class ta extends Fs{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 Ir(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Mr(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 Ir(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),o=new ea(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 sn.b("merge-operation-source-position-invalid: Merge source position is invalid.",this);if(!e.parent)throw new sn.b("merge-operation-target-position-invalid: Merge target position is invalid.",this);if(this.howMany!=t.maxOffset)throw new sn.b("merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.",this)}_execute(){const t=this.sourcePosition.parent;js(Mr._createIn(t),this.targetPosition),js(Mr._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=Ir.fromJSON(t.sourcePosition,e),o=Ir.fromJSON(t.targetPosition,e),i=Ir.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,o,i,t.baseVersion)}}class ea extends Fs{constructor(t,e,n,o){super(o),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=ea.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 Ir(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Mr(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 Ir(t,[0]);return new ta(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 sn.b("split-operation-position-invalid: Split position is invalid.",this);if(!t.parent)throw new sn.b("split-operation-split-in-root: Cannot split root element.",this);if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new sn.b("split-operation-how-many-invalid: Split operation specifies wrong number of nodes to move.",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new sn.b("split-operation-graveyard-position-invalid: Graveyard position invalid.",this)}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)js(Mr._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();Ls(this.insertionPosition,e)}js(new Mr(Ir._createAt(t,this.splitPosition.offset),Ir._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 Ir(t.root,e)}static fromJSON(t,e){const n=Ir.fromJSON(t.splitPosition,e),o=Ir.fromJSON(t.insertionPosition,e),i=t.graveyardPosition?Ir.fromJSON(t.graveyardPosition,e):null,r=new this(n,t.howMany,i,t.baseVersion);return r.insertionPosition=o,r}}class na extends Sr{constructor(t,e,n="main"){super(e),this._doc=t,this.rootName=n}get document(){return this._doc}is(t,e){const n=t.replace("model:","");return e?"rootElement"==n&&e==this.name||super.is(t,e):"rootElement"==n||super.is(t)}toJSON(){return this.rootName}}class oa{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new Ar(t,e)}createElement(t,e){return new Sr(t,e)}createDocumentFragment(){return new Ds}insert(t,e,n=0){if(this._assertWriterUsedCorrectly(),t instanceof Ar&&""==t.data)return;const o=Ir._createAt(e,n);if(t.parent){if(ca(t.root,o.root))return void this.move(Mr._createOn(t),o);if(t.root.document)throw new sn.b("model-writer-insert-forbidden-move: Cannot move a node from a document to a different tree. It is forbidden to move a node that was already in a document outside of it.",this);this.remove(t)}const i=o.root.document?o.root.document.version:null,r=new Ys(o,t,i);if(t instanceof Ar&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof Ds)for(const[e,n]of t.markers){const t=Ir._createAt(n.root,0),i={range:new Mr(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 Sr||e instanceof Ir?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 Sr||e instanceof Ir?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 Sr?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),n,"end")}appendElement(t,e,n){e instanceof Ds||e instanceof Sr?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),n,"end")}setAttribute(t,e,n){if(this._assertWriterUsedCorrectly(),n instanceof Mr){const o=n.getMinimalFlatRanges();for(const n of o)ia(this,t,e,n)}else ra(this,t,e,n)}setAttributes(t,e){for(const[n,o]of xr(t))this.setAttribute(n,o,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof Mr){const n=e.getMinimalFlatRanges();for(const e of n)ia(this,t,null,e)}else ra(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof Mr)for(const n of t.getItems())e(n);else e(t)}move(t,e,n){if(this._assertWriterUsedCorrectly(),!(t instanceof Mr))throw new sn.b("writer-move-invalid-range: Invalid range to move.",this);if(!t.isFlat)throw new sn.b("writer-move-range-not-flat: Range to move is not flat.",this);const o=Ir._createAt(e,n);if(o.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!ca(t.root,o.root))throw new sn.b("writer-move-different-document: Range is going to be moved between different documents.",this);const i=t.root.document?t.root.document.version:null,r=new Js(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 Mr?t:Mr._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers("move",t),aa(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 Sr))throw new sn.b("writer-merge-no-element-before: Node before merge position must be an element.",this);if(!(n instanceof Sr))throw new sn.b("writer-merge-no-element-after: Node after merge position must be an element.",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(Mr._createIn(n),Ir._createAt(e,"end")),this.remove(n)}_merge(t){const e=Ir._createAt(t.nodeBefore,"end"),n=Ir._createAt(t.nodeAfter,0),o=t.root.document.graveyard,i=new Ir(o,[0]),r=t.root.document.version,s=new ta(n,t.nodeAfter.maxOffset,e,i,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof Sr))throw new sn.b("writer-rename-not-element-instance: Trying to rename an object which is not an instance of Element.",this);const n=t.root.document?t.root.document.version:null,o=new Qs(Ir._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 sn.b("writer-split-element-no-parent: Element with no parent can not be split.",this);if(e||(e=i.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new sn.b("writer-split-invalid-limit-element: Limit element is not a position ancestor.",this);do{const e=i.root.document?i.root.document.version:null,r=i.maxOffset-t.offset,s=new ea(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 Mr(Ir._createAt(n,"end"),Ir._createAt(o,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new sn.b("writer-wrap-range-not-flat: Range to wrap is not flat.",this);const n=e instanceof Sr?e:new Sr(e);if(n.childCount>0)throw new sn.b("writer-wrap-element-not-empty: Element to wrap with is not empty.",this);if(null!==n.parent)throw new sn.b("writer-wrap-element-attached: Element to wrap with is already attached to tree model.",this);this.insert(n,t.start);const o=new Mr(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(o,Ir._createAt(n,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new sn.b("writer-unwrap-element-no-parent: Trying to unwrap an element which has no parent.",this);this.move(Mr._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||"boolean"!=typeof e.usingOperation)throw new sn.b("writer-addMarker-no-usingOperation: The options.usingOperation parameter is required when adding a new marker.",this);const n=e.usingOperation,o=e.range,i=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new sn.b("writer-addMarker-marker-exists: Marker with provided name already exists.",this);if(!o)throw new sn.b("writer-addMarker-no-range: Range parameter is required when adding a new marker.",this);return n?(sa(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 sn.b("writer-updateMarker-marker-not-exists: Marker with provided name does 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 sn.b("writer-updateMarker-wrong-options: One of the options is required - provide range, usingOperations or affectsData.",this);const a=o.getRange(),c=e.range?e.range:a;i&&e.usingOperation!==o.managedUsingOperations?e.usingOperation?sa(this,n,null,c,s):(sa(this,n,a,null,s),this.model.markers._set(n,c,void 0,s)):o.managedUsingOperations?sa(this,n,a,c,s):this.model.markers._set(n,c,void 0,s)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new sn.b("writer-removeMarker-no-marker: Trying to remove marker which does not exist.",this);const n=this.model.markers.get(e);n.managedUsingOperations?sa(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 xr(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=Gr._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=Gr._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new sn.b("writer-incorrect-use: Trying to use a writer outside the change() block.",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,c=o.start.nodeAfter==n;i=r||s||a||c}i&&this.updateMarker(n.name,{range:o})}}}function ia(t,e,n,o){const i=t.model,r=i.document;let s,a,c,l=o.start;for(const t of o.getWalker({shallow:!0}))c=t.item.getAttribute(e),s&&a!=c&&(a!=n&&d(),l=s),s=t.nextPosition,a=c;function d(){const o=new Mr(l,s),c=o.root.document?r.version:null,d=new Gs(o,e,a,n,c);t.batch.addOperation(d),i.applyOperation(d)}s instanceof Ir&&s!=l&&a!=n&&d()}function ra(t,e,n,o){const i=t.model,r=i.document,s=o.getAttribute(e);let a,c;if(s!=n){if(o.root===o){const t=o.document?r.version:null;c=new Zs(o,e,s,n,t)}else{a=new Mr(Ir._createBefore(o),t.createPositionAfter(o));const i=a.root.document?r.version:null;c=new Gs(a,e,s,n,i)}t.batch.addOperation(c),i.applyOperation(c)}}function sa(t,e,n,o,i){const r=t.model,s=r.document,a=new Xs(e,n,o,r.markers,i,s.version);t.batch.addOperation(a),r.applyOperation(a)}function aa(t,e,n,o){let i;if(t.root.document){const n=o.document,r=new Ir(n.graveyard,[0]);i=new Js(t,e,r,n.version)}else i=new Ks(t,e);n.addOperation(i),o.applyOperation(i)}function ca(t,e){return t===e||t instanceof na&&e instanceof na}class la{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=Mr._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=Mr._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=da(t.getChildren()),r=ha(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 c;if("$text"==i[s].name)c=new Mr(Ir._createAt(t,s),Ir._createAt(t,s+1));else{const e=t.offsetToIndex(s);c=new Mr(Ir._createAt(t,s),Ir._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(c,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(ua),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,da(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:Ir._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:"remove",position:Ir._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 Mr(Ir._createAt(t,e),Ir._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 da(t){const e=[];for(const n of t)if(n.is("text"))for(let t=0;t<n.data.length;t++)e.push({name:"$text",attributes:new Map(n.getAttributes())});else e.push({name:n.name,attributes:new Map(n.getAttributes())});return e}function ha(t,e){const n=[];let o=0,i=0;for(const t of e){if(t.offset>o){for(let e=0;e<t.offset-o;e++)n.push("e");i+=t.offset-o}if("insert"==t.type){for(let e=0;e<t.howMany;e++)n.push("i");o=t.offset+t.howMany}else if("remove"==t.type){for(let e=0;e<t.howMany;e++)n.push("r");o=t.offset,i+=t.howMany}else n.push(..."a".repeat(t.howMany).split("")),o=t.offset+t.howMany,i+=t.howMany}if(i<t)for(let e=0;e<t-i-o;e++)n.push("e");return n}function ua(t){const e=t.position&&"$graveyard"==t.position.root.rootName,n=t.range&&"$graveyard"==t.range.root.rootName;return!e&&!n}class fa{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=0,e=Number.POSITIVE_INFINITY){return t<0?[]:this._operations.slice(t,e)}getOperation(t){return this._operations[t]}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function ga(t,e){return!!(n=t.charAt(e-1))&&1==n.length&&/[\ud800-\udbff]/.test(n)&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e));var n}function ma(t,e){return!!(n=t.charAt(e))&&1==n.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(n);var n}class pa{constructor(t){this.model=t,this.version=0,this.history=new fa(this),this.selection=new Gr(this),this.roots=new go({idProperty:"rootName"}),this.differ=new la(t.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root","$graveyard"),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new sn.b("model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.",this,{operation:n})},{priority:"highest"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&this.differ.bufferOperation(n)},{priority:"high"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(t.markers,"update",(t,e,n,o)=>{this.differ.bufferMarkerChange(e.name,n,o,e.affectsData),null===n&&e.on("change",(t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)})})}get graveyard(){return this.getRoot("$graveyard")}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new sn.b("model-document-createRoot-name-exists: Root with specified name already exists.",this,{name:e});const n=new na(this,t,e);return this.roots.add(n),n}destroy(){this.selection.destroy(),this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,t=>t.rootName).filter(t=>"$graveyard"!=t)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=yn(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 ba(t.start)&&ba(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 ba(t){const e=t.textNode;if(e){const n=e.data,o=t.offset-e.startOffset;return!ga(n,o)&&!ma(n,o)}return!0}_n(pa,fn);class wa{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 ka?t.name:t,r=this._markers.get(i);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(Wr.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=Wr.fromRange(e),a=new ka(i,s,n,o);return this._markers.set(i,a),this.fire("update:"+i,a,null,e),a}_remove(t){const e=t instanceof ka?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 ka?t.name:t,n=this._markers.get(e);if(!n)throw new sn.b("markercollection-refresh-marker-not-exists: Marker with provided name does 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()}}_n(wa,fn);class ka{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 sn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new sn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._affectsData}getStart(){if(!this._liveRange)throw new sn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new sn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new sn.b("marker-destroyed: Cannot use a destroyed marker instance.",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}}_n(ka,fn);class _a extends Ir{constructor(t,e,n="toNone"){if(super(t,e,n),!this.root.is("rootElement"))throw new sn.b("model-liveposition-root-not-rootelement: LivePosition's root has to be an instance of RootElement.",t);va.call(this)}detach(){this.stopListening()}is(t){return"livePosition"==t||"model:livePosition"==t||super.is(t)}toPosition(){return new Ir(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}function va(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&ya.call(this,n)},{priority:"low"})}function ya(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)}}_n(_a,fn);class xa{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?Mr._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new Mr(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(t,e){if(this.schema.isObject(t))return void 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 sn.b("insertcontent-wrong-position: Given node cannot be inserted on the given position.",this,{node:t,position:this.position});const e=_a.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=_a.fromPosition(t,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=_a.fromPosition(t,"toNext"))}_mergeSiblingsOf(t,e){if(!(t instanceof Sr))return;const n=this._canMergeLeft(t,e),o=this._canMergeRight(t,e),i=_a._createBefore(t);i.stickiness="toNext";const r=_a._createAfter(t);if(r.stickiness="toNext",n){const t=_a.fromPosition(this.position);t.stickiness="toNext",this._affectedStart.isEqual(i)&&(this._affectedStart.detach(),this._affectedStart=_a._createAt(i.nodeBefore,"end","toPrevious")),this.writer.merge(i),i.isEqual(this._affectedEnd)&&e.isLast&&(this._affectedEnd.detach(),this._affectedEnd=_a._createAt(i.nodeBefore,"end","toNext")),this.position=t.toPosition(),t.detach()}if(o){if(!this.position.isEqual(r))throw new sn.b("insertcontent-invalid-insertion-position",this);this.position=Ir._createAt(r.nodeBefore,"end");const t=_a.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(r)&&(this._affectedEnd.detach(),this._affectedEnd=_a._createAt(r.nodeBefore,"end","toNext")),this.writer.merge(r),r.getShiftedBy(-1).isEqual(this._affectedStart)&&e.isFirst&&(this._affectedStart.detach(),this._affectedStart=_a._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 Sr&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(n,t)}_canMergeRight(t,e){const n=t.nextSibling;return e.isLast&&n instanceof Sr&&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 Ca(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();if(o.start.parent==o.end.parent)return!1;return 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=o.start,s=_a.fromPosition(o.end,"toNext");if(o.start.isTouching(o.end)||t.remove(o),n.leaveUnmerged||(!function t(e,n,o){const i=n.parent,r=o.parent;if(i==r)return;if(e.model.schema.isLimit(i)||e.model.schema.isLimit(r))return;if(!function(t,e,n){const o=new Mr(t,e);for(const t of o.getWalker())if(n.isLimit(t.item))return!1;return!0}(n,o,e.model.schema))return;n=e.createPositionAfter(i),(o=e.createPositionBefore(r)).isEqual(n)||e.insert(r,n);e.merge(n);for(;o.parent.isEmpty;){const t=o.parent;o=e.createPositionBefore(t),e.remove(t)}t(e,n,o)}(t,r,s),i.removeDisallowedAttributes(r.parent.getChildren(),t)),Pa(t,e,r),function(t,e){const n=t.checkChild(e,"$text"),o=t.checkChild(e,"paragraph");return!n&&o}(i,r)){const o=i.getNearestSelectionRange(r);n.doNotAutoparagraph&&o?Pa(t,e,o):Aa(t,r,e)}s.detach()})}function Aa(t,e,n){const o=t.createElement("paragraph");t.insert(o,e),Pa(t,n,t.createPositionAt(o,0))}function Pa(t,e,n){e instanceof Gr?t.setSelection(n):e.setTo(n)}function Ta(t,e){if("text"==e.type)return"word"===t.unit?function(t,e){let n=t.position.textNode;if(n){let o=t.position.offset-n.startOffset;for(;!Ea(n.data,o,e)&&!Ra(n,o,e);){t.next();const i=e?t.position.nodeAfter:t.position.nodeBefore;if(i&&i.is("text")){const o=i.data.charAt(e?0:i.data.length-1);' ,.?!:;"-()'.includes(o)||(t.next(),n=t.position.textNode)}o=t.position.offset-n.startOffset}}return t.position}(t.walker,t.isForward):function(t,e){const n=t.position.textNode;if(n){const o=n.data;let i=t.position.offset-n.startOffset;for(;ga(o,i)||"character"==e&&ma(o,i);)t.next(),i=t.position.offset-n.startOffset}return t.position}(t.walker,t.unit,t.isForward);if(e.type==(t.isForward?"elementStart":"elementEnd")){if(t.schema.isObject(e.item))return Ir._createAt(e.item,t.isForward?"after":"before");if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}else{if(t.schema.isLimit(e.item))return void t.walker.skip(()=>!0);if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}}function Sa(t,e){const n=t.root,o=Ir._createAt(n,e?"end":0);return e?new Mr(t,o):new Mr(o,t)}function Ea(t,e,n){const o=e+(n?0:-1);return' ,.?!:;"-()'.includes(t.charAt(o))}function Ra(t,e,n){return e===(n?t.endOffset:0)}function Oa(t,e){const n=[];Array.from(t.getItems({direction:"backward"})).map(t=>e.createRangeOn(t)).filter(e=>(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end))).forEach(t=>{n.push(t.start.parent),e.remove(t)}),n.forEach(t=>{let n=t;for(;n.parent&&n.isEmpty;){const t=e.createRangeOn(n);n=n.parent,e.remove(t)}})}function 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u,f;if(o)if(i){const t=o.getIntersection(i);u=t?t.getIntersectionArea(h):0}else u=o.getIntersectionArea(h);function g(){c=f,a=u,r=h,s=d}return i&&(f=i.getIntersectionArea(h)),i&&!o?f>c&&g():!i&&o?u>a&&g():f>c&&u>=a?g():f>=c&&u>a&&g(),u===l}),r?[s,r]:null}(n,a,s,t,e)||hc(n[0],a,s)}else[l,c]=hc(n[0],a,s);let{left:d,top:h}=uc(c);if(r){const t=uc(new lr(r)),e=ar(r);d-=t.left,h-=t.top,d+=r.scrollLeft,h+=r.scrollTop,d-=e.left,h-=e.top}return{left:d,top:h,name:l}}function hc(t,e,n){const{left:o,top:i,name:r}=t(e,n);return[r,n.clone().moveTo(o,i)]}function uc({left:t,top:e}){const{scrollX:n,scrollY:o}=li.window;return{left:t+n,top:e+o}}function fc(t){return e=>e+t}_n(lc,wi),_n(lc,Yn);n(15);const gc=fc("px"),mc=li.document.body;class pc extends lc{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",e.to("position",t=>`ck-balloon-panel_${t}`),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("class")],style:{top:e.to("top",gc),left:e.to("left",gc)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=pc.defaultPositions,n=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthWest,e.northArrowSouthEast],limiter:mc,fitInViewport:!0},t),o=pc._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=bc(t.target),n=t.limiter?bc(t.limiter):mc;this.listenTo(li.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(li.window,"resize",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(li.document,"scroll"),this.stopListening(li.window,"resize")}}function bc(t){return nn(t)?t:sr(t)?t.commonAncestorContainer:"function"==typeof t?bc(t()):null}function wc(t,e){return t.top-e.height-pc.arrowVerticalOffset}function kc(t){return t.bottom+pc.arrowVerticalOffset}pc.arrowHorizontalOffset=25,pc.arrowVerticalOffset=10,pc._getOptimalPosition=dc,pc.defaultPositions={northArrowSouth:(t,e)=>({top:wc(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthEast:(t,e)=>({top:wc(t,e),left:t.left+t.width/2-e.width+pc.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:wc(t,e),left:t.left+t.width/2-pc.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouth:(t,e)=>({top:wc(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthWest:(t,e)=>({top:wc(t,e),left:t.left-pc.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthEast:(t,e)=>({top:wc(t,e),left:t.left-e.width+pc.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouth:(t,e)=>({top:wc(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthEast:(t,e)=>({top:wc(t,e),left:t.right-e.width+pc.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:wc(t,e),left:t.right-pc.arrowHorizontalOffset,name:"arrow_sw"}),southArrowNorth:(t,e)=>({top:kc(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthEast:(t,e)=>({top:kc(t),left:t.left+t.width/2-e.width+pc.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:kc(t),left:t.left+t.width/2-pc.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorth:(t,e)=>({top:kc(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthWest:(t,e)=>({top:kc(t),left:t.left-pc.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthEast:(t,e)=>({top:kc(t),left:t.left-e.width+pc.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorth:(t,e)=>({top:kc(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthEast:(t,e)=>({top:kc(t),left:t.right-e.width+pc.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:kc(t),left:t.right-pc.arrowHorizontalOffset,name:"arrow_nw"})};n(17);class _c extends lc{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(19);class vc extends lc{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(21);class yc extends lc{constructor(t){super(t);const e=this.bindTemplate,n=ln();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 _c,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_${n}`,"aria-disabled":e.if("isEnabled",!0,t=>!t),"aria-pressed":e.to("isOn",t=>!!this.isToggleable&&String(t))},children:this.children,on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(t=>{this.isEnabled?this.fire("execute"):t.preventDefault()})}})}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.tooltipView),this.children.add(this.labelView),this.withKeystroke&&this.children.add(this.keystrokeView)}focus(){this.element.focus()}_createTooltipView(){const t=new vc;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new lc,n=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:n.to("labelStyle"),id:`ck-editor__aria-label_${t}`},children:[{text:this.bindTemplate.to("label")}]}),e}_createKeystrokeView(){const t=new lc;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",t=>So(t))}]}),t}_getTooltipString(t,e,n){return t?"string"==typeof t?t:(n&&(n=So(n)),t instanceof Function?t(e,n):`${e}${n?` (${n})`:""}`):""}}class xc{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 sn.b("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)}}_n(xc,wi),_n(xc,Yn);n(23),n(25);const Cc=fc("px");class Ac extends Ha{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 pc(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 sn.b("contextualballoon-add-view-exist: Cannot add configuration of the same view twice.",[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 sn.b("contextualballoon-remove-view-not-exist: Cannot remove the configuration of a non-existent view.",[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 sn.b("contextualballoon-showstack-stack-not-exist: Cannot show a stack that does 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 Pc(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("bq",[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 Tc(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 Pc extends lc{constructor(t){super(t);const e=t.t,n=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new xc,this.buttonPrevView=this._createButtonView(e("br"),'<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>\n'),this.buttonNextView=this._createButtonView(e("bs"),'<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>\n'),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 yc(this.locale);return n.set({label:t,icon:e,tooltip:!0}),n}}class Tc extends lc{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",Cc),left:n.to("left",Cc),width:n.to("width",Cc),height:n.to("height",Cc)}},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 lc;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 lr(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:n,height:o})}}}class Sc{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(Ec)||null}get last(){return this.focusables.filter(Ec).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(Ec(e))return e;o=(o+n+t)%n}while(o!==e);return null}}function Ec(t){return!(!t.focus||"none"==li.window.getComputedStyle(t.element).display)}class Rc extends lc{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class Oc{constructor(t){this._callback=t,this._elements=new Set,this._previousRects=new Map,this._periodicCheckTimeout=null}observe(t){this._elements.add(t),1===this._elements.size&&this._startPeriodicCheck()}unobserve(t){this._elements.delete(t),this._previousRects.delete(t),this._elements.size||this._stopPeriodicCheck()}disconnect(){this._elements.forEach(t=>this.unobserve(t))}_startPeriodicCheck(){const t=()=>{this._checkElementRectsAndExecuteCallback(),this._periodicCheckTimeout=setTimeout(t,100)};this.listenTo(li.window,"resize",()=>{this._checkElementRectsAndExecuteCallback()}),t()}_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 lr(t),n=this._previousRects.get(t),o=!n||!n.isEqual(e);return this._previousRects.set(t,e),o}}_n(Oc,wi);class Ic extends lc{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()}}}n(27);class Mc extends lc{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("panelPosition","auto"),this.focusTracker=new xc,this.keystrokes=new Fa,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",o.to("class"),o.if("isEnabled","ck-disabled",t=>!t)]},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=Mc._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),this.focusTracker.add(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}=Mc.defaultPanelPositions;return"ltr"===this.locale.uiLanguageDirection?[t,e,n,o]:[e,t,o,n]}}Mc.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"})},Mc._getOptimalPosition=dc;class Nc extends yc{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 _c;return t.content='<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>',t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}n(29);class Vc extends lc{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new xc,this.keystrokes=new Fa,this._focusCycler=new Sc({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 Bc extends lc{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 Fc extends lc{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}n(31);class Dc extends yc{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 lc;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),t}}function Lc({emitter:t,activator:e,callback:n,contextElements:o}){t.listenTo(document,"mousedown",(t,{target:i})=>{if(e()){for(const t of o)if(t.contains(i))return;n()}})}n(33),n(35);function zc(t,e=Nc){const n=new e(t),o=new Ic(t),i=new Mc(t,n,o);return n.bind("isEnabled").to(i),n instanceof Nc?n.bind("isOn").to(i,"isOpen"):n.arrowView.bind("isOn").to(i,"isOpen"),function(t){(function(t){t.on("render",()=>{Lc({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})})})(t),function(t){t.on("execute",e=>{e.source instanceof Dc||(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 jc(t,e){const n=t.locale,o=n.t,i=t.toolbarView=new qc(n);i.set("ariaLabel",o("bb")),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 Hc(t,e){const n=t.locale,o=t.listView=new Vc(n);o.items.bindTo(e).using(({type:t,model:e})=>{if("separator"===t)return new Fc(n);if("button"===t||"switchbutton"===t){const o=new Bc(n);let i;return i="button"===t?new yc(n):new Dc(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(37);class qc extends lc{constructor(t,e){super(t);const n=this.bindTemplate,o=this.t;var i;this.options=e||{},this.set("ariaLabel",o("bo")),this.items=this.createCollection(),this.focusTracker=new xc,this.keystrokes=new Fa,this.set("class"),this.itemsView=new Wc(t),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection(),this._focusCycler=new Sc({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")],role:"toolbar","aria-label":n.to("ariaLabel")},children:this.children,on:{mousedown:(i=this,i.bindTemplate.to(t=>{t.target===i.element&&t.preventDefault()}))}}),this._behavior=this.options.shouldGroupWhenFull?new $c(this):new Uc(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){t.map(t=>{"|"==t?this.items.add(new Rc):e.has(t)?this.items.add(e.create(t)):console.warn(Object(sn.a)("toolbarview-item-unavailable: The requested toolbar item is unavailable."),{name:t})})}}class Wc extends lc{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class Uc{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 $c{constructor(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,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("add",(t,e,n)=>{n>this.ungroupedItems.length?this.groupedItems.add(e,n-this.ungroupedItems.length):this.ungroupedItems.add(e,n),this._updateGrouping()}),t.items.on("remove",(t,e,n)=>{n>this.ungroupedItems.length?this.groupedItems.remove(e):this.ungroupedItems.remove(e),this._updateGrouping()}),t.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(t){this.viewElement=t.element,this._enableGroupingOnResize()}destroy(){this.groupedItemsDropdown.destroy(),this.resizeObserver.disconnect()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement))return;let t;for(;this._areItemsOverflowing;)this._groupLastItem(),t=!0;if(!t&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const t=this.viewElement,e=this.viewLocale.uiLanguageDirection,n=new lr(t.lastChild),o=new lr(t);if(!this.cachedPadding){const n=li.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;var e;this.resizeObserver=(e=([e])=>{t&&t===e.contentRect.width||(this._updateGrouping(),t=e.contentRect.width)},"function"==typeof li.window.ResizeObserver?new li.window.ResizeObserver(e):new Oc(e)),this.resizeObserver.observe(this.viewElement),this._updateGrouping()}_groupLastItem(){this.groupedItems.length||(this.viewChildren.add(new Rc),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=zc(t);return n.class="ck-toolbar__grouped-dropdown",n.panelPosition="ltr"===t.uiLanguageDirection?"sw":"se",jc(n,[]),n.buttonView.set({label:e("bp"),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'}),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 Gc extends Ha{static get pluginName(){return"BalloonToolbar"}static get requires(){return[Ac]}constructor(t){super(t),this.toolbarView=this._createToolbarView(),this.focusTracker=new xc,t.ui.once("ready",()=>{this.focusTracker.add(t.ui.getEditableElement()),this.focusTracker.add(this.toolbarView.element)}),this._balloon=t.plugins.get(Ac),this._fireSelectionChangeDebounced=tr(()=>this.fire("_selectionChangeDebounced"),200),this.decorate("show")}init(){const t=this.editor.model.document.selection;this.listenTo(this.focusTracker,"change:isFocused",(t,e,n)=>{const o=this._balloon.visibleView===this.toolbarView;!n&&o?this.hide():n&&this.show()}),this.listenTo(t,"change:range",(e,n)=>{(n.directChange||t.isCollapsed)&&this.hide(),this._fireSelectionChangeDebounced()}),this.listenTo(this,"_selectionChangeDebounced",()=>{this.editor.editing.view.document.isFocused&&this.show()})}afterInit(){const t=function(t){return Array.isArray(t)?{items:t}:t?Object.assign({items:[]},t):{items:[]}}(this.editor.config.get("balloonToolbar")),e=this.editor.ui.componentFactory;this.toolbarView.fillFromConfig(t.items,e)}_createToolbarView(){const t=new qc(this.editor.locale);return t.extendTemplate({attributes:{class:["ck-toolbar_floating"]}}),t.render(),t}show(){const t=this.editor;this._balloon.hasView(this.toolbarView)||t.model.document.selection.isCollapsed||Array.from(this.toolbarView.items).every(t=>void 0!==t.isEnabled&&!t.isEnabled)||(this.listenTo(this.editor.ui,"update",()=>{this._balloon.updatePosition(this._getBalloonPositionData())}),this._balloon.add({view:this.toolbarView,position:this._getBalloonPositionData(),balloonClassName:"ck-toolbar-container"}))}hide(){this._balloon.hasView(this.toolbarView)&&(this.stopListening(this.editor.ui,"update"),this._balloon.remove(this.toolbarView))}_getBalloonPositionData(){const t=this.editor.editing.view,e=t.document,n=e.selection,o=e.selection.isBackward;return{target:()=>{const e=o?n.getFirstRange():n.getLastRange(),i=lr.getDomRangeRects(t.domConverter.viewRangeToDom(e));return o?i[0]:(i.length>1&&0===i[i.length-1].width&&i.pop(),i[i.length-1])},positions:Kc(o)}}destroy(){super.destroy(),this.stopListening(),this._fireSelectionChangeDebounced.cancel(),this.toolbarView.destroy(),this.focusTracker.destroy()}}function Kc(t){const e=pc.defaultPositions;return t?[e.northWestArrowSouth,e.northWestArrowSouthWest,e.northWestArrowSouthEast,e.southWestArrowNorth,e.southWestArrowNorthWest,e.southWestArrowNorthEast]:[e.southEastArrowNorth,e.southEastArrowNorthEast,e.southEastArrowNorthWest,e.northEastArrowSouth,e.northEastArrowSouthEast,e.northEastArrowSouthWest]}class Jc{constructor(t){this.editor=t,this._components=new Map}*names(){for(const t of this._components.values())yield t.originalName}add(t,e){if(this.has(t))throw new sn.b("componentfactory-item-exists: The item already exists in the component factory.",this,{name:t});this._components.set(Yc(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new sn.b("componentfactory-item-missing: The required component is not registered in the factory.",this,{name:t});return this._components.get(Yc(t)).callback(this.editor.locale)}has(t){return this._components.has(Yc(t))}}function Yc(t){return String(t).toLowerCase()}class Xc{constructor(t){this.editor=t,this.componentFactory=new Jc(t),this.focusTracker=new xc,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}}_n(Xc,fn);n(39);const Qc=new WeakMap;function Zc(t,e){return!!e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),!0)}function tl(t,e){const n=Qc.get(t);let o=!1;for(const[t,i]of n)el(e,t,i)&&(o=!0);return o}function el(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){const e=t.document;if(!e)return!1;const n=!Array.from(t.getChildren()).some(t=>!t.is("uiElement"));if(!e.isFocused&&n)return!0;const o=e.selection.anchor;return!(!n||!o||o.parent===t)}(r)?Zc(t,r)&&(s=!0):function(t,e){return!e.hasClass("ck-placeholder")&&(t.addClass("ck-placeholder",e),!0)}(t,r)&&(s=!0),s)}class nl extends Xc{constructor(t,e){super(t),this.view=e}get element(){return this.view.editable.element}init(){const t=this.editor,e=this.view,n=t.plugins.get("BalloonToolbar"),o=t.editing.view,i=e.editable,r=o.document.getRoot();i.name=r.rootName,e.render();const s=i.element;this.setEditableElement(i.name,s),this.focusTracker.add(s),i.bind("isFocused").to(this.focusTracker),o.attachDomRoot(s),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:o,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:n.toolbarView,beforeFocus(){n.show()},afterBlur(){n.hide()}}),this._initPlaceholder(),this.fire("ready")}destroy(){const t=this.view;this.editor.editing.view.detachDomRoot(t.editable.name),t.destroy(),super.destroy()}_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&&function(t){const{view:e,element:n,text:o,isDirectHost:i=!0}=t,r=e.document;Qc.has(r)||(Qc.set(r,new Map),r.registerPostFixer(t=>tl(r,t))),Qc.get(r).set(n,{text:o,isDirectHost:i}),e.change(t=>tl(r,t))}({view:e,element:n,text:i,isDirectHost:!1})}}n(41);class ol extends lc{constructor(t){super(t),this.body=this.createCollection()}render(){super.render(),this._renderBodyCollection()}destroy(){return this._bodyCollectionContainer.remove(),super.destroy()}_renderBodyCollection(){const t=this.locale,e=this._bodyCollectionContainer=new Wa({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"],dir:t.uiLanguageDirection},children:this.body}).render();document.body.appendChild(e)}}class il extends lc{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 rl extends il{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("bc",[this.name]),o)})}}class sl extends ol{constructor(t,e,n){super(t),this.editable=new rl(t,e,n)}render(){super.render(),this.registerChild(this.editable)}}function al(t,e){t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}var cl={updateSourceElement(){if(!this.sourceElement)throw new sn.b("editor-missing-sourceelement: Cannot update the source element of a detached editor.",this);al(this.sourceElement,this.data.get())}};class ll extends La{constructor(t,e){super(e),nn(t)&&(this.sourceElement=t,function(t){const e=t.sourceElement;if(e){if(e.ckeditorInstance)throw new sn.b("editor-source-element-already-used: The DOM element cannot be used to create multiple editor instances.",t);e.ckeditorInstance=t,t.once("destroy",()=>{delete e.ckeditorInstance})}}(this));const n=this.config.get("plugins");n.push(Gc),this.config.set("plugins",n),this.config.define("balloonToolbar",this.config.get("toolbar")),this.data.processor=new ja,this.model.document.createRoot();const o=new sl(this.locale,this.editing.view,this.sourceElement);this.ui=new nl(this,o),function(t){if(!L(t.updateSourceElement))throw new sn.b("attachtoform-missing-elementapi-interface: Editor passed to attachToForm() must implement ElementApi.",t);const e=t.sourceElement;if(e&&"textarea"===e.tagName.toLowerCase()&&e.form){let n;const o=e.form,i=()=>t.updateSourceElement();L(o.submit)&&(n=o.submit,o.submit=()=>{i(),n.apply(o)}),o.addEventListener("submit",i),t.on("destroy",()=>{o.removeEventListener("submit",i),n&&(o.submit=n)})}}(this)}destroy(){const t=this.getData();return this.ui.destroy(),super.destroy().then(()=>{this.sourceElement&&al(this.sourceElement,t)})}static create(t,e={}){return new Promise(n=>{const o=nn(t);if(o&&"TEXTAREA"===t.tagName)throw new sn.b("editor-wrong-element: This type of editor cannot be initialized inside <textarea> element.",null);const i=new this(t,e);n(i.initPlugins().then(()=>{i.ui.init()}).then(()=>{if(!o&&e.initialData)throw new sn.b("editor-create-initial-data: The config.initialData option cannot be used together with initial data passed in Editor.create().",null);const n=e.initialData||function(t){return nn(t)?(e=t,e instanceof HTMLTextAreaElement?e.value:e.innerHTML):t;var e}(t);return i.data.init(n)}).then(()=>i.fire("ready")).then(()=>i))})}}_n(ll,{setData(t){this.data.set(t)},getData(t){return this.data.get(t)}}),_n(ll,cl);class dl{constructor(t){this.files=function(t){const e=t.files?Array.from(t.files):[],n=t.items?Array.from(t.items):[];if(e.length)return e;return 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 hl extends Hi{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 cn(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 dl(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;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));return r?t.domConverter.domRangeToView(r):t.document.selection.getFirstRange()}(this.view,t)),this.fire(t.type,t,e)}}const ul=["figcaption","li"];class fl extends Ha{static get pluginName(){return"Clipboard"}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 ja,n.addObserver(hl),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(/\n/g,"</p><p>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).indexOf("</p><p>")>-1&&(r=`<p>${r}</p>`),i=r),i=this._htmlDataProcessor.toView(i),this.fire("inputTransformation",{content:i,dataTransfer:o}),n.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(t,e)=>{if(!e.content.isEmpty){const t=this.editor.data,n=this.editor.model,o=t.toModel(e.content,"$clipboardHolder");if(0==o.childCount)return;n.insertContent(o)}},{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("img")&&e.hasAttribute("alt"))n=e.getAttribute("alt");else{let o=null;for(const i of e.getChildren()){const e=t(i);o&&(o.is("containerElement")||i.is("containerElement"))&&(ul.includes(o.name)||ul.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 gl{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",ml,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",ml),this.refresh())}execute(){}destroy(){this.stopListening()}}function ml(t){t.return=!1,t.stop()}function*pl(t,e){for(const n of e)n&&t.getAttributeProperties(n[0]).copyOnEnter&&(yield n)}_n(gl,Yn);class bl extends gl{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))return void(i||s!=a||t.deleteContent(n));if(i){const t=pl(e.model.schema,n.getAttributes());wl(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?wl(e,n.focus):e.setSelection(a,0))}}(this.editor.model,n,e.selection,t.schema),this.fire("afterExecute",{writer:n})})}}function wl(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class kl extends vi{constructor(t){super(t);const e=this.document;e.on("keydown",(t,n)=>{if(this.isEnabled&&n.keyCode==Ao.enter){let o;e.once("enter",t=>o=t,{priority:"highest"}),e.fire("enter",new ji(e,n.domEvent,{isSoft:n.shiftKey})),o&&o.stop.called&&t.stop()}})}observe(){}}class _l extends Ha{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(kl),t.commands.add("enter",new bl(t)),this.listenTo(n,"enter",(n,o)=>{o.preventDefault(),o.isSoft||(t.execute("enter"),e.scrollToTheSelection())},{priority:"low"})}}class vl extends gl{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=pl(t.schema,n.getAttributes());yl(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?yl(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;if((xl(i,t)||xl(r,t))&&i!==r)return!1;return!0}(t.schema,e.selection)}}function yl(t,e){const n=t.createElement("softBreak");t.insert(n,e),t.setSelection(n,"after")}function xl(t,e){return!t.is("rootElement")&&(e.isLimit(t)||xl(t.parent,e))}class Cl extends Ha{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,e)=>e.createEmptyElement("br")}),o.addObserver(kl),t.commands.add("shiftEnter",new vl(t)),this.listenTo(i,"enter",(e,n)=>{n.preventDefault(),n.isSoft&&(t.execute("shiftEnter"),o.scrollToTheSelection())},{priority:"low"})}}class Al{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 Pl extends gl{constructor(t,e){super(t),this._buffer=new Al(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||n.selection.getFirstRange(),s=t.resultRange;e.enqueueChange(this._buffer.batch,t=>{const a=r.isCollapsed;this._buffer.lock(),e.deleteContent(e.createSelection(r)),o&&e.insertContent(t.createText(o,n.selection.getAttributes()),r.start),s?t.setSelection(s):a&&t.setSelection(r.start.getShiftedBy(i)),this._buffer.unlock(),this._buffer.input(i),this._batches.add(this._buffer.batch)})}}function Tl(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,c=e&&e.isEqual(r.selection);e=null,i.isEnabled&&(function(t){if(t.ctrlKey)return!0;return Sl.includes(t.keyCode)}(t)||r.selection.isCollapsed||a&&229===t.keyCode||!a&&229===t.keyCode&&c||s())}function s(){const t=i.buffer;t.lock(),n.enqueueChange(t.batch,()=>{n.deleteContent(n.document.selection)}),t.unlock()}yo.isAndroid?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;if(t.selection.isCollapsed||e)return;s()}),{priority:"lowest"}),o.document.on("compositionend",()=>{e=n.createSelection(n.document.selection)},{priority:"lowest"})}const Sl=[Po("arrowUp"),Po("arrowRight"),Po("arrowDown"),Po("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++)Sl.push(t);function El(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}}(ei(t.oldChildren,t.newChildren,Rl),t.newChildren);if(e.length>1)return;const n=e[0];return n.values[0]&&n.values[0].is("text")?n:void 0}function Rl(t,e){return t&&t.is("text")&&e&&e.is("text")?t.data===e.data:t===e}class Ol{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&&!El(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;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 fi,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()),c=Array.from(s.getChildren()),l=a[a.length-1],d=c[c.length-1];l&&l.is("softBreak")&&d&&!d.is("softBreak")&&a.pop();const h=this.editor.model.schema;if(!Il(a,h)||!Il(c,h))return;const u=a.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," "),f=c.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," ");if(f===u)return;const g=ei(f,u),{firstChangeAt:m,insertions:p,deletions:b}=Ml(g);let w=null;e&&(w=this.editing.mapper.toModelRange(e.getFirstRange()));const k=u.substr(m,p),_=this.editor.model.createRange(this.editor.model.createPositionAt(s,m),this.editor.model.createPositionAt(s,m+b));this.editor.execute("input",{text:k,range:_,resultRange:w})}_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=ei(o,n),{firstChangeAt:r,insertions:s,deletions:a}=Ml(i);let c=null;e&&(c=this.editing.mapper.toModelRange(e.getFirstRange()));const l=this.editing.view.createPositionAt(t.node,r),d=this.editing.mapper.toModelPosition(l),h=this.editor.model.createRange(d,d.getShiftedBy(a)),u=n.substr(r,s);this.editor.execute("input",{text:u,range:h,resultRange:c})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=El(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 Il(t,e){return t.every(t=>e.isInline(t))}function Ml(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 Nl extends Ha{static get pluginName(){return"Input"}init(){const t=this.editor,e=new Pl(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),Tl(t),function(t){t.editing.view.document.on("mutations",(e,n,o)=>{new Ol(t).handle(n,o)})}(t)}isInput(t){return this.editor.commands.get("input")._batches.has(t)}}class Vl extends gl{constructor(t,e){super(t),this.direction=e,this._buffer=new Al(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+=ho(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),e.deleteContent(i,{doNotResetEntireContent:r}),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 Bl extends vi{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 ji(e,n,o)),i&&i.stop.called&&t.stop()}e.on("keyup",(t,e)=>{e.keyCode!=Ao.delete&&e.keyCode!=Ao.backspace||(n=0)}),e.on("keydown",(t,e)=>{const i={};if(e.keyCode==Ao.delete)i.direction="forward",i.unit="character";else{if(e.keyCode!=Ao.backspace)return;i.direction="backward",i.unit="codePoint"}const r=yo.isMac?e.altKey:e.ctrlKey;i.unit=r?"word":i.unit,i.sequence=++n,o(t,e.domEvent,i)}),yo.isAndroid&&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 Fl extends Ha{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,n=e.document;if(e.addObserver(Bl),t.commands.add("forwardDelete",new Vl(t,"forward")),t.commands.add("delete",new Vl(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()}),yo.isAndroid){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 Dl extends Ha{static get requires(){return[Nl,Fl]}static get pluginName(){return"Typing"}}class Ll extends Fs{get type(){return"noop"}clone(){return new Ll(this.baseVersion)}getReversed(){return new Ll(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const zl=new Map;function jl(t,e,n){let o=zl.get(t);o||(o=new Map,zl.set(t,o)),o.set(e,n)}function Hl(t){return[t]}function ql(t,e,n={}){const o=function(t,e){const n=zl.get(t);return n&&n.has(e)?n.get(e):Hl}(t.constructor,e.constructor);try{return o(t=t.clone(),e,n)}catch(t){throw t}}function Wl(t,e,n){t=t.slice(),e=e.slice();const o=new Ul(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],c=ql(n,s,o.getContext(n,s,!0)),l=ql(s,n,o.getContext(s,n,!1));o.updateRelation(n,s),o.setOriginalOperations(c,n),o.setOriginalOperations(l,s);for(const t of c)r.set(t,i+l.length);t.splice(a,1,...c),e.splice(i,1,...l)}if(n.padWithNoOps){const n=t.length-s.originalOperationsACount,o=e.length-s.originalOperationsBCount;Gl(t,o-n),Gl(e,n-o)}return $l(t,s.nextBaseVersionB),$l(e,s.nextBaseVersionA),{operationsA:t,operationsB:e,originalOperations:i}}class Ul{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 Js:switch(e.constructor){case ta: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 Js:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,"insertBefore"):this._setRelation(t,e,"insertAfter")}break;case ea:switch(e.constructor){case ta:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,"splitBefore");break;case Js:(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))&&this._setRelation(t,e,"splitBefore")}break;case ta:switch(e.constructor){case ta: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 ea:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,"splitAtSource")}break;case Xs:{const n=t.newRange;if(!n)return;switch(e.constructor){case Js:{const o=Mr._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 ta:{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 $l(t,e){for(const n of t)n.baseVersion=e++}function Gl(t,e){for(let n=0;n<e;n++)t.push(new Ll(0))}function Kl(t,e,n){const o=t.nodes.getNode(0).getAttribute(e);if(o==n)return null;const i=new Mr(t.position,t.position.getShiftedBy(t.howMany));return new Gs(i,e,o,n,0)}function Jl(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function Yl(t,e){const n=[];for(let o=0;o<t.length;o++){const i=t[o],r=new Js(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}jl(Gs,Gs,(t,e,n)=>{if(t.key===e.key){const o=t.range.getDifference(e.range).map(e=>new Gs(e,t.key,t.oldValue,t.newValue,0)),i=t.range.getIntersection(e.range);return i&&n.aIsStrong&&o.push(new Gs(i,e.key,e.newValue,t.newValue,0)),0==o.length?[new Ll(0)]:o}return[t]}),jl(Gs,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 Gs(e,t.key,t.oldValue,t.newValue,t.baseVersion));if(e.shouldReceiveAttributes){const o=Kl(e,t.key,t.oldValue);o&&n.unshift(o)}return n}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]}),jl(Gs,ta,(t,e)=>{const n=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&n.push(Mr._createFromPositionAndShift(e.graveyardPosition,1));const o=t.range._getTransformedByMergeOperation(e);return o.isCollapsed||n.push(o),n.map(e=>new Gs(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),jl(Gs,Js,(t,e)=>function(t,e){const n=Mr._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)}o&&r.push(o._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,!1)[0]);return r}(t.range,e).map(e=>new Gs(e,t.key,t.oldValue,t.newValue,t.baseVersion))),jl(Gs,ea,(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 Mr(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]}),jl(Ys,Gs,(t,e)=>{const n=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const o=Kl(t,e.key,e.newValue);o&&n.push(o)}return n}),jl(Ys,Ys,(t,e,n)=>t.position.isEqual(e.position)&&n.aIsStrong?[t]:(t.position=t.position._getTransformedByInsertOperation(e),[t])),jl(Ys,Js,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),jl(Ys,ea,(t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t])),jl(Ys,ta,(t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t])),jl(Xs,Ys,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t])),jl(Xs,Xs,(t,e,n)=>{if(t.name==e.name){if(!n.aIsStrong)return[new Ll(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]}),jl(Xs,ta,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t])),jl(Xs,Js,(t,e,n)=>{if(t.oldRange&&(t.oldRange=Mr._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(n.abRelation){const o=Mr._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=Mr._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]}),jl(Xs,ea,(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=Ir._createAt(e.insertionPosition):t.newRange.start.isEqual(e.splitPosition)&&!n.abRelation.wasInLeftElement&&(t.newRange.start=Ir._createAt(e.moveTargetPosition)),t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasInRightElement?t.newRange.end=Ir._createAt(e.moveTargetPosition):t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasEndBeforeMergedElement?t.newRange.end=Ir._createAt(e.insertionPosition):t.newRange.end=o.end,[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]}),jl(ta,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])),jl(ta,ta,(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 Ir(e.graveyardPosition.root,n),t.howMany=0,[t]}return[new Ll(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 Js(n,t.howMany,o,0)]}return[new Ll(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]}),jl(ta,Js,(t,e,n)=>{const o=Mr._createFromPositionAndShift(e.sourcePosition,e.howMany);return"remove"==e.type&&!n.bWasUndone&&!n.forceWeakRemove&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&o.containsPosition(t.sourcePosition)?[new Ll(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])}),jl(ta,ea,(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]}),jl(Js,Ys,(t,e)=>{const n=Mr._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]}),jl(Js,Js,(t,e,n)=>{const o=Mr._createFromPositionAndShift(t.sourcePosition,t.howMany),i=Mr._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),Jl(t,e)&&Jl(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),Yl([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()),Yl([o],r);const c=vn(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return o.start=o.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),o.end=o.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),Yl([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 l=[],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"==vn(t.start.getParentPath(),e.getMovedRangeStart().getParentPath()),o=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,n);l.push(...o)}const h=o.getIntersection(i);return null!==h&&s&&(h.start=h.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),h.end=h.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),0===l.length?l.push(h):1==l.length?i.start.isBefore(o.start)||i.start.isEqual(o.start)?l.unshift(h):l.push(h):l.splice(1,0,h)),0===l.length?[new Ll(t.baseVersion)]:Yl(l,r)}),jl(Js,ea,(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=Mr._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 Mr(e.splitPosition,i.end);return t=t._getTransformedBySplitOperation(e),Yl([new Mr(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(Mr._createFromPositionAndShift(e.insertionPosition,1))}return Yl(r,o)}),jl(Js,ta,(t,e,n)=>{const o=Mr._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 Ll(0)]}else if(!n.aWasUndone){const n=[];let o=e.graveyardPosition.clone(),i=e.targetPosition._getTransformedByMergeOperation(e);t.howMany>1&&(n.push(new Js(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 Js(o,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const c=new Ir(s.targetPosition.root,a);i=i._getTransformedByMove(o,r,1);const l=new Js(i,e.howMany,c,0);return n.push(s),n.push(l),n}const i=Mr._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]}),jl(Qs,Ys,(t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t])),jl(Qs,ta,(t,e)=>t.position.isEqual(e.deletionPosition)?(t.position=e.graveyardPosition.clone(),t.position.stickiness="toNext",[t]):(t.position=t.position._getTransformedByMergeOperation(e),[t])),jl(Qs,Js,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),jl(Qs,Qs,(t,e,n)=>{if(t.position.isEqual(e.position)){if(!n.aIsStrong)return[new Ll(0)];t.oldName=e.newName}return[t]}),jl(Qs,ea,(t,e)=>{if("same"==vn(t.position.path,e.splitPosition.getParentPath())&&!e.graveyardPosition){const e=new Qs(t.position.getShiftedBy(1),t.oldName,t.newName,0);return[t,e]}return t.position=t.position._getTransformedBySplitOperation(e),[t]}),jl(Zs,Zs,(t,e,n)=>{if(t.root===e.root&&t.key===e.key){if(!n.aIsStrong||t.newValue===e.newValue)return[new Ll(0)];t.oldValue=e.newValue}return[t]}),jl(ea,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=ea.getInsertionPosition(t.splitPosition),[t])),jl(ea,ta,(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 Ir(e.graveyardPosition.root,n),i=ea.getInsertionPosition(new Ir(e.graveyardPosition.root,n)),r=new ea(o,0,null,0);return r.insertionPosition=i,t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=ea.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=ea.getInsertionPosition(t.splitPosition),t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),jl(ea,Js,(t,e,n)=>{const o=Mr._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 Ir(o.root,i);return[new Js(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=ea.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=ea.getInsertionPosition(t.splitPosition),[t]):(t.howMany+=e.howMany,t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany),t.insertionPosition=ea.getInsertionPosition(t.splitPosition),[t])}),jl(ea,ea,(t,e,n)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new Ll(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new Ll(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 Js(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&n.push(new Js(t.splitPosition,t.howMany,t.moveTargetPosition,0)),n}return[new Ll(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 Ir(e.insertionPosition.root,n);return[t,new Js(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=ea.getInsertionPosition(t.splitPosition),[t]});class Xl extends gl{constructor(t){super(t),this._stack=[],this._createdBatches=new WeakSet,this.refresh()}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=[];for(const e of t){const t=Ql(e,n).find(t=>t.start.root!=i.graveyard);t&&r.push(t)}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=Wl([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 Ql(t,e){const n=t.getTransformedByOperations(e);n.sort((t,e)=>t.start.isBefore(e.start)?-1:1);for(let t=1;t<n.length;t++){const e=n[t-1],o=n[t];e.end.isTouching(o.start)&&(e.end=o.end,n.splice(t,1),t--)}return n}class Zl extends Xl{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 td extends Xl{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 ed extends Ha{static get pluginName(){return"UndoEditing"}constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new Zl(t),this._redoCommand=new td(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 nd='<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>',od='<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 id extends Ha{init(){const t=this.editor,e=t.locale,n=t.t,o="ltr"==e.uiLanguageDirection?nd:od,i="ltr"==e.uiLanguageDirection?od:nd;this._addButton("undo",n("bk"),"CTRL+Z",o),this._addButton("redo",n("bl"),"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 yc(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)),a})}}class rd extends Ha{static get requires(){return[ed,id]}static get pluginName(){return"Undo"}}class sd{static get pluginName(){return"BlockAutoformatEditing"}constructor(t,e,n){let o,i=null;"function"==typeof n?o=n:(i=t.commands.get(n),o=()=>{t.execute(n)}),t.model.document.on("change",(n,r)=>{if(i&&!i.isEnabled)return;if("transparent"==r.type)return;const s=Array.from(t.model.document.differ.getChanges()),a=s[0];if(1!=s.length||"insert"!==a.type||"$text"!=a.name||1!=a.length)return;const c=a.position.parent;if(!c.is("paragraph")||1!==c.childCount)return;const l=e.exec(c.getChild(0).data);l&&t.model.enqueueChange(t=>{const e=t.createPositionAt(c,0),n=t.createPositionAt(c,l[0].length),i=new Wr(e,n);!1!==o({match:l})&&t.remove(i),i.detach()})})}}class ad{static get pluginName(){return"InlineAutoformatEditing"}constructor(t,e,n){let o,i,r,s;e instanceof RegExp?o=e:r=e,"string"==typeof n?i=n:s=n,r=r||(t=>{let e;const n=[],i=[];for(;null!==(e=o.exec(t))&&!(e&&e.length<4);){let{index:t,1:o,2:r,3:s}=e;const a=o+r+s;t+=e[0].length-a.length;const c=[t,t+o.length],l=[t+o.length+r.length,t+o.length+r.length+s.length];n.push(c),n.push(l),i.push([t+o.length,t+o.length+r.length])}return{remove:n,format:i}}),s=s||((e,n)=>{const o=t.model.schema.getValidRanges(n,i);for(const t of o)e.setAttribute(i,!0,t);e.removeSelectionAttribute(i)}),t.model.document.on("change",(e,n)=>{if("transparent"==n.type)return;const o=t.model,i=o.document.selection;if(!i.isCollapsed)return;const a=Array.from(o.document.differ.getChanges()),c=a[0];if(1!=a.length||"insert"!==c.type||"$text"!=c.name||1!=c.length)return;const l=i.focus,d=l.parent,{text:h,range:u}=function(t,e){let n=t.start;return{text:Array.from(t.getItems()).reduce((t,o)=>o.is("text")||o.is("textProxy")?t+o.data:(n=e.createPositionAfter(o),""),""),range:e.createRange(n,t.end)}}(o.createRange(o.createPositionAt(d,0),l),o),f=r(h),g=cd(u.start,f.format,o),m=cd(u.start,f.remove,o);g.length&&m.length&&o.enqueueChange(t=>{if(!1!==s(t,g))for(const e of m.reverse())t.remove(e)})})}}function cd(t,e,n){return e.filter(t=>void 0!==t[0]&&void 0!==t[1]).map(e=>n.createRange(t.getShiftedBy(e[0]),t.getShiftedBy(e[1])))}function ld(t,e){return(n,o)=>{if(!t.commands.get(e).isEnabled)return!1;const i=t.model.schema.getValidRanges(o,e);for(const t of i)n.setAttribute(e,!0,t);n.removeSelectionAttribute(e)}}class dd extends gl{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,o=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(n.isCollapsed)o?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const i=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of i)o?t.setAttribute(this.attributeKey,o,e):t.removeAttribute(this.attributeKey,e)}})}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,n=t.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const t of n.getRanges())for(const n of t.getItems())if(e.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}class hd extends Ha{static get pluginName(){return"BoldEditing"}init(){const t=this.editor;t.model.schema.extend("$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 dd(t,"bold")),t.keystrokes.set("CTRL+B","bold")}}class ud extends Ha{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("bold",n=>{const o=t.commands.get("bold"),i=new yc(n);return i.set({label:e("b"),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")),i})}}class fd extends Ha{static get pluginName(){return"ItalicEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"italic"}),t.model.schema.setAttributeProperties("italic",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"italic",view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add("italic",new dd(t,"italic")),t.keystrokes.set("CTRL+I","italic")}}class gd extends Ha{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("italic",n=>{const o=t.commands.get("italic"),i=new yc(n);return i.set({label:e("ah"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M9.586 14.633l.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z"/></svg>',keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>t.execute("italic")),i})}}function md(t){const e=t.next();return e.done?null:e.value}class pd extends gl{refresh(){const t=this.editor.model,e=md(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("paragraph"),this.isEnabled=!!e&&bd(e,t.schema)}execute(t={}){const e=this.editor.model,n=e.document;e.change(o=>{const i=(t.selection||n.selection).getSelectedBlocks();for(const t of i)!t.is("paragraph")&&bd(t,e.schema)&&o.rename(t,"paragraph")})}}function bd(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class wd extends Ha{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model,n=t.data;t.commands.add("paragraph",new pd(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),t.conversion.for("upcast").elementToElement({model:(t,e)=>wd.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement("paragraph"):null,converterPriority:"low"}),n.upcastDispatcher.on("element",(t,e,n)=>{n.consumable.test(e.viewItem,{name:e.viewItem.name})&&_d(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,kd(e.viewItem,e.modelCursor,n))},{priority:"low"}),n.upcastDispatcher.on("text",(t,e,n)=>{e.modelRange||_d(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,kd(e.viewItem,e.modelCursor,n))},{priority:"lowest"}),e.document.registerPostFixer(t=>this._autoparagraphEmptyRoots(t)),t.data.on("ready",()=>{e.enqueueChange("transparent",t=>this._autoparagraphEmptyRoots(t))},{priority:"lowest"})}_autoparagraphEmptyRoots(t){const e=this.editor.model;for(const n of e.document.getRootNames()){const o=e.document.getRoot(n);if(o.isEmpty&&"$graveyard"!=o.rootName&&e.schema.checkChild(o,"paragraph"))return t.insertElement("paragraph",o),!0}}}function kd(t,e,n){const o=n.writer.createElement("paragraph");return n.writer.insert(o,e),n.convertItem(t,n.writer.createPositionAt(o,0))}function _d(t,e,n){const o=n.createContext(e);return!!n.checkChild(o,"paragraph")&&!!n.checkChild(o.push("paragraph"),t)}wd.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td"]);class vd extends gl{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=md(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some(e=>yd(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model,n=e.document,o=t.value;e.change(t=>{const i=Array.from(n.selection.getSelectedBlocks()).filter(t=>yd(t,o,e.schema));for(const e of i)e.is(o)||t.rename(e,o)})}}function yd(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}class xd extends Ha{static get pluginName(){return"HeadingEditing"}constructor(t){super(t),t.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[wd]}init(){const t=this.editor,e=t.config.get("heading.options"),n=[];for(const o of e)"paragraph"!==o.model&&(t.model.schema.register(o.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(o),n.push(o.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new vd(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(t.model))&&!i.is("paragraph")&&0===i.childCount&&o.writer.rename(i,"paragraph")})}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:dn.get("low")+1})}}class Cd{constructor(t,e){e&&Un(this,e),t&&this.set(t)}}_n(Cd,Yn);n(10);class Ad extends Ha{init(){const t=this.editor,e=t.t,n=function(t){const e=t.t,n={Paragraph:e("al"),"Heading 1":e("am"),"Heading 2":e("an"),"Heading 3":e("ao"),"Heading 4":e("ap"),"Heading 5":e("aq"),"Heading 6":e("ar")};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("c"),i=e("d");t.ui.componentFactory.add("heading",e=>{const r={},s=new go,a=t.commands.get("heading"),c=t.commands.get("paragraph"),l=[a];for(const t of n){const e={type:"button",model:new Cd({label:t.title,class:t.class,withText:!0})};"paragraph"===t.model?(e.model.bind("isOn").to(c,"value"),e.model.set("commandName","paragraph"),l.push(c)):(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=zc(e);return Hc(d,s),d.buttonView.set({isOn:!1,withText:!0,tooltip:i}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(l,"isEnabled",(...t)=>t.some(t=>t)),d.buttonView.bind("label").to(a,"value",c,"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})}}class Pd extends gl{constructor(t){super(t),this._childCommands=[]}refresh(){}execute(...t){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 Td extends Ha{static get pluginName(){return"IndentEditing"}init(){const t=this.editor;t.commands.add("indent",new Pd(t)),t.commands.add("outdent",new Pd(t))}}var Sd='<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 1.5z"/><path d="M1.632 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>\n',Ed='<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 1.5z"/><path d="M4.368 6.95L.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>\n';class Rd extends Ha{static get pluginName(){return"IndentUI"}init(){const t=this.editor,e=t.locale,n=t.t,o="ltr"==e.uiLanguageDirection?Sd:Ed,i="ltr"==e.uiLanguageDirection?Ed:Sd;this._defineButton("indent",n("e"),o),this._defineButton("outdent",n("f"),i)}_defineButton(t,e,n){const o=this.editor;o.ui.componentFactory.add(t,i=>{const r=o.commands.get(t),s=new yc(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)),s})}}function Od(t,e,n){return n.createRange(Id(t,e,!0,n),Id(t,e,!1,n))}function Id(t,e,n,o){let i=t.textNode||(n?t.nodeBefore:t.nodeAfter),r=null;for(;i&&i.getAttribute("linkHref")==e;)r=i,i=n?i.previousSibling:i.nextSibling;return r?o.createPositionAt(r,n?"before":"after"):t}class Md extends gl{constructor(t){super(t),this.manualDecorators=new go}restoreManualDecoratorStates(){for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute("linkHref");for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id);this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}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=Od(s,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(a)}else if(""!==t){const r=xr(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.createRangeOn(a))}}else{const s=n.schema.getValidRanges(o.getRanges(),"linkHref");for(const n of s)e.setAttribute("linkHref",t,n),i.forEach(t=>{e.setAttribute(t,!0,n)}),r.forEach(t=>{e.removeAttribute(t,n)})}})}_getDecoratorStateFromModel(t){return this.editor.model.document.selection.getAttribute(t)||!1}}class Nd extends gl{refresh(){this.isEnabled=this.editor.model.document.selection.hasAttribute("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?[Od(n.getFirstPosition(),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)})}}var Vd=function(t,e,n){var o=-1,i=t.length;e<0&&(e=-e>i?0:i+e),(n=n>i?i:n)<0&&(n+=i),i=e>n?0:n-e>>>0,e>>>=0;for(var r=Array(i);++o<i;)r[o]=t[o+e];return r};var Bd=function(t,e,n){var o=t.length;return n=void 0===n?o:n,!e&&n>=o?t:Vd(t,e,n)},Fd=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");var Dd=function(t){return Fd.test(t)};var Ld=function(t){return t.split("")},zd="[\\ud800-\\udfff]",jd="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",Hd="\\ud83c[\\udffb-\\udfff]",qd="[^\\ud800-\\udfff]",Wd="(?:\\ud83c[\\udde6-\\uddff]){2}",Ud="[\\ud800-\\udbff][\\udc00-\\udfff]",$d="(?:"+jd+"|"+Hd+")"+"?",Gd="[\\ufe0e\\ufe0f]?"+$d+("(?:\\u200d(?:"+[qd,Wd,Ud].join("|")+")[\\ufe0e\\ufe0f]?"+$d+")*"),Kd="(?:"+[qd+jd+"?",jd,Wd,Ud,zd].join("|")+")",Jd=RegExp(Hd+"(?="+Hd+")|"+Kd+Gd,"g");var Yd=function(t){return t.match(Jd)||[]};var Xd=function(t){return Dd(t)?Yd(t):Ld(t)};var Qd=function(t,e){for(var n=-1,o=null==t?0:t.length,i=Array(o);++n<o;)i[n]=e(t[n],n,t);return i},Zd=i?i.prototype:void 0,th=Zd?Zd.toString:void 0;var eh=function t(e){if("string"==typeof e)return e;if(Vt(e))return Qd(e,t)+"";if(Ui(e))return th?th.call(e):"";var n=e+"";return"0"==n&&1/e==-1/0?"-0":n};var nh=function(t){return null==t?"":eh(t)};var oh=function(t){return function(e){e=nh(e);var n=Dd(e)?Xd(e):void 0,o=n?n[0]:e.charAt(0),i=n?Bd(n,1).join(""):e.slice(1);return o[t]()+i}}("toUpperCase");const ih=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,rh=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;function sh(t,e){const n=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty("link",!0,n),n}function ah(t){return function(t){return t.replace(ih,"").match(rh)}(t=String(t))?t:"#"}class ch{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"})}}}class lh{constructor({id:t,label:e,attributes:n}){this.id=t,this.set("value"),this.label=e,this.attributes=n}}_n(lh,Yn);class dh{constructor(t,e,n){this.model=t,this.attribute=n,this._modelSelection=t.document.selection,this._overrideUid=null,this._isNextGravityRestorationSkipped=!1,e.listenTo(this._modelSelection,"change:range",(t,e)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!e.directChange&&hh(this._modelSelection.getFirstPosition(),n)||this._restoreGravity())})}handleForwardMovement(t,e){const n=this.attribute;if(!(this._isGravityOverridden||t.isAtStart&&this._hasSelectionAttribute))return gh(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._removeSelectionAttribute(),!0):uh(t,n)?(this._preventCaretMovement(e),this._overrideGravity(),!0):fh(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._overrideGravity(),!0):void 0}handleBackwardMovement(t,e){const n=this.attribute;return this._isGravityOverridden?gh(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._restoreGravity(),this._removeSelectionAttribute(),!0):(this._preventCaretMovement(e),this._restoreGravity(),t.isAtStart&&this._removeSelectionAttribute(),!0):gh(t,n)&&!this._hasSelectionAttribute?(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtEnd&&fh(t,n)?this._hasSelectionAttribute?void(mh(t,n)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity())):(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtStart?this._hasSelectionAttribute?(this._removeSelectionAttribute(),this._preventCaretMovement(e),!0):void 0:void(mh(t,n)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity()))}get _isGravityOverridden(){return!!this._overrideUid}get _hasSelectionAttribute(){return this._modelSelection.hasAttribute(this.attribute)}_overrideGravity(){this._overrideUid=this.model.change(t=>t.overrideSelectionGravity())}_restoreGravity(){this.model.change(t=>{t.restoreSelectionGravity(this._overrideUid),this._overrideUid=null})}_preventCaretMovement(t){t.preventDefault()}_removeSelectionAttribute(){this.model.change(t=>{t.removeSelectionAttribute(this.attribute)})}_setSelectionAttributeFromTheNodeBefore(t){const e=this.attribute;this.model.change(n=>{n.setSelectionAttribute(this.attribute,t.nodeBefore.getAttribute(e))})}_skipNextAutomaticGravityRestoration(){this._isNextGravityRestorationSkipped=!0}}function hh(t,e){return uh(t,e)||fh(t,e)}function uh(t,e){const{nodeBefore:n,nodeAfter:o}=t,i=!!n&&n.hasAttribute(e);return!!o&&o.hasAttribute(e)&&(!i||n.getAttribute(e)!==o.getAttribute(e))}function fh(t,e){const{nodeBefore:n,nodeAfter:o}=t,i=!!n&&n.hasAttribute(e),r=!!o&&o.hasAttribute(e);return i&&(!r||n.getAttribute(e)!==o.getAttribute(e))}function gh(t,e){const{nodeBefore:n,nodeAfter:o}=t,i=!!n&&n.hasAttribute(e);if(!!o&&o.hasAttribute(e)&&i)return o.getAttribute(e)!==n.getAttribute(e)}function mh(t,e){return hh(t.getShiftedBy(-1),e)}n(44);const ph=/^(https?:)?\/\//;class bh extends Ha{static get pluginName(){return"LinkEditing"}constructor(t){super(t),t.config.define("link",{addTargetToExternalLinks:!1})}init(){const t=this.editor,e=t.locale;t.model.schema.extend("$text",{allowAttributes:"linkHref"}),t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:sh}),t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>sh(ah(t),e)}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:t=>t.getAttribute("href")}}),t.commands.add("link",new Md(t)),t.commands.add("unlink",new Nd(t));const n=function(t,e){const n={"Open in a new tab":t("bm"),Downloadable:t("bn")};return e.forEach(t=>(t.label&&n[t.label]&&(t.label=n[t.label]),t)),e}(t.t,function(t){const e=[];if(t)for(const[n,o]of Object.entries(t)){const t=Object.assign({},o,{id:`link${oh(n)}`});e.push(t)}return e}(t.config.get("link.decorators")));this._enableAutomaticDecorators(n.filter(t=>"automatic"===t.mode)),this._enableManualDecorators(n.filter(t=>"manual"===t.mode)),function({view:t,model:e,emitter:n,attribute:o,locale:i}){const r=new dh(e,n,o),s=e.document.selection;n.listenTo(t.document,"keydown",(t,e)=>{if(!s.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const n=e.keyCode==Ao.arrowright,o=e.keyCode==Ao.arrowleft;if(!n&&!o)return;const a=s.getFirstPosition(),c=i.contentLanguageDirection;let l;l="ltr"===c&&n||"rtl"===c&&o?r.handleForwardMovement(a,e):r.handleBackwardMovement(a,e),l&&t.stop()},{priority:dn.get("high")+1})}({view:t.editing.view,model:t.model,emitter:this,attribute:"linkHref",locale:e}),this._setupLinkHighlight()}_enableAutomaticDecorators(t){const e=this.editor,n=new ch;e.config.get("link.addTargetToExternalLinks")&&n.add({id:"linkIsExternal",mode:"automatic",callback:t=>ph.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("$text",{allowAttributes:t.id}),n.add(new lh(t)),e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,o)=>{if(e){const e=n.get(t.id).attributes,i=o.createAttributeElement("a",e,{priority:5});return o.setCustomProperty("link",!0,i),i}}}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:n.get(t.id).attributes},model:{key:t.id}})})}_setupLinkHighlight(){const t=this.editor,e=t.editing.view,n=new Set;e.document.registerPostFixer(e=>{const o=t.model.document.selection;let i=!1;if(o.hasAttribute("linkHref")){const r=Od(o.getFirstPosition(),o.getAttribute("linkHref"),t.model),s=t.editing.mapper.toViewRange(r);for(const t of s.getItems())t.is("a")&&!t.hasClass("ck-link_selected")&&(e.addClass("ck-link_selected",t),n.add(t),i=!0)}return i}),t.conversion.for("editingDowncast").add(t=>{function o(){e.change(t=>{for(const e of n.values())t.removeClass("ck-link_selected",e),n.delete(e)})}t.on("insert",o,{priority:"highest"}),t.on("remove",o,{priority:"highest"}),t.on("attribute",o,{priority:"highest"}),t.on("selection",o,{priority:"highest"})})}}class wh extends Hi{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}n(46);class kh extends lc{constructor(t){super(t),this.set("text"),this.set("for");const e=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],for:e.to("for")},children:[{text:e.to("text")}]})}}n(48);class _h extends lc{constructor(t,e){super(t);const n=`ck-input-${ln()}`,o=`ck-status-${ln()}`;this.set("label"),this.set("value"),this.set("isReadOnly",!1),this.set("errorText",null),this.set("infoText",null),this.labelView=this._createLabelView(n),this.inputView=this._createInputView(e,n,o),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-input",i.if("isReadOnly","ck-disabled")]},children:[this.labelView,this.inputView,this.statusView]})}_createLabelView(t){const e=new kh(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createInputView(t,e,n){const o=new t(this.locale,n);return o.id=e,o.ariaDescribedById=n,o.bind("value").to(this),o.bind("isReadOnly").to(this),o.bind("hasError").to(this,"errorText",t=>!!t),o.on("input",()=>{this.errorText=null}),o}_createStatusView(t){const e=new lc(this.locale),n=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input__status",n.if("errorText","ck-labeled-input__status_error"),n.if("_statusText","ck-hidden",t=>!t)],id:t,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]}),e}select(){this.inputView.select()}focus(){this.inputView.focus()}}n(50);class vh extends lc{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()}}n(52);class yh extends lc{constructor(t,e=[]){super(t);const n=t.t;this.focusTracker=new xc,this.keystrokes=new Fa,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("bh"),'<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>',"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("bi"),'<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>',"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e),this.children=this._createFormChildren(e),this._focusables=new qa,this._focusCycler=new Sc({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const o=["ck","ck-link-form"];e.length&&o.push("ck-link-form_layout-vertical"),this.setTemplate({tag:"form",attributes:{class:o,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce((t,e)=>(t[e.name]=e.isOn,t),{})}render(){super.render(),function({view:t}){t.listenTo(t.element,"submit",(e,n)=>{n.preventDefault(),t.fire("submit")},{useCapture:!0})}({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(){const t=this.locale.t,e=new _h(this.locale,vh);return e.label=t("bj"),e.inputView.placeholder="https://example.com",e}_createButton(t,e,n,o){const i=new yc(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){const t=new Dc(this.locale);t.set({name:n.id,label:n.label,withText:!0}),t.bind("isOn").to(n,"value"),t.on("execute",()=>{n.set("value",!t.isOn)}),e.add(t)}return e}_createFormChildren(t){const e=this.createCollection();if(e.add(this.urlInputView),t.length){const t=new lc;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(54);class xh extends lc{constructor(t){super(t);const e=t.t;this.focusTracker=new xc,this.keystrokes=new Fa,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e("bd"),'<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("be"),'<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 Sc({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"],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 yc(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.delegate("execute").to(this,n),o}_createPreviewButton(){const t=new yc(this.locale),e=this.bindTemplate,n=this.t;return t.set({withText:!0,tooltip:n("bf")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",t=>t&&ah(t)),target:"_blank",rel:"noopener noreferrer"}}),t.bind("label").to(this,"href",t=>t||n("bg")),t.bind("isEnabled").to(this,"href",t=>!!t),t.template.tag="a",t.template.eventListeners={},t}}class Ch extends Ha{static get requires(){return[Ac]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(wh),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(Ac),this._createToolbarLinkButton(),this._enableUserBalloonInteractions()}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new xh(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=new yh(t.locale,e.manualDecorators);return n.urlInputView.bind("value").to(e,"value"),n.urlInputView.bind("isReadOnly").to(e,"isEnabled",t=>!t),n.saveButtonView.bind("isEnabled").to(e),this.listenTo(n,"submit",()=>{t.execute("link",n.urlInputView.inputView.element.value,n.getDecoratorSwitchesState()),this._closeFormView()}),this.listenTo(n,"cancel",()=>{this._closeFormView()}),n.keystrokes.set("Esc",(t,e)=>{this._closeFormView(),e()}),n}_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 yc(t);return o.isEnabled=!0,o.label=n("aj"),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())}),Lc({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.select(),this.formView.urlInputView.inputView.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())}_showUI(t=!1){this.editor.commands.get("link").isEnabled&&(this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),t&&this._balloon.showStack("main")):(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)}_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=t.document,n=this._getSelectedLinkElement();return{target:n?t.domConverter.mapViewToDom(n):t.domConverter.viewRangeToDom(e.selection.getFirstRange())}}_getSelectedLinkElement(){const t=this.editor.editing.view,e=t.document.selection;if(e.isCollapsed)return Ah(e.getFirstPosition());{const n=e.getFirstRange().getTrimmed(),o=Ah(n.start),i=Ah(n.end);return o&&o==i&&t.createRangeIn(o).getTrimmed().isEqual(n)?o:null}}}function Ah(t){return t.getAncestors().find(t=>{return(e=t).is("attributeElement")&&!!e.getCustomProperty("link");var e})}class Ph extends gl{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=>Sh(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("listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));t=0===t?1:t,Th(n,!0,t),Th(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"))})}_getValue(){const t=md(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is("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=md(t.getSelectedBlocks());return!!n&&Sh(n,e)}}function Th(t,e,n){const o=e?t[0]:t[t.length-1];if(o.is("listItem")){let i=o[e?"previousSibling":"nextSibling"],r=o.getAttribute("listIndent");for(;i&&i.is("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 Sh(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class Eh extends gl{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)}})}_checkEnabled(){const t=md(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),n=t.getAttribute("listType");let o=t.previousSibling;for(;o&&o.is("listItem")&&o.getAttribute("listIndent")>=e;){if(o.getAttribute("listIndent")==e)return o.getAttribute("listType")==n;o=o.previousSibling}return!1}return!0}}function Rh(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=Bh,e}(o),s=o.createContainerElement(i,null);return o.insert(o.createPositionAt(s,0),r),n.bindElements(t,r),r}function Oh(t,e,n,o){const i=e.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(o.createPositionBefore(t));const c=Nh(t.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:t.getAttribute("listIndent")}),l=t.previousSibling;if(c&&c.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(c);a=s.breakContainer(s.createPositionAfter(t))}else a=l&&"listItem"==l.name?r.toViewPosition(o.createPositionAt(l,"end")):r.toViewPosition(o.createPositionBefore(t));if(a=Mh(a),s.insert(a,i),l&&"listItem"==l.name){const t=r.toViewElement(l),n=s.createRange(s.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of n)if(t.item.is("li")){const o=s.breakContainer(s.createPositionBefore(t.item)),i=t.item.parent,r=s.createPositionAt(e,"end");Ih(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(i),r),n.position=o}}else{const n=i.nextSibling;if(n&&(n.is("ul")||n.is("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")))}}Ih(s,i,i.nextSibling),Ih(s,i.previousSibling,i)}function Ih(t,e,n){return!e||!n||"ul"!=e.name&&"ol"!=e.name?null:e.name!=n.name||e.getAttribute("class")!==n.getAttribute("class")?null:t.mergeContainers(t.createPositionAfter(e))}function Mh(t){return t.getLastMatchingPosition(t=>t.item.is("uiElement"))}function Nh(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=r.previousSibling}return null}function Vh(t,e,n,o){t.ui.componentFactory.add(e,i=>{const r=t.commands.get(e),s=new yc(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)),s})}function Bh(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:Nn.call(this)}function Fh(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;Oh(r,Rh(r,o),o,t)}}function Dh(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 Lh(t,e,n){const o=n.mapper.toViewElement(e.item).parent,i=n.writer;Ih(i,o,o.nextSibling),Ih(i,o.previousSibling,o);for(const t of e.item.getChildren())n.consumable.consume(t,"insert")}function zh(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=Ih(o,n,n.nextSibling);e&&e.parent==n&&t.offset--}}Ih(o,t.nodeBefore,t.nodeAfter)}}}function jh(t,e,n){const o=n.mapper.toViewPosition(e.position),i=o.nodeBefore,r=o.nodeAfter;Ih(n.writer,i,r)}function Hh(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("li"))e++;else{const t=n.previousSibling;t&&t.is("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";t.setAttribute("listType",r,o);const s=n.splitToAllowedParent(o,e.modelCursor);if(!s)return;t.insert(o,s.position);const a=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("listItem")?e.modelCursor.parent:Gh(e.modelCursor),r=o.createPositionAfter(t))}return r}(o,e.viewItem.getChildren(),n);e.modelRange=t.createRange(e.modelCursor,a),s.cursorParent?e.modelCursor=t.createPositionAt(s.cursorParent,0):e.modelCursor=e.modelRange.end}}function qh(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("li")||Jh(e))&&e._remove()}}}function Wh(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&&!Jh(e)&&e._remove(),e.is("text")?(o&&(e._data=e.data.replace(/^\s+/,"")),e.nextSibling&&!Jh(e.nextSibling)||(e._data=e.data.replace(/\s+$/,""))):Jh(e)&&(n=!0),o=!1}}function Uh(t){return(e,n)=>{if(n.isPhantom)return;const o=n.modelPosition.nodeBefore;if(o&&o.is("listItem")){const e=n.mapper.toViewElement(o),i=e.getAncestors().find(Jh),r=t.createPositionAt(e,0).getWalker();for(const t of r){if("elementStart"==t.type&&t.item.is("li")){n.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==i){n.viewPosition=t.nextPosition;break}}}}}function $h(t,[e,n]){let o,i=e.is("documentFragment")?e.getChild(0):e;if(o=n?this.createSelection(n):this.document.selection,i&&i.is("listItem")){const t=o.getFirstPosition();let e=null;if(t.parent.is("listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;i&&i.is("listItem");)i._setAttribute("listIndent",i.getAttribute("listIndent")+t),i=i.nextSibling}}}function Gh(t){const e=new Er({startPosition:t});let n;do{n=e.next()}while(!n.value.item.is("listItem"));return n.value.item}function Kh(t,e,n,o,i,r){const s=Nh(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=i.mapper,c=i.writer,l=s?s.getAttribute("listIndent"):null;let d;if(s)if(l==t){const t=a.toViewElement(s).parent;d=c.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");d=a.toViewPosition(t)}else d=n;d=Mh(d);for(const t of[...o.getChildren()])Jh(t)&&(d=c.move(c.createRangeOn(t),d).end,Ih(c,t,t.nextSibling),Ih(c,t.previousSibling,t))}function Jh(t){return t.is("ol")||t.is("ul")}class Yh extends Ha{static get pluginName(){return"ListEditing"}static get requires(){return[wd]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$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);for(const e of Array.from(t.createRangeIn(n)).filter(t=>t.item.is("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?r(o.range.start):"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("listItem")){let n=e;if(o.has(n))return;for(;n.previousSibling&&n.previousSibling.is("listItem");)if(n=n.previousSibling,o.has(n))return;o.set(t.nodeBefore,n)}else{const e=t.nodeAfter;e&&e.is("listItem")&&o.set(e,e)}}function s(t){let n=0,o=null;for(;t&&t.is("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("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",Xh),e.mapper.registerViewToModelLength("li",Xh),n.mapper.on("modelToViewPosition",Uh(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,c=n.nodeBefore;for(;c&&Jh(c);)a+=r.getModelLength(c),c=c.previousSibling;e.modelPosition=o.createPositionBefore(s).getShiftedBy(a),t.stop()}})),e.mapper.on("modelToViewPosition",Uh(n.view)),t.conversion.for("editingDowncast").add(e=>{e.on("insert",zh,{priority:"high"}),e.on("insert:listItem",Fh(t.model)),e.on("attribute:listType:listItem",Dh,{priority:"high"}),e.on("attribute:listType:listItem",Lh,{priority:"low"}),e.on("attribute:listIndent:listItem",function(t){return(e,n,o)=>{if(!o.consumable.consume(n.item,"attribute:listIndent"))return;const 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e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),yo.isEdge||(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 Au(){return null}function Pu(t){return!!t.getCustomProperty("table")&&vu(t)}function Tu(t){const e=t.getSelectedElement();return e&&Pu(e)?e:null}function Su(t){const e=du("table",t.getFirstPosition());return e&&Pu(e.parent)?e.parent:null}function Eu(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 c;var l,d;o.writer.insert(o.writer.createPositionAt(s,0),a),r&&(l=s,(d=o.writer).setCustomProperty("table",!0,l),c=yu(l,d,{hasSelectionHandle:!0}));const h=new pu(i),u={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},f=new Map;for(const e of h){const{row:n,cell:r}=e,s=zu(Lu(n,u),a,o),c=i.getChild(n),l=f.get(n)||Fu(c,n,s,o);f.set(n,l),o.consumable.consume(r,"insert"),Bu(e,u,o.writer.createPositionAt(l,"end"),o,t)}const g=o.mapper.toViewPosition(n.range.start);o.mapper.bindElements(i,r?c:s),o.writer.insert(g,r?c:s)})}function Ru(t={}){return e=>e.on("insert:tableRow",(e,n,o)=>{const i=n.item;if(!o.consumable.consume(i,"insert"))return;const r=i.parent,s=Wu(o.mapper.toViewElement(r)),a=r.getChildIndex(i),c=new pu(r,{startRow:a,endRow:a}),l={headingRows:r.getAttribute("headingRows")||0,headingColumns:r.getAttribute("headingColumns")||0},d=new Map;for(const e of c){const n=zu(Lu(a,l),s,o),r=d.get(a)||Fu(i,a,n,o);d.set(a,r),o.consumable.consume(e.cell,"insert"),Bu(e,l,o.writer.createPositionAt(r,"end"),o,t)}})}function Ou(t={}){return e=>e.on("insert:tableCell",(e,n,o)=>{const i=n.item;if(!o.consumable.consume(i,"insert"))return;const r=i.parent,s=r.parent,a=s.getChildIndex(r),c=new pu(s,{startRow:a,endRow:a}),l={headingRows:s.getAttribute("headingRows")||0,headingColumns:s.getAttribute("headingColumns")||0};for(const e of c)if(e.cell===i){const n=o.mapper.toViewElement(r);return void Bu(e,l,o.writer.createPositionAt(n,r.getChildIndex(i)),o,t)}})}function Iu(t={}){const e=!!t.asWidget;return t=>t.on("attribute:headingRows:table",(t,n,o)=>{const i=n.item;if(!o.consumable.consume(n.item,t.name))return;const r=Wu(o.mapper.toViewElement(i)),s=n.attributeOldValue,a=n.attributeNewValue;if(a>s){const t=Array.from(i.getChildren()).filter(({index:t})=>c(t,s-1,a));qu(t,zu("thead",r,o),o,"end");for(const n of t)for(const t of n.getChildren())Nu(t,"th",o,e);Hu("tbody",r,o)}else{qu(Array.from(i.getChildren()).filter(({index:t})=>c(t,a-1,s)).reverse(),zu("tbody",r,o),o,0);const t=new pu(i,{startRow:a?a-1:a,endRow:s-1}),n={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0};for(const i of t)Vu(i,n,o,e);Hu("thead",r,o)}function c(t,e,n){return t>e&&t<n}})}function Mu(t={}){const e=!!t.asWidget;return t=>t.on("attribute:headingColumns:table",(t,n,o)=>{const i=n.item;if(!o.consumable.consume(n.item,t.name))return;const r={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},s=n.attributeOldValue,a=n.attributeNewValue,c=(s>a?s:a)-1;for(const t of new pu(i))t.column>c||Vu(t,r,o,e)})}function Nu(t,e,n,o){const i=n.writer,r=n.mapper.toViewElement(t);if(!r)return;let s;if(o){s=Cu(i.createEditableElement(e,r.getAttributes()),i),i.insert(i.createPositionAfter(r),s),i.move(i.createRangeIn(r),i.createPositionAt(s,0)),i.remove(i.createRangeOn(r))}else s=i.rename(e,r);n.mapper.unbindViewElement(r),n.mapper.bindElements(t,s)}function Vu(t,e,n,o){const{cell:i}=t,r=Du(t,e),s=n.mapper.toViewElement(i);s&&s.name!==r&&Nu(i,r,n,o)}function Bu(t,e,n,o,i){const r=i&&i.asWidget,s=Du(t,e),a=r?Cu(o.writer.createEditableElement(s),o.writer):o.writer.createContainerElement(s),c=t.cell,l=c.getChild(0),d=1===c.childCount&&"paragraph"===l.name;if(o.writer.insert(n,a),d&&![...l.getAttributeKeys()].length){const t=c.getChild(0),e=o.writer.createPositionAt(a,"end");if(o.consumable.consume(t,"insert"),i.asWidget){const n=o.writer.createContainerElement("span");o.mapper.bindElements(t,n),o.writer.insert(e,n),o.mapper.bindElements(c,a)}else o.mapper.bindElements(c,a),o.mapper.bindElements(t,a)}else o.mapper.bindElements(c,a)}function Fu(t,e,n,o){o.consumable.consume(t,"insert");const i=o.writer.createContainerElement("tr");o.mapper.bindElements(t,i);const r=t.parent.getAttribute("headingRows")||0,s=r>0&&e>=r?e-r:e,a=o.writer.createPositionAt(n,s);return o.writer.insert(a,i),i}function Du(t,e){const{row:n,column:o}=t,{headingColumns:i,headingRows:r}=e;return r&&r>n?"th":i&&i>o?"th":"td"}function Lu(t,e){return t<e.headingRows?"thead":"tbody"}function zu(t,e,n){const o=ju(t,e);return o||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 ju(t,e){for(const n of e.getChildren())if(n.name==t)return n}function Hu(t,e,n){const o=ju(t,e);o&&0===o.childCount&&n.writer.remove(n.writer.createRangeOn(o))}function qu(t,e,n,o){for(const i of t){const t=n.mapper.toViewElement(i);t&&n.writer.move(n.writer.createRangeOn(t),n.writer.createPositionAt(e,o))}}function Wu(t){for(const e of t.getChildren())if("table"===e.name)return e}class Uu extends gl{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=parseInt(t.rows)||2,r=parseInt(t.columns)||2,s=function(t,e){const n=t.getSelectedElement();if(n&&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}(n,e);e.change(t=>{const n=o.createTable(t,i,r);e.insertContent(n,s),t.setSelection(t.createPositionAt(n.getNodeByPath([0,0,0]),0))})}}class $u extends gl{constructor(t,e={}){super(t),this.order=e.order||"below"}refresh(){const t=du("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o=du("tableCell",e.getFirstPosition()).parent,i=o.parent,r=i.getChildIndex(o),s="below"===this.order?r+1:r;n.insertRows(i,{rows:1,at:s})}}class Gu extends gl{constructor(t,e={}){super(t),this.order=e.order||"right"}refresh(){const t=du("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o=du("tableCell",e.getFirstPosition()),i=o.parent.parent,{column:r}=n.getCellLocation(o),s="right"===this.order?r+1:r;n.insertColumns(i,{columns:1,at:s})}}class Ku extends gl{constructor(t,e={}){super(t),this.direction=e.direction||"horizontally"}refresh(){const t=du("tableCell",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=du("tableCell",this.editor.model.document.selection.getFirstPosition()),e="horizontally"===this.direction,n=this.editor.plugins.get("TableUtils");e?n.splitCellHorizontally(t,2):n.splitCellVertically(t,2)}}class Ju extends gl{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=du("tableCell",t.document.selection.getFirstPosition()),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){Yu(t)||(Yu(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end")));n.remove(t)}(s,r,t);const c=this.isHorizontal?"colspan":"rowspan",l=parseInt(e.getAttribute(c)||1),d=parseInt(n.getAttribute(c)||1);t.setAttribute(c,l+d,r),t.setSelection(t.createRangeIn(r)),a.childCount||function(t,e){const n=t.parent,o=n.getChildIndex(t);for(const{cell:t,row:i,rowspan:r}of new pu(n,{endRow:o})){i+r-1>=o&&hu("rowspan",r-1,t,e)}e.remove(t)}(a,t)})}_getMergeableCell(){const t=du("tableCell",this.editor.model.document.selection.getFirstPosition());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;if(!i)return;const s="right"==e?t:i,a="right"==e?i:t,{column:c}=n.getCellLocation(s),{column:l}=n.getCellLocation(a),d=parseInt(s.getAttribute("colspan")||1),h=parseInt(a.getAttribute("colspan")||1),u="right"==e&&l+h>r,f="left"==e&&c+d>r-1;if(r&&(u||f))return;return c+d===l?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,a="down"==e&&i+r===s,c="up"==e&&i===s;if(s&&(a||c))return;const l=parseInt(t.getAttribute("rowspan")||1),d="down"==e?i+l:i,h=[...new pu(o,{endRow:d})],u=h.find(e=>e.cell===t).column,f=h.find(({row:t,rowspan:n,column:o})=>o===u&&("down"==e?t===d:d===t+n));return f&&f.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 Yu(t){return 1==t.childCount&&t.getChild(0).is("paragraph")&&t.getChild(0).isEmpty}class Xu extends gl{refresh(){const t=du("tableCell",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t&&t.parent.parent.childCount>1}execute(){const t=this.editor.model,e=du("tableCell",t.document.selection.getFirstPosition()).parent,n=e.parent,o=n.getChildIndex(e),i=n.getAttribute("headingRows")||0;t.change(t=>{i&&o<=i&&hu("headingRows",i-1,n,t,0);const r=[...new pu(n,{endRow:o})],s=new Map;r.filter(({row:t,rowspan:e})=>t===o&&e>1).forEach(({column:t,cell:e,rowspan:n})=>s.set(t,{cell:e,rowspanToSet:n-1})),r.filter(({row:t,rowspan:e})=>t<=o-1&&t+e>o).forEach(({cell:e,rowspan:n})=>hu("rowspan",n-1,e,t));const a=o+1,c=new pu(n,{includeSpanned:!0,startRow:a,endRow:a});let l;for(const{row:e,column:o,cell:i}of[...c])if(s.has(o)){const{cell:i,rowspanToSet:r}=s.get(o),a=l?t.createPositionAfter(l):t.createPositionAt(n.getChild(e),0);t.move(t.createRangeOn(i),a),hu("rowspan",r,i,t),l=i}else l=i;t.remove(e)})}}class Qu extends gl{refresh(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o=du("tableCell",e.getFirstPosition());this.isEnabled=!!o&&n.getColumns(o.parent.parent)>1}execute(){const t=this.editor.model,e=du("tableCell",t.document.selection.getFirstPosition()),n=e.parent,o=n.parent,i=o.getAttribute("headingColumns")||0,r=o.getChildIndex(n),s=[...new pu(o)],a=s.find(t=>t.cell===e).column;t.change(t=>{i&&r<=i&&t.setAttribute("headingColumns",i-1,o);for(const{cell:e,column:n,colspan:o}of s)n<=a&&o>1&&n+o>a?hu("colspan",o-1,e,t):n===a&&t.remove(e)})}}class Zu extends gl{refresh(){const t=du("tableCell",this.editor.model.document.selection.getFirstPosition()),e=!!t;this.isEnabled=e,this.value=e&&this._isInHeading(t,t.parent.parent)}execute(t={}){const e=this.editor.model,n=du("tableCell",e.document.selection.getFirstPosition()).parent,o=n.parent,i=o.getAttribute("headingRows")||0,r=n.index;if(t.forceValue===this.value)return;const s=this.value?r:r+1;e.change(t=>{if(s){const e=function(t,e,n){const o=[],i=new pu(t,{startRow:e>n?n:0,endRow:e-1});for(const{row:t,rowspan:n,cell:r}of i)n>1&&t+n>e&&o.push(r);return o}(o,s,i);for(const n of e)tf(n,s,t)}hu("headingRows",s,o,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingRows")||0);return!!n&&t.parent.index<n}}function tf(t,e,n){const o=t.parent,i=o.parent,r=e-o.index,s={},a=parseInt(t.getAttribute("rowspan"))-r;a>1&&(s.rowspan=a);const c=parseInt(t.getAttribute("colspan")||1);c>1&&(s.colspan=c);const l=i.getChildIndex(o),d=l+r,h=[...new pu(i,{startRow:l,endRow:d,includeSpanned:!0})];let u;for(const{row:e,column:o,cell:r,cellIndex:a}of h)if(r===t&&void 0===u&&(u=o),void 0!==u&&u===o&&e===d){const t=i.getChild(e),o=n.createPositionAt(t,a);uu(n,o,s)}hu("rowspan",r,t,n)}class ef extends gl{refresh(){const t=du("tableCell",this.editor.model.document.selection.getFirstPosition()),e=!!t;this.isEnabled=e,this.value=e&&this._isInHeading(t,t.parent.parent)}execute(t={}){const e=this.editor.model,n=e.document.selection,o=this.editor.plugins.get("TableUtils"),i=du("tableCell",n.getFirstPosition()),r=i.parent.parent,{column:s}=o.getCellLocation(i);if(t.forceValue===this.value)return;const a=this.value?s:s+1;e.change(t=>{hu("headingColumns",a,r,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingColumns")||0),o=this.editor.plugins.get("TableUtils"),{column:i}=o.getCellLocation(t);return!!n&&i<n}}class nf extends Ha{static get pluginName(){return"TableUtils"}getCellLocation(t){const e=t.parent,n=e.parent,o=n.getChildIndex(e),i=new pu(n,{startRow:o,endRow:o});for(const{cell:e,row:n,column:o}of i)if(e===t)return{row:n,column:o}}createTable(t,e,n){const o=t.createElement("table");return of(t,o,0,e,n),o}insertRows(t,e={}){const n=this.editor.model,o=e.at||0,i=e.rows||1;n.change(e=>{const n=t.getAttribute("headingRows")||0;if(n>o&&e.setAttribute("headingRows",n+i,t),0===o||o===t.childCount)return void of(e,t,o,i,this.getColumns(t));const r=new pu(t,{endRow:o});let s=0;for(const{row:t,rowspan:n,colspan:a,cell:c}of r){const r=t+n>o;t<o&&r&&e.setAttribute("rowspan",n+i,c),t===o&&(s+=a)}of(e,t,o,i,s)})}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())rf(i,e,e.createPositionAt(n,o?"end":0));return}const s=new pu(t,{column:o,includeSpanned:!0});for(const{row:n,cell:r,cellIndex:a}of s){const c=parseInt(r.getAttribute("rowspan")||1),l=parseInt(r.getAttribute("colspan")||1);if(r.index!==o&&l>1){if(e.setAttribute("colspan",l+i,r),s.skipRow(n),c>1)for(let t=n+1;t<n+c;t++)s.skipRow(t)}else{const o=e.createPositionAt(t.getChild(n),a);rf(i,e,o)}}})}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}=sf(r,e);hu("colspan",s,t,n);const a={};o>1&&(a.colspan=o),i>1&&(a.rowspan=i),rf(r>e?e-1:r-1,n,n.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new pu(o)],{column:c}=a.find(({cell:e})=>e===t),l=a.filter(({cell:e,colspan:n,column:o})=>e!==t&&o===c||o<c&&o+n>c);for(const{cell:t,colspan:e}of l)n.setAttribute("colspan",e+s,t);const d={};i>1&&(d.rowspan=i),rf(s,n,n.createPositionAfter(t),d);const h=o.getAttribute("headingColumns")||0;h>c&&hu("headingColumns",h+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 pu(i,{startRow:r,endRow:r+s-1,includeSpanned:!0})],{newCellsSpan:c,updatedSpan:l}=sf(s,e);hu("rowspan",l,t,n);const{column:d}=o.find(({cell:e})=>e===t),h={};c>1&&(h.rowspan=c),a>1&&(h.colspan=a);for(const{column:t,row:e,cellIndex:s}of o){const o=t===d,a=(e+r+l)%c==0;if(e>=r+l&&o&&a){const t=n.createPositionAt(i.getChild(e),s);rf(1,n,t,h)}}}if(s<e){const o=e-s,c=[...new pu(i,{startRow:0,endRow:r})];for(const{cell:e,rowspan:i,row:s}of c)if(e!==t&&s+i>r){const t=i+o;n.setAttribute("rowspan",t,e)}const l={};a>1&&(l.colspan=a),of(n,i,r+1,o,1,l);const d=i.getAttribute("headingRows")||0;d>r&&hu("headingRows",d+o,i,n)}})}getColumns(t){return[...t.getChild(0).getChildren()].reduce((t,e)=>t+parseInt(e.getAttribute("colspan")||1),0)}}function of(t,e,n,o,i,r={}){for(let s=0;s<o;s++){const o=t.createElement("tableRow");t.insert(o,e,n),rf(i,t,t.createPositionAt(o,"end"),r)}}function rf(t,e,n,o={}){for(let i=0;i<t;i++)uu(e,n,o)}function sf(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(t/e);return{newCellsSpan:n,updatedSpan:t-n*e+n}}function af(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=du("table",e.position)),df(e)&&(n=du("table",e.range.start)),n&&!i.has(n)&&(o=cf(n,t)||o,o=lf(n,t)||o,i.add(n))}return o}(e,t))}function cf(t,e){let n=!1;const o=function(t){const e=parseInt(t.getAttribute("headingRows")||0),n=t.childCount,o=[];for(const{row:i,rowspan:r,cell:s}of new pu(t)){if(r<2)continue;const t=i<e?e:n;if(i+r>t){const e=t-i;o.push({cell:s,rowspan:e})}}return o}(t);if(o.length){n=!0;for(const t of o)hu("rowspan",t.rowspan,t.cell,e,1)}return n}function lf(t,e){let n=!1;const o=function(t){const e={};for(const{row:n}of new pu(t,{includeSpanned:!0}))e[n]||(e[n]=0),e[n]+=1;return e}(t),i=o[0];if(!Object.values(o).every(t=>t===i)){const i=Object.values(o).reduce((t,e)=>e>t?e:t,0);for(const[r,s]of Object.entries(o)){const o=i-s;if(o){for(let n=0;n<o;n++)uu(e,e.createPositionAt(t.getChild(r),"end"));n=!0}}}return n}function df(t){const e="attribute"===t.type,n=t.attributeKey;return e&&("headingRows"===n||"colspan"===n||"rowspan"===n)}function hf(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=uf(e.position.nodeAfter,t)||o),"insert"==e.type&&"tableRow"==e.name&&(o=ff(e.position.nodeAfter,t)||o),"insert"==e.type&&"tableCell"==e.name&&(o=gf(e.position.nodeAfter,t)||o),mf(e)&&(o=gf(e.position.parent,t)||o);return o}(e,t))}function uf(t,e){let n=!1;for(const o of t.getChildren())n=ff(o,e)||n;return n}function ff(t,e){let n=!1;for(const o of t.getChildren())n=gf(o,e)||n;return n}function gf(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 mf(t){return!(!t.position||!t.position.parent.is("tableCell"))&&("insert"==t.type&&"$text"==t.name||"remove"==t.type)}function pf(t){t.document.registerPostFixer(()=>function(t){const e=t.document.differ,n=new Set;for(const t of e.getChanges()){const e="insert"==t.type||"remove"==t.type?t.position.parent:t.range.start.parent;e.is("tableCell")&&bf(e,t.type)&&n.add(e)}if(n.size){for(const t of n.values())e.refreshItem(t);return!0}return!1}(t))}function bf(t,e){if(!Array.from(t.getChildren()).some(t=>t.is("paragraph")))return!1;if("attribute"==e){const e=Array.from(t.getChild(0).getAttributeKeys()).length;return 1===t.childCount&&e<2}return t.childCount<=("insert"==e?2:1)}n(56);class wf extends Ha{static get pluginName(){return"TableEditing"}init(){const t=this.editor,e=t.model,n=e.schema,o=t.conversion;n.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isLimit:!0,isObject:!0,isBlock:!0}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isLimit:!0}),n.extend("$block",{allowIn:"tableCell"}),n.addChildCheck((t,e)=>{if("table"==e.name&&Array.from(t.getNames()).includes("table"))return!1}),o.for("upcast").add(fu()),o.for("editingDowncast").add(Eu({asWidget:!0})),o.for("dataDowncast").add(Eu()),o.for("upcast").elementToElement({model:"tableRow",view:"tr"}),o.for("editingDowncast").add(Ru({asWidget:!0})),o.for("dataDowncast").add(Ru()),o.for("downcast").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("tr")).nodeAfter,s=r.parent,a=o.createRangeOn(r),c=o.remove(a);for(const t of o.createRangeIn(c).getItems())i.unbindViewElement(t);s.childCount||o.remove(o.createRangeOn(s))},{priority:"higher"})),o.for("upcast").add(gu("td")),o.for("upcast").add(gu("th")),o.for("editingDowncast").add(Ou({asWidget:!0})),o.for("dataDowncast").add(Ou()),o.attributeToAttribute({model:"colspan",view:"colspan"}),o.attributeToAttribute({model:"rowspan",view:"rowspan"}),o.for("editingDowncast").add(Mu({asWidget:!0})),o.for("dataDowncast").add(Mu()),o.for("editingDowncast").add(Iu({asWidget:!0})),o.for("dataDowncast").add(Iu()),t.commands.add("insertTable",new Uu(t)),t.commands.add("insertTableRowAbove",new $u(t,{order:"above"})),t.commands.add("insertTableRowBelow",new $u(t,{order:"below"})),t.commands.add("insertTableColumnLeft",new Gu(t,{order:"left"})),t.commands.add("insertTableColumnRight",new Gu(t,{order:"right"})),t.commands.add("removeTableRow",new Xu(t)),t.commands.add("removeTableColumn",new Qu(t)),t.commands.add("splitTableCellVertically",new Ku(t,{direction:"vertically"})),t.commands.add("splitTableCellHorizontally",new Ku(t,{direction:"horizontally"})),t.commands.add("mergeTableCellRight",new Ju(t,{direction:"right"})),t.commands.add("mergeTableCellLeft",new Ju(t,{direction:"left"})),t.commands.add("mergeTableCellDown",new Ju(t,{direction:"down"})),t.commands.add("mergeTableCellUp",new Ju(t,{direction:"up"})),t.commands.add("setTableColumnHeader",new ef(t)),t.commands.add("setTableRowHeader",new Zu(t)),af(e),pf(e),hf(e),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"})}static get requires(){return[nf]}_handleTabOnSelectedTable(t,e){const n=this.editor,o=n.model.document.selection;if(!o.isCollapsed&&1===o.rangeCount&&o.getFirstRange().isFlat){const t=o.getSelectedElement();if(!t||!t.is("table"))return;e(),n.model.change(e=>{e.setSelection(e.createRangeIn(t.getChild(0).getChild(0)))})}}_getTabHandler(t){const e=this.editor;return(n,o)=>{const i=du("tableCell",e.model.document.selection.getFirstPosition());if(!i)return;o();const r=i.parent,s=r.parent,a=s.getChildIndex(r),c=r.getChildIndex(i),l=0===c;if(!t&&l&&0===a)return;const d=c===r.childCount-1,h=a===s.childCount-1;if(t&&h&&d&&(e.execute("insertTableRowBelow"),a===s.childCount-1))return;let u;if(t&&d){const t=s.getChild(a+1);u=t.getChild(0)}else if(!t&&l){const t=s.getChild(a-1);u=t.getChild(t.childCount-1)}else u=r.getChild(c+(t?1:-1));e.model.change(t=>{t.setSelection(t.createRangeIn(u))})}}}n(58);class kf extends lc{constructor(t){super(t);const e=this.bindTemplate;this.items=this.createCollection(),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"]},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")})}});for(let t=0;t<100;t++){const e=new _f;e.on("over",()=>{const e=Math.floor(t/10),n=t%10;this.set("rows",e+1),this.set("columns",n+1)}),this.items.add(e)}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)})}}class _f extends lc{constructor(t){super(t);const e=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",e.if("isOn","ck-on")]},on:{mouseover:e.to("over")}})}}class vf extends Ha{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=zc(n);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("i"),tooltip:!0});const r=new kf(n);return 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("j"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:n?"insertTableColumnLeft":"insertTableColumnRight",label:e("k")}},{type:"button",model:{commandName:n?"insertTableColumnRight":"insertTableColumnLeft",label:e("l")}},{type:"button",model:{commandName:"removeTableColumn",label:e("m")}}];return this._prepareDropdown(e("n"),'<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("o"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowBelow",label:e("p")}},{type:"button",model:{commandName:"insertTableRowAbove",label:e("q")}},{type:"button",model:{commandName:"removeTableRow",label:e("r")}}];return this._prepareDropdown(e("s"),'<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("t")}},{type:"button",model:{commandName:n?"mergeTableCellRight":"mergeTableCellLeft",label:e("u")}},{type:"button",model:{commandName:"mergeTableCellDown",label:e("v")}},{type:"button",model:{commandName:n?"mergeTableCellLeft":"mergeTableCellRight",label:e("w")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:e("x")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:e("y")}}];return this._prepareDropdown(e("z"),'<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=zc(o),s=[],a=new go;for(const t of n)yf(t,i,s,a);return Hc(r,a),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}}function yf(t,e,n,o){const i=t.model=new Cd(t.model),{commandName:r,bindIsOn:s}=t.model;if("separator"!==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)}class xf extends Hi{constructor(t){super(t),this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}n(60);const Cf=To("Ctrl+A");class Af extends Ha{static get pluginName(){return"Widget"}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;vu(t)&&!Pf(t,s)&&(o.addClass("ck-widget_selected",t),this._previouslySelected.add(t),s=t,t==r&&o.setSelection(i.getRanges(),{fake:!0,label:xu(r)}))}},{priority:"low"}),t.addObserver(xf),this.listenTo(e,"mousedown",(...t)=>this._onMousedown(...t)),this.listenTo(e,"keydown",(...t)=>this._onKeydown(...t),{priority:"high"}),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(vu(t))return!1;t=t.parent}return!1}(r)){if(yo.isSafari&&e.domEvent.detail>=3){const t=n.editing.mapper.toModelElement(r);this.editor.model.change(n=>{e.preventDefault(),n.setSelection(t,"in")})}return}if(!vu(r)&&(r=r.findAncestor(vu),!r))return;e.preventDefault(),i.isFocused||o.focus();const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_onKeydown(t,e){const n=e.keyCode,o="ltr"===this.editor.locale.contentLanguageDirection,i=n==Ao.arrowdown||n==Ao[o?"arrowright":"arrowleft"];let r=!1;!function(t){return t==Ao.arrowright||t==Ao.arrowleft||t==Ao.arrowup||t==Ao.arrowdown}(n)?!function(t){return Po(t)==Cf}(e)?n===Ao.enter&&(r=this._handleEnterKey(e.shiftKey)):r=this._selectAllNestedEditableContent()||this._selectAllContent():r=this._handleArrowKeys(i),r&&(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}_handleArrowKeys(t){const e=this.editor.model,n=e.schema,o=e.document.selection,i=o.getSelectedElement();if(i&&n.isObject(i)){const i=t?o.getLastPosition():o.getFirstPosition(),r=n.getNearestSelectionRange(i,t?"forward":"backward");return r&&e.change(t=>{t.setSelection(r)}),!0}if(!o.isCollapsed)return;const r=this._getObjectElementNextToSelection(t);return r&&n.isObject(r)?(this._setSelectionOverElement(r),!0):void 0}_handleEnterKey(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();if(o=n,i=e.schema,o&&i.isObject(o)&&!i.isInline(o))return e.change(o=>{let i=o.createPositionAt(n,t?"before":"after");const r=o.createElement("paragraph");if(e.schema.isBlock(n.parent)){const t=e.schema.findAllowedParent(i,r);i=o.split(i,t).position}o.insert(r,i),o.setSelection(r,"in")}),!0;var o,i}_selectAllNestedEditableContent(){const t=this.editor.model,e=t.document.selection,n=t.schema.getLimitElement(e);return e.getFirstRange().root!=n&&(t.change(t=>{t.setSelection(t.createRangeIn(n))}),!0)}_selectAllContent(){const t=this.editor.model,e=this.editor.editing,n=e.view.document.selection.getSelectedElement();if(n&&vu(n)){const o=e.mapper.toModelElement(n.parent);return t.change(t=>{t.setSelection(t.createRangeIn(o))}),!0}return!1}_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 Pf(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}n(62);class Tf extends Ha{static get requires(){return[Ac]}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||!vu(e))})(t.editing.view.document.selection)&&e.stop()},{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),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"}){const r=this.editor,s=r.t,a=new qc(r.locale);if(a.ariaLabel=e||s("ak"),this._toolbarDefinitions.has(t))throw new sn.b("widget-toolbar-duplicated: Toolbar with the given id was already added.",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.editor.ui.focusTracker.isFocused)if(i){const r=i.getAncestors().length;r>t&&(t=r,e=i,n=o)}else this._isToolbarInBalloon(o)&&this._hideToolbar(o);else this._isToolbarVisible(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)?Sf(this.editor,e):this._isToolbarInBalloon(t)||(this._balloon.add({view:t.view,position:Ef(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);Sf(this.editor,e)}}))}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function Sf(t,e){const n=t.plugins.get("ContextualBalloon"),o=Ef(t,e);n.updatePosition(o)}function Ef(t,e){const n=t.editing.view,o=pc.defaultPositions;return{target:n.domConverter.mapViewToDom(e),positions:[o.northArrowSouth,o.northArrowSouthWest,o.northArrowSouthEast,o.southArrowNorth,o.southArrowNorthWest,o.southArrowNorthEast]}}const Rf=["left","right","center","justify"];function Of(t){return Rf.includes(t)}function If(t,e){return"rtl"==e.contentLanguageDirection?"right"===t:"left"===t}class Mf extends gl{refresh(){const t=this.editor.locale,e=md(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");If(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 Nf extends Ha{static get pluginName(){return"AlignmentEditing"}constructor(t){super(t),t.config.define("alignment",{options:[...Rf]})}init(){const t=this.editor,e=t.locale,n=t.model.schema,o=t.config.get("alignment.options").filter(Of);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=>!If(t,e)));t.conversion.attributeToAttribute(i),t.commands.add("alignment",new Mf(t))}}var Vf='<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>',Bf='<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 Ff=new Map([["left",Vf],["right",Bf],["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 Df extends Ha{get localizedOptionTitles(){const t=this.editor.t;return{left:t("aa"),right:t("ab"),center:t("ac"),justify:t("ad")}}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(Of).forEach(t=>this._addButton(t)),e.add("alignment",t=>{const i=zc(t),r=o.map(t=>e.create(`alignment:${t}`));jc(i,r),i.buttonView.set({label:n("ae"),tooltip:!0}),i.toolbarView.isVertical=!0,i.toolbarView.ariaLabel=n("af"),i.extendTemplate({attributes:{class:"ck-alignment-dropdown"}});const s="rtl"===t.contentLanguageDirection?Bf:Vf;return i.buttonView.bind("icon").toMany(r,"isOn",(...t)=>{const e=t.findIndex(t=>t);return e<0?s:r[e].icon}),i.bind("isEnabled").toMany(r,"isEnabled",(...t)=>t.some(t=>t)),i})}_addButton(t){const e=this.editor;e.ui.componentFactory.add(`alignment:${t}`,n=>{const o=e.commands.get("alignment"),i=new yc(n);return i.set({label:this.localizedOptionTitles[t],icon:Ff.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 Lf extends Ha{static get pluginName(){return"RemoveFormatUI"}init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("removeFormat",n=>{const o=t.commands.get("removeFormat"),i=new yc(n);return i.set({label:e("ag"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.69 14.915c.053.052.173.083.36.093a.366.366 0 0 1 .345.485l-.003.01a.738.738 0 0 1-.697.497h-2.67a.374.374 0 0 1-.353-.496l.013-.038a.681.681 0 0 1 .644-.458c.197-.012.325-.043.386-.093a.28.28 0 0 0 .072-.11L9.592 4.5H6.269c-.359-.017-.609.013-.75.09-.142.078-.289.265-.442.563-.192.29-.516.464-.864.464H4.17a.43.43 0 0 1-.407-.569L4.46 3h13.08l-.62 2.043a.81.81 0 0 1-.775.574h-.114a.486.486 0 0 1-.486-.486c.001-.284-.054-.464-.167-.54-.112-.076-.367-.106-.766-.091h-3.28l-2.68 10.257c-.006.074.007.127.038.158zM3 17h8a.5.5 0 1 1 0 1H3a.5.5 0 1 1 0-1zm11.299 1.17a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.06-1.06l1.415 1.414 1.414-1.415a.75.75 0 1 1 1.06 1.06l-1.413 1.415 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414-1.414 1.414z"/></svg>',tooltip:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>t.execute("removeFormat")),i})}}class zf extends gl{refresh(){const t=this.editor.model;this.isEnabled=!!md(this._getFormattingItems(t.document.selection,t.schema))}execute(){const t=this.editor.model,e=t.schema;t.change(n=>{for(const o of this._getFormattingItems(t.document.selection,e))if(o.is("selection"))for(const t of this._getFormattingAttributes(o,e))n.removeSelectionAttribute(t);else{const t=n.createRangeOn(o);for(const i of this._getFormattingAttributes(o,e))n.removeAttribute(i,t)}})}*_getFormattingItems(t,e){const n=t=>!!md(this._getFormattingAttributes(t,e));for(const e of t.getRanges())for(const t of e.getItems())n(t)&&(yield t);n(t)&&(yield t)}*_getFormattingAttributes(t,e){for(const[n]of t.getAttributes()){const t=e.getAttributeProperties(n);t&&t.isFormatting&&(yield n)}}}class jf extends Ha{static get pluginName(){return"RemoveFormatEditing"}init(){const t=this.editor;t.commands.add("removeFormat",new zf(t))}}class Hf extends Ha{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 dd(t,"underline")),t.keystrokes.set("CTRL+U","underline")}}class qf extends Ha{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("underline",n=>{const o=t.commands.get("underline"),i=new yc(n);return i.set({label:e("ai"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 18v-1.5h14V18zM5.2 10V3.6c0-.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")),i})}}class Wf extends gl{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 Uf extends yc{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"><g><path class="ck-icon__fill" d="M16.935 5.328a2 2 0 010 2.829l-7.778 7.778a2 2 0 01-2.829 0L3.5 13.107a1.999 1.999 0 112.828-2.829l.707.707a1 1 0 001.414 0l5.658-5.657a2 2 0 012.828 0z"/><path d="M14.814 6.035L8.448 12.4a1 1 0 01-1.414 0l-1.413-1.415A1 1 0 104.207 12.4l2.829 2.829a1 1 0 001.414 0l7.778-7.778a1 1 0 10-1.414-1.415z"/></g></svg>\n',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(64);class $f extends lc{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 xc,this.keystrokes=new Fa,this._focusCycler=new Sc({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 Uf;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)}}class Gf extends go{constructor(t){super(t),this.set("isEmpty",!0)}add(t,e){this.find(e=>e.color===t.color)||(super.add(t,e),this.set("isEmpty",!1))}remove(t){const e=super.remove(t);return 0===this.length&&this.set("isEmpty",!0),e}hasColor(t){return!!this.find(e=>e.color===t)}}_n(Gf,Yn);n(66);class Kf extends lc{constructor(t,{colors:e,columns:n,removeButtonLabel:o,documentColorsLabel:i,documentColorsCount:r}){if(super(t),this.items=this.createCollection(),this.colorDefinitions=e,this.focusTracker=new xc,this.keystrokes=new Fa,this.set("selectedColor"),this.removeButtonLabel=o,this.columns=n,this.documentColors=new Gf,this.documentColorsCount=r,this.staticColorsGrid=this._createStaticColorsGrid(),this.documentColorsGrid,this._focusCycler=new Sc({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-color-table"]},children:this.items}),this.items.add(this._removeColorButton()),this.items.add(this.staticColorsGrid),r){const t=Wa.bind(this.documentColors,this.documentColors),e=new kh(this.locale);e.text=i,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)}}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)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}_removeColorButton(){const t=new yc;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 $f(this.locale,{colorDefinitions:this.colorDefinitions,columns:this.columns});return t.delegate("execute").to(this),t}_createDocumentColorsGrid(){const t=Wa.bind(this.documentColors,this.documentColors),e=new $f(this.locale,{columns:this.columns});return e.delegate("execute").to(this),e.extendTemplate({attributes:{class:t.if("isEmpty","ck-hidden")}}),e.items.bindTo(this.documentColors).using(t=>{const e=new Uf;return e.set({color:t.color,hasBorder:t.options&&t.options.hasBorder}),t.label&&e.set({label:t.label,tooltip:!0}),e.on("execute",()=>{this.fire("execute",{value:t.color})}),e}),this.documentColors.on("change:isEmpty",(t,n,o)=>{o&&(e.selectedColor=null)}),e}_addColorToDocumentColors(t){const e=this.colorDefinitions.find(e=>e.color===t);e?this.documentColors.add(Object.assign({},e)):this.documentColors.add({color:t,label:t,options:{hasBorder:!1}})}}function Jf(t,e){const n={model:{key:t,values:[]},view:{},upcastAlso:{}};for(const t of e)n.model.values.push(t.model),n.view[t.model]=t.view,t.upcastAlso&&(n.upcastAlso[t.model]=t.upcastAlso);return n}function Yf(t){return e=>e.getStyle(t).replace(/\s/g,"")}function Xf(t){return(e,n)=>n.createAttributeElement("span",{style:`${t}:${e}`},{priority:7})}function Qf(t){return"string"==typeof t?{model:t.replace(/ /g,""),label:t,hasBorder:!1,view:{name:"span",styles:{color:t}}}:{model:t.color.replace(/ /g,""),label:t.label||t.color,hasBorder:void 0!==t.hasBorder&&t.hasBorder,view:{name:"span",styles:{color:`${t.color}`}}}}class Zf extends Wf{constructor(t){super(t,"fontFamily")}}function tg(t){return t.map(eg).filter(t=>!!t)}function eg(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(ng).join(", ");return{title:n,model:n,view:{name:"span",styles:{"font-family":o},priority:7}}}(t):void 0}function ng(t){return(t=t.trim()).indexOf(" ")>0&&(t=`'${t}'`),t}class og extends Ha{static get pluginName(){return"FontFamilyEditing"}constructor(t){super(t),t.config.define("fontFamily",{options:["default","Arial, Helvetica, sans-serif","Courier New, Courier, monospace","Georgia, serif","Lucida Sans Unicode, Lucida Grande, sans-serif","Tahoma, Geneva, sans-serif","Times New Roman, Times, serif","Trebuchet MS, Helvetica, sans-serif","Verdana, Geneva, sans-serif"]})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"fontFamily"}),t.model.schema.setAttributeProperties("fontFamily",{isFormatting:!0,copyOnEnter:!0});const e=Jf("fontFamily",tg(t.config.get("fontFamily.options")).filter(t=>t.model));t.conversion.attributeToElement(e),t.commands.add("fontFamily",new Zf(t))}}class ig extends Ha{init(){const t=this.editor,e=t.t,n=this._getLocalizedOptions(),o=t.commands.get("fontFamily");t.ui.componentFactory.add("fontFamily",i=>{const r=zc(i);return Hc(r,function(t,e){const n=new go;for(const o of t){const t={type:"button",model:new Cd({commandName:"fontFamily",commandParam:o.model,label:o.title,withText:!0})};t.model.bind("isOn").to(e,"value",t=>t===o.model),o.view&&o.view.styles&&t.model.set("labelStyle",`font-family: ${o.view.styles["font-family"]}`),n.add(t)}return n}(n,o)),r.buttonView.set({label:e("az"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.03 3h6.149a.75.75 0 1 1 0 1.5h-5.514L11.03 3zm1.27 3h4.879a.75.75 0 1 1 0 1.5h-4.244L12.3 6zm1.27 3h3.609a.75.75 0 1 1 0 1.5h-2.973L13.57 9zm-2.754 2.5L8.038 4.785 5.261 11.5h5.555zm.62 1.5H4.641l-1.666 4.028H1.312l5.789-14h1.875l5.789 14h-1.663L11.436 13z"/></svg>',tooltip:!0}),r.extendTemplate({attributes:{class:"ck-font-family-dropdown"}}),r.bind("isEnabled").to(o),this.listenTo(r,"execute",e=>{t.execute(e.source.commandName,{value:e.source.commandParam}),t.editing.view.focus()}),r})}_getLocalizedOptions(){const t=this.editor,e=t.t;return tg(t.config.get("fontFamily").options).map(t=>("Default"===t.title&&(t.title=e("at")),t))}}class rg extends Ha{static get requires(){return[og,ig]}static get pluginName(){return"FontFamily"}}class sg extends Wf{constructor(t){super(t,"fontSize")}}function ag(t){return t.map(lg).filter(t=>!!t)}const cg={tiny:{title:"Tiny",model:"tiny",view:{name:"span",classes:"text-tiny",priority:7}},small:{title:"Small",model:"small",view:{name:"span",classes:"text-small",priority:7}},big:{title:"Big",model:"big",view:{name:"span",classes:"text-big",priority:7}},huge:{title:"Huge",model:"huge",view:{name:"span",classes:"text-huge",priority:7}}};function lg(t){if("object"==typeof t)return t;if(cg[t])return cg[t];if("default"===t)return{model:void 0,title:"Default"};const e=parseFloat(t);var n;return isNaN(e)?void 0:(n=e,{title:String(n),model:n,view:{name:"span",styles:{"font-size":`${n}px`},priority:7}})}class dg extends Ha{static get pluginName(){return"FontSizeEditing"}constructor(t){super(t),t.config.define("fontSize",{options:["tiny","small","default","big","huge"]});const e=Jf("fontSize",ag(this.editor.config.get("fontSize.options")).filter(t=>t.model));t.conversion.attributeToElement(e),t.commands.add("fontSize",new sg(t))}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"fontSize"}),t.model.schema.setAttributeProperties("fontSize",{isFormatting:!0,copyOnEnter:!0})}}n(68);class hg extends Ha{init(){const t=this.editor,e=t.t,n=this._getLocalizedOptions(),o=t.commands.get("fontSize");t.ui.componentFactory.add("fontSize",i=>{const r=zc(i);return Hc(r,function(t,e){const n=new go;for(const o of t){const t={type:"button",model:new Cd({commandName:"fontSize",commandParam:o.model,label:o.title,class:"ck-fontsize-option",withText:!0})};o.view&&o.view.styles&&t.model.set("labelStyle",`font-size:${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("as"),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("at"),Tiny:e("au"),Small:e("av"),Big:e("aw"),Huge:e("ax")};return ag(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 ug extends Ha{static get requires(){return[dg,hg]}static get pluginName(){return"FontSize"}}class fg extends Wf{constructor(t){super(t,"fontColor")}}class gg extends Ha{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:Yf("color")}}),t.conversion.for("downcast").attributeToElement({model:"fontColor",view:Xf("color")}),t.commands.add("fontColor",new fg(t)),t.model.schema.extend("$text",{allowAttributes:"fontColor"}),t.model.schema.setAttributeProperties("fontColor",{isFormatting:!0,copyOnEnter:!0})}}class mg extends Ha{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(`${this.componentName}.columns`),this.colorTableView}init(){const t=this.editor,e=t.t,n=t.commands.get(this.commandName),o=t.config.get(this.componentName).colors.map(Qf).filter(t=>!!t);const i=function(t,e){const n=t.t,o={Black:n("bt"),"Dim grey":n("bu"),Grey:n("bv"),"Light grey":n("bw"),White:n("bx"),Red:n("by"),Orange:n("bz"),Yellow:n("ca"),"Light green":n("cb"),Green:n("cc"),Aquamarine:n("cd"),Turquoise:n("ce"),"Light blue":n("cf"),Blue:n("cg"),Purple:n("ch")};return e.map(t=>{const e=o[t.label];return e&&e!=t.label&&(t.label=e),t})}(t,o),r=t.config.get(`${this.componentName}.documentColors`);t.ui.componentFactory.add(this.componentName,o=>{const s=zc(o);return this.colorTableView=function({dropdownView:t,colors:e,columns:n,removeButtonLabel:o,documentColorsLabel:i,documentColorsCount:r}){const s=t.locale,a=new Kf(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:e("ci"),documentColorsLabel:0!==r?e("cj"):void 0,documentColorsCount:void 0===r?this.columns:r}),this.colorTableView.bind("selectedColor").to(n,"value"),s.buttonView.set({label:this.dropdownLabel,icon:this.icon,tooltip:!0}),s.extendTemplate({attributes:{class:"ck-color-ui-dropdown"}}),s.bind("isEnabled").to(n),s.on("execute",(e,n)=>{t.execute(this.commandName,n),t.editing.view.focus()}),s.on("change:isOpen",(e,n,o)=>{o&&(0!==r&&this.colorTableView.updateDocumentColors(t.model,this.componentName),this.colorTableView.updateSelectedColors())}),s})}}class pg extends mg{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 11.5zM16 18.5H4a1 1 0 0 1 0-2h12a1 1 0 0 1 0 2z"/></svg>\n',dropdownLabel:(0,t.locale.t)("ay")})}static get pluginName(){return"FontColorUI"}}class bg extends Ha{static get requires(){return[gg,pg]}static get pluginName(){return"FontColor"}}class wg extends Wf{constructor(t){super(t,"fontBackgroundColor")}}class kg extends Ha{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.conversion.for("upcast").elementToAttribute({view:{name:"span",styles:{"background-color":/[\s\S]+/}},model:{key:"fontBackgroundColor",value:Yf("background-color")}}),t.conversion.for("downcast").attributeToElement({model:"fontBackgroundColor",view:Xf("background-color")}),t.commands.add("fontBackgroundColor",new wg(t)),t.model.schema.extend("$text",{allowAttributes:"fontBackgroundColor"}),t.model.schema.setAttributeProperties("fontBackgroundColor",{isFormatting:!0,copyOnEnter:!0})}}class _g extends mg{constructor(t){super(t,{commandName:"fontBackgroundColor",componentName:"fontBackgroundColor",icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M4 2h12a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2zm8.38 9.262H7.62L10 5.506l2.38 5.756zm.532 1.285L14.34 16h1.426L10.804 4H9.196L4.234 16H5.66l1.428-3.453h5.824z"/></svg>',dropdownLabel:(0,t.locale.t)("ba")})}static get pluginName(){return"FontBackgroundColorUI"}}class vg extends Ha{static get requires(){return[kg,_g]}static get pluginName(){return"FontBackgroundColor"}}n.d(e,"default",(function(){return yg}));class yg extends ll{}yg.builtinPlugins=[class extends Ha{static get requires(){return[fl,_l,Cl,Dl,rd]}static get pluginName(){return"Essentials"}},class extends Ha{static get requires(){return[Nf,Df]}static get pluginName(){return"Alignment"}},class extends Ha{static get requires(){return[jf,Lf]}static get pluginName(){return"RemoveFormat"}},class extends Ha{static get requires(){return[Hf,qf]}static get pluginName(){return"Underline"}},class extends Ha{static get requires(){return[rg,ug,bg,vg]}static get pluginName(){return"Font"}},class extends Ha{static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats(),this._addCodeBlockAutoformats()}_addListAutoformats(){const t=this.editor.commands;t.get("bulletedList")&&new sd(this.editor,/^[*-]\s$/,"bulletedList"),t.get("numberedList")&&new sd(this.editor,/^1[.|)]\s$/,"numberedList")}_addBasicStylesAutoformats(){const t=this.editor.commands;if(t.get("bold")){const t=ld(this.editor,"bold");new ad(this.editor,/(\*\*)([^*]+)(\*\*)$/g,t),new ad(this.editor,/(__)([^_]+)(__)$/g,t)}if(t.get("italic")){const t=ld(this.editor,"italic");new ad(this.editor,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,t),new ad(this.editor,/(?:^|[^_])(_)([^_]+)(_)$/g,t)}if(t.get("code")){const t=ld(this.editor,"code");new ad(this.editor,/(`)([^`]+)(`)$/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$`);new sd(this.editor,o,()=>{if(!t.isEnabled)return!1;this.editor.execute("heading",{value:e})})})}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&new sd(this.editor,/^>\s$/,"blockQuote")}_addCodeBlockAutoformats(){this.editor.commands.get("codeBlock")&&new sd(this.editor,/^```$/,"codeBlock")}},class extends Ha{static get requires(){return[hd,ud]}static get pluginName(){return"Bold"}},class extends Ha{static get requires(){return[fd,gd]}static get pluginName(){return"Italic"}},class extends Ha{static get requires(){return[xd,Ad]}static get pluginName(){return"Heading"}},class extends Ha{static get pluginName(){return"Indent"}static get requires(){return[Td,Rd]}},class extends Ha{static get requires(){return[bh,Ch]}static get pluginName(){return"Link"}},class extends Ha{static get requires(){return[Yh,Qh]}static get pluginName(){return"List"}},wd,class extends Ha{static get pluginName(){return"PasteFromOffice"}static get requires(){return[fl]}init(){const t=this.editor,e=[];e.push(new lu),e.push(new ou),t.plugins.get("Clipboard").on("inputTransformation",(t,n)=>{if(n.isTransformedWithPasteFromOffice)return;const o=n.dataTransfer.getData("text/html"),i=e.find(t=>t.isActive(o));i&&(i.execute(n),n.isTransformedWithPasteFromOffice=!0)},{priority:"high"})}},class extends Ha{static get requires(){return[wf,vf,Af]}static get pluginName(){return"Table"}},class extends Ha{static get requires(){return[Tf]}static get pluginName(){return"TableToolbar"}afterInit(){const t=this.editor,e=t.t,n=t.plugins.get(Tf),o=t.config.get("table.contentToolbar"),i=t.config.get("table.tableToolbar");o&&n.register("tableContent",{ariaLabel:e("a"),items:o,getRelatedElement:Su}),i&&n.register("table",{ariaLabel:e("a"),items:i,getRelatedElement:Tu})}}],yg.defaultConfig={toolbar:{items:["heading","|","bold","italic","underline","link","|","fontSize","fontFamily","fontColor","|","alignment","|","removeFormat","|","bulletedList","numberedList","|","indent","outdent","|","insertTable","undo","redo"]},table:{contentToolbar:["tableColumn","tableRow","mergeTableCells"]},language:"en"}}]).default}));
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