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cn{constructor(t,e,i,n){super(t,e,i,n),this.set("isReadOnly",!1),this.set("isFocused",!1),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}))}is(t,e=null){return e?e===this.name&&("editableElement"===t||"view:editableElement"===t||"containerElement"===t||"view:containerElement"===t||"element"===t||"view:element"===t):"editableElement"===t||"view:editableElement"===t||"containerElement"===t||"view:containerElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}destroy(){this.stopListening()}}si(vn,gn);const yn=Symbol("rootName");class xn extends vn{constructor(t,e){super(t,e),this.rootName="main"}is(t,e=null){return 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$e("view-tree-walker-unknown-direction",t.startPosition,{direction:t.direction});this.boundaries=t.boundaries||null,t.startPosition?this.position=Pn._createAt(t.startPosition):this.position=Pn._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,i,n;do{n=this.position,({done:e,value:i}=this.next())}while(!e&&t(i));e||(this.position=n)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let t=this.position.clone();const e=this.position,i=t.parent;if(null===i.parent&&t.offset===i.childCount)return{done:!0};if(i===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};let n;if(i instanceof mi){if(t.isAtEnd)return this.position=Pn._createAfter(i),this._next();n=i.data[t.offset]}else n=i.getChild(t.offset);if(n instanceof rn)return this.shallow?t.offset++:t=new Pn(n,0),this.position=t,this._formatReturnValue("elementStart",n,e,t,1);if(n instanceof mi){if(this.singleCharacters)return t=new Pn(n,0),this.position=t,this._next();{let i,o=n.data.length;return n==this._boundaryEndParent?(o=this.boundaries.end.offset,i=new bi(n,0,o),t=Pn._createAfter(i)):(i=new bi(n,0,n.data.length),t.offset++),this.position=t,this._formatReturnValue("text",i,e,t,o)}}if("string"==typeof n){let n;n=this.singleCharacters?1:(i===this._boundaryEndParent?this.boundaries.end.offset:i.data.length)-t.offset;const o=new bi(i,t.offset,n);return t.offset+=n,this.position=t,this._formatReturnValue("text",o,e,t,n)}return t=Pn._createAfter(i),this.position=t,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",i,e,t)}_previous(){let t=this.position.clone();const e=this.position,i=t.parent;if(null===i.parent&&0===t.offset)return{done:!0};if(i==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};let n;if(i instanceof mi){if(t.isAtStart)return this.position=Pn._createBefore(i),this._previous();n=i.data[t.offset-1]}else n=i.getChild(t.offset-1);if(n instanceof rn)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue("elementStart",n,e,t,1)):(t=new Pn(n,n.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",n,e,t));if(n instanceof mi){if(this.singleCharacters)return t=new Pn(n,n.data.length),this.position=t,this._previous();{let i,o=n.data.length;if(n==this._boundaryStartParent){const e=this.boundaries.start.offset;i=new bi(n,e,n.data.length-e),o=i.data.length,t=Pn._createBefore(i)}else i=new bi(n,0,n.data.length),t.offset--;return this.position=t,this._formatReturnValue("text",i,e,t,o)}}if("string"==typeof n){let n;if(this.singleCharacters)n=1;else{const e=i===this._boundaryStartParent?this.boundaries.start.offset:0;n=t.offset-e}t.offset-=n;const o=new bi(i,t.offset,n);return this.position=t,this._formatReturnValue("text",o,e,t,n)}return t=Pn._createBefore(i),this.position=t,this._formatReturnValue("elementStart",i,e,t,1)}_formatReturnValue(t,e,i,n,o){return e instanceof bi&&(e.offsetInText+e.data.length==e.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?i=Pn._createAfter(e.textNode):(n=Pn._createAfter(e.textNode),this.position=n)),0===e.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?i=Pn._createBefore(e.textNode):(n=Pn._createBefore(e.textNode),this.position=n))),{done:!1,value:{type:t,item:e,previousPosition:i,nextPosition:n,length:o}}}}class Pn{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 vn);){if(!t.parent)return null;t=t.parent}return t}getShiftedBy(t){const e=Pn._createAt(this),i=e.offset+t;return e.offset=i<0?0:i,e}getLastMatchingPosition(t,e={}){e.startPosition=this;const i=new An(e);return i.skip(t),i.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(t){const e=this.getAncestors(),i=t.getAncestors();let n=0;for(;e[n]==i[n]&&e[n];)n++;return 0===n?null:e[n-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():[],i=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset),i.push(t.offset);const n=fi(e,i);switch(n){case"prefix":return"before";case"extension":return"after";default:return e[n]<i[n]?"before":"after"}}getWalker(t={}){return t.startPosition=this,new An(t)}clone(){return new Pn(this.parent,this.offset)}static _createAt(t,e){if(t instanceof Pn)return new this(t.parent,t.offset);{const i=t;if("end"==e)e=i.is("$text")?i.data.length:i.childCount;else{if("before"==e)return this._createBefore(i);if("after"==e)return this._createAfter(i);if(0!==e&&!e)throw new $e("view-createpositionat-offset-required",i)}return new Pn(i,e)}}static _createAfter(t){if(t.is("$textProxy"))return new Pn(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new $e("view-position-after-root",t,{root:t});return new Pn(t.parent,t.index+1)}static _createBefore(t){if(t.is("$textProxy"))return new Pn(t.textNode,t.offsetInText);if(!t.parent)throw new $e("view-position-before-root",t,{root:t});return new Pn(t.parent,t.index)}}class Cn{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new An({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let t=this.start.getLastMatchingPosition(Tn,{direction:"backward"}),e=this.end.getLastMatchingPosition(Tn);return t.parent.is("$text")&&t.isAtStart&&(t=Pn._createBefore(t.parent)),e.parent.is("$text")&&e.isAtEnd&&(e=Pn._createAfter(e.parent)),new Cn(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(Tn);if(t.isAfter(this.end)||t.isEqual(this.end))return new Cn(t,t);let e=this.end.getLastMatchingPosition(Tn,{direction:"backward"});const i=t.nodeAfter,n=e.nodeBefore;return i&&i.is("$text")&&(t=new Pn(i,0)),n&&n.is("$text")&&(e=new Pn(n,n.data.length)),new Cn(t,e)}isEqual(t){return this==t||this.start.isEqual(t.start)&&this.end.isEqual(t.end)}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const i=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),n=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return i&&n}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new Cn(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Cn(t.end,this.end))):e.push(this.clone()),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,i=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(i=t.end),new Cn(e,i)}return null}getWalker(t={}){return t.boundaries=this,new An(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;let t=this.start.nodeAfter,e=this.end.nodeBefore;return this.start.parent.is("$text")&&this.start.isAtEnd&&this.start.parent.nextSibling&&(t=this.start.parent.nextSibling),this.end.parent.is("$text")&&this.end.isAtStart&&this.end.parent.previousSibling&&(e=this.end.parent.previousSibling),t&&t.is("element")&&t===e?t:null}clone(){return new Cn(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new An(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new An(t);yield e.position;for(const t of e)yield t.nextPosition}is(t){return"range"===t||"view:range"===t}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}static _createFromParentsAndOffsets(t,e,i,n){return new this(new Pn(t,e),new Pn(i,n))}static _createFromPositionAndShift(t,e){const i=t,n=t.getShiftedBy(e);return e>0?new this(i,n):new this(n,i)}static _createIn(t){return this._createFromParentsAndOffsets(t,0,t,t.childCount)}static _createOn(t){const e=t.is("$textProxy")?t.offsetSize:1;return this._createFromPositionAndShift(Pn._createBefore(t),e)}}function Tn(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function En(t){let e=0;for(const i of t)e++;return e}class Sn{constructor(t=null,e,i){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,i)}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 i=!1;for(const n of t._ranges)if(e.isEqual(n)){i=!0;break}if(!i)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=En(this.getRanges());if(e!=En(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let i=!1;for(let n of t.getRanges())if(n=n.getTrimmed(),e.start.isEqual(n.start)&&e.end.isEqual(n.end)){i=!0;break}if(!i)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(t,e,i){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof Sn||t instanceof On)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof Cn)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof Pn)this._setRanges([new Cn(t)]),this._setFakeOptions(e);else if(t instanceof gi){const n=!!i&&!!i.backward;let o;if(void 0===e)throw new $e("view-selection-setto-required-second-parameter",this);o="in"==e?Cn._createIn(t):"on"==e?Cn._createOn(t):new Cn(Pn._createAt(t,e)),this._setRanges([o],n),this._setFakeOptions(i)}else{if(!oi(t))throw new $e("view-selection-setto-not-selectable",this);this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new $e("view-selection-setfocus-no-ranges",this);const i=Pn._createAt(t,e);if("same"==i.compareWith(this.focus))return;const n=this.anchor;this._ranges.pop(),"before"==i.compareWith(n)?this._addRange(new Cn(i,n),!0):this._addRange(new Cn(n,i)),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 Cn))throw new $e("view-selection-add-range-not-range",this);this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new $e("view-selection-range-intersects",this,{addedRange:t,intersectingRange:e});this._ranges.push(new Cn(t.start,t.end))}}si(Sn,Ye);class On{constructor(t=null,e,i){this._selection=new Sn,this._selection.delegate("change").to(this),this._selection.setTo(t,e,i)}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,i){this._selection.setTo(t,e,i)}_setFocus(t,e){this._selection.setFocus(t,e)}}si(On,Ye);class Rn{constructor(t){this.selection=new On,this.roots=new ri({idProperty:"rootName"}),this.stylesProcessor=t,this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(t="main"){return this.roots.get(t)}registerPostFixer(t){this._postFixers.add(t)}destroy(){this.roots.map((t=>t.destroy())),this.stopListening()}_callPostFixers(t){let e=!1;do{for(const i of this._postFixers)if(e=i(t),e)break}while(e)}}si(Rn,gn);class In extends rn{constructor(t,e,i,n){super(t,e,i,n),this.getFillerOffset=Mn,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 $e("attribute-element-get-elements-with-same-id-no-id",this);return new Set(this._clonesGroup)}is(t,e=null){return e?e===this.name&&("attributeElement"===t||"view:attributeElement"===t||"element"===t||"view:element"===t):"attributeElement"===t||"view:attributeElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}isSimilar(t){return null!==this.id||null!==t.id?this.id===t.id:super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);return e._priority=this._priority,e._id=this._id,e}}function Mn(){if(Nn(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(Nn(t)>1)return null;t=t.parent}return!t||Nn(t)>1?null:this.childCount}function Nn(t){return Array.from(t.getChildren()).filter((t=>!t.is("uiElement"))).length}In.DEFAULT_PRIORITY=10;class Vn extends rn{constructor(t,e,i,n){super(t,e,i,n),this.getFillerOffset=Fn}is(t,e=null){return e?e===this.name&&("emptyElement"===t||"view:emptyElement"===t||"element"===t||"view:element"===t):"emptyElement"===t||"view:emptyElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof gi||Array.from(e).length>0))throw new $e("view-emptyelement-cannot-add",[this,e])}}function Fn(){return null}const Bn=navigator.userAgent.toLowerCase(),Dn=function(t){return t.indexOf("macintosh")>-1}(Bn),Ln=function(t){return!!t.match(/gecko\/\d+/)}(Bn),zn=function(t){return t.indexOf(" applewebkit/")>-1&&-1===t.indexOf("chrome")}(Bn),jn=function(t){return t.indexOf("android")>-1}(Bn),$n=(function(t){t.indexOf("chrome/")>-1&&t.indexOf("edge/")}(Bn),{isRegExpUnicodePropertySupported:function(){let t=!1;try{t=0==="ć".search(new RegExp("[\\p{L}]","u"))}catch(t){}return t}()}),qn={"⌘":"ctrl","⇧":"shift","⌥":"alt"},Wn={ctrl:"⌘",shift:"⇧",alt:"⌥"},Hn=function(){const t={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let e=65;e<=90;e++){t[String.fromCharCode(e).toLowerCase()]=e}for(let e=48;e<=57;e++)t[e-48]=e;for(let e=112;e<=123;e++)t["f"+(e-111)]=e;return t}();function Un(t){let e;if("string"==typeof t){if(e=Hn[t.toLowerCase()],!e)throw new $e("keyboard-unknown-key",null,{key:t})}else e=t.keyCode+(t.altKey?Hn.alt:0)+(t.ctrlKey?Hn.ctrl:0)+(t.shiftKey?Hn.shift:0);return e}function Kn(t){return"string"==typeof t&&(t=Xn(t)),t.map((t=>"string"==typeof t?Un(t):t)).reduce(((t,e)=>e+t),0)}function Gn(t){return Dn?Xn(t).map((t=>Wn[t.toLowerCase()]||t)).reduce(((t,e)=>t.slice(-1)in qn?t+e:t+"+"+e)):t}function Jn(t){return t==Hn.arrowright||t==Hn.arrowleft||t==Hn.arrowup||t==Hn.arrowdown}function Yn(t,e){const i=function(t,e){const i="ltr"===e;switch(t){case Hn.arrowleft:return i?"left":"right";case Hn.arrowright:return i?"right":"left";case Hn.arrowup:return"up";case Hn.arrowdown:return"down"}}(t,e);return"down"===i||"right"===i}function Xn(t){return t.split(/\s*\+\s*/)}class Zn extends rn{constructor(t,e,i,n){super(t,e,i,n),this.getFillerOffset=Qn}is(t,e=null){return e?e===this.name&&("uiElement"===t||"view:uiElement"===t||"element"===t||"view:element"===t):"uiElement"===t||"view:uiElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof gi||Array.from(e).length>0))throw new $e("view-uielement-cannot-add",this)}render(t){return this.toDomElement(t)}toDomElement(t){const e=t.createElement(this.name);for(const t of this.getAttributeKeys())e.setAttribute(t,this.getAttribute(t));return e}}function Qn(){return null}class to extends rn{constructor(t,e,i,n){super(t,e,i,n),this.getFillerOffset=eo}is(t,e=null){return e?e===this.name&&("rawElement"===t||"view:rawElement"===t||"element"===t||"view:element"===t):"rawElement"===t||"view:rawElement"===t||t===this.name||t==="view:"+this.name||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof gi||Array.from(e).length>0))throw new $e("view-rawelement-cannot-add",[this,e])}}function eo(){return null}class io{constructor(t,e){this.document=t,this._children=[],e&&this._insertChild(0,e)}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"===t||"view:documentFragment"===t}_appendChild(t){return this._insertChild(this.childCount,t)}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}_insertChild(t,e){this._fireChange("children",this);let i=0;const 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c)t.parentNode||this.domConverter.unbindDomElement(t)}_diffNodeLists(t,e){return Po(t=function(t,e){const i=Array.from(t);return 0!=i.length&&e?(i[i.length-1]==e&&i.pop(),i):i}(t,this._fakeSelectionContainer),e,Io.bind(null,this.domConverter))}_findReplaceActions(t,e,i){if(-1===t.indexOf("insert")||-1===t.indexOf("delete"))return t;let n=[],o=[],s=[];const r={equal:0,insert:0,delete:0};for(const a of t)"insert"===a?s.push(i[r.equal+r.insert]):"delete"===a?o.push(e[r.equal+r.delete]):(n=n.concat(Po(o,s,Ro).map((t=>"equal"===t?"replace":t))),n.push("equal"),o=[],s=[]),r[a]++;return n.concat(Po(o,s,Ro).map((t=>"equal"===t?"replace":t)))}_markDescendantTextToSync(t){if(t)if(t.is("$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 e.className="ck-fake-selection-container",Object.assign(e.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),e.textContent=" ",e}(e));const i=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(i,this.selection),!this._fakeSelectionNeedsUpdate(t))return;i.parentElement&&i.parentElement==t||t.appendChild(i),i.textContent=this.selection.fakeSelectionLabel||" ";const n=e.getSelection(),o=e.createRange();n.removeAllRanges(),o.selectNodeContents(i),n.addRange(o)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e))return;const 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e:es.call(e,d)))return!1}var h=s.get(t),u=s.get(e);if(h&&u)return h==e&&u==t;var f=!0;s.set(t,e),s.set(e,t);for(var p=r;++l<c;){var g=t[d=a[l]],m=e[d];if(n)var b=r?n(m,g,d,e,t,s):n(g,m,d,t,e,s);if(!(void 0===b?g===m||o(g,m,i,n,s):b)){f=!1;break}p||(p="constructor"==d)}if(f&&!p){var w=t.constructor,k=e.constructor;w==k||!("constructor"in t)||!("constructor"in e)||"function"==typeof w&&w instanceof w&&"function"==typeof k&&k instanceof k||(f=!1)}return s.delete(t),s.delete(e),f}(t,e,i,n,o,s))},as=function t(e,i,n,o,s){return e===i||(null==e||null==i||!m(e)&&!m(i)?e!=e&&i!=i:rs(e,i,n,o,t,s))},cs=function(t,e,i){var n=(i="function"==typeof i?i:void 0)?i(t,e):void 0;return void 0===n?as(t,e,void 0,i):!!n};class ls extends Ho{constructor(t){super(t),this._config={childList:!0,characterData:!0,characterDataOldValue:!0,subtree:!0},this.domConverter=t.domConverter,this.renderer=t._renderer,this._domElements=[],this._mutationObserver=new window.MutationObserver(this._onMutations.bind(this))}flush(){this._onMutations(this._mutationObserver.takeRecords())}observe(t){this._domElements.push(t),this.isEnabled&&this._mutationObserver.observe(t,this._config)}enable(){super.enable();for(const t of this._domElements)this._mutationObserver.observe(t,this._config)}disable(){super.disable(),this._mutationObserver.disconnect()}destroy(){super.destroy(),this._mutationObserver.disconnect()}_onMutations(t){if(0===t.length)return;const e=this.domConverter,i=new Map,n=new Set;for(const i of t)if("childList"===i.type){const t=e.mapDomToView(i.target);if(t&&(t.is("uiElement")||t.is("rawElement")))continue;t&&!this._isBogusBrMutation(i)&&n.add(t)}for(const o of t){const t=e.mapDomToView(o.target);if((!t||!t.is("uiElement")&&!t.is("rawElement"))&&"characterData"===o.type){const t=e.findCorrespondingViewText(o.target);t&&!n.has(t.parent)?i.set(t,{type:"text",oldText:t.data,newText:_o(o.target),node:t}):!t&&wo(o.target)&&n.add(e.mapDomToView(o.target.parentNode))}}const o=[];for(const t of i.values())this.renderer.markToSync("text",t.node),o.push(t);for(const t of n){const i=e.mapViewToDom(t),n=Array.from(t.getChildren()),s=Array.from(e.domChildrenToView(i,{withChildren:!1}));cs(n,s,a)||(this.renderer.markToSync("children",t),o.push({type:"children",oldChildren:n,newChildren:s,node:t}))}const s=t[0].target.ownerDocument.getSelection();let r=null;if(s&&s.anchorNode){const t=e.domPositionToView(s.anchorNode,s.anchorOffset),i=e.domPositionToView(s.focusNode,s.focusOffset);t&&i&&(r=new Sn(t),r.setFocus(i))}function a(t,e){if(!Array.isArray(t))return t===e||!(!t.is("$text")||!e.is("$text"))&&t.data===e.data}o.length&&(this.document.fire("mutations",o,r),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 ds{constructor(t,e,i){this.view=t,this.document=t.document,this.domEvent=e,this.domTarget=e.target,dn(this,i)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class hs extends Ho{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.checkShouldIgnoreEventFromTarget(e.target)&&this.onDomEvent(e)}),{useCapture:this.useCapture})}))}fire(t,e,i){this.isEnabled&&this.document.fire(t,new ds(this.view,e,i))}}class us extends hs{constructor(t){super(t),this.domEventType=["keydown","keyup"]}onDomEvent(t){this.fire(t.type,t,{keyCode:t.keyCode,altKey:t.altKey,ctrlKey:t.ctrlKey||t.metaKey,shiftKey:t.shiftKey,get keystroke(){return Un(this)}})}}const fs=function(){return s.Date.now()};var ps=/^\s+|\s+$/g,gs=/^[-+]0x[0-9a-f]+$/i,ms=/^0b[01]+$/i,bs=/^0o[0-7]+$/i,ws=parseInt;const ks=function(t){if("number"==typeof t)return t;if(vi(t))return NaN;if(E(t)){var e="function"==typeof t.valueOf?t.valueOf():t;t=E(e)?e+"":e}if("string"!=typeof t)return 0===t?t:+t;t=t.replace(ps,"");var i=ms.test(t);return i||bs.test(t)?ws(t.slice(2),i?2:8):gs.test(t)?NaN:+t};var _s=Math.max,vs=Math.min;const ys=function(t,e,i){var n,o,s,r,a,c,l=0,d=!1,h=!1,u=!0;if("function"!=typeof t)throw new TypeError("Expected a function");function f(e){var i=n,s=o;return n=o=void 0,l=e,r=t.apply(s,i)}function p(t){return l=t,a=setTimeout(m,e),d?f(t):r}function g(t){var i=t-c;return void 0===c||i>=e||i<0||h&&t-l>=s}function m(){var t=fs();if(g(t))return b(t);a=setTimeout(m,function(t){var i=e-(t-c);return h?vs(i,s-(t-l)):i}(t))}function b(t){return a=void 0,u&&n?f(t):(n=o=void 0,r)}function w(){var t=fs(),i=g(t);if(n=arguments,o=this,c=t,i){if(void 0===a)return p(c);if(h)return clearTimeout(a),a=setTimeout(m,e),f(c)}return void 0===a&&(a=setTimeout(m,e)),r}return e=ks(e)||0,E(i)&&(d=!!i.leading,s=(h="maxWait"in i)?_s(ks(i.maxWait)||0,e):s,u="trailing"in i?!!i.trailing:u),w.cancel=function(){void 0!==a&&clearTimeout(a),l=0,n=c=o=a=void 0},w.flush=function(){return void 0===a?r:b(fs())},w};class xs extends Ho{constructor(t){super(t),this._fireSelectionChangeDoneDebounced=ys((t=>this.document.fire("selectionChangeDone",t)),200)}observe(){const t=this.document;t.on("keydown",((e,i)=>{t.selection.isFake&&Jn(i.keyCode)&&this.isEnabled&&(i.preventDefault(),this._handleSelectionMove(i.keyCode))}),{priority:"lowest"})}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(t){const e=this.document.selection,i=new Sn(e.getRanges(),{backward:e.isBackward,fake:!1});t!=Hn.arrowleft&&t!=Hn.arrowup||i.setTo(i.getFirstPosition()),t!=Hn.arrowright&&t!=Hn.arrowdown||i.setTo(i.getLastPosition());const n={oldSelection:e,newSelection:i,domSelection:null};this.document.fire("selectionChange",n),this._fireSelectionChangeDoneDebounced(n)}}class As extends Ho{constructor(t){super(t),this.mutationObserver=t.getObserver(ls),this.selection=this.document.selection,this.domConverter=t.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=ys((t=>this.document.fire("selectionChangeDone",t)),200),this._clearInfiniteLoopInterval=setInterval((()=>this._clearInfiniteLoop()),1e3),this._loopbackCounter=0}observe(t){const e=t.ownerDocument;this._documents.has(e)||(this.listenTo(e,"selectionchange",((t,i)=>{this._handleSelectionChange(i,e)})),this._documents.add(e))}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(t,e){if(!this.isEnabled)return;const i=e.defaultView.getSelection();if(this.checkShouldIgnoreEventFromTarget(i.anchorNode))return;this.mutationObserver.flush();const n=this.domConverter.domSelectionToView(i);if(0!=n.rangeCount){if(this.view.hasDomSelection=!0,!(this.selection.isEqual(n)&&this.domConverter.isDomSelectionCorrect(i)||++this._loopbackCounter>60))if(this.selection.isSimilar(n))this.view.forceRender();else{const t={oldSelection:this.selection,newSelection:n,domSelection:i};this.document.fire("selectionChange",t),this._fireSelectionChangeDoneDebounced(t)}}else this.view.hasDomSelection=!1}_clearInfiniteLoop(){this._loopbackCounter=0}}class Ps extends hs{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",((i,n)=>{const o=e.selection.editableElement;null!==o&&o!==n.target||(e.isFocused=!1,t.forceRender())}))}onDomEvent(t){this.fire(t.type,t)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class Cs extends hs{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 Ts extends hs{constructor(t){super(t),this.domEventType=["beforeinput"]}onDomEvent(t){this.fire(t.type,t)}}function Es(t){return"[object Range]"==Object.prototype.toString.apply(t)}function Ss(t){const e=t.ownerDocument.defaultView.getComputedStyle(t);return{top:parseInt(e.borderTopWidth,10),right:parseInt(e.borderRightWidth,10),bottom:parseInt(e.borderBottomWidth,10),left:parseInt(e.borderLeftWidth,10)}}const Os=["top","right","bottom","left","width","height"];class Rs{constructor(t){const e=Es(t);if(Object.defineProperty(this,"_source",{value:t._source||t,writable:!0,enumerable:!1}),Ne(t)||e)if(e){const e=Rs.getDomRangeRects(t);Is(this,Rs.getBoundingRect(e))}else Is(this,t.getBoundingClientRect());else if(jo(t)){const{innerWidth:e,innerHeight:i}=t;Is(this,{top:0,right:e,bottom:i,left:0,width:e,height:i})}else Is(this,t)}clone(){return new Rs(this)}moveTo(t,e){return this.top=e,this.right=t+this.width,this.bottom=e+this.height,this.left=t,this}moveBy(t,e){return this.top+=e,this.right+=t,this.left+=t,this.bottom+=e,this}getIntersection(t){const e={top:Math.max(this.top,t.top),right:Math.min(this.right,t.right),bottom:Math.min(this.bottom,t.bottom),left:Math.max(this.left,t.left)};return e.width=e.right-e.left,e.height=e.bottom-e.top,e.width<0||e.height<0?null:new Rs(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(!Ms(t)){let i=t.parentNode||t.commonAncestorContainer;for(;i&&!Ms(i);){const t=new Rs(i),n=e.getIntersection(t);if(!n)return null;n.getArea()<e.getArea()&&(e=n),i=i.parentNode}}return e}isEqual(t){for(const e of Os)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,i,n;if(jo(t))e=t.innerWidth-t.document.documentElement.clientWidth,i=t.innerHeight-t.document.documentElement.clientHeight,n=t.getComputedStyle(t.document.documentElement).direction;else{const o=Ss(this._source);e=t.offsetWidth-t.clientWidth-o.left-o.right,i=t.offsetHeight-t.clientHeight-o.top-o.bottom,n=t.ownerDocument.defaultView.getComputedStyle(t).direction,this.left+=o.left,this.top+=o.top,this.right-=o.right,this.bottom-=o.bottom,this.width=this.right-this.left,this.height=this.bottom-this.top}return this.width-=e,"ltr"===n?this.right-=e:this.left+=e,this.height-=i,this.bottom-=i,this}static getDomRangeRects(t){const e=[],i=Array.from(t.getClientRects());if(i.length)for(const t of i)e.push(new Rs(t));else{let i=t.startContainer;po(i)&&(i=i.parentNode);const n=new Rs(i.getBoundingClientRect());n.right=n.left,n.width=0,e.push(n)}return e}static getBoundingRect(t){const e={left:Number.POSITIVE_INFINITY,top:Number.POSITIVE_INFINITY,right:Number.NEGATIVE_INFINITY,bottom:Number.NEGATIVE_INFINITY};let i=0;for(const n of t)i++,e.left=Math.min(e.left,n.left),e.top=Math.min(e.top,n.top),e.right=Math.max(e.right,n.right),e.bottom=Math.max(e.bottom,n.bottom);return 0==i?null:(e.width=e.right-e.left,e.height=e.bottom-e.top,new Rs(e))}}function Is(t,e){for(const i of Os)t[i]=e[i]}function Ms(t){return!!Ne(t)&&t===t.ownerDocument.body}function Ns({target:t,viewportOffset:e=0}){const i=js(t);let n=i,o=null;for(;n;){let s;s=$s(n==i?t:o),Fs(s,(()=>qs(t,n)));const r=qs(t,n);if(Vs(n,r,e),n.parent!=n){if(o=n.frameElement,n=n.parent,!o)return}else n=null}}function Vs(t,e,i){const n=e.clone().moveBy(0,i),o=e.clone().moveBy(0,-i),s=new Rs(t).excludeScrollbarsAndBorders();if(![o,n].every((t=>s.contains(t)))){let{scrollX:r,scrollY:a}=t;Ds(o,s)?a-=s.top-e.top+i:Bs(n,s)&&(a+=e.bottom-s.bottom+i),Ls(e,s)?r-=s.left-e.left+i:zs(e,s)&&(r+=e.right-s.right+i),t.scrollTo(r,a)}}function Fs(t,e){const i=js(t);let n,o;for(;t!=i.document.body;)o=e(),n=new Rs(t).excludeScrollbarsAndBorders(),n.contains(o)||(Ds(o,n)?t.scrollTop-=n.top-o.top:Bs(o,n)&&(t.scrollTop+=o.bottom-n.bottom),Ls(o,n)?t.scrollLeft-=n.left-o.left:zs(o,n)&&(t.scrollLeft+=o.right-n.right)),t=t.parentNode}function Bs(t,e){return t.bottom>e.bottom}function Ds(t,e){return t.top<e.top}function Ls(t,e){return t.left<e.left}function zs(t,e){return t.right>e.right}function js(t){return Es(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function $s(t){if(Es(t)){let e=t.commonAncestorContainer;return po(e)&&(e=e.parentNode),e}return t.parentNode}function qs(t,e){const i=js(t),n=new Rs(t);if(i===e)return n;{let t=i;for(;t!=e;){const e=t.frameElement,i=new Rs(e).excludeScrollbarsAndBorders();n.moveBy(i.left,i.top),t=t.parent}}return n}Object.assign({},{scrollViewportToShowTarget:Ns,scrollAncestorsToShowTarget:function(t){Fs($s(t),(()=>new Rs(t)))}});class Ws{constructor(t){var e;this.document=new Rn(t),this.domConverter=new Bo(this.document),this.domRoots=new Map,this.set("isRenderingInProgress",!1),this.set("hasDomSelection",!1),this._renderer=new So(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(ls),this.addObserver(As),this.addObserver(Ps),this.addObserver(us),this.addObserver(xs),this.addObserver(Cs),jn&&this.addObserver(Ts),this.document.on("keydown",vo),(e=this).document.on("keydown",((t,i)=>function(t,e,i){if(e.keyCode==Hn.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection(),n=1==t.rangeCount&&t.getRangeAt(0).collapsed;if(n||e.shiftKey){const e=t.focusNode,o=t.focusOffset,s=i.domPositionToView(e,o);if(null===s)return;let r=!1;const a=s.getLastMatchingPosition((t=>(t.item.is("uiElement")&&(r=!0),!(!t.item.is("uiElement")&&!t.item.is("attributeElement")))));if(r){const e=i.viewPositionToDom(a);n?t.collapse(e.parent,e.offset):t.extend(e.parent,e.offset)}}}}(0,i,e.domConverter))),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 i=this.document.getRoot(e);i._name=t.tagName.toLowerCase();const n={};for(const{name:e,value:o}of Array.from(t.attributes))n[e]=o,"class"===e?this._writer.addClass(o.split(" "),i):this._writer.setAttribute(e,o,i);this._initialDomRootAttributes.set(t,n);const o=()=>{this._writer.setAttribute("contenteditable",!i.isReadOnly,i),i.isReadOnly?this._writer.addClass("ck-read-only",i):this._writer.removeClass("ck-read-only",i)};o(),this.domRoots.set(e,t),this.domConverter.bindElements(t,i),this._renderer.markToSync("children",i),this._renderer.markToSync("attributes",i),this._renderer.domDocuments.add(t.ownerDocument),i.on("change:children",((t,e)=>this._renderer.markToSync("children",e))),i.on("change:attributes",((t,e)=>this._renderer.markToSync("attributes",e))),i.on("change:text",((t,e)=>this._renderer.markToSync("text",e))),i.on("change:isReadOnly",(()=>this.change(o))),i.on("change",(()=>{this._hasChangedSinceTheLastRendering=!0}));for(const i of this._observers.values())i.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach((({name:t})=>e.removeAttribute(t)));const i=this._initialDomRootAttributes.get(e);for(const t in i)e.setAttribute(t,i[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,i]of this.domRoots)e.observe(i,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&&Ns({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 $e("cannot-change-view-tree",this);try{if(this._ongoingChange)return t(this._writer);this._ongoingChange=!0;const e=t(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),e}catch(t){$e.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 Pn._createAt(t,e)}createPositionAfter(t){return Pn._createAfter(t)}createPositionBefore(t){return Pn._createBefore(t)}createRange(t,e){return new Cn(t,e)}createRangeOn(t){return Cn._createOn(t)}createRangeIn(t){return Cn._createIn(t)}createSelection(t,e,i){return new Sn(t,e,i)}_disableRendering(t){this._renderingDisabled=t,0==t&&this.change((()=>{}))}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}si(Ws,gn);class Hs{constructor(t){this.parent=null,this._attrs=wi(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new $e("model-node-not-found-in-parent",this);return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new $e("model-node-not-found-in-parent",this);return t}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}isAttached(){return this.root.is("rootElement")}getPath(){const t=[];let e=this;for(;e.parent;)t.unshift(e.startOffset),e=e.parent;return t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let i=t.includeSelf?this:this.parent;for(;i;)e[t.parentFirst?"push":"unshift"](i),i=i.parent;return e}getCommonAncestor(t,e={}){const i=this.getAncestors(e),n=t.getAncestors(e);let o=0;for(;i[o]==n[o]&&i[o];)o++;return 0===o?null:i[o-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),i=t.getPath(),n=fi(e,i);switch(n){case"prefix":return!0;case"extension":return!1;default:return e[n]<i[n]}}isAfter(t){return this!=t&&this.root===t.root&&!this.isBefore(t)}hasAttribute(t){return this._attrs.has(t)}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const t={};return this._attrs.size&&(t.attributes=Array.from(this._attrs).reduce(((t,e)=>(t[e[0]]=e[1],t)),{})),t}is(t){return"node"===t||"model:node"===t}_clone(){return new Hs(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=wi(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class Us extends Hs{constructor(t,e){super(e),this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return"$text"===t||"model:$text"===t||"text"===t||"model:text"===t||"node"===t||"model:node"===t}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new Us(this.data,this.getAttributes())}static fromJSON(t){return new Us(t.data,t.attributes)}}class Ks{constructor(t,e,i){if(this.textNode=t,e<0||e>t.offsetSize)throw new $e("model-textproxy-wrong-offsetintext",this);if(i<0||e+i>t.offsetSize)throw new $e("model-textproxy-wrong-length",this);this.data=t.data.substring(e,e+i),this.offsetInText=e}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}is(t){return"$textProxy"===t||"model:$textProxy"===t||"textProxy"===t||"model:textProxy"===t}getPath(){const t=this.textNode.getPath();return t.length>0&&(t[t.length-1]+=this.offsetInText),t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let i=t.includeSelf?this:this.parent;for(;i;)e[t.parentFirst?"push":"unshift"](i),i=i.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 Gs{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 $e("model-nodelist-index-out-of-bounds",this);return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const i of this._nodes){if(t>=e&&t<e+i.offsetSize)return this.getNodeIndex(i);e+=i.offsetSize}if(e!=t)throw new $e("model-nodelist-offset-out-of-bounds",this,{offset:t,nodeList:this});return this.length}_insertNodes(t,e){for(const t of e)if(!(t instanceof Hs))throw new $e("model-nodelist-insertnodes-not-node",this);this._nodes.splice(t,0,...e)}_removeNodes(t,e=1){return this._nodes.splice(t,e)}toJSON(){return this._nodes.map((t=>t.toJSON()))}}class Js extends Hs{constructor(t,e,i){super(e),this.name=t,this._children=new Gs,i&&this._insertChild(0,i)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(t,e=null){return e?e===this.name&&("element"===t||"model:element"===t):"element"===t||"model:element"===t||"node"===t||"model:node"===t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const i of t)e=e.getChild(e.offsetToIndex(i));return e}findAncestor(t,e={includeSelf:!1}){let i=e.includeSelf?this:this.parent;for(;i;){if(i.name===t)return i;i=i.parent}return null}toJSON(){const t=super.toJSON();if(t.name=this.name,this._children.length>0){t.children=[];for(const e of this._children)t.children.push(e.toJSON())}return t}_clone(t=!1){const e=t?Array.from(this._children).map((t=>t._clone(!0))):null;return new Js(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const i=function(t){return"string"==typeof t?[new Us(t)]:(oi(t)||(t=[t]),Array.from(t).map((t=>"string"==typeof t?new Us(t):t instanceof Ks?new Us(t.data,t.getAttributes()):t)))}(e);for(const t of i)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,i)}_removeChildren(t,e=1){const i=this._children._removeNodes(t,e);for(const t of i)t.parent=null;return i}static fromJSON(t){let e=null;if(t.children){e=[];for(const i of t.children)i.name?e.push(Js.fromJSON(i)):e.push(Us.fromJSON(i))}return new Js(t.name,t.attributes,e)}}class Ys{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new $e("model-tree-walker-no-start-position",null);const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new $e("model-tree-walker-unknown-direction",t,{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=Zs._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,i,n,o;do{n=this.position,o=this._visitedParent,({done:e,value:i}=this.next())}while(!e&&t(i));e||(this.position=n,this._visitedParent=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),i=this._visitedParent;if(null===i.parent&&e.offset===i.maxOffset)return{done:!0};if(i===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const n=e.parent,o=Qs(e,n),s=o||tr(e,n,o);if(s instanceof Js)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=s),this.position=e,Xs("elementStart",s,t,e,1);if(s instanceof Us){let n;if(this.singleCharacters)n=1;else{let t=s.endOffset;this._boundaryEndParent==i&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),n=t-e.offset}const o=e.offset-s.startOffset,r=new Ks(s,o,n);return e.offset+=n,this.position=e,Xs("text",r,t,e,n)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=i.parent,this.ignoreElementEnd?this._next():Xs("elementEnd",i,t,e)}_previous(){const t=this.position,e=this.position.clone(),i=this._visitedParent;if(null===i.parent&&0===e.offset)return{done:!0};if(i==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};const n=e.parent,o=Qs(e,n),s=o||er(e,n,o);if(s instanceof Js)return e.offset--,this.shallow?(this.position=e,Xs("elementStart",s,t,e,1)):(e.path.push(s.maxOffset),this.position=e,this._visitedParent=s,this.ignoreElementEnd?this._previous():Xs("elementEnd",s,t,e));if(s instanceof Us){let n;if(this.singleCharacters)n=1;else{let t=s.startOffset;this._boundaryStartParent==i&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),n=e.offset-t}const o=e.offset-s.startOffset,r=new Ks(s,o-n,n);return e.offset-=n,this.position=e,Xs("text",r,t,e,n)}return e.path.pop(),this.position=e,this._visitedParent=i.parent,Xs("elementStart",i,t,e,1)}}function Xs(t,e,i,n,o){return{done:!1,value:{type:t,item:e,previousPosition:i,nextPosition:n,length:o}}}class Zs{constructor(t,e,i="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new $e("model-position-root-invalid",t);if(!(e instanceof Array)||0===e.length)throw new $e("model-position-path-incorrect-format",t,{path:e});t.is("rootElement")?e=e.slice():(e=[...t.getPath(),...e],t=t.root),this.root=t,this.path=e,this.stickiness=i}get offset(){return this.path[this.path.length-1]}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;e<this.path.length-1;e++)if(t=t.getChild(t.offsetToIndex(this.path[e])),!t)throw new $e("model-position-path-incorrect",this,{position:this});if(t.is("$text"))throw new $e("model-position-path-incorrect",this,{position:this});return t}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){return Qs(this,this.parent)}get nodeAfter(){const t=this.parent;return tr(this,t,Qs(this,t))}get nodeBefore(){const t=this.parent;return er(this,t,Qs(this,t))}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(t){if(this.root!=t.root)return"different";const e=fi(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 i=new Ys(e);return i.skip(t),i.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){const t=this.parent;return t.is("documentFragment")?[t]:t.getAncestors({includeSelf:!0})}findAncestor(t){const e=this.parent;return e.is("element")?e.findAncestor(t,{includeSelf:!0}):null}getCommonPath(t){if(this.root!=t.root)return[];const e=fi(this.path,t.path),i="string"==typeof e?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,i)}getCommonAncestor(t){const e=this.getAncestors(),i=t.getAncestors();let n=0;for(;e[n]==i[n]&&e[n];)n++;return 0===n?null:e[n-1]}getShiftedBy(t){const e=this.clone(),i=e.offset+t;return e.offset=i<0?0:i,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,i=null;switch(this.compareWith(t)){case"same":return!0;case"before":e=Zs._createAt(this),i=Zs._createAt(t);break;case"after":e=Zs._createAt(t),i=Zs._createAt(this);break;default:return!1}let n=e.parent;for(;e.path.length+i.path.length;){if(e.isEqual(i))return!0;if(e.path.length>i.path.length){if(e.offset!==n.maxOffset)return!1;e.path=e.path.slice(0,-1),n=n.parent,e.offset++}else{if(0!==i.offset)return!1;i.path=i.path.slice(0,-1)}}}is(t){return"position"===t||"model:position"===t}hasSameParentAs(t){return this.root===t.root&&"same"==fi(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=Zs._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 i;return e.containsPosition(this)||e.start.isEqual(this)?(i=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(i=i._getTransformedByDeletion(t.deletionPosition,1))):i=this.isEqual(t.deletionPosition)?Zs._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),i}_getTransformedByDeletion(t,e){const i=Zs._createAt(this);if(this.root!=t.root)return i;if("same"==fi(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;i.offset-=e}}else if("prefix"==fi(t.getParentPath(),this.getParentPath())){const n=t.path.length-1;if(t.offset<=this.path[n]){if(t.offset+e>this.path[n])return null;i.path[n]-=e}}return i}_getTransformedByInsertion(t,e){const i=Zs._createAt(this);if(this.root!=t.root)return i;if("same"==fi(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&"toPrevious"!=this.stickiness)&&(i.offset+=e);else if("prefix"==fi(t.getParentPath(),this.getParentPath())){const n=t.path.length-1;t.offset<=this.path[n]&&(i.path[n]+=e)}return i}_getTransformedByMove(t,e,i){if(e=e._getTransformedByDeletion(t,i),t.isEqual(e))return Zs._createAt(this);const n=this._getTransformedByDeletion(t,i);return null===n||t.isEqual(this)&&"toNext"==this.stickiness||t.getShiftedBy(i).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(t,e):n._getTransformedByInsertion(e,i)}_getCombined(t,e){const i=t.path.length-1,n=Zs._createAt(e);return n.stickiness=this.stickiness,n.offset=n.offset+this.path[i]-t.offset,n.path=[...n.path,...this.path.slice(i+1)],n}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,i="toNone"){if(t instanceof Zs)return new Zs(t.root,t.path,t.stickiness);{const n=t;if("end"==e)e=n.maxOffset;else{if("before"==e)return this._createBefore(n,i);if("after"==e)return this._createAfter(n,i);if(0!==e&&!e)throw new $e("model-createpositionat-offset-required",[this,t])}if(!n.is("element")&&!n.is("documentFragment"))throw new $e("model-position-parent-incorrect",[this,t]);const o=n.getPath();return o.push(e),new this(n.root,o,i)}}static _createAfter(t,e){if(!t.parent)throw new $e("model-position-after-root",[this,t],{root:t});return this._createAt(t.parent,t.endOffset,e)}static _createBefore(t,e){if(!t.parent)throw new $e("model-position-before-root",t,{root:t});return this._createAt(t.parent,t.startOffset,e)}static fromJSON(t,e){if("$graveyard"===t.root){const i=new Zs(e.graveyard,t.path);return i.stickiness=t.stickiness,i}if(!e.getRoot(t.root))throw new $e("model-position-fromjson-no-root",e,{rootName:t.root});return new Zs(e.getRoot(t.root),t.path,t.stickiness)}}function Qs(t,e){const i=e.getChild(e.offsetToIndex(t.offset));return i&&i.is("$text")&&i.startOffset<t.offset?i:null}function tr(t,e,i){return null!==i?null:e.getChild(e.offsetToIndex(t.offset))}function er(t,e,i){return null!==i?null:e.getChild(e.offsetToIndex(t.offset)-1)}class ir{constructor(t,e=null){this.start=Zs._createAt(t),this.end=e?Zs._createAt(e):Zs._createAt(t),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new Ys({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==fi(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 i=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),n=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return i&&n}containsItem(t){const e=Zs._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 ir(this.start,t.start)),this.containsPosition(t.end)&&e.push(new ir(t.end,this.end))):e.push(new ir(this.start,this.end)),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,i=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(i=t.end),new ir(e,i)}return null}getJoined(t,e=!1){let i=this.isIntersecting(t);if(i||(i=this.start.isBefore(t.start)?e?this.end.isTouching(t.start):this.end.isEqual(t.start):e?t.end.isTouching(this.start):t.end.isEqual(this.start)),!i)return null;let n=this.start,o=this.end;return t.start.isBefore(n)&&(n=t.start),t.end.isAfter(o)&&(o=t.end),new ir(n,o)}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,i=Zs._createAt(this.start);let n=i.parent;for(;i.path.length>e+1;){const e=n.maxOffset-i.offset;0!==e&&t.push(new ir(i,i.getShiftedBy(e))),i.path=i.path.slice(0,-1),i.offset++,n=n.parent}for(;i.path.length<=this.end.path.length;){const e=this.end.path[i.path.length-1],n=e-i.offset;0!==n&&t.push(new ir(i,i.getShiftedBy(n))),i.offset=e,i.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new Ys(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Ys(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Ys(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 ir(this.start,this.end)]}getTransformedByOperations(t){const e=[new ir(this.start,this.end)];for(const i of t)for(let t=0;t<e.length;t++){const n=e[t].getTransformedByOperation(i);e.splice(t,1,...n),t+=n.length-1}for(let t=0;t<e.length;t++){const i=e[t];for(let n=t+1;n<e.length;n++){const t=e[n];(i.containsRange(t)||t.containsRange(i)||i.isEqual(t))&&e.splice(n,1)}}return e}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;const t=this.start.nodeAfter,e=this.end.nodeBefore;return t&&t.is("element")&&t===e?t:null}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(t,e=!1){return this._getTransformedByInsertion(t.position,t.howMany,e)}_getTransformedByMoveOperation(t,e=!1){const i=t.sourcePosition,n=t.howMany,o=t.targetPosition;return this._getTransformedByMove(i,o,n,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let i=this.end._getTransformedBySplitOperation(t);return this.end.isEqual(t.insertionPosition)&&(i=this.end.getShiftedBy(1)),e.root!=i.root&&(i=this.end.getShiftedBy(-1)),new ir(e,i)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new ir(this.start);let e=this.start._getTransformedByMergeOperation(t),i=this.end._getTransformedByMergeOperation(t);return e.root!=i.root&&(i=this.end.getShiftedBy(-1)),e.isAfter(i)?(t.sourcePosition.isBefore(t.targetPosition)?(e=Zs._createAt(i),e.offset=0):(t.deletionPosition.isEqual(e)||(i=t.deletionPosition),e=t.targetPosition),new ir(e,i)):new ir(e,i)}_getTransformedByInsertion(t,e,i=!1){if(i&&this.containsPosition(t))return[new ir(this.start,t),new ir(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const i=new ir(this.start,this.end);return i.start=i.start._getTransformedByInsertion(t,e),i.end=i.end._getTransformedByInsertion(t,e),[i]}}_getTransformedByMove(t,e,i,n=!1){if(this.isCollapsed){const n=this.start._getTransformedByMove(t,e,i);return[new ir(n)]}const o=ir._createFromPositionAndShift(t,i),s=e._getTransformedByDeletion(t,i);if(this.containsPosition(e)&&!n&&(o.containsPosition(this.start)||o.containsPosition(this.end))){const n=this.start._getTransformedByMove(t,e,i),o=this.end._getTransformedByMove(t,e,i);return[new ir(n,o)]}let r;const a=this.getDifference(o);let c=null;const l=this.getIntersection(o);if(1==a.length?c=new ir(a[0].start._getTransformedByDeletion(t,i),a[0].end._getTransformedByDeletion(t,i)):2==a.length&&(c=new ir(this.start,this.end._getTransformedByDeletion(t,i))),r=c?c._getTransformedByInsertion(s,i,null!==l||n):[],l){const t=new ir(l.start._getCombined(o.start,s),l.end._getCombined(o.start,s));2==r.length?r.splice(1,0,t):r.push(t)}return r}_getTransformedByDeletion(t,e){let i=this.start._getTransformedByDeletion(t,e),n=this.end._getTransformedByDeletion(t,e);return null==i&&null==n?null:(null==i&&(i=t),null==n&&(n=t),new ir(i,n))}static _createFromPositionAndShift(t,e){const i=t,n=t.getShiftedBy(e);return e>0?new this(i,n):new this(n,i)}static _createIn(t){return new this(Zs._createAt(t,0),Zs._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(Zs._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new $e("range-create-from-ranges-empty-array",null);if(1==t.length)return t[0].clone();const e=t[0];t.sort(((t,e)=>t.start.isAfter(e.start)?1:-1));const i=t.indexOf(e),n=new this(e.start,e.end);if(i>0)for(let e=i-1;t[e].end.isEqual(n.start);e++)n.start=Zs._createAt(t[e].start);for(let e=i+1;e<t.length&&t[e].start.isEqual(n.end);e++)n.end=Zs._createAt(t[e].end);return n}static fromJSON(t,e){return new this(Zs.fromJSON(t.start,e),Zs.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 i=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this.findPositionIn(i,e.modelPosition.offset)}),{priority:"low"}),this.on("viewToModelPosition",((t,e)=>{if(e.modelPosition)return;const i=this.findMappedViewAncestor(e.viewPosition),n=this._viewToModelMapping.get(i),o=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,i);e.modelPosition=Zs._createAt(n,o)}),{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 i=this._markerNameToElements.get(e)||new Set;i.add(t);const n=this._elementToMarkerNames.get(t)||new Set;n.add(e),this._markerNameToElements.set(e,i),this._elementToMarkerNames.set(t,n)}unbindElementFromMarkerName(t,e){const i=this._markerNameToElements.get(e);i&&(i.delete(t),0==i.size&&this._markerNameToElements.delete(e));const n=this._elementToMarkerNames.get(t);n&&(n.delete(e),0==n.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 ir(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new Cn(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 i={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",i),i.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const i=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())i.add(e);else i.add(t);return i}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,i){if(i!=t)return this._toModelOffset(t.parent,t.index,i)+this._toModelOffset(t,e,t);if(t.is("$text"))return e;let n=0;for(let i=0;i<e;i++)n+=this.getModelLength(t.getChild(i));return n}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("$text"))return t.data.length;if(t.is("uiElement"))return 0;{let e=0;for(const i of t.getChildren())e+=this.getModelLength(i);return e}}findPositionIn(t,e){let i,n=0,o=0,s=0;if(t.is("$text"))return new Pn(t,e);for(;o<e;)i=t.getChild(s),n=this.getModelLength(i),o+=n,s++;return o==e?this._moveViewPositionToTextNode(new Pn(t,s)):this.findPositionIn(i,e-(o-n))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,i=t.nodeAfter;return e instanceof mi?new Pn(e,e.data.length):i instanceof mi?new Pn(i,0):t}}si(nr,Ye);class or{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=sr(e),t instanceof Ks&&(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=sr(e),t instanceof Ks&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=sr(e),t instanceof Ks&&(t=this._getSymbolForTextProxy(t));const i=this._consumable.get(t);if(void 0===i)return null;const n=i.get(e);return void 0===n?null:n}revert(t,e){e=sr(e),t instanceof Ks&&(t=this._getSymbolForTextProxy(t));const i=this.test(t,e);return!1===i?(this._consumable.get(t).set(e,!0),!0):!0!==i&&null}_getSymbolForTextProxy(t){let e=null;const i=this._textProxyRegistry.get(t.startOffset);if(i){const n=i.get(t.endOffset);n&&(e=n.get(t.parent))}return e||(e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)),e}_addSymbolForTextProxy(t,e,i){const n=Symbol("textProxySymbol");let o,s;return o=this._textProxyRegistry.get(t),o||(o=new Map,this._textProxyRegistry.set(t,o)),s=o.get(e),s||(s=new Map,o.set(e,s)),s.set(i,n),n}}function sr(t){const e=t.split(":");return e.length>1?e[0]+":"+e[1]:e[0]}class rr{constructor(t){this.conversionApi=Object.assign({dispatcher:this},t),this._reconversionEventsMapping=new Map}convertChanges(t,e,i){for(const e of t.getMarkersToRemove())this.convertMarkerRemove(e.name,e.range,i);const n=this._mapChangesWithAutomaticReconversion(t);for(const t of n)"insert"===t.type?this.convertInsert(ir._createFromPositionAndShift(t.position,t.length),i):"remove"===t.type?this.convertRemove(t.position,t.length,t.name,i):"reconvert"===t.type?this.reconvertElement(t.element,i):this.convertAttribute(t.range,t.attributeKey,t.attributeOldValue,t.attributeNewValue,i);for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const n=e.get(t).getRange();this.convertMarkerRemove(t,n,i),this.convertMarkerAdd(t,n,i)}for(const e of t.getMarkersToAdd())this.convertMarkerAdd(e.name,e.range,i)}convertInsert(t,e){this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of Array.from(t).map(cr))this._convertInsertWithAttributes(e);this._clearConversionApi()}convertRemove(t,e,i,n){this.conversionApi.writer=n,this.fire("remove:"+i,{position:t,length:e},this.conversionApi),this._clearConversionApi()}convertAttribute(t,e,i,n,o){this.conversionApi.writer=o,this.conversionApi.consumable=this._createConsumableForRange(t,`attribute:${e}`);for(const o of t){const t={item:o.item,range:ir._createFromPositionAndShift(o.previousPosition,o.length),attributeKey:e,attributeOldValue:i,attributeNewValue:n};this._testAndFire(`attribute:${e}`,t)}this._clearConversionApi()}reconvertElement(t,e){const i=ir._createOn(t);this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(i);const n=this.conversionApi.mapper,o=n.toViewElement(t);e.remove(o),this._convertInsertWithAttributes({item:t,range:i});const s=n.toViewElement(t);for(const i of ir._createIn(t)){const{item:t}=i,o=lr(t,n);o?o.root!==s.root&&e.move(e.createRangeOn(o),n.toViewPosition(Zs._createBefore(t))):this._convertInsertWithAttributes(cr(i))}n.unbindViewElement(o),this._clearConversionApi()}convertSelection(t,e,i){const n=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=i,this.conversionApi.consumable=this._createSelectionConsumable(t,n),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of n){const i=e.getRange();if(!ar(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const n={item:t,markerName:e.name,markerRange:i};this.conversionApi.consumable.test(t,"addMarker:"+e.name)&&this.fire("addMarker:"+e.name,n,this.conversionApi)}for(const e of t.getAttributeKeys()){const i={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};this.conversionApi.consumable.test(t,"attribute:"+i.attributeKey)&&this.fire("attribute:"+i.attributeKey+":$text",i,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,i){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=i;const n="addMarker:"+t,o=new or;if(o.add(e,n),this.conversionApi.consumable=o,this.fire(n,{markerName:t,markerRange:e},this.conversionApi),o.test(e,n)){this.conversionApi.consumable=this._createConsumableForRange(e,n);for(const i of e.getItems()){if(!this.conversionApi.consumable.test(i,n))continue;const o={item:i,range:ir._createOn(i),markerName:t,markerRange:e};this.fire(n,o,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,i){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=i,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_mapReconversionTriggerEvent(t,e){this._reconversionEventsMapping.set(e,t)}_createInsertConsumable(t){const e=new or;for(const i of t){const t=i.item;e.add(t,"insert");for(const i of t.getAttributeKeys())e.add(t,"attribute:"+i)}return e}_createConsumableForRange(t,e){const i=new or;for(const n of t.getItems())i.add(n,e);return i}_createSelectionConsumable(t,e){const i=new or;i.add(t,"selection");for(const n of e)i.add(t,"addMarker:"+n.name);for(const e of t.getAttributeKeys())i.add(t,"attribute:"+e);return i}_testAndFire(t,e){this.conversionApi.consumable.test(e.item,t)&&this.fire(function(t,e){return`${t}:${e.item.name||"$text"}`}(t,e),e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}_convertInsertWithAttributes(t){this._testAndFire("insert",t);for(const e of t.item.getAttributeKeys())t.attributeKey=e,t.attributeOldValue=null,t.attributeNewValue=t.item.getAttribute(e),this._testAndFire(`attribute:${e}`,t)}_mapChangesWithAutomaticReconversion(t){const e=new Set,i=[];for(const n of t.getChanges()){const t=n.position||n.range.start,o=t.parent;if(Qs(t,o)){i.push(n);continue}const s="attribute"===n.type?tr(t,o,null):o;if(s.is("$text")){i.push(n);continue}let r;if(r="attribute"===n.type?`attribute:${n.attributeKey}:${s.name}`:`${n.type}:${n.name}`,this._isReconvertTriggerEvent(r,s.name)){if(e.has(s))continue;e.add(s),i.push({type:"reconvert",element:s})}else i.push(n)}return i}_isReconvertTriggerEvent(t,e){return this._reconversionEventsMapping.get(t)===e}}function ar(t,e,i){const n=e.getRange(),o=Array.from(t.getAncestors());return o.shift(),o.reverse(),!o.some((t=>{if(n.containsItem(t))return!!i.toViewElement(t).getCustomProperty("addHighlight")}))}function cr(t){return{item:t.item,range:ir._createFromPositionAndShift(t.previousPosition,t.length)}}function lr(t,e){if(t.is("textProxy")){const i=e.toViewPosition(Zs._createBefore(t)).parent;return i.is("$text")?i:null}return e.toViewElement(t)}si(rr,Ye);class dr{constructor(t,e,i){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,i)}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 i=!1;for(const n of t._ranges)if(e.isEqual(n)){i=!0;break}if(!i)return!1}return!0}*getRanges(){for(const t of this._ranges)yield new ir(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 ir(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 ir(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,i){if(null===t)this._setRanges([]);else if(t instanceof dr)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof ir)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof Zs)this._setRanges([new ir(t)]);else if(t instanceof Hs){const n=!!i&&!!i.backward;let o;if("in"==e)o=ir._createIn(t);else if("on"==e)o=ir._createOn(t);else{if(void 0===e)throw new $e("model-selection-setto-required-second-parameter",[this,t]);o=new ir(Zs._createAt(t,e))}this._setRanges([o],n)}else{if(!oi(t))throw new $e("model-selection-setto-not-selectable",[this,t]);this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const i=(t=Array.from(t)).some((e=>{if(!(e instanceof ir))throw new $e("model-selection-set-ranges-not-range",[this,t]);return this._ranges.every((t=>!t.isEqual(e)))}));if(t.length!==this._ranges.length||i){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 $e("model-selection-setfocus-no-ranges",[this,t]);const i=Zs._createAt(t,e);if("same"==i.compareWith(this.focus))return;const n=this.anchor;this._ranges.length&&this._popRange(),"before"==i.compareWith(n)?(this._pushRange(new ir(i,n)),this._lastRangeBackward=!0):(this._pushRange(new ir(n,i)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){this.hasAttribute(t)&&(this._attrs.delete(t),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}setAttribute(t,e){this.getAttribute(t)!==e&&(this._attrs.set(t,e),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}is(t){return"selection"===t||"model:selection"===t}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const i=fr(e.start,t);i&&pr(i,e)&&(yield i);for(const i of e.getWalker()){const n=i.item;"elementEnd"==i.type&&ur(n,t,e)&&(yield n)}const n=fr(e.end,t);n&&!e.end.isTouching(Zs._createAt(n,0))&&pr(n,e)&&(yield n)}}containsEntireContent(t=this.anchor.root){const e=Zs._createAt(t,0),i=Zs._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&i.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new ir(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++)if(t.isIntersecting(this._ranges[e]))throw new $e("model-selection-range-intersects",[this,t],{addedRange:t,intersectingRange:this._ranges[e]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function hr(t,e){return!e.has(t)&&(e.add(t),t.root.document.model.schema.isBlock(t)&&t.parent)}function ur(t,e,i){return hr(t,e)&&pr(t,i)}function fr(t,e){const i=t.parent.root.document.model.schema,n=t.parent.getAncestors({parentFirst:!0,includeSelf:!0});let o=!1;const s=n.find((t=>!o&&(o=i.isLimit(t),!o&&hr(t,e))));return n.forEach((t=>e.add(t))),s}function pr(t,e){const i=function(t){const e=t.root.document.model.schema;let i=t.parent;for(;i;){if(e.isBlock(i))return i;i=i.parent}}(t);return!i||!e.containsRange(ir._createOn(i),!0)}si(dr,Ye);class gr extends ir{constructor(t,e){super(t,e),mr.call(this)}detach(){this.stopListening()}is(t){return"liveRange"===t||"model:liveRange"===t||"range"==t||"model:range"===t}toRange(){return new ir(this.start,this.end)}static fromRange(t){return new gr(t.start,t.end)}}function mr(){this.listenTo(this.root.document.model,"applyOperation",((t,e)=>{const i=e[0];i.isDocumentOperation&&br.call(this,i)}),{priority:"low"})}function br(t){const e=this.getTransformedByOperation(t),i=ir._createFromRanges(e),n=!i.isEqual(this),o=function(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return!1}(this,t);let s=null;if(n){"$graveyard"==i.root.rootName&&(s="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=i.start,this.end=i.end,this.fire("change:range",e,{deletionPosition:s})}else o&&this.fire("change:content",this.toRange(),{deletionPosition:s})}si(gr,Ye);const wr="selection:";class kr{constructor(t){this._selection=new _r(t),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this),this._selection.delegate("change:marker").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(t){return this._selection.containsEntireContent(t)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(t){return this._selection.getAttribute(t)}hasAttribute(t){return this._selection.hasAttribute(t)}refresh(){this._selection._updateMarkers(),this._selection._updateAttributes(!1)}observeMarkers(t){this._selection.observeMarkers(t)}is(t){return"selection"===t||"model:selection"==t||"documentSelection"==t||"model:documentSelection"==t}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,i){this._selection.setTo(t,e,i)}_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 wr+t}static _isStoreAttributeKey(t){return t.startsWith(wr)}}si(kr,Ye);class _r extends dr{constructor(t){super(),this.markers=new ri({idProperty:"name"}),this._model=t.model,this._document=t,this._attributePriority=new Map,this._selectionRestorePosition=null,this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this._observedMarkers=new Set,this.listenTo(this._model,"applyOperation",((t,e)=>{const i=e[0];i.isDocumentOperation&&"marker"!=i.type&&"rename"!=i.type&&"noop"!=i.type&&(0==this._ranges.length&&this._selectionRestorePosition&&this._fixGraveyardSelection(this._selectionRestorePosition),this._selectionRestorePosition=null,this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1})))}),{priority:"lowest"}),this.on("change:range",(()=>{for(const t of this.getRanges())if(!this._document._validateSelectionRange(t))throw new $e("document-selection-wrong-position",this,{range:t})})),this.listenTo(this._model.markers,"update",((t,e,i,n)=>{this._updateMarker(e,n)})),this.listenTo(this._document,"change",((t,e)=>{!function(t,e){const i=t.document.differ;for(const n of i.getChanges()){if("insert"!=n.type)continue;const i=n.position.parent;n.length===i.maxOffset&&t.enqueueChange(e,(t=>{const e=Array.from(i.getAttributeKeys()).filter((t=>t.startsWith(wr)));for(const n of e)t.removeAttribute(n,i)}))}}(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,i){super.setTo(t,e,i),this._updateAttributes(!0),this._updateMarkers()}setFocus(t,e){super.setFocus(t,e),this._updateAttributes(!0),this._updateMarkers()}setAttribute(t,e){if(this._setAttribute(t,e)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}removeAttribute(t){if(this._removeAttribute(t)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}overrideGravity(){const t=ze();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new $e("document-selection-gravity-wrong-restore",this,{uid:t});this._overriddenGravityRegister.delete(t),this.isGravityOverridden||this._updateAttributes(!0)}observeMarkers(t){this._observedMarkers.add(t),this._updateMarkers()}_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=gr.fromRange(t);return e.on("change:range",((t,i,n)=>{if(this._hasChangedRange=!0,e.root==this._document.graveyard){this._selectionRestorePosition=n.deletionPosition;const t=this._ranges.indexOf(e);this._ranges.splice(t,1),e.detach()}})),e}_updateMarkers(){if(!this._observedMarkers.size)return;const t=[];let e=!1;for(const e of this._model.markers){const i=e.name.split(":",1)[0];if(!this._observedMarkers.has(i))continue;const n=e.getRange();for(const i of this.getRanges())n.containsRange(i,!i.isCollapsed)&&t.push(e)}const i=Array.from(this.markers);for(const i of t)this.markers.has(i)||(this.markers.add(i),e=!0);for(const i of Array.from(this.markers))t.includes(i)||(this.markers.remove(i),e=!0);e&&this.fire("change:marker",{oldMarkers:i,directChange:!1})}_updateMarker(t,e){const i=t.name.split(":",1)[0];if(!this._observedMarkers.has(i))return;let n=!1;const o=Array.from(this.markers),s=this.markers.has(t);if(e){let i=!1;for(const t of this.getRanges())if(e.containsRange(t,!t.isCollapsed)){i=!0;break}i&&!s?(this.markers.add(t),n=!0):!i&&s&&(this.markers.remove(t),n=!0)}else s&&(this.markers.remove(t),n=!0);n&&this.fire("change:marker",{oldMarkers:o,directChange:!1})}_updateAttributes(t){const e=wi(this._getSurroundingAttributes()),i=wi(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 n=[];for(const[t,e]of this.getAttributes())i.has(t)&&i.get(t)===e||n.push(t);for(const[t]of i)this.hasAttribute(t)||n.push(t);n.length>0&&this.fire("change:attribute",{attributeKeys:n,directChange:!1})}_setAttribute(t,e,i=!0){const n=i?"normal":"low";return("low"!=n||"normal"!=this._attributePriority.get(t))&&(super.getAttribute(t)!==e&&(this._attrs.set(t,e),this._attributePriority.set(t,n),!0))}_removeAttribute(t,e=!0){const i=e?"normal":"low";return!("low"==i&&"normal"==this._attributePriority.get(t)||(this._attributePriority.set(t,i),!super.hasAttribute(t)||(this._attrs.delete(t),0)))}_setAttributesTo(t){const e=new Set;for(const[e,i]of this.getAttributes())t.get(e)!==i&&this._removeAttribute(e,!1);for(const[i,n]of t)this._setAttribute(i,n,!1)&&e.add(i);return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())if(e.startsWith(wr)){const i=e.substr(wr.length);yield[i,t.getAttribute(e)]}}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let i=null;if(this.isCollapsed){const n=t.textNode?t.textNode:t.nodeBefore,o=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(i=vr(n)),i||(i=vr(o)),!this.isGravityOverridden&&!i){let t=n;for(;t&&!e.isInline(t)&&!i;)t=t.previousSibling,i=vr(t)}if(!i){let t=o;for(;t&&!e.isInline(t)&&!i;)t=t.nextSibling,i=vr(t)}i||(i=this._getStoredAttributes())}else{const t=this.getFirstRange();for(const n of t){if(n.item.is("element")&&e.isObject(n.item))break;if("text"==n.type){i=n.item.getAttributes();break}}}return i}_fixGraveyardSelection(t){const e=this._model.schema.getNearestSelectionRange(t);e&&this._pushRange(e)}}function vr(t){return t instanceof Ks||t instanceof Us?t.getAttributes():null}class yr{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers)t(e);return this}}const xr=function(t){return Ie(t,5)};class Ar extends yr{elementToElement(t){return this.add(function(t){return(t=xr(t)).view=Tr(t.view,"container"),e=>{var i;if(e.on("insert:"+t.model,(i=t.view,(t,e,n)=>{const o=i(e.item,n);if(!o)return;if(!n.consumable.consume(e.item,"insert"))return;const s=n.mapper.toViewPosition(e.range.start);n.mapper.bindElements(e.item,o),n.writer.insert(s,o)}),{priority:t.converterPriority||"normal"}),t.triggerBy){if(t.triggerBy.attributes)for(const i of t.triggerBy.attributes)e._mapReconversionTriggerEvent(t.model,`attribute:${i}:${t.model}`);if(t.triggerBy.children)for(const i of t.triggerBy.children)e._mapReconversionTriggerEvent(t.model,`insert:${i}`),e._mapReconversionTriggerEvent(t.model,`remove:${i}`)}}}(t))}attributeToElement(t){return this.add(function(t){let e="attribute:"+((t=xr(t)).model.key?t.model.key:t.model);if(t.model.name&&(e+=":"+t.model.name),t.model.values)for(const e of t.model.values)t.view[e]=Tr(t.view[e],"attribute");else t.view=Tr(t.view,"attribute");const i=Er(t);return n=>{n.on(e,function(t){return(e,i,n)=>{const o=t(i.attributeOldValue,n),s=t(i.attributeNewValue,n);if(!o&&!s)return;if(!n.consumable.consume(i.item,e.name))return;const r=n.writer,a=r.document.selection;if(i.item instanceof dr||i.item instanceof kr)r.wrap(a.getFirstRange(),s);else{let t=n.mapper.toViewRange(i.range);null!==i.attributeOldValue&&o&&(t=r.unwrap(t,o)),null!==i.attributeNewValue&&s&&r.wrap(t,s)}}}(i),{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);if(t.model.name&&(e+=":"+t.model.name),t.model.values)for(const e of t.model.values)t.view[e]=Sr(t.view[e]);else t.view=Sr(t.view);const i=Er(t);return n=>{var o;n.on(e,(o=i,(t,e,i)=>{const n=o(e.attributeOldValue,i),s=o(e.attributeNewValue,i);if(!n&&!s)return;if(!i.consumable.consume(e.item,t.name))return;const r=i.mapper.toViewElement(e.item),a=i.writer;if(!r)throw new $e("conversion-attribute-to-attribute-on-text",[e,i]);if(null!==e.attributeOldValue&&n)if("class"==n.key){const t=ci(n.value);for(const e of t)a.removeClass(e,r)}else if("style"==n.key){const t=Object.keys(n.value);for(const e of t)a.removeStyle(e,r)}else a.removeAttribute(n.key,r);if(null!==e.attributeNewValue&&s)if("class"==s.key){const t=ci(s.value);for(const e of t)a.addClass(e,r)}else if("style"==s.key){const t=Object.keys(s.value);for(const e of t)a.setStyle(e,s.value[e],r)}else a.setAttribute(s.key,s.value,r)}),{priority:t.converterPriority||"normal"})}}(t))}markerToElement(t){return this.add(function(t){return(t=xr(t)).view=Tr(t.view,"ui"),e=>{var i;e.on("addMarker:"+t.model,(i=t.view,(t,e,n)=>{e.isOpening=!0;const o=i(e,n);e.isOpening=!1;const s=i(e,n);if(!o||!s)return;const r=e.markerRange;if(r.isCollapsed&&!n.consumable.consume(r,t.name))return;for(const e of r)if(!n.consumable.consume(e.item,t.name))return;const a=n.mapper,c=n.writer;c.insert(a.toViewPosition(r.start),o),n.mapper.bindElementToMarker(o,e.markerName),r.isCollapsed||(c.insert(a.toViewPosition(r.end),s),n.mapper.bindElementToMarker(s,e.markerName)),t.stop()}),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,(t.view,(t,e,i)=>{const n=i.mapper.markerNameToElements(e.markerName);if(n){for(const t of n)i.mapper.unbindElementFromMarkerName(t,e.markerName),i.writer.clear(i.writer.createRangeOn(t),t);i.writer.clearClonedElementsGroup(e.markerName),t.stop()}}),{priority:t.converterPriority||"normal"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{var i;e.on("addMarker:"+t.model,(i=t.view,(t,e,n)=>{if(!e.item)return;if(!(e.item instanceof dr||e.item instanceof kr||e.item.is("$textProxy")))return;const o=Or(i,e,n);if(!o)return;if(!n.consumable.consume(e.item,t.name))return;const s=n.writer,r=Pr(s,o),a=s.document.selection;if(e.item instanceof dr||e.item instanceof kr)s.wrap(a.getFirstRange(),r,a);else{const t=n.mapper.toViewRange(e.range),i=s.wrap(t,r);for(const t of i.getItems())if(t.is("attributeElement")&&t.isSimilar(r)){n.mapper.bindElementToMarker(t,e.markerName);break}}}),{priority:t.converterPriority||"normal"}),e.on("addMarker:"+t.model,function(t){return(e,i,n)=>{if(!i.item)return;if(!(i.item instanceof Js))return;const o=Or(t,i,n);if(!o)return;if(!n.consumable.test(i.item,e.name))return;const s=n.mapper.toViewElement(i.item);if(s&&s.getCustomProperty("addHighlight")){n.consumable.consume(i.item,e.name);for(const t of ir._createIn(i.item))n.consumable.consume(t.item,e.name);s.getCustomProperty("addHighlight")(s,o,n.writer),n.mapper.bindElementToMarker(s,i.markerName)}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,function(t){return(e,i,n)=>{if(i.markerRange.isCollapsed)return;const o=Or(t,i,n);if(!o)return;const s=Pr(n.writer,o),r=n.mapper.markerNameToElements(i.markerName);if(r){for(const t of r)n.mapper.unbindElementFromMarkerName(t,i.markerName),t.is("attributeElement")?n.writer.unwrap(n.writer.createRangeOn(t),s):t.getCustomProperty("removeHighlight")(t,o.id,n.writer);n.writer.clearClonedElementsGroup(i.markerName),e.stop()}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}markerToData(t){return this.add(function(t){const e=(t=xr(t)).model;return t.view||(t.view=i=>({group:e,name:i.substr(t.model.length+1)})),i=>{var n;i.on("addMarker:"+e,(n=t.view,(t,e,i)=>{const o=n(e.markerName,i);if(!o)return;const s=e.markerRange;i.consumable.consume(s,t.name)&&(Cr(s,!1,i,e,o),Cr(s,!0,i,e,o),t.stop())}),{priority:t.converterPriority||"normal"}),i.on("removeMarker:"+e,function(t){return(e,i,n)=>{const o=t(i.markerName,n);if(!o)return;const s=n.mapper.markerNameToElements(i.markerName);if(s){for(const t of s)n.mapper.unbindElementFromMarkerName(t,i.markerName),t.is("containerElement")?(r(`data-${o.group}-start-before`,t),r(`data-${o.group}-start-after`,t),r(`data-${o.group}-end-before`,t),r(`data-${o.group}-end-after`,t)):n.writer.clear(n.writer.createRangeOn(t),t);n.writer.clearClonedElementsGroup(i.markerName),e.stop()}function r(t,e){if(e.hasAttribute(t)){const i=new Set(e.getAttribute(t).split(","));i.delete(o.name),0==i.size?n.writer.removeAttribute(t,e):n.writer.setAttribute(t,Array.from(i).join(","),e)}}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}}function Pr(t,e){const i=t.createAttributeElement("span",e.attributes);return e.classes&&i._addClass(e.classes),e.priority&&(i._priority=e.priority),i._id=e.id,i}function Cr(t,e,i,n,o){const s=e?t.start:t.end;if(i.schema.checkChild(s,"$text"))!function(t,e,i,n,o){const s=`${o.group}-${e?"start":"end"}`,r=o.name?{name:o.name}:null,a=i.writer.createUIElement(s,r);i.writer.insert(t,a),i.mapper.bindElementToMarker(a,n.markerName)}(i.mapper.toViewPosition(s),e,i,n,o);else{let t,r;e&&s.nodeAfter||!e&&!s.nodeBefore?(t=s.nodeAfter,r=!0):(t=s.nodeBefore,r=!1),function(t,e,i,n,o,s){const r=`data-${s.group}-${e?"start":"end"}-${i?"before":"after"}`,a=t.hasAttribute(r)?t.getAttribute(r).split(","):[];a.unshift(s.name),n.writer.setAttribute(r,a.join(","),t),n.mapper.bindElementToMarker(t,o.markerName)}(i.mapper.toViewElement(t),e,r,i,n,o)}}function Tr(t,e){return"function"==typeof t?t:(i,n)=>function(t,e,i){let n;"string"==typeof t&&(t={name:t});const o=e.writer,s=Object.assign({},t.attributes);if("container"==i)n=o.createContainerElement(t.name,s);else if("attribute"==i){const e={priority:t.priority||In.DEFAULT_PRIORITY};n=o.createAttributeElement(t.name,s,e)}else n=o.createUIElement(t.name,s);if(t.styles){const e=Object.keys(t.styles);for(const i of e)o.setStyle(i,t.styles[i],n)}if(t.classes){const e=t.classes;if("string"==typeof e)o.addClass(e,n);else for(const t of e)o.addClass(t,n)}return n}(t,n,e)}function Er(t){return t.model.values?(e,i)=>{const n=t.view[e];return n?n(e,i):null}:t.view}function Sr(t){return"string"==typeof t?e=>({key:t,value:e}):"object"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}function Or(t,e,i){const n="function"==typeof t?t(e,i):t;return n?(n.priority||(n.priority=10),n.id||(n.id=e.markerName),n):null}function Rr(t){const{schema:e,document:i}=t.model;for(const n of i.getRootNames()){const o=i.getRoot(n);if(o.isEmpty&&!e.checkChild(o,"$text")&&e.checkChild(o,"paragraph"))return t.insertElement("paragraph",o),!0}return!1}function Ir(t,e,i){const n=i.createContext(t);return!!i.checkChild(n,"paragraph")&&!!i.checkChild(n.push("paragraph"),e)}function Mr(t,e){const i=e.createElement("paragraph");return e.insert(i,t),e.createPositionAt(i,0)}class Nr extends yr{elementToElement(t){return this.add(Vr(t))}elementToAttribute(t){return this.add(function(t){Dr(t=xr(t));const e=Lr(t,!1),i=Fr(t.view),n=i?"element:"+i:"element";return i=>{i.on(n,e,{priority:t.converterPriority||"low"})}}(t))}attributeToAttribute(t){return this.add(function(t){let e=null;("string"==typeof(t=xr(t)).view||t.view.key)&&(e=function(t){"string"==typeof t.view&&(t.view={key:t.view});const e=t.view.key;let i;return i="class"==e||"style"==e?{["class"==e?"classes":"styles"]:t.view.value}:{attributes:{[e]:void 0===t.view.value?/[\s\S]*/:t.view.value}},t.view.name&&(i.name=t.view.name),t.view=i,e}(t)),Dr(t,e);const i=Lr(t,!0);return e=>{e.on("element",i,{priority:t.converterPriority||"low"})}}(t))}elementToMarker(t){return qe("upcast-helpers-element-to-marker-deprecated"),this.add(function(t){return function(t){const e=t.model;t.model=(t,i)=>{const n="string"==typeof e?e:e(t,i);return i.writer.createElement("$marker",{"data-name":n})}}(t=xr(t)),Vr(t)}(t))}dataToMarker(t){return this.add(function(t){(t=xr(t)).model||(t.model=e=>e?t.view+":"+e:t.view);const e=Br(zr(t,"start")),i=Br(zr(t,"end"));return n=>{n.on("element:"+t.view+"-start",e,{priority:t.converterPriority||"normal"}),n.on("element:"+t.view+"-end",i,{priority:t.converterPriority||"normal"});const o=je.get("low"),s=je.get("highest"),r=je.get(t.converterPriority)/s;n.on("element",function(t){return(e,i,n)=>{const o=`data-${t.view}`;function s(e,o){for(const s of o){const o=t.model(s,n),r=n.writer.createElement("$marker",{"data-name":o});n.writer.insert(r,e),i.modelCursor.isEqual(e)?i.modelCursor=i.modelCursor.getShiftedBy(1):i.modelCursor=i.modelCursor._getTransformedByInsertion(e,1),i.modelRange=i.modelRange._getTransformedByInsertion(e,1)[0]}}i.modelRange||(i=Object.assign(i,n.convertChildren(i.viewItem,i.modelCursor))),n.consumable.consume(i.viewItem,{attributes:o+"-end-after"})&&s(i.modelRange.end,i.viewItem.getAttribute(o+"-end-after").split(",")),n.consumable.consume(i.viewItem,{attributes:o+"-start-after"})&&s(i.modelRange.end,i.viewItem.getAttribute(o+"-start-after").split(",")),n.consumable.consume(i.viewItem,{attributes:o+"-end-before"})&&s(i.modelRange.start,i.viewItem.getAttribute(o+"-end-before").split(",")),n.consumable.consume(i.viewItem,{attributes:o+"-start-before"})&&s(i.modelRange.start,i.viewItem.getAttribute(o+"-start-before").split(","))}}(t),{priority:o+r})}}(t))}}function Vr(t){const e=Br(t=xr(t)),i=Fr(t.view),n=i?"element:"+i:"element";return i=>{i.on(n,e,{priority:t.converterPriority||"normal"})}}function Fr(t){return"string"==typeof t?t:"object"==typeof t&&"string"==typeof t.name?t.name:null}function Br(t){const e=new ki(t.view);return(i,n,o)=>{const s=e.match(n.viewItem);if(!s)return;const r=s.match;if(r.name=!0,!o.consumable.test(n.viewItem,r))return;const a=function(t,e,i){return t instanceof Function?t(e,i):i.writer.createElement(t)}(t.model,n.viewItem,o);a&&o.safeInsert(a,n.modelCursor)&&(o.consumable.consume(n.viewItem,r),o.convertChildren(n.viewItem,a),o.updateConversionResult(a,n))}}function Dr(t,e=null){const i=null===e||(t=>t.getAttribute(e)),n="object"!=typeof t.model?t.model:t.model.key,o="object"!=typeof t.model||void 0===t.model.value?i:t.model.value;t.model={key:n,value:o}}function Lr(t,e){const i=new ki(t.view);return(n,o,s)=>{const r=i.match(o.viewItem);if(!r)return;const a=t.model.key,c="function"==typeof t.model.value?t.model.value(o.viewItem,s):t.model.value;null!==c&&(function(t,e){const i="function"==typeof t?t(e):t;return!("object"==typeof i&&!Fr(i))&&(!i.classes&&!i.attributes&&!i.styles)}(t.view,o.viewItem)?r.match.name=!0:delete r.match.name,s.consumable.test(o.viewItem,r.match)&&(o.modelRange||(o=Object.assign(o,s.convertChildren(o.viewItem,o.modelCursor))),function(t,e,i,n){let o=!1;for(const s of Array.from(t.getItems({shallow:i})))n.schema.checkAttribute(s,e.key)&&(n.writer.setAttribute(e.key,e.value,s),o=!0);return o}(o.modelRange,{key:a,value:c},e,s)&&s.consumable.consume(o.viewItem,r.match)))}}function zr(t,e){const i={};return i.view=t.view+"-"+e,i.model=(e,i)=>{const n=e.getAttribute("name"),o=t.model(n,i);return i.writer.createElement("$marker",{"data-name":o})},i}class jr{constructor(t,e){this.model=t,this.view=new Ws(e),this.mapper=new nr,this.downcastDispatcher=new rr({mapper:this.mapper,schema:t.schema});const i=this.model.document,n=i.selection,o=this.model.markers;this.listenTo(this.model,"_beforeChanges",(()=>{this.view._disableRendering(!0)}),{priority:"highest"}),this.listenTo(this.model,"_afterChanges",(()=>{this.view._disableRendering(!1)}),{priority:"lowest"}),this.listenTo(i,"change",(()=>{this.view.change((t=>{this.downcastDispatcher.convertChanges(i.differ,o,t),this.downcastDispatcher.convertSelection(n,o,t)}))}),{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(i,n)=>{const o=n.newSelection,s=[];for(const t of o.getRanges())s.push(e.toModelRange(t));const r=t.createSelection(s,{backward:o.isBackward});r.isEqual(t.document.selection)||t.change((t=>{t.setSelection(r)}))}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",((t,e,i)=>{if(!i.consumable.consume(e.item,"insert"))return;const n=i.writer,o=i.mapper.toViewPosition(e.range.start),s=n.createText(e.item.data);n.insert(o,s)}),{priority:"lowest"}),this.downcastDispatcher.on("remove",((t,e,i)=>{const n=i.mapper.toViewPosition(e.position),o=e.position.getShiftedBy(e.length),s=i.mapper.toViewPosition(o,{isPhantom:!0}),r=i.writer.createRange(n,s),a=i.writer.remove(r.getTrimmed());for(const t of i.writer.createRangeIn(a).getItems())i.mapper.unbindViewElement(t)}),{priority:"low"}),this.downcastDispatcher.on("selection",((t,e,i)=>{const n=i.writer,o=n.document.selection;for(const t of o.getRanges())t.isCollapsed&&t.end.parent.isAttached()&&i.writer.mergeAttributes(t.start);n.setSelection(null)}),{priority:"low"}),this.downcastDispatcher.on("selection",((t,e,i)=>{const n=e.selection;if(n.isCollapsed)return;if(!i.consumable.consume(n,"selection"))return;const o=[];for(const t of n.getRanges()){const e=i.mapper.toViewRange(t);o.push(e)}i.writer.setSelection(o,{backward:n.isBackward})}),{priority:"low"}),this.downcastDispatcher.on("selection",((t,e,i)=>{const n=e.selection;if(!n.isCollapsed)return;if(!i.consumable.consume(n,"selection"))return;const o=i.writer,s=n.getFirstPosition(),r=i.mapper.toViewPosition(s),a=o.breakAttributes(r);o.setSelection(a)}),{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using((t=>{if("$graveyard"==t.rootName)return null;const e=new xn(this.view.document,t.name);return e.rootName=t.rootName,this.mapper.bindElements(t,e),e}))}destroy(){this.view.destroy(),this.stopListening()}}si(jr,gn);class $r{constructor(){this._commands=new Map}add(t,e){this._commands.set(t,e)}get(t){return this._commands.get(t)}execute(t,...e){const i=this.get(t);if(!i)throw new $e("commandcollection-command-not-found",this,{commandName:t});return i.execute(...e)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const t of this.commands())t.destroy()}}class qr{constructor(){this._consumables=new Map}add(t,e){let i;t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?i=this._consumables.get(t):(i=new Wr(t),this._consumables.set(t,i)),i.add(e))}test(t,e){const i=this._consumables.get(t);return void 0===i?null:t.is("$text")||t.is("documentFragment")?i:i.test(e)}consume(t,e){return!!this.test(t,e)&&(t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!1):this._consumables.get(t).consume(e),!0)}revert(t,e){const i=this._consumables.get(t);void 0!==i&&(t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!0):i.revert(e))}static consumablesFromElement(t){const e={element:t,name:!0,attributes:[],classes:[],styles:[]},i=t.getAttributeKeys();for(const t of i)"style"!=t&&"class"!=t&&e.attributes.push(t);const n=t.getClassNames();for(const t of n)e.classes.push(t);const o=t.getStyleNames();for(const t of o)e.styles.push(t);return e}static createFrom(t,e){if(e||(e=new qr(t)),t.is("$text"))return e.add(t),e;t.is("element")&&e.add(t,qr.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const i of t.getChildren())e=qr.createFrom(i,e);return e}}class Wr{constructor(t){this.element=t,this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._add(e,t[e])}test(t){if(t.name&&!this._canConsumeName)return this._canConsumeName;for(const e in this._consumables)if(e in t){const i=this._test(e,t[e]);if(!0!==i)return i}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 i=dt(e)?e:[e],n=this._consumables[t];for(const e of i){if("attributes"===t&&("class"===e||"style"===e))throw new $e("viewconsumable-invalid-attribute",this);if(n.set(e,!0),"styles"===t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))n.set(t,!0)}}_test(t,e){const i=dt(e)?e:[e],n=this._consumables[t];for(const e of i)if("attributes"!==t||"class"!==e&&"style"!==e){const t=n.get(e);if(void 0===t)return null;if(!t)return!1}else{const t="class"==e?"classes":"styles",i=this._test(t,[...this._consumables[t].keys()]);if(!0!==i)return i}return!0}_consume(t,e){const i=dt(e)?e:[e],n=this._consumables[t];for(const e of i)if("attributes"!==t||"class"!==e&&"style"!==e){if(n.set(e,!1),"styles"==t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))n.set(t,!1)}else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const i=dt(e)?e:[e],n=this._consumables[t];for(const e of i)if("attributes"!==t||"class"!==e&&"style"!==e)!1===n.get(e)&&n.set(e,!0);else{const t="class"==e?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}}}class Hr{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",((t,e)=>{e[0]=new Ur(e[0])}),{priority:"highest"}),this.on("checkChild",((t,e)=>{e[0]=new Ur(e[0]),e[1]=this.getDefinition(e[1])}),{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t])throw new $e("schema-cannot-register-item-twice",this,{itemName:t});this._sourceDefinitions[t]=[Object.assign({},e)],this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t])throw new $e("schema-cannot-extend-missing-item",this,{itemName:t});this._sourceDefinitions[t].push(Object.assign({},e)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(t){let e;return e="string"==typeof t?t:t.is&&(t.is("$text")||t.is("$textProxy"))?"$text":t.name,this.getDefinitions()[e]}isRegistered(t){return!!this.getDefinition(t)}isBlock(t){const e=this.getDefinition(t);return!(!e||!e.isBlock)}isLimit(t){const e=this.getDefinition(t);return!(!e||!e.isLimit&&!e.isObject)}isObject(t){const e=this.getDefinition(t);return!!e&&!!(e.isObject||e.isLimit&&e.isSelectable&&e.isContent)}isInline(t){const e=this.getDefinition(t);return!(!e||!e.isInline)}isSelectable(t){const e=this.getDefinition(t);return!(!e||!e.isSelectable&&!e.isObject)}isContent(t){const e=this.getDefinition(t);return!(!e||!e.isContent&&!e.isObject)}checkChild(t,e){return!!e&&this._checkContextMatch(e,t)}checkAttribute(t,e){const i=this.getDefinition(t.last);return!!i&&i.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof Zs){const e=t.nodeBefore,i=t.nodeAfter;if(!(e instanceof Js))throw new $e("schema-check-merge-no-element-before",this);if(!(i instanceof Js))throw new $e("schema-check-merge-no-element-after",this);return this.checkMerge(e,i)}for(const i of e.getChildren())if(!this.checkChild(t,i))return!1;return!0}addChildCheck(t){this.on("checkChild",((e,[i,n])=>{if(!n)return;const o=t(i,n);"boolean"==typeof o&&(e.stop(),e.return=o)}),{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",((e,[i,n])=>{const o=t(i,n);"boolean"==typeof o&&(e.stop(),e.return=o)}),{priority:"high"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;for(e=t instanceof Zs?t.parent:(t instanceof ir?[t]:Array.from(t.getRanges())).reduce(((t,e)=>{const i=e.getCommonAncestor();return t?t.getCommonAncestor(i,{includeSelf:!0}):i}),null);!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const i=[...t.getFirstPosition().getAncestors(),new Us("",t.getAttributes())];return this.checkAttribute(i,e)}{const i=t.getRanges();for(const t of i)for(const i of t)if(this.checkAttribute(i.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const i of t)yield*this._getValidRangesForRange(i,e)}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new ir(t);let i,n;const o=t.getAncestors().reverse().find((t=>this.isLimit(t)))||t.root;"both"!=e&&"backward"!=e||(i=new Ys({boundaries:ir._createIn(o),startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(n=new Ys({boundaries:ir._createIn(o),startPosition:t}));for(const t of function*(t,e){let i=!1;for(;!i;){if(i=!0,t){const e=t.next();e.done||(i=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(i=!1,yield{walker:e,value:t.value})}}}(i,n)){const e=t.walker==i?"elementEnd":"elementStart",n=t.value;if(n.type==e&&this.isObject(n.item))return ir._createOn(n.item);if(this.checkChild(n.nextPosition,"$text"))return new ir(n.nextPosition)}return null}findAllowedParent(t,e){let i=t.parent;for(;i;){if(this.checkChild(i,e))return i;if(this.isLimit(i))return null;i=i.parent}return null}removeDisallowedAttributes(t,e){for(const i of t)if(i.is("$text"))na(this,i,e);else{const t=ir._createIn(i).getPositions();for(const i of t)na(this,i.nodeBefore||i.parent,e)}}createContext(t){return new Ur(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,i=Object.keys(e);for(const n of i)t[n]=Kr(e[n],n);for(const e of i)Gr(t,e);for(const e of i)Jr(t,e);for(const e of i)Yr(t,e),Xr(t,e);for(const e of i)Zr(t,e),Qr(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,i=e.length-1){const n=e.getItem(i);if(t.allowIn.includes(n.name)){if(0==i)return!0;{const t=this.getDefinition(n);return this._checkContextMatch(t,e,i-1)}}return!1}*_getValidRangesForRange(t,e){let i=t.start,n=t.start;for(const o of t.getItems({shallow:!0}))o.is("element")&&(yield*this._getValidRangesForRange(ir._createIn(o),e)),this.checkAttribute(o,e)||(i.isEqual(n)||(yield new ir(i,n)),i=Zs._createAfter(o)),n=Zs._createAfter(o);i.isEqual(n)||(yield new ir(i,n))}}si(Hr,gn);class Ur{constructor(t){if(t instanceof Ur)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(ia)}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 Ur([t]);return e._items=[...this._items,...e._items],e}getItem(t){return this._items[t]}*getNames(){yield*this._items.map((t=>t.name))}endsWith(t){return Array.from(this.getNames()).join(" ").endsWith(t)}startsWith(t){return Array.from(this.getNames()).join(" ").startsWith(t)}}function Kr(t,e){const i={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(t,e){for(const i of t){const t=Object.keys(i).filter((t=>t.startsWith("is")));for(const n of t)e[n]=i[n]}}(t,i),ta(t,i,"allowIn"),ta(t,i,"allowContentOf"),ta(t,i,"allowWhere"),ta(t,i,"allowAttributes"),ta(t,i,"allowAttributesOf"),ta(t,i,"inheritTypesFrom"),function(t,e){for(const i of t){const t=i.inheritAllFrom;t&&(e.allowContentOf.push(t),e.allowWhere.push(t),e.allowAttributesOf.push(t),e.inheritTypesFrom.push(t))}}(t,i),i}function Gr(t,e){for(const i of t[e].allowContentOf)t[i]&&ea(t,i).forEach((t=>{t.allowIn.push(e)}));delete t[e].allowContentOf}function Jr(t,e){for(const i of t[e].allowWhere){const n=t[i];if(n){const i=n.allowIn;t[e].allowIn.push(...i)}}delete t[e].allowWhere}function Yr(t,e){for(const i of t[e].allowAttributesOf){const n=t[i];if(n){const i=n.allowAttributes;t[e].allowAttributes.push(...i)}}delete t[e].allowAttributesOf}function Xr(t,e){const i=t[e];for(const e of i.inheritTypesFrom){const n=t[e];if(n){const t=Object.keys(n).filter((t=>t.startsWith("is")));for(const e of t)e in i||(i[e]=n[e])}}delete i.inheritTypesFrom}function Zr(t,e){const i=t[e],n=i.allowIn.filter((e=>t[e]));i.allowIn=Array.from(new Set(n))}function Qr(t,e){const i=t[e];i.allowAttributes=Array.from(new Set(i.allowAttributes))}function ta(t,e,i){for(const n of t)"string"==typeof n[i]?e[i].push(n[i]):Array.isArray(n[i])&&e[i].push(...n[i])}function ea(t,e){const i=t[e];return(n=t,Object.keys(n).map((t=>n[t]))).filter((t=>t.allowIn.includes(i.name)));var n}function ia(t){return"string"==typeof t?{name:t,*getAttributeKeys(){},getAttribute(){}}:{name:t.is("element")?t.name:"$text",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute:e=>t.getAttribute(e)}}function na(t,e,i){for(const n of e.getAttributeKeys())t.checkAttribute(e,n)||i.removeAttribute(n,e)}class oa{constructor(t={}){this._splitParts=new Map,this._cursorParents=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},t),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.safeInsert=this._safeInsert.bind(this),this.conversionApi.updateConversionResult=this._updateConversionResult.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,i=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let i;for(const n of new Ur(t)){const t={};for(const e of n.getAttributeKeys())t[e]=n.getAttribute(e);const o=e.createElement(n.name,t);i&&e.append(o,i),i=Zs._createAt(o,0)}return i}(i,e),this.conversionApi.writer=e,this.conversionApi.consumable=qr.createFrom(t),this.conversionApi.store={};const{modelRange:n}=this._convertItem(t,this._modelCursor),o=e.createDocumentFragment();if(n){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,o);o.markers=function(t,e){const i=new Set,n=new Map,o=ir._createIn(t).getItems();for(const t of o)"$marker"==t.name&&i.add(t);for(const t of i){const i=t.getAttribute("data-name"),o=e.createPositionBefore(t);n.has(i)?n.get(i).end=o.clone():n.set(i,new ir(o.clone())),e.remove(t)}return n}(o,e)}return this._modelCursor=null,this._splitParts.clear(),this._cursorParents.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,o}_convertItem(t,e){const i=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")?this.fire("element:"+t.name,i,this.conversionApi):t.is("$text")?this.fire("text",i,this.conversionApi):this.fire("documentFragment",i,this.conversionApi),i.modelRange&&!(i.modelRange instanceof ir))throw new $e("view-conversion-dispatcher-incorrect-result",this);return{modelRange:i.modelRange,modelCursor:i.modelCursor}}_convertChildren(t,e){let i=e.is("position")?e:Zs._createAt(e,0);const n=new ir(i);for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,i);t.modelRange instanceof ir&&(n.end=t.modelRange.end,i=t.modelCursor)}return{modelRange:n,modelCursor:i}}_safeInsert(t,e){const i=this._splitToAllowedParent(t,e);return!!i&&(this.conversionApi.writer.insert(t,i.position),!0)}_updateConversionResult(t,e){const i=this._getSplitParts(t),n=this.conversionApi.writer;e.modelRange||(e.modelRange=n.createRange(n.createPositionBefore(t),n.createPositionAfter(i[i.length-1])));const o=this._cursorParents.get(t);e.modelCursor=o?n.createPositionAt(o,0):e.modelRange.end}_splitToAllowedParent(t,e){const{schema:i,writer:n}=this.conversionApi;let o=i.findAllowedParent(e,t);if(o){if(o===e.parent)return{position:e};this._modelCursor.parent.getAncestors().includes(o)&&(o=null)}if(!o)return Ir(e,t,i)?{position:Mr(e,n)}:null;const s=this.conversionApi.writer.split(e,o),r=[];for(const t of s.range.getWalker())if("elementEnd"==t.type)r.push(t.item);else{const e=r.pop(),i=t.item;this._registerSplitPair(e,i)}const a=s.range.end.parent;return this._cursorParents.set(t,a),{position:s.position,cursorParent:a}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const i=this._splitParts.get(t);this._splitParts.set(e,i),i.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()}}si(oa,Ye);class sa{getHtml(t){const e=document.implementation.createHTMLDocument("").createElement("div");return e.appendChild(t),e.innerHTML}}class ra{constructor(t){this._domParser=new DOMParser,this._domConverter=new Bo(t,{blockFillerMode:"nbsp"}),this._htmlWriter=new sa}toData(t){const e=this._domConverter.viewToDom(t,document);return this._htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this._domConverter.domToView(e)}registerRawContentMatcher(t){this._domConverter.registerRawContentMatcher(t)}_toDom(t){const e=this._domParser.parseFromString(t,"text/html"),i=e.createDocumentFragment(),n=e.body.childNodes;for(;n.length>0;)i.appendChild(n[0]);return i}}class aa{constructor(t,e){this.model=t,this.mapper=new nr,this.downcastDispatcher=new rr({mapper:this.mapper,schema:t.schema}),this.downcastDispatcher.on("insert:$text",((t,e,i)=>{if(!i.consumable.consume(e.item,"insert"))return;const n=i.writer,o=i.mapper.toViewPosition(e.range.start),s=n.createText(e.item.data);n.insert(o,s)}),{priority:"lowest"}),this.upcastDispatcher=new oa({schema:t.schema}),this.viewDocument=new Rn(e),this.stylesProcessor=e,this.htmlProcessor=new ra(this.viewDocument),this.processor=this.htmlProcessor,this._viewWriter=new no(this.viewDocument),this.upcastDispatcher.on("text",((t,e,{schema:i,consumable:n,writer:o})=>{let s=e.modelCursor;if(!n.test(e.viewItem))return;if(!i.checkChild(s,"$text")){if(!Ir(s,"$text",i))return;s=Mr(s,o)}n.consume(e.viewItem);const r=o.createText(e.viewItem.data);o.insert(r,s),e.modelRange=o.createRange(s,s.getShiftedBy(r.offsetSize)),e.modelCursor=e.modelRange.end}),{priority:"lowest"}),this.upcastDispatcher.on("element",((t,e,i)=>{if(!e.modelRange&&i.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:n}=i.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=n}}),{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",((t,e,i)=>{if(!e.modelRange&&i.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:n}=i.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=n}}),{priority:"lowest"}),this.decorate("init"),this.decorate("set"),this.on("init",(()=>{this.fire("ready")}),{priority:"lowest"}),this.on("ready",(()=>{this.model.enqueueChange("transparent",Rr)}),{priority:"lowest"})}get(t={}){const{rootName:e="main",trim:i="empty"}=t;if(!this._checkIfRootsExists([e]))throw new $e("datacontroller-get-non-existent-root",this);const n=this.model.document.getRoot(e);return"empty"!==i||this.model.hasContent(n,{ignoreWhitespaces:!0})?this.stringify(n,t):""}stringify(t,e){const i=this.toView(t,e);return this.processor.toData(i)}toView(t,e){const i=this.viewDocument,n=this._viewWriter;this.mapper.clearBindings();const o=ir._createIn(t),s=new io(i);if(this.mapper.bindElements(t,s),this.downcastDispatcher.conversionApi.options=e,this.downcastDispatcher.convertInsert(o,n),!t.is("documentFragment")){const e=function(t){const e=[],i=t.root.document;if(!i)return[];const n=ir._createIn(t);for(const t of i.model.markers){const i=n.getIntersection(t.getRange());i&&e.push([t.name,i])}return e}(t);for(const[t,i]of e)this.downcastDispatcher.convertMarkerAdd(t,i,n)}return delete this.downcastDispatcher.conversionApi.options,s}init(t){if(this.model.document.version)throw new $e("datacontroller-init-document-not-empty",this);let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new $e("datacontroller-init-non-existent-root",this);return this.model.enqueueChange("transparent",(t=>{for(const i of Object.keys(e)){const n=this.model.document.getRoot(i);t.insert(this.parse(e[i],n),n,0)}})),Promise.resolve()}set(t){let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new $e("datacontroller-set-non-existent-root",this);this.model.enqueueChange("transparent",(t=>{t.setSelection(null),t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const i of Object.keys(e)){const n=this.model.document.getRoot(i);t.remove(t.createRangeIn(n)),t.insert(this.parse(e[i],n),n,0)}}))}parse(t,e="$root"){const i=this.processor.toView(t);return this.toModel(i,e)}toModel(t,e="$root"){return this.model.change((i=>this.upcastDispatcher.convert(t,i,e)))}addStyleProcessorRules(t){t(this.stylesProcessor)}registerRawContentMatcher(t){this.processor&&this.processor!==this.htmlProcessor&&this.processor.registerRawContentMatcher(t),this.htmlProcessor.registerRawContentMatcher(t)}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t)if(!this.model.document.getRootNames().includes(e))return!1;return!0}}si(aa,gn);class ca{constructor(t,e){this._helpers=new Map,this._downcast=ci(t),this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=ci(e),this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(t,e){const i=this._downcast.includes(e);if(!this._upcast.includes(e)&&!i)throw new $e("conversion-add-alias-dispatcher-not-registered",this);this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:i})}for(t){if(!this._helpers.has(t))throw new $e("conversion-for-unknown-group",this);return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:i}of la(t))this.for("upcast").elementToElement({model:e,view:i,converterPriority:t.converterPriority})}attributeToElement(t){this.for("downcast").attributeToElement(t);for(const{model:e,view:i}of la(t))this.for("upcast").elementToAttribute({view:i,model:e,converterPriority:t.converterPriority})}attributeToAttribute(t){this.for("downcast").attributeToAttribute(t);for(const{model:e,view:i}of la(t))this.for("upcast").attributeToAttribute({view:i,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:i}){if(this._helpers.has(t))throw new $e("conversion-group-exists",this);const n=i?new Ar(e):new Nr(e);this._helpers.set(t,n)}}function*la(t){if(t.model.values)for(const e of t.model.values){const i={key:t.model.key,value:e},n=t.view[e],o=t.upcastAlso?t.upcastAlso[e]:void 0;yield*da(i,n,o)}else yield*da(t.model,t.view,t.upcastAlso)}function*da(t,e,i){if(yield{model:t,view:e},i)for(const e of ci(i))yield{model:t,view:e}}class ha{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 ua{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 fa{constructor(t){this.markers=new Map,this._children=new Gs,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 i of t)e=e.getChild(e.offsetToIndex(i));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 i of t)i.name?e.push(Js.fromJSON(i)):e.push(Us.fromJSON(i));return new fa(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const i=function(t){return"string"==typeof t?[new Us(t)]:(oi(t)||(t=[t]),Array.from(t).map((t=>"string"==typeof t?new Us(t):t instanceof Ks?new Us(t.data,t.getAttributes()):t)))}(e);for(const t of i)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,i)}_removeChildren(t,e=1){const i=this._children._removeNodes(t,e);for(const t of i)t.parent=null;return i}}function pa(t,e){const i=(e=ba(e)).reduce(((t,e)=>t+e.offsetSize),0),n=t.parent;ka(t);const o=t.index;return n._insertChild(o,e),wa(n,o+e.length),wa(n,o),new ir(t,t.getShiftedBy(i))}function ga(t){if(!t.isFlat)throw new $e("operation-utils-remove-range-not-flat",this);const e=t.start.parent;ka(t.start),ka(t.end);const i=e._removeChildren(t.start.index,t.end.index-t.start.index);return wa(e,t.start.index),i}function ma(t,e){if(!t.isFlat)throw new $e("operation-utils-move-range-not-flat",this);const i=ga(t);return pa(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),i)}function ba(t){const e=[];t instanceof Array||(t=[t]);for(let i=0;i<t.length;i++)if("string"==typeof t[i])e.push(new Us(t[i]));else if(t[i]instanceof Ks)e.push(new Us(t[i].data,t[i].getAttributes()));else if(t[i]instanceof fa||t[i]instanceof Gs)for(const n of t[i])e.push(n);else t[i]instanceof Hs&&e.push(t[i]);for(let t=1;t<e.length;t++){const i=e[t],n=e[t-1];i instanceof Us&&n instanceof Us&&_a(i,n)&&(e.splice(t-1,2,new Us(n.data+i.data,n.getAttributes())),t--)}return e}function wa(t,e){const i=t.getChild(e-1),n=t.getChild(e);if(i&&n&&i.is("$text")&&n.is("$text")&&_a(i,n)){const o=new Us(i.data+n.data,i.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,o)}}function ka(t){const e=t.textNode,i=t.parent;if(e){const n=t.offset-e.startOffset,o=e.index;i._removeChildren(o,1);const s=new Us(e.data.substr(0,n),e.getAttributes()),r=new Us(e.data.substr(n),e.getAttributes());i._insertChild(o,[s,r])}}function _a(t,e){const i=t.getAttributes(),n=e.getAttributes();for(const t of i){if(t[1]!==e.getAttribute(t[0]))return!1;n.next()}return n.next().done}const va=function(t,e){return as(t,e)};class ya extends ua{constructor(t,e,i,n,o){super(o),this.range=t.clone(),this.key=e,this.oldValue=void 0===i?null:i,this.newValue=void 0===n?null:n}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new ya(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new ya(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 $e("attribute-operation-range-not-flat",this);for(const t of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!va(t.getAttribute(this.key),this.oldValue))throw new $e("attribute-operation-wrong-old-value",this,{item:t,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&t.hasAttribute(this.key))throw new $e("attribute-operation-attribute-exists",this,{node:t,key:this.key})}}_execute(){va(this.oldValue,this.newValue)||function(t,e,i){ka(t.start),ka(t.end);for(const n of t.getItems({shallow:!0})){const t=n.is("$textProxy")?n.textNode:n;null!==i?t._setAttribute(e,i):t._removeAttribute(e),wa(t.parent,t.index)}wa(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(t,e){return new ya(ir.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class xa extends ua{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 $e("detach-operation-on-document-node",this)}_execute(){ga(ir._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class Aa extends ua{constructor(t,e,i,n){super(n),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toNext",this.howMany=e,this.targetPosition=i.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$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,i=this.sourcePosition.offset,n=this.targetPosition.offset;if(i+this.howMany>t.maxOffset)throw new $e("move-operation-nodes-do-not-exist",this);if(t===e&&i<n&&n<i+this.howMany)throw new $e("move-operation-range-into-itself",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==fi(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=i&&this.targetPosition.path[t]<i+this.howMany)throw new $e("move-operation-node-into-itself",this)}}_execute(){ma(ir._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 i=Zs.fromJSON(t.sourcePosition,e),n=Zs.fromJSON(t.targetPosition,e);return new this(i,t.howMany,n,t.baseVersion)}}class Pa extends ua{constructor(t,e,i){super(i),this.position=t.clone(),this.position.stickiness="toNone",this.nodes=new Gs(ba(e)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const t=new Gs([...this.nodes].map((t=>t._clone(!0)))),e=new Pa(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new Zs(t,[0]);return new Aa(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new $e("insert-operation-position-invalid",this)}_execute(){const t=this.nodes;this.nodes=new Gs([...t].map((t=>t._clone(!0)))),pa(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 i=[];for(const e of t.nodes)e.name?i.push(Js.fromJSON(e)):i.push(Us.fromJSON(e));const n=new Pa(Zs.fromJSON(t.position,e),i,t.baseVersion);return n.shouldReceiveAttributes=t.shouldReceiveAttributes,n}}class Ca extends ua{constructor(t,e,i,n,o,s){super(s),this.name=t,this.oldRange=e?e.clone():null,this.newRange=i?i.clone():null,this.affectsData=o,this._markers=n}get type(){return"marker"}clone(){return new Ca(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new Ca(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 Ca(t.name,t.oldRange?ir.fromJSON(t.oldRange,e):null,t.newRange?ir.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class Ta extends ua{constructor(t,e,i,n){super(n),this.position=t,this.position.stickiness="toNext",this.oldName=e,this.newName=i}get type(){return"rename"}clone(){return new Ta(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new Ta(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof Js))throw new $e("rename-operation-wrong-position",this);if(t.name!==this.oldName)throw new $e("rename-operation-wrong-name",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new Ta(Zs.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class Ea extends ua{constructor(t,e,i,n,o){super(o),this.root=t,this.key=e,this.oldValue=i,this.newValue=n}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new Ea(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Ea(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new $e("rootattribute-operation-not-a-root",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new $e("rootattribute-operation-wrong-old-value",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new $e("rootattribute-operation-attribute-exists",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const t=super.toJSON();return t.root=this.root.toJSON(),t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root))throw new $e("rootattribute-operation-fromjson-no-root",this,{rootName:t.root});return new Ea(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class Sa extends ua{constructor(t,e,i,n,o){super(o),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=e,this.targetPosition=i.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=n.clone()}get type(){return"merge"}get deletionPosition(){return new Zs(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new ir(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),i=new Zs(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),n=new Oa(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return n.insertionPosition=i,n}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!t.parent)throw new $e("merge-operation-source-position-invalid",this);if(!e.parent)throw new $e("merge-operation-target-position-invalid",this);if(this.howMany!=t.maxOffset)throw new $e("merge-operation-how-many-invalid",this)}_execute(){const t=this.sourcePosition.parent;ma(ir._createIn(t),this.targetPosition),ma(ir._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 i=Zs.fromJSON(t.sourcePosition,e),n=Zs.fromJSON(t.targetPosition,e),o=Zs.fromJSON(t.graveyardPosition,e);return new this(i,t.howMany,n,o,t.baseVersion)}}class Oa extends ua{constructor(t,e,i,n){super(n),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=Oa.getInsertionPosition(t),this.insertionPosition.stickiness="toNone",this.graveyardPosition=i?i.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 Zs(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new ir(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 Zs(t,[0]);return new Sa(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 $e("split-operation-position-invalid",this);if(!t.parent)throw new $e("split-operation-split-in-root",this);if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new $e("split-operation-how-many-invalid",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new $e("split-operation-graveyard-position-invalid",this)}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)ma(ir._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();pa(this.insertionPosition,e)}ma(new ir(Zs._createAt(t,this.splitPosition.offset),Zs._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 Zs(t.root,e)}static fromJSON(t,e){const i=Zs.fromJSON(t.splitPosition,e),n=Zs.fromJSON(t.insertionPosition,e),o=t.graveyardPosition?Zs.fromJSON(t.graveyardPosition,e):null,s=new this(i,t.howMany,o,t.baseVersion);return s.insertionPosition=n,s}}class Ra extends Js{constructor(t,e,i="main"){super(e),this._document=t,this.rootName=i}get document(){return this._document}is(t,e){return e?e===this.name&&("rootElement"===t||"model:rootElement"===t||"element"===t||"model:element"===t):"rootElement"===t||"model:rootElement"===t||"element"===t||"model:element"===t||"node"===t||"model:node"===t}toJSON(){return this.rootName}}class Ia{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new Us(t,e)}createElement(t,e){return new Js(t,e)}createDocumentFragment(){return new fa}cloneElement(t,e=!0){return t._clone(e)}insert(t,e,i=0){if(this._assertWriterUsedCorrectly(),t instanceof Us&&""==t.data)return;const n=Zs._createAt(e,i);if(t.parent){if(Ba(t.root,n.root))return void this.move(ir._createOn(t),n);if(t.root.document)throw new $e("model-writer-insert-forbidden-move",this);this.remove(t)}const o=n.root.document?n.root.document.version:null,s=new Pa(n,t,o);if(t instanceof Us&&(s.shouldReceiveAttributes=!0),this.batch.addOperation(s),this.model.applyOperation(s),t instanceof fa)for(const[e,i]of t.markers){const t=Zs._createAt(i.root,0),o={range:new ir(i.start._getCombined(t,n),i.end._getCombined(t,n)),usingOperation:!0,affectsData:!0};this.model.markers.has(e)?this.updateMarker(e,o):this.addMarker(e,o)}}insertText(t,e,i,n){e instanceof fa||e instanceof Js||e instanceof Zs?this.insert(this.createText(t),e,i):this.insert(this.createText(t,e),i,n)}insertElement(t,e,i,n){e instanceof fa||e instanceof Js||e instanceof Zs?this.insert(this.createElement(t),e,i):this.insert(this.createElement(t,e),i,n)}append(t,e){this.insert(t,e,"end")}appendText(t,e,i){e instanceof fa||e instanceof Js?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),i,"end")}appendElement(t,e,i){e instanceof fa||e instanceof Js?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),i,"end")}setAttribute(t,e,i){if(this._assertWriterUsedCorrectly(),i instanceof ir){const n=i.getMinimalFlatRanges();for(const i of n)Ma(this,t,e,i)}else Na(this,t,e,i)}setAttributes(t,e){for(const[i,n]of wi(t))this.setAttribute(i,n,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof ir){const i=e.getMinimalFlatRanges();for(const e of i)Ma(this,t,null,e)}else Na(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof ir)for(const i of t.getItems())e(i);else e(t)}move(t,e,i){if(this._assertWriterUsedCorrectly(),!(t instanceof ir))throw new $e("writer-move-invalid-range",this);if(!t.isFlat)throw new $e("writer-move-range-not-flat",this);const n=Zs._createAt(e,i);if(n.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!Ba(t.root,n.root))throw new $e("writer-move-different-document",this);const o=t.root.document?t.root.document.version:null,s=new Aa(t.start,t.end.offset-t.start.offset,n,o);this.batch.addOperation(s),this.model.applyOperation(s)}remove(t){this._assertWriterUsedCorrectly();const e=(t instanceof ir?t:ir._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers("move",t),Fa(t.start,t.end.offset-t.start.offset,this.batch,this.model)}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,i=t.nodeAfter;if(this._addOperationForAffectedMarkers("merge",t),!(e instanceof Js))throw new $e("writer-merge-no-element-before",this);if(!(i instanceof Js))throw new $e("writer-merge-no-element-after",this);t.root.document?this._merge(t):this._mergeDetached(t)}createPositionFromPath(t,e,i){return this.model.createPositionFromPath(t,e,i)}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,i){return this.model.createSelection(t,e,i)}_mergeDetached(t){const e=t.nodeBefore,i=t.nodeAfter;this.move(ir._createIn(i),Zs._createAt(e,"end")),this.remove(i)}_merge(t){const e=Zs._createAt(t.nodeBefore,"end"),i=Zs._createAt(t.nodeAfter,0),n=t.root.document.graveyard,o=new Zs(n,[0]),s=t.root.document.version,r=new Sa(i,t.nodeAfter.maxOffset,e,o,s);this.batch.addOperation(r),this.model.applyOperation(r)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof Js))throw new $e("writer-rename-not-element-instance",this);const i=t.root.document?t.root.document.version:null,n=new Ta(Zs._createBefore(t),t.name,e,i);this.batch.addOperation(n),this.model.applyOperation(n)}split(t,e){this._assertWriterUsedCorrectly();let i,n,o=t.parent;if(!o.parent)throw new $e("writer-split-element-no-parent",this);if(e||(e=o.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new $e("writer-split-invalid-limit-element",this);do{const e=o.root.document?o.root.document.version:null,s=o.maxOffset-t.offset,r=new Oa(t,s,null,e);this.batch.addOperation(r),this.model.applyOperation(r),i||n||(i=o,n=t.parent.nextSibling),o=(t=this.createPositionAfter(t.parent)).parent}while(o!==e);return{position:t,range:new ir(Zs._createAt(i,"end"),Zs._createAt(n,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new $e("writer-wrap-range-not-flat",this);const i=e instanceof Js?e:new Js(e);if(i.childCount>0)throw new $e("writer-wrap-element-not-empty",this);if(null!==i.parent)throw new $e("writer-wrap-element-attached",this);this.insert(i,t.start);const n=new ir(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(n,Zs._createAt(i,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new $e("writer-unwrap-element-no-parent",this);this.move(ir._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||"boolean"!=typeof e.usingOperation)throw new $e("writer-addmarker-no-usingoperation",this);const i=e.usingOperation,n=e.range,o=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new $e("writer-addmarker-marker-exists",this);if(!n)throw new $e("writer-addmarker-no-range",this);return i?(Va(this,t,null,n,o),this.model.markers.get(t)):this.model.markers._set(t,n,i,o)}updateMarker(t,e){this._assertWriterUsedCorrectly();const i="string"==typeof t?t:t.name,n=this.model.markers.get(i);if(!n)throw new $e("writer-updatemarker-marker-not-exists",this);if(!e)return void this.model.markers._refresh(n);const o="boolean"==typeof e.usingOperation,s="boolean"==typeof e.affectsData,r=s?e.affectsData:n.affectsData;if(!o&&!e.range&&!s)throw new $e("writer-updatemarker-wrong-options",this);const a=n.getRange(),c=e.range?e.range:a;o&&e.usingOperation!==n.managedUsingOperations?e.usingOperation?Va(this,i,null,c,r):(Va(this,i,a,null,r),this.model.markers._set(i,c,void 0,r)):n.managedUsingOperations?Va(this,i,a,c,r):this.model.markers._set(i,c,void 0,r)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new $e("writer-removemarker-no-marker",this);const i=this.model.markers.get(e);i.managedUsingOperations?Va(this,e,i.getRange(),null,i.affectsData):this.model.markers._remove(e)}setSelection(t,e,i){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(t,e,i)}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,i]of wi(t))this._setSelectionAttribute(e,i)}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 i=this.model.document.selection;if(i.isCollapsed&&i.anchor.parent.isEmpty){const n=kr._getStoreAttributeKey(t);this.setAttribute(n,e,i.anchor.parent)}i._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const i=kr._getStoreAttributeKey(t);this.removeAttribute(i,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new $e("writer-incorrect-use",this)}_addOperationForAffectedMarkers(t,e){for(const i of this.model.markers){if(!i.managedUsingOperations)continue;const n=i.getRange();let o=!1;if("move"===t)o=e.containsPosition(n.start)||e.start.isEqual(n.start)||e.containsPosition(n.end)||e.end.isEqual(n.end);else{const t=e.nodeBefore,i=e.nodeAfter,s=n.start.parent==t&&n.start.isAtEnd,r=n.end.parent==i&&0==n.end.offset,a=n.end.nodeAfter==i,c=n.start.nodeAfter==i;o=s||r||a||c}o&&this.updateMarker(i.name,{range:n})}}}function Ma(t,e,i,n){const o=t.model,s=o.document;let r,a,c,l=n.start;for(const t of n.getWalker({shallow:!0}))c=t.item.getAttribute(e),r&&a!=c&&(a!=i&&d(),l=r),r=t.nextPosition,a=c;function d(){const n=new ir(l,r),c=n.root.document?s.version:null,d=new ya(n,e,a,i,c);t.batch.addOperation(d),o.applyOperation(d)}r instanceof Zs&&r!=l&&a!=i&&d()}function Na(t,e,i,n){const o=t.model,s=o.document,r=n.getAttribute(e);let a,c;if(r!=i){if(n.root===n){const t=n.document?s.version:null;c=new Ea(n,e,r,i,t)}else{a=new ir(Zs._createBefore(n),t.createPositionAfter(n));const o=a.root.document?s.version:null;c=new ya(a,e,r,i,o)}t.batch.addOperation(c),o.applyOperation(c)}}function Va(t,e,i,n,o){const s=t.model,r=s.document,a=new Ca(e,i,n,s.markers,o,r.version);t.batch.addOperation(a),s.applyOperation(a)}function Fa(t,e,i,n){let o;if(t.root.document){const i=n.document,s=new Zs(i.graveyard,[0]);o=new Aa(t,e,s,i.version)}else o=new xa(t,e);i.addOperation(o),n.applyOperation(o)}function Ba(t,e){return t===e||t instanceof Ra&&e instanceof Ra}class Da{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=ir._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),i=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),i||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=ir._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 i=t.graveyardPosition.parent;this._markInsert(i,t.graveyardPosition.offset,1);const n=t.targetPosition.parent;this._isInInsertedElement(n)||this._markInsert(n,t.targetPosition.offset,e.maxOffset);break}}this._cachedChanges=null}bufferMarkerChange(t,e,i,n){const o=this._changedMarkers.get(t);o?(o.newRange=i,o.affectsData=n,null==o.oldRange&&null==o.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:i,affectsData:n})}getMarkersToRemove(){const t=[];for(const[e,i]of this._changedMarkers)null!=i.oldRange&&t.push({name:e,range:i.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,i]of this._changedMarkers)null!=i.newRange&&t.push({name:e,range:i.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();let e=[];for(const t of this._changesInElement.keys()){const i=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)),n=this._elementSnapshots.get(t),o=La(t.getChildren()),s=za(n.length,i);let r=0,a=0;for(const i of s)if("i"===i)e.push(this._getInsertDiff(t,r,o[r].name)),r++;else if("r"===i)e.push(this._getRemoveDiff(t,r,n[a].name)),a++;else if("a"===i){const i=o[r].attributes,s=n[a].attributes;let c;if("$text"==o[r].name)c=new ir(Zs._createAt(t,r),Zs._createAt(t,r+1));else{const e=t.offsetToIndex(r);c=new ir(Zs._createAt(t,r),Zs._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(c,s,i)),r++,a++}else r++,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,i=0;t<e.length;t++){const n=e[i],o=e[t],s="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,a="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;s||r||a?(n.length++,a&&(n.range.end=n.range.end.getShiftedBy(1)),e[t]=null):i=t}e=e.filter((t=>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.filter(ja),t.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(t,e,i){const n={type:"insert",offset:e,howMany:i,count:this._changeCount++};this._markChange(t,n)}_markRemove(t,e,i){const n={type:"remove",offset:e,howMany:i,count:this._changeCount++};this._markChange(t,n),this._removeAllNestedChanges(t,e,i)}_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 i=this._getChangesForElement(t);this._handleChange(e,i),i.push(e);for(let t=0;t<i.length;t++)i[t].howMany<1&&(i.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,La(t.getChildren()))}_handleChange(t,e){t.nodesToHandle=t.howMany;for(const i of e){const n=t.offset+t.howMany,o=i.offset+i.howMany;if("insert"==t.type&&("insert"==i.type&&(t.offset<=i.offset?i.offset+=t.howMany:t.offset<o&&(i.howMany+=t.nodesToHandle,t.nodesToHandle=0)),"remove"==i.type&&t.offset<i.offset&&(i.offset+=t.howMany),"attribute"==i.type))if(t.offset<=i.offset)i.offset+=t.howMany;else if(t.offset<o){const o=i.howMany;i.howMany=t.offset-i.offset,e.unshift({type:"attribute",offset:n,howMany:o-i.howMany,count:this._changeCount++})}if("remove"==t.type){if("insert"==i.type)if(n<=i.offset)i.offset-=t.howMany;else if(n<=o)if(t.offset<i.offset){const e=n-i.offset;i.offset=t.offset,i.howMany-=e,t.nodesToHandle-=e}else i.howMany-=t.nodesToHandle,t.nodesToHandle=0;else if(t.offset<=i.offset)t.nodesToHandle-=i.howMany,i.howMany=0;else if(t.offset<o){const e=o-t.offset;i.howMany-=e,t.nodesToHandle-=e}if("remove"==i.type&&(n<=i.offset?i.offset-=t.howMany:t.offset<i.offset&&(t.nodesToHandle+=i.howMany,i.howMany=0)),"attribute"==i.type)if(n<=i.offset)i.offset-=t.howMany;else if(t.offset<i.offset){const e=n-i.offset;i.offset=t.offset,i.howMany-=e}else if(t.offset<o)if(n<=o){const n=i.howMany;i.howMany=t.offset-i.offset;const o=n-i.howMany-t.nodesToHandle;e.unshift({type:"attribute",offset:t.offset,howMany:o,count:this._changeCount++})}else i.howMany-=o-t.offset}if("attribute"==t.type){if("insert"==i.type)if(t.offset<i.offset&&n>i.offset){if(n>o){const t={type:"attribute",offset:o,howMany:n-o,count:this._changeCount++};this._handleChange(t,e),e.push(t)}t.nodesToHandle=i.offset-t.offset,t.howMany=t.nodesToHandle}else t.offset>=i.offset&&t.offset<o&&(n>o?(t.nodesToHandle=n-o,t.offset=o):t.nodesToHandle=0);if("remove"==i.type&&t.offset<i.offset&&n>i.offset){const o={type:"attribute",offset:i.offset,howMany:n-i.offset,count:this._changeCount++};this._handleChange(o,e),e.push(o),t.nodesToHandle=i.offset-t.offset,t.howMany=t.nodesToHandle}"attribute"==i.type&&(t.offset>=i.offset&&n<=o?(t.nodesToHandle=0,t.howMany=0,t.offset=0):t.offset<=i.offset&&n>=o&&(i.howMany=0))}}t.howMany=t.nodesToHandle,delete t.nodesToHandle}_getInsertDiff(t,e,i){return{type:"insert",position:Zs._createAt(t,e),name:i,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,i){return{type:"remove",position:Zs._createAt(t,e),name:i,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,i){const n=[];i=new Map(i);for(const[o,s]of e){const e=i.has(o)?i.get(o):null;e!==s&&n.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:o,attributeOldValue:s,attributeNewValue:e,changeCount:this._changeCount++}),i.delete(o)}for(const[e,o]of i)n.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:o,changeCount:this._changeCount++});return n}_isInInsertedElement(t){const e=t.parent;if(!e)return!1;const i=this._changesInElement.get(e),n=t.startOffset;if(i)for(const t of i)if("insert"==t.type&&n>=t.offset&&n<t.offset+t.howMany)return!0;return this._isInInsertedElement(e)}_removeAllNestedChanges(t,e,i){const n=new ir(Zs._createAt(t,e),Zs._createAt(t,e+i));for(const t of n.getItems({shallow:!0}))t.is("element")&&(this._elementSnapshots.delete(t),this._changesInElement.delete(t),this._removeAllNestedChanges(t,0,t.maxOffset))}}function La(t){const e=[];for(const i of t)if(i.is("$text"))for(let t=0;t<i.data.length;t++)e.push({name:"$text",attributes:new Map(i.getAttributes())});else e.push({name:i.name,attributes:new Map(i.getAttributes())});return e}function za(t,e){const i=[];let n=0,o=0;for(const t of e){if(t.offset>n){for(let e=0;e<t.offset-n;e++)i.push("e");o+=t.offset-n}if("insert"==t.type){for(let e=0;e<t.howMany;e++)i.push("i");n=t.offset+t.howMany}else if("remove"==t.type){for(let e=0;e<t.howMany;e++)i.push("r");n=t.offset,o+=t.howMany}else i.push(..."a".repeat(t.howMany).split("")),n=t.offset+t.howMany,o+=t.howMany}if(o<t)for(let e=0;e<t-o-n;e++)i.push("e");return i}function ja(t){const e=t.position&&"$graveyard"==t.position.root.rootName,i=t.range&&"$graveyard"==t.range.root.rootName;return!e&&!i}class $a{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=Number.NEGATIVE_INFINITY,e=Number.POSITIVE_INFINITY){const i=[];for(const n of this._operations)n.baseVersion>=t&&n.baseVersion<e&&i.push(n);return i}getOperation(t){for(const e of this._operations)if(e.baseVersion==t)return e}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function qa(t,e){return!!(i=t.charAt(e-1))&&1==i.length&&/[\ud800-\udbff]/.test(i)&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e));var i}function Wa(t,e){return!!(i=t.charAt(e))&&1==i.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(i);var i}const Ha="$graveyard";class Ua{constructor(t){this.model=t,this.version=0,this.history=new $a(this),this.selection=new kr(this),this.roots=new ri({idProperty:"rootName"}),this.differ=new Da(t.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root",Ha),this.listenTo(t,"applyOperation",((t,e)=>{const i=e[0];if(i.isDocumentOperation&&i.baseVersion!==this.version)throw new $e("model-document-applyoperation-wrong-version",this,{operation:i})}),{priority:"highest"}),this.listenTo(t,"applyOperation",((t,e)=>{const i=e[0];i.isDocumentOperation&&this.differ.bufferOperation(i)}),{priority:"high"}),this.listenTo(t,"applyOperation",((t,e)=>{const i=e[0];i.isDocumentOperation&&(this.version++,this.history.addOperation(i))}),{priority:"low"}),this.listenTo(this.selection,"change",(()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0})),this.listenTo(t.markers,"update",((t,e,i,n)=>{this.differ.bufferMarkerChange(e.name,i,n,e.affectsData),null===i&&e.on("change",((t,i)=>{this.differ.bufferMarkerChange(e.name,i,e.getRange(),e.affectsData)}))}))}get graveyard(){return this.getRoot(Ha)}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new $e("model-document-createroot-name-exists",this,{name:e});const i=new Ra(this,t,e);return this.roots.add(i),i}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=>t!=Ha))}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=pi(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,i=e.schema,n=e.createPositionFromPath(t,[0]);return i.getNearestSelectionRange(n)||e.createRange(n)}_validateSelectionRange(t){return Ka(t.start)&&Ka(t.end)}_callPostFixers(t){let e=!1;do{for(const i of this._postFixers)if(this.selection.refresh(),e=i(t),e)break}while(e)}}function Ka(t){const e=t.textNode;if(e){const i=e.data,n=t.offset-e.startOffset;return!qa(i,n)&&!Wa(i,n)}return!0}si(Ua,Ye);class Ga{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){return this._markers.has(t)}get(t){return this._markers.get(t)||null}_set(t,e,i=!1,n=!1){const o=t instanceof Ja?t.name:t;if(o.includes(","))throw new $e("markercollection-incorrect-marker-name",this);const s=this._markers.get(o);if(s){const t=s.getRange();let r=!1;return t.isEqual(e)||(s._attachLiveRange(gr.fromRange(e)),r=!0),i!=s.managedUsingOperations&&(s._managedUsingOperations=i,r=!0),"boolean"==typeof n&&n!=s.affectsData&&(s._affectsData=n,r=!0),r&&this.fire("update:"+o,s,t,e),s}const r=gr.fromRange(e),a=new Ja(o,r,i,n);return this._markers.set(o,a),this.fire("update:"+o,a,null,e),a}_remove(t){const e=t instanceof Ja?t.name:t,i=this._markers.get(e);return!!i&&(this._markers.delete(e),this.fire("update:"+e,i,i.getRange(),null),this._destroyMarker(i),!0)}_refresh(t){const e=t instanceof Ja?t.name:t,i=this._markers.get(e);if(!i)throw new $e("markercollection-refresh-marker-not-exists",this);const n=i.getRange();this.fire("update:"+e,i,n,n,i.managedUsingOperations,i.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()}}si(Ga,Ye);class Ja{constructor(t,e,i,n){this.name=t,this._liveRange=this._attachLiveRange(e),this._managedUsingOperations=i,this._affectsData=n}get managedUsingOperations(){if(!this._liveRange)throw new $e("marker-destroyed",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new $e("marker-destroyed",this);return this._affectsData}getStart(){if(!this._liveRange)throw new $e("marker-destroyed",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new $e("marker-destroyed",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new $e("marker-destroyed",this);return this._liveRange.toRange()}is(t){return"marker"===t||"model:marker"===t}_attachLiveRange(t){return this._liveRange&&this._detachLiveRange(),t.delegate("change:range").to(this),t.delegate("change:content").to(this),this._liveRange=t,t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}si(Ja,Ye);class Ya extends ua{get type(){return"noop"}clone(){return new Ya(this.baseVersion)}getReversed(){return new Ya(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const Xa={};Xa[ya.className]=ya,Xa[Pa.className]=Pa,Xa[Ca.className]=Ca,Xa[Aa.className]=Aa,Xa[Ya.className]=Ya,Xa[ua.className]=ua,Xa[Ta.className]=Ta,Xa[Ea.className]=Ea,Xa[Oa.className]=Oa,Xa[Sa.className]=Sa;class Za extends Zs{constructor(t,e,i="toNone"){if(super(t,e,i),!this.root.is("rootElement"))throw new $e("model-liveposition-root-not-rootelement",t);Qa.call(this)}detach(){this.stopListening()}is(t){return"livePosition"===t||"model:livePosition"===t||"position"==t||"model:position"===t}toPosition(){return new Zs(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}function Qa(){this.listenTo(this.root.document.model,"applyOperation",((t,e)=>{const i=e[0];i.isDocumentOperation&&tc.call(this,i)}),{priority:"low"})}function tc(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)}}si(Za,Ye);class ec{constructor(t,e,i){this.model=t,this.writer=e,this.position=i,this.canMergeWith=new Set([this.position.parent]),this.schema=t.schema,this._documentFragment=e.createDocumentFragment(),this._documentFragmentPosition=e.createPositionAt(this._documentFragment,0),this._firstNode=null,this._lastNode=null,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null}handleNodes(t){for(const e of Array.from(t))this._handleNode(e);this._insertPartialFragment(),this._mergeOnRight(),this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?ir._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new ir(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(t){this.schema.isObject(t)?this._handleObject(t):this._checkAndSplitToAllowedPosition(t)?(this._appendToFragment(t),this._firstNode||(this._firstNode=t),this._lastNode=t):this._handleDisallowedNode(t)}_insertPartialFragment(){if(this._documentFragment.isEmpty)return;const t=Za.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this._documentFragment.getChild(0)==this._firstNode&&(this.writer.insert(this._firstNode,this.position),this._mergeOnLeft(),this.position=t.toPosition()),this._documentFragment.isEmpty||this.writer.insert(this._documentFragment,this.position),this._documentFragmentPosition=this.writer.createPositionAt(this._documentFragment,0),this.position=t.toPosition(),t.detach()}_handleObject(t){this._checkAndSplitToAllowedPosition(t)?this._appendToFragment(t):this._tryAutoparagraphing(t)}_handleDisallowedNode(t){t.is("element")?this.handleNodes(t.getChildren()):this._tryAutoparagraphing(t)}_appendToFragment(t){if(!this.schema.checkChild(this.position,t))throw new $e("insertcontent-wrong-position",this,{node:t,position:this.position});this.writer.insert(t,this._documentFragmentPosition),this._documentFragmentPosition=this._documentFragmentPosition.getShiftedBy(t.offsetSize),this.schema.isObject(t)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=t:this.nodeToSelect=null,this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){this._affectedStart||(this._affectedStart=Za.fromPosition(t,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=Za.fromPosition(t,"toNext"))}_mergeOnLeft(){const t=this._firstNode;if(!(t instanceof Js))return;if(!this._canMergeLeft(t))return;const e=Za._createBefore(t);e.stickiness="toNext";const i=Za.fromPosition(this.position,"toNext");this._affectedStart.isEqual(e)&&(this._affectedStart.detach(),this._affectedStart=Za._createAt(e.nodeBefore,"end","toPrevious")),this._firstNode===this._lastNode&&(this._firstNode=e.nodeBefore,this._lastNode=e.nodeBefore),this.writer.merge(e),e.isEqual(this._affectedEnd)&&this._firstNode===this._lastNode&&(this._affectedEnd.detach(),this._affectedEnd=Za._createAt(e.nodeBefore,"end","toNext")),this.position=i.toPosition(),i.detach(),this._filterAttributesOf.push(this.position.parent),e.detach()}_mergeOnRight(){const t=this._lastNode;if(!(t instanceof Js))return;if(!this._canMergeRight(t))return;const e=Za._createAfter(t);if(e.stickiness="toNext",!this.position.isEqual(e))throw new $e("insertcontent-invalid-insertion-position",this);this.position=Zs._createAt(e.nodeBefore,"end");const i=Za.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(e)&&(this._affectedEnd.detach(),this._affectedEnd=Za._createAt(e.nodeBefore,"end","toNext")),this._firstNode===this._lastNode&&(this._firstNode=e.nodeBefore,this._lastNode=e.nodeBefore),this.writer.merge(e),e.getShiftedBy(-1).isEqual(this._affectedStart)&&this._firstNode===this._lastNode&&(this._affectedStart.detach(),this._affectedStart=Za._createAt(e.nodeBefore,0,"toPrevious")),this.position=i.toPosition(),i.detach(),this._filterAttributesOf.push(this.position.parent),e.detach()}_canMergeLeft(t){const e=t.previousSibling;return e instanceof Js&&this.canMergeWith.has(e)&&this.model.schema.checkMerge(e,t)}_canMergeRight(t){const e=t.nextSibling;return e instanceof Js&&this.canMergeWith.has(e)&&this.model.schema.checkMerge(t,e)}_tryAutoparagraphing(t){const e=this.writer.createElement("paragraph");this._getAllowedIn(e,this.position.parent)&&this.schema.checkChild(e,t)&&(e._appendChild(t),this._handleNode(e))}_checkAndSplitToAllowedPosition(t){const e=this._getAllowedIn(t,this.position.parent);if(!e)return!1;for(e!=this.position.parent&&this._insertPartialFragment();e!=this.position.parent;){if(this.schema.isLimit(this.position.parent))return!1;if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t),t.isEmpty&&t.parent===e&&this.writer.remove(t)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const t=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=t,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(t,e){return this.schema.checkChild(e,t)?e:e.parent?this._getAllowedIn(t,e.parent):null}}function ic(t,e,i={}){if(e.isCollapsed)return;const n=e.getFirstRange();if("$graveyard"==n.root.rootName)return;const o=t.schema;t.change((t=>{if(!i.doNotResetEntireContent&&function(t,e){const i=t.getLimitElement(e);if(!e.containsEntireContent(i))return!1;const n=e.getFirstRange();return n.start.parent!=n.end.parent&&t.checkChild(i,"paragraph")}(o,e))return void function(t,e){const i=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(i)),rc(t,t.createPositionAt(i,0),e)}(t,e);const[s,r]=function(t){const e=t.root.document.model,i=t.start;let n=t.end;if(e.hasContent(t,{ignoreMarkers:!0})){const i=function(t){const e=t.parent,i=e.root.document.model.schema,n=e.getAncestors({parentFirst:!0,includeSelf:!0});for(const t of n){if(i.isLimit(t))return null;if(i.isBlock(t))return t}}(n);if(i&&n.isTouching(e.createPositionAt(i,0))){const i=e.createSelection(t);e.modifySelection(i,{direction:"backward"}),n=i.getLastPosition()}}return[Za.fromPosition(i,"toPrevious"),Za.fromPosition(n,"toNext")]}(n);s.isTouching(r)||t.remove(t.createRange(s,r)),i.leaveUnmerged||(function(t,e,i){const n=t.model;if(!sc(t.model.schema,e,i))return;const[o,s]=function(t,e){const i=t.getAncestors(),n=e.getAncestors();let o=0;for(;i[o]&&i[o]==n[o];)o++;return[i[o],n[o]]}(e,i);o&&s&&(!n.hasContent(o,{ignoreMarkers:!0})&&n.hasContent(s,{ignoreMarkers:!0})?oc(t,e,i,o.parent):nc(t,e,i,o.parent))}(t,s,r),o.removeDisallowedAttributes(s.parent.getChildren(),t)),ac(t,e,s),!i.doNotAutoparagraph&&function(t,e){const i=t.checkChild(e,"$text"),n=t.checkChild(e,"paragraph");return!i&&n}(o,s)&&rc(t,s,e),s.detach(),r.detach()}))}function nc(t,e,i,n){const o=e.parent,s=i.parent;if(o!=n&&s!=n){for(e=t.createPositionAfter(o),(i=t.createPositionBefore(s)).isEqual(e)||t.insert(s,e),t.merge(e);i.parent.isEmpty;){const e=i.parent;i=t.createPositionBefore(e),t.remove(e)}sc(t.model.schema,e,i)&&nc(t,e,i,n)}}function oc(t,e,i,n){const o=e.parent,s=i.parent;if(o!=n&&s!=n){for(e=t.createPositionAfter(o),(i=t.createPositionBefore(s)).isEqual(e)||t.insert(o,i);e.parent.isEmpty;){const i=e.parent;e=t.createPositionBefore(i),t.remove(i)}i=t.createPositionBefore(s),function(t,e){const i=e.nodeBefore,n=e.nodeAfter;i.name!=n.name&&t.rename(i,n.name),t.clearAttributes(i),t.setAttributes(Object.fromEntries(n.getAttributes()),i),t.merge(e)}(t,i),sc(t.model.schema,e,i)&&oc(t,e,i,n)}}function sc(t,e,i){const n=e.parent,o=i.parent;return n!=o&&!t.isLimit(n)&&!t.isLimit(o)&&function(t,e,i){const n=new ir(t,e);for(const t of n.getWalker())if(i.isLimit(t.item))return!1;return!0}(e,i,t)}function rc(t,e,i){const n=t.createElement("paragraph");t.insert(n,e),ac(t,i,t.createPositionAt(n,0))}function ac(t,e,i){e instanceof kr?t.setSelection(i):e.setTo(i)}const cc=' ,.?!:;"-()';function lc(t,e){const{isForward:i,walker:n,unit:o,schema:s}=t,{type:r,item:a,nextPosition:c}=e;if("text"==r)return"word"===t.unit?function(t,e){let i=t.position.textNode;if(i){let n=t.position.offset-i.startOffset;for(;!hc(i.data,n,e)&&!uc(i,n,e);){t.next();const o=e?t.position.nodeAfter:t.position.nodeBefore;if(o&&o.is("$text")){const n=o.data.charAt(e?0:o.data.length-1);cc.includes(n)||(t.next(),i=t.position.textNode)}n=t.position.offset-i.startOffset}}return t.position}(n,i):function(t,e){const i=t.position.textNode;if(i){const n=i.data;let o=t.position.offset-i.startOffset;for(;qa(n,o)||"character"==e&&Wa(n,o);)t.next(),o=t.position.offset-i.startOffset}return t.position}(n,o);if(r==(i?"elementStart":"elementEnd")){if(s.isSelectable(a))return Zs._createAt(a,i?"after":"before");if(s.checkChild(c,"$text"))return c}else{if(s.isLimit(a))return void n.skip((()=>!0));if(s.checkChild(c,"$text"))return c}}function dc(t,e){const i=t.root,n=Zs._createAt(i,e?"end":0);return e?new ir(t,n):new ir(n,t)}function hc(t,e,i){const n=e+(i?0:-1);return cc.includes(t.charAt(n))}function uc(t,e,i){return e===(i?t.endOffset:0)}function fc(t,e){const i=[];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=>{i.push(t.start.parent),e.remove(t)})),i.forEach((t=>{let i=t;for(;i.parent&&i.isEmpty;){const t=e.createRangeOn(i);i=i.parent,e.remove(t)}}))}function pc(t,e){return t.isCollapsed?function(t,e){const i=t.start,n=e.getNearestSelectionRange(i);if(!n)return null;if(!n.isCollapsed)return n;const o=n.start;return i.isEqual(o)?null:new ir(o)}(t,e):function(t,e){const{start:i,end:n}=t,o=e.checkChild(i,"$text"),s=e.checkChild(n,"$text"),r=e.getLimitElement(i),a=e.getLimitElement(n);if(r===a){if(o&&s)return null;if(function(t,e,i){const n=t.nodeAfter&&!i.isLimit(t.nodeAfter)||i.checkChild(t,"$text"),o=e.nodeBefore&&!i.isLimit(e.nodeBefore)||i.checkChild(e,"$text");return n||o}(i,n,e)){const t=i.nodeAfter&&e.isSelectable(i.nodeAfter)?null:e.getNearestSelectionRange(i,"forward"),o=n.nodeBefore&&e.isSelectable(n.nodeBefore)?null:e.getNearestSelectionRange(n,"backward"),s=t?t.start:i,r=o?o.end:n;return new ir(s,r)}}const c=r&&!r.is("rootElement"),l=a&&!a.is("rootElement");if(c||l){const t=i.nodeAfter&&n.nodeBefore&&i.nodeAfter.parent===n.nodeBefore.parent,o=c&&(!t||!mc(i.nodeAfter,e)),s=l&&(!t||!mc(n.nodeBefore,e));let d=i,h=n;return o&&(d=Zs._createBefore(gc(r,e))),s&&(h=Zs._createAfter(gc(a,e))),new ir(d,h)}return null}(t,e)}function gc(t,e){let i=t,n=i;for(;e.isLimit(n)&&n.parent;)i=n,n=n.parent;return i}function mc(t,e){return t&&e.isSelectable(t)}class bc{constructor(){var t;this.markers=new Ga,this.document=new Ua(this),this.schema=new Hr,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach((t=>this.decorate(t))),this.on("applyOperation",((t,e)=>{e[0]._validate()}),{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$block",{allowIn:"$root",isBlock:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0,isContent:!0}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:!0}),this.schema.extend("$text",{allowIn:"$clipboardHolder"}),this.schema.register("$marker"),this.schema.addChildCheck(((t,e)=>{if("$marker"===e.name)return!0})),(t=this).document.registerPostFixer((e=>function(t,e){const i=e.document.selection,n=e.schema,o=[];let s=!1;for(const t of i.getRanges()){const e=pc(t,n);e&&!e.isEqual(t)?(o.push(e),s=!0):o.push(t)}s&&t.setSelection(function(t){const e=[];e.push(t.shift());for(const i of t){const t=e.pop();if(i.isEqual(t))e.push(t);else if(i.isIntersecting(t)){const n=t.start.isAfter(i.start)?i.start:t.start,o=t.end.isAfter(i.end)?t.end:i.end,s=new ir(n,o);e.push(s)}else e.push(t),e.push(i)}return e}(o),{backward:i.isBackward})}(e,t))),this.document.registerPostFixer(Rr)}change(t){try{return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new ha,callback:t}),this._runPendingChanges()[0]):t(this._currentWriter)}catch(t){$e.rethrowUnexpectedError(t,this)}}enqueueChange(t,e){try{"string"==typeof t?t=new ha(t):"function"==typeof t&&(e=t,t=new ha),this._pendingChanges.push({batch:t,callback:e}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(t){$e.rethrowUnexpectedError(t,this)}}applyOperation(t){t._execute()}insertContent(t,e,i){return function(t,e,i,n){return t.change((o=>{let s;s=i?i instanceof dr||i instanceof kr?i:o.createSelection(i,n):t.document.selection,s.isCollapsed||t.deleteContent(s,{doNotAutoparagraph:!0});const r=new ec(t,o,s.anchor);let a;a=e.is("documentFragment")?e.getChildren():[e],r.handleNodes(a);const c=r.getSelectionRange();c&&(s instanceof kr?o.setSelection(c):s.setTo(c));const l=r.getAffectedRange()||t.createRange(s.anchor);return r.destroy(),l}))}(this,t,e,i)}deleteContent(t,e){ic(this,t,e)}modifySelection(t,e){!function(t,e,i={}){const n=t.schema,o="backward"!=i.direction,s=i.unit?i.unit:"character",r=e.focus,a=new Ys({boundaries:dc(r,o),singleCharacters:!0,direction:o?"forward":"backward"}),c={walker:a,schema:n,isForward:o,unit:s};let l;for(;l=a.next();){if(l.done)return;const i=lc(c,l.value);if(i)return void(e instanceof kr?t.change((t=>{t.setSelectionFocus(i)})):e.setFocus(i))}}(this,t,e)}getSelectedContent(t){return function(t,e){return t.change((t=>{const i=t.createDocumentFragment(),n=e.getFirstRange();if(!n||n.isCollapsed)return i;const o=n.start.root,s=n.start.getCommonPath(n.end),r=o.getNodeByPath(s);let a;a=n.start.parent==n.end.parent?n:t.createRange(t.createPositionAt(r,n.start.path[s.length]),t.createPositionAt(r,n.end.path[s.length]+1));const c=a.end.offset-a.start.offset;for(const e of a.getItems({shallow:!0}))e.is("$textProxy")?t.appendText(e.data,e.getAttributes(),i):t.append(t.cloneElement(e,!0),i);if(a!=n){const e=n._getTransformedByMove(a.start,t.createPositionAt(i,0),c)[0],o=t.createRange(t.createPositionAt(i,0),e.start);fc(t.createRange(e.end,t.createPositionAt(i,"end")),t),fc(o,t)}return i}))}(this,t)}hasContent(t,e={}){const i=t instanceof Js?ir._createIn(t):t;if(i.isCollapsed)return!1;const{ignoreWhitespaces:n=!1,ignoreMarkers:o=!1}=e;if(!o)for(const t of this.markers.getMarkersIntersectingRange(i))if(t.affectsData)return!0;for(const t of i.getItems())if(this.schema.isContent(t)){if(!t.is("$textProxy"))return!0;if(!n)return!0;if(-1!==t.data.search(/\S/))return!0}return!1}createPositionFromPath(t,e,i){return new Zs(t,e,i)}createPositionAt(t,e){return Zs._createAt(t,e)}createPositionAfter(t){return Zs._createAfter(t)}createPositionBefore(t){return Zs._createBefore(t)}createRange(t,e){return new ir(t,e)}createRangeIn(t){return ir._createIn(t)}createRangeOn(t){return ir._createOn(t)}createSelection(t,e,i){return new dr(t,e,i)}createBatch(t){return new ha(t)}createOperationFromJSON(t){return class{static fromJSON(t,e){return Xa[t.__className].fromJSON(t,e)}}.fromJSON(t,this.document)}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const t=[];for(this.fire("_beforeChanges");this._pendingChanges.length;){const e=this._pendingChanges[0].batch;this._currentWriter=new Ia(this,e);const i=this._pendingChanges[0].callback(this._currentWriter);t.push(i),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),t}}si(bc,gn);class wc{constructor(){this._listener=Object.create($o)}listenTo(t){this._listener.listenTo(t,"keydown",((t,e)=>{this._listener.fire("_keydown:"+Un(e),e)}))}set(t,e,i={}){const n=Kn(t),o=i.priority;this._listener.listenTo(this._listener,"_keydown:"+n,((t,i)=>{e(i,(()=>{i.preventDefault(),i.stopPropagation(),t.stop()})),t.return=!0}),{priority:o})}press(t){return!!this._listener.fire("_keydown:"+Un(t),t)}destroy(){this._listener.stopListening()}}class kc extends wc{constructor(t){super(),this.editor=t}set(t,e,i={}){if("string"==typeof e){const t=e;e=(e,i)=>{this.editor.execute(t),i()}}super.set(t,e,i)}}class _c{constructor(t={}){this._context=t.context||new ui({language:t.language}),this._context._addEditor(this,!t.context);const e=Array.from(this.constructor.builtinPlugins||[]);this.config=new Ve(t,this.constructor.defaultConfig),this.config.define("plugins",e),this.config.define(this._context._getEditorConfig()),this.plugins=new ai(this,e,this._context.plugins),this.locale=this._context.locale,this.t=this.locale.t,this.commands=new $r,this.set("state","initializing"),this.once("ready",(()=>this.state="ready"),{priority:"high"}),this.once("destroy",(()=>this.state="destroyed"),{priority:"high"}),this.set("isReadOnly",!1),this.model=new bc;const i=new nn;this.data=new aa(this.model,i),this.editing=new jr(this.model,i),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new ca([this.editing.downcastDispatcher,this.data.downcastDispatcher],this.data.upcastDispatcher),this.conversion.addAlias("dataDowncast",this.data.downcastDispatcher),this.conversion.addAlias("editingDowncast",this.editing.downcastDispatcher),this.keystrokes=new kc(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config,e=t.get("plugins"),i=t.get("removePlugins")||[],n=t.get("extraPlugins")||[];return this.plugins.init(e.concat(n),i)}destroy(){let t=Promise.resolve();return"initializing"==this.state&&(t=new Promise((t=>this.once("ready",t)))),t.then((()=>{this.fire("destroy"),this.stopListening(),this.commands.destroy()})).then((()=>this.plugins.destroy())).then((()=>{this.model.destroy(),this.data.destroy(),this.editing.destroy(),this.keystrokes.destroy()})).then((()=>this._context._removeEditor(this)))}execute(...t){try{return this.commands.execute(...t)}catch(t){$e.rethrowUnexpectedError(t,this)}}focus(){this.editing.view.focus()}}si(_c,gn);const vc={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};function yc(t,e){t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}const xc={updateSourceElement(){if(!this.sourceElement)throw new $e("editor-missing-sourceelement",this);yc(this.sourceElement,this.data.get())}};function Ac(t){if(!S(t.updateSourceElement))throw new $e("attachtoform-missing-elementapi-interface",t);const e=t.sourceElement;if(e&&"textarea"===e.tagName.toLowerCase()&&e.form){let i;const n=e.form,o=()=>t.updateSourceElement();S(n.submit)&&(i=n.submit,n.submit=()=>{o(),i.apply(n)}),n.addEventListener("submit",o),t.on("destroy",(()=>{n.removeEventListener("submit",o),i&&(n.submit=i)}))}}class Pc{constructor(t){this.editor=t,this._components=new Map}*names(){for(const t of this._components.values())yield t.originalName}add(t,e){this._components.set(Cc(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new $e("componentfactory-item-missing",this,{name:t});return this._components.get(Cc(t)).callback(this.editor.locale)}has(t){return this._components.has(Cc(t))}}function Cc(t){return String(t).toLowerCase()}class Tc{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 $e("focustracker-add-element-already-exist",this);this.listenTo(t,"focus",(()=>this._focus(t)),{useCapture:!0}),this.listenTo(t,"blur",(()=>this._blur()),{useCapture:!0}),this._elements.add(t)}remove(t){t===this.focusedElement&&this._blur(t),this._elements.has(t)&&(this.stopListening(t),this._elements.delete(t))}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=t,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout((()=>{this.focusedElement=null,this.isFocused=!1}),0)}}si(Tc,$o),si(Tc,gn);class Ec{constructor(t){this.editor=t,this.componentFactory=new Pc(t),this.focusTracker=new Tc,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}}function Sc({origin:t,originKeystrokeHandler:e,originFocusTracker:i,toolbar:n,beforeFocus:o,afterBlur:s}){i.add(n.element),e.set("Alt+F10",((t,e)=>{i.isFocused&&!n.focusTracker.isFocused&&(o&&o(),n.focus(),e())})),n.keystrokes.set("Esc",((e,i)=>{n.focusTracker.isFocused&&(t.focus(),s&&s(),i())}))}function Oc(t){return Array.isArray(t)?{items:t,removeItems:[]}:t?Object.assign({items:[],removeItems:[]},t):{items:[],removeItems:[]}}si(Ec,Ye),i(1810);const Rc=new WeakMap;function Ic(t){const{view:e,element:i,text:n,isDirectHost:o=!0}=t,s=e.document;Rc.has(s)||(Rc.set(s,new Map),s.registerPostFixer((t=>Mc(s,t)))),Rc.get(s).set(i,{text:n,isDirectHost:o}),e.change((t=>Mc(s,t)))}function Mc(t,e){const i=Rc.get(t);let n=!1;for(const[t,o]of i)Nc(e,t,o)&&(n=!0);return n}function Nc(t,e,i){const{text:n,isDirectHost:o}=i,s=o?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 r=!1;return!!s&&(i.hostElement=s,s.getAttribute("data-placeholder")!==n&&(t.setAttribute("data-placeholder",n,s),r=!0),function(t){if(!t.isAttached())return!1;const e=!Array.from(t.getChildren()).some((t=>!t.is("uiElement"))),i=t.document;if(!i.isFocused&&e)return!0;const n=i.selection.anchor;return!(!e||!n||n.parent===t)}(s)?function(t,e){return!e.hasClass("ck-placeholder")&&(t.addClass("ck-placeholder",e),!0)}(t,s)&&(r=!0):function(t,e){return!!e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),!0)}(t,s)&&(r=!0),r)}class Vc{constructor(){this._replacedElements=[]}replace(t,e){this._replacedElements.push({element:t,newElement:e}),t.style.display="none",e&&t.parentNode.insertBefore(e,t.nextSibling)}restore(){this._replacedElements.forEach((({element:t,newElement:e})=>{t.style.display="",e&&e.remove()})),this._replacedElements=[]}}class Fc extends Ec{constructor(t,e){super(t),this.view=e,this._toolbarConfig=Oc(t.config.get("toolbar")),this._elementReplacer=new Vc}get element(){return this.view.element}init(t){const e=this.editor,i=this.view,n=e.editing.view,o=i.editable,s=n.document.getRoot();o.name=s.rootName,i.render();const r=o.element;this.setEditableElement(o.name,r),this.focusTracker.add(r),i.editable.bind("isFocused").to(this.focusTracker),n.attachDomRoot(r),t&&this._elementReplacer.replace(t,this.element),this._initPlaceholder(),this._initToolbar(),this.fire("ready")}destroy(){const t=this.view,e=this.editor.editing.view;this._elementReplacer.restore(),e.detachDomRoot(t.editable.name),t.destroy(),super.destroy()}_initToolbar(){const t=this.editor,e=this.view,i=t.editing.view;e.stickyPanel.bind("isActive").to(this.focusTracker,"isFocused"),e.stickyPanel.limiterElement=e.element,this._toolbarConfig.viewportTopOffset&&(e.stickyPanel.viewportTopOffset=this._toolbarConfig.viewportTopOffset),e.toolbar.fillFromConfig(this._toolbarConfig,this.componentFactory),Sc({origin:i,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:e.toolbar})}_initPlaceholder(){const t=this.editor,e=t.editing.view,i=e.document.getRoot(),n=t.sourceElement,o=t.config.get("placeholder")||n&&"textarea"===n.tagName.toLowerCase()&&n.getAttribute("placeholder");o&&Ic({view:e,element:i,text:o,isDirectHost:!1})}}class Bc extends ri{constructor(t=[]){super(t,{idProperty:"viewUid"}),this.on("add",((t,e,i)=>{this._renderViewIntoCollectionParent(e,i)})),this.on("remove",((t,e)=>{e.element&&this._parentElement&&e.element.remove()})),this._parentElement=null}destroy(){this.map((t=>t.destroy()))}setParent(t){this._parentElement=t;for(const t of this)this._renderViewIntoCollectionParent(t)}delegate(...t){if(!t.length||!t.every((t=>"string"==typeof t)))throw new $e("ui-viewcollection-delegate-wrong-events",this);return{to:e=>{for(const i of this)for(const n of t)i.delegate(n).to(e);this.on("add",((i,n)=>{for(const i of t)n.delegate(i).to(e)})),this.on("remove",((i,n)=>{for(const i of t)n.stopDelegating(i,e)}))}}}_renderViewIntoCollectionParent(t,e){t.isRendered||t.render(),t.element&&this._parentElement&&this._parentElement.insertBefore(t.element,this._parentElement.children[e])}}class Dc{constructor(t){Object.assign(this,Gc(Kc(t))),this._isRendered=!1,this._revertData=null}render(){const t=this._renderNode({intoFragment:!0});return this._isRendered=!0,t}apply(t){return this._revertData={children:[],bindings:[],attributes:{}},this._renderNode({node:t,isApplying:!0,revertData:this._revertData}),t}revert(t){if(!this._revertData)throw new $e("ui-template-revert-not-applied",[this,t]);this._revertTemplateFromNode(t,this._revertData)}*getViews(){yield*function*t(e){if(e.children)for(const i of e.children)tl(i)?yield i:el(i)&&(yield*t(i))}(this)}static bind(t,e){return{to:(i,n)=>new zc({eventNameOrFunction:i,attribute:i,observable:t,emitter:e,callback:n}),if:(i,n,o)=>new jc({observable:t,emitter:e,attribute:i,valueIfTrue:n,callback:o})}}static extend(t,e){if(t._isRendered)throw new $e("template-extend-render",[this,t]);Zc(t,Gc(Kc(e)))}_renderNode(t){let e;if(e=t.node?this.tag&&this.text:this.tag?this.text:!this.text,e)throw new $e("ui-template-wrong-syntax",this);return this.text?this._renderText(t):this._renderElement(t)}_renderElement(t){let e=t.node;return e||(e=t.node=document.createElementNS(this.ns||"http://www.w3.org/1999/xhtml",this.tag)),this._renderAttributes(t),this._renderElementChildren(t),this._setUpListeners(t),e}_renderText(t){let e=t.node;return e?t.revertData.text=e.textContent:e=t.node=document.createTextNode(""),$c(this.text)?this._bindToObservable({schema:this.text,updater:Wc(e),data:t}):e.textContent=this.text.join(""),e}_renderAttributes(t){let e,i,n,o;if(!this.attributes)return;const s=t.node,r=t.revertData;for(e in this.attributes)if(n=s.getAttribute(e),i=this.attributes[e],r&&(r.attributes[e]=n),o=E(i[0])&&i[0].ns?i[0].ns:null,$c(i)){const a=o?i[0].value:i;r&&nl(e)&&a.unshift(n),this._bindToObservable({schema:a,updater:Hc(s,e,o),data:t})}else"style"==e&&"string"!=typeof i[0]?this._renderStyleAttribute(i[0],t):(r&&n&&nl(e)&&i.unshift(n),i=i.map((t=>t&&t.value||t)).reduce(((t,e)=>t.concat(e)),[]).reduce(Yc,""),Qc(i)||s.setAttributeNS(o,e,i))}_renderStyleAttribute(t,e){const i=e.node;for(const n in t){const o=t[n];$c(o)?this._bindToObservable({schema:[o],updater:Uc(i,n),data:e}):i.style[n]=o}}_renderElementChildren(t){const e=t.node,i=t.intoFragment?document.createDocumentFragment():e,n=t.isApplying;let o=0;for(const s of this.children)if(il(s)){if(!n){s.setParent(e);for(const t of s)i.appendChild(t.element)}}else if(tl(s))n||(s.isRendered||s.render(),i.appendChild(s.element));else if(Eo(s))i.appendChild(s);else if(n){const e={children:[],bindings:[],attributes:{}};t.revertData.children.push(e),s._renderNode({node:i.childNodes[o++],isApplying:!0,revertData:e})}else i.appendChild(s.render());t.intoFragment&&e.appendChild(i)}_setUpListeners(t){if(this.eventListeners)for(const e in this.eventListeners){const i=this.eventListeners[e].map((i=>{const[n,o]=e.split("@");return i.activateDomEventListener(n,o,t)}));t.revertData&&t.revertData.bindings.push(i)}}_bindToObservable({schema:t,updater:e,data:i}){const n=i.revertData;qc(t,e,i);const o=t.filter((t=>!Qc(t))).filter((t=>t.observable)).map((n=>n.activateAttributeListener(t,e,i)));n&&n.bindings.push(o)}_revertTemplateFromNode(t,e){for(const t of e.bindings)for(const e of t)e();if(e.text)t.textContent=e.text;else{for(const i in e.attributes){const n=e.attributes[i];null===n?t.removeAttribute(i):t.setAttribute(i,n)}for(let i=0;i<e.children.length;++i)this._revertTemplateFromNode(t.childNodes[i],e.children[i])}}}si(Dc,Ye);class Lc{constructor(t){Object.assign(this,t)}getValue(t){const e=this.observable[this.attribute];return this.callback?this.callback(e,t):e}activateAttributeListener(t,e,i){const n=()=>qc(t,e,i);return this.emitter.listenTo(this.observable,"change:"+this.attribute,n),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,n)}}}class zc extends Lc{activateDomEventListener(t,e,i){const n=(t,i)=>{e&&!i.target.matches(e)||("function"==typeof this.eventNameOrFunction?this.eventNameOrFunction(i):this.observable.fire(this.eventNameOrFunction,i))};return this.emitter.listenTo(i.node,t,n),()=>{this.emitter.stopListening(i.node,t,n)}}}class jc extends Lc{getValue(t){return!Qc(super.getValue(t))&&(this.valueIfTrue||!0)}}function $c(t){return!!t&&(t.value&&(t=t.value),Array.isArray(t)?t.some($c):t instanceof Lc)}function qc(t,e,{node:i}){let n=function(t,e){return t.map((t=>t instanceof Lc?t.getValue(e):t))}(t,i);n=1==t.length&&t[0]instanceof jc?n[0]:n.reduce(Yc,""),Qc(n)?e.remove():e.set(n)}function Wc(t){return{set(e){t.textContent=e},remove(){t.textContent=""}}}function Hc(t,e,i){return{set(n){t.setAttributeNS(i,e,n)},remove(){t.removeAttributeNS(i,e)}}}function Uc(t,e){return{set(i){t.style[e]=i},remove(){t.style[e]=null}}}function Kc(t){return Me(t,(t=>{if(t&&(t instanceof Lc||el(t)||tl(t)||il(t)))return t}))}function Gc(t){if("string"==typeof t?t=function(t){return{text:[t]}}(t):t.text&&function(t){t.text=ci(t.text)}(t),t.on&&(t.eventListeners=function(t){for(const e in t)Jc(t,e);return t}(t.on),delete t.on),!t.text){t.attributes&&function(t){for(const e in t)t[e].value&&(t[e].value=ci(t[e].value)),Jc(t,e)}(t.attributes);const e=[];if(t.children)if(il(t.children))e.push(t.children);else for(const i of t.children)el(i)||tl(i)||Eo(i)?e.push(i):e.push(new Dc(i));t.children=e}return t}function Jc(t,e){t[e]=ci(t[e])}function Yc(t,e){return Qc(e)?t:Qc(t)?e:`${t} ${e}`}function Xc(t,e){for(const i in e)t[i]?t[i].push(...e[i]):t[i]=e[i]}function Zc(t,e){if(e.attributes&&(t.attributes||(t.attributes={}),Xc(t.attributes,e.attributes)),e.eventListeners&&(t.eventListeners||(t.eventListeners={}),Xc(t.eventListeners,e.eventListeners)),e.text&&t.text.push(...e.text),e.children&&e.children.length){if(t.children.length!=e.children.length)throw new $e("ui-template-extend-children-mismatch",t);let i=0;for(const n of e.children)Zc(t.children[i++],n)}}function Qc(t){return!t&&0!==t}function tl(t){return t instanceof ol}function el(t){return t instanceof Dc}function il(t){return t instanceof Bc}function nl(t){return"class"==t||"style"==t}i(1862);class ol{constructor(t){this.element=null,this.isRendered=!1,this.locale=t,this.t=t&&t.t,this._viewCollections=new ri,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",((e,i)=>{i.locale=t})),this.decorate("render")}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=Dc.bind(this,this)}createCollection(t){const e=new Bc(t);return this._viewCollections.add(e),e}registerChild(t){oi(t)||(t=[t]);for(const e of t)this._unboundChildren.add(e)}deregisterChild(t){oi(t)||(t=[t]);for(const e of t)this._unboundChildren.remove(e)}setTemplate(t){this.template=new Dc(t)}extendTemplate(t){Dc.extend(this.template,t)}render(){if(this.isRendered)throw new $e("ui-view-render-already-rendered",this);this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map((t=>t.destroy())),this.template&&this.template._revertData&&this.template.revert(this.element)}}si(ol,$o),si(ol,gn);const sl=function(t){return"string"==typeof t||!dt(t)&&m(t)&&"[object String]"==f(t)};class rl extends Bc{constructor(t,e=[]){super(e),this.locale=t}attachToDom(){this._bodyCollectionContainer=new Dc({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"],dir:this.locale.uiLanguageDirection},children:this}).render();let t=document.querySelector(".ck-body-wrapper");t||(t=function(t,e,i={},n=[]){const o=i&&i.xmlns,s=o?t.createElementNS(o,e):t.createElement(e);for(const t in i)s.setAttribute(t,i[t]);!sl(n)&&oi(n)||(n=[n]);for(let e of n)sl(e)&&(e=t.createTextNode(e)),s.appendChild(e);return s}(document,"div",{class:"ck-body-wrapper"}),document.body.appendChild(t)),t.appendChild(this._bodyCollectionContainer)}detachFromDom(){super.destroy(),this._bodyCollectionContainer&&this._bodyCollectionContainer.remove();const t=document.querySelector(".ck-body-wrapper");t&&0==t.childElementCount&&t.remove()}}i(5948);class al extends ol{constructor(t){super(t),this.body=new rl(t)}render(){super.render(),this.body.attachToDom()}destroy(){return this.body.detachFromDom(),super.destroy()}}i(2742);class cl extends ol{constructor(t){super(t),this.set("text"),this.set("for"),this.id=`ck-editor__label_${ze()}`;const e=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],id:this.id,for:e.to("for")},children:[{text:e.to("text")}]})}}class ll extends al{constructor(t){super(t),this.top=this.createCollection(),this.main=this.createCollection(),this._voiceLabelView=this._createVoiceLabel(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-editor","ck-rounded-corners"],role:"application",dir:t.uiLanguageDirection,lang:t.uiLanguage,"aria-labelledby":this._voiceLabelView.id},children:[this._voiceLabelView,{tag:"div",attributes:{class:["ck","ck-editor__top","ck-reset_all"],role:"presentation"},children:this.top},{tag:"div",attributes:{class:["ck","ck-editor__main"],role:"presentation"},children:this.main}]})}_createVoiceLabel(){const t=this.t,e=new cl;return e.text=t("Rich Text Editor"),e.extendTemplate({attributes:{class:"ck-voice-label"}}),e}}class dl extends ol{constructor(t,e,i){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=i,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((i=>{const n=t.document.getRoot(e.name);i.addClass(e.isFocused?"ck-focused":"ck-blurred",n),i.removeClass(e.isFocused?"ck-blurred":"ck-focused",n)}))}t.isRenderingInProgress?function i(n){t.once("change:isRenderingInProgress",((t,o,s)=>{s?i(n):e(n)}))}(this):e(this)}}class hl extends dl{constructor(t,e,i){super(t,e,i),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView,e=this.t;t.change((i=>{const n=t.document.getRoot(this.name);i.setAttribute("aria-label",e("Rich Text Editor, %0",this.name),n)}))}}function ul(t){return e=>e+t}i(1385);const fl=ul("px");class pl extends ol{constructor(t){super(t);const e=this.bindTemplate;this.set("isActive",!1),this.set("isSticky",!1),this.set("limiterElement",null),this.set("limiterBottomOffset",50),this.set("viewportTopOffset",0),this.set("_marginLeft",null),this.set("_isStickyToTheLimiter",!1),this.set("_hasViewportTopOffset",!1),this.content=this.createCollection(),this._contentPanelPlaceholder=new Dc({tag:"div",attributes:{class:["ck","ck-sticky-panel__placeholder"],style:{display:e.to("isSticky",(t=>t?"block":"none")),height:e.to("isSticky",(t=>t?fl(this._panelRect.height):null))}}}).render(),this._contentPanel=new Dc({tag:"div",attributes:{class:["ck","ck-sticky-panel__content",e.if("isSticky","ck-sticky-panel__content_sticky"),e.if("_isStickyToTheLimiter","ck-sticky-panel__content_sticky_bottom-limit")],style:{width:e.to("isSticky",(t=>t?fl(this._contentPanelPlaceholder.getBoundingClientRect().width):null)),top:e.to("_hasViewportTopOffset",(t=>t?fl(this.viewportTopOffset):null)),bottom:e.to("_isStickyToTheLimiter",(t=>t?fl(this.limiterBottomOffset):null)),marginLeft:e.to("_marginLeft")}},children:this.content}).render(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-sticky-panel"]},children:[this._contentPanelPlaceholder,this._contentPanel]})}render(){super.render(),this._checkIfShouldBeSticky(),this.listenTo(Mo.window,"scroll",(()=>{this._checkIfShouldBeSticky()})),this.listenTo(this,"change:isActive",(()=>{this._checkIfShouldBeSticky()}))}_checkIfShouldBeSticky(){const t=this._panelRect=this._contentPanel.getBoundingClientRect();let e;this.limiterElement?(e=this._limiterRect=this.limiterElement.getBoundingClientRect(),this.isSticky=this.isActive&&e.top<this.viewportTopOffset&&this._panelRect.height+this.limiterBottomOffset<e.height):this.isSticky=!1,this.isSticky?(this._isStickyToTheLimiter=e.bottom<t.height+this.limiterBottomOffset+this.viewportTopOffset,this._hasViewportTopOffset=!this._isStickyToTheLimiter&&!!this.viewportTopOffset,this._marginLeft=this._isStickyToTheLimiter?null:fl(-Mo.window.scrollX)):(this._isStickyToTheLimiter=!1,this._hasViewportTopOffset=!1,this._marginLeft=null)}}class gl{constructor(t){if(Object.assign(this,t),t.actions&&t.keystrokeHandler)for(const e in t.actions){let i=t.actions[e];"string"==typeof i&&(i=[i]);for(const n of i)t.keystrokeHandler.set(n,((t,i)=>{this[e](),i()}))}}get first(){return this.focusables.find(ml)||null}get last(){return this.focusables.filter(ml).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,i)=>{const n=e.element===this.focusTracker.focusedElement;return n&&(t=i),n})),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,i=this.focusables.length;if(!i)return null;if(null===e)return this[1===t?"first":"last"];let n=(e+i+t)%i;do{const e=this.focusables.get(n);if(ml(e))return e;n=(n+i+t)%i}while(n!==e);return null}}function ml(t){return!(!t.focus||"none"==Mo.window.getComputedStyle(t.element).display)}class bl extends ol{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class wl extends ol{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__line-break"]}})}}class kl{constructor(t,e){kl._observerInstance||kl._createObserver(),this._element=t,this._callback=e,kl._addElementCallback(t,e),kl._observerInstance.observe(t)}destroy(){kl._deleteElementCallback(this._element,this._callback)}static _addElementCallback(t,e){kl._elementCallbacks||(kl._elementCallbacks=new Map);let i=kl._elementCallbacks.get(t);i||(i=new Set,kl._elementCallbacks.set(t,i)),i.add(e)}static _deleteElementCallback(t,e){const i=kl._getElementCallbacks(t);i&&(i.delete(e),i.size||(kl._elementCallbacks.delete(t),kl._observerInstance.unobserve(t))),kl._elementCallbacks&&!kl._elementCallbacks.size&&(kl._observerInstance=null,kl._elementCallbacks=null)}static _getElementCallbacks(t){return kl._elementCallbacks?kl._elementCallbacks.get(t):null}static _createObserver(){let t;t="function"==typeof Mo.window.ResizeObserver?Mo.window.ResizeObserver:_l,kl._observerInstance=new t((t=>{for(const e of t){const t=kl._getElementCallbacks(e.target);if(t)for(const i of t)i(e)}}))}}kl._observerInstance=null,kl._elementCallbacks=null;class _l{constructor(t){this._callback=t,this._elements=new Set,this._previousRects=new Map,this._periodicCheckTimeout=null}observe(t){this._elements.add(t),this._checkElementRectsAndExecuteCallback(),1===this._elements.size&&this._startPeriodicCheck()}unobserve(t){this._elements.delete(t),this._previousRects.delete(t),this._elements.size||this._stopPeriodicCheck()}_startPeriodicCheck(){const t=()=>{this._checkElementRectsAndExecuteCallback(),this._periodicCheckTimeout=setTimeout(t,100)};this.listenTo(Mo.window,"resize",(()=>{this._checkElementRectsAndExecuteCallback()})),this._periodicCheckTimeout=setTimeout(t,100)}_stopPeriodicCheck(){clearTimeout(this._periodicCheckTimeout),this.stopListening(),this._previousRects.clear()}_checkElementRectsAndExecuteCallback(){const t=[];for(const e of this._elements)this._hasRectChanged(e)&&t.push({target:e,contentRect:this._previousRects.get(e)});t.length&&this._callback(t)}_hasRectChanged(t){if(!t.ownerDocument.body.contains(t))return!1;const e=new Rs(t),i=this._previousRects.get(t),n=!i||!i.isEqual(e);return this._previousRects.set(t,e),n}}si(_l,$o);class vl extends ol{constructor(t){super(t);const e=this.bindTemplate;this.set("isVisible",!1),this.set("position","se"),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-dropdown__panel",e.to("position",(t=>`ck-dropdown__panel_${t}`)),e.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:e.to((t=>t.preventDefault()))}})}focus(){this.children.length&&this.children.first.focus()}focusLast(){if(this.children.length){const t=this.children.last;"function"==typeof t.focusLast?t.focusLast():t.focus()}}}function yl({element:t,target:e,positions:i,limiter:n,fitInViewport:o}){S(e)&&(e=e()),S(n)&&(n=n());const s=function(t){return t&&t.parentNode?t.offsetParent===Mo.document.body?null:t.offsetParent:null}(t),r=new Rs(t),a=new Rs(e);let c,l;if(n||o){const t=function(t,e){const{elementRect:i,viewportRect:n}=e,o=i.getArea(),s=function(t,{targetRect:e,elementRect:i,limiterRect:n,viewportRect:o}){const s=[],r=i.getArea();for(const a of t){const t=xl(a,e,i);if(!t)continue;const[c,l]=t;let d=0,h=0;if(n)if(o){const t=n.getIntersection(o);t&&(d=t.getIntersectionArea(l))}else d=n.getIntersectionArea(l);o&&(h=o.getIntersectionArea(l));const u={positionName:c,positionRect:l,limiterIntersectArea:d,viewportIntersectArea:h};if(d===r)return[u];s.push(u)}return s}(t,e);if(n){const t=Al(s.filter((({viewportIntersectArea:t})=>t===o)),o);if(t)return t}return Al(s,o)}(i,{targetRect:a,elementRect:r,limiterRect:n&&new Rs(n).getVisible(),viewportRect:o&&new Rs(Mo.window)});[l,c]=t||xl(i[0],a,r)}else[l,c]=xl(i[0],a,r);let d=Pl(c);return s&&(d=function({left:t,top:e},i){const n=Pl(new Rs(i)),o=Ss(i);return t-=n.left,e-=n.top,t+=i.scrollLeft,e+=i.scrollTop,{left:t-=o.left,top:e-=o.top}}(d,s)),{left:d.left,top:d.top,name:l}}function xl(t,e,i){const n=t(e,i);if(!n)return null;const{left:o,top:s,name:r}=n;return[r,i.clone().moveTo(o,s)]}function Al(t,e){let i,n,o=0;for(const{positionName:s,positionRect:r,limiterIntersectArea:a,viewportIntersectArea:c}of t){if(a===e)return[s,r];const t=c**2+a**2;t>o&&(o=t,i=r,n=s)}return i?[n,i]:null}function Pl({left:t,top:e}){const{scrollX:i,scrollY:n}=Mo.window;return{left:t+i,top:e+n}}i(6396);class Cl extends ol{constructor(t,e,i){super(t);const n=this.bindTemplate;this.buttonView=e,this.panelView=i,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("id"),this.set("panelPosition","auto"),this.keystrokes=new wc,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",n.to("class"),n.if("isEnabled","ck-disabled",(t=>!t))],id:n.to("id"),"aria-describedby":n.to("ariaDescribedById")},children:[e,i]}),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=Cl._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:this._panelPositions}).name:this.panelView.position=this.panelPosition)})),this.keystrokes.listenTo(this.element);const t=(t,e)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,e())};this.keystrokes.set("arrowdown",((t,e)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,e())})),this.keystrokes.set("arrowright",((t,e)=>{this.isOpen&&e()})),this.keystrokes.set("arrowleft",t),this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}get _panelPositions(){const{south:t,north:e,southEast:i,southWest:n,northEast:o,northWest:s,southMiddleEast:r,southMiddleWest:a,northMiddleEast:c,northMiddleWest:l}=Cl.defaultPanelPositions;return"rtl"!==this.locale.uiLanguageDirection?[i,n,r,a,t,o,s,c,l,e]:[n,i,a,r,t,s,o,l,c,e]}}Cl.defaultPanelPositions={south:(t,e)=>({top:t.bottom,left:t.left-(e.width-t.width)/2,name:"s"}),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"}),southMiddleEast:(t,e)=>({top:t.bottom,left:t.left-(e.width-t.width)/4,name:"sme"}),southMiddleWest:(t,e)=>({top:t.bottom,left:t.left-3*(e.width-t.width)/4,name:"smw"}),north:(t,e)=>({top:t.top-e.height,left:t.left-(e.width-t.width)/2,name:"n"}),northEast:(t,e)=>({top:t.top-e.height,left:t.left,name:"ne"}),northWest:(t,e)=>({top:t.top-e.height,left:t.left-e.width+t.width,name:"nw"}),northMiddleEast:(t,e)=>({top:t.top-e.height,left:t.left-(e.width-t.width)/4,name:"nme"}),northMiddleWest:(t,e)=>({top:t.top-e.height,left:t.left-3*(e.width-t.width)/4,name:"nmw"})},Cl._getOptimalPosition=yl,i(2974);class Tl extends ol{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}))}}i(6320);class El extends ol{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")}]}]})}}i(4105);class Sl extends ol{constructor(t){super(t);const e=this.bindTemplate,i=ze();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(i),this.iconView=new Tl,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_${i}`,"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 El;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new ol,i=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:i.to("labelStyle"),id:`ck-editor__aria-label_${t}`},children:[{text:this.bindTemplate.to("label")}]}),e}_createKeystrokeView(){const t=new ol;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",(t=>Gn(t)))}]}),t}_getTooltipString(t,e,i){return t?"string"==typeof t?t:(i&&(i=Gn(i)),t instanceof Function?t(e,i):`${e}${i?` (${i})`:""}`):""}}var Ol=i(5272);class Rl extends Sl{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 Tl;return t.content=Ol,t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}i(1576);class Il extends ol{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Tc,this.keystrokes=new wc,this._focusCycler=new gl({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 Ml extends ol{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 Nl extends ol{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}i(6855);class Vl extends Sl{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 ol;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),t}}function Fl({emitter:t,activator:e,callback:i,contextElements:n}){t.listenTo(document,"mousedown",((t,o)=>{if(!e())return;const s="function"==typeof o.composedPath?o.composedPath():[];for(const t of n)if(t.contains(o.target)||s.includes(t))return;i()}))}function Bl(t,e=Rl){const i=new e(t),n=new vl(t),o=new Cl(t,i,n);return i.bind("isEnabled").to(o),i instanceof Rl?i.bind("isOn").to(o,"isOpen"):i.arrowView.bind("isOn").to(o,"isOpen"),function(t){(function(t){t.on("render",(()=>{Fl({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})}))})(t),function(t){t.on("execute",(e=>{e.source instanceof Vl||(t.isOpen=!1)}))}(t),function(t){t.keystrokes.set("arrowdown",((e,i)=>{t.isOpen&&(t.panelView.focus(),i())})),t.keystrokes.set("arrowup",((e,i)=>{t.isOpen&&(t.panelView.focusLast(),i())}))}(t)}(o),o}function Dl(t,e){const i=t.locale,n=i.t,o=t.toolbarView=new zl(i);o.set("ariaLabel",n("Dropdown toolbar")),t.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),e.map((t=>o.items.add(t))),t.panelView.children.add(o),o.items.delegate("execute").to(t)}i(1630),i(9466);var Ll=i(2738);i(5480);class zl extends ol{constructor(t,e){super(t);const i=this.bindTemplate,n=this.t;this.options=e||{},this.set("ariaLabel",n("Editor toolbar")),this.set("maxWidth","auto"),this.items=this.createCollection(),this.focusTracker=new Tc,this.keystrokes=new wc,this.set("class"),this.set("isCompact",!1),this.itemsView=new jl(t),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection(),this._focusCycler=new gl({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}});const o=["ck","ck-toolbar",i.to("class"),i.if("isCompact","ck-toolbar_compact")];var s;this.options.shouldGroupWhenFull&&this.options.isFloating&&o.push("ck-toolbar_floating"),this.setTemplate({tag:"div",attributes:{class:o,role:"toolbar","aria-label":i.to("ariaLabel"),style:{maxWidth:i.to("maxWidth")}},children:this.children,on:{mousedown:(s=this,s.bindTemplate.to((t=>{t.target===s.element&&t.preventDefault()})))}}),this._behavior=this.options.shouldGroupWhenFull?new ql(this):new $l(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){const i=Oc(t),n=i.items.filter(((t,n,o)=>"|"===t||-1===i.removeItems.indexOf(t)&&("-"===t?!this.options.shouldGroupWhenFull||(qe("toolbarview-line-break-ignored-when-grouping-items",o),!1):!!e.has(t)||(qe("toolbarview-item-unavailable",{name:t}),!1)))),o=this._cleanSeparators(n).map((t=>"|"===t?new bl:"-"===t?new wl:e.create(t)));this.items.addMany(o)}_cleanSeparators(t){const e=t=>"-"!==t&&"|"!==t,i=t.length,n=t.findIndex(e),o=i-t.slice().reverse().findIndex(e);return t.slice(n,o).filter(((t,i,n)=>!!e(t)||!(i>0&&n[i-1]===t)))}}class jl extends ol{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class $l{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 ql{constructor(t){this.view=t,this.viewChildren=t.children,this.viewFocusables=t.focusables,this.viewItemsView=t.itemsView,this.viewFocusTracker=t.focusTracker,this.viewLocale=t.locale,this.ungroupedItems=t.createCollection(),this.groupedItems=t.createCollection(),this.groupedItemsDropdown=this._createGroupedItemsDropdown(),this.resizeObserver=null,this.cachedPadding=null,this.shouldUpdateGroupingOnNextResize=!1,t.itemsView.children.bindTo(this.ungroupedItems).using((t=>t)),this.ungroupedItems.on("add",this._updateFocusCycleableItems.bind(this)),this.ungroupedItems.on("remove",this._updateFocusCycleableItems.bind(this)),t.children.on("add",this._updateFocusCycleableItems.bind(this)),t.children.on("remove",this._updateFocusCycleableItems.bind(this)),t.items.on("change",((t,e)=>{const i=e.index;for(const t of e.removed)i>=this.ungroupedItems.length?this.groupedItems.remove(t):this.ungroupedItems.remove(t);for(let t=i;t<i+e.added.length;t++){const n=e.added[t-i];t>this.ungroupedItems.length?this.groupedItems.add(n,t-this.ungroupedItems.length):this.ungroupedItems.add(n,t)}this._updateGrouping()})),t.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(t){this.viewElement=t.element,this._enableGroupingOnResize(),this._enableGroupingOnMaxWidthChange(t)}destroy(){this.groupedItemsDropdown.destroy(),this.resizeObserver.destroy()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement))return;if(!this.viewElement.offsetParent)return void(this.shouldUpdateGroupingOnNextResize=!0);const t=this.groupedItems.length;let e;for(;this._areItemsOverflowing;)this._groupLastItem(),e=!0;if(!e&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}this.groupedItems.length!==t&&this.view.fire("groupedItemsUpdate")}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const t=this.viewElement,e=this.viewLocale.uiLanguageDirection,i=new Rs(t.lastChild),n=new Rs(t);if(!this.cachedPadding){const i=Mo.window.getComputedStyle(t),n="ltr"===e?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(i[n])}return"ltr"===e?i.right>n.right-this.cachedPadding:i.left<n.left+this.cachedPadding}_enableGroupingOnResize(){let t;this.resizeObserver=new kl(this.viewElement,(e=>{t&&t===e.contentRect.width&&!this.shouldUpdateGroupingOnNextResize||(this.shouldUpdateGroupingOnNextResize=!1,this._updateGrouping(),t=e.contentRect.width)})),this._updateGrouping()}_enableGroupingOnMaxWidthChange(t){t.on("change:maxWidth",(()=>{this._updateGrouping()}))}_groupLastItem(){this.groupedItems.length||(this.viewChildren.add(new bl),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,i=Bl(t);return i.class="ck-toolbar__grouped-dropdown",i.panelPosition="ltr"===t.uiLanguageDirection?"sw":"se",Dl(i,[]),i.buttonView.set({label:e("Show more items"),tooltip:!0,tooltipPosition:"rtl"===t.uiLanguageDirection?"se":"sw",icon:Ll}),i.toolbarView.items.bindTo(this.groupedItems).using((t=>t)),i}_updateFocusCycleableItems(){this.viewFocusables.clear(),this.ungroupedItems.map((t=>{this.viewFocusables.add(t)})),this.groupedItems.length&&this.viewFocusables.add(this.groupedItemsDropdown)}}i(7194);class Wl extends ll{constructor(t,e,i={}){super(t),this.stickyPanel=new pl(t),this.toolbar=new zl(t,{shouldGroupWhenFull:i.shouldToolbarGroupWhenFull}),this.editable=new hl(t,e)}render(){super.render(),this.stickyPanel.content.add(this.toolbar),this.top.add(this.stickyPanel),this.main.add(this.editable)}}function Hl(t){return t instanceof HTMLTextAreaElement?t.value:t.innerHTML}class Ul extends _c{constructor(t,e){super(e),Ne(t)&&(this.sourceElement=t),this.model.document.createRoot();const i=!this.config.get("toolbar.shouldNotGroupWhenFull"),n=new Wl(this.locale,this.editing.view,{shouldToolbarGroupWhenFull:i});this.ui=new Fc(this,n),Ac(this)}destroy(){return this.sourceElement&&this.updateSourceElement(),this.ui.destroy(),super.destroy()}static create(t,e={}){return new Promise((i=>{const n=new this(t,e);i(n.initPlugins().then((()=>n.ui.init(Ne(t)?t:null))).then((()=>{if(!Ne(t)&&e.initialData)throw new $e("editor-create-initial-data",null);const i=e.initialData||function(t){return Ne(t)?Hl(t):t}(t);return n.data.init(i)})).then((()=>n.fire("ready"))).then((()=>n)))}))}}si(Ul,vc),si(Ul,xc);class Kl extends Ec{constructor(t,e){super(t),this.view=e,this._toolbarConfig=Oc(t.config.get("toolbar"))}get element(){return this.view.editable.element}init(){const t=this.editor,e=this.view,i=t.editing.view,n=e.editable,o=i.document.getRoot();n.name=o.rootName,e.render();const s=n.element;this.setEditableElement(n.name,s),this.focusTracker.add(s),n.bind("isFocused").to(this.focusTracker),i.attachDomRoot(s),this._initPlaceholder(),this._initToolbar(),this.fire("ready")}destroy(){const t=this.view;this.editor.editing.view.detachDomRoot(t.editable.name),t.destroy(),super.destroy()}_initToolbar(){const t=this.editor,e=this.view,i=e.editable.element,n=t.editing.view,o=e.toolbar;e.panel.bind("isVisible").to(this.focusTracker,"isFocused"),this._toolbarConfig.viewportTopOffset&&(e.viewportTopOffset=this._toolbarConfig.viewportTopOffset),e.listenTo(t.ui,"update",(()=>{e.panel.isVisible&&e.panel.pin({target:i,positions:e.panelPositions})})),o.fillFromConfig(this._toolbarConfig,this.componentFactory),Sc({origin:n,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:o})}_initPlaceholder(){const t=this.editor,e=t.editing.view,i=e.document.getRoot(),n=t.sourceElement,o=t.config.get("placeholder")||n&&"textarea"===n.tagName.toLowerCase()&&n.getAttribute("placeholder");o&&Ic({view:e,element:i,text:o,isDirectHost:!1})}}i(7443);const Gl=ul("px"),Jl=Mo.document.body;class Yl extends ol{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",e.to("position",(t=>`ck-balloon-panel_${t}`)),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("class")],style:{top:e.to("top",Gl),left:e.to("left",Gl)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=Yl.defaultPositions,i=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthMiddleWest,e.southArrowNorthMiddleEast,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthMiddleWest,e.northArrowSouthMiddleEast,e.northArrowSouthWest,e.northArrowSouthEast],limiter:Jl,fitInViewport:!0},t),n=Yl._getOptimalPosition(i),o=parseInt(n.left),s=parseInt(n.top),r=n.name;Object.assign(this,{top:s,left:o,position:r})}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=Xl(t.target),i=t.limiter?Xl(t.limiter):Jl;this.listenTo(Mo.document,"scroll",((n,o)=>{const s=o.target,r=e&&s.contains(e),a=i&&s.contains(i);!r&&!a&&e&&i||this.attachTo(t)}),{useCapture:!0}),this.listenTo(Mo.window,"resize",(()=>{this.attachTo(t)}))}_stopPinning(){this.stopListening(Mo.document,"scroll"),this.stopListening(Mo.window,"resize")}}function Xl(t){return Ne(t)?t:Es(t)?t.commonAncestorContainer:"function"==typeof t?Xl(t()):null}function Zl(t,e){return t.top-e.height-Yl.arrowVerticalOffset}function Ql(t){return t.bottom+Yl.arrowVerticalOffset}Yl.arrowHorizontalOffset=25,Yl.arrowVerticalOffset=10,Yl._getOptimalPosition=yl,Yl.defaultPositions={northWestArrowSouthWest:(t,e)=>({top:Zl(t,e),left:t.left-Yl.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthMiddleWest:(t,e)=>({top:Zl(t,e),left:t.left-.25*e.width-Yl.arrowHorizontalOffset,name:"arrow_smw"}),northWestArrowSouth:(t,e)=>({top:Zl(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthMiddleEast:(t,e)=>({top:Zl(t,e),left:t.left-.75*e.width+Yl.arrowHorizontalOffset,name:"arrow_sme"}),northWestArrowSouthEast:(t,e)=>({top:Zl(t,e),left:t.left-e.width+Yl.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:Zl(t,e),left:t.left+t.width/2-Yl.arrowHorizontalOffset,name:"arrow_sw"}),northArrowSouthMiddleWest:(t,e)=>({top:Zl(t,e),left:t.left+t.width/2-.25*e.width-Yl.arrowHorizontalOffset,name:"arrow_smw"}),northArrowSouth:(t,e)=>({top:Zl(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthMiddleEast:(t,e)=>({top:Zl(t,e),left:t.left+t.width/2-.75*e.width+Yl.arrowHorizontalOffset,name:"arrow_sme"}),northArrowSouthEast:(t,e)=>({top:Zl(t,e),left:t.left+t.width/2-e.width+Yl.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:Zl(t,e),left:t.right-Yl.arrowHorizontalOffset,name:"arrow_sw"}),northEastArrowSouthMiddleWest:(t,e)=>({top:Zl(t,e),left:t.right-.25*e.width-Yl.arrowHorizontalOffset,name:"arrow_smw"}),northEastArrowSouth:(t,e)=>({top:Zl(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthMiddleEast:(t,e)=>({top:Zl(t,e),left:t.right-.75*e.width+Yl.arrowHorizontalOffset,name:"arrow_sme"}),northEastArrowSouthEast:(t,e)=>({top:Zl(t,e),left:t.right-e.width+Yl.arrowHorizontalOffset,name:"arrow_se"}),southWestArrowNorthWest:(t,e)=>({top:Ql(t),left:t.left-Yl.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthMiddleWest:(t,e)=>({top:Ql(t),left:t.left-.25*e.width-Yl.arrowHorizontalOffset,name:"arrow_nmw"}),southWestArrowNorth:(t,e)=>({top:Ql(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthMiddleEast:(t,e)=>({top:Ql(t),left:t.left-.75*e.width+Yl.arrowHorizontalOffset,name:"arrow_nme"}),southWestArrowNorthEast:(t,e)=>({top:Ql(t),left:t.left-e.width+Yl.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:Ql(t),left:t.left+t.width/2-Yl.arrowHorizontalOffset,name:"arrow_nw"}),southArrowNorthMiddleWest:(t,e)=>({top:Ql(t),left:t.left+t.width/2-.25*e.width-Yl.arrowHorizontalOffset,name:"arrow_nmw"}),southArrowNorth:(t,e)=>({top:Ql(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthMiddleEast:(t,e)=>({top:Ql(t),left:t.left+t.width/2-.75*e.width+Yl.arrowHorizontalOffset,name:"arrow_nme"}),southArrowNorthEast:(t,e)=>({top:Ql(t),left:t.left+t.width/2-e.width+Yl.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:Ql(t),left:t.right-Yl.arrowHorizontalOffset,name:"arrow_nw"}),southEastArrowNorthMiddleWest:(t,e)=>({top:Ql(t),left:t.right-.25*e.width-Yl.arrowHorizontalOffset,name:"arrow_nmw"}),southEastArrowNorth:(t,e)=>({top:Ql(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthMiddleEast:(t,e)=>({top:Ql(t),left:t.right-.75*e.width+Yl.arrowHorizontalOffset,name:"arrow_nme"}),southEastArrowNorthEast:(t,e)=>({top:Ql(t),left:t.right-e.width+Yl.arrowHorizontalOffset,name:"arrow_ne"})};const td=ul("px");class ed extends al{constructor(t,e,i,n={}){super(t),this.toolbar=new zl(t,{shouldGroupWhenFull:n.shouldToolbarGroupWhenFull,isFloating:!0}),this.set("viewportTopOffset",0),this.panel=new Yl(t),this.panel.withArrow=!1,this.panelPositions=this._getPanelPositions(),this.panel.extendTemplate({attributes:{class:"ck-toolbar-container"}}),this.editable=new hl(t,e,i),this._resizeObserver=null}render(){if(super.render(),this.body.add(this.panel),this.registerChild(this.editable),this.panel.content.add(this.toolbar),this.toolbar.options.shouldGroupWhenFull){const t=this.editable.element;this._resizeObserver=new kl(t,(()=>{this.toolbar.maxWidth=td(new Rs(t).width)}))}}destroy(){super.destroy(),this._resizeObserver&&this._resizeObserver.destroy()}_getPanelPositionTop(t,e){let i;return i=t.top>e.height+this.viewportTopOffset?t.top-e.height:t.bottom>e.height+this.viewportTopOffset+50?this.viewportTopOffset:t.bottom,i}_getPanelPositions(){const t=[(t,e)=>({top:this._getPanelPositionTop(t,e),left:t.left,name:"toolbar_west"}),(t,e)=>({top:this._getPanelPositionTop(t,e),left:t.left+t.width-e.width,name:"toolbar_east"})];return"ltr"===this.locale.uiLanguageDirection?t:t.reverse()}}class id extends _c{constructor(t,e){super(e),this.model.document.createRoot(),Ne(t)&&(this.sourceElement=t,function(t){const e=t.sourceElement;if(e){if(e.ckeditorInstance)throw new $e("editor-source-element-already-used",t);e.ckeditorInstance=t,t.once("destroy",(()=>{delete e.ckeditorInstance}))}}(this));const i=!this.config.get("toolbar.shouldNotGroupWhenFull"),n=new ed(this.locale,this.editing.view,this.sourceElement,{shouldToolbarGroupWhenFull:i});this.ui=new Kl(this,n),Ac(this)}destroy(){const t=this.getData();return this.ui.destroy(),super.destroy().then((()=>{this.sourceElement&&yc(this.sourceElement,t)}))}static create(t,e={}){return new Promise((i=>{const n=Ne(t);if(n&&"TEXTAREA"===t.tagName)throw new $e("editor-wrong-element",null);const o=new this(t,e);i(o.initPlugins().then((()=>{o.ui.init()})).then((()=>{if(!n&&e.initialData)throw new $e("editor-create-initial-data",null);const i=e.initialData||function(t){return Ne(t)?Hl(t):t}(t);return o.data.init(i)})).then((()=>o.fire("ready"))).then((()=>o)))}))}}si(id,vc),si(id,xc);class nd{constructor(t){this.editor=t,this.set("isEnabled",!0),this._disableStack=new Set}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",od,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",od),this.isEnabled=!0)}destroy(){this.stopListening()}static get isContextPlugin(){return!1}}function od(t){t.return=!1,t.stop()}si(nd,gn);class sd{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,i)=>{i?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")}))}refresh(){this.isEnabled=!0}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",rd,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",rd),this.refresh())}execute(){}destroy(){this.stopListening()}}function rd(t){t.return=!1,t.stop()}function ad(t){const e=t.next();return e.done?null:e.value}si(sd,gn);class cd extends sd{refresh(){const t=this.editor.model,e=ad(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("element","paragraph"),this.isEnabled=!!e&&ld(e,t.schema)}execute(t={}){const e=this.editor.model,i=e.document;e.change((n=>{const o=(t.selection||i.selection).getSelectedBlocks();for(const t of o)!t.is("element","paragraph")&&ld(t,e.schema)&&n.rename(t,"paragraph")}))}}function ld(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class dd extends sd{execute(t){const e=this.editor.model;let i=t.position;e.change((t=>{const n=t.createElement("paragraph");if(!e.schema.checkChild(i.parent,n)){const o=e.schema.findAllowedParent(i,n);if(!o)return;i=t.split(i,o).position}e.insertContent(n,i),t.setSelection(n,"in")}))}}class hd extends nd{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model;t.commands.add("paragraph",new cd(t)),t.commands.add("insertParagraph",new dd(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),t.conversion.for("upcast").elementToElement({model:(t,{writer:e})=>hd.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement("paragraph"):null,view:/.+/,converterPriority:"low"})}}hd.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td","th"]);class ud extends sd{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=ad(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some((e=>fd(t,e,this.editor.model.schema)))}execute(t){const e=this.editor.model,i=e.document,n=t.value;e.change((t=>{const o=Array.from(i.selection.getSelectedBlocks()).filter((t=>fd(t,n,e.schema)));for(const e of o)e.is("element",n)||t.rename(e,n)}))}}function fd(t,e,i){return i.checkChild(t.parent,e)&&!i.isObject(t)}const pd="paragraph";class gd extends nd{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[hd]}init(){const t=this.editor,e=t.config.get("heading.options"),i=[];for(const n of e)n.model!==pd&&(t.model.schema.register(n.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(n),i.push(n.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new ud(t,i))}afterInit(){const t=this.editor,e=t.commands.get("enter"),i=t.config.get("heading.options");e&&this.listenTo(e,"afterExecute",((e,n)=>{const o=t.model.document.selection.getFirstPosition().parent;i.some((t=>o.is("element",t.model)))&&!o.is("element",pd)&&0===o.childCount&&n.writer.rename(o,pd)}))}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:je.get("low")+1})}}class md{constructor(t,e){e&&dn(this,e),t&&this.set(t)}}si(md,gn),i(3418);class bd extends nd{init(){const t=this.editor,e=t.t,i=function(t){const e=t.t,i={Paragraph:e("Paragraph"),"Heading 1":e("Heading 1"),"Heading 2":e("Heading 2"),"Heading 3":e("Heading 3"),"Heading 4":e("Heading 4"),"Heading 5":e("Heading 5"),"Heading 6":e("Heading 6")};return t.config.get("heading.options").map((t=>{const e=i[t.title];return e&&e!=t.title&&(t.title=e),t}))}(t),n=e("Choose heading"),o=e("Heading");t.ui.componentFactory.add("heading",(e=>{const s={},r=new ri,a=t.commands.get("heading"),c=t.commands.get("paragraph"),l=[a];for(const t of i){const e={type:"button",model:new md({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})),r.add(e),s[t.model]=t.title}const d=Bl(e);return function(t,e){const i=t.locale,n=t.listView=new Il(i);n.items.bindTo(e).using((({type:t,model:e})=>{if("separator"===t)return new Nl(i);if("button"===t||"switchbutton"===t){const n=new Ml(i);let o;return o="button"===t?new Sl(i):new Vl(i),o.bind(...Object.keys(e)).to(e),o.delegate("execute").to(n),n.children.add(o),n}})),t.panelView.children.add(n),n.items.delegate("execute").to(t)}(d,r),d.buttonView.set({isOn:!1,withText:!0,tooltip:o}),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 i=t||e&&"paragraph";return s[i]?s[i]:n})),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 wd extends nd{static get requires(){return[gd,bd]}static get pluginName(){return"Heading"}}class kd{constructor(t){this.files=function(t){const e=t.files?Array.from(t.files):[],i=t.items?Array.from(t.items):[];return e.length?e:i.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 _d extends hs{constructor(t){super(t);const e=this.document;function i(t,i){i.preventDefault();const n=i.dropRange?[i.dropRange]:Array.from(e.selection.getRanges()),o=new De(e,"clipboardInput");e.fire(o,{dataTransfer:i.dataTransfer,targetRanges:n}),o.stop.called&&i.stopPropagation()}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(e,"paste",i,{priority:"low"}),this.listenTo(e,"drop",i,{priority:"low"})}onDomEvent(t){const e={dataTransfer:new kd(t.clipboardData?t.clipboardData:t.dataTransfer)};"drop"==t.type&&(e.dropRange=function(t,e){const i=e.target.ownerDocument,n=e.clientX,o=e.clientY;let s;return i.caretRangeFromPoint&&i.caretRangeFromPoint(n,o)?s=i.caretRangeFromPoint(n,o):e.rangeParent&&(s=i.createRange(),s.setStart(e.rangeParent,e.rangeOffset),s.collapse(!0)),s?t.domConverter.domRangeToView(s):t.document.selection.getFirstRange()}(this.view,t)),this.fire(t.type,t,e)}}class vd extends nd{static get pluginName(){return"PastePlainText"}init(){const t=this.editor.editing.view,e=t.document;let i=!1;t.addObserver(_d),this.listenTo(e,"keydown",((t,e)=>{i=e.shiftKey})),this.listenTo(e,"clipboardInput",((t,e)=>{i&&(e.asPlainText=!0)}),{priority:"high"})}}function yd(t){return((t=t.replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\r?\n\r?\n/g,"</p><p>").replace(/\r?\n/g,"<br>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).includes("</p><p>")||t.includes("<br>"))&&(t=`<p>${t}</p>`),t}const xd=["figcaption","li"];function Ad(t){let e="";if(t.is("$text")||t.is("$textProxy"))e=t.data;else if(t.is("element","img")&&t.hasAttribute("alt"))e=t.getAttribute("alt");else if(t.is("element","br"))e="\n";else{let i=null;for(const n of t.getChildren()){const t=Ad(n);i&&(i.is("containerElement")||n.is("containerElement"))&&(xd.includes(i.name)||xd.includes(n.name)?e+="\n":e+="\n\n"),e+=t,i=n}}return e}class Pd extends nd{static get pluginName(){return"Clipboard"}static get requires(){return[vd]}init(){const t=this.editor,e=t.model.document,i=t.editing.view,n=i.document;function o(i,o){const s=o.dataTransfer;o.preventDefault();const r=t.data.toView(t.model.getSelectedContent(e.selection));n.fire("clipboardOutput",{dataTransfer:s,content:r,method:i.name})}i.addObserver(_d),this.listenTo(n,"clipboardInput",(e=>{t.isReadOnly&&e.stop()}),{priority:"highest"}),this.listenTo(n,"clipboardInput",((t,e)=>{const n=e.dataTransfer;let o="";n.getData("text/html")?o=function(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,((t,e)=>1==e.length?" ":e))}(n.getData("text/html")):n.getData("text/plain")&&(o=yd(n.getData("text/plain"))),o=this.editor.data.htmlProcessor.toView(o);const s=new De(this,"inputTransformation");this.fire(s,{content:o,dataTransfer:n,asPlainText:e.asPlainText}),s.stop.called&&t.stop(),i.scrollToTheSelection()}),{priority:"low"}),this.listenTo(this,"inputTransformation",((t,e)=>{if(!e.content.isEmpty){const i=this.editor.data,n=this.editor.model,o=i.toModel(e.content,"$clipboardHolder");if(0==o.childCount)return;n.change((t=>{const i=n.document.selection;if(e.asPlainText||function(t,e){if(t.childCount>1)return!1;const i=t.getChild(0);return!e.isObject(i)&&0==[...i.getAttributeKeys()].length}(o,n.schema)){const e=Array.from(i.getAttributes()).filter((([t])=>n.schema.getAttributeProperties(t).isFormatting));i.isCollapsed||n.deleteContent(i,{doNotAutoparagraph:!0}),e.push(...i.getAttributes());const s=t.createRangeIn(o);for(const i of s.getItems())(i.is("$text")||i.is("$textProxy"))&&t.setAttributes(e,i)}n.insertContent(o)})),t.stop()}}),{priority:"low"}),this.listenTo(n,"copy",o,{priority:"low"}),this.listenTo(n,"cut",((e,i)=>{t.isReadOnly?i.preventDefault():o(e,i)}),{priority:"low"}),this.listenTo(n,"clipboardOutput",((i,n)=>{n.content.isEmpty||(n.dataTransfer.setData("text/html",this.editor.data.htmlProcessor.toData(n.content)),n.dataTransfer.setData("text/plain",Ad(n.content))),"cut"==n.method&&t.model.deleteContent(e.selection)}),{priority:"low"})}}function*Cd(t,e){for(const i of e)i&&t.getAttributeProperties(i[0]).copyOnEnter&&(yield i)}class Td extends sd{execute(){const t=this.editor.model,e=t.document;t.change((i=>{!function(t,e,i,n){const o=i.isCollapsed,s=i.getFirstRange(),r=s.start.parent,a=s.end.parent;if(n.isLimit(r)||n.isLimit(a))o||r!=a||t.deleteContent(i);else if(o){const t=Cd(e.model.schema,i.getAttributes());Ed(e,s.start),e.setSelectionAttribute(t)}else{const n=!(s.start.isAtStart&&s.end.isAtEnd),o=r==a;t.deleteContent(i,{leaveUnmerged:n}),n&&(o?Ed(e,i.focus):e.setSelection(a,0))}}(this.editor.model,i,e.selection,t.schema),this.fire("afterExecute",{writer:i})}))}}function Ed(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class Sd extends Ho{constructor(t){super(t);const e=this.document;e.on("keydown",((t,i)=>{if(this.isEnabled&&i.keyCode==Hn.enter){let n;e.once("enter",(t=>n=t),{priority:"highest"}),e.fire("enter",new ds(e,i.domEvent,{isSoft:i.shiftKey})),n&&n.stop.called&&t.stop()}}))}observe(){}}class Od extends nd{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,i=e.document;e.addObserver(Sd),t.commands.add("enter",new Td(t)),this.listenTo(i,"enter",((i,n)=>{n.preventDefault(),n.isSoft||(t.execute("enter"),e.scrollToTheSelection())}),{priority:"low"})}}class Rd extends sd{execute(){const t=this.editor.model,e=t.document;t.change((i=>{!function(t,e,i){const n=i.isCollapsed,o=i.getFirstRange(),s=o.start.parent,r=o.end.parent,a=s==r;if(n){const n=Cd(t.schema,i.getAttributes());Id(t,e,o.end),e.removeSelectionAttribute(i.getAttributeKeys()),e.setSelectionAttribute(n)}else{const n=!(o.start.isAtStart&&o.end.isAtEnd);t.deleteContent(i,{leaveUnmerged:n}),a?Id(t,e,i.focus):n&&e.setSelection(r,0)}}(t,i,e.selection),this.fire("afterExecute",{writer:i})}))}refresh(){const t=this.editor.model,e=t.document;this.isEnabled=function(t,e){if(e.rangeCount>1)return!1;const i=e.anchor;if(!i||!t.checkChild(i,"softBreak"))return!1;const n=e.getFirstRange(),o=n.start.parent,s=n.end.parent;return!Md(o,t)&&!Md(s,t)||o===s}(t.schema,e.selection)}}function Id(t,e,i){const n=e.createElement("softBreak");t.insertContent(n,i),e.setSelection(n,"after")}function Md(t,e){return!t.is("rootElement")&&(e.isLimit(t)||Md(t.parent,e))}class Nd extends nd{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor,e=t.model.schema,i=t.conversion,n=t.editing.view,o=n.document;e.register("softBreak",{allowWhere:"$text",isInline:!0}),i.for("upcast").elementToElement({model:"softBreak",view:"br"}),i.for("downcast").elementToElement({model:"softBreak",view:(t,{writer:e})=>e.createEmptyElement("br")}),n.addObserver(Sd),t.commands.add("shiftEnter",new Rd(t)),this.listenTo(o,"enter",((e,i)=>{i.preventDefault(),i.isSoft&&(t.execute("shiftEnter"),n.scrollToTheSelection())}),{priority:"low"})}}class Vd extends sd{execute(){const t=this.editor.model,e=t.document.selection;let i=t.schema.getLimitElement(e);if(e.containsEntireContent(i)||!Fd(t.schema,i))do{if(i=i.parent,!i)return}while(!Fd(t.schema,i));t.change((t=>{t.setSelection(i,"in")}))}}function Fd(t,e){return t.isLimit(e)&&(t.checkChild(e,"$text")||t.checkChild(e,"paragraph"))}const Bd=Kn("Ctrl+A");class Dd extends nd{static get pluginName(){return"SelectAllEditing"}init(){const t=this.editor,e=t.editing.view.document;t.commands.add("selectAll",new Vd(t)),this.listenTo(e,"keydown",((e,i)=>{Un(i)===Bd&&(t.execute("selectAll"),i.preventDefault())}))}}var Ld=i(85);class zd extends nd{static get pluginName(){return"SelectAllUI"}init(){const t=this.editor;t.ui.componentFactory.add("selectAll",(e=>{const i=t.commands.get("selectAll"),n=new Sl(e),o=e.t;return n.set({label:o("Select all"),icon:Ld,keystroke:"Ctrl+A",tooltip:!0}),n.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(n,"execute",(()=>{t.execute("selectAll"),t.editing.view.focus()})),n}))}}class jd extends nd{static get requires(){return[Dd,zd]}static get pluginName(){return"SelectAll"}}class $d{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 qd extends sd{constructor(t,e){super(t),this._buffer=new $d(t.model,e),this._batches=new WeakSet}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(t={}){const e=this.editor.model,i=e.document,n=t.text||"",o=n.length,s=t.range?e.createSelection(t.range):i.selection,r=t.resultRange;e.enqueueChange(this._buffer.batch,(t=>{this._buffer.lock(),this._batches.add(this._buffer.batch),e.deleteContent(s),n&&e.insertContent(t.createText(n,i.selection.getAttributes()),s),r?t.setSelection(r):s.is("documentSelection")||t.setSelection(s),this._buffer.unlock(),this._buffer.input(o)}))}}const Wd=[Un("arrowUp"),Un("arrowRight"),Un("arrowDown"),Un("arrowLeft"),9,16,17,18,19,20,27,33,34,35,36,45,91,93,144,145,173,174,175,176,177,178,179,255];for(let t=112;t<=135;t++)Wd.push(t);function Hd(t){return!!t.ctrlKey||Wd.includes(t.keyCode)}function Ud(t){if(t.newChildren.length-t.oldChildren.length!=1)return;const e=function(t,e){const i=[];let n,o=0;return t.forEach((t=>{"equal"==t?(s(),o++):"insert"==t?(r("insert")?n.values.push(e[o]):(s(),n={type:"insert",index:o,values:[e[o]]}),o++):r("delete")?n.howMany++:(s(),n={type:"delete",index:o,howMany:1})})),s(),i;function s(){n&&(i.push(n),n=null)}function r(t){return n&&n.type==t}}(Po(t.oldChildren,t.newChildren,Kd),t.newChildren);if(e.length>1)return;const i=e[0];return i.values[0]&&i.values[0].is("$text")?i:void 0}function Kd(t,e){return t&&t.is("$text")&&e&&e.is("$text")?t.data===e.data:t===e}class Gd{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&&!Ud(e))return!0;return!1}(t))this._handleContainerChildrenMutations(t,e);else for(const i of t)this._handleTextMutation(i,e),this._handleTextNodeInsertion(i)}_handleContainerChildrenMutations(t,e){const i=function(t){const e=t.map((t=>t.node)).reduce(((t,e)=>t.getCommonAncestor(e,{includeSelf:!0})));if(e)return e.getAncestors({includeSelf:!0,parentFirst:!0}).find((t=>t.is("containerElement")||t.is("rootElement")))}(t);if(!i)return;const n=this.editor.editing.view.domConverter.mapViewToDom(i),o=new Bo(this.editor.editing.view.document),s=this.editor.data.toModel(o.domToView(n)).getChild(0),r=this.editor.editing.mapper.toModelElement(i);if(!r)return;const a=Array.from(s.getChildren()),c=Array.from(r.getChildren()),l=a[a.length-1],d=c[c.length-1],h=l&&l.is("element","softBreak"),u=d&&!d.is("element","softBreak");h&&u&&a.pop();const f=this.editor.model.schema;if(!Jd(a,f)||!Jd(c,f))return;const p=a.map((t=>t.is("$text")?t.data:"@")).join("").replace(/\u00A0/g," "),g=c.map((t=>t.is("$text")?t.data:"@")).join("").replace(/\u00A0/g," ");if(g===p)return;const m=Po(g,p),{firstChangeAt:b,insertions:w,deletions:k}=Yd(m);let _=null;e&&(_=this.editing.mapper.toModelRange(e.getFirstRange()));const v=p.substr(b,w),y=this.editor.model.createRange(this.editor.model.createPositionAt(r,b),this.editor.model.createPositionAt(r,b+k));this.editor.execute("input",{text:v,range:y,resultRange:_})}_handleTextMutation(t,e){if("text"!=t.type)return;const i=t.newText.replace(/\u00A0/g," "),n=t.oldText.replace(/\u00A0/g," ");if(n===i)return;const o=Po(n,i),{firstChangeAt:s,insertions:r,deletions:a}=Yd(o);let c=null;e&&(c=this.editing.mapper.toModelRange(e.getFirstRange()));const l=this.editing.view.createPositionAt(t.node,s),d=this.editing.mapper.toModelPosition(l),h=this.editor.model.createRange(d,d.getShiftedBy(a)),u=i.substr(s,r);this.editor.execute("input",{text:u,range:h,resultRange:c})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=Ud(t),i=this.editing.view.createPositionAt(t.node,e.index),n=this.editing.mapper.toModelPosition(i),o=e.values[0].data;this.editor.execute("input",{text:o.replace(/\u00A0/g," "),range:this.editor.model.createRange(n)})}}function Jd(t,e){return t.every((t=>e.isInline(t)))}function Yd(t){let e=null,i=null;for(let n=0;n<t.length;n++)"equal"!=t[n]&&(e=null===e?n:e,i=n);let n=0,o=0;for(let s=e;s<=i;s++)"insert"!=t[s]&&n++,"delete"!=t[s]&&o++;return{insertions:o,deletions:n,firstChangeAt:e}}class Xd extends nd{static get pluginName(){return"Input"}init(){const t=this.editor,e=new qd(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),function(t){let e=null;const i=t.model,n=t.editing.view,o=t.commands.get("input");function s(t){const s=i.document,a=n.document.isComposing,c=e&&e.isEqual(s.selection);e=null,o.isEnabled&&(Hd(t)||s.selection.isCollapsed||a&&229===t.keyCode||!a&&229===t.keyCode&&c||r())}function r(){const t=o.buffer;t.lock();const e=t.batch;o._batches.add(e),i.enqueueChange(e,(()=>{i.deleteContent(i.document.selection)})),t.unlock()}jn?n.document.on("beforeinput",((t,e)=>s(e)),{priority:"lowest"}):n.document.on("keydown",((t,e)=>s(e)),{priority:"lowest"}),n.document.on("compositionstart",(function(){const t=i.document,e=1!==t.selection.rangeCount||t.selection.getFirstRange().isFlat;t.selection.isCollapsed||e||r()}),{priority:"lowest"}),n.document.on("compositionend",(()=>{e=i.createSelection(i.document.selection)}),{priority:"lowest"})}(t),function(t){t.editing.view.document.on("mutations",((e,i,n)=>{new Gd(t).handle(i,n)}))}(t)}isInput(t){return this.editor.commands.get("input")._batches.has(t)}}class Zd extends sd{constructor(t,e){super(t),this.direction=e,this._buffer=new $d(t.model,t.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model,i=e.document;e.enqueueChange(this._buffer.batch,(n=>{this._buffer.lock();const o=n.createSelection(t.selection||i.selection),s=t.sequence||1,r=o.isCollapsed;if(o.isCollapsed&&e.modifySelection(o,{direction:this.direction,unit:t.unit}),this._shouldEntireContentBeReplacedWithParagraph(s))return void this._replaceEntireContentWithParagraph(n);if(this._shouldReplaceFirstBlockWithParagraph(o,s))return void this.editor.execute("paragraph",{selection:o});if(o.isCollapsed)return;let a=0;o.getFirstRange().getMinimalFlatRanges().forEach((t=>{a+=En(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))})),e.deleteContent(o,{doNotResetEntireContent:r,direction:this.direction}),this._buffer.input(a),n.setSelection(o),this._buffer.unlock()}))}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1)return!1;const e=this.editor.model,i=e.document.selection,n=e.schema.getLimitElement(i);if(!i.isCollapsed||!i.containsEntireContent(n))return!1;if(!e.schema.checkChild(n,"paragraph"))return!1;const o=n.getChild(0);return!o||"paragraph"!==o.name}_replaceEntireContentWithParagraph(t){const e=this.editor.model,i=e.document.selection,n=e.schema.getLimitElement(i),o=t.createElement("paragraph");t.remove(t.createRangeIn(n)),t.insert(o,n),t.setSelection(o,0)}_shouldReplaceFirstBlockWithParagraph(t,e){const i=this.editor.model;if(e>1||"backward"!=this.direction)return!1;if(!t.isCollapsed)return!1;const n=t.getFirstPosition(),o=i.schema.getLimitElement(n),s=o.getChild(0);return n.parent==s&&!!t.containsEntireContent(s)&&!!i.schema.checkChild(o,"paragraph")&&"paragraph"!=s.name}}class Qd extends Ho{constructor(t){super(t);const e=t.document;let i=0;function n(t,i,n){let o;e.once("delete",(t=>o=t),{priority:Number.POSITIVE_INFINITY}),e.fire("delete",new ds(e,i,n)),o&&o.stop.called&&t.stop()}e.on("keyup",((t,e)=>{e.keyCode!=Hn.delete&&e.keyCode!=Hn.backspace||(i=0)})),e.on("keydown",((t,e)=>{const o={};if(e.keyCode==Hn.delete)o.direction="forward",o.unit="character";else{if(e.keyCode!=Hn.backspace)return;o.direction="backward",o.unit="codePoint"}const s=Dn?e.altKey:e.ctrlKey;o.unit=s?"word":o.unit,o.sequence=++i,n(t,e.domEvent,o)})),jn&&e.on("beforeinput",((e,i)=>{if("deleteContentBackward"!=i.domEvent.inputType)return;const o={unit:"codepoint",direction:"backward",sequence:1},s=i.domTarget.ownerDocument.defaultView.getSelection();s.anchorNode==s.focusNode&&s.anchorOffset+1!=s.focusOffset&&(o.selectionToRemove=t.domConverter.domSelectionToView(s)),n(e,i.domEvent,o)}))}observe(){}}class th extends nd{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,i=e.document;if(e.addObserver(Qd),t.commands.add("forwardDelete",new Zd(t,"forward")),t.commands.add("delete",new Zd(t,"backward")),this.listenTo(i,"delete",((i,n)=>{const o={unit:n.unit,sequence:n.sequence};if(n.selectionToRemove){const e=t.model.createSelection(),i=[];for(const e of n.selectionToRemove.getRanges())i.push(t.editing.mapper.toModelRange(e));e.setTo(i),o.selection=e}t.execute("forward"==n.direction?"forwardDelete":"delete",o),n.preventDefault(),e.scrollToTheSelection()})),jn){let t=null;this.listenTo(i,"delete",((e,i)=>{const n=i.domTarget.ownerDocument.defaultView.getSelection();t={anchorNode:n.anchorNode,anchorOffset:n.anchorOffset,focusNode:n.focusNode,focusOffset:n.focusOffset}}),{priority:"lowest"}),this.listenTo(i,"keyup",((e,i)=>{if(t){const e=i.domTarget.ownerDocument.defaultView.getSelection();e.collapse(t.anchorNode,t.anchorOffset),e.extend(t.focusNode,t.focusOffset),t=null}}))}}}class eh extends nd{static get requires(){return[Xd,th]}static get pluginName(){return"Typing"}}const ih=new Map;function nh(t,e,i){let n=ih.get(t);n||(n=new Map,ih.set(t,n)),n.set(e,i)}function oh(t){return[t]}function sh(t,e,i={}){const n=function(t,e){const i=ih.get(t);return i&&i.has(e)?i.get(e):oh}(t.constructor,e.constructor);try{return n(t=t.clone(),e,i)}catch(t){throw t}}function rh(t,e,i){t=t.slice(),e=e.slice();const n=new ah(i.document,i.useRelations,i.forceWeakRemove);n.setOriginalOperations(t),n.setOriginalOperations(e);const o=n.originalOperations;if(0==t.length||0==e.length)return{operationsA:t,operationsB:e,originalOperations:o};const s=new WeakMap;for(const e of t)s.set(e,0);const r={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 i=t[a],o=s.get(i);if(o==e.length){a++;continue}const r=e[o],c=sh(i,r,n.getContext(i,r,!0)),l=sh(r,i,n.getContext(r,i,!1));n.updateRelation(i,r),n.setOriginalOperations(c,i),n.setOriginalOperations(l,r);for(const t of c)s.set(t,o+l.length);t.splice(a,1,...c),e.splice(o,1,...l)}if(i.padWithNoOps){const i=t.length-r.originalOperationsACount,n=e.length-r.originalOperationsBCount;lh(t,n-i),lh(e,i-n)}return ch(t,r.nextBaseVersionB),ch(e,r.nextBaseVersionA),{operationsA:t,operationsB:e,originalOperations:o}}class ah{constructor(t,e,i=!1){this.originalOperations=new Map,this._history=t.history,this._useRelations=e,this._forceWeakRemove=!!i,this._relations=new Map}setOriginalOperations(t,e=null){const i=e?this.originalOperations.get(e):null;for(const e of t)this.originalOperations.set(e,i||e)}updateRelation(t,e){switch(t.constructor){case Aa:switch(e.constructor){case Sa: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 Aa:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,"insertBefore"):this._setRelation(t,e,"insertAfter")}break;case Oa:switch(e.constructor){case Sa:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,"splitBefore");break;case Aa:(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))&&this._setRelation(t,e,"splitBefore")}break;case Sa:switch(e.constructor){case Sa: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 Oa:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,"splitAtSource")}break;case Ca:{const i=t.newRange;if(!i)return;switch(e.constructor){case Aa:{const n=ir._createFromPositionAndShift(e.sourcePosition,e.howMany),o=n.containsPosition(i.start)||n.start.isEqual(i.start),s=n.containsPosition(i.end)||n.end.isEqual(i.end);!o&&!s||n.containsRange(i)||this._setRelation(t,e,{side:o?"left":"right",path:o?i.start.path.slice():i.end.path.slice()});break}case Sa:{const n=i.start.isEqual(e.targetPosition),o=i.start.isEqual(e.deletionPosition),s=i.end.isEqual(e.deletionPosition),r=i.end.isEqual(e.sourcePosition);(n||o||s||r)&&this._setRelation(t,e,{wasInLeftElement:n,wasStartBeforeMergedElement:o,wasEndBeforeMergedElement:s,wasInRightElement:r});break}}break}}}getContext(t,e,i){return{aIsStrong:i,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 i=this.originalOperations.get(e),n=this._history.getUndoneOperation(i);if(!n)return null;const o=this.originalOperations.get(t),s=this._relations.get(o);return s&&s.get(n)||null}_setRelation(t,e,i){const n=this.originalOperations.get(t),o=this.originalOperations.get(e);let s=this._relations.get(n);s||(s=new Map,this._relations.set(n,s)),s.set(o,i)}}function ch(t,e){for(const i of t)i.baseVersion=e++}function lh(t,e){for(let i=0;i<e;i++)t.push(new Ya(0))}function dh(t,e,i){const n=t.nodes.getNode(0).getAttribute(e);if(n==i)return null;const o=new ir(t.position,t.position.getShiftedBy(t.howMany));return new ya(o,e,n,i,0)}function hh(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function uh(t,e){const i=[];for(let n=0;n<t.length;n++){const o=t[n],s=new Aa(o.start,o.end.offset-o.start.offset,e,0);i.push(s);for(let e=n+1;e<t.length;e++)t[e]=t[e]._getTransformedByMove(s.sourcePosition,s.targetPosition,s.howMany)[0];e=e._getTransformedByMove(s.sourcePosition,s.targetPosition,s.howMany)}return i}nh(ya,ya,((t,e,i)=>{if(t.key===e.key&&t.range.start.hasSameParentAs(e.range.start)){const n=t.range.getDifference(e.range).map((e=>new ya(e,t.key,t.oldValue,t.newValue,0))),o=t.range.getIntersection(e.range);return o&&i.aIsStrong&&n.push(new ya(o,e.key,e.newValue,t.newValue,0)),0==n.length?[new Ya(0)]:n}return[t]})),nh(ya,Pa,((t,e)=>{if(t.range.start.hasSameParentAs(e.position)&&t.range.containsPosition(e.position)){const i=t.range._getTransformedByInsertion(e.position,e.howMany,!e.shouldReceiveAttributes).map((e=>new ya(e,t.key,t.oldValue,t.newValue,t.baseVersion)));if(e.shouldReceiveAttributes){const n=dh(e,t.key,t.oldValue);n&&i.unshift(n)}return i}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]})),nh(ya,Sa,((t,e)=>{const i=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&i.push(ir._createFromPositionAndShift(e.graveyardPosition,1));const n=t.range._getTransformedByMergeOperation(e);return n.isCollapsed||i.push(n),i.map((e=>new ya(e,t.key,t.oldValue,t.newValue,t.baseVersion)))})),nh(ya,Aa,((t,e)=>function(t,e){const i=ir._createFromPositionAndShift(e.sourcePosition,e.howMany);let n=null,o=[];i.containsRange(t,!0)?n=t:t.start.hasSameParentAs(i.start)?(o=t.getDifference(i),n=t.getIntersection(i)):o=[t];const s=[];for(let t of o){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const i=e.getMovedRangeStart(),n=t.start.hasSameParentAs(i);t=t._getTransformedByInsertion(i,e.howMany,n),s.push(...t)}return n&&s.push(n._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,!1)[0]),s}(t.range,e).map((e=>new ya(e,t.key,t.oldValue,t.newValue,t.baseVersion))))),nh(ya,Oa,((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 i=t.clone();return i.range=new ir(e.moveTargetPosition.clone(),t.range.end._getCombined(e.splitPosition,e.moveTargetPosition)),t.range.end=e.splitPosition.clone(),t.range.end.stickiness="toPrevious",[t,i]}return t.range=t.range._getTransformedBySplitOperation(e),[t]})),nh(Pa,ya,((t,e)=>{const i=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const n=dh(t,e.key,e.newValue);n&&i.push(n)}return i})),nh(Pa,Pa,((t,e,i)=>(t.position.isEqual(e.position)&&i.aIsStrong||(t.position=t.position._getTransformedByInsertOperation(e)),[t]))),nh(Pa,Aa,((t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t]))),nh(Pa,Oa,((t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t]))),nh(Pa,Sa,((t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t]))),nh(Ca,Pa,((t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t]))),nh(Ca,Ca,((t,e,i)=>{if(t.name==e.name){if(!i.aIsStrong)return[new Ya(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]})),nh(Ca,Sa,((t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t]))),nh(Ca,Aa,((t,e,i)=>{if(t.oldRange&&(t.oldRange=ir._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(i.abRelation){const n=ir._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if("left"==i.abRelation.side&&e.targetPosition.isEqual(t.newRange.start))return t.newRange.start.path=i.abRelation.path,t.newRange.end=n.end,[t];if("right"==i.abRelation.side&&e.targetPosition.isEqual(t.newRange.end))return t.newRange.start=n.start,t.newRange.end.path=i.abRelation.path,[t]}t.newRange=ir._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]})),nh(Ca,Oa,((t,e,i)=>{if(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange){if(i.abRelation){const n=t.newRange._getTransformedBySplitOperation(e);return t.newRange.start.isEqual(e.splitPosition)&&i.abRelation.wasStartBeforeMergedElement?t.newRange.start=Zs._createAt(e.insertionPosition):t.newRange.start.isEqual(e.splitPosition)&&!i.abRelation.wasInLeftElement&&(t.newRange.start=Zs._createAt(e.moveTargetPosition)),t.newRange.end.isEqual(e.splitPosition)&&i.abRelation.wasInRightElement?t.newRange.end=Zs._createAt(e.moveTargetPosition):t.newRange.end.isEqual(e.splitPosition)&&i.abRelation.wasEndBeforeMergedElement?t.newRange.end=Zs._createAt(e.insertionPosition):t.newRange.end=n.end,[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]})),nh(Sa,Pa,((t,e)=>(t.sourcePosition.hasSameParentAs(e.position)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByInsertOperation(e),t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e),[t]))),nh(Sa,Sa,((t,e,i)=>{if(t.sourcePosition.isEqual(e.sourcePosition)&&t.targetPosition.isEqual(e.targetPosition)){if(i.bWasUndone){const i=e.graveyardPosition.path.slice();return i.push(0),t.sourcePosition=new Zs(e.graveyardPosition.root,i),t.howMany=0,[t]}return[new Ya(0)]}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!i.bWasUndone&&"splitAtSource"!=i.abRelation){const n="$graveyard"==t.targetPosition.root.rootName,o="$graveyard"==e.targetPosition.root.rootName,s=n&&!o;if(o&&!n||!s&&i.aIsStrong){const i=e.targetPosition._getTransformedByMergeOperation(e),n=t.targetPosition._getTransformedByMergeOperation(e);return[new Aa(i,t.howMany,n,0)]}return[new Ya(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)&&i.aIsStrong||(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]})),nh(Sa,Aa,((t,e,i)=>{const n=ir._createFromPositionAndShift(e.sourcePosition,e.howMany);return"remove"==e.type&&!i.bWasUndone&&!i.forceWeakRemove&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&n.containsPosition(t.sourcePosition)?[new Ya(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])})),nh(Sa,Oa,((t,e,i)=>{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 n=0!=e.howMany,o=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(n||o||"mergeTargetNotMoved"==i.abRelation)return t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),[t]}if(t.sourcePosition.isEqual(e.splitPosition)){if("mergeSourceNotMoved"==i.abRelation)return t.howMany=0,t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t];if("mergeSameElement"==i.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]})),nh(Aa,Pa,((t,e)=>{const i=ir._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByInsertOperation(e,!1)[0];return t.sourcePosition=i.start,t.howMany=i.end.offset-i.start.offset,t.targetPosition.isEqual(e.position)||(t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)),[t]})),nh(Aa,Aa,((t,e,i)=>{const n=ir._createFromPositionAndShift(t.sourcePosition,t.howMany),o=ir._createFromPositionAndShift(e.sourcePosition,e.howMany);let s,r=i.aIsStrong,a=!i.aIsStrong;if("insertBefore"==i.abRelation||"insertAfter"==i.baRelation?a=!0:"insertAfter"!=i.abRelation&&"insertBefore"!=i.baRelation||(a=!1),s=t.targetPosition.isEqual(e.targetPosition)&&a?t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany):t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),hh(t,e)&&hh(e,t))return[e.getReversed()];if(n.containsPosition(e.targetPosition)&&n.containsRange(o,!0))return n.start=n.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),n.end=n.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),uh([n],s);if(o.containsPosition(t.targetPosition)&&o.containsRange(n,!0))return n.start=n.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),n.end=n.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),uh([n],s);const c=fi(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return n.start=n.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),n.end=n.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),uh([n],s);"remove"!=t.type||"remove"==e.type||i.aWasUndone||i.forceWeakRemove?"remove"==t.type||"remove"!=e.type||i.bWasUndone||i.forceWeakRemove||(r=!1):r=!0;const l=[],d=n.getDifference(o);for(const t of d){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany),t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const i="same"==fi(t.start.getParentPath(),e.getMovedRangeStart().getParentPath()),n=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,i);l.push(...n)}const h=n.getIntersection(o);return null!==h&&r&&(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?o.start.isBefore(n.start)||o.start.isEqual(n.start)?l.unshift(h):l.push(h):l.splice(1,0,h)),0===l.length?[new Ya(t.baseVersion)]:uh(l,s)})),nh(Aa,Oa,((t,e,i)=>{let n=t.targetPosition.clone();t.targetPosition.isEqual(e.insertionPosition)&&e.graveyardPosition&&"moveTargetAfter"!=i.abRelation||(n=t.targetPosition._getTransformedBySplitOperation(e));const o=ir._createFromPositionAndShift(t.sourcePosition,t.howMany);if(o.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.howMany++,t.targetPosition=n,[t];if(o.start.hasSameParentAs(e.splitPosition)&&o.containsPosition(e.splitPosition)){let t=new ir(e.splitPosition,o.end);return t=t._getTransformedBySplitOperation(e),uh([new ir(o.start,e.splitPosition),t],n)}t.targetPosition.isEqual(e.splitPosition)&&"insertAtSource"==i.abRelation&&(n=e.moveTargetPosition),t.targetPosition.isEqual(e.insertionPosition)&&"insertBetween"==i.abRelation&&(n=t.targetPosition);const s=[o._getTransformedBySplitOperation(e)];if(e.graveyardPosition){const n=o.start.isEqual(e.graveyardPosition)||o.containsPosition(e.graveyardPosition);t.howMany>1&&n&&!i.aWasUndone&&s.push(ir._createFromPositionAndShift(e.insertionPosition,1))}return uh(s,n)})),nh(Aa,Sa,((t,e,i)=>{const n=ir._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&n.containsPosition(e.sourcePosition))if("remove"!=t.type||i.forceWeakRemove){if(1==t.howMany)return i.bWasUndone?(t.sourcePosition=e.graveyardPosition.clone(),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]):[new Ya(0)]}else if(!i.aWasUndone){const i=[];let n=e.graveyardPosition.clone(),o=e.targetPosition._getTransformedByMergeOperation(e);t.howMany>1&&(i.push(new Aa(t.sourcePosition,t.howMany-1,t.targetPosition,0)),n=n._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1),o=o._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1));const s=e.deletionPosition._getCombined(t.sourcePosition,t.targetPosition),r=new Aa(n,1,s,0),a=r.getMovedRangeStart().path.slice();a.push(0);const c=new Zs(r.targetPosition.root,a);o=o._getTransformedByMove(n,s,1);const l=new Aa(o,e.howMany,c,0);return i.push(r),i.push(l),i}const o=ir._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByMergeOperation(e);return t.sourcePosition=o.start,t.howMany=o.end.offset-o.start.offset,t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]})),nh(Ta,Pa,((t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t]))),nh(Ta,Sa,((t,e)=>t.position.isEqual(e.deletionPosition)?(t.position=e.graveyardPosition.clone(),t.position.stickiness="toNext",[t]):(t.position=t.position._getTransformedByMergeOperation(e),[t]))),nh(Ta,Aa,((t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t]))),nh(Ta,Ta,((t,e,i)=>{if(t.position.isEqual(e.position)){if(!i.aIsStrong)return[new Ya(0)];t.oldName=e.newName}return[t]})),nh(Ta,Oa,((t,e)=>{if("same"==fi(t.position.path,e.splitPosition.getParentPath())&&!e.graveyardPosition){const e=new Ta(t.position.getShiftedBy(1),t.oldName,t.newName,0);return[t,e]}return t.position=t.position._getTransformedBySplitOperation(e),[t]})),nh(Ea,Ea,((t,e,i)=>{if(t.root===e.root&&t.key===e.key){if(!i.aIsStrong||t.newValue===e.newValue)return[new Ya(0)];t.oldValue=e.newValue}return[t]})),nh(Oa,Pa,((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=Oa.getInsertionPosition(t.splitPosition),[t]))),nh(Oa,Sa,((t,e,i)=>{if(!t.graveyardPosition&&!i.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const i=e.graveyardPosition.path.slice();i.push(0);const n=new Zs(e.graveyardPosition.root,i),o=Oa.getInsertionPosition(new Zs(e.graveyardPosition.root,i)),s=new Oa(n,0,null,0);return s.insertionPosition=o,t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=Oa.getInsertionPosition(t.splitPosition),t.graveyardPosition=s.insertionPosition.clone(),t.graveyardPosition.stickiness="toNext",[s,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=Oa.getInsertionPosition(t.splitPosition),t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]})),nh(Oa,Aa,((t,e,i)=>{const n=ir._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){const o=n.start.isEqual(t.graveyardPosition)||n.containsPosition(t.graveyardPosition);if(!i.bWasUndone&&o){const i=t.splitPosition._getTransformedByMoveOperation(e),n=t.graveyardPosition._getTransformedByMoveOperation(e),o=n.path.slice();o.push(0);const s=new Zs(n.root,o);return[new Aa(i,t.howMany,s,0)]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&n.containsPosition(t.splitPosition)){const i=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);return t.howMany-=i,t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany),t.splitPosition=e.sourcePosition.clone(),t.insertionPosition=Oa.getInsertionPosition(t.splitPosition),[t]}return!t.splitPosition.isEqual(e.targetPosition)||"insertAtSource"!=i.baRelation&&"splitBefore"!=i.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=Oa.getInsertionPosition(t.splitPosition),[t]):(t.howMany+=e.howMany,t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany),t.insertionPosition=Oa.getInsertionPosition(t.splitPosition),[t])})),nh(Oa,Oa,((t,e,i)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new Ya(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new Ya(0)];if("splitBefore"==i.abRelation)return t.howMany=0,t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e),[t]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const n="$graveyard"==t.splitPosition.root.rootName,o="$graveyard"==e.splitPosition.root.rootName,s=n&&!o;if(o&&!n||!s&&i.aIsStrong){const i=[];return e.howMany&&i.push(new Aa(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&i.push(new Aa(t.splitPosition,t.howMany,t.moveTargetPosition,0)),i}return[new Ya(0)]}if(t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)),t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==i.abRelation)return t.howMany++,[t];if(e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==i.baRelation){const i=e.insertionPosition.path.slice();i.push(0);const n=new Zs(e.insertionPosition.root,i);return[t,new Aa(t.insertionPosition,1,n,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=Oa.getInsertionPosition(t.splitPosition),[t]}));class fh extends sd{constructor(t){super(t),this._stack=[],this._createdBatches=new WeakSet,this.refresh(),this.listenTo(t.data,"set",(()=>this.clearStack()))}refresh(){this.isEnabled=this._stack.length>0}addBatch(t){const e=this.editor.model.document.selection,i={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:i}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(t,e,i){const n=this.editor.model,o=n.document,s=[],r=t.map((t=>t.getTransformedByOperations(i))),a=r.flat();for(const t of r){const e=t.filter((t=>t.root!=o.graveyard)).filter((t=>!gh(t,a)));e.length&&(ph(e),s.push(e[0]))}s.length&&n.change((t=>{t.setSelection(s,{backward:e})}))}_undo(t,e){const i=this.editor.model,n=i.document;this._createdBatches.add(e);const o=t.operations.slice().filter((t=>t.isDocumentOperation));o.reverse();for(const t of o){const o=t.baseVersion+1,s=Array.from(n.history.getOperations(o)),r=rh([t.getReversed()],s,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const o of r)e.addOperation(o),i.applyOperation(o),n.history.setOperationAsUndone(t,o)}}}function ph(t){t.sort(((t,e)=>t.start.isBefore(e.start)?-1:1));for(let e=1;e<t.length;e++){const i=t[e-1].getJoined(t[e],!0);i&&(e--,t.splice(e,2,i))}}function gh(t,e){return e.some((e=>e!==t&&e.containsRange(t,!0)))}class mh extends fh{execute(t=null){const e=t?this._stack.findIndex((e=>e.batch==t)):this._stack.length-1,i=this._stack.splice(e,1)[0],n=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(n,(()=>{this._undo(i.batch,n);const t=this.editor.model.document.history.getOperations(i.batch.baseVersion);this._restoreSelection(i.selection.ranges,i.selection.isBackward,t),this.fire("revert",i.batch,n)})),this.refresh()}}class bh extends fh{execute(){const t=this._stack.pop(),e=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(e,(()=>{const i=t.batch.operations[t.batch.operations.length-1].baseVersion+1,n=this.editor.model.document.history.getOperations(i);this._restoreSelection(t.selection.ranges,t.selection.isBackward,n),this._undo(t.batch,e)})),this.refresh()}}class wh extends nd{static get pluginName(){return"UndoEditing"}constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new mh(t),this._redoCommand=new bh(t),t.commands.add("undo",this._undoCommand),t.commands.add("redo",this._redoCommand),this.listenTo(t.model,"applyOperation",((t,e)=>{const i=e[0];if(!i.isDocumentOperation)return;const n=i.batch,o=this._redoCommand._createdBatches.has(n),s=this._undoCommand._createdBatches.has(n);this._batchRegistry.has(n)||"transparent"==n.type&&!o&&!s||(o?this._undoCommand.addBatch(n):s||(this._undoCommand.addBatch(n),this._redoCommand.clearStack()),this._batchRegistry.add(n))}),{priority:"highest"}),this.listenTo(this._undoCommand,"revert",((t,e,i)=>{this._redoCommand.addBatch(i)})),t.keystrokes.set("CTRL+Z","undo"),t.keystrokes.set("CTRL+Y","redo"),t.keystrokes.set("CTRL+SHIFT+Z","redo")}}var kh=i(7262),_h=i(5772);class vh extends nd{init(){const t=this.editor,e=t.locale,i=t.t,n="ltr"==e.uiLanguageDirection?kh:_h,o="ltr"==e.uiLanguageDirection?_h:kh;this._addButton("undo",i("Undo"),"CTRL+Z",n),this._addButton("redo",i("Redo"),"CTRL+Y",o)}_addButton(t,e,i,n){const o=this.editor;o.ui.componentFactory.add(t,(s=>{const r=o.commands.get(t),a=new Sl(s);return a.set({label:e,icon:n,keystroke:i,tooltip:!0}),a.bind("isEnabled").to(r,"isEnabled"),this.listenTo(a,"execute",(()=>{o.execute(t),o.editing.view.focus()})),a}))}}class yh extends nd{static get requires(){return[wh,vh]}static get pluginName(){return"Undo"}}class xh extends nd{static get requires(){return[Pd,Od,jd,Nd,eh,yh]}static get pluginName(){return"Essentials"}}class Ah extends sd{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,i=e.document.selection,n=void 0===t.forceValue?!this.value:t.forceValue;e.change((t=>{if(i.isCollapsed)n?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const o=e.schema.getValidRanges(i.getRanges(),this.attributeKey);for(const e of o)n?t.setAttribute(this.attributeKey,n,e):t.removeAttribute(this.attributeKey,e)}}))}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,i=t.document.selection;if(i.isCollapsed)return i.hasAttribute(this.attributeKey);for(const t of i.getRanges())for(const i of t.getItems())if(e.checkAttribute(i,this.attributeKey))return i.hasAttribute(this.attributeKey);return!1}}const Ph="bold";class Ch extends nd{static get pluginName(){return"BoldEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Ph}),t.model.schema.setAttributeProperties(Ph,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:Ph,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(Ph,new Ah(t,Ph)),t.keystrokes.set("CTRL+B",Ph)}}var Th=i(7701);const Eh="bold";class Sh extends nd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(Eh,(i=>{const n=t.commands.get(Eh),o=new Sl(i);return o.set({label:e("Bold"),icon:Th,keystroke:"CTRL+B",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>{t.execute(Eh),t.editing.view.focus()})),o}))}}class Oh extends nd{static get requires(){return[Ch,Sh]}static get pluginName(){return"Bold"}}const Rh="italic";class Ih extends nd{static get pluginName(){return"ItalicEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Rh}),t.model.schema.setAttributeProperties(Rh,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:Rh,view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add(Rh,new Ah(t,Rh)),t.keystrokes.set("CTRL+I",Rh)}}var Mh=i(6939);const Nh="italic";class Vh extends nd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(Nh,(i=>{const n=t.commands.get(Nh),o=new Sl(i);return o.set({label:e("Italic"),icon:Mh,keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>{t.execute(Nh),t.editing.view.focus()})),o}))}}class Fh extends nd{static get requires(){return[Ih,Vh]}static get pluginName(){return"Italic"}}const Bh="underline";class Dh extends nd{static get pluginName(){return"UnderlineEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Bh}),t.model.schema.setAttributeProperties(Bh,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:Bh,view:"u",upcastAlso:{styles:{"text-decoration":"underline"}}}),t.commands.add(Bh,new Ah(t,Bh)),t.keystrokes.set("CTRL+U","underline")}}var Lh=i(299);const zh="underline";class jh extends nd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(zh,(i=>{const n=t.commands.get(zh),o=new Sl(i);return o.set({label:e("Underline"),icon:Lh,keystroke:"CTRL+U",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>{t.execute(zh),t.editing.view.focus()})),o}))}}class $h extends nd{static get requires(){return[Dh,jh]}static get pluginName(){return"Underline"}}const qh="strikethrough";class Wh extends nd{static get pluginName(){return"StrikethroughEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:qh}),t.model.schema.setAttributeProperties(qh,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:qh,view:"s",upcastAlso:["del","strike",{styles:{"text-decoration":"line-through"}}]}),t.commands.add(qh,new Ah(t,qh)),t.keystrokes.set("CTRL+SHIFT+X","strikethrough")}}var Hh=i(1432);const Uh="strikethrough";class Kh extends nd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(Uh,(i=>{const n=t.commands.get(Uh),o=new Sl(i);return o.set({label:e("Strikethrough"),icon:Hh,keystroke:"CTRL+SHIFT+X",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>{t.execute(Uh),t.editing.view.focus()})),o}))}}class Gh extends nd{static get requires(){return[Wh,Kh]}static get pluginName(){return"Strikethrough"}}const Jh="subscript";class Yh extends nd{static get pluginName(){return"SubscriptEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Jh}),t.model.schema.setAttributeProperties(Jh,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:Jh,view:"sub",upcastAlso:[{styles:{"vertical-align":"sub"}}]}),t.commands.add(Jh,new Ah(t,Jh))}}var Xh=i(4570);const Zh="subscript";class Qh extends nd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(Zh,(i=>{const n=t.commands.get(Zh),o=new Sl(i);return o.set({label:e("Subscript"),icon:Xh,tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>{t.execute(Zh),t.editing.view.focus()})),o}))}}class tu extends nd{static get requires(){return[Yh,Qh]}static get pluginName(){return"Subscript"}}const eu="superscript";class iu extends nd{static get pluginName(){return"SuperscriptEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:eu}),t.model.schema.setAttributeProperties(eu,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:eu,view:"sup",upcastAlso:[{styles:{"vertical-align":"super"}}]}),t.commands.add(eu,new Ah(t,eu))}}var nu=i(3039);const ou="superscript";class su extends nd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(ou,(i=>{const n=t.commands.get(ou),o=new Sl(i);return o.set({label:e("Superscript"),icon:nu,tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>{t.execute(ou),t.editing.view.focus()})),o}))}}class ru extends nd{static get requires(){return[iu,su]}static get pluginName(){return"Superscript"}}const au=["left","right","center","justify"];function cu(t){return au.includes(t)}function lu(t,e){return"rtl"==e.contentLanguageDirection?"right"===t:"left"===t}const du="alignment";class hu extends sd{refresh(){const t=this.editor.locale,e=ad(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,i=e.locale,n=e.model,o=n.document,s=t.value;n.change((t=>{const e=Array.from(o.selection.getSelectedBlocks()).filter((t=>this._canBeAligned(t))),n=e[0].getAttribute("alignment");lu(s,i)||n===s||!s?function(t,e){for(const i of t)e.removeAttribute(du,i)}(e,t):function(t,e,i){for(const n of t)e.setAttribute(du,i,n)}(e,t,s)}))}_canBeAligned(t){return this.editor.model.schema.checkAttribute(t,du)}}class uu extends nd{static get pluginName(){return"AlignmentEditing"}constructor(t){super(t),t.config.define("alignment",{options:[...au]})}init(){const t=this.editor,e=t.locale,i=t.model.schema,n=t.config.get("alignment.options").filter(cu);i.extend("$block",{allowAttributes:"alignment"}),t.model.schema.setAttributeProperties("alignment",{isFormatting:!0});const o=function(t){const e={model:{key:"alignment",values:t.slice()},view:{}};for(const i of t)e.view[i]={key:"style",value:{"text-align":i}};return e}(n.filter((t=>!lu(t,e))));t.conversion.attributeToAttribute(o),t.commands.add("alignment",new hu(t))}}var fu=i(4388),pu=i(4062),gu=i(6061),mu=i(3560);const bu=new Map([["left",fu],["right",pu],["center",gu],["justify",mu]]);class wu extends nd{get localizedOptionTitles(){const t=this.editor.t;return{left:t("Align left"),right:t("Align right"),center:t("Align center"),justify:t("Justify")}}static get pluginName(){return"AlignmentUI"}init(){const t=this.editor,e=t.ui.componentFactory,i=t.t,n=t.config.get("alignment.options");n.filter(cu).forEach((t=>this._addButton(t))),e.add("alignment",(t=>{const o=Bl(t),s=n.map((t=>e.create(`alignment:${t}`)));Dl(o,s),o.buttonView.set({label:i("Text alignment"),tooltip:!0}),o.toolbarView.isVertical=!0,o.toolbarView.ariaLabel=i("Text alignment toolbar"),o.extendTemplate({attributes:{class:"ck-alignment-dropdown"}});const r="rtl"===t.contentLanguageDirection?pu:fu;return o.buttonView.bind("icon").toMany(s,"isOn",((...t)=>{const e=t.findIndex((t=>t));return e<0?r:s[e].icon})),o.bind("isEnabled").toMany(s,"isEnabled",((...t)=>t.some((t=>t)))),o}))}_addButton(t){const e=this.editor;e.ui.componentFactory.add(`alignment:${t}`,(i=>{const n=e.commands.get("alignment"),o=new Sl(i);return o.set({label:this.localizedOptionTitles[t],icon:bu.get(t),tooltip:!0,isToggleable:!0}),o.bind("isEnabled").to(n),o.bind("isOn").to(n,"value",(e=>e===t)),this.listenTo(o,"execute",(()=>{e.execute("alignment",{value:t}),e.editing.view.focus()})),o}))}}class ku extends nd{static get requires(){return[uu,wu]}static get pluginName(){return"Alignment"}}class _u extends sd{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,i=Array.from(e.selection.getSelectedBlocks()).filter((e=>yu(e,t.schema))),n=!0===this.value;t.change((t=>{if(n){let e=i[i.length-1].nextSibling,n=Number.POSITIVE_INFINITY,o=[];for(;e&&"listItem"==e.name&&0!==e.getAttribute("listIndent");){const t=e.getAttribute("listIndent");t<n&&(n=t);const i=t-n;o.push({element:e,listIndent:i}),e=e.nextSibling}o=o.reverse();for(const e of o)t.setAttribute("listIndent",e.listIndent,e.element)}if(!n){let t=Number.POSITIVE_INFINITY;for(const e of i)e.is("element","listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));t=0===t?1:t,vu(i,!0,t),vu(i,!1,t)}for(const e of i.reverse())n&&"listItem"==e.name?t.rename(e,"paragraph"):n||"listItem"==e.name?n||"listItem"!=e.name||e.getAttribute("listType")==this.type||t.setAttribute("listType",this.type,e):(t.setAttributes({listType:this.type,listIndent:0},e),t.rename(e,"listItem"));this.fire("_executeCleanup",i)}))}_getValue(){const t=ad(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is("element","listItem")&&t.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,i=ad(t.getSelectedBlocks());return!!i&&yu(i,e)}}function vu(t,e,i){const n=e?t[0]:t[t.length-1];if(n.is("element","listItem")){let o=n[e?"previousSibling":"nextSibling"],s=n.getAttribute("listIndent");for(;o&&o.is("element","listItem")&&o.getAttribute("listIndent")>=i;)s>o.getAttribute("listIndent")&&(s=o.getAttribute("listIndent")),o.getAttribute("listIndent")==s&&t[e?"unshift":"push"](o),o=o[e?"previousSibling":"nextSibling"]}}function yu(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class xu extends sd{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 i=Array.from(e.selection.getSelectedBlocks());t.change((t=>{const e=i[i.length-1];let n=e.nextSibling;for(;n&&"listItem"==n.name&&n.getAttribute("listIndent")>e.getAttribute("listIndent");)i.push(n),n=n.nextSibling;this._indentBy<0&&(i=i.reverse());for(const e of i){const i=e.getAttribute("listIndent")+this._indentBy;i<0?t.rename(e,"paragraph"):t.setAttribute("listIndent",i,e)}this.fire("_executeCleanup",i)}))}_checkEnabled(){const t=ad(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("element","listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),i=t.getAttribute("listType");let n=t.previousSibling;for(;n&&n.is("element","listItem")&&n.getAttribute("listIndent")>=e;){if(n.getAttribute("listIndent")==e)return n.getAttribute("listType")==i;n=n.previousSibling}return!1}return!0}}function Au(t,e,i,n){const o=e.parent,s=i.mapper,r=i.writer;let a=s.toViewPosition(n.createPositionBefore(t));const c=Tu(t.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:t.getAttribute("listIndent")}),l=t.previousSibling;if(c&&c.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=s.toViewElement(c);a=r.breakContainer(r.createPositionAfter(t))}else if(l&&"listItem"==l.name){a=s.toViewPosition(n.createPositionAt(l,"end"));const t=s.findMappedViewAncestor(a),e=function(t){for(const e of t.getChildren())if("ul"==e.name||"ol"==e.name)return e;return null}(t);a=e?r.createPositionBefore(e):r.createPositionAt(t,"end")}else a=s.toViewPosition(n.createPositionBefore(t));if(a=Cu(a),r.insert(a,o),l&&"listItem"==l.name){const t=s.toViewElement(l),i=r.createRange(r.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of i)if(t.item.is("element","li")){const n=r.breakContainer(r.createPositionBefore(t.item)),o=t.item.parent,s=r.createPositionAt(e,"end");Pu(r,s.nodeBefore,s.nodeAfter),r.move(r.createRangeOn(o),s),i.position=n}}else{const i=o.nextSibling;if(i&&(i.is("element","ul")||i.is("element","ol"))){let n=null;for(const e of i.getChildren()){const i=s.toModelElement(e);if(!(i&&i.getAttribute("listIndent")>t.getAttribute("listIndent")))break;n=e}n&&(r.breakContainer(r.createPositionAfter(n)),r.move(r.createRangeOn(n.parent),r.createPositionAt(e,"end")))}}Pu(r,o,o.nextSibling),Pu(r,o.previousSibling,o)}function Pu(t,e,i){return!e||!i||"ul"!=e.name&&"ol"!=e.name||e.name!=i.name||e.getAttribute("class")!==i.getAttribute("class")?null:t.mergeContainers(t.createPositionAfter(e))}function Cu(t){return t.getLastMatchingPosition((t=>t.item.is("uiElement")))}function Tu(t,e){const i=!!e.sameIndent,n=!!e.smallerIndent,o=e.listIndent;let s=t;for(;s&&"listItem"==s.name;){const t=s.getAttribute("listIndent");if(i&&o==t||n&&o>t)return s;s="forward"===e.direction?s.nextSibling:s.previousSibling}return null}function Eu(t,e,i,n){t.ui.componentFactory.add(e,(o=>{const s=t.commands.get(e),r=new Sl(o);return r.set({label:i,icon:n,tooltip:!0,isToggleable:!0}),r.bind("isOn","isEnabled").to(s,"value","isEnabled"),r.on("execute",(()=>{t.execute(e),t.editing.view.focus()})),r}))}function Su(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:ln.call(this)}function Ou(t){return(e,i,n)=>{const o=n.consumable;if(!o.test(i.item,"insert")||!o.test(i.item,"attribute:listType")||!o.test(i.item,"attribute:listIndent"))return;o.consume(i.item,"insert"),o.consume(i.item,"attribute:listType"),o.consume(i.item,"attribute:listIndent");const s=i.item;Au(s,function(t,e){const i=e.mapper,n=e.writer,o="numbered"==t.getAttribute("listType")?"ol":"ul",s=function(t){const e=t.createContainerElement("li");return e.getFillerOffset=Su,e}(n),r=n.createContainerElement(o,null);return n.insert(n.createPositionAt(r,0),s),i.bindElements(t,s),s}(s,n),n,t)}}function Ru(t,e,i){if(!i.consumable.consume(e.item,"attribute:listType"))return;const n=i.mapper.toViewElement(e.item),o=i.writer;o.breakContainer(o.createPositionBefore(n)),o.breakContainer(o.createPositionAfter(n));const s=n.parent,r="numbered"==e.attributeNewValue?"ol":"ul";o.rename(r,s)}function Iu(t,e,i){const n=i.mapper.toViewElement(e.item).parent,o=i.writer;Pu(o,n,n.nextSibling),Pu(o,n.previousSibling,n);for(const t of e.item.getChildren())i.consumable.consume(t,"insert")}function Mu(t,e,i){if("listItem"!=e.item.name){let t=i.mapper.toViewPosition(e.range.start);const n=i.writer,o=[];for(;("ul"==t.parent.name||"ol"==t.parent.name)&&(t=n.breakContainer(t),"li"==t.parent.name);){const e=t,i=n.createPositionAt(t.parent,"end");if(!e.isEqual(i)){const t=n.remove(n.createRange(e,i));o.push(t)}t=n.createPositionAfter(t.parent)}if(o.length>0){for(let e=0;e<o.length;e++){const i=t.nodeBefore;if(t=n.insert(t,o[e]).end,e>0){const e=Pu(n,i,i.nextSibling);e&&e.parent==i&&t.offset--}}Pu(n,t.nodeBefore,t.nodeAfter)}}}function Nu(t,e,i){const n=i.mapper.toViewPosition(e.position),o=n.nodeBefore,s=n.nodeAfter;Pu(i.writer,o,s)}function Vu(t,e,i){if(i.consumable.consume(e.viewItem,{name:!0})){const t=i.writer,n=t.createElement("listItem"),o=function(t){let e=0,i=t.parent;for(;i;){if(i.is("element","li"))e++;else{const t=i.previousSibling;t&&t.is("element","li")&&e++}i=i.parent}return e}(e.viewItem);t.setAttribute("listIndent",o,n);const s=e.viewItem.parent&&"ol"==e.viewItem.parent.name?"numbered":"bulleted";if(t.setAttribute("listType",s,n),!i.safeInsert(n,e.modelCursor))return;const r=function(t,e,i){const{writer:n,schema:o}=i;let s=n.createPositionAfter(t);for(const r of e)if("ul"==r.name||"ol"==r.name)s=i.convertItem(r,s).modelCursor;else{const e=i.convertItem(r,n.createPositionAt(t,"end")),a=e.modelRange.start.nodeAfter;a&&a.is("element")&&!o.checkChild(t,a.name)&&(t=e.modelCursor.parent.is("element","listItem")?e.modelCursor.parent:zu(e.modelCursor),s=n.createPositionAfter(t))}return s}(n,e.viewItem.getChildren(),i);e.modelRange=t.createRange(e.modelCursor,r),i.updateConversionResult(n,e)}}function Fu(t,e,i){if(i.consumable.test(e.viewItem,{name:!0})){const t=Array.from(e.viewItem.getChildren());for(const e of t)!e.is("element","li")&&!$u(e)&&e._remove()}}function Bu(t,e,i){if(i.consumable.test(e.viewItem,{name:!0})){if(0===e.viewItem.childCount)return;const t=[...e.viewItem.getChildren()];let i=!1,n=!0;for(const e of t)i&&!$u(e)&&e._remove(),e.is("$text")?(n&&(e._data=e.data.replace(/^\s+/,"")),e.nextSibling&&!$u(e.nextSibling)||(e._data=e.data.replace(/\s+$/,""))):$u(e)&&(i=!0),n=!1}}function Du(t){return(e,i)=>{if(i.isPhantom)return;const n=i.modelPosition.nodeBefore;if(n&&n.is("element","listItem")){const e=i.mapper.toViewElement(n),o=e.getAncestors().find($u),s=t.createPositionAt(e,0).getWalker();for(const t of s){if("elementStart"==t.type&&t.item.is("element","li")){i.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==o){i.viewPosition=t.nextPosition;break}}}}}function Lu(t,[e,i]){let n,o=e.is("documentFragment")?e.getChild(0):e;if(n=i?this.createSelection(i):this.document.selection,o&&o.is("element","listItem")){const t=n.getFirstPosition();let e=null;if(t.parent.is("element","listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("element","listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;o&&o.is("element","listItem");)o._setAttribute("listIndent",o.getAttribute("listIndent")+t),o=o.nextSibling}}}function zu(t){const e=new Ys({startPosition:t});let i;do{i=e.next()}while(!i.value.item.is("element","listItem"));return i.value.item}function ju(t,e,i,n,o,s){const r=Tu(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=o.mapper,c=o.writer,l=r?r.getAttribute("listIndent"):null;let d;if(r)if(l==t){const t=a.toViewElement(r).parent;d=c.createPositionAfter(t)}else{const t=s.createPositionAt(r,"end");d=a.toViewPosition(t)}else d=i;d=Cu(d);for(const t of[...n.getChildren()])$u(t)&&(d=c.move(c.createRangeOn(t),d).end,Pu(c,t,t.nextSibling),Pu(c,t.previousSibling,t))}function $u(t){return t.is("element","ol")||t.is("element","ul")}class qu extends nd{static get pluginName(){return"ListEditing"}static get requires(){return[hd]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data,i=t.editing;var n;t.model.document.registerPostFixer((e=>function(t,e){const i=t.document.differ.getChanges(),n=new Map;let o=!1;for(const n of i)if("insert"==n.type&&"listItem"==n.name)s(n.position);else if("insert"==n.type&&"listItem"!=n.name){if("$text"!=n.name){const i=n.position.nodeAfter;i.hasAttribute("listIndent")&&(e.removeAttribute("listIndent",i),o=!0),i.hasAttribute("listType")&&(e.removeAttribute("listType",i),o=!0),i.hasAttribute("listStyle")&&(e.removeAttribute("listStyle",i),o=!0);for(const e of Array.from(t.createRangeIn(i)).filter((t=>t.item.is("element","listItem"))))s(e.previousPosition)}s(n.position.getShiftedBy(n.length))}else"remove"==n.type&&"listItem"==n.name?s(n.position):("attribute"==n.type&&"listIndent"==n.attributeKey||"attribute"==n.type&&"listType"==n.attributeKey)&&s(n.range.start);for(const t of n.values())r(t),a(t);return o;function s(t){const e=t.nodeBefore;if(e&&e.is("element","listItem")){let t=e;if(n.has(t))return;for(let e=t.previousSibling;e&&e.is("element","listItem");e=t.previousSibling)if(t=e,n.has(t))return;n.set(e,t)}else{const e=t.nodeAfter;e&&e.is("element","listItem")&&n.set(e,e)}}function r(t){let i=0,n=null;for(;t&&t.is("element","listItem");){const s=t.getAttribute("listIndent");if(s>i){let r;null===n?(n=s-i,r=i):(n>s&&(n=s),r=s-n),e.setAttribute("listIndent",r,t),o=!0}else n=null,i=t.getAttribute("listIndent")+1;t=t.nextSibling}}function a(t){let i=[],n=null;for(;t&&t.is("element","listItem");){const s=t.getAttribute("listIndent");if(n&&n.getAttribute("listIndent")>s&&(i=i.slice(0,s+1)),0!=s)if(i[s]){const n=i[s];t.getAttribute("listType")!=n&&(e.setAttribute("listType",n,t),o=!0)}else i[s]=t.getAttribute("listType");n=t,t=t.nextSibling}}}(t.model,e))),i.mapper.registerViewToModelLength("li",Wu),e.mapper.registerViewToModelLength("li",Wu),i.mapper.on("modelToViewPosition",Du(i.view)),i.mapper.on("viewToModelPosition",(n=t.model,(t,e)=>{const i=e.viewPosition,o=i.parent,s=e.mapper;if("ul"==o.name||"ol"==o.name){if(i.isAtEnd){const t=s.toModelElement(i.nodeBefore),o=s.getModelLength(i.nodeBefore);e.modelPosition=n.createPositionBefore(t).getShiftedBy(o)}else{const t=s.toModelElement(i.nodeAfter);e.modelPosition=n.createPositionBefore(t)}t.stop()}else if("li"==o.name&&i.nodeBefore&&("ul"==i.nodeBefore.name||"ol"==i.nodeBefore.name)){const r=s.toModelElement(o);let a=1,c=i.nodeBefore;for(;c&&$u(c);)a+=s.getModelLength(c),c=c.previousSibling;e.modelPosition=n.createPositionBefore(r).getShiftedBy(a),t.stop()}})),e.mapper.on("modelToViewPosition",Du(i.view)),t.conversion.for("editingDowncast").add((e=>{e.on("insert",Mu,{priority:"high"}),e.on("insert:listItem",Ou(t.model)),e.on("attribute:listType:listItem",Ru,{priority:"high"}),e.on("attribute:listType:listItem",Iu,{priority:"low"}),e.on("attribute:listIndent:listItem",function(t){return(e,i,n)=>{if(!n.consumable.consume(i.item,"attribute:listIndent"))return;const o=n.mapper.toViewElement(i.item),s=n.writer;s.breakContainer(s.createPositionBefore(o)),s.breakContainer(s.createPositionAfter(o));const r=o.parent,a=r.previousSibling,c=s.createRangeOn(r);s.remove(c),a&&a.nextSibling&&Pu(s,a,a.nextSibling),ju(i.attributeOldValue+1,i.range.start,c.start,o,n,t),Au(i.item,o,n,t);for(const t of i.item.getChildren())n.consumable.consume(t,"insert")}}(t.model)),e.on("remove:listItem",function(t){return(e,i,n)=>{const o=n.mapper.toViewPosition(i.position).getLastMatchingPosition((t=>!t.item.is("element","li"))).nodeAfter,s=n.writer;s.breakContainer(s.createPositionBefore(o)),s.breakContainer(s.createPositionAfter(o));const r=o.parent,a=r.previousSibling,c=s.createRangeOn(r),l=s.remove(c);a&&a.nextSibling&&Pu(s,a,a.nextSibling),ju(n.mapper.toModelElement(o).getAttribute("listIndent")+1,i.position,c.start,o,n,t);for(const t of s.createRangeIn(l).getItems())n.mapper.unbindViewElement(t);e.stop()}}(t.model)),e.on("remove",Nu,{priority:"low"})})),t.conversion.for("dataDowncast").add((e=>{e.on("insert",Mu,{priority:"high"}),e.on("insert:listItem",Ou(t.model))})),t.conversion.for("upcast").add((t=>{t.on("element:ul",Fu,{priority:"high"}),t.on("element:ol",Fu,{priority:"high"}),t.on("element:li",Bu,{priority:"high"}),t.on("element:li",Vu)})),t.model.on("insertContent",Lu,{priority:"high"}),t.commands.add("numberedList",new _u(t,"numbered")),t.commands.add("bulletedList",new _u(t,"bulleted")),t.commands.add("indentList",new xu(t,"forward")),t.commands.add("outdentList",new xu(t,"backward"));const o=i.view.document;this.listenTo(o,"enter",((t,e)=>{const i=this.editor.model.document,n=i.selection.getLastPosition().parent;i.selection.isCollapsed&&"listItem"==n.name&&n.isEmpty&&(this.editor.execute("outdentList"),e.preventDefault(),t.stop())})),this.listenTo(o,"delete",((t,e)=>{if("backward"!==e.direction)return;const i=this.editor.model.document.selection;if(!i.isCollapsed)return;const n=i.getFirstPosition();if(!n.isAtStart)return;const o=n.parent;"listItem"===o.name&&(o.previousSibling&&"listItem"===o.previousSibling.name||(this.editor.execute("outdentList"),e.preventDefault(),t.stop()))}),{priority:je.high+10});const s=t=>(e,i)=>{this.editor.commands.get(t).isEnabled&&(this.editor.execute(t),i())};t.keystrokes.set("Tab",s("indentList")),t.keystrokes.set("Shift+Tab",s("outdentList"))}afterInit(){const t=this.editor.commands,e=t.get("indent"),i=t.get("outdent");e&&e.registerChildCommand(t.get("indentList")),i&&i.registerChildCommand(t.get("outdentList"))}}function Wu(t){let e=1;for(const i of t.getChildren())if("ul"==i.name||"ol"==i.name)for(const t of i.getChildren())e+=Wu(t);return e}var Hu=i(8202),Uu=i(4834);class Ku extends nd{init(){const t=this.editor.t;Eu(this.editor,"numberedList",t("Numbered List"),Hu),Eu(this.editor,"bulletedList",t("Bulleted List"),Uu)}}class Gu extends nd{static get requires(){return[qu,Ku]}static get pluginName(){return"List"}}var Ju=i(5140);class Yu extends nd{static get pluginName(){return"CKFinderUI"}init(){const t=this.editor,e=t.ui.componentFactory,i=t.t;e.add("ckfinder",(e=>{const n=t.commands.get("ckfinder"),o=new Sl(e);return o.set({label:i("Insert image or file"),icon:Ju,tooltip:!0}),o.bind("isEnabled").to(n),o.on("execute",(()=>{t.execute("ckfinder"),t.editing.view.focus()})),o}))}}class Xu extends Ho{observe(t){this.listenTo(t,"load",((t,e)=>{const i=e.target;this.checkShouldIgnoreEventFromTarget(i)||"IMG"==i.tagName&&this._fireEvents(e)}),{useCapture:!0})}_fireEvents(t){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",t))}}class Zu{constructor(){this._stack=[]}add(t,e){const i=this._stack,n=i[0];this._insertDescriptor(t);const o=i[0];n===o||Qu(n,o)||this.fire("change:top",{oldDescriptor:n,newDescriptor:o,writer:e})}remove(t,e){const i=this._stack,n=i[0];this._removeDescriptor(t);const o=i[0];n===o||Qu(n,o)||this.fire("change:top",{oldDescriptor:n,newDescriptor:o,writer:e})}_insertDescriptor(t){const e=this._stack,i=e.findIndex((e=>e.id===t.id));if(Qu(t,e[i]))return;i>-1&&e.splice(i,1);let n=0;for(;e[n]&&(o=e[n],s=t,o.priority>s.priority||!(o.priority<s.priority)&&tf(o.classes)>tf(s.classes));)n++;var o,s;e.splice(n,0,t)}_removeDescriptor(t){const e=this._stack,i=e.findIndex((e=>e.id===t));i>-1&&e.splice(i,1)}}function Qu(t,e){return t&&e&&t.priority==e.priority&&tf(t.classes)==tf(e.classes)}function tf(t){return Array.isArray(t)?t.sort().join(","):t}si(Zu,Ye);var ef=i(2615);const nf="widget-type-around";function of(t,e,i){return t&&af(t)&&!i.isInline(e)}function sf(t){return t.getAttribute(nf)}const rf="ck-widget_selected";function af(t){return!!t.is("element")&&!!t.getCustomProperty("widget")}function cf(t,e,i={}){if(!t.is("containerElement"))throw new $e("widget-to-widget-wrong-element-type",null,{element:t});return e.setAttribute("contenteditable","false",t),e.addClass("ck-widget",t),e.setCustomProperty("widget",!0,t),t.getFillerOffset=uf,i.label&&function(t,e,i){i.setCustomProperty("widgetLabel",e,t)}(t,i.label,e),i.hasSelectionHandle&&function(t,e){const i=e.createUIElement("div",{class:"ck ck-widget__selection-handle"},(function(t){const e=this.toDomElement(t),i=new Tl;return i.set("content",ef),i.render(),e.appendChild(i.element),e}));e.insert(e.createPositionAt(t,0),i),e.addClass(["ck-widget_with-selection-handle"],t)}(t,e),function(t,e,i,n){const o=new Zu;o.on("change:top",((e,i)=>{i.oldDescriptor&&((t,e,i)=>{i.removeClass(ci(e.classes),t)})(t,i.oldDescriptor,i.writer),i.newDescriptor&&((t,e,i)=>{i.addClass(ci(e.classes),t)})(t,i.newDescriptor,i.writer)})),e.setCustomProperty("addHighlight",((t,e,i)=>o.add(e,i)),t),e.setCustomProperty("removeHighlight",((t,e,i)=>o.remove(e,i)),t)}(t,e),t}function lf(t){const e=t.getCustomProperty("widgetLabel");return e?"function"==typeof e?e():e:""}function df(t,e){const i=t.getSelectedElement();if(i){const n=sf(t);if(n)return e.createPositionAt(i,n);if(e.schema.isBlock(i))return e.createPositionAfter(i)}const n=t.getSelectedBlocks().next().value;if(n){if(n.isEmpty)return e.createPositionAt(n,0);const i=e.createPositionAfter(n);return t.focus.isTouching(i)?i:e.createPositionBefore(n)}return t.focus}function hf(t,e){const i=new Rs(Mo.window),n=i.getIntersection(t),o=e.height+Yl.arrowVerticalOffset;if(t.top-o>i.top||t.bottom+o<i.bottom)return null;const s=n||t,r=s.left+s.width/2-e.width/2;return{top:Math.max(t.top,0)+Yl.arrowVerticalOffset,left:r,name:"arrow_n"}}function uf(){return null}function ff(t){const e=t.getSelectedElement();return e&&function(t){return!!t.getCustomProperty("image")&&af(t)}(e)?e:null}function pf(t){return!!t&&t.is("element","image")}function gf(t,e={},i=null){t.change((n=>{const o=n.createElement("image",e),s=i||df(t.document.selection,t);t.insertContent(o,s),o.parent&&n.setSelection(o,"on")}))}function mf(t){const e=t.schema,i=t.document.selection;return function(t,e,i){const n=function(t,e){const i=df(t,e).parent;return i.isEmpty&&!i.is("element","$root")?i.parent:i}(t,i);return e.checkChild(n,"image")}(i,e,t)&&!function(t,e){const i=t.getSelectedElement();return i&&e.isObject(i)}(i,e)&&function(t){return[...t.focus.getAncestors()].every((t=>!t.is("element","image")))}(i)}function bf(t){const e=[];for(const i of t.getChildren())e.push(i),i.is("element")&&e.push(...i.getChildren());return e.find((t=>t.is("element","img")))}function wf(t){return i=>{i.on(`attribute:${t}:image`,e)};function e(t,e,i){if(!i.consumable.consume(e.item,t.name))return;const n=i.writer,o=bf(i.mapper.toViewElement(e.item));n.setAttribute(e.attributeKey,e.attributeNewValue||"",o)}}class kf extends sd{refresh(){this.isEnabled=mf(this.editor.model)}execute(t){const e=this.editor.model;for(const i of ci(t.source))gf(e,{src:i})}}class _f extends nd{static get pluginName(){return"ImageEditing"}init(){const t=this.editor,e=t.model.schema,i=t.t,n=t.conversion;t.editing.view.addObserver(Xu),e.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),n.for("dataDowncast").elementToElement({model:"image",view:(t,{writer:e})=>vf(e)}),n.for("editingDowncast").elementToElement({model:"image",view:(t,{writer:e})=>function(t,e,i){return e.setCustomProperty("image",!0,t),cf(t,e,{label:function(){const e=bf(t).getAttribute("alt");return e?`${e} ${i}`:i}})}(vf(e),e,i("image widget"))}),n.for("downcast").add(wf("src")).add(wf("alt")).add(function(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,i){if(!i.consumable.consume(e.item,t.name))return;const n=i.writer,o=bf(i.mapper.toViewElement(e.item));if(null===e.attributeNewValue){const t=e.attributeOldValue;t.data&&(n.removeAttribute("srcset",o),n.removeAttribute("sizes",o),t.width&&n.removeAttribute("width",o))}else{const t=e.attributeNewValue;t.data&&(n.setAttribute("srcset",t.data,o),n.setAttribute("sizes","100vw",o),t.width&&n.setAttribute("width",t.width,o))}}}()),n.for("upcast").elementToElement({view:{name:"img",attributes:{src:!0}},model:(t,{writer:e})=>e.createElement("image",{src:t.getAttribute("src")})}).attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:t=>{const e={data:t.getAttribute("srcset")};return t.hasAttribute("width")&&(e.width=t.getAttribute("width")),e}}}).add(function(){return e=>{e.on("element:figure",t)};function t(t,e,i){if(!i.consumable.test(e.viewItem,{name:!0,classes:"image"}))return;const n=bf(e.viewItem);if(!n||!n.hasAttribute("src")||!i.consumable.test(n,{name:!0}))return;const o=ad(i.convertItem(n,e.modelCursor).modelRange.getItems());o&&(i.convertChildren(e.viewItem,o),i.updateConversionResult(o,e))}}()),t.commands.add("imageInsert",new kf(t))}}function vf(t){const e=t.createEmptyElement("img"),i=t.createContainerElement("figure",{class:"image"});return t.insert(t.createPositionAt(i,0),e),i}class yf extends hs{constructor(t){super(t),this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}class xf extends nd{static get pluginName(){return"TwoStepCaretMovement"}constructor(t){super(t),this.attributes=new Set,this._overrideUid=null}init(){const t=this.editor,e=t.model,i=t.editing.view,n=t.locale,o=e.document.selection;this.listenTo(i.document,"keydown",((t,e)=>{if(!o.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const i=e.keyCode==Hn.arrowright,s=e.keyCode==Hn.arrowleft;if(!i&&!s)return;const r=n.contentLanguageDirection;let a=!1;a="ltr"===r&&i||"rtl"===r&&s?this._handleForwardMovement(e):this._handleBackwardMovement(e),!0===a&&t.stop()}),{priority:je.get("high")+1}),this._isNextGravityRestorationSkipped=!1,this.listenTo(o,"change:range",((t,e)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!e.directChange&&Tf(o.getFirstPosition(),this.attributes)||this._restoreGravity())}))}registerAttribute(t){this.attributes.add(t)}_handleForwardMovement(t){const e=this.attributes,i=this.editor.model.document.selection,n=i.getFirstPosition();return!this._isGravityOverridden&&(!n.isAtStart||!Af(i,e))&&(Tf(n,e)?(Cf(t),this._overrideGravity(),!0):void 0)}_handleBackwardMovement(t){const e=this.attributes,i=this.editor.model,n=i.document.selection,o=n.getFirstPosition();return this._isGravityOverridden?(Cf(t),this._restoreGravity(),Pf(i,e,o),!0):o.isAtStart?!!Af(n,e)&&(Cf(t),Pf(i,e,o),!0):function(t,e){return Tf(t.getShiftedBy(-1),e)}(o,e)?o.isAtEnd&&!Af(n,e)&&Tf(o,e)?(Cf(t),Pf(i,e,o),!0):(this._isNextGravityRestorationSkipped=!0,this._overrideGravity(),!1):void 0}get _isGravityOverridden(){return!!this._overrideUid}_overrideGravity(){this._overrideUid=this.editor.model.change((t=>t.overrideSelectionGravity()))}_restoreGravity(){this.editor.model.change((t=>{t.restoreSelectionGravity(this._overrideUid),this._overrideUid=null}))}}function Af(t,e){for(const i of e)if(t.hasAttribute(i))return!0;return!1}function Pf(t,e,i){const n=i.nodeBefore;t.change((t=>{n?t.setSelectionAttribute(n.getAttributes()):t.removeSelectionAttribute(e)}))}function Cf(t){t.preventDefault()}function Tf(t,e){const{nodeBefore:i,nodeAfter:n}=t;for(const t of e){const e=i?i.getAttribute(t):void 0;if((n?n.getAttribute(t):void 0)!==e)return!0}return!1}function Ef(t,e,i,n){return n.createRange(Sf(t,e,i,!0,n),Sf(t,e,i,!1,n))}function Sf(t,e,i,n,o){let s=t.textNode||(n?t.nodeBefore:t.nodeAfter),r=null;for(;s&&s.getAttribute(e)==i;)r=s,s=n?s.previousSibling:s.nextSibling;return r?o.createPositionAt(r,n?"before":"after"):t}class Of{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,i)=>{if(!i.consumable.test(e.item,"attribute:linkHref"))return;const n=i.writer,o=n.document.selection;for(const t of this._definitions){const s=n.createAttributeElement("a",t.attributes,{priority:5});n.setCustomProperty("link",!0,s),t.callback(e.attributeNewValue)?e.item.is("selection")?n.wrap(o.getFirstRange(),s):n.wrap(i.mapper.toViewRange(e.range),s):n.unwrap(i.mapper.toViewRange(e.range),s)}}),{priority:"high"})}}getDispatcherForLinkedImage(){return t=>{t.on("attribute:linkHref:image",((t,e,i)=>{const n=i.mapper.toViewElement(e.item),o=Array.from(n.getChildren()).find((t=>"a"===t.name));for(const t of this._definitions){const n=wi(t.attributes);if(t.callback(e.attributeNewValue))for(const[t,e]of n)"class"===t?i.writer.addClass(e,o):i.writer.setAttribute(t,e,o);else for(const[t,e]of n)"class"===t?i.writer.removeClass(e,o):i.writer.removeAttribute(t,o)}}))}}}var Rf=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");const If=function(t){return Rf.test(t)};var Mf="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",Nf="\\ud83c[\\udffb-\\udfff]",Vf="[^\\ud800-\\udfff]",Ff="(?:\\ud83c[\\udde6-\\uddff]){2}",Bf="[\\ud800-\\udbff][\\udc00-\\udfff]",Df="(?:"+Mf+"|"+Nf+")?",Lf="[\\ufe0e\\ufe0f]?",zf=Lf+Df+"(?:\\u200d(?:"+[Vf,Ff,Bf].join("|")+")"+Lf+Df+")*",jf="(?:"+[Vf+Mf+"?",Mf,Ff,Bf,"[\\ud800-\\udfff]"].join("|")+")",$f=RegExp(Nf+"(?="+Nf+")|"+jf+zf,"g");const qf=function(t){return If(t)?function(t){return t.match($f)||[]}(t):function(t){return t.split("")}(t)},Wf=function(t){t=Mi(t);var e,i,n,o,s=If(t)?qf(t):void 0,r=s?s[0]:t.charAt(0),a=s?(e=s,i=1,o=e.length,n=void 0===n?o:n,!i&&n>=o?e:Bi(e,i,n)).join(""):t.slice(1);return r.toUpperCase()+a},Hf=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,Uf=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i,Kf=/^[\S]+@((?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.))+(?:[a-z\u00a1-\uffff]{2,})$/i,Gf=/^((\w+:(\/{2,})?)|(\W))/i,Jf="Ctrl+K";function Yf(t,{writer:e}){const i=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty("link",!0,i),i}function Xf(t){return function(t){return t.replace(Hf,"").match(Uf)}(t=String(t))?t:"#"}function Zf(t,e){return!!t&&t.is("element","image")&&e.checkAttribute("image","linkHref")}function Qf(t,e){const i=(n=t,Kf.test(n)?"mailto:":e);var n;const o=!!i&&!Gf.test(t);return t&&o?i+t:t}class tp extends sd{constructor(t){super(t),this.manualDecorators=new ri,this.automaticDecorators=new Of}restoreManualDecoratorStates(){for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}refresh(){const t=this.editor.model,e=t.document,i=ad(e.selection.getSelectedBlocks());Zf(i,t.schema)?(this.value=i.getAttribute("linkHref"),this.isEnabled=t.schema.checkAttribute(i,"linkHref")):(this.value=e.selection.getAttribute("linkHref"),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref"));for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}execute(t,e={}){const i=this.editor.model,n=i.document.selection,o=[],s=[];for(const t in e)e[t]?o.push(t):s.push(t);i.change((e=>{if(n.isCollapsed){const r=n.getFirstPosition();if(n.hasAttribute("linkHref")){const a=Ef(r,"linkHref",n.getAttribute("linkHref"),i);e.setAttribute("linkHref",t,a),o.forEach((t=>{e.setAttribute(t,!0,a)})),s.forEach((t=>{e.removeAttribute(t,a)})),e.setSelection(e.createPositionAfter(a.end.nodeBefore))}else if(""!==t){const s=wi(n.getAttributes());s.set("linkHref",t),o.forEach((t=>{s.set(t,!0)}));const{end:a}=i.insertContent(e.createText(t,s),r);e.setSelection(a)}["linkHref",...o,...s].forEach((t=>{e.removeSelectionAttribute(t)}))}else{const r=i.schema.getValidRanges(n.getRanges(),"linkHref"),a=[];for(const t of n.getSelectedBlocks())i.schema.checkAttribute(t,"linkHref")&&a.push(e.createRangeOn(t));const c=a.slice();for(const t of r)this._isRangeToUpdate(t,a)&&c.push(t);for(const i of c)e.setAttribute("linkHref",t,i),o.forEach((t=>{e.setAttribute(t,!0,i)})),s.forEach((t=>{e.removeAttribute(t,i)}))}}))}_getDecoratorStateFromModel(t){const e=this.editor.model,i=e.document,n=ad(i.selection.getSelectedBlocks());return Zf(n,e.schema)?n.getAttribute(t):i.selection.getAttribute(t)}_isRangeToUpdate(t,e){for(const i of e)if(i.containsRange(t))return!1;return!0}}class ep extends sd{refresh(){const t=this.editor.model,e=t.document,i=ad(e.selection.getSelectedBlocks());Zf(i,t.schema)?this.isEnabled=t.schema.checkAttribute(i,"linkHref"):this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}execute(){const t=this.editor,e=this.editor.model,i=e.document.selection,n=t.commands.get("link");e.change((t=>{const o=i.isCollapsed?[Ef(i.getFirstPosition(),"linkHref",i.getAttribute("linkHref"),e)]:e.schema.getValidRanges(i.getRanges(),"linkHref");for(const e of o)if(t.removeAttribute("linkHref",e),n)for(const i of n.manualDecorators)t.removeAttribute(i.id,e)}))}}class ip{constructor({id:t,label:e,attributes:i,defaultValue:n}){this.id=t,this.set("value"),this.defaultValue=n,this.label=e,this.attributes=i}}si(ip,gn),i(848);const np="automatic",op=/^(https?:)?\/\//;class sp extends nd{static get pluginName(){return"LinkEditing"}static get requires(){return[xf,Xd,Pd]}constructor(t){super(t),t.config.define("link",{addTargetToExternalLinks:!1})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"linkHref"}),t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:Yf}),t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>Yf(Xf(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 tp(t)),t.commands.add("unlink",new ep(t));const e=function(t,e){const i={"Open in a new tab":t("Open in a new tab"),Downloadable:t("Downloadable")};return e.forEach((t=>(t.label&&i[t.label]&&(t.label=i[t.label]),t))),e}(t.t,function(t){const e=[];if(t)for(const[i,n]of Object.entries(t)){const t=Object.assign({},n,{id:`link${Wf(i)}`});e.push(t)}return e}(t.config.get("link.decorators")));this._enableAutomaticDecorators(e.filter((t=>t.mode===np))),this._enableManualDecorators(e.filter((t=>"manual"===t.mode))),t.plugins.get(xf).registerAttribute("linkHref"),function(t,e,i,n){const o=t.editing.view,s=new Set;o.document.registerPostFixer((i=>{const o=t.model.document.selection;let r=!1;if(o.hasAttribute(e)){const a=Ef(o.getFirstPosition(),e,o.getAttribute(e),t.model),c=t.editing.mapper.toViewRange(a);for(const t of c.getItems())t.is("element","a")&&!t.hasClass(n)&&(i.addClass(n,t),s.add(t),r=!0)}return r})),t.conversion.for("editingDowncast").add((t=>{function e(){o.change((t=>{for(const e of s.values())t.removeClass(n,e),s.delete(e)}))}t.on("insert",e,{priority:"highest"}),t.on("remove",e,{priority:"highest"}),t.on("attribute",e,{priority:"highest"}),t.on("selection",e,{priority:"highest"})}))}(t,"linkHref",0,"ck-link_selected"),this._enableInsertContentSelectionAttributesFixer(),this._enableClickingAfterLink(),this._enableTypingOverLink(),this._handleDeleteContentAfterLink()}_enableAutomaticDecorators(t){const e=this.editor,i=e.commands.get("link").automaticDecorators;e.config.get("link.addTargetToExternalLinks")&&i.add({id:"linkIsExternal",mode:np,callback:t=>op.test(t),attributes:{target:"_blank",rel:"noopener noreferrer"}}),i.add(t),i.length&&e.conversion.for("downcast").add(i.getDispatcher())}_enableManualDecorators(t){if(!t.length)return;const e=this.editor,i=e.commands.get("link").manualDecorators;t.forEach((t=>{e.model.schema.extend("$text",{allowAttributes:t.id}),i.add(new ip(t)),e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,{writer:n})=>{if(e){const e=i.get(t.id).attributes,o=n.createAttributeElement("a",e,{priority:5});return n.setCustomProperty("link",!0,o),o}}}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:i.get(t.id).attributes},model:{key:t.id}})}))}_enableInsertContentSelectionAttributesFixer(){const t=this.editor,e=t.model,i=e.document.selection,n=t.commands.get("link");this.listenTo(e,"insertContent",(()=>{const t=i.anchor.nodeBefore,o=i.anchor.nodeAfter;i.hasAttribute("linkHref")&&t&&t.hasAttribute("linkHref")&&(o&&o.hasAttribute("linkHref")||e.change((t=>{rp(t,n.manualDecorators)})))}),{priority:"low"})}_enableClickingAfterLink(){const t=this.editor,e=t.commands.get("link");t.editing.view.addObserver(yf);let i=!1;this.listenTo(t.editing.view.document,"mousedown",(()=>{i=!0})),this.listenTo(t.editing.view.document,"selectionChange",(()=>{if(!i)return;i=!1;const n=t.model.document.selection;if(!n.isCollapsed)return;if(!n.hasAttribute("linkHref"))return;const o=n.getFirstPosition(),s=Ef(o,"linkHref",n.getAttribute("linkHref"),t.model);(o.isTouching(s.start)||o.isTouching(s.end))&&t.model.change((t=>{rp(t,e.manualDecorators)}))}))}_enableTypingOverLink(){const t=this.editor,e=t.editing.view;let i,n;this.listenTo(e.document,"delete",(()=>{n=!0}),{priority:"high"}),this.listenTo(t.model,"deleteContent",(()=>{const e=t.model.document.selection;e.isCollapsed||(n?n=!1:ap(t)&&function(t){const e=t.document.selection,i=e.getFirstPosition(),n=e.getLastPosition(),o=i.nodeAfter;if(!o)return!1;if(!o.is("$text"))return!1;if(!o.hasAttribute("linkHref"))return!1;return o===(n.textNode||n.nodeBefore)||Ef(i,"linkHref",o.getAttribute("linkHref"),t).containsRange(t.createRange(i,n),!0)}(t.model)&&(i=e.getAttributes()))}),{priority:"high"}),this.listenTo(t.model,"insertContent",((e,[o])=>{n=!1,ap(t)&&i&&(t.model.change((t=>{for(const[e,n]of i)t.setAttribute(e,n,o)})),i=null)}),{priority:"high"})}_handleDeleteContentAfterLink(){const t=this.editor,e=t.model,i=e.document.selection,n=t.editing.view,o=t.commands.get("link");let s=!1,r=!1;this.listenTo(n.document,"delete",((t,e)=>{r=e.domEvent.keyCode===Hn.backspace}),{priority:"high"}),this.listenTo(e,"deleteContent",(()=>{s=!1;const t=i.getFirstPosition(),n=i.getAttribute("linkHref");if(!n)return;const o=Ef(t,"linkHref",n,e);s=o.containsPosition(t)||o.end.isEqual(t)}),{priority:"high"}),this.listenTo(e,"deleteContent",(()=>{r&&(r=!1,s||t.model.enqueueChange((t=>{rp(t,o.manualDecorators)})))}),{priority:"low"})}}function rp(t,e){t.removeSelectionAttribute("linkHref");for(const i of e)t.removeSelectionAttribute(i.id)}function ap(t){return t.plugins.get("Input").isInput(t.model.change((t=>t.batch)))}class cp{constructor(t){this.context=t}destroy(){this.stopListening()}static get isContextPlugin(){return!0}}si(cp,gn);class lp extends cp{static get pluginName(){return"Notification"}init(){this.on("show:warning",((t,e)=>{window.alert(e.message)}),{priority:"lowest"})}showSuccess(t,e={}){this._showNotification({message:t,type:"success",namespace:e.namespace,title:e.title})}showInfo(t,e={}){this._showNotification({message:t,type:"info",namespace:e.namespace,title:e.title})}showWarning(t,e={}){this._showNotification({message:t,type:"warning",namespace:e.namespace,title:e.title})}_showNotification(t){const e=`show:${t.type}`+(t.namespace?`:${t.namespace}`:"");this.fire(e,{message:t.message,type:t.type,title:t.title||""})}}class dp extends sd{constructor(t){super(t),this.stopListening(this.editor.model.document,"change"),this.listenTo(this.editor.model.document,"change",(()=>this.refresh()),{priority:"low"})}refresh(){const t=this.editor.commands.get("imageInsert"),e=this.editor.commands.get("link");this.isEnabled=t.isEnabled||e.isEnabled}execute(){const t=this.editor,e=this.editor.config.get("ckfinder.openerMethod")||"modal";if("popup"!=e&&"modal"!=e)throw new $e("ckfinder-unknown-openermethod",t);const i=this.editor.config.get("ckfinder.options")||{};i.chooseFiles=!0;const n=i.onInit;i.language||(i.language=t.locale.uiLanguage),i.onInit=e=>{n&&n(e),e.on("files:choose",(i=>{const n=i.data.files.toArray(),o=n.filter((t=>!t.isImage())),s=n.filter((t=>t.isImage()));for(const e of o)t.execute("link",e.getUrl());const r=[];for(const t of s){const i=t.getUrl();r.push(i||e.request("file:getProxyUrl",{file:t}))}r.length&&hp(t,r)})),e.on("file:choose:resizedImage",(e=>{const i=e.data.resizedUrl;if(i)hp(t,[i]);else{const e=t.plugins.get("Notification"),i=t.locale.t;e.showWarning(i("Could not obtain resized image URL."),{title:i("Selecting resized image failed"),namespace:"ckfinder"})}}))},window.CKFinder[e](i)}}function hp(t,e){if(t.commands.get("imageInsert").isEnabled)t.execute("imageInsert",{source:e});else{const e=t.plugins.get("Notification"),i=t.locale.t;e.showWarning(i("Could not insert image at the current position."),{title:i("Inserting image failed"),namespace:"ckfinder"})}}class up extends nd{static get pluginName(){return"CKFinderEditing"}static get requires(){return[lp,_f,sp]}init(){const t=this.editor;t.commands.add("ckfinder",new dp(t))}}class fp extends cp{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new ri({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(t){if("string"!=typeof t)throw new $e("pendingactions-add-invalid-message",this);const e=Object.create(gn);return e.set("message",t),this._actions.add(e),this.hasAny=!0,e}remove(t){this._actions.remove(t),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}class pp{constructor(){const t=new window.FileReader;this._reader=t,this._data=void 0,this.set("loaded",0),t.onprogress=t=>{this.loaded=t.loaded}}get error(){return this._reader.error}get data(){return this._data}read(t){const e=this._reader;return this.total=t.size,new Promise(((i,n)=>{e.onload=()=>{const t=e.result;this._data=t,i(t)},e.onerror=()=>{n("error")},e.onabort=()=>{n("aborted")},this._reader.readAsDataURL(t)}))}abort(){this._reader.abort()}}si(pp,gn);class gp extends nd{static get pluginName(){return"FileRepository"}static get requires(){return[fp]}init(){this.loaders=new ri,this.loaders.on("add",(()=>this._updatePendingAction())),this.loaders.on("remove",(()=>this._updatePendingAction())),this._loadersMap=new Map,this._pendingAction=null,this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",((t,e)=>e?t/e*100:0))}getLoader(t){return this._loadersMap.get(t)||null}createLoader(t){if(!this.createUploadAdapter)return qe("filerepository-no-upload-adapter"),null;const e=new mp(Promise.resolve(t),this.createUploadAdapter);return this.loaders.add(e),this._loadersMap.set(t,e),t instanceof Promise&&e.file.then((t=>{this._loadersMap.set(t,e)})).catch((()=>{})),e.on("change:uploaded",(()=>{let t=0;for(const e of this.loaders)t+=e.uploaded;this.uploaded=t})),e.on("change:uploadTotal",(()=>{let t=0;for(const e of this.loaders)e.uploadTotal&&(t+=e.uploadTotal);this.uploadTotal=t})),e}destroyLoader(t){const e=t instanceof mp?t:this.getLoader(t);e._destroy(),this.loaders.remove(e),this._loadersMap.forEach(((t,i)=>{t===e&&this._loadersMap.delete(i)}))}_updatePendingAction(){const t=this.editor.plugins.get(fp);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,i=t=>`${e("Upload in progress")} ${parseInt(t)}%.`;this._pendingAction=t.add(i(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",i)}}else t.remove(this._pendingAction),this._pendingAction=null}}si(gp,gn);class mp{constructor(t,e){this.id=ze(),this._filePromiseWrapper=this._createFilePromiseWrapper(t),this._adapter=e(this),this._reader=new pp,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",((t,e)=>e?t/e*100:0)),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then((t=>this._filePromiseWrapper?t:null)):Promise.resolve(null)}get data(){return this._reader.data}read(){if("idle"!=this.status)throw new $e("filerepository-read-wrong-status",this);return this.status="reading",this.file.then((t=>this._reader.read(t))).then((t=>{if("reading"!==this.status)throw this.status;return this.status="idle",t})).catch((t=>{if("aborted"===t)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:t}))}upload(){if("idle"!=this.status)throw new $e("filerepository-upload-wrong-status",this);return this.status="uploading",this.file.then((()=>this._adapter.upload())).then((t=>(this.uploadResponse=t,this.status="idle",t))).catch((t=>{if("aborted"===this.status)throw"aborted";throw this.status="error",t}))}abort(){const t=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==t?this._reader.abort():"uploading"==t&&this._adapter.abort&&this._adapter.abort():(this._filePromiseWrapper.promise.catch((()=>{})),this._filePromiseWrapper.rejecter("aborted")),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(t){const e={};return e.promise=new Promise(((i,n)=>{e.rejecter=n,e.isFulfilled=!1,t.then((t=>{e.isFulfilled=!0,i(t)})).catch((t=>{e.isFulfilled=!0,n(t)}))})),e}}si(mp,gn);const bp="ckCsrfToken",wp="abcdefghijklmnopqrstuvwxyz0123456789";class kp extends nd{static get requires(){return[gp]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");t&&(this.editor.plugins.get(gp).createUploadAdapter=e=>new _p(e,t,this.editor.t))}}class _p{constructor(t,e,i){this.loader=t,this.url=e,this.t=i}upload(){return this.loader.file.then((t=>new Promise(((e,i)=>{this._initRequest(),this._initListeners(e,i,t),this._sendRequest(t)}))))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.url,!0),t.responseType="json"}_initListeners(t,e,i){const n=this.xhr,o=this.loader,s=(0,this.t)("Cannot upload file:")+` ${i.name}.`;n.addEventListener("error",(()=>e(s))),n.addEventListener("abort",(()=>e())),n.addEventListener("load",(()=>{const i=n.response;if(!i||!i.uploaded)return e(i&&i.error&&i.error.message?i.error.message:s);t({default:i.url})})),n.upload&&n.upload.addEventListener("progress",(t=>{t.lengthComputable&&(o.uploadTotal=t.total,o.uploaded=t.loaded)}))}_sendRequest(t){const e=new FormData;e.append("upload",t),e.append("ckCsrfToken",function(){let t=function(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const i of e){const e=i.split("=");if(decodeURIComponent(e[0].trim().toLowerCase())===t)return decodeURIComponent(e[1])}return null}(bp);var e;return t&&40==t.length||(t=function(t){let e="";const i=new Uint8Array(40);window.crypto.getRandomValues(i);for(let t=0;t<i.length;t++){const n=wp.charAt(i[t]%wp.length);e+=Math.random()>.5?n.toUpperCase():n}return e}(),e=t,document.cookie=encodeURIComponent("ckCsrfToken")+"="+encodeURIComponent(e)+";path=/"),t}()),this.xhr.send(e)}}class vp extends nd{static get pluginName(){return"CKFinder"}static get requires(){return[up,Yu,kp]}}var yp=i(1262);i(6677);const xp=["before","after"],Ap=(new DOMParser).parseFromString(yp,"image/svg+xml").firstChild,Pp="ck-widget__type-around_disabled";class Cp extends nd{static get pluginName(){return"WidgetTypeAround"}constructor(t){super(t),this._currentFakeCaretModelElement=null}init(){const t=this.editor,e=t.editing.view;this.on("change:isEnabled",((i,n,o)=>{e.change((t=>{for(const i of e.document.roots)o?t.removeClass(Pp,i):t.addClass(Pp,i)})),o||t.model.change((t=>{t.removeSelectionAttribute(nf)}))})),this._enableTypeAroundUIInjection(),this._enableInsertingParagraphsOnButtonClick(),this._enableInsertingParagraphsOnEnterKeypress(),this._enableInsertingParagraphsOnTypingKeystroke(),this._enableTypeAroundFakeCaretActivationUsingKeyboardArrows(),this._enableDeleteIntegration(),this._enableInsertContentIntegration()}destroy(){this._currentFakeCaretModelElement=null}_insertParagraph(t,e){const i=this.editor,n=i.editing.view;i.execute("insertParagraph",{position:i.model.createPositionAt(t,e)}),n.focus(),n.scrollToTheSelection()}_listenToIfEnabled(t,e,i,n){this.listenTo(t,e,((...t)=>{this.isEnabled&&i(...t)}),n)}_insertParagraphAccordingToFakeCaretPosition(){const t=this.editor.model.document.selection,e=sf(t);if(!e)return!1;const i=t.getSelectedElement();return this._insertParagraph(i,e),!0}_enableTypeAroundUIInjection(){const t=this.editor,e=t.model.schema,i=t.locale.t,n={before:i("Insert paragraph before block"),after:i("Insert paragraph after block")};t.editing.downcastDispatcher.on("insert",((t,i,o)=>{const s=o.mapper.toViewElement(i.item);of(s,i.item,e)&&function(t,e,i){const n=t.createUIElement("div",{class:"ck ck-reset_all ck-widget__type-around"},(function(t){const i=this.toDomElement(t);return function(t,e){for(const i of xp){const n=new Dc({tag:"div",attributes:{class:["ck","ck-widget__type-around__button",`ck-widget__type-around__button_${i}`],title:e[i]},children:[t.ownerDocument.importNode(Ap,!0)]});t.appendChild(n.render())}}(i,e),function(t){const e=new Dc({tag:"div",attributes:{class:["ck","ck-widget__type-around__fake-caret"]}});t.appendChild(e.render())}(i),i}));t.insert(t.createPositionAt(i,"end"),n)}(o.writer,n,s)}),{priority:"low"})}_enableTypeAroundFakeCaretActivationUsingKeyboardArrows(){const t=this.editor,e=t.model,i=e.document.selection,n=e.schema,o=t.editing.view;function s(t){return`ck-widget_type-around_show-fake-caret_${t}`}this._listenToIfEnabled(o.document,"keydown",((t,e)=>{Jn(e.keyCode)&&this._handleArrowKeyPress(t,e)}),{priority:je.get("high")+10}),this._listenToIfEnabled(i,"change:range",((e,i)=>{i.directChange&&t.model.change((t=>{t.removeSelectionAttribute(nf)}))})),this._listenToIfEnabled(e.document,"change:data",(()=>{const e=i.getSelectedElement();e&&of(t.editing.mapper.toViewElement(e),e,n)||t.model.change((t=>{t.removeSelectionAttribute(nf)}))})),this._listenToIfEnabled(t.editing.downcastDispatcher,"selection",((t,e,i)=>{const o=i.writer;if(this._currentFakeCaretModelElement){const t=i.mapper.toViewElement(this._currentFakeCaretModelElement);t&&(o.removeClass(xp.map(s),t),this._currentFakeCaretModelElement=null)}const r=e.selection.getSelectedElement();if(!r)return;const a=i.mapper.toViewElement(r);if(!of(a,r,n))return;const c=sf(e.selection);c&&(o.addClass(s(c),a),this._currentFakeCaretModelElement=r)})),this._listenToIfEnabled(t.ui.focusTracker,"change:isFocused",((e,i,n)=>{n||t.model.change((t=>{t.removeSelectionAttribute(nf)}))}))}_handleArrowKeyPress(t,e){const i=this.editor,n=i.model,o=n.document.selection,s=n.schema,r=i.editing.view,a=Yn(e.keyCode,i.locale.contentLanguageDirection),c=r.document.selection.getSelectedElement();let l;of(c,i.editing.mapper.toModelElement(c),s)?l=this._handleArrowKeyPressOnSelectedWidget(a):o.isCollapsed&&(l=this._handleArrowKeyPressWhenSelectionNextToAWidget(a)),l&&(e.preventDefault(),t.stop())}_handleArrowKeyPressOnSelectedWidget(t){const e=this.editor.model,i=sf(e.document.selection);return e.change((e=>i?i!==(t?"after":"before")&&(e.removeSelectionAttribute(nf),!0):(e.setSelectionAttribute(nf,t?"after":"before"),!0)))}_handleArrowKeyPressWhenSelectionNextToAWidget(t){const e=this.editor,i=e.model,n=i.schema,o=e.plugins.get("Widget"),s=o._getObjectElementNextToSelection(t);return!!of(e.editing.mapper.toViewElement(s),s,n)&&(i.change((e=>{o._setSelectionOverElement(s),e.setSelectionAttribute(nf,t?"before":"after")})),!0)}_enableInsertingParagraphsOnButtonClick(){const t=this.editor,e=t.editing.view;this._listenToIfEnabled(e.document,"mousedown",((i,n)=>{const o=n.domTarget.closest(".ck-widget__type-around__button");if(!o)return;const s=o.classList.contains("ck-widget__type-around__button_before")?"before":"after",r=function(t,e){const i=t.closest(".ck-widget");return e.mapDomToView(i)}(o,e.domConverter),a=t.editing.mapper.toModelElement(r);this._insertParagraph(a,s),n.preventDefault(),i.stop()}))}_enableInsertingParagraphsOnEnterKeypress(){const t=this.editor,e=t.editing.view;this._listenToIfEnabled(e.document,"enter",((i,n)=>{const o=e.document.selection.getSelectedElement(),s=t.editing.mapper.toModelElement(o),r=t.model.schema;let a;this._insertParagraphAccordingToFakeCaretPosition()?a=!0:of(o,s,r)&&(this._insertParagraph(s,n.isSoft?"before":"after"),a=!0),a&&(n.preventDefault(),i.stop())}))}_enableInsertingParagraphsOnTypingKeystroke(){const t=this.editor.editing.view,e=[Hn.enter,Hn.delete,Hn.backspace];this._listenToIfEnabled(t.document,"keydown",((t,i)=>{e.includes(i.keyCode)||Hd(i)||this._insertParagraphAccordingToFakeCaretPosition()}),{priority:je.get("high")+1})}_enableDeleteIntegration(){const t=this.editor,e=t.editing.view,i=t.model,n=i.schema;this._listenToIfEnabled(e.document,"delete",((e,o)=>{const s=sf(i.document.selection);if(!s)return;const r=o.direction,a=i.document.selection.getSelectedElement(),c="forward"==r;if("before"===s===c)t.execute("delete",{selection:i.createSelection(a,"on")});else{const e=n.getNearestSelectionRange(i.createPositionAt(a,s),r);if(e)if(e.isCollapsed){const o=i.createSelection(e.start);if(i.modifySelection(o,{direction:r}),o.focus.isEqual(e.start)){const t=function(t,e){let i=e;for(const n of e.getAncestors({parentFirst:!0})){if(n.childCount>1||t.isLimit(n))break;i=n}return i}(n,e.start.parent);i.deleteContent(i.createSelection(t,"on"),{doNotAutoparagraph:!0})}else i.change((i=>{i.setSelection(e),t.execute(c?"forwardDelete":"delete")}))}else i.change((i=>{i.setSelection(e),t.execute(c?"forwardDelete":"delete")}))}o.preventDefault(),e.stop()}),{priority:je.get("high")+1})}_enableInsertContentIntegration(){const t=this.editor,e=this.editor.model,i=e.document.selection;this._listenToIfEnabled(t.model,"insertContent",((t,[n,o])=>{if(o&&!o.is("documentSelection"))return;const s=sf(i);return s?(t.stop(),e.change((t=>{const o=i.getSelectedElement(),r=e.createPositionAt(o,s),a=t.createSelection(r),c=e.insertContent(n,a);return t.setSelection(a),c}))):void 0}),{priority:"high"})}}function Tp(t,e,i){const n=t.schema,o=t.createRangeIn(e.root),s="forward"==i?"elementStart":"elementEnd";for(const{previousPosition:t,item:r,type:a}of o.getWalker({startPosition:e,direction:i})){if(n.isLimit(r)&&!n.isInline(r))return t;if(a==s&&n.isBlock(r))return null}return null}function Ep(t,e,i){const n="backward"==i?e.end:e.start;if(t.checkChild(n,"$text"))return n;for(const{nextPosition:n}of e.getWalker({direction:i}))if(t.checkChild(n,"$text"))return n}i(6811);class Sp extends nd{static get pluginName(){return"Widget"}static get requires(){return[Cp]}init(){const t=this.editor.editing.view,e=t.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",((t,e,i)=>{this._clearPreviouslySelectedWidgets(i.writer);const n=i.writer,o=n.document.selection,s=o.getSelectedElement();let r=null;for(const t of o.getRanges())for(const e of t){const t=e.item;af(t)&&(a=t,!(c=r)||!Array.from(a.getAncestors()).includes(c))&&(n.addClass(rf,t),this._previouslySelected.add(t),r=t,t==s&&n.setSelection(o.getRanges(),{fake:!0,label:lf(s)}))}var a,c}),{priority:"low"}),t.addObserver(yf),this.listenTo(e,"mousedown",((...t)=>this._onMousedown(...t))),this.listenTo(e,"keydown",((...t)=>{this._handleSelectionChangeOnArrowKeyPress(...t)}),{priority:"high"}),this.listenTo(e,"keydown",((...t)=>{this._preventDefaultOnArrowKeyPress(...t)}),{priority:je.get("high")-20}),this.listenTo(e,"keydown",function(t){const e=t.model;return(i,n)=>{const o=n.keyCode==Hn.arrowup,s=n.keyCode==Hn.arrowdown,r=n.shiftKey,a=e.document.selection;if(!o&&!s)return;const c=s;if(r&&function(t,e){return!t.isCollapsed&&t.isBackward==e}(a,c))return;const l=function(t,e,i){const n=t.model;if(i){const t=e.isCollapsed?e.focus:e.getLastPosition(),i=Tp(n,t,"forward");if(!i)return null;const o=n.createRange(t,i),s=Ep(n.schema,o,"backward");return s&&t.isBefore(s)?n.createRange(t,s):null}{const t=e.isCollapsed?e.focus:e.getFirstPosition(),i=Tp(n,t,"backward");if(!i)return null;const o=n.createRange(i,t),s=Ep(n.schema,o,"forward");return s&&t.isAfter(s)?n.createRange(s,t):null}}(t,a,c);l&&!l.isCollapsed&&function(t,e,i){const n=t.model,o=t.view.domConverter;if(i){const t=n.createSelection(e.start);n.modifySelection(t),t.focus.isAtEnd||e.start.isEqual(t.focus)||(e=n.createRange(t.focus,e.end))}const s=t.mapper.toViewRange(e),r=o.viewRangeToDom(s),a=Rs.getDomRangeRects(r);let c;for(const t of a)if(void 0!==c){if(Math.round(t.top)>=c)return!1;c=Math.max(c,Math.round(t.bottom))}else c=Math.round(t.bottom);return!0}(t,l,c)&&(e.change((t=>{const i=c?l.end:l.start;if(r){const n=e.createSelection(a.anchor);n.setFocus(i),t.setSelection(n)}else t.setSelection(i)})),i.stop(),n.preventDefault(),n.stopPropagation())}}(this.editor.editing)),this.listenTo(e,"delete",((t,e)=>{this._handleDelete("forward"==e.direction)&&(e.preventDefault(),t.stop())}),{priority:"high"})}_onMousedown(t,e){const i=this.editor,n=i.editing.view,o=n.document;let s=e.target;if(function(t){for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(af(t))return!1;t=t.parent}return!1}(s)){if((zn||Ln)&&e.domEvent.detail>=3){const t=i.editing.mapper,n=s.is("attributeElement")?s.findAncestor((t=>!t.is("attributeElement"))):s,o=t.toModelElement(n);e.preventDefault(),this.editor.model.change((t=>{t.setSelection(o,"in")}))}return}if(!af(s)&&(s=s.findAncestor(af),!s))return;e.preventDefault(),o.isFocused||n.focus();const r=i.editing.mapper.toModelElement(s);this._setSelectionOverElement(r)}_handleSelectionChangeOnArrowKeyPress(t,e){const i=e.keyCode;if(!Jn(i))return;const n=this.editor.model,o=n.schema,s=n.document.selection,r=s.getSelectedElement(),a=Yn(i,this.editor.locale.contentLanguageDirection);if(r&&o.isObject(r)){const i=a?s.getLastPosition():s.getFirstPosition(),r=o.getNearestSelectionRange(i,a?"forward":"backward");return void(r&&(n.change((t=>{t.setSelection(r)})),e.preventDefault(),t.stop()))}if(!s.isCollapsed)return;const c=this._getObjectElementNextToSelection(a);c&&o.isObject(c)&&(this._setSelectionOverElement(c),e.preventDefault(),t.stop())}_preventDefaultOnArrowKeyPress(t,e){if(!Jn(e.keyCode))return;const i=this.editor.model,n=i.schema,o=i.document.selection.getSelectedElement();o&&n.isObject(o)&&(e.preventDefault(),t.stop())}_handleDelete(t){if(this.editor.isReadOnly)return;const e=this.editor.model.document.selection;if(!e.isCollapsed)return;const i=this._getObjectElementNextToSelection(t);return i?(this.editor.model.change((t=>{let n=e.anchor.parent;for(;n.isEmpty;){const e=n;n=e.parent,t.remove(e)}this._setSelectionOverElement(i)})),!0):void 0}_setSelectionOverElement(t){this.editor.model.change((e=>{e.setSelection(e.createRangeOn(t))}))}_getObjectElementNextToSelection(t){const e=this.editor.model,i=e.schema,n=e.document.selection,o=e.createSelection(n);e.modifySelection(o,{direction:t?"forward":"backward"});const s=t?o.focus.nodeBefore:o.focus.nodeAfter;return s&&i.isObject(s)?s:null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected)t.removeClass(rf,e);this._previouslySelected.clear()}}class Op extends sd{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=pf(t),pf(t)&&t.hasAttribute("alt")?this.value=t.getAttribute("alt"):this.value=!1}execute(t){const e=this.editor.model,i=e.document.selection.getSelectedElement();e.change((e=>{e.setAttribute("alt",t.newValue,i)}))}}class Rp extends nd{static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new Op(this.editor))}}i(5990);class Ip extends ol{constructor(t,e){super(t);const i=`ck-labeled-field-view-${ze()}`,n=`ck-labeled-field-view-status-${ze()}`;this.fieldView=e(this,i,n),this.set("label"),this.set("isEnabled",!0),this.set("isEmpty",!0),this.set("isFocused",!1),this.set("errorText",null),this.set("infoText",null),this.set("class"),this.set("placeholder"),this.labelView=this._createLabelView(i),this.statusView=this._createStatusView(n),this.bind("_statusText").to(this,"errorText",this,"infoText",((t,e)=>t||e));const o=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view",o.to("class"),o.if("isEnabled","ck-disabled",(t=>!t)),o.if("isEmpty","ck-labeled-field-view_empty"),o.if("isFocused","ck-labeled-field-view_focused"),o.if("placeholder","ck-labeled-field-view_placeholder"),o.if("errorText","ck-error")]},children:[{tag:"div",attributes:{class:["ck","ck-labeled-field-view__input-wrapper"]},children:[this.fieldView,this.labelView]},this.statusView]})}_createLabelView(t){const e=new cl(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createStatusView(t){const e=new ol(this.locale),i=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view__status",i.if("errorText","ck-labeled-field-view__status_error"),i.if("_statusText","ck-hidden",(t=>!t))],id:t,role:i.if("errorText","alert")},children:[{text:i.to("_statusText")}]}),e}focus(){this.fieldView.focus()}}i(7164);class Mp extends ol{constructor(t){super(t),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById"),this.focusTracker=new Tc,this.bind("isFocused").to(this.focusTracker),this.set("isEmpty",!0);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",e.if("isFocused","ck-input_focused"),e.if("isEmpty","ck-input-text_empty"),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"),change:e.to(this._updateIsEmpty.bind(this))}})}render(){super.render(),this.focusTracker.add(this.element),this._setDomElementValue(this.value),this._updateIsEmpty(),this.on("change:value",((t,e,i)=>{this._setDomElementValue(i),this._updateIsEmpty()}))}select(){this.element.select()}focus(){this.element.focus()}_updateIsEmpty(){this.isEmpty=!this.element.value}_setDomElementValue(t){this.element.value=t||0===t?t:""}}function Np(t,e,i){const n=new Mp(t.locale);return n.set({id:e,ariaDescribedById:i}),n.bind("isReadOnly").to(t,"isEnabled",(t=>!t)),n.bind("hasError").to(t,"errorText",(t=>!!t)),n.on("input",(()=>{t.errorText=null})),t.bind("isEmpty","isFocused","placeholder").to(n),n}function Vp(t){t.set("_isCssTransitionsDisabled",!1),t.disableCssTransitions=()=>{t._isCssTransitionsDisabled=!0},t.enableCssTransitions=()=>{t._isCssTransitionsDisabled=!1},t.extendTemplate({attributes:{class:[t.bindTemplate.if("_isCssTransitionsDisabled","ck-transitions-disabled")]}})}function Fp({view:t}){t.listenTo(t.element,"submit",((e,i)=>{i.preventDefault(),t.fire("submit")}),{useCapture:!0})}var Bp=i(9010),Dp=i(8309);i(4852),i(3537);class Lp extends ol{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new Tc,this.keystrokes=new wc,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(e("Save"),Bp,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("Cancel"),Dp,"ck-button-cancel","cancel"),this._focusables=new Bc,this._focusCycler=new gl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form","ck-responsive-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]}),Vp(this)}render(){super.render(),this.keystrokes.listenTo(this.element),Fp({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach((t=>{this._focusables.add(t),this.focusTracker.add(t.element)}))}_createButton(t,e,i,n){const o=new Sl(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:i}}),n&&o.delegate("execute").to(this,n),o}_createLabeledInputView(){const t=this.locale.t,e=new Ip(this.locale,Np);return e.label=t("Text alternative"),e}}var zp=i(7202),jp=i(9523);i(5916),i(3978);const $p=ul("px");class qp extends nd{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 Yl(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 $e("contextualballoon-add-view-exist",[this,t]);const e=t.stackId||"main";if(!this._idToStack.has(e))return this._idToStack.set(e,new Map([[t.view,t]])),this._viewToStack.set(t.view,this._idToStack.get(e)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!t.singleViewMode||this.showStack(e));const i=this._idToStack.get(e);t.singleViewMode&&this.showStack(e),i.set(t.view,t),this._viewToStack.set(t.view,i),i===this._visibleStack&&this._showView(t)}remove(t){if(!this.hasView(t))throw new $e("contextualballoon-remove-view-not-exist",[this,t]);const e=this._viewToStack.get(t);this._singleViewMode&&this.visibleView===t&&(this._singleViewMode=!1),this.visibleView===t&&(1===e.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(e.values())[e.size-2])),1===e.size?(this._idToStack.delete(this._getStackId(e)),this._numberOfStacks=this._idToStack.size):e.delete(t),this._viewToStack.delete(t)}updatePosition(t){t&&(this._visibleStack.get(this.visibleView).position=t),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(t){this.visibleStack=t;const e=this._idToStack.get(t);if(!e)throw new $e("contextualballoon-showstack-stack-not-exist",this);this._visibleStack!==e&&this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){return Array.from(this._idToStack.entries()).find((e=>e[1]===t))[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;t[e]||(e=0),this.showStack(this._getStackId(t[e]))}_showPrevStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)-1;t[e]||(e=t.length-1),this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new Wp(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,i)=>{if(i<2)return"";const n=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("%0 of %1",[n,i])})),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 Hp(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:i=!0,singleViewMode:n=!1}){this.view.class=e,this.view.withArrow=i,this._rotatorView.showView(t),this.visibleView=t,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),n&&(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 Wp extends ol{constructor(t){super(t);const e=t.t,i=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new Tc,this.buttonPrevView=this._createButtonView(e("Previous"),zp),this.buttonNextView=this._createButtonView(e("Next"),jp),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",i.to("isNavigationVisible",(t=>t?"":"ck-hidden"))]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:i.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 i=new Sl(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i}}class Hp extends ol{constructor(t,e){super(t);const i=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",i.to("numberOfPanels",(t=>t?"":"ck-hidden"))],style:{top:i.to("top",$p),left:i.to("left",$p),width:i.to("width",$p),height:i.to("height",$p)}},children:this.content}),this.on("change:numberOfPanels",((t,e,i,n)=>{i>n?this._addPanels(i-n):this._removePanels(n-i),this.updatePosition()}))}_addPanels(t){for(;t--;){const t=new ol;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:i,height:n}=new Rs(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:i,height:n})}}}var Up=i(758);function Kp(t){const e=t.editing.view,i=Yl.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast]}}class Gp extends nd{static get requires(){return[qp]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton(),this._createForm()}destroy(){super.destroy(),this._form.destroy()}_createButton(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageTextAlternative",(i=>{const n=t.commands.get("imageTextAlternative"),o=new Sl(i);return o.set({label:e("Change image text alternative"),icon:Up,tooltip:!0}),o.bind("isEnabled").to(n,"isEnabled"),this.listenTo(o,"execute",(()=>{this._showForm()})),o}))}_createForm(){const t=this.editor,e=t.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new Lp(t.locale),this._form.render(),this.listenTo(this._form,"submit",(()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.fieldView.element.value}),this._hideForm(!0)})),this.listenTo(this._form,"cancel",(()=>{this._hideForm(!0)})),this._form.keystrokes.set("Esc",((t,e)=>{this._hideForm(!0),e()})),this.listenTo(t.ui,"update",(()=>{ff(e.selection)?this._isVisible&&function(t){const e=t.plugins.get("ContextualBalloon");if(ff(t.editing.view.document.selection)){const i=Kp(t);e.updatePosition(i)}}(t):this._hideForm(!0)})),Fl({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const t=this.editor,e=t.commands.get("imageTextAlternative"),i=this._form.labeledInput;this._form.disableCssTransitions(),this._isInBalloon||this._balloon.add({view:this._form,position:Kp(t)}),i.fieldView.value=i.fieldView.element.value=e.value||"",this._form.labeledInput.fieldView.select(),this._form.enableCssTransitions()}_hideForm(t){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),t&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}class Jp extends nd{static get requires(){return[Rp,Gp]}static get pluginName(){return"ImageTextAlternative"}}i(1124);class Yp extends nd{static get requires(){return[_f,Sp,Jp]}static get pluginName(){return"Image"}}class Xp extends nd{static get requires(){return[qp]}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||!af(e))})(t.editing.view.document.selection)&&e.stop()}),{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),this.on("change:isEnabled",(()=>{this._updateToolbarsVisibility()})),this.listenTo(t.ui,"update",(()=>{this._updateToolbarsVisibility()})),this.listenTo(t.ui.focusTracker,"change:isFocused",(()=>{this._updateToolbarsVisibility()}),{priority:"low"})}destroy(){super.destroy();for(const t of this._toolbarDefinitions.values())t.view.destroy()}register(t,{ariaLabel:e,items:i,getRelatedElement:n,balloonClassName:o="ck-toolbar-container"}){if(!i.length)return void qe("widget-toolbar-no-items",{toolbarId:t});const s=this.editor,r=s.t,a=new zl(s.locale);if(a.ariaLabel=e||r("Widget toolbar"),this._toolbarDefinitions.has(t))throw new $e("widget-toolbar-duplicated",this,{toolbarId:t});a.fillFromConfig(i,s.ui.componentFactory),this._toolbarDefinitions.set(t,{view:a,getRelatedElement:n,balloonClassName:o})}_updateToolbarsVisibility(){let t=0,e=null,i=null;for(const n of this._toolbarDefinitions.values()){const o=n.getRelatedElement(this.editor.editing.view.document.selection);if(this.isEnabled&&o)if(this.editor.ui.focusTracker.isFocused){const s=o.getAncestors().length;s>t&&(t=s,e=o,i=n)}else this._isToolbarVisible(n)&&this._hideToolbar(n);else this._isToolbarInBalloon(n)&&this._hideToolbar(n)}i&&this._showToolbar(i,e)}_hideToolbar(t){this._balloon.remove(t.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(t,e){this._isToolbarVisible(t)?Zp(this.editor,e):this._isToolbarInBalloon(t)||(this._balloon.add({view:t.view,position:Qp(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);Zp(this.editor,e)}})))}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function Zp(t,e){const i=t.plugins.get("ContextualBalloon"),n=Qp(t,e);i.updatePosition(n)}function Qp(t,e){const i=t.editing.view,n=Yl.defaultPositions;return{target:i.domConverter.mapViewToDom(e),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast,hf]}}class tg extends nd{static get requires(){return[Xp]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor,e=t.t;t.plugins.get(Xp).register("image",{ariaLabel:e("Image toolbar"),items:t.config.get("image.toolbar")||[],getRelatedElement:ff})}}function eg(t){for(const e of t.getChildren())if(e&&e.is("element","caption"))return e;return null}function ig(t){const e=t.parent;return"figcaption"==t.name&&e&&"figure"==e.name&&e.hasClass("image")?{name:!0}:null}class ng extends nd{static get pluginName(){return"ImageCaptionEditing"}init(){const t=this.editor,e=t.editing.view,i=t.model.schema,n=t.data,o=t.editing,s=t.t;i.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:!0}),t.model.document.registerPostFixer((t=>this._insertMissingModelCaptionElement(t))),t.conversion.for("upcast").elementToElement({view:ig,model:"caption"}),n.downcastDispatcher.on("insert:caption",og((t=>t.createContainerElement("figcaption")),!1));const r=function(t,e){return i=>{const n=i.createEditableElement("figcaption");return i.setCustomProperty("imageCaption",!0,n),Ic({view:t,element:n,text:e}),function(t,e){return e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t),t.on("change:isReadOnly",((i,n,o)=>{e.setAttribute("contenteditable",o?"false":"true",t)})),t.on("change:isFocused",((i,n,o)=>{o?e.addClass("ck-editor__nested-editable_focused",t):e.removeClass("ck-editor__nested-editable_focused",t)})),t}(n,i)}}(e,s("Enter image caption"));o.downcastDispatcher.on("insert:caption",og(r)),o.downcastDispatcher.on("insert",this._fixCaptionVisibility((t=>t.item)),{priority:"high"}),o.downcastDispatcher.on("remove",this._fixCaptionVisibility((t=>t.position.parent)),{priority:"high"}),e.document.registerPostFixer((t=>this._updateCaptionVisibility(t)))}_updateCaptionVisibility(t){const e=this.editor.editing.mapper,i=this._lastSelectedCaption;let n;const o=this.editor.model.document.selection,s=o.getSelectedElement();if(s&&s.is("element","image")){const t=eg(s);n=e.toViewElement(t)}const r=sg(o.getFirstPosition().parent);if(r&&(n=e.toViewElement(r)),n&&!this.editor.isReadOnly)return i?(i===n||(rg(i,t),this._lastSelectedCaption=n),ag(n,t)):(this._lastSelectedCaption=n,ag(n,t));if(i){const e=rg(i,t);return this._lastSelectedCaption=null,e}return!1}_fixCaptionVisibility(t){return(e,i,n)=>{const o=sg(t(i)),s=this.editor.editing.mapper,r=n.writer;if(o){const t=s.toViewElement(o);t&&(o.childCount?r.removeClass("ck-hidden",t):r.addClass("ck-hidden",t))}}}_insertMissingModelCaptionElement(t){const e=this.editor.model,i=e.document.differ.getChanges(),n=[];for(const t of i)if("insert"==t.type&&"$text"!=t.name){const i=t.position.nodeAfter;if(i.is("element","image")&&!eg(i)&&n.push(i),!i.is("element","image")&&i.childCount)for(const t of e.createRangeIn(i).getItems())t.is("element","image")&&!eg(t)&&n.push(t)}for(const e of n)t.appendElement("caption",e);return!!n.length}}function og(t,e=!0){return(i,n,o)=>{const s=n.item;if((s.childCount||e)&&pf(s.parent)){if(!o.consumable.consume(n.item,"insert"))return;const e=o.mapper.toViewElement(n.range.start.parent),i=t(o.writer),r=o.writer;s.childCount||r.addClass("ck-hidden",i),function(t,e,i,n){const o=n.writer.createPositionAt(i,"end");n.writer.insert(o,t),n.mapper.bindElements(e,t)}(i,n.item,e,o)}}}function sg(t){const e=t.getAncestors({includeSelf:!0}).find((t=>"caption"==t.name));return e&&e.parent&&"image"==e.parent.name?e:null}function rg(t,e){return!t.childCount&&!t.hasClass("ck-hidden")&&(e.addClass("ck-hidden",t),!0)}function ag(t,e){return!!t.hasClass("ck-hidden")&&(e.removeClass("ck-hidden",t),!0)}i(9426);class cg extends nd{static get requires(){return[ng]}static get pluginName(){return"ImageCaption"}}class lg extends sd{constructor(t,e){super(t),this.defaultStyle=!1,this.styles=e.reduce(((t,e)=>(t[e.name]=e,e.isDefault&&(this.defaultStyle=e.name),t)),{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();if(this.isEnabled=pf(t),t)if(t.hasAttribute("imageStyle")){const e=t.getAttribute("imageStyle");this.value=!!this.styles[e]&&e}else this.value=this.defaultStyle;else this.value=!1}execute(t){const e=t.value,i=this.editor.model,n=i.document.selection.getSelectedElement();i.change((t=>{this.styles[e].isDefault?t.removeAttribute("imageStyle",n):t.setAttribute("imageStyle",e,n)}))}}function dg(t,e){for(const i of e)if(i.name===t)return i}var hg=i(3644),ug=i(3995),fg=i(4835),pg=i(9293);const gg={full:{name:"full",title:"Full size image",icon:hg,isDefault:!0},side:{name:"side",title:"Side image",icon:pg,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:ug,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:fg,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:pg,className:"image-style-align-right"}},mg={full:hg,left:ug,right:pg,center:fg};function bg(t=[]){return t.map(wg)}function wg(t){if("string"==typeof t){const e=t;gg[e]?t=Object.assign({},gg[e]):(qe("image-style-not-found",{name:e}),t={name:e})}else if(gg[t.name]){const e=gg[t.name],i=Object.assign({},t);for(const n in e)Object.prototype.hasOwnProperty.call(t,n)||(i[n]=e[n]);t=i}return"string"==typeof t.icon&&mg[t.icon]&&(t.icon=mg[t.icon]),t}class kg extends nd{static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor,e=t.model.schema,i=t.data,n=t.editing;t.config.define("image.styles",["full","side"]);const o=bg(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const s=function(t){return(e,i,n)=>{if(!n.consumable.consume(i.item,e.name))return;const o=dg(i.attributeNewValue,t),s=dg(i.attributeOldValue,t),r=n.mapper.toViewElement(i.item),a=n.writer;s&&a.removeClass(s.className,r),o&&a.addClass(o.className,r)}}(o);n.downcastDispatcher.on("attribute:imageStyle:image",s),i.downcastDispatcher.on("attribute:imageStyle:image",s),i.upcastDispatcher.on("element:figure",function(t){const e=t.filter((t=>!t.isDefault));return(t,i,n)=>{if(!i.modelRange)return;const o=i.viewItem,s=ad(i.modelRange.getItems());if(!s||n.schema.checkAttribute(s,"imageStyle"))for(const t of e)n.consumable.consume(o,{classes:t.className})&&n.writer.setAttribute("imageStyle",t.name,s)}}(o),{priority:"low"}),t.commands.add("imageStyle",new lg(t,o))}}i(4364);class _g extends nd{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("Full size image"),"Side image":t("Side image"),"Left aligned image":t("Left aligned image"),"Centered image":t("Centered image"),"Right aligned image":t("Right aligned image")}}init(){const t=function(t,e){for(const i of t)e[i.title]&&(i.title=e[i.title]);return t}(bg(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const e of t)this._createButton(e)}_createButton(t){const e=this.editor,i=`imageStyle:${t.name}`;e.ui.componentFactory.add(i,(i=>{const n=e.commands.get("imageStyle"),o=new Sl(i);return o.set({label:t.title,icon:t.icon,tooltip:!0,isToggleable:!0}),o.bind("isEnabled").to(n,"isEnabled"),o.bind("isOn").to(n,"value",(e=>e===t.name)),this.listenTo(o,"execute",(()=>{e.execute("imageStyle",{value:t.name}),e.editing.view.focus()})),o}))}}class vg extends nd{static get requires(){return[kg,_g]}static get pluginName(){return"ImageStyle"}}class yg extends ol{constructor(t){super(t),this.buttonView=new Sl(t),this._fileInputView=new xg(t),this._fileInputView.bind("acceptedType").to(this),this._fileInputView.bind("allowMultipleFiles").to(this),this._fileInputView.delegate("done").to(this),this.setTemplate({tag:"span",attributes:{class:"ck-file-dialog-button"},children:[this.buttonView,this._fileInputView]}),this.buttonView.on("execute",(()=>{this._fileInputView.open()}))}focus(){this.buttonView.focus()}}class xg extends ol{constructor(t){super(t),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:e.to("acceptedType"),multiple:e.to("allowMultipleFiles")},on:{change:e.to((()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""}))}})}open(){this.element.click()}}function Ag(t){const e=t.map((t=>t.replace("+","\\+")));return new RegExp(`^image\\/(${e.join("|")})$`)}function Pg(t,e){return t.type?t.type:e.match(/data:(image\/\w+);base64/)?e.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}var Cg=i(9532);class Tg extends nd{static get pluginName(){return"ImageUploadUI"}init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageUpload",(i=>{const n=new yg(i),o=t.commands.get("imageUpload"),s=t.config.get("image.upload.types"),r=Ag(s);return n.set({acceptedType:s.map((t=>`image/${t}`)).join(","),allowMultipleFiles:!0}),n.buttonView.set({label:e("Insert image"),icon:Cg,tooltip:!0}),n.buttonView.bind("isEnabled").to(o),n.on("done",((e,i)=>{const n=Array.from(i).filter((t=>r.test(t.type)));n.length&&t.execute("imageUpload",{file:n})})),n}))}}var Eg=i(3901);i(9482),i(87),i(8609);class Sg extends nd{constructor(t){super(t),this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent(Eg)}init(){this.editor.editing.downcastDispatcher.on("attribute:uploadStatus:image",((...t)=>this.uploadStatusChange(...t)))}uploadStatusChange(t,e,i){const n=this.editor,o=e.item,s=o.getAttribute("uploadId");if(!i.consumable.consume(e.item,t.name))return;const r=n.plugins.get(gp),a=s?e.attributeNewValue:null,c=this.placeholder,l=n.editing.mapper.toViewElement(o),d=i.writer;if("reading"==a)return Og(l,d),void Rg(c,l,d);if("uploading"==a){const t=r.loaders.get(s);return Og(l,d),void(t?(Ig(l,d),function(t,e,i,n){const o=function(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});return t.setCustomProperty("progressBar",!0,e),e}(e);e.insert(e.createPositionAt(t,"end"),o),i.on("change:uploadedPercent",((t,e,i)=>{n.change((t=>{t.setStyle("width",i+"%",o)}))}))}(l,d,t,n.editing.view),function(t,e,i){if(i.data){const n=bf(t);e.setAttribute("src",i.data,n)}}(l,d,t)):Rg(c,l,d))}"complete"==a&&r.loaders.get(s)&&function(t,e,i){const n=e.createUIElement("div",{class:"ck-image-upload-complete-icon"});e.insert(e.createPositionAt(t,"end"),n),setTimeout((()=>{i.change((t=>t.remove(t.createRangeOn(n))))}),3e3)}(l,d,n.editing.view),function(t,e){Ng(t,e,"progressBar")}(l,d),Ig(l,d),function(t,e){e.removeClass("ck-appear",t)}(l,d)}}function Og(t,e){t.hasClass("ck-appear")||e.addClass("ck-appear",t)}function Rg(t,e,i){e.hasClass("ck-image-upload-placeholder")||i.addClass("ck-image-upload-placeholder",e);const n=bf(e);n.getAttribute("src")!==t&&i.setAttribute("src",t,n),Mg(e,"placeholder")||i.insert(i.createPositionAfter(n),function(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});return t.setCustomProperty("placeholder",!0,e),e}(i))}function Ig(t,e){t.hasClass("ck-image-upload-placeholder")&&e.removeClass("ck-image-upload-placeholder",t),Ng(t,e,"placeholder")}function Mg(t,e){for(const i of t.getChildren())if(i.getCustomProperty(e))return i}function Ng(t,e,i){const n=Mg(t,i);n&&e.remove(e.createRangeOn(n))}class Vg{constructor(t){this.document=t}createDocumentFragment(t){return new io(this.document,t)}createElement(t,e,i){return new rn(this.document,t,e,i)}createText(t){return new mi(this.document,t)}clone(t,e=!1){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,i){return i._insertChild(t,e)}removeChildren(t,e,i){return i._removeChildren(t,e)}remove(t){const e=t.parent;return e?this.removeChildren(e.getChildIndex(t),1,e):[]}replace(t,e){const i=t.parent;if(i){const n=i.getChildIndex(t);return this.removeChildren(n,1,i),this.insertChild(n,e,i),!0}return!1}unwrapElement(t){const e=t.parent;if(e){const i=e.getChildIndex(t);this.remove(t),this.insertChild(i,t.getChildren(),e)}}rename(t,e){const i=new rn(this.document,t,e.getAttributes(),e.getChildren());return this.replace(e,i)?i:null}setAttribute(t,e,i){i._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,i){y(t)&&void 0===i&&(i=e),i._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,i){i._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}createPositionAt(t,e){return Pn._createAt(t,e)}createPositionAfter(t){return Pn._createAfter(t)}createPositionBefore(t){return Pn._createBefore(t)}createRange(t,e){return new Cn(t,e)}createRangeOn(t){return Cn._createOn(t)}createRangeIn(t){return Cn._createIn(t)}createSelection(t,e,i){return new Sn(t,e,i)}}class Fg extends sd{refresh(){const t=this.editor.model.document.selection.getSelectedElement(),e=t&&"image"===t.name||!1;this.isEnabled=mf(this.editor.model)||e}execute(t){const e=this.editor,i=e.model,n=e.plugins.get(gp);for(const e of ci(t.file))Bg(i,n,e)}}function Bg(t,e,i){const n=e.createLoader(i);n&&gf(t,{uploadId:n.id})}class Dg extends nd{static get requires(){return[gp,lp,Pd]}static get pluginName(){return"ImageUploadEditing"}constructor(t){super(t),t.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}})}init(){const t=this.editor,e=t.model.document,i=t.model.schema,n=t.conversion,o=t.plugins.get(gp),s=Ag(t.config.get("image.upload.types"));i.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),t.commands.add("imageUpload",new Fg(t)),n.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(t.editing.view.document,"clipboardInput",((e,i)=>{if(n=i.dataTransfer,Array.from(n.types).includes("text/html")&&""!==n.getData("text/html"))return;var n;const o=Array.from(i.dataTransfer.files).filter((t=>!!t&&s.test(t.type))),r=i.targetRanges.map((e=>t.editing.mapper.toModelRange(e)));t.model.change((i=>{i.setSelection(r),o.length&&(e.stop(),t.model.enqueueChange("default",(()=>{t.execute("imageUpload",{file:o})})))}))})),this.listenTo(t.plugins.get(Pd),"inputTransformation",((e,i)=>{const n=Array.from(t.editing.view.createRangeIn(i.content)).filter((t=>{return!(!(e=t.item).is("element","img")||!e.getAttribute("src"))&&(e.getAttribute("src").match(/^data:image\/\w+;base64,/g)||e.getAttribute("src").match(/^blob:/g))&&!t.item.getAttribute("uploadProcessed");var e})).map((t=>{return{promise:(e=t.item,new Promise(((t,i)=>{const n=e.getAttribute("src");fetch(n).then((t=>t.blob())).then((e=>{const i=Pg(e,n),o=i.replace("image/",""),s=new File([e],`image.${o}`,{type:i});t(s)})).catch((e=>e&&"TypeError"===e.name?function(t){return function(t){return new Promise(((e,i)=>{const n=Mo.document.createElement("img");n.addEventListener("load",(()=>{const t=Mo.document.createElement("canvas");t.width=n.width,t.height=n.height,t.getContext("2d").drawImage(n,0,0),t.toBlob((t=>t?e(t):i()))})),n.addEventListener("error",(()=>i())),n.src=t}))}(t).then((e=>{const i=Pg(e,t),n=i.replace("image/","");return new File([e],`image.${n}`,{type:i})}))}(n).then(t).catch(i):i(e)))}))),imageElement:t.item};var e}));if(!n.length)return;const s=new Vg(t.editing.view.document);for(const t of n){s.setAttribute("uploadProcessed",!0,t.imageElement);const e=o.createLoader(t.promise);e&&(s.setAttribute("src","",t.imageElement),s.setAttribute("uploadId",e.id,t.imageElement))}})),t.editing.view.document.on("dragover",((t,e)=>{e.preventDefault()})),e.on("change",(()=>{const i=e.differ.getChanges({includeChangesInGraveyard:!0});for(const e of i)if("insert"==e.type&&"$text"!=e.name){const i=e.position.nodeAfter,n="$graveyard"==e.position.root.rootName;for(const e of Lg(t,i)){const t=e.getAttribute("uploadId");if(!t)continue;const i=o.loaders.get(t);i&&(n?i.abort():"idle"==i.status&&this._readAndUpload(i,e))}}}))}_readAndUpload(t,e){const i=this.editor,n=i.model,o=i.locale.t,s=i.plugins.get(gp),r=i.plugins.get(lp);return n.enqueueChange("transparent",(t=>{t.setAttribute("uploadStatus","reading",e)})),t.read().then((()=>{const o=t.upload();if(zn){const t=bf(i.editing.mapper.toViewElement(e));i.editing.view.once("render",(()=>{if(!t.parent)return;const e=i.editing.view.domConverter.mapViewToDom(t.parent);if(!e)return;const n=e.style.display;e.style.display="none",e._ckHack=e.offsetHeight,e.style.display=n}))}return n.enqueueChange("transparent",(t=>{t.setAttribute("uploadStatus","uploading",e)})),o})).then((t=>{n.enqueueChange("transparent",(i=>{i.setAttributes({uploadStatus:"complete",src:t.default},e),this._parseAndSetSrcsetAttributeOnImage(t,e,i)})),a()})).catch((i=>{if("error"!==t.status&&"aborted"!==t.status)throw i;"error"==t.status&&i&&r.showWarning(i,{title:o("Upload failed"),namespace:"upload"}),a(),n.enqueueChange("transparent",(t=>{t.remove(e)}))}));function a(){n.enqueueChange("transparent",(t=>{t.removeAttribute("uploadId",e),t.removeAttribute("uploadStatus",e)})),s.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,i){let n=0;const o=Object.keys(t).filter((t=>{const e=parseInt(t,10);if(!isNaN(e))return n=Math.max(n,e),!0})).map((e=>`${t[e]} ${e}w`)).join(", ");""!=o&&i.setAttribute("srcset",{data:o,width:n},e)}}function Lg(t,e){return Array.from(t.model.createRangeOn(e)).filter((t=>t.item.is("element","image"))).map((t=>t.item))}class zg extends nd{static get pluginName(){return"ImageUpload"}static get requires(){return[Dg,Tg,Sg]}}function jg(t){if(t.is("$text")||t.is("$textProxy"))return t.data;let e="",i=null;for(const n of t.getChildren()){const t=jg(n);i&&i.is("element")&&(e+="\n"),e+=t,i=n}return e}class $g extends nd{constructor(t){super(t),this.set("characters",0),this.set("words",0),Object.defineProperties(this,{characters:{get(){return this.characters=this._getCharacters()}},words:{get(){return this.words=this._getWords()}}}),this.set("_wordsLabel"),this.set("_charactersLabel"),this._config=t.config.get("wordCount")||{},this._outputView=void 0,this._wordsMatchRegExp=$n.isRegExpUnicodePropertySupported?new RegExp("([\\p{L}\\p{N}]+\\S?)+","gu"):/([a-zA-Z0-9À-ž]+\S?)+/gu}static get pluginName(){return"WordCount"}init(){this.editor.model.document.on("change:data",function(t,e,i){var n=!0,o=!0;if("function"!=typeof t)throw new TypeError("Expected a function");return E(i)&&(n="leading"in i?!!i.leading:n,o="trailing"in i?!!i.trailing:o),ys(t,e,{leading:n,maxWait:e,trailing:o})}(this._refreshStats.bind(this),250)),"function"==typeof this._config.onUpdate&&this.on("update",((t,e)=>{this._config.onUpdate(e)})),Ne(this._config.container)&&this._config.container.appendChild(this.wordCountContainer)}destroy(){this._outputView&&(this._outputView.element.remove(),this._outputView.destroy()),super.destroy()}get wordCountContainer(){const t=this.editor,e=t.t,i=t.config.get("wordCount.displayWords"),n=t.config.get("wordCount.displayCharacters"),o=Dc.bind(this,this),s=[];return this._outputView||(this._outputView=new ol,(i||void 0===i)&&(this.bind("_wordsLabel").to(this,"words",(t=>e("Words: %0",t))),s.push({tag:"div",children:[{text:[o.to("_wordsLabel")]}],attributes:{class:"ck-word-count__words"}})),(n||void 0===n)&&(this.bind("_charactersLabel").to(this,"characters",(t=>e("Characters: %0",t))),s.push({tag:"div",children:[{text:[o.to("_charactersLabel")]}],attributes:{class:"ck-word-count__characters"}})),this._outputView.setTemplate({tag:"div",attributes:{class:["ck","ck-word-count"]},children:s}),this._outputView.render()),this._outputView.element}_getCharacters(){return jg(this.editor.model.document.getRoot()).replace(/\n/g,"").length}_getWords(){return(jg(this.editor.model.document.getRoot()).match(this._wordsMatchRegExp)||[]).length}_refreshStats(){const t=this.words=this._getWords(),e=this.characters=this._getCharacters();this.fire("update",{words:t,characters:e})}}class qg extends nd{static get pluginName(){return"Autosave"}static get requires(){return[fp]}constructor(t){super(t);const e=t.config.get("autosave")||{},i=e.waitingTime||1e3;this.set("state","synchronized"),this._debouncedSave=ys(this._save.bind(this),i),this._lastDocumentVersion=t.model.document.version,this._domEmitter=Object.create($o),this._config=e}init(){const t=this.editor,e=t.model.document,i=t.t;this._pendingActions=t.plugins.get(fp),this.listenTo(e,"change:data",(()=>{this._saveCallbacks.length&&("synchronized"==this.state?(this._action=this._pendingActions.add(i("Saving changes")),this.state="waiting",this._debouncedSave()):"waiting"==this.state&&this._debouncedSave())})),this.listenTo(t,"destroy",(()=>this._flush()),{priority:"highest"}),this._domEmitter.listenTo(window,"beforeunload",((t,e)=>{this._pendingActions.hasAny&&(e.returnValue=this._pendingActions.first.message)}))}destroy(){this._domEmitter.stopListening(),super.destroy()}_flush(){this._debouncedSave.flush()}_save(){const t=this.editor.model.document.version;t<this._lastDocumentVersion||"initializing"===this.editor.state?this._debouncedSave.cancel():(this._lastDocumentVersion=t,this.state="saving",Promise.resolve().then((()=>Promise.all(this._saveCallbacks.map((t=>t(this.editor)))))).catch((t=>{throw this.state="error",this.state="saving",this._debouncedSave(),t})).then((()=>{this.editor.model.document.version>this._lastDocumentVersion?(this.state="waiting",this._debouncedSave()):(this.state="synchronized",this._pendingActions.remove(this._action),this._action=null)})))}get _saveCallbacks(){const t=[];return this.adapter&&this.adapter.save&&t.push(this.adapter.save),this._config.save&&t.push(this._config.save),t}}si(qg,gn);class Wg extends hs{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}i(9781);class Hg extends ol{constructor(t,e){super(t);const i=t.t;this.focusTracker=new Tc,this.keystrokes=new wc,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(i("Save"),Bp,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(i("Cancel"),Dp,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e),this.children=this._createFormChildren(e.manualDecorators),this._focusables=new Bc,this._focusCycler=new gl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const n=["ck","ck-link-form","ck-responsive-form"];e.manualDecorators.length&&n.push("ck-link-form_layout-vertical","ck-vertical-form"),this.setTemplate({tag:"form",attributes:{class:n,tabindex:"-1"},children:this.children}),Vp(this)}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce(((t,e)=>(t[e.name]=e.isOn,t)),{})}render(){super.render(),Fp({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 Ip(this.locale,Np);return e.label=t("Link URL"),e}_createButton(t,e,i,n){const o=new Sl(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:i}}),n&&o.delegate("execute").to(this,n),o}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const i of t.manualDecorators){const n=new Vl(this.locale);n.set({name:i.id,label:i.label,withText:!0}),n.bind("isOn").toMany([i,t],"value",((t,e)=>void 0===e&&void 0===t?i.defaultValue:t)),n.on("execute",(()=>{i.set("value",!n.isOn)})),e.add(n)}return e}_createFormChildren(t){const e=this.createCollection();if(e.add(this.urlInputView),t.length){const t=new ol;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}}var Ug=i(7539),Kg=i(5462);i(9052);class Gg extends ol{constructor(t){super(t);const e=t.t;this.focusTracker=new Tc,this.keystrokes=new wc,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e("Unlink"),Ug,"unlink"),this.editButtonView=this._createButton(e("Edit link"),Kg,"edit"),this.set("href"),this._focusables=new Bc,this._focusCycler=new gl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions","ck-responsive-form"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render(),[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach((t=>{this._focusables.add(t),this.focusTracker.add(t.element)})),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(t,e,i){const n=new Sl(this.locale);return n.set({label:t,icon:e,tooltip:!0}),n.delegate("execute").to(this,i),n}_createPreviewButton(){const t=new Sl(this.locale),e=this.bindTemplate,i=this.t;return t.set({withText:!0,tooltip:i("Open link in new tab")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",(t=>t&&Xf(t))),target:"_blank",rel:"noopener noreferrer"}}),t.bind("label").to(this,"href",(t=>t||i("This link has no URL"))),t.bind("isEnabled").to(this,"href",(t=>!!t)),t.template.tag="a",t.template.eventListeners={},t}}var Jg=i(4518);const Yg="link-ui";class Xg extends nd{static get requires(){return[qp]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(Wg),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(qp),this._createToolbarLinkButton(),this._enableUserBalloonInteractions(),t.conversion.for("editingDowncast").markerToHighlight({model:Yg,view:{classes:["ck-fake-link-selection"]}}),t.conversion.for("editingDowncast").markerToElement({model:Yg,view:{name:"span",classes:["ck-fake-link-selection","ck-fake-link-selection_collapsed"]}})}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new Gg(t.locale),i=t.commands.get("link"),n=t.commands.get("unlink");return e.bind("href").to(i,"value"),e.editButtonView.bind("isEnabled").to(i),e.unlinkButtonView.bind("isEnabled").to(n),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(Jf,((t,e)=>{this._addFormView(),e()})),e}_createFormView(){const t=this.editor,e=t.commands.get("link"),i=t.config.get("link.defaultProtocol"),n=new Hg(t.locale,e);return n.urlInputView.fieldView.bind("value").to(e,"value"),n.urlInputView.bind("isReadOnly").to(e,"isEnabled",(t=>!t)),n.saveButtonView.bind("isEnabled").to(e),this.listenTo(n,"submit",(()=>{const{value:e}=n.urlInputView.fieldView.element,o=Qf(e,i);t.execute("link",o,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"),i=t.t;t.keystrokes.set(Jf,((t,i)=>{i(),e.isEnabled&&this._showUI(!0)})),t.ui.componentFactory.add("link",(t=>{const n=new Sl(t);return n.isEnabled=!0,n.label=i("Link"),n.icon=Jg,n.keystroke=Jf,n.tooltip=!0,n.isToggleable=!0,n.bind("isEnabled").to(e,"isEnabled"),n.bind("isOn").to(e,"value",(t=>!!t)),this.listenTo(n,"execute",(()=>this._showUI(!0))),n}))}_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())})),Fl({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.formView.disableCssTransitions(),this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this._balloon.visibleView===this.formView&&this.formView.urlInputView.fieldView.select(),this.formView.enableCssTransitions(),this.formView.urlInputView.fieldView.element.value=t.value||""}_closeFormView(){const t=this.editor.commands.get("link");t.restoreManualDecoratorStates(),void 0!==t.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this._balloon.remove(this.formView),this.editor.editing.view.focus(),this._hideFakeVisualSelection())}_showUI(t=!1){this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),t&&this._balloon.showStack("main")):(this._showFakeVisualSelection(),this._addActionsView(),t&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel)return;const t=this.editor;this.stopListening(t.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),t.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView),this._hideFakeVisualSelection()}_startUpdatingUI(){const t=this.editor,e=t.editing.view.document;let i=this._getSelectedLinkElement(),n=s();const o=()=>{const t=this._getSelectedLinkElement(),e=s();i&&!t||!i&&e!==n?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),i=t,n=e};function s(){return e.selection.focus.getAncestors().reverse().find((t=>t.is("element")))}this.listenTo(t.ui,"update",o),this.listenTo(this._balloon,"change:visibleView",o)}get _isFormInPanel(){return this._balloon.hasView(this.formView)}get _areActionsInPanel(){return this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){return this._balloon.visibleView==this.formView||this._areActionsVisible}_getBalloonPositionData(){const t=this.editor.editing.view,e=this.editor.model,i=t.document;let n=null;if(e.markers.has(Yg)){const e=Array.from(this.editor.editing.mapper.markerNameToElements(Yg)),i=t.createRange(t.createPositionBefore(e[0]),t.createPositionAfter(e[e.length-1]));n=t.domConverter.viewRangeToDom(i)}else{const e=this._getSelectedLinkElement(),o=i.selection.getFirstRange();n=e?t.domConverter.mapViewToDom(e):t.domConverter.viewRangeToDom(o)}return{target:n}}_getSelectedLinkElement(){const t=this.editor.editing.view,e=t.document.selection;if(e.isCollapsed)return Zg(e.getFirstPosition());{const i=e.getFirstRange().getTrimmed(),n=Zg(i.start),o=Zg(i.end);return n&&n==o&&t.createRangeIn(n).getTrimmed().isEqual(i)?n:null}}_showFakeVisualSelection(){const t=this.editor.model;t.change((e=>{const i=t.document.selection.getFirstRange();if(t.markers.has(Yg))e.updateMarker(Yg,{range:i});else if(i.start.isAtEnd){const n=i.start.getLastMatchingPosition((({item:e})=>!t.schema.isContent(e)),{boundaries:i});e.addMarker(Yg,{usingOperation:!1,affectsData:!1,range:e.createRange(n,i.end)})}else e.addMarker(Yg,{usingOperation:!1,affectsData:!1,range:i})}))}_hideFakeVisualSelection(){const t=this.editor.model;t.markers.has(Yg)&&t.change((t=>{t.removeMarker(Yg)}))}}function Zg(t){return t.getAncestors().find((t=>{return(e=t).is("attributeElement")&&!!e.getCustomProperty("link");var e}))}function Qg(t,e){let i=t.start;return{text:Array.from(t.getItems()).reduce(((t,n)=>n.is("$text")||n.is("$textProxy")?t+n.data:(i=e.createPositionAfter(n),"")),""),range:e.createRange(i,t.end)}}class tm{constructor(t,e){this.model=t,this.testCallback=e,this.hasMatch=!1,this.set("isEnabled",!0),this.on("change:isEnabled",(()=>{this.isEnabled?this._startListening():(this.stopListening(t.document.selection),this.stopListening(t.document))})),this._startListening()}_startListening(){const t=this.model.document;this.listenTo(t.selection,"change:range",((e,{directChange:i})=>{i&&(t.selection.isCollapsed?this._evaluateTextBeforeSelection("selection"):this.hasMatch&&(this.fire("unmatched"),this.hasMatch=!1))})),this.listenTo(t,"change:data",((t,e)=>{"transparent"!=e.type&&this._evaluateTextBeforeSelection("data",{batch:e})}))}_evaluateTextBeforeSelection(t,e={}){const i=this.model,n=i.document.selection,o=i.createRange(i.createPositionAt(n.focus.parent,0),n.focus),{text:s,range:r}=Qg(o,i),a=this.testCallback(s);if(!a&&this.hasMatch&&this.fire("unmatched"),this.hasMatch=!!a,a){const i=Object.assign(e,{text:s,range:r});"object"==typeof a&&Object.assign(i,a),this.fire(`matched:${t}`,i)}}}si(tm,gn);const em=new RegExp("(^|\\s)(((?:(?:(?:https?|ftp):)?\\/\\/)(?:\\S+(?::\\S*)?@)?(?:(?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.)+(?:[a-z\\u00a1-\\uffff]{2,}))(?::\\d{2,5})?(?:[/?#]\\S*)?)|((www.|(\\S+@))((?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.))+(?:[a-z\\u00a1-\\uffff]{2,})))$","i");class im extends nd{static get pluginName(){return"AutoLink"}init(){const t=this.editor.model.document.selection;t.on("change:range",(()=>{this.isEnabled=!t.anchor.parent.is("element","codeBlock")})),this._enableTypingHandling()}afterInit(){this._enableEnterHandling(),this._enableShiftEnterHandling()}_enableTypingHandling(){const t=this.editor,e=new tm(t.model,(t=>{if(!function(t){return t.length>4&&" "===t[t.length-1]&&" "!==t[t.length-2]}(t))return;const e=nm(t.substr(0,t.length-1));return e?{url:e}:void 0})),i=t.plugins.get("Input");e.on("matched:data",((e,n)=>{const{batch:o,range:s,url:r}=n;if(!i.isInput(o))return;const a=s.end.getShiftedBy(-1),c=a.getShiftedBy(-r.length),l=t.model.createRange(c,a);this._applyAutoLink(r,l)})),e.bind("isEnabled").to(this)}_enableEnterHandling(){const t=this.editor,e=t.model,i=t.commands.get("enter");i&&i.on("execute",(()=>{const t=e.document.selection.getFirstPosition();if(!t.parent.previousSibling)return;const i=e.createRangeIn(t.parent.previousSibling);this._checkAndApplyAutoLinkOnRange(i)}))}_enableShiftEnterHandling(){const t=this.editor,e=t.model,i=t.commands.get("shiftEnter");i&&i.on("execute",(()=>{const t=e.document.selection.getFirstPosition(),i=e.createRange(e.createPositionAt(t.parent,0),t.getShiftedBy(-1));this._checkAndApplyAutoLinkOnRange(i)}))}_checkAndApplyAutoLinkOnRange(t){const e=this.editor.model,{text:i,range:n}=Qg(t,e),o=nm(i);if(o){const t=e.createRange(n.end.getShiftedBy(-o.length),n.end);this._applyAutoLink(o,t)}}_applyAutoLink(t,e){const i=this.editor.model;this.isEnabled&&function(t,e){return e.schema.checkAttributeInSelection(e.createSelection(t),"linkHref")}(e,i)&&i.enqueueChange((i=>{const n=this.editor.config.get("link.defaultProtocol"),o=Qf(t,n);i.setAttribute("linkHref",o,e)}))}}function nm(t){const e=em.exec(t);return e?e[2]:null}class om extends nd{static get requires(){return[sp,Xg,im]}static get pluginName(){return"Link"}}var sm=i(1336);const rm="removeFormat";class am extends nd{static get pluginName(){return"RemoveFormatUI"}init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(rm,(i=>{const n=t.commands.get(rm),o=new Sl(i);return o.set({label:e("Remove Format"),icon:sm,tooltip:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>{t.execute(rm),t.editing.view.focus()})),o}))}}class cm extends sd{refresh(){const t=this.editor.model;this.isEnabled=!!ad(this._getFormattingItems(t.document.selection,t.schema))}execute(){const t=this.editor.model,e=t.schema;t.change((i=>{for(const n of this._getFormattingItems(t.document.selection,e))if(n.is("selection"))for(const t of this._getFormattingAttributes(n,e))i.removeSelectionAttribute(t);else{const t=i.createRangeOn(n);for(const o of this._getFormattingAttributes(n,e))i.removeAttribute(o,t)}}))}*_getFormattingItems(t,e){const i=t=>!!ad(this._getFormattingAttributes(t,e));for(const n of t.getRanges())for(const t of n.getItems())!e.isBlock(t)&&i(t)&&(yield t);for(const e of t.getSelectedBlocks())i(e)&&(yield e);i(t)&&(yield t)}*_getFormattingAttributes(t,e){for(const[i]of t.getAttributes()){const t=e.getAttributeProperties(i);t&&t.isFormatting&&(yield i)}}}class lm extends nd{static get pluginName(){return"RemoveFormatEditing"}init(){const t=this.editor;t.commands.add("removeFormat",new cm(t))}}let dm={pdf:"pdf",doc:"msword",docx:"msword",pages:"vnd.apple.pages",xls:"vnd.ms-excel",xlsx:"vnd.openxmlformats-officedocument.spreadsheetml.sheet",gif:"image/gif",png:"image/png",jpeg:"image/jpeg",jpg:"image/jpeg",bmp:"image/bmp",webp:"image/webp"};class hm extends sd{constructor(t,e){super(t),this.attributeKey=e}refresh(){this.isEnabled=!0}execute(t){const e=this.editor,i=e.model,n=e.plugins.get(gp);i.change((e=>{const o=t.file;for(const t of o)um(e,i,n,t)}))}}function um(t,e,i,n){const o=i.createLoader(n);o&&function(t,e,i={},n){const o=df(e.document.selection,e),s=t.createText(n.name,i);e.insertContent(s,o),s.parent&&t.setSelection(s,"on")}(t,e,{linkHref:"",uploadId:o.id},n)}class fm extends nd{static get requires(){return[gp,lp,Pd]}static get pluginName(){return"FileUploadEditing"}constructor(t){super(t)}init(){const t=this.editor,e=t.model.document,i=t.model.schema,n=t.conversion,o=t.plugins.get(gp),s=function(t){const e=Object.values(dm).map((t=>t.replace("+","\\+")));return new RegExp(`^application\\/(${e.join("|")})$`)}(t.config.get("simpleFileUpload.fileTypes"));i.extend("$text",{allowAttributes:["uploadId","uploadStatus"]}),t.commands.add("fileUpload",new hm(t,"fileUpload")),n.for("downcast").add((t=>{t.on("attribute:linkHref",((t,e,i)=>{const n=i.writer,o=n.document.selection,s=n.createAttributeElement("a",{target:"_blank",class:"ck-link-file"},{priority:5});e.attributeNewValue.match(/ckeditor\.com/)?n.unwrap(i.mapper.toViewRange(e.range),s):e.item.is("selection")?n.wrap(o.getFirstRange(),s):n.wrap(i.mapper.toViewRange(e.range),s)}),{priority:"low"})})),n.for("upcast").attributeToAttribute({view:{name:"a",key:"uploadId"},model:"uploadId"}),this.listenTo(t.editing.view.document,"clipboardInput",((e,i)=>{if(t.isReadOnly)return;const n=t.plugins.get("Clipboard"),o=i.dataTransfer;let r=yd(o.getData("text/plain"));if(r=this.editor.data.htmlProcessor.toView(r),n.fire("inputTransformation",{content:r,dataTransfer:o}),t.editing.view.scrollToTheSelection(),e.stop(),function(t){return Array.from(t.types).includes("text/html")&&""!==t.getData("text/html")}(i.dataTransfer))return;const a=Array.from(i.dataTransfer.files).filter((t=>!!t&&s.test(t.type))),c=i.targetRanges.map((e=>t.editing.mapper.toModelRange(e)));t.model.change((i=>{i.setSelection(c),a.length&&(e.stop(),t.model.enqueueChange("default",(()=>{t.execute("fileUpload",{file:a})})))}))})),this.listenTo(t.plugins.get(Pd),"inputTransformation",((e,i)=>{const n=Array.from(t.editing.view.createRangeIn(i.content)).filter((t=>{return!(!(e=t.item).is("element","a")||!e.getAttribute("href"))&&e.getAttribute("href")&&!t.item.getAttribute("uploadProcessed");var e})).map((t=>{return{promise:(e=t.item,new Promise(((t,i)=>{const n=e.getAttribute("href");fetch(n).then((t=>t.blob())).then((e=>{const o=function(t,e){if(t.type)return t.type;if(e.match(/data:(image\/\w+);base64/))return e.match(/data:(image\/\w+);base64/)[1].toLowerCase();throw new Error("Could not retrieve mime type for file.")}(e,n),s=function(t,e,i){try{return new File([t],e,{type:i})}catch(t){return null}}(e,`file.${o.replace("file/","")}`,o);s?t(s):i()})).catch(i)}))),fileElement:t.item};var e}));if(!n.length)return;const s=new Vg;for(const t of n){s.setAttribute("uploadProcessed",!0,t.fileElement);const e=o.createLoader(t.promise);e&&(s.setAttribute("href","",t.fileElement),s.setAttribute("uploadId",e.id,t.fileElement))}})),t.editing.view.document.on("dragover",((t,e)=>{t.stop()})),e.on("change",(()=>{const i=e.differ.getChanges({includeChangesInGraveyard:!0});for(const e of i)if("insert"===e.type){const i=e.position.nodeAfter;if(i){const n="$graveyard"===e.position.root.rootName;for(const e of pm(t,i)){const t=e.getAttribute("uploadId");if(!t)continue;const i=o.loaders.get(t);i&&(n?i.abort():"idle"===i.status&&this._readAndUpload(i,e))}}}}))}_readAndUpload(t,e){const i=this.editor,n=i.model,o=i.locale.t,s=i.plugins.get(gp),r=i.plugins.get(lp);return n.enqueueChange("transparent",(t=>{t.setAttribute("uploadStatus","reading",e)})),t.read().then((()=>{const i=t.upload();return n.enqueueChange("transparent",(t=>{t.setAttribute("uploadStatus","uploading",e)})),i})).then((t=>{n.enqueueChange("transparent",(i=>{i.setAttributes({uploadStatus:"complete",linkHref:t.default},e)})),a()})).catch((i=>{if("error"!==t.status&&"aborted"!==t.status)throw i;"error"===t.status&&i&&r.showWarning(i,{title:o("Upload failed"),namespace:"upload"}),a(),n.enqueueChange("transparent",(t=>{t.remove(e)}))}));function a(){n.enqueueChange("transparent",(t=>{t.removeAttribute("uploadId",e),t.removeAttribute("uploadStatus",e)})),s.destroyLoader(t)}}}function pm(t,e){return Array.from(t.model.createRangeOn(e)).filter((t=>t.item.hasAttribute("linkHref"))).map((t=>t.item))}var gm=i(1474);class mm extends nd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("fileUpload",(i=>{const n=new yg(i),o=t.commands.get("fileUpload"),s=t.config.get("simpleFileUpload.fileTypes");return n.set({acceptedType:s.map((t=>`${t}`)).join(","),allowMultipleFiles:!1}),n.buttonView.set({label:e("Insert file"),icon:gm,tooltip:!0}),n.buttonView.bind("isEnabled").to(o),n.on("done",((e,i)=>{const n=i;n.length&&t.execute("fileUpload",{file:n})})),n}))}}class bm extends nd{static get requires(){return[fm,mm]}static get pluginName(){return"fileUpload"}}class wm extends nd{static get requires(){return[gp]}static get pluginName(){return"SimpleFileUploadAdapter"}init(){const t=this.editor.config.get("simpleFileUpload");t&&(t.url?this.editor.plugins.get(gp).createUploadAdapter=e=>new km(e,t):console.warn(qe('simple-upload-adapter-missing-uploadUrl: Missing the "uploadUrl" property in the "simpleUpload" editor configuration.')))}}class km{constructor(t,e){this.loader=t,this.options=e}upload(){return this.loader.file.then((t=>new Promise(((e,i)=>{const n=this.getFileRename(t),o=this.getFileFolder(n),s=void 0!==window.upload?window.upload:"imageUpload";this.options.allowUploads&&("imageUpload"===s&&this.resizeImage(this,e,i,t,n),"fileUpload"===s&&(this._initRequest(),this._initListeners(e,i,t),this._sendRequest(t,n)),uploadedFiles.push(o))}))))}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.options.url,!0),t.responseType="json"}_initListeners(t,e,i){const n=this.xhr,o=this.loader,s=`Couldn't upload file: ${i.name}.`;n.addEventListener("error",(()=>e(s))),n.addEventListener("abort",(()=>e())),n.addEventListener("load",(()=>{const i=n.response;if(!i||i.error||!i.uploaded)return e(i&&i.error?i.error.message:s);t({default:i.url}),"function"==typeof saveAsDraft&&setTimeout((()=>{saveAsDraft()}),1e3)})),n.upload&&n.upload.addEventListener("progress",(t=>{t.lengthComputable&&(o.uploadTotal=t.total,o.uploaded=t.loaded)}))}_sendRequest(t,e){const i=new FormData;i.append("upload",t),i.append("ticket",$("#ticket").val()),i.append("filename",e),i.append("typeUpload",window.upload),this.xhr.send(i)}abort(){this.xhr&&this.xhr.abort()}getFileRename(t){const e=t.name,i=e.substring(0,e.indexOf(".")),n=e.substring(e.lastIndexOf("."));return i+"-"+(new Date).getTime()+n}getFileFolder(t){const e=new Date;return`${e.getFullYear()}/${("0"+(e.getMonth()+1)).slice(-2)}/`+t}resizeImage(t,e,i,n,o){if(n.type.match(/image.*/)){const s=new FileReader;s.onload=function(s){let r=document.createElement("img");r.src=s.target.result;const a=1920,c=1920;let l=r.width,d=r.height;l>d?l>a&&(d*=a/l,l=a):d>c&&(l*=c/d,d=c);const h=document.createElement("canvas");h.width=l,h.height=d,h.getContext("2d").drawImage(r,0,0,l,d);let u=h.toDataURL("image/jpeg");t.urlToFile(u,n.name,"image/jpeg").then((function(n){t._initRequest(),t._initListeners(e,i,n),t._sendRequest(n,o)}))},s.readAsDataURL(n)}}urlToFile(t,e,i){return fetch(t).then((function(t){return t.arrayBuffer()})).then((function(t){return new File([t],e,{type:i})}))}}var _m=i(7364);class vm extends nd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("mathliveBox",(i=>{const n=t.commands.get("insertMathliveBox"),o=new Sl(i);return o.set({label:e("Mathlive Box"),icon:_m,withText:!1,tooltip:!0}),o.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(o,"execute",(()=>t.execute("insertMathliveBox"))),o}))}}class ym extends sd{execute(){this.editor.model.change((t=>this.editor.model.insertContent(t.createElement("mathliveBox"))))}refresh(){const t=this.editor.model,e=t.document.selection,i=t.schema.checkChild(e.focus.parent,"mathliveBox");this.isEnabled=null!==i}}class xm extends nd{static get requires(){return[Sp]}init(){this._defineSchema(),this._defineConverters(),this.editor.commands.add("insertMathliveBox",new ym(this.editor))}_defineSchema(){this.editor.model.schema.register("mathliveBox",{isObject:!0,isInline:!0,allowWhere:"$text",allowAttributes:["latex"]})}_defineConverters(){const t=this.editor.conversion;t.for("upcast").elementToElement({view:{name:"span"},model:(t,{writer:e})=>{if("math-field"===t.getChild(0)?.name){const i=t.getChild(0).getChild(0)._textData;return e.createElement("mathliveBox",{latex:i})}}}),t.for("dataDowncast").elementToElement({model:"mathliveBox",view:{name:"span"}}),t.for("editingDowncast").elementToElement({model:"mathliveBox",view:(t,{writer:e})=>{const i=t.getAttribute("latex"),n=e.createContainerElement("span",{style:"display: inline-block;","data-cke-ignore-events":!0}),o=void 0===i?"white-space: normal;font-size:1.2em;display: inline-block;width: 100px;border: 1px solid rgba(0, 0, 0, .5);":"white-space: normal;font-size:1.2em;width: fit-content;",s=e.createRawElement("math-field",{class:"mathlive","virtual-keyboard-mode":"onfocus",style:o},(function(t){t.innerHTML=i??null,t.addEventListener("change",(function(){t.innerHTML="\\("+t.value+"\\)",t.style.minWidth=null,t.style.border=null,t.style.width="fit-content"}))}));return e.insert(e.createPositionAt(n,0),s),cf(n,e)}})}}class Am extends Ul{}class Pm extends id{}class Cm extends Ul{}Am.builtinPlugins=[wd,xh,Oh,Fh,$h,Gh,tu,ru,ku,Gu,vp,Yp,tg,cg,vg,zg,$g,qg,bm,wm,om,class extends nd{static get requires(){return[lm,am]}static get pluginName(){return"RemoveFormat"}}],Am.defaultConfig={language:"en"},Pm.builtinPlugins=[xh,Oh,Fh,$h,Gh,tu,ru,ku,Gu,vp,Yp,tg,cg,vg,zg,$g,bm,wm,class extends nd{static get requires(){return[xm,vm]}}],Pm.defaultConfig={language:"en"},Cm.builtinPlugins=[wd,xh,Oh,Fh,tu,ru,om],Cm.defaultConfig={language:"en"};const Tm={ClassicEditor:Am,InlineEditor:Pm,BasicEditor:Cm}},1474:t=>{"use strict";t.exports='<?xml version="1.0" 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