diff --git a/ckeditor5/LICENSE.md b/ckeditor5/LICENSE.md index 936aba7..9c171f4 100755 --- a/ckeditor5/LICENSE.md +++ b/ckeditor5/LICENSE.md @@ -5,7 +5,7 @@ Copyright (c) 2014-2020, CKSource - Frederico Knabben. All rights reserved. Online builder code samples are licensed under the terms of the MIT License (see Appendix A): - https://en.wikipedia.org/wiki/MIT_License + http://en.wikipedia.org/wiki/MIT_License CKEditor 5 collaboration features are only available under a commercial license. [Contact us](https://ckeditor.com/contact/) for more details. diff --git a/ckeditor5/build/ckeditor.js b/ckeditor5/build/ckeditor.js index 7019a15..acba215 100755 --- a/ckeditor5/build/ckeditor.js +++ b/ckeditor5/build/ckeditor.js @@ -2,5 +2,5 @@ * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. 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this._customProperties.get(t)}*getCustomProperties(){yield*this._customProperties.entries()}getIdentity(){const t=Array.from(this._classes).sort().join(",");const e=this._styles.toString();const n=Array.from(this._attrs).map(t=>`${t[0]}="${t[1]}"`).sort().join(" ");return this.name+(t==""?"":` class="${t}"`)+(!e?"":` style="${e}"`)+(n==""?"":` ${n}`)}_clone(t=false){const e=[];if(t){for(const n of this.getChildren()){e.push(n._clone(t))}}const n=new this.constructor(this.name,this._attrs,e);n._classes=new Set(this._classes);n._styles.set(this._styles.getNormalized());n._customProperties=new Map(this._customProperties);n.getFillerOffset=this.getFillerOffset;return n}_appendChild(t){return this._insertChild(this.childCount,t)}_insertChild(t,e){this._fireChange("children",this);let n=0;const i=Bc(e);for(const e of i){if(e.parent!==null){e._remove()}e.parent=this;this._children.splice(t,0,e);t++;n++}return n}_removeChildren(t,e=1){this._fireChange("children",this);for(let 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i;if(!n.get(e.observable)){t.listenTo(e.observable,"change",(o,r)=>{i=n.get(e.observable)[r];if(i){i.forEach(e=>{ol(t,e.property)})}})}})}const sl=Symbol("document");class al extends Fc{constructor(t,e,n){super(t,e,n);this.set("isReadOnly",false);this.set("isFocused",false)}is(t,e=null){const n=t&&t.replace(/^view:/,"");if(!e){return n=="editableElement"||super.is(t)}else{return n=="editableElement"&&e==this.name||super.is(t,e)}}destroy(){this.stopListening()}get document(){return this.getCustomProperty(sl)}set _document(t){if(this.getCustomProperty(sl)){throw new ss["b"]("view-editableelement-document-already-set: View document is already set.",this)}this._setCustomProperty(sl,t);this.bind("isReadOnly").to(t);this.bind("isFocused").to(t,"isFocused",e=>e&&t.selection.editableElement==this);this.listenTo(t.selection,"change",()=>{this.isFocused=t.isFocused&&t.selection.editableElement==this})}}vs(al,Qc);const cl=Symbol("rootName");class ll extends al{constructor(t){super(t);this.rootName="main"}is(t,e=null){const n=t.replace(/^view:/,"");if(!e){return n=="rootElement"||super.is(t)}else{return n=="rootElement"&&e==this.name||super.is(t,e)}}get rootName(){return this.getCustomProperty(cl)}set rootName(t){this._setCustomProperty(cl,t)}set _name(t){this.name=t}}class dl{constructor(t={}){if(!t.boundaries&&!t.startPosition){throw new ss["b"]("view-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null)}if(t.direction&&t.direction!="forward"&&t.direction!="backward"){throw new ss["b"]("view-tree-walker-unknown-direction: Only `backward` and `forward` direction 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instanceof js){if(t.isAtEnd){this.position=ul._createAfter(n);return this._next()}i=n.data[t.offset]}else{i=n.getChild(t.offset)}if(i instanceof Lc){if(!this.shallow){t=new ul(i,0)}else{t.offset++}this.position=t;return this._formatReturnValue("elementStart",i,e,t,1)}else if(i instanceof js){if(this.singleCharacters){t=new ul(i,0);this.position=t;return this._next()}else{let n=i.data.length;let o;if(i==this._boundaryEndParent){n=this.boundaries.end.offset;o=new zs(i,0,n);t=ul._createAfter(o)}else{o=new zs(i,0,i.data.length);t.offset++}this.position=t;return this._formatReturnValue("text",o,e,t,n)}}else if(typeof i=="string"){let i;if(this.singleCharacters){i=1}else{const e=n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length;i=e-t.offset}const o=new zs(n,t.offset,i);t.offset+=i;this.position=t;return this._formatReturnValue("text",o,e,t,i)}else{t=ul._createAfter(n);this.position=t;if(this.ignoreElementEnd){return this._next()}else{return this._formatReturnValue("elementEnd",n,e,t)}}}_previous(){let t=this.position.clone();const e=this.position;const n=t.parent;if(n.parent===null&&t.offset===0){return{done:true}}if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset){return{done:true}}let i;if(n instanceof js){if(t.isAtStart){this.position=ul._createBefore(n);return this._previous()}i=n.data[t.offset-1]}else{i=n.getChild(t.offset-1)}if(i instanceof Lc){if(!this.shallow){t=new ul(i,i.childCount);this.position=t;if(this.ignoreElementEnd){return this._previous()}else{return this._formatReturnValue("elementEnd",i,e,t)}}else{t.offset--;this.position=t;return this._formatReturnValue("elementStart",i,e,t,1)}}else if(i instanceof js){if(this.singleCharacters){t=new ul(i,i.data.length);this.position=t;return this._previous()}else{let n=i.data.length;let o;if(i==this._boundaryStartParent){const e=this.boundaries.start.offset;o=new zs(i,e,i.data.length-e);n=o.data.length;t=ul._createBefore(o)}else{o=new zs(i,0,i.data.length);t.offset--}this.position=t;return this._formatReturnValue("text",o,e,t,n)}}else if(typeof i=="string"){let i;if(!this.singleCharacters){const e=n===this._boundaryStartParent?this.boundaries.start.offset:0;i=t.offset-e}else{i=1}t.offset-=i;const o=new zs(n,t.offset,i);this.position=t;return this._formatReturnValue("text",o,e,t,i)}else{t=ul._createBefore(n);this.position=t;return this._formatReturnValue("elementStart",n,e,t,1)}}_formatReturnValue(t,e,n,i,o){if(e instanceof zs){if(e.offsetInText+e.data.length==e.textNode.data.length){if(this.direction=="forward"&&!(this.boundaries&&this.boundaries.end.isEqual(this.position))){i=ul._createAfter(e.textNode);this.position=i}else{n=ul._createAfter(e.textNode)}}if(e.offsetInText===0){if(this.direction=="backward"&&!(this.boundaries&&this.boundaries.start.isEqual(this.position))){i=ul._createBefore(e.textNode);this.position=i}else{n=ul._createBefore(e.textNode)}}}return{done:false,value:{type:t,item:e,previousPosition:n,nextPosition:i,length:o}}}}class ul{constructor(t,e){this.parent=t;this.offset=e}get nodeAfter(){if(this.parent.is("text")){return null}return this.parent.getChild(this.offset)||null}get nodeBefore(){if(this.parent.is("text")){return null}return this.parent.getChild(this.offset-1)||null}get isAtStart(){return this.offset===0}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;while(!(t instanceof al)){if(t.parent){t=t.parent}else{return null}}return t}getShiftedBy(t){const e=ul._createAt(this);const n=e.offset+t;e.offset=n<0?0:n;return e}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new dl(e);n.skip(t);return n.position}getAncestors(){if(this.parent.is("documentFragment")){return[this.parent]}else{return this.parent.getAncestors({includeSelf:true})}}getCommonAncestor(t){const e=this.getAncestors();const n=t.getAncestors();let i=0;while(e[i]==n[i]&&e[i]){i++}return i===0?null:e[i-1]}is(t){return t=="position"||t=="view:position"}isEqual(t){return this.parent==t.parent&&this.offset==t.offset}isBefore(t){return this.compareWith(t)=="before"}isAfter(t){return this.compareWith(t)=="after"}compareWith(t){if(this.root!==t.root){return"different"}if(this.isEqual(t)){return"same"}const e=this.parent.is("node")?this.parent.getPath():[];const n=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset);n.push(t.offset);const i=Os(e,n);switch(i){case"prefix":return"before";case"extension":return"after";default:return e[i]0?new this(n,i):new this(i,n)}static _createIn(t){return this._createFromParentsAndOffsets(t,0,t,t.childCount)}static _createOn(t){const e=t.is("textProxy")?t.offsetSize:1;return this._createFromPositionAndShift(ul._createBefore(t),e)}}function fl(t){if(t.item.is("attributeElement")||t.item.is("uiElement")){return true}return false}function ml(t){let e=0;for(const n of t){e++}return e}class gl{constructor(t=null,e,n){this._ranges=[];this._lastRangeBackward=false;this._isFake=false;this._fakeSelectionLabel="";this.setTo(t,e,n)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length){return null}const t=this._ranges[this._ranges.length-1];const e=this._lastRangeBackward?t.end:t.start;return e.clone()}get focus(){if(!this._ranges.length){return null}const t=this._ranges[this._ranges.length-1];const e=this._lastRangeBackward?t.start:t.end;return e.clone()}get isCollapsed(){return this.rangeCount===1&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){if(this.anchor){return this.anchor.editableElement}return null}*getRanges(){for(const t of this._ranges){yield t.clone()}}getFirstRange(){let t=null;for(const e of this._ranges){if(!t||e.start.isBefore(t.start)){t=e}}return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges){if(!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 false}if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel){return false}if(this.rangeCount!=t.rangeCount){return false}else if(this.rangeCount===0){return true}if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus)){return false}for(const e of this._ranges){let n=false;for(const i of t._ranges){if(e.isEqual(i)){n=true;break}}if(!n){return false}}return true}isSimilar(t){if(this.isBackward!=t.isBackward){return false}const e=ml(this.getRanges());const n=ml(t.getRanges());if(e!=n){return false}if(e==0){return true}for(let e of this.getRanges()){e=e.getTrimmed();let n=false;for(let i of t.getRanges()){i=i.getTrimmed();if(e.start.isEqual(i.start)&&e.end.isEqual(i.end)){n=true;break}}if(!n){return false}}return true}getSelectedElement(){if(this.rangeCount!==1){return null}const t=this.getFirstRange();let e=t.start.nodeAfter;let n=t.end.nodeBefore;if(t.start.parent.is("text")&&t.start.isAtEnd&&t.start.parent.nextSibling){e=t.start.parent.nextSibling}if(t.end.parent.is("text")&&t.end.isAtStart&&t.end.parent.previousSibling){n=t.end.parent.previousSibling}return e instanceof Lc&&e==n?e:null}setTo(t,e,n){if(t===null){this._setRanges([]);this._setFakeOptions(e)}else if(t instanceof gl||t instanceof pl){this._setRanges(t.getRanges(),t.isBackward);this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel})}else if(t instanceof hl){this._setRanges([t],e&&e.backward);this._setFakeOptions(e)}else if(t instanceof ul){this._setRanges([new hl(t)]);this._setFakeOptions(e)}else if(t instanceof Ls){const i=!!n&&!!n.backward;let o;if(e===undefined){throw new ss["b"]("view-selection-setTo-required-second-parameter: "+"selection.setTo requires the second parameter when the first parameter is a node.",this)}else if(e=="in"){o=hl._createIn(t)}else if(e=="on"){o=hl._createOn(t)}else{o=new hl(ul._createAt(t,e))}this._setRanges([o],i);this._setFakeOptions(n)}else if(Fs(t)){this._setRanges(t,e&&e.backward);this._setFakeOptions(e)}else{throw new ss["b"]("view-selection-setTo-not-selectable: Cannot set selection to given place.",this)}this.fire("change")}setFocus(t,e){if(this.anchor===null){throw new ss["b"]("view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",this)}const n=ul._createAt(t,e);if(n.compareWith(this.focus)=="same"){return}const i=this.anchor;this._ranges.pop();if(n.compareWith(i)=="before"){this._addRange(new hl(n,i),true)}else{this._addRange(new hl(i,n))}this.fire("change")}is(t){return t=="selection"||t=="view:selection"}_setRanges(t,e=false){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=false){if(!(t instanceof hl)){throw new ss["b"]("view-selection-add-range-not-range: "+"Selection range set to an object that is not an instance of view.Range",this)}this._pushRange(t);this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges){if(t.isIntersecting(e)){throw new ss["b"]("view-selection-range-intersects: Trying to add a range that intersects with another range from selection.",this,{addedRange:t,intersectingRange:e})}}this._ranges.push(new hl(t.start,t.end))}}vs(gl,ds);class pl{constructor(t=null,e,n){this._selection=new gl;this._selection.delegate("change").to(this);this._selection.setTo(t,e,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(t){return this._selection.isEqual(t)}isSimilar(t){return this._selection.isSimilar(t)}is(t){return t=="selection"||t=="documentSelection"||t=="view:selection"||t=="view:documentSelection"}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}vs(pl,ds);class bl{constructor(){this.selection=new pl;this.roots=new ys({idProperty:"rootName"});this.set("isReadOnly",false);this.set("isFocused",false);this.set("isComposing",false);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()}addStyleProcessorRules(t){t(Nc._styleProcessor)}_callPostFixers(t){let e=false;do{for(const n of this._postFixers){e=n(t);if(e){break}}}while(e)}}vs(bl,Qc);const wl=10;class kl extends Lc{constructor(t,e,n){super(t,e,n);this.getFillerOffset=_l;this._priority=wl;this._id=null;this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(this.id===null){throw new ss["b"]("attribute-element-get-elements-with-same-id-no-id: "+"Cannot get elements with the same id for an attribute element without id.",this)}return new Set(this._clonesGroup)}is(t,e=null){const n=t&&t.replace(/^view:/,"");if(!e){return n=="attributeElement"||super.is(t)}else{return n=="attributeElement"&&e==this.name||super.is(t,e)}}isSimilar(t){if(this.id!==null||t.id!==null){return this.id===t.id}return super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);e._priority=this._priority;e._id=this._id;return e}}kl.DEFAULT_PRIORITY=wl;function _l(){if(vl(this)){return null}let t=this.parent;while(t&&t.is("attributeElement")){if(vl(t)>1){return null}t=t.parent}if(!t||vl(t)>1){return null}return this.childCount}function vl(t){return Array.from(t.getChildren()).filter(t=>!t.is("uiElement")).length}class yl extends Lc{constructor(t,e,n){super(t,e,n);this.getFillerOffset=xl}is(t,e=null){const n=t.replace(/^view:/,"");if(!e){return n=="emptyElement"||super.is(t)}else{return n=="emptyElement"&&e==this.name||super.is(t,e)}}_insertChild(t,e){if(e&&(e instanceof Ls||Array.from(e).length>0)){throw new ss["b"]("view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.",[this,e])}}}function xl(){return null}const Cl=navigator.userAgent.toLowerCase();const Al={isMac:Pl(Cl),isEdge:Sl(Cl),isGecko:Ml(Cl),isSafari:El(Cl),isAndroid:Il(Cl),features:{isRegExpUnicodePropertySupported:Nl()}};var Tl=Al;function Pl(t){return t.indexOf("macintosh")>-1}function Sl(t){return!!t.match(/edge\/(\d+.?\d*)/)}function Ml(t){return!!t.match(/gecko\/\d+/)}function El(t){return t.indexOf(" applewebkit/")>-1&&t.indexOf("chrome")===-1}function Il(t){return t.indexOf("android")>-1}function Nl(){let t=false;try{t="ć".search(new RegExp("[\\p{L}]","u"))===0}catch(t){}return t}const Ol={"⌘":"ctrl","⇧":"shift","⌥":"alt"};const Rl={ctrl:"⌘",shift:"⇧",alt:"⌥"};const Vl=zl();function Dl(t){let e;if(typeof t=="string"){e=Vl[t.toLowerCase()];if(!e){throw new ss["b"]("keyboard-unknown-key: Unknown key name.",null,{key:t})}}else{e=t.keyCode+(t.altKey?Vl.alt:0)+(t.ctrlKey?Vl.ctrl:0)+(t.shiftKey?Vl.shift:0)}return e}function Ll(t){if(typeof t=="string"){t=Bl(t)}return t.map(t=>typeof t=="string"?Dl(t):t).reduce((t,e)=>e+t,0)}function jl(t){if(!Tl.isMac){return t}return Bl(t).map(t=>Rl[t.toLowerCase()]||t).reduce((t,e)=>{if(t.slice(-1)in Ol){return t+e}else{return t+"+"+e}})}function zl(){const t={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let e=65;e<=90;e++){const n=String.fromCharCode(e);t[n.toLowerCase()]=e}for(let e=48;e<=57;e++){t[e-48]=e}for(let e=112;e<=123;e++){t["f"+(e-111)]=e}return t}function Bl(t){return t.split(/\s*\+\s*/)}class Fl extends Lc{constructor(t,e,n){super(t,e,n);this.getFillerOffset=Ul}is(t,e=null){const n=t.replace(/^view:/,"");if(!e){return n=="uiElement"||super.is(t)}else{return n=="uiElement"&&e==this.name||super.is(t,e)}}_insertChild(t,e){if(e&&(e instanceof Ls||Array.from(e).length>0)){throw new ss["b"]("view-uielement-cannot-add: Cannot add child nodes to UIElement instance.",this)}}render(t){return this.toDomElement(t)}toDomElement(t){const e=t.createElement(this.name);for(const t of this.getAttributeKeys()){e.setAttribute(t,this.getAttribute(t))}return e}}function Hl(t){t.document.on("keydown",(e,n)=>Wl(e,n,t.domConverter))}function Ul(){return null}function Wl(t,e,n){if(e.keyCode==Vl.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection();const i=t.rangeCount==1&&t.getRangeAt(0).collapsed;if(i||e.shiftKey){const e=t.focusNode;const o=t.focusOffset;const r=n.domPositionToView(e,o);if(r===null){return}let s=false;const a=r.getLastMatchingPosition(t=>{if(t.item.is("uiElement")){s=true}if(t.item.is("uiElement")||t.item.is("attributeElement")){return true}return false});if(s){const e=n.viewPositionToDom(a);if(i){t.collapse(e.parent,e.offset)}else{t.extend(e.parent,e.offset)}}}}}class ql{constructor(t){this._children=[];if(t){this._insertChild(0,t)}}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return this.childCount===0}get root(){return this}get parent(){return null}is(t){return t=="documentFragment"||t=="view:documentFragment"}_appendChild(t){return this._insertChild(this.childCount,t)}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}_insertChild(t,e){this._fireChange("children",this);let n=0;const i=$l(e);for(const e of i){if(e.parent!==null){e._remove()}e.parent=this;this._children.splice(t,0,e);t++;n++}return n}_removeChildren(t,e=1){this._fireChange("children",this);for(let n=t;n{if(typeof t=="string"){return new js(t)}if(t instanceof zs){return new js(t.data)}return t})}class Gl{constructor(t){this.document=t;this._cloneGroups=new Map}setSelection(t,e,n){this.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this.document.selection._setFocus(t,e)}createText(t){return new js(t)}createAttributeElement(t,e,n={}){const i=new kl(t,e);if(n.priority){i._priority=n.priority}if(n.id){i._id=n.id}return i}createContainerElement(t,e){return new Fc(t,e)}createEditableElement(t,e){const n=new al(t,e);n._document=this.document;return n}createEmptyElement(t,e){return new yl(t,e)}createUIElement(t,e,n){const i=new Fl(t,e);if(n){i.render=n}return i}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){if(R(t)&&n===undefined){n=e}n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}breakAttributes(t){if(t instanceof ul){return this._breakAttributes(t)}else{return this._breakAttributesRange(t)}}breakContainer(t){const e=t.parent;if(!e.is("containerElement")){throw new ss["b"]("view-writer-break-non-container-element: Trying to break an element which is not a container element.",this.document)}if(!e.parent){throw new ss["b"]("view-writer-break-root: Trying to break root element.",this.document)}if(t.isAtStart){return ul._createBefore(e)}else if(!t.isAtEnd){const n=e._clone(false);this.insert(ul._createAfter(e),n);const i=new hl(t,ul._createAt(e,"end"));const o=new ul(n,0);this.move(i,o)}return ul._createAfter(e)}mergeAttributes(t){const e=t.offset;const n=t.parent;if(n.is("text")){return t}if(n.is("attributeElement")&&n.childCount===0){const t=n.parent;const e=n.index;n._remove();this._removeFromClonedElementsGroup(n);return this.mergeAttributes(new ul(t,e))}const i=n.getChild(e-1);const o=n.getChild(e);if(!i||!o){return t}if(i.is("text")&&o.is("text")){return Xl(i,o)}else if(i.is("attributeElement")&&o.is("attributeElement")&&i.isSimilar(o)){const t=i.childCount;i._appendChild(o.getChildren());o._remove();this._removeFromClonedElementsGroup(o);return this.mergeAttributes(new ul(i,t))}return t}mergeContainers(t){const e=t.nodeBefore;const n=t.nodeAfter;if(!e||!n||!e.is("containerElement")||!n.is("containerElement")){throw new ss["b"]("view-writer-merge-containers-invalid-position: "+"Element before and after given position cannot be merged.",this.document)}const i=e.getChild(e.childCount-1);const o=i instanceof js?ul._createAt(i,"end"):ul._createAt(e,"end");this.move(hl._createIn(n),ul._createAt(e,"end"));this.remove(hl._createOn(n));return o}insert(t,e){e=Fs(e)?[...e]:[e];td(e,this.document);const n=Ql(t);if(!n){throw new ss["b"]("view-writer-invalid-position-container",this.document)}const i=this._breakAttributes(t,true);const o=n._insertChild(i.offset,e);for(const t of e){this._addToClonedElementsGroup(t)}const r=i.getShiftedBy(o);const s=this.mergeAttributes(i);if(o===0){return new hl(s,s)}else{if(!s.isEqual(i)){r.offset--}const t=this.mergeAttributes(r);return new hl(s,t)}}remove(t){const e=t instanceof hl?t:hl._createOn(t);id(e,this.document);if(e.isCollapsed){return new ql}const{start:n,end:i}=this._breakAttributesRange(e,true);const o=n.parent;const r=i.offset-n.offset;const s=o._removeChildren(n.offset,r);for(const t of s){this._removeFromClonedElementsGroup(t)}const a=this.mergeAttributes(n);e.start=a;e.end=a.clone();return new ql(s)}clear(t,e){id(t,this.document);const n=t.getWalker({direction:"backward",ignoreElementEnd:true});for(const i of n){const n=i.item;let o;if(n.is("element")&&e.isSimilar(n)){o=hl._createOn(n)}else if(!i.nextPosition.isAfter(t.start)&&n.is("textProxy")){const t=n.getAncestors().find(t=>t.is("element")&&e.isSimilar(t));if(t){o=hl._createIn(t)}}if(o){if(o.end.isAfter(t.end)){o.end=t.end}if(o.start.isBefore(t.start)){o.start=t.start}this.remove(o)}}}move(t,e){let n;if(e.isAfter(t.end)){e=this._breakAttributes(e,true);const i=e.parent;const o=i.childCount;t=this._breakAttributesRange(t,true);n=this.remove(t);e.offset+=i.childCount-o}else{n=this.remove(t)}return this.insert(e,n)}wrap(t,e){if(!(e instanceof kl)){throw new ss["b"]("view-writer-wrap-invalid-attribute",this.document)}id(t,this.document);if(!t.isCollapsed){return this._wrapRange(t,e)}else{let n=t.start;if(n.parent.is("element")&&!Yl(n.parent)){n=n.getLastMatchingPosition(t=>t.item.is("uiElement"))}n=this._wrapPosition(n,e);const i=this.document.selection;if(i.isCollapsed&&i.getFirstPosition().isEqual(t.start)){this.setSelection(n)}return new hl(n)}}unwrap(t,e){if(!(e instanceof kl)){throw new ss["b"]("view-writer-unwrap-invalid-attribute",this.document)}id(t,this.document);if(t.isCollapsed){return t}const{start:n,end:i}=this._breakAttributesRange(t,true);const o=n.parent;const r=this._unwrapChildren(o,n.offset,i.offset,e);const s=this.mergeAttributes(r.start);if(!s.isEqual(r.start)){r.end.offset--}const a=this.mergeAttributes(r.end);return new hl(s,a)}rename(t,e){const n=new Fc(t,e.getAttributes());this.insert(ul._createAfter(e),n);this.move(hl._createIn(e),ul._createAt(n,0));this.remove(hl._createOn(e));return n}clearClonedElementsGroup(t){this._cloneGroups.delete(t)}createPositionAt(t,e){return ul._createAt(t,e)}createPositionAfter(t){return ul._createAfter(t)}createPositionBefore(t){return ul._createBefore(t)}createRange(t,e){return new hl(t,e)}createRangeOn(t){return hl._createOn(t)}createRangeIn(t){return hl._createIn(t)}createSelection(t,e,n){return new gl(t,e,n)}_wrapChildren(t,e,n,i){let o=e;const r=[];while(ofalse;t.parent._insertChild(t.offset,n);const i=new hl(t,t.getShiftedBy(1));this.wrap(i,e);const o=new ul(n.parent,n.index);n._remove();const r=o.nodeBefore;const s=o.nodeAfter;if(r instanceof js&&s instanceof js){return Xl(r,s)}return Jl(o)}_wrapAttributeElement(t,e){if(!od(t,e)){return false}if(t.name!==e.name||t.priority!==e.priority){return false}for(const n of t.getAttributeKeys()){if(n==="class"||n==="style"){continue}if(e.hasAttribute(n)&&e.getAttribute(n)!==t.getAttribute(n)){return false}}for(const n of t.getStyleNames()){if(e.hasStyle(n)&&e.getStyle(n)!==t.getStyle(n)){return false}}for(const n of t.getAttributeKeys()){if(n==="class"||n==="style"){continue}if(!e.hasAttribute(n)){this.setAttribute(n,t.getAttribute(n),e)}}for(const n of t.getStyleNames()){if(!e.hasStyle(n)){this.setStyle(n,t.getStyle(n),e)}}for(const n of t.getClassNames()){if(!e.hasClass(n)){this.addClass(n,e)}}return true}_unwrapAttributeElement(t,e){if(!od(t,e)){return false}if(t.name!==e.name||t.priority!==e.priority){return false}for(const n of t.getAttributeKeys()){if(n==="class"||n==="style"){continue}if(!e.hasAttribute(n)||e.getAttribute(n)!==t.getAttribute(n)){return false}}if(!e.hasClass(...t.getClassNames())){return false}for(const n of t.getStyleNames()){if(!e.hasStyle(n)||e.getStyle(n)!==t.getStyle(n)){return false}}for(const n of t.getAttributeKeys()){if(n==="class"||n==="style"){continue}this.removeAttribute(n,e)}this.removeClass(Array.from(t.getClassNames()),e);this.removeStyle(Array.from(t.getStyleNames()),e);return true}_breakAttributesRange(t,e=false){const n=t.start;const i=t.end;id(t,this.document);if(t.isCollapsed){const n=this._breakAttributes(t.start,e);return new hl(n,n)}const o=this._breakAttributes(i,e);const r=o.parent.childCount;const s=this._breakAttributes(n,e);o.offset+=o.parent.childCount-r;return new hl(s,o)}_breakAttributes(t,e=false){const n=t.offset;const i=t.parent;if(t.parent.is("emptyElement")){throw new ss["b"]("view-writer-cannot-break-empty-element",this.document)}if(t.parent.is("uiElement")){throw new ss["b"]("view-writer-cannot-break-ui-element",this.document)}if(!e&&i.is("text")&&nd(i.parent)){return t.clone()}if(nd(i)){return t.clone()}if(i.is("text")){return this._breakAttributes(Zl(t),e)}const o=i.childCount;if(n==o){const t=new ul(i.parent,i.index+1);return this._breakAttributes(t,e)}else{if(n===0){const t=new ul(i.parent,i.index);return this._breakAttributes(t,e)}else{const t=i.index+1;const o=i._clone();i.parent._insertChild(t,o);this._addToClonedElementsGroup(o);const r=i.childCount-n;const s=i._removeChildren(n,r);o._appendChild(s);const a=new ul(i.parent,t);return this._breakAttributes(a,e)}}}_addToClonedElementsGroup(t){if(!t.root.is("rootElement")){return}if(t.is("element")){for(const e of t.getChildren()){this._addToClonedElementsGroup(e)}}const e=t.id;if(!e){return}let n=this._cloneGroups.get(e);if(!n){n=new Set;this._cloneGroups.set(e,n)}n.add(t);t._clonesGroup=n}_removeFromClonedElementsGroup(t){if(t.is("element")){for(const e of t.getChildren()){this._removeFromClonedElementsGroup(e)}}const e=t.id;if(!e){return}const n=this._cloneGroups.get(e);if(!n){return}n.delete(t)}}function Yl(t){return Array.from(t.getChildren()).some(t=>!t.is("uiElement"))}function Ql(t){let e=t.parent;while(!nd(e)){if(!e){return undefined}e=e.parent}return e}function Kl(t,e){if(t.prioritye.priority){return false}return t.getIdentity()n instanceof t)){throw new ss["b"]("view-writer-insert-invalid-node",e)}if(!n.is("text")){td(n.getChildren(),e)}}}const ed=[js,kl,Fc,yl,Fl];function nd(t){return t&&(t.is("containerElement")||t.is("documentFragment"))}function id(t,e){const n=Ql(t.start);const i=Ql(t.end);if(!n||!i||n!==i){throw new ss["b"]("view-writer-invalid-range-container",e)}}function od(t,e){return t.id===null&&e.id===null}function rd(t){return Object.prototype.toString.call(t)=="[object Text]"}const sd=t=>t.createTextNode(" ");const ad=t=>{const e=t.createElement("br");e.dataset.ckeFiller=true;return e};const cd=7;const ld=(()=>{let t="";for(let e=0;e0){n.push({index:i,type:"insert",values:t.slice(i,r)})}if(o-i>0){n.push({index:i+(r-i),type:"delete",howMany:o-i})}return n}function _d(t,e){const{firstIndex:n,lastIndexOld:i,lastIndexNew:o}=t;if(n===-1){return Array(e).fill("equal")}let r=[];if(n>0){r=r.concat(Array(n).fill("equal"))}if(o-n>0){r=r.concat(Array(o-n).fill("insert"))}if(i-n>0){r=r.concat(Array(i-n).fill("delete"))}if(o200||o>200||i+o>300){return vd.fastDiff(t,e,n,true)}let r,s;if(ol?-1:1;if(d[i+h]){d[i]=d[i+h].slice(0)}if(!d[i]){d[i]=[]}d[i].push(o>l?r:s);let f=Math.max(o,l);let m=f-i;while(ml;m--){u[m]=h(m)}u[l]=h(l);f++}while(u[l]!==c);return d[l].slice(1)}vd.fastDiff=gd;function yd(t,e,n){t.insertBefore(n,t.childNodes[e]||null)}function xd(t){const e=t.parentNode;if(e){e.removeChild(t)}}function Cd(t){if(t){if(t.defaultView){return t instanceof t.defaultView.Document}else if(t.ownerDocument&&t.ownerDocument.defaultView){return t instanceof t.ownerDocument.defaultView.Node}}return false}class Ad{constructor(t,e){this.domDocuments=new Set;this.domConverter=t;this.markedAttributes=new Set;this.markedChildren=new Set;this.markedTexts=new Set;this.selection=e;this.isFocused=false;this._inlineFiller=null;this._fakeSelectionContainer=null}markToSync(t,e){if(t==="text"){if(this.domConverter.mapViewToDom(e.parent)){this.markedTexts.add(e)}}else{if(!this.domConverter.mapViewToDom(e)){return}if(t==="attributes"){this.markedAttributes.add(e)}else if(t==="children"){this.markedChildren.add(e)}else{throw new ss["b"]("view-renderer-unknown-type: Unknown type passed to Renderer.markToSync.",this)}}}render(){let t;for(const t of this.markedChildren){this._updateChildrenMappings(t)}if(this._inlineFiller&&!this._isSelectionInInlineFiller()){this._removeInlineFiller()}if(this._inlineFiller){t=this._getInlineFillerPosition()}else if(this._needsInlineFillerAtSelection()){t=this.selection.getFirstPosition();this.markedChildren.add(t.parent)}for(const t of this.markedAttributes){this._updateAttrs(t)}for(const e of this.markedChildren){this._updateChildren(e,{inlineFillerPosition:t})}for(const e of this.markedTexts){if(!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)){this._updateText(e,{inlineFillerPosition:t})}}if(t){const e=this.domConverter.viewPositionToDom(t);const n=e.parent.ownerDocument;if(!dd(e.parent)){this._inlineFiller=Pd(n,e.parent,e.offset)}else{this._inlineFiller=e.parent}}else{this._inlineFiller=null}this._updateSelection();this._updateFocus();this.markedTexts.clear();this.markedAttributes.clear();this.markedChildren.clear()}_updateChildrenMappings(t){const e=this.domConverter.mapViewToDom(t);if(!e){return}const n=this.domConverter.mapViewToDom(t).childNodes;const i=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:false}));const o=this._diffNodeLists(n,i);const r=this._findReplaceActions(o,n,i);if(r.indexOf("replace")!==-1){const e={equal:0,insert:0,delete:0};for(const o of r){if(o==="replace"){const o=e.equal+e.insert;const r=e.equal+e.delete;const s=t.getChild(o);if(s&&!s.is("uiElement")){this._updateElementMappings(s,n[r])}xd(i[o]);e.equal++}else{e[o]++}}}}_updateElementMappings(t,e){this.domConverter.unbindDomElement(e);this.domConverter.bindElements(e,t);this.markedChildren.add(t);this.markedAttributes.add(t)}_getInlineFillerPosition(){const t=this.selection.getFirstPosition();if(t.parent.is("text")){return ul._createBefore(this.selection.getFirstPosition().parent)}else{return t}}_isSelectionInInlineFiller(){if(this.selection.rangeCount!=1||!this.selection.isCollapsed){return false}const t=this.selection.getFirstPosition();const e=this.domConverter.viewPositionToDom(t);if(e&&rd(e.parent)&&dd(e.parent)){return true}return false}_removeInlineFiller(){const t=this._inlineFiller;if(!dd(t)){throw new ss["b"]("view-renderer-filler-was-lost: The inline filler node was lost.",this)}if(ud(t)){t.parentNode.removeChild(t)}else{t.data=t.data.substr(cd)}this._inlineFiller=null}_needsInlineFillerAtSelection(){if(this.selection.rangeCount!=1||!this.selection.isCollapsed){return false}const t=this.selection.getFirstPosition();const e=t.parent;const n=t.offset;if(!this.domConverter.mapViewToDom(e.root)){return false}if(!e.is("element")){return false}if(!Td(e)){return false}if(n===e.getFillerOffset()){return false}const i=t.nodeBefore;const o=t.nodeAfter;if(i instanceof js||o instanceof js){return false}return true}_updateText(t,e){const n=this.domConverter.findCorrespondingDomText(t);const i=this.domConverter.viewToDom(t,n.ownerDocument);const o=n.data;let r=i.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index){r=ld+r}if(o!=r){const t=gd(o,r);for(const e of t){if(e.type==="insert"){n.insertData(e.index,e.values.join(""))}else{n.deleteData(e.index,e.howMany)}}}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e){return}const n=Array.from(e.attributes).map(t=>t.name);const i=t.getAttributeKeys();for(const n of i){e.setAttribute(n,t.getAttribute(n))}for(const i of n){if(!t.hasAttribute(i)){e.removeAttribute(i)}}}_updateChildren(t,e){const n=this.domConverter.mapViewToDom(t);if(!n){return}const i=e.inlineFillerPosition;const o=this.domConverter.mapViewToDom(t).childNodes;const r=Array.from(this.domConverter.viewChildrenToDom(t,n.ownerDocument,{bind:true,inlineFillerPosition:i}));if(i&&i.parent===t){Pd(n.ownerDocument,r,i.offset)}const s=this._diffNodeLists(o,r);let a=0;const c=new Set;for(const t of s){if(t==="insert"){yd(n,a,r[a]);a++}else if(t==="delete"){c.add(o[a]);xd(o[a])}else{this._markDescendantTextToSync(this.domConverter.domToView(r[a]));a++}}for(const t of c){if(!t.parentNode){this.domConverter.unbindDomElement(t)}}}_diffNodeLists(t,e){t=Id(t,this._fakeSelectionContainer);return vd(t,e,Md.bind(null,this.domConverter))}_findReplaceActions(t,e,n){if(t.indexOf("insert")===-1||t.indexOf("delete")===-1){return t}let i=[];let o=[];let r=[];const s={equal:0,insert:0,delete:0};for(const a of t){if(a==="insert"){r.push(n[s.equal+s.insert])}else if(a==="delete"){o.push(e[s.equal+s.delete])}else{i=i.concat(vd(o,r,Sd).map(t=>t==="equal"?"replace":t));i.push("equal");o=[];r=[]}s[a]++}return i.concat(vd(o,r,Sd).map(t=>t==="equal"?"replace":t))}_markDescendantTextToSync(t){if(!t){return}if(t.is("text")){this.markedTexts.add(t)}else if(t.is("element")){for(const e of t.getChildren()){this._markDescendantTextToSync(e)}}}_updateSelection(){if(this.selection.rangeCount===0){this._removeDomSelection();this._removeFakeSelection();return}const t=this.domConverter.mapViewToDom(this.selection.editableElement);if(!this.isFocused||!t){return}if(this.selection.isFake){this._updateFakeSelection(t)}else{this._removeFakeSelection();this._updateDomSelection(t)}}_updateFakeSelection(t){const e=t.ownerDocument;if(!this._fakeSelectionContainer){this._fakeSelectionContainer=Nd(e)}const n=this._fakeSelectionContainer;this.domConverter.bindFakeSelection(n,this.selection);if(!this._fakeSelectionNeedsUpdate(t)){return}if(!n.parentElement||n.parentElement!=t){t.appendChild(n)}n.textContent=this.selection.fakeSelectionLabel||" ";const i=e.getSelection();const o=e.createRange();i.removeAllRanges();o.selectNodeContents(n);i.addRange(o)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e)){return}const n=this.domConverter.viewPositionToDom(this.selection.anchor);const i=this.domConverter.viewPositionToDom(this.selection.focus);t.focus();e.collapse(n.parent,n.offset);e.extend(i.parent,i.offset);if(Tl.isGecko){Ed(i,e)}}_domSelectionNeedsUpdate(t){if(!this.domConverter.isDomSelectionCorrect(t)){return true}const e=t&&this.domConverter.domSelectionToView(t);if(e&&this.selection.isEqual(e)){return false}if(!this.selection.isCollapsed&&this.selection.isSimilar(e)){return false}return true}_fakeSelectionNeedsUpdate(t){const e=this._fakeSelectionContainer;const n=t.ownerDocument.getSelection();if(!e||e.parentElement!==t){return true}if(n.anchorNode!==e&&!e.contains(n.anchorNode)){return true}return e.textContent!==this.selection.fakeSelectionLabel}_removeDomSelection(){for(const t of this.domDocuments){const e=t.getSelection();if(e.rangeCount){const e=t.activeElement;const n=this.domConverter.mapDomToView(e);if(e&&n){t.getSelection().removeAllRanges()}}}}_removeFakeSelection(){const t=this._fakeSelectionContainer;if(t){t.remove()}}_updateFocus(){if(this.isFocused){const t=this.selection.editableElement;if(t){this.domConverter.focus(t)}}}}vs(Ad,Qc);function Td(t){if(t.getAttribute("contenteditable")=="false"){return false}const e=t.findAncestor(t=>t.hasAttribute("contenteditable"));return!e||e.getAttribute("contenteditable")=="true"}function Pd(t,e,n){const i=e instanceof Array?e:e.childNodes;const o=i[n];if(rd(o)){o.data=ld+o.data;return o}else{const o=t.createTextNode(ld);if(Array.isArray(e)){i.splice(n,0,o)}else{yd(e,n,o)}return o}}function Sd(t,e){return Cd(t)&&Cd(e)&&!rd(t)&&!rd(e)&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}function Md(t,e,n){if(e===n){return true}else if(rd(e)&&rd(n)){return e.data===n.data}else if(t.isBlockFiller(e)&&t.isBlockFiller(n)){return true}return false}function Ed(t,e){const n=t.parent;if(n.nodeType!=Node.ELEMENT_NODE||t.offset!=n.childNodes.length-1){return}const i=n.childNodes[t.offset];if(i&&i.tagName=="BR"){e.addRange(e.getRangeAt(0))}}function Id(t,e){const n=Array.from(t);if(n.length==0||!e){return n}const i=n[n.length-1];if(i==e){n.pop()}return n}function Nd(t){const e=t.createElement("div");Object.assign(e.style,{position:"fixed",top:0,left:"-9999px",width:"42px"});e.textContent=" ";return e}var Od={window:window,document:document};function Rd(t){let e=0;while(t.previousSibling){t=t.previousSibling;e++}return e}function Vd(t){const e=[];while(t&&t.nodeType!=Node.DOCUMENT_NODE){e.unshift(t);t=t.parentNode}return e}function Dd(t,e){const n=Vd(t);const i=Vd(e);let o=0;while(n[o]==i[o]&&n[o]){o++}return o===0?null:n[o-1]}const Ld=ad(document);class jd{constructor(t={}){this.blockFillerMode=t.blockFillerMode||"br";this.preElements=["pre"];this.blockElements=["p","div","h1","h2","h3","h4","h5","h6","li","dd","dt","figcaption"];this._blockFiller=this.blockFillerMode=="br"?ad:sd;this._domToViewMapping=new WeakMap;this._viewToDomMapping=new WeakMap;this._fakeSelectionMapping=new WeakMap}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new gl(e))}fakeSelectionToView(t){return this._fakeSelectionMapping.get(t)}bindElements(t,e){this._domToViewMapping.set(t,e);this._viewToDomMapping.set(e,t)}unbindDomElement(t){const e=this._domToViewMapping.get(t);if(e){this._domToViewMapping.delete(t);this._viewToDomMapping.delete(e);for(const e of Array.from(t.childNodes)){this.unbindDomElement(e)}}}bindDocumentFragments(t,e){this._domToViewMapping.set(t,e);this._viewToDomMapping.set(e,t)}viewToDom(t,e,n={}){if(t.is("text")){const n=this._processDataFromViewText(t);return e.createTextNode(n)}else{if(this.mapViewToDom(t)){return this.mapViewToDom(t)}let i;if(t.is("documentFragment")){i=e.createDocumentFragment();if(n.bind){this.bindDocumentFragments(i,t)}}else if(t.is("uiElement")){i=t.render(e);if(n.bind){this.bindElements(i,t)}return i}else{if(t.hasAttribute("xmlns")){i=e.createElementNS(t.getAttribute("xmlns"),t.name)}else{i=e.createElement(t.name)}if(n.bind){this.bindElements(i,t)}for(const e of t.getAttributeKeys()){i.setAttribute(e,t.getAttribute(e))}}if(n.withChildren||n.withChildren===undefined){for(const o of this.viewChildrenToDom(t,e,n)){i.appendChild(o)}}return i}}*viewChildrenToDom(t,e,n={}){const i=t.getFillerOffset&&t.getFillerOffset();let o=0;for(const r of t.getChildren()){if(i===o){yield this._blockFiller(e)}yield this.viewToDom(r,e,n);o++}if(i===o){yield this._blockFiller(e)}}viewRangeToDom(t){const e=this.viewPositionToDom(t.start);const n=this.viewPositionToDom(t.end);const i=document.createRange();i.setStart(e.parent,e.offset);i.setEnd(n.parent,n.offset);return i}viewPositionToDom(t){const e=t.parent;if(e.is("text")){const n=this.findCorrespondingDomText(e);if(!n){return null}let i=t.offset;if(dd(n)){i+=cd}return{parent:n,offset:i}}else{let n,i,o;if(t.offset===0){n=this.mapViewToDom(e);if(!n){return null}o=n.childNodes[0]}else{const e=t.nodeBefore;i=e.is("text")?this.findCorrespondingDomText(e):this.mapViewToDom(t.nodeBefore);if(!i){return null}n=i.parentNode;o=i.nextSibling}if(rd(o)&&dd(o)){return{parent:o,offset:cd}}const r=i?Rd(i)+1:0;return{parent:n,offset:r}}}domToView(t,e={}){if(this.isBlockFiller(t,this.blockFillerMode)){return null}const n=this.getParentUIElement(t,this._domToViewMapping);if(n){return n}if(rd(t)){if(ud(t)){return null}else{const e=this._processDataFromDomText(t);return e===""?null:new js(e)}}else if(this.isComment(t)){return null}else{if(this.mapDomToView(t)){return this.mapDomToView(t)}let n;if(this.isDocumentFragment(t)){n=new ql;if(e.bind){this.bindDocumentFragments(t,n)}}else{const i=e.keepOriginalCase?t.tagName:t.tagName.toLowerCase();n=new Lc(i);if(e.bind){this.bindElements(t,n)}const o=t.attributes;for(let t=o.length-1;t>=0;t--){n._setAttribute(o[t].name,o[t].value)}}if(e.withChildren||e.withChildren===undefined){for(const i of this.domChildrenToView(t,e)){n._appendChild(i)}}return n}}*domChildrenToView(t,e={}){for(let n=0;n{const{scrollLeft:e,scrollTop:n}=t;i.push([e,n])});e.focus();Bd(e,t=>{const[e,n]=i.shift();t.scrollLeft=e;t.scrollTop=n});Od.window.scrollTo(t,n)}}isElement(t){return t&&t.nodeType==Node.ELEMENT_NODE}isDocumentFragment(t){return t&&t.nodeType==Node.DOCUMENT_FRAGMENT_NODE}isComment(t){return t&&t.nodeType==Node.COMMENT_NODE}isBlockFiller(t){if(this.blockFillerMode=="br"){return t.isEqualNode(Ld)}if(t.tagName==="BR"&&Hd(t,this.blockElements)&&t.parentNode.childNodes.length===1){return true}return Fd(t,this.blockElements)}isDomSelectionBackward(t){if(t.isCollapsed){return false}const e=document.createRange();e.setStart(t.anchorNode,t.anchorOffset);e.setEnd(t.focusNode,t.focusOffset);const n=e.collapsed;e.detach();return n}getParentUIElement(t){const e=Vd(t);e.pop();while(e.length){const t=e.pop();const n=this._domToViewMapping.get(t);if(n&&n.is("uiElement")){return n}}return null}isDomSelectionCorrect(t){return this._isDomSelectionPositionCorrect(t.anchorNode,t.anchorOffset)&&this._isDomSelectionPositionCorrect(t.focusNode,t.focusOffset)}_isDomSelectionPositionCorrect(t,e){if(rd(t)&&dd(t)&&ethis.preElements.includes(t.name))){return e}if(e.charAt(0)==" "){const n=this._getTouchingViewTextNode(t,false);const i=n&&this._nodeEndsWithSpace(n);if(i||!n){e=" "+e.substr(1)}}if(e.charAt(e.length-1)==" "){const n=this._getTouchingViewTextNode(t,true);if(e.charAt(e.length-2)==" "||!n||n.data.charAt(0)==" "){e=e.substr(0,e.length-1)+" "}}return e.replace(/ {2}/g,"  ")}_nodeEndsWithSpace(t){if(t.getAncestors().some(t=>this.preElements.includes(t.name))){return false}const e=this._processDataFromViewText(t);return e.charAt(e.length-1)==" "}_processDataFromDomText(t){let e=t.data;if(zd(t,this.preElements)){return hd(t)}e=e.replace(/[ \n\t\r]{1,}/g," ");const n=this._getTouchingInlineDomNode(t,false);const i=this._getTouchingInlineDomNode(t,true);const o=this._checkShouldLeftTrimDomText(n);const r=this._checkShouldRightTrimDomText(t,i);if(o){e=e.replace(/^ /,"")}if(r){e=e.replace(/ $/,"")}e=hd(new Text(e));e=e.replace(/ \u00A0/g," ");if(/( |\u00A0)\u00A0$/.test(e)||!i||i.data&&i.data.charAt(0)==" "){e=e.replace(/\u00A0$/," ")}if(o){e=e.replace(/^\u00A0/," ")}return e}_checkShouldLeftTrimDomText(t){if(!t){return true}if(Yr(t)){return true}return/[^\S\u00A0]/.test(t.data.charAt(t.data.length-1))}_checkShouldRightTrimDomText(t,e){if(e){return false}return!dd(t)}_getTouchingViewTextNode(t,e){const n=new dl({startPosition:e?ul._createAfter(t):ul._createBefore(t),direction:e?"forward":"backward"});for(const t of n){if(t.item.is("containerElement")){return null}else if(t.item.is("br")){return null}else if(t.item.is("textProxy")){return t.item}}return null}_getTouchingInlineDomNode(t,e){if(!t.parentNode){return null}const n=e?"nextNode":"previousNode";const i=t.ownerDocument;const o=Vd(t)[0];const r=i.createTreeWalker(o,NodeFilter.SHOW_TEXT|NodeFilter.SHOW_ELEMENT,{acceptNode(t){if(rd(t)){return NodeFilter.FILTER_ACCEPT}if(t.tagName=="BR"){return NodeFilter.FILTER_ACCEPT}return NodeFilter.FILTER_SKIP}});r.currentNode=t;const s=r[n]();if(s!==null){const e=Dd(t,s);if(e&&!zd(t,this.blockElements,e)&&!zd(s,this.blockElements,e)){return s}}return null}}function zd(t,e,n){let i=Vd(t);if(n){i=i.slice(i.indexOf(n)+1)}return i.some(t=>t.tagName&&e.includes(t.tagName.toLowerCase()))}function Bd(t,e){while(t&&t!=Od.document){e(t);t=t.parentNode}}function Fd(t,e){const n=rd(t)&&t.data==" ";return n&&Hd(t,e)&&t.parentNode.childNodes.length===1}function Hd(t,e){const n=t.parentNode;return n&&n.tagName&&e.includes(n.tagName.toLowerCase())}function Ud(t){const e=Object.prototype.toString.apply(t);if(e=="[object Window]"){return true}if(e=="[object global]"){return true}return false}const Wd=Wc({},ds,{listenTo(t,...e){if(Cd(t)||Ud(t)){const n=this._getProxyEmitter(t)||new $d(t);n.attach(...e);t=n}ds.listenTo.call(this,t,...e)},stopListening(t,e,n){if(Cd(t)||Ud(t)){const e=this._getProxyEmitter(t);if(!e){return}t=e}ds.stopListening.call(this,t,e,n);if(t instanceof $d){t.detach(e)}},_getProxyEmitter(t){return us(this,Gd(t))}});var qd=Wd;class $d{constructor(t){hs(this,Gd(t));this._domNode=t}}Wc($d.prototype,ds,{attach(t,e,n={}){if(this._domListeners&&this._domListeners[t]){return}const i=this._createDomListener(t,!!n.useCapture);this._domNode.addEventListener(t,i,!!n.useCapture);if(!this._domListeners){this._domListeners={}}this._domListeners[t]=i},detach(t){let e;if(this._domListeners[t]&&(!(e=this._events[t])||!e.callbacks.length)){this._domListeners[t].removeListener()}},_createDomListener(t,e){const n=e=>{this.fire(t,e)};n.removeListener=()=>{this._domNode.removeEventListener(t,n,e);delete this._domListeners[t]};return n}});function Gd(t){return t["data-ck-expando"]||(t["data-ck-expando"]=ns())}class Yd{constructor(t){this.view=t;this.document=t.document;this.isEnabled=false}enable(){this.isEnabled=true}disable(){this.isEnabled=false}destroy(){this.disable();this.stopListening()}}vs(Yd,qd);var Qd="__lodash_hash_undefined__";function Kd(t){this.__data__.set(t,Qd);return this}var Jd=Kd;function Zd(t){return this.__data__.has(t)}var Xd=Zd;function tu(t){var e=-1,n=t==null?0:t.length;this.__data__=new _e;while(++ea)){return false}var l=r.get(t);if(l&&r.get(e)){return l==e}var d=-1,u=true,h=n&au?new eu:undefined;r.set(t,e);r.set(e,t);while(++d{this.listenTo(t,e,(t,e)=>{if(this.isEnabled){this.onDomEvent(e)}},{useCapture:this.useCapture})})}fire(t,e,n){if(this.isEnabled){this.document.fire(t,new Qu(this.view,e,n))}}}class Ju extends Ku{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 Dl(this)}})}}var Zu=function(){return i["a"].Date.now()};var Xu=Zu;var th=0/0;var eh=/^\s+|\s+$/g;var nh=/^[-+]0x[0-9a-f]+$/i;var ih=/^0b[01]+$/i;var oh=/^0o[0-7]+$/i;var rh=parseInt;function sh(t){if(typeof t=="number"){return t}if(Js(t)){return th}if(ct(t)){var e=typeof t.valueOf=="function"?t.valueOf():t;t=ct(e)?e+"":e}if(typeof t!="string"){return t===0?t:+t}t=t.replace(eh,"");var n=ih.test(t);return n||oh.test(t)?rh(t.slice(2),n?2:8):nh.test(t)?th:+t}var ah=sh;var ch="Expected a function";var lh=Math.max,dh=Math.min;function uh(t,e,n){var i,o,r,s,a,c,l=0,d=false,u=false,h=true;if(typeof t!="function"){throw new TypeError(ch)}e=ah(e)||0;if(ct(n)){d=!!n.leading;u="maxWait"in n;r=u?lh(ah(n.maxWait)||0,e):r;h="trailing"in n?!!n.trailing:h}function f(e){var n=i,r=o;i=o=undefined;l=e;s=t.apply(r,n);return s}function m(t){l=t;a=setTimeout(b,e);return d?f(t):s}function g(t){var n=t-c,i=t-l,o=e-n;return u?dh(o,r-i):o}function p(t){var n=t-c,i=t-l;return c===undefined||n>=e||n<0||u&&i>=r}function b(){var t=Xu();if(p(t)){return w(t)}a=setTimeout(b,g(t))}function w(t){a=undefined;if(h&&i){return f(t)}i=o=undefined;return s}function k(){if(a!==undefined){clearTimeout(a)}l=0;i=c=o=a=undefined}function _(){return a===undefined?s:w(Xu())}function v(){var t=Xu(),n=p(t);i=arguments;o=this;c=t;if(n){if(a===undefined){return m(c)}if(u){clearTimeout(a);a=setTimeout(b,e);return f(c)}}if(a===undefined){a=setTimeout(b,e)}return s}v.cancel=k;v.flush=_;return v}var hh=uh;class fh extends Yd{constructor(t){super(t);this._fireSelectionChangeDoneDebounced=hh(t=>this.document.fire("selectionChangeDone",t),200)}observe(){const t=this.document;t.on("keydown",(e,n)=>{const i=t.selection;if(i.isFake&&mh(n.keyCode)&&this.isEnabled){n.preventDefault();this._handleSelectionMove(n.keyCode)}},{priority:"lowest"})}destroy(){super.destroy();this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(t){const e=this.document.selection;const n=new gl(e.getRanges(),{backward:e.isBackward,fake:false});if(t==Vl.arrowleft||t==Vl.arrowup){n.setTo(n.getFirstPosition())}if(t==Vl.arrowright||t==Vl.arrowdown){n.setTo(n.getLastPosition())}const i={oldSelection:e,newSelection:n,domSelection:null};this.document.fire("selectionChange",i);this._fireSelectionChangeDoneDebounced(i)}}function mh(t){return t==Vl.arrowright||t==Vl.arrowleft||t==Vl.arrowup||t==Vl.arrowdown}class gh extends Yd{constructor(t){super(t);this.mutationObserver=t.getObserver(Yu);this.selection=this.document.selection;this.domConverter=t.domConverter;this._documents=new WeakSet;this._fireSelectionChangeDoneDebounced=hh(t=>this.document.fire("selectionChangeDone",t),200);this._clearInfiniteLoopInterval=setInterval(()=>this._clearInfiniteLoop(),1e3);this._loopbackCounter=0}observe(t){const e=t.ownerDocument;if(this._documents.has(e)){return}this.listenTo(e,"selectionchange",()=>{this._handleSelectionChange(e)});this._documents.add(e)}destroy(){super.destroy();clearInterval(this._clearInfiniteLoopInterval);this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(t){if(!this.isEnabled){return}this.mutationObserver.flush();const e=t.defaultView.getSelection();const n=this.domConverter.domSelectionToView(e);if(n.rangeCount==0){return}if(this.selection.isEqual(n)&&this.domConverter.isDomSelectionCorrect(e)){return}if(++this._loopbackCounter>60){return}if(this.selection.isSimilar(n)){this.view.forceRender()}else{const t={oldSelection:this.selection,newSelection:n,domSelection:e};this.document.fire("selectionChange",t);this._fireSelectionChangeDoneDebounced(t)}}_clearInfiniteLoop(){this._loopbackCounter=0}}class ph extends Ku{constructor(t){super(t);this.domEventType=["focus","blur"];this.useCapture=true;const e=this.document;e.on("focus",()=>{e.isFocused=true;this._renderTimeoutId=setTimeout(()=>t.forceRender(),50)});e.on("blur",(n,i)=>{const o=e.selection.editableElement;if(o===null||o===i.target){e.isFocused=false;t.forceRender()}})}onDomEvent(t){this.fire(t.type,t)}destroy(){if(this._renderTimeoutId){clearTimeout(this._renderTimeoutId)}super.destroy()}}class bh extends Ku{constructor(t){super(t);this.domEventType=["compositionstart","compositionupdate","compositionend"];const e=this.document;e.on("compositionstart",()=>{e.isComposing=true});e.on("compositionend",()=>{e.isComposing=false})}onDomEvent(t){this.fire(t.type,t)}}class wh extends Ku{constructor(t){super(t);this.domEventType=["beforeinput"]}onDomEvent(t){this.fire(t.type,t)}}function kh(t){return Object.prototype.toString.apply(t)=="[object Range]"}function _h(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 vh=["top","right","bottom","left","width","height"];class yh{constructor(t){const e=kh(t);Object.defineProperty(this,"_source",{value:t._source||t,writable:true,enumerable:false});if(Yr(t)||e){if(e){xh(this,yh.getDomRangeRects(t)[0])}else{xh(this,t.getBoundingClientRect())}}else if(Ud(t)){const{innerWidth:e,innerHeight:n}=t;xh(this,{top:0,right:e,bottom:n,left:0,width:e,height:n})}else{xh(this,t)}}clone(){return new yh(this)}moveTo(t,e){this.top=e;this.right=t+this.width;this.bottom=e+this.height;this.left=t;return this}moveBy(t,e){this.top+=e;this.right+=t;this.left+=t;this.bottom+=e;return 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)};e.width=e.right-e.left;e.height=e.bottom-e.top;if(e.width<0||e.height<0){return null}else{return new yh(e)}}getIntersectionArea(t){const e=this.getIntersection(t);if(e){return e.getArea()}else{return 0}}getArea(){return this.width*this.height}getVisible(){const t=this._source;let e=this.clone();if(!Ch(t)){let n=t.parentNode||t.commonAncestorContainer;while(n&&!Ch(n)){const t=new yh(n);const i=e.getIntersection(t);if(i){if(i.getArea()Dh(t,i));const s=Dh(t,i);Sh(i,s,e);if(i.parent!=i){o=i.frameElement;i=i.parent;if(!o){return}}else{i=null}}}function Ph(t){const e=Vh(t);Mh(e,()=>new yh(t))}Object.assign(Ah,{scrollViewportToShowTarget:Th,scrollAncestorsToShowTarget:Ph});function Sh(t,e,n){const i=e.clone().moveBy(0,n);const o=e.clone().moveBy(0,-n);const r=new yh(t).excludeScrollbarsAndBorders();const s=[o,i];if(!s.every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;if(Ih(o,r)){a-=r.top-e.top+n}else if(Eh(i,r)){a+=e.bottom-r.bottom+n}if(Nh(e,r)){s-=r.left-e.left+n}else if(Oh(e,r)){s+=e.right-r.right+n}t.scrollTo(s,a)}}function Mh(t,e){const n=Rh(t);let i,o;while(t!=n.document.body){o=e();i=new yh(t).excludeScrollbarsAndBorders();if(!i.contains(o)){if(Ih(o,i)){t.scrollTop-=i.top-o.top}else if(Eh(o,i)){t.scrollTop+=o.bottom-i.bottom}if(Nh(o,i)){t.scrollLeft-=i.left-o.left}else if(Oh(o,i)){t.scrollLeft+=o.right-i.right}}t=t.parentNode}}function Eh(t,e){return t.bottom>e.bottom}function Ih(t,e){return t.tope.right}function Rh(t){if(kh(t)){return t.startContainer.ownerDocument.defaultView}else{return t.ownerDocument.defaultView}}function Vh(t){if(kh(t)){let e=t.commonAncestorContainer;if(rd(e)){e=e.parentNode}return e}else{return t.parentNode}}function Dh(t,e){const n=Rh(t);const i=new yh(t);if(n===e){return i}else{let t=n;while(t!=e){const e=t.frameElement;const n=new yh(e).excludeScrollbarsAndBorders();i.moveBy(n.left,n.top);t=t.parent}}return i}class Lh{constructor(){this.document=new bl;this.domConverter=new jd;this.domRoots=new Map;this.set("isRenderingInProgress",false);this._renderer=new Ad(this.domConverter,this.document.selection);this._renderer.bind("isFocused").to(this.document);this._initialDomRootAttributes=new WeakMap;this._observers=new Map;this._ongoingChange=false;this._postFixersInProgress=false;this._renderingDisabled=false;this._hasChangedSinceTheLastRendering=false;this._writer=new Gl(this.document);this.addObserver(Yu);this.addObserver(gh);this.addObserver(ph);this.addObserver(Ju);this.addObserver(fh);this.addObserver(bh);if(Tl.isAndroid){this.addObserver(wh)}fd(this);Hl(this);this.on("render",()=>{this._render();this.document.fire("layoutChanged");this._hasChangedSinceTheLastRendering=false});this.listenTo(this.document.selection,"change",()=>{this._hasChangedSinceTheLastRendering=true})}attachDomRoot(t,e="main"){const n=this.document.getRoot(e);n._name=t.tagName.toLowerCase();const i={};for(const{name:e,value:o}of Array.from(t.attributes)){i[e]=o;if(e==="class"){this._writer.addClass(o.split(" "),n)}else{this._writer.setAttribute(e,o,n)}}this._initialDomRootAttributes.set(t,i);const o=()=>{this._writer.setAttribute("contenteditable",!n.isReadOnly,n);if(n.isReadOnly){this._writer.addClass("ck-read-only",n)}else{this._writer.removeClass("ck-read-only",n)}};o();this.domRoots.set(e,t);this.domConverter.bindElements(t,n);this._renderer.markToSync("children",n);this._renderer.markToSync("attributes",n);this._renderer.domDocuments.add(t.ownerDocument);n.on("change:children",(t,e)=>this._renderer.markToSync("children",e));n.on("change:attributes",(t,e)=>this._renderer.markToSync("attributes",e));n.on("change:text",(t,e)=>this._renderer.markToSync("text",e));n.on("change:isReadOnly",()=>this.change(o));n.on("change",()=>{this._hasChangedSinceTheLastRendering=true});for(const n of this._observers.values()){n.observe(t,e)}}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach(({name:t})=>e.removeAttribute(t));const n=this._initialDomRootAttributes.get(e);for(const t in n){e.setAttribute(t,n[t])}this.domRoots.delete(t);this.domConverter.unbindDomElement(e)}getDomRoot(t="main"){return this.domRoots.get(t)}addObserver(t){let e=this._observers.get(t);if(e){return e}e=new t(this);this._observers.set(t,e);for(const[t,n]of this.domRoots){e.observe(n,t)}e.enable();return 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();if(t){Th({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;if(t){this.domConverter.focus(t);this.forceRender()}else{}}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress){throw new ss["b"]("cannot-change-view-tree: "+"Attempting to make changes to the view when it is in an incorrect state: rendering or post-fixers are in progress. "+"This may cause some unexpected behavior and inconsistency between the DOM and the view.",this)}try{if(this._ongoingChange){return t(this._writer)}this._ongoingChange=true;const e=t(this._writer);this._ongoingChange=false;if(!this._renderingDisabled&&this._hasChangedSinceTheLastRendering){this._postFixersInProgress=true;this.document._callPostFixers(this._writer);this._postFixersInProgress=false;this.fire("render")}return e}catch(t){ss["b"].rethrowUnexpectedError(t,this)}}forceRender(){this._hasChangedSinceTheLastRendering=true;this.change(()=>{})}destroy(){for(const t of this._observers.values()){t.destroy()}this.document.destroy();this.stopListening()}createPositionAt(t,e){return ul._createAt(t,e)}createPositionAfter(t){return ul._createAfter(t)}createPositionBefore(t){return ul._createBefore(t)}createRange(t,e){return new hl(t,e)}createRangeOn(t){return hl._createOn(t)}createRangeIn(t){return hl._createIn(t)}createSelection(t,e,n){return new gl(t,e,n)}_disableRendering(t){this._renderingDisabled=t;if(t==false){this.change(()=>{})}}_render(){this.isRenderingInProgress=true;this.disableObservers();this._renderer.render();this.enableObservers();this.isRenderingInProgress=false}}vs(Lh,Qc);class jh{constructor(t){this.parent=null;this._attrs=Hs(t)}get index(){let t;if(!this.parent){return null}if((t=this.parent.getChildIndex(this))===null){throw new ss["b"]("model-node-not-found-in-parent: The node's parent does not contain this node.",this)}return t}get startOffset(){let t;if(!this.parent){return null}if((t=this.parent.getChildStartOffset(this))===null){throw new ss["b"]("model-node-not-found-in-parent: The node's parent does not contain this node.",this)}return t}get offsetSize(){return 1}get endOffset(){if(!this.parent){return null}return this.startOffset+this.offsetSize}get nextSibling(){const t=this.index;return t!==null&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return t!==null&&this.parent.getChild(t-1)||null}get root(){let t=this;while(t.parent){t=t.parent}return t}get document(){if(this.root==this){return null}return this.root.document||null}getPath(){const t=[];let e=this;while(e.parent){t.unshift(e.startOffset);e=e.parent}return t}getAncestors(t={includeSelf:false,parentFirst:false}){const e=[];let n=t.includeSelf?this:this.parent;while(n){e[t.parentFirst?"push":"unshift"](n);n=n.parent}return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e);const i=t.getAncestors(e);let o=0;while(n[o]==i[o]&&n[o]){o++}return o===0?null:n[o-1]}isBefore(t){if(this==t){return false}if(this.root!==t.root){return false}const e=this.getPath();const n=t.getPath();const i=Os(e,n);switch(i){case"prefix":return true;case"extension":return false;default:return e[i]{t[e[0]]=e[1];return t},{})}return t}is(t){return t=="node"||t=="model:node"}_clone(){return new jh(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=Hs(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class zh extends jh{constructor(t,e){super(e);this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return t=="text"||t=="model:text"||super.is(t)}toJSON(){const t=super.toJSON();t.data=this.data;return t}_clone(){return new zh(this.data,this.getAttributes())}static fromJSON(t){return new zh(t.data,t.attributes)}}class Bh{constructor(t,e,n){this.textNode=t;if(e<0||e>t.offsetSize){throw new ss["b"]("model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.",this)}if(n<0||e+n>t.offsetSize){throw new ss["b"]("model-textproxy-wrong-length: Given length value is incorrect.",this)}this.data=t.data.substring(e,e+n);this.offsetInText=e}get startOffset(){return this.textNode.startOffset!==null?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return this.startOffset!==null?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}get document(){return this.textNode.document}is(t){return t=="textProxy"||t=="model:textProxy"}getPath(){const t=this.textNode.getPath();if(t.length>0){t[t.length-1]+=this.offsetInText}return t}getAncestors(t={includeSelf:false,parentFirst:false}){const e=[];let n=t.includeSelf?this:this.parent;while(n){e[t.parentFirst?"push":"unshift"](n);n=n.parent}return e}hasAttribute(t){return this.textNode.hasAttribute(t)}getAttribute(t){return this.textNode.getAttribute(t)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class Fh{constructor(t){this._nodes=[];if(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 e==-1?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return e===null?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 ss["b"]("model-nodelist-index-out-of-bounds: Given index cannot be found in the node list.",this)}return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const n of this._nodes){if(t>=e&&tt.toJSON())}}class Hh extends jh{constructor(t,e,n){super(e);this.name=t;this._children=new Fh;if(n){this._insertChild(0,n)}}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return this.childCount===0}is(t,e=null){const n=t.replace(/^model:/,"");if(!e){return n=="element"||n==this.name||super.is(t)}else{return n=="element"&&e==this.name}}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const n of t){e=e.getChild(e.offsetToIndex(n))}return e}toJSON(){const t=super.toJSON();t.name=this.name;if(this._children.length>0){t.children=[];for(const e of this._children){t.children.push(e.toJSON())}}return t}_clone(t=false){const e=t?Array.from(this._children).map(t=>t._clone(true)):null;return new Hh(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=Uh(e);for(const t of n){if(t.parent!==null){t._remove()}t.parent=this}this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n){t.parent=null}return n}static fromJSON(t){let e=null;if(t.children){e=[];for(const n of t.children){if(n.name){e.push(Hh.fromJSON(n))}else{e.push(zh.fromJSON(n))}}}return new Hh(t.name,t.attributes,e)}}function Uh(t){if(typeof t=="string"){return[new zh(t)]}if(!Fs(t)){t=[t]}return Array.from(t).map(t=>{if(typeof t=="string"){return new zh(t)}if(t instanceof Bh){return new zh(t.data,t.getAttributes())}return t})}class Wh{constructor(t={}){if(!t.boundaries&&!t.startPosition){throw new ss["b"]("model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null)}const e=t.direction||"forward";if(e!="forward"&&e!="backward"){throw new ss["b"]("model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",t,{direction:e})}this.direction=e;this.boundaries=t.boundaries||null;if(t.startPosition){this.position=t.startPosition.clone()}else{this.position=$h._createAt(this.boundaries[this.direction=="backward"?"end":"start"])}this.position.stickiness="toNone";this.singleCharacters=!!t.singleCharacters;this.shallow=!!t.shallow;this.ignoreElementEnd=!!t.ignoreElementEnd;this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null;this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null;this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(t){let e,n,i,o;do{i=this.position;o=this._visitedParent;({done:e,value:n}=this.next())}while(!e&&t(n));if(!e){this.position=i;this._visitedParent=o}}next(){if(this.direction=="forward"){return this._next()}else{return this._previous()}}_next(){const t=this.position;const e=this.position.clone();const n=this._visitedParent;if(n.parent===null&&e.offset===n.maxOffset){return{done:true}}if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset){return{done:true}}const i=e.textNode?e.textNode:e.nodeAfter;if(i instanceof Hh){if(!this.shallow){e.path.push(0);this._visitedParent=i}else{e.offset++}this.position=e;return qh("elementStart",i,t,e,1)}else if(i instanceof zh){let o;if(this.singleCharacters){o=1}else{let t=i.endOffset;if(this._boundaryEndParent==n&&this.boundaries.end.offsett){t=this.boundaries.start.offset}o=e.offset-t}const r=e.offset-i.startOffset;const s=new Bh(i,r-o,o);e.offset-=o;this.position=e;return qh("text",s,t,e,o)}else{e.path.pop();this.position=e;this._visitedParent=n.parent;return qh("elementStart",n,t,e,1)}}}function qh(t,e,n,i,o){return{done:false,value:{type:t,item:e,previousPosition:n,nextPosition:i,length:o}}}class $h{constructor(t,e,n="toNone"){if(!t.is("element")&&!t.is("documentFragment")){throw new ss["b"]("model-position-root-invalid: Position root invalid.",t)}if(!(e instanceof Array)||e.length===0){throw new ss["b"]("model-position-path-incorrect-format: Position path must be an array with at least one item.",t,{path:e})}e=t.getPath().concat(e);t=t.root;this.root=t;this.path=e;this.stickiness=n}get offset(){return Ca(this.path)}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;en.path.length){if(e.offset!==o.maxOffset){return false}e.path=e.path.slice(0,-1);o=o.parent;e.offset++}else{if(n.offset!==0){return false}n.path=n.path.slice(0,-1)}}}is(t){return t=="position"||t=="model:position"}hasSameParentAs(t){if(this.root!==t.root){return false}const e=this.getParentPath();const n=t.getParentPath();return Os(e,n)=="same"}getTransformedByOperation(t){let e;switch(t.type){case"insert":e=this._getTransformedByInsertOperation(t);break;case"move":case"remove":case"reinsert":e=this._getTransformedByMoveOperation(t);break;case"split":e=this._getTransformedBySplitOperation(t);break;case"merge":e=this._getTransformedByMergeOperation(t);break;default:e=$h._createAt(this);break}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;const n=e.containsPosition(this)||e.start.isEqual(this)&&this.stickiness=="toNext";if(n){return this._getCombined(t.splitPosition,t.moveTargetPosition)}else{if(t.graveyardPosition){return this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1)}else{return this._getTransformedByInsertion(t.insertionPosition,1)}}}_getTransformedByMergeOperation(t){const e=t.movedRange;const n=e.containsPosition(this)||e.start.isEqual(this);let i;if(n){i=this._getCombined(t.sourcePosition,t.targetPosition);if(t.sourcePosition.isBefore(t.targetPosition)){i=i._getTransformedByDeletion(t.deletionPosition,1)}}else if(this.isEqual(t.deletionPosition)){i=$h._createAt(t.deletionPosition)}else{i=this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1)}return i}_getTransformedByDeletion(t,e){const n=$h._createAt(this);if(this.root!=t.root){return n}if(Os(t.getParentPath(),this.getParentPath())=="same"){if(t.offsetthis.offset){return null}else{n.offset-=e}}}else if(Os(t.getParentPath(),this.getParentPath())=="prefix"){const i=t.path.length-1;if(t.offset<=this.path[i]){if(t.offset+e>this.path[i]){return null}else{n.path[i]-=e}}}return n}_getTransformedByInsertion(t,e){const n=$h._createAt(this);if(this.root!=t.root){return n}if(Os(t.getParentPath(),this.getParentPath())=="same"){if(t.offsete+1){const e=i.maxOffset-n.offset;if(e!==0){t.push(new Gh(n,n.getShiftedBy(e)))}n.path=n.path.slice(0,-1);n.offset++;i=i.parent}while(n.path.length<=this.end.path.length){const e=this.end.path[n.path.length-1];const i=e-n.offset;if(i!==0){t.push(new Gh(n,n.getShiftedBy(i)))}n.offset=e;n.path.push(0)}return t}getWalker(t={}){t.boundaries=this;return new Wh(t)}*getItems(t={}){t.boundaries=this;t.ignoreElementEnd=true;const e=new Wh(t);for(const t of e){yield t.item}}*getPositions(t={}){t.boundaries=this;const e=new Wh(t);yield e.position;for(const t of e){yield t.nextPosition}}getTransformedByOperation(t){switch(t.type){case"insert":return this._getTransformedByInsertOperation(t);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(t);case"split":return[this._getTransformedBySplitOperation(t)];case"merge":return[this._getTransformedByMergeOperation(t)]}return[new Gh(this.start,this.end)]}getTransformedByOperations(t){const e=[new Gh(this.start,this.end)];for(const n of t){for(let t=0;t0?new this(n,i):new this(i,n)}static _createIn(t){return new this($h._createAt(t,0),$h._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift($h._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(t.length===0){throw new ss["b"]("range-create-from-ranges-empty-array: At least one range has to be passed.",null)}else if(t.length==1){return t[0].clone()}const e=t[0];t.sort((t,e)=>t.start.isAfter(e.start)?1:-1);const n=t.indexOf(e);const i=new this(e.start,e.end);if(n>0){for(let e=n-1;true;e++){if(t[e].end.isEqual(i.start)){i.start=$h._createAt(t[e].start)}else{break}}}for(let e=n+1;e{if(e.viewPosition){return}const n=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this._findPositionIn(n,e.modelPosition.offset)},{priority:"low"});this.on("viewToModelPosition",(t,e)=>{if(e.modelPosition){return}const n=this.findMappedViewAncestor(e.viewPosition);const i=this._viewToModelMapping.get(n);const o=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=$h._createAt(i,o)},{priority:"low"})}bindElements(t,e){this._modelToViewMapping.set(t,e);this._viewToModelMapping.set(e,t)}unbindViewElement(t){const e=this.toModelElement(t);this._viewToModelMapping.delete(t);if(this._elementToMarkerNames.has(t)){for(const e of this._elementToMarkerNames.get(t)){this._unboundMarkerNames.add(e)}}if(this._modelToViewMapping.get(e)==t){this._modelToViewMapping.delete(e)}}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t);if(this._viewToModelMapping.get(e)==t){this._viewToModelMapping.delete(e)}}bindElementToMarker(t,e){const n=this._markerNameToElements.get(e)||new Set;n.add(t);const i=this._elementToMarkerNames.get(t)||new Set;i.add(e);this._markerNameToElements.set(e,n);this._elementToMarkerNames.set(t,i)}unbindElementFromMarkerName(t,e){const n=this._markerNameToElements.get(e);if(n){n.delete(t);if(n.size==0){this._markerNameToElements.delete(e)}}const i=this._elementToMarkerNames.get(t);if(i){i.delete(e);if(i.size==0){this._elementToMarkerNames.delete(t)}}}flushUnboundMarkerNames(){const t=Array.from(this._unboundMarkerNames);this._unboundMarkerNames.clear();return 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 Gh(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new hl(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};this.fire("viewToModelPosition",e);return e.modelPosition}toViewPosition(t,e={isPhantom:false}){const n={modelPosition:t,mapper:this,isPhantom:e.isPhantom};this.fire("modelToViewPosition",n);return n.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e){return null}const n=new Set;for(const t of e){if(t.is("attributeElement")){for(const e of t.getElementsWithSameId()){n.add(e)}}else{n.add(t)}}return n}registerViewToModelLength(t,e){this._viewToModelLengthCallbacks.set(t,e)}findMappedViewAncestor(t){let e=t.parent;while(!this._viewToModelMapping.has(e)){e=e.parent}return e}_toModelOffset(t,e,n){if(n!=t){const i=this._toModelOffset(t.parent,t.index,n);const o=this._toModelOffset(t,e,t);return i+o}if(t.is("text")){return e}let i=0;for(let n=0;n1?e[0]+":"+e[1]:e[0]}class Jh{constructor(t){this.conversionApi=Wc({dispatcher:this},t)}convertChanges(t,e,n){for(const e of t.getMarkersToRemove()){this.convertMarkerRemove(e.name,e.range,n)}for(const e of t.getChanges()){if(e.type=="insert"){this.convertInsert(Gh._createFromPositionAndShift(e.position,e.length),n)}else if(e.type=="remove"){this.convertRemove(e.position,e.length,e.name,n)}else{this.convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,n)}}for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const i=e.get(t).getRange();this.convertMarkerRemove(t,i,n);this.convertMarkerAdd(t,i,n)}for(const e of t.getMarkersToAdd()){this.convertMarkerAdd(e.name,e.range,n)}}convertInsert(t,e){this.conversionApi.writer=e;this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of t){const t=e.item;const n=Gh._createFromPositionAndShift(e.previousPosition,e.length);const i={item:t,range:n};this._testAndFire("insert",i);for(const e of t.getAttributeKeys()){i.attributeKey=e;i.attributeOldValue=null;i.attributeNewValue=t.getAttribute(e);this._testAndFire(`attribute:${e}`,i)}}this._clearConversionApi()}convertRemove(t,e,n,i){this.conversionApi.writer=i;this.fire("remove:"+n,{position:t,length:e},this.conversionApi);this._clearConversionApi()}convertAttribute(t,e,n,i,o){this.conversionApi.writer=o;this.conversionApi.consumable=this._createConsumableForRange(t,`attribute:${e}`);for(const o of t){const t=o.item;const r=Gh._createFromPositionAndShift(o.previousPosition,o.length);const s={item:t,range:r,attributeKey:e,attributeOldValue:n,attributeNewValue:i};this._testAndFire(`attribute:${e}`,s)}this._clearConversionApi()}convertSelection(t,e,n){const i=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));this.conversionApi.writer=n;this.conversionApi.consumable=this._createSelectionConsumable(t,i);this.fire("selection",{selection:t},this.conversionApi);if(!t.isCollapsed){return}for(const e of i){const n=e.getRange();if(!Zh(t.getFirstPosition(),e,this.conversionApi.mapper)){continue}const i={item:t,markerName:e.name,markerRange:n};if(this.conversionApi.consumable.test(t,"addMarker:"+e.name)){this.fire("addMarker:"+e.name,i,this.conversionApi)}}for(const e of t.getAttributeKeys()){const n={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};if(this.conversionApi.consumable.test(t,"attribute:"+n.attributeKey)){this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}}this._clearConversionApi()}convertMarkerAdd(t,e,n){if(!e.root.document||e.root.rootName=="$graveyard"){return}this.conversionApi.writer=n;const i="addMarker:"+t;const o=new Qh;o.add(e,i);this.conversionApi.consumable=o;this.fire(i,{markerName:t,markerRange:e},this.conversionApi);if(!o.test(e,i)){return}this.conversionApi.consumable=this._createConsumableForRange(e,i);for(const n of e.getItems()){if(!this.conversionApi.consumable.test(n,i)){continue}const o={item:n,range:Gh._createOn(n),markerName:t,markerRange:e};this.fire(i,o,this.conversionApi)}this._clearConversionApi()}convertMarkerRemove(t,e,n){if(!e.root.document||e.root.rootName=="$graveyard"){return}this.conversionApi.writer=n;this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi);this._clearConversionApi()}_createInsertConsumable(t){const e=new Qh;for(const n of t){const t=n.item;e.add(t,"insert");for(const n of t.getAttributeKeys()){e.add(t,"attribute:"+n)}}return e}_createConsumableForRange(t,e){const n=new Qh;for(const i of t.getItems()){n.add(i,e)}return n}_createSelectionConsumable(t,e){const n=new Qh;n.add(t,"selection");for(const i of e){n.add(t,"addMarker:"+i.name)}for(const e of t.getAttributeKeys()){n.add(t,"attribute:"+e)}return n}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t)){return}const n=e.item.name||"$text";this.fire(t+":"+n,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer;delete this.conversionApi.consumable}}vs(Jh,ds);function Zh(t,e,n){const i=e.getRange();const o=Array.from(t.getAncestors());o.shift();o.reverse();const r=o.some(t=>{if(i.containsItem(t)){const e=n.toViewElement(t);return!!e.getCustomProperty("addHighlight")}});return!r}class Xh{constructor(t,e,n){this._lastRangeBackward=false;this._ranges=[];this._attrs=new Map;if(t){this.setTo(t,e,n)}}get anchor(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.end:t.start}return null}get focus(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.start:t.end}return null}get isCollapsed(){const t=this._ranges.length;if(t===1){return this._ranges[0].isCollapsed}else{return false}}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(t){if(this.rangeCount!=t.rangeCount){return false}else if(this.rangeCount===0){return true}if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus)){return false}for(const e of this._ranges){let n=false;for(const i of t._ranges){if(e.isEqual(i)){n=true;break}}if(!n){return false}}return true}*getRanges(){for(const t of this._ranges){yield new Gh(t.start,t.end)}}getFirstRange(){let t=null;for(const e of this._ranges){if(!t||e.start.isBefore(t.start)){t=e}}return t?new Gh(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges){if(!t||e.end.isAfter(t.end)){t=e}}return t?new Gh(t.start,t.end):null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}setTo(t,e,n){if(t===null){this._setRanges([])}else if(t instanceof Xh){this._setRanges(t.getRanges(),t.isBackward)}else if(t&&typeof t.getRanges=="function"){this._setRanges(t.getRanges(),t.isBackward)}else if(t instanceof Gh){this._setRanges([t],!!e&&!!e.backward)}else if(t instanceof $h){this._setRanges([new Gh(t)])}else if(t instanceof jh){const i=!!n&&!!n.backward;let o;if(e=="in"){o=Gh._createIn(t)}else if(e=="on"){o=Gh._createOn(t)}else if(e!==undefined){o=new Gh($h._createAt(t,e))}else{throw new ss["b"]("model-selection-setTo-required-second-parameter: "+"selection.setTo requires the second parameter when the first parameter is a node.",[this,t])}this._setRanges([o],i)}else if(Fs(t)){this._setRanges(t,e&&!!e.backward)}else{throw new ss["b"]("model-selection-setTo-not-selectable: Cannot set the selection to the given place.",[this,t])}}_setRanges(t,e=false){t=Array.from(t);const n=t.some(e=>{if(!(e instanceof Gh)){throw new ss["b"]("model-selection-set-ranges-not-range: "+"Selection range set to an object that is not an instance of model.Range.",[this,t])}return this._ranges.every(t=>!t.isEqual(e))});if(t.length===this._ranges.length&&!n){return}this._removeAllRanges();for(const e of t){this._pushRange(e)}this._lastRangeBackward=!!e;this.fire("change:range",{directChange:true})}setFocus(t,e){if(this.anchor===null){throw new ss["b"]("model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",[this,t])}const n=$h._createAt(t,e);if(n.compareWith(this.focus)=="same"){return}const i=this.anchor;if(this._ranges.length){this._popRange()}if(n.compareWith(i)=="before"){this._pushRange(new Gh(n,i));this._lastRangeBackward=true}else{this._pushRange(new Gh(i,n));this._lastRangeBackward=false}this.fire("change:range",{directChange:true})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){if(this.hasAttribute(t)){this._attrs.delete(t);this.fire("change:attribute",{attributeKeys:[t],directChange:true})}}setAttribute(t,e){if(this.getAttribute(t)!==e){this._attrs.set(t,e);this.fire("change:attribute",{attributeKeys:[t],directChange:true})}}getSelectedElement(){if(this.rangeCount!==1){return null}const t=this.getFirstRange();const e=t.start.nodeAfter;const n=t.end.nodeBefore;return e instanceof Hh&&e==n?e:null}is(t){return t=="selection"||t=="model:selection"}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=nf(e.start,t);if(n&&of(n,e)){yield n}for(const n of e.getWalker()){const i=n.item;if(n.type=="elementEnd"&&ef(i,t,e)){yield i}}const i=nf(e.end,t);if(i&&!e.end.isTouching($h._createAt(i,0))&&of(i,e)){yield i}}}containsEntireContent(t=this.anchor.root){const e=$h._createAt(t,0);const n=$h._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t);this._ranges.push(new Gh(t.start,t.end))}_checkRange(t){for(let e=0;e0){this._popRange()}}_popRange(){this._ranges.pop()}}vs(Xh,ds);function tf(t,e){if(e.has(t)){return false}e.add(t);return t.document.model.schema.isBlock(t)&&t.parent}function ef(t,e,n){return tf(t,e)&&of(t,n)}function nf(t,e){const n=t.parent.document.model.schema;const i=t.parent.getAncestors({parentFirst:true,includeSelf:true});let o=false;const r=i.find(t=>{if(o){return false}o=n.isLimit(t);return!o&&tf(t,e)});i.forEach(t=>e.add(t));return r}function of(t,e){const n=rf(t);if(!n){return true}const i=e.containsRange(Gh._createOn(n),true);return!i}function rf(t){const e=t.document.model.schema;let n=t.parent;while(n){if(e.isBlock(n)){return n}n=n.parent}}class sf extends Gh{constructor(t,e){super(t,e);af.call(this)}detach(){this.stopListening()}is(t){return t=="liveRange"||t=="model:liveRange"||super.is(t)}toRange(){return new Gh(this.start,this.end)}static fromRange(t){return new sf(t.start,t.end)}}function af(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];if(!n.isDocumentOperation){return}cf.call(this,n)},{priority:"low"})}function cf(t){const e=this.getTransformedByOperation(t);const n=Gh._createFromRanges(e);const i=!n.isEqual(this);const o=lf(this,t);let r=null;if(i){if(n.root.rootName=="$graveyard"){if(t.type=="remove"){r=t.sourcePosition}else{r=t.deletionPosition}}const e=this.toRange();this.start=n.start;this.end=n.end;this.fire("change:range",e,{deletionPosition:r})}else if(o){this.fire("change:content",this.toRange(),{deletionPosition:r})}}function lf(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 false}vs(sf,ds);const df="selection:";class uf{constructor(t){this._selection=new hf(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(false)}is(t){return t=="selection"||t=="model:selection"||t=="documentSelection"||t=="model:documentSelection"}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setAttribute(t,e){this._selection.setAttribute(t,e)}_removeAttribute(t){this._selection.removeAttribute(t)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(t){this._selection.restoreGravity(t)}static _getStoreAttributeKey(t){return df+t}static _isStoreAttributeKey(t){return t.startsWith(df)}}vs(uf,ds);class hf extends Xh{constructor(t){super();this.markers=new ys({idProperty:"name"});this._model=t.model;this._document=t;this._attributePriority=new Map;this._fixGraveyardRangesData=[];this._hasChangedRange=false;this._overriddenGravityRegister=new Set;this.listenTo(this._model,"applyOperation",(t,e)=>{const n=e[0];if(!n.isDocumentOperation||n.type=="marker"||n.type=="rename"||n.type=="noop"){return}while(this._fixGraveyardRangesData.length){const{liveRange:t,sourcePosition:e}=this._fixGraveyardRangesData.shift();this._fixGraveyardSelection(t,e)}if(this._hasChangedRange){this._hasChangedRange=false;this.fire("change:range",{directChange:false})}},{priority:"lowest"});this.on("change:range",()=>{for(const t of this.getRanges()){if(!this._document._validateSelectionRange(t)){throw new ss["b"]("document-selection-wrong-position: Range from document selection starts or ends at incorrect position.",this,{range:t})}}});this.listenTo(this._model.markers,"update",()=>this._updateMarkers());this.listenTo(this._document,"change",(t,e)=>{mf(this._model,e)})}get isCollapsed(){const t=this._ranges.length;return t===0?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._hasChangedRange=true;if(e.root==this._document.graveyard){this._fixGraveyardRangesData.push({liveRange:e,sourcePosition:i.deletionPosition})}});return e}_updateMarkers(){const t=[];let e=false;for(const e of this._model.markers){const n=e.getRange();for(const i of this.getRanges()){if(n.containsRange(i,!i.isCollapsed)){t.push(e)}}}const n=Array.from(this.markers);for(const n of t){if(!this.markers.has(n)){this.markers.add(n);e=true}}for(const n of Array.from(this.markers)){if(!t.includes(n)){this.markers.remove(n);e=true}}if(e){this.fire("change:marker",{oldMarkers:n,directChange:false})}}_updateAttributes(t){const e=Hs(this._getSurroundingAttributes());const n=Hs(this.getAttributes());if(t){this._attributePriority=new Map;this._attrs=new Map}else{for(const[t,e]of this._attributePriority){if(e=="low"){this._attrs.delete(t);this._attributePriority.delete(t)}}}this._setAttributesTo(e);const i=[];for(const[t,e]of this.getAttributes()){if(!n.has(t)||n.get(t)!==e){i.push(t)}}for(const[t]of n){if(!this.hasAttribute(t)){i.push(t)}}if(i.length>0){this.fire("change:attribute",{attributeKeys:i,directChange:false})}}_setAttribute(t,e,n=true){const i=n?"normal":"low";if(i=="low"&&this._attributePriority.get(t)=="normal"){return false}const o=super.getAttribute(t);if(o===e){return false}this._attrs.set(t,e);this._attributePriority.set(t,i);return true}_removeAttribute(t,e=true){const n=e?"normal":"low";if(n=="low"&&this._attributePriority.get(t)=="normal"){return false}this._attributePriority.set(t,n);if(!super.hasAttribute(t)){return false}this._attrs.delete(t);return true}_setAttributesTo(t){const e=new Set;for(const[e,n]of this.getAttributes()){if(t.get(e)===n){continue}this._removeAttribute(e,false)}for(const[n,i]of t){const t=this._setAttribute(n,i,false);if(t){e.add(n)}}return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty){for(const e of t.getAttributeKeys()){if(e.startsWith(df)){const n=e.substr(df.length);yield[n,t.getAttribute(e)]}}}}_getSurroundingAttributes(){const t=this.getFirstPosition();const e=this._model.schema;let n=null;if(!this.isCollapsed){const t=this.getFirstRange();for(const i of t){if(i.item.is("element")&&e.isObject(i.item)){break}if(i.type=="text"){n=i.item.getAttributes();break}}}else{const e=t.textNode?t.textNode:t.nodeBefore;const i=t.textNode?t.textNode:t.nodeAfter;if(!this.isGravityOverridden){n=ff(e)}if(!n){n=ff(i)}if(!this.isGravityOverridden&&!n){let t=e;while(t&&!n){t=t.previousSibling;n=ff(t)}}if(!n){let t=i;while(t&&!n){t=t.nextSibling;n=ff(t)}}if(!n){n=this._getStoredAttributes()}}return n}_fixGraveyardSelection(t,e){const n=e.clone();const i=this._model.schema.getNearestSelectionRange(n);const o=this._ranges.indexOf(t);this._ranges.splice(o,1);t.detach();if(i){const t=this._prepareRange(i);this._ranges.splice(o,0,t)}}}function ff(t){if(t instanceof Bh||t instanceof zh){return t.getAttributes()}return null}function mf(t,e){const n=t.document.differ;for(const i of n.getChanges()){if(i.type!="insert"){continue}const n=i.position.parent;const o=i.length===n.maxOffset;if(o){t.enqueueChange(e,t=>{const e=Array.from(n.getAttributeKeys()).filter(t=>t.startsWith(df));for(const i of e){t.removeAttribute(i,n)}})}}}class gf{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers){t(e)}return this}}var pf=1,bf=4;function wf(t){return Hr(t,pf|bf)}var kf=wf;class _f extends gf{elementToElement(t){return this.add(Vf(t))}attributeToElement(t){return this.add(Df(t))}attributeToAttribute(t){return this.add(Lf(t))}markerToElement(t){return this.add(jf(t))}markerToHighlight(t){return this.add(zf(t))}}function vf(){return(t,e,n)=>{if(!n.consumable.consume(e.item,"insert")){return}const i=n.writer;const o=n.mapper.toViewPosition(e.range.start);const r=i.createText(e.item.data);i.insert(o,r)}}function yf(){return(t,e,n)=>{const i=n.mapper.toViewPosition(e.position);const o=e.position.getShiftedBy(e.length);const r=n.mapper.toViewPosition(o,{isPhantom:true});const s=n.writer.createRange(i,r);const a=n.writer.remove(s.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems()){n.mapper.unbindViewElement(t)}}}function xf(t){const e=new kl("span",t.attributes);if(t.classes){e._addClass(t.classes)}if(t.priority){e._priority=t.priority}e._id=t.id;return e}function Cf(){return(t,e,n)=>{const i=e.selection;if(i.isCollapsed){return}if(!n.consumable.consume(i,"selection")){return}const o=[];for(const t of i.getRanges()){const e=n.mapper.toViewRange(t);o.push(e)}n.writer.setSelection(o,{backward:i.isBackward})}}function Af(){return(t,e,n)=>{const i=e.selection;if(!i.isCollapsed){return}if(!n.consumable.consume(i,"selection")){return}const o=n.writer;const r=i.getFirstPosition();const s=n.mapper.toViewPosition(r);const a=o.breakAttributes(s);o.setSelection(a)}}function Tf(){return(t,e,n)=>{const i=n.writer;const o=i.document.selection;for(const t of o.getRanges()){if(t.isCollapsed){if(t.end.parent.document){n.writer.mergeAttributes(t.start)}}}i.setSelection(null)}}function Pf(t){return(e,n,i)=>{const o=t(n.attributeOldValue,i.writer);const r=t(n.attributeNewValue,i.writer);if(!o&&!r){return}if(!i.consumable.consume(n.item,e.name)){return}const s=i.writer;const a=s.document.selection;if(n.item instanceof Xh||n.item instanceof uf){s.wrap(a.getFirstRange(),r)}else{let t=i.mapper.toViewRange(n.range);if(n.attributeOldValue!==null&&o){t=s.unwrap(t,o)}if(n.attributeNewValue!==null&&r){s.wrap(t,r)}}}}function Sf(t){return(e,n,i)=>{const o=t(n.item,i.writer);if(!o){return}if(!i.consumable.consume(n.item,"insert")){return}const r=i.mapper.toViewPosition(n.range.start);i.mapper.bindElements(n.item,o);i.writer.insert(r,o)}}function Mf(t){return(e,n,i)=>{n.isOpening=true;const o=t(n,i.writer);n.isOpening=false;const r=t(n,i.writer);if(!o||!r){return}const s=n.markerRange;if(s.isCollapsed&&!i.consumable.consume(s,e.name)){return}for(const t of s){if(!i.consumable.consume(t.item,e.name)){return}}const a=i.mapper;const c=i.writer;c.insert(a.toViewPosition(s.start),o);i.mapper.bindElementToMarker(o,n.markerName);if(!s.isCollapsed){c.insert(a.toViewPosition(s.end),r);i.mapper.bindElementToMarker(r,n.markerName)}e.stop()}}function Ef(){return(t,e,n)=>{const i=n.mapper.markerNameToElements(e.markerName);if(!i){return}for(const t of i){n.mapper.unbindElementFromMarkerName(t,e.markerName);n.writer.clear(n.writer.createRangeOn(t),t)}n.writer.clearClonedElementsGroup(e.markerName);t.stop()}}function If(t){return(e,n,i)=>{const o=t(n.attributeOldValue,n);const r=t(n.attributeNewValue,n);if(!o&&!r){return}if(!i.consumable.consume(n.item,e.name)){return}const s=i.mapper.toViewElement(n.item);const a=i.writer;if(!s){throw new ss["b"]("conversion-attribute-to-attribute-on-text: "+"Trying to convert text node's attribute with attribute-to-attribute converter.",[n,i])}if(n.attributeOldValue!==null&&o){if(o.key=="class"){const t=Array.isArray(o.value)?o.value:[o.value];for(const e of t){a.removeClass(e,s)}}else if(o.key=="style"){const t=Object.keys(o.value);for(const e of t){a.removeStyle(e,s)}}else{a.removeAttribute(o.key,s)}}if(n.attributeNewValue!==null&&r){if(r.key=="class"){const t=Array.isArray(r.value)?r.value:[r.value];for(const e of t){a.addClass(e,s)}}else if(r.key=="style"){const t=Object.keys(r.value);for(const e of t){a.setStyle(e,r.value[e],s)}}else{a.setAttribute(r.key,r.value,s)}}}}function Nf(t){return(e,n,i)=>{if(!n.item){return}if(!(n.item instanceof Xh||n.item instanceof uf)&&!n.item.is("textProxy")){return}const o=Wf(t,n,i);if(!o){return}if(!i.consumable.consume(n.item,e.name)){return}const r=xf(o);const s=i.writer;const a=s.document.selection;if(n.item instanceof Xh||n.item instanceof uf){s.wrap(a.getFirstRange(),r,a)}else{const t=i.mapper.toViewRange(n.range);const e=s.wrap(t,r);for(const t of e.getItems()){if(t.is("attributeElement")&&t.isSimilar(r)){i.mapper.bindElementToMarker(t,n.markerName);break}}}}}function Of(t){return(e,n,i)=>{if(!n.item){return}if(!(n.item instanceof Hh)){return}const o=Wf(t,n,i);if(!o){return}if(!i.consumable.test(n.item,e.name)){return}const r=i.mapper.toViewElement(n.item);if(r&&r.getCustomProperty("addHighlight")){i.consumable.consume(n.item,e.name);for(const t of Gh._createIn(n.item)){i.consumable.consume(t.item,e.name)}r.getCustomProperty("addHighlight")(r,o,i.writer);i.mapper.bindElementToMarker(r,n.markerName)}}}function Rf(t){return(e,n,i)=>{if(n.markerRange.isCollapsed){return}const o=Wf(t,n,i);if(!o){return}const r=xf(o);const s=i.mapper.markerNameToElements(n.markerName);if(!s){return}for(const t of s){i.mapper.unbindElementFromMarkerName(t,n.markerName);if(t.is("attributeElement")){i.writer.unwrap(i.writer.createRangeOn(t),r)}else{t.getCustomProperty("removeHighlight")(t,o.id,i.writer)}}i.writer.clearClonedElementsGroup(n.markerName);e.stop()}}function Vf(t){t=kf(t);t.view=Bf(t.view,"container");return e=>{e.on("insert:"+t.model,Sf(t.view),{priority:t.converterPriority||"normal"})}}function Df(t){t=kf(t);const e=t.model.key?t.model.key:t.model;let n="attribute:"+e;if(t.model.name){n+=":"+t.model.name}if(t.model.values){for(const e of t.model.values){t.view[e]=Bf(t.view[e],"attribute")}}else{t.view=Bf(t.view,"attribute")}const i=Hf(t);return e=>{e.on(n,Pf(i),{priority:t.converterPriority||"normal"})}}function Lf(t){t=kf(t);const e=t.model.key?t.model.key:t.model;let n="attribute:"+e;if(t.model.name){n+=":"+t.model.name}if(t.model.values){for(const e of t.model.values){t.view[e]=Uf(t.view[e])}}else{t.view=Uf(t.view)}const i=Hf(t);return e=>{e.on(n,If(i),{priority:t.converterPriority||"normal"})}}function jf(t){t=kf(t);t.view=Bf(t.view,"ui");return e=>{e.on("addMarker:"+t.model,Mf(t.view),{priority:t.converterPriority||"normal"});e.on("removeMarker:"+t.model,Ef(t.view),{priority:t.converterPriority||"normal"})}}function zf(t){return e=>{e.on("addMarker:"+t.model,Nf(t.view),{priority:t.converterPriority||"normal"});e.on("addMarker:"+t.model,Of(t.view),{priority:t.converterPriority||"normal"});e.on("removeMarker:"+t.model,Rf(t.view),{priority:t.converterPriority||"normal"})}}function Bf(t,e){if(typeof t=="function"){return t}return(n,i)=>Ff(t,i,e)}function Ff(t,e,n){if(typeof t=="string"){t={name:t}}let i;const o=Object.assign({},t.attributes);if(n=="container"){i=e.createContainerElement(t.name,o)}else if(n=="attribute"){const n={priority:t.priority||kl.DEFAULT_PRIORITY};i=e.createAttributeElement(t.name,o,n)}else{i=e.createUIElement(t.name,o)}if(t.styles){const n=Object.keys(t.styles);for(const o of n){e.setStyle(o,t.styles[o],i)}}if(t.classes){const n=t.classes;if(typeof n=="string"){e.addClass(n,i)}else{for(const t of n){e.addClass(t,i)}}}return i}function Hf(t){if(t.model.values){return(e,n)=>{const i=t.view[e];if(i){return i(e,n)}return null}}else{return t.view}}function Uf(t){if(typeof t=="string"){return e=>({key:t,value:e})}else if(typeof t=="object"){if(t.value){return()=>t}else{return e=>({key:t.key,value:e})}}else{return t}}function Wf(t,e,n){const i=typeof t=="function"?t(e,n):t;if(!i){return null}if(!i.priority){i.priority=10}if(!i.id){i.id=e.markerName}return i}class qf extends gf{elementToElement(t){return this.add(Qf(t))}elementToAttribute(t){return this.add(Kf(t))}attributeToAttribute(t){return this.add(Jf(t))}elementToMarker(t){return this.add(Zf(t))}}function $f(){return(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:true})){const{modelRange:t,modelCursor:i}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t;e.modelCursor=i}}}function Gf(){return(t,e,n)=>{if(n.schema.checkChild(e.modelCursor,"$text")){if(n.consumable.consume(e.viewItem)){const t=n.writer.createText(e.viewItem.data);n.writer.insert(t,e.modelCursor);e.modelRange=Gh._createFromPositionAndShift(e.modelCursor,t.offsetSize);e.modelCursor=e.modelRange.end}}}}function Yf(t,e){return(n,i)=>{const o=i.newSelection;const r=new Xh;const s=[];for(const t of o.getRanges()){s.push(e.toModelRange(t))}r.setTo(s,{backward:o.isBackward});if(!r.isEqual(t.document.selection)){t.change(t=>{t.setSelection(r)})}}}function Qf(t){t=kf(t);const e=tm(t);const n=Xf(t.view);const i=n?"element:"+n:"element";return n=>{n.on(i,e,{priority:t.converterPriority||"normal"})}}function Kf(t){t=kf(t);im(t);const e=om(t,false);const n=Xf(t.view);const i=n?"element:"+n:"element";return n=>{n.on(i,e,{priority:t.converterPriority||"low"})}}function Jf(t){t=kf(t);let e=null;if(typeof t.view=="string"||t.view.key){e=nm(t)}im(t,e);const n=om(t,true);return e=>{e.on("element",n,{priority:t.converterPriority||"low"})}}function Zf(t){t=kf(t);am(t);return Qf(t)}function Xf(t){if(typeof t=="string"){return t}if(typeof t=="object"&&typeof t.name=="string"){return t.name}return null}function tm(t){const e=t.view?new Us(t.view):null;return(n,i,o)=>{let r={};if(e){const t=e.match(i.viewItem);if(!t){return}r=t.match}r.name=true;const s=em(t.model,i.viewItem,o.writer);if(!s){return}if(!o.consumable.test(i.viewItem,r)){return}const a=o.splitToAllowedParent(s,i.modelCursor);if(!a){return}o.writer.insert(s,a.position);o.convertChildren(i.viewItem,o.writer.createPositionAt(s,0));o.consumable.consume(i.viewItem,r);const c=o.getSplitParts(s);i.modelRange=new Gh(o.writer.createPositionBefore(s),o.writer.createPositionAfter(c[c.length-1]));if(a.cursorParent){i.modelCursor=o.writer.createPositionAt(a.cursorParent,0)}else{i.modelCursor=i.modelRange.end}}}function em(t,e,n){if(t instanceof Function){return t(e,n)}else{return n.createElement(t)}}function nm(t){if(typeof t.view=="string"){t.view={key:t.view}}const e=t.view.key;let n;if(e=="class"||e=="style"){const i=e=="class"?"classes":"styles";n={[i]:t.view.value}}else{const i=typeof t.view.value=="undefined"?/[\s\S]*/:t.view.value;n={attributes:{[e]:i}}}if(t.view.name){n.name=t.view.name}t.view=n;return e}function im(t,e=null){const n=e===null?true:t=>t.getAttribute(e);const i=typeof t.model!="object"?t.model:t.model.key;const o=typeof t.model!="object"||typeof t.model.value=="undefined"?n:t.model.value;t.model={key:i,value:o}}function om(t,e){const n=new Us(t.view);return(i,o,r)=>{const s=n.match(o.viewItem);if(!s){return}const a=t.model.key;const c=typeof t.model.value=="function"?t.model.value(o.viewItem):t.model.value;if(c===null){return}if(rm(t.view,o.viewItem)){s.match.name=true}else{delete s.match.name}if(!r.consumable.test(o.viewItem,s.match)){return}if(!o.modelRange){o=Object.assign(o,r.convertChildren(o.viewItem,o.modelCursor))}const l=sm(o.modelRange,{key:a,value:c},e,r);if(l){r.consumable.consume(o.viewItem,s.match)}}}function rm(t,e){const n=typeof t=="function"?t(e):t;if(typeof n=="object"&&!Xf(n)){return false}return!n.classes&&!n.attributes&&!n.styles}function sm(t,e,n,i){let o=false;for(const r of Array.from(t.getItems({shallow:n}))){if(i.schema.checkAttribute(r,e.key)){i.writer.setAttribute(e.key,e.value,r);o=true}}return o}function am(t){const e=t.model;t.model=(t,n)=>{const i=typeof e=="string"?e:e(t);return n.createElement("$marker",{"data-name":i})}}class cm{constructor(t){this.model=t;this.view=new Lh;this.mapper=new Yh;this.downcastDispatcher=new Jh({mapper:this.mapper});const e=this.model.document;const n=e.selection;const i=this.model.markers;this.listenTo(this.model,"_beforeChanges",()=>{this.view._disableRendering(true)},{priority:"highest"});this.listenTo(this.model,"_afterChanges",()=>{this.view._disableRendering(false)},{priority:"lowest"});this.listenTo(e,"change",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(e.differ,i,t);this.downcastDispatcher.convertSelection(n,i,t)})},{priority:"low"});this.listenTo(this.view.document,"selectionChange",Yf(this.model,this.mapper));this.downcastDispatcher.on("insert:$text",vf(),{priority:"lowest"});this.downcastDispatcher.on("remove",yf(),{priority:"low"});this.downcastDispatcher.on("selection",Tf(),{priority:"low"});this.downcastDispatcher.on("selection",Cf(),{priority:"low"});this.downcastDispatcher.on("selection",Af(),{priority:"low"});this.view.document.roots.bindTo(this.model.document.roots).using(t=>{if(t.rootName=="$graveyard"){return null}const e=new ll(t.name);e.rootName=t.rootName;e._document=this.view.document;this.mapper.bindElements(t,e);return e})}destroy(){this.view.destroy();this.stopListening()}}vs(cm,Qc);class lm{constructor(){this._commands=new Map}add(t,e){this._commands.set(t,e)}get(t){return this._commands.get(t)}execute(t,...e){const n=this.get(t);if(!n){throw new ss["b"]("commandcollection-command-not-found: Command does not exist.",this,{commandName:t})}n.execute(...e)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const t of this.commands()){t.destroy()}}}class dm{constructor(){this._consumables=new Map}add(t,e){let n;if(t.is("text")||t.is("documentFragment")){this._consumables.set(t,true);return}if(!this._consumables.has(t)){n=new um;this._consumables.set(t,n)}else{n=this._consumables.get(t)}n.add(e)}test(t,e){const n=this._consumables.get(t);if(n===undefined){return null}if(t.is("text")||t.is("documentFragment")){return n}return n.test(e)}consume(t,e){if(this.test(t,e)){if(t.is("text")||t.is("documentFragment")){this._consumables.set(t,false)}else{this._consumables.get(t).consume(e)}return true}return false}revert(t,e){const n=this._consumables.get(t);if(n!==undefined){if(t.is("text")||t.is("documentFragment")){this._consumables.set(t,true)}else{n.revert(e)}}}static consumablesFromElement(t){const e={name:true,attributes:[],classes:[],styles:[]};const n=t.getAttributeKeys();for(const t of n){if(t=="style"||t=="class"){continue}e.attributes.push(t)}const i=t.getClassNames();for(const t of i){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 dm}if(t.is("text")){e.add(t);return e}if(t.is("element")){e.add(t,dm.consumablesFromElement(t))}if(t.is("documentFragment")){e.add(t)}for(const n of t.getChildren()){e=dm.createFrom(n,e)}return e}}class um{constructor(){this._canConsumeName=null;this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){if(t.name){this._canConsumeName=true}for(const e in this._consumables){if(e in t){this._add(e,t[e])}}}test(t){if(t.name&&!this._canConsumeName){return this._canConsumeName}for(const e in this._consumables){if(e in t){const n=this._test(e,t[e]);if(n!==true){return n}}}return true}consume(t){if(t.name){this._canConsumeName=false}for(const e in this._consumables){if(e in t){this._consume(e,t[e])}}}revert(t){if(t.name){this._canConsumeName=true}for(const e in this._consumables){if(e in t){this._revert(e,t[e])}}}_add(t,e){const n=Qe(e)?e:[e];const i=this._consumables[t];for(const e of n){if(t==="attributes"&&(e==="class"||e==="style")){throw new ss["b"]("viewconsumable-invalid-attribute: Classes and styles should be handled separately.",this)}i.set(e,true);if(t==="styles"){for(const t of Nc.getRelatedStyles(e)){i.set(t,true)}}}}_test(t,e){const n=Qe(e)?e:[e];const i=this._consumables[t];for(const e of n){if(t==="attributes"&&(e==="class"||e==="style")){const t=e=="class"?"classes":"styles";const n=this._test(t,[...this._consumables[t].keys()]);if(n!==true){return n}}else{const t=i.get(e);if(t===undefined){return null}if(!t){return false}}}return true}_consume(t,e){const n=Qe(e)?e:[e];const i=this._consumables[t];for(const e of n){if(t==="attributes"&&(e==="class"||e==="style")){const t=e=="class"?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}else{i.set(e,false);if(t=="styles"){for(const t of Nc.getRelatedStyles(e)){i.set(t,false)}}}}}_revert(t,e){const n=Qe(e)?e:[e];const i=this._consumables[t];for(const e of n){if(t==="attributes"&&(e==="class"||e==="style")){const t=e=="class"?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}else{const t=i.get(e);if(t===false){i.set(e,true)}}}}}class hm{constructor(){this._sourceDefinitions={};this._attributeProperties={};this.decorate("checkChild");this.decorate("checkAttribute");this.on("checkAttribute",(t,e)=>{e[0]=new fm(e[0])},{priority:"highest"});this.on("checkChild",(t,e)=>{e[0]=new fm(e[0]);e[1]=this.getDefinition(e[1])},{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t]){throw new ss["b"]("schema-cannot-register-item-twice: A single item cannot be registered twice in the schema.",this,{itemName:t})}this._sourceDefinitions[t]=[Object.assign({},e)];this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t]){throw new ss["b"]("schema-cannot-extend-missing-item: Cannot extend an item which was not registered yet.",this,{itemName:t})}this._sourceDefinitions[t].push(Object.assign({},e));this._clearCache()}getDefinitions(){if(!this._compiledDefinitions){this._compile()}return this._compiledDefinitions}getDefinition(t){let e;if(typeof t=="string"){e=t}else if(t.is&&(t.is("text")||t.is("textProxy"))){e="$text"}else{e=t.name}return 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);if(!e){return false}return!!(e.isLimit||e.isObject)}isObject(t){const e=this.getDefinition(t);return!!(e&&e.isObject)}isInline(t){const e=this.getDefinition(t);return!!(e&&e.isInline)}checkChild(t,e){if(!e){return false}return this._checkContextMatch(e,t)}checkAttribute(t,e){const n=this.getDefinition(t.last);if(!n){return false}return n.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof $h){const e=t.nodeBefore;const n=t.nodeAfter;if(!(e instanceof Hh)){throw new ss["b"]("schema-check-merge-no-element-before: The node before the merge position must be an element.",this)}if(!(n instanceof Hh)){throw new ss["b"]("schema-check-merge-no-element-after: The node after the merge position must be an element.",this)}return this.checkMerge(e,n)}for(const n of e.getChildren()){if(!this.checkChild(t,n)){return false}}return true}addChildCheck(t){this.on("checkChild",(e,[n,i])=>{if(!i){return}const o=t(n,i);if(typeof o=="boolean"){e.stop();e.return=o}},{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",(e,[n,i])=>{const o=t(n,i);if(typeof o=="boolean"){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;if(t instanceof $h){e=t.parent}else{const n=t instanceof Gh?[t]:Array.from(t.getRanges());e=n.reduce((t,e)=>{const n=e.getCommonAncestor();if(!t){return n}return t.getCommonAncestor(n,{includeSelf:true})},null)}while(!this.isLimit(e)){if(e.parent){e=e.parent}else{break}}return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=t.getFirstPosition();const i=[...n.getAncestors(),new zh("",t.getAttributes())];return this.checkAttribute(i,e)}else{const n=t.getRanges();for(const t of n){for(const n of t){if(this.checkAttribute(n.item,e)){return true}}}}return false}*getValidRanges(t,e){t=Sm(t);for(const n of t){yield*this._getValidRangesForRange(n,e)}}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text")){return new Gh(t)}let n,i;if(e=="both"||e=="backward"){n=new Wh({startPosition:t,direction:"backward"})}if(e=="both"||e=="forward"){i=new Wh({startPosition:t})}for(const t of Pm(n,i)){const e=t.walker==n?"elementEnd":"elementStart";const i=t.value;if(i.type==e&&this.isObject(i.item)){return Gh._createOn(i.item)}if(this.checkChild(i.nextPosition,"$text")){return new Gh(i.nextPosition)}}return null}findAllowedParent(t,e){let n=t.parent;while(n){if(this.checkChild(n,e)){return n}if(this.isLimit(n)){return null}n=n.parent}return null}removeDisallowedAttributes(t,e){for(const n of t){if(n.is("text")){Mm(this,n,e)}else{const t=Gh._createIn(n);const i=t.getPositions();for(const t of i){const n=t.nodeBefore||t.parent;Mm(this,n,e)}}}}createContext(t){return new fm(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={};const e=this._sourceDefinitions;const n=Object.keys(e);for(const i of n){t[i]=mm(e[i],i)}for(const e of n){gm(t,e)}for(const e of n){pm(t,e)}for(const e of n){bm(t,e);wm(t,e)}for(const e of n){km(t,e);_m(t,e)}this._compiledDefinitions=t}_checkContextMatch(t,e,n=e.length-1){const i=e.getItem(n);if(t.allowIn.includes(i.name)){if(n==0){return true}else{const t=this.getDefinition(i);return this._checkContextMatch(t,e,n-1)}}else{return false}}*_getValidRangesForRange(t,e){let n=t.start;let i=t.start;for(const o of t.getItems({shallow:true})){if(o.is("element")){yield*this._getValidRangesForRange(Gh._createIn(o),e)}if(!this.checkAttribute(o,e)){if(!n.isEqual(i)){yield new Gh(n,i)}n=$h._createAfter(o)}i=$h._createAfter(o)}if(!n.isEqual(i)){yield new Gh(n,i)}}}vs(hm,Qc);class fm{constructor(t){if(t instanceof fm){return t}if(typeof t=="string"){t=[t]}else if(!Array.isArray(t)){t=t.getAncestors({includeSelf:true})}if(t[0]&&typeof t[0]!="string"&&t[0].is("documentFragment")){t.shift()}this._items=t.map(Tm)}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 fm([t]);e._items=[...this._items,...e._items];return 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 mm(t,e){const n={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};vm(t,n);ym(t,n,"allowIn");ym(t,n,"allowContentOf");ym(t,n,"allowWhere");ym(t,n,"allowAttributes");ym(t,n,"allowAttributesOf");ym(t,n,"inheritTypesFrom");xm(t,n);return n}function gm(t,e){for(const n of t[e].allowContentOf){if(t[n]){const i=Cm(t,n);i.forEach(t=>{t.allowIn.push(e)})}}delete t[e].allowContentOf}function pm(t,e){for(const n of t[e].allowWhere){const i=t[n];if(i){const n=i.allowIn;t[e].allowIn.push(...n)}}delete t[e].allowWhere}function bm(t,e){for(const n of t[e].allowAttributesOf){const i=t[n];if(i){const n=i.allowAttributes;t[e].allowAttributes.push(...n)}}delete t[e].allowAttributesOf}function wm(t,e){const n=t[e];for(const e of n.inheritTypesFrom){const i=t[e];if(i){const t=Object.keys(i).filter(t=>t.startsWith("is"));for(const e of t){if(!(e in n)){n[e]=i[e]}}}}delete n.inheritTypesFrom}function km(t,e){const n=t[e];const i=n.allowIn.filter(e=>t[e]);n.allowIn=Array.from(new Set(i))}function _m(t,e){const n=t[e];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function vm(t,e){for(const n of t){const t=Object.keys(n).filter(t=>t.startsWith("is"));for(const i of t){e[i]=n[i]}}}function ym(t,e,n){for(const i of t){if(typeof i[n]=="string"){e[n].push(i[n])}else if(Array.isArray(i[n])){e[n].push(...i[n])}}}function xm(t,e){for(const n of t){const t=n.inheritAllFrom;if(t){e.allowContentOf.push(t);e.allowWhere.push(t);e.allowAttributesOf.push(t);e.inheritTypesFrom.push(t)}}}function Cm(t,e){const n=t[e];return Am(t).filter(t=>t.allowIn.includes(n.name))}function Am(t){return Object.keys(t).map(e=>t[e])}function Tm(t){if(typeof t=="string"){return{name:t,*getAttributeKeys(){},getAttribute(){}}}else{return{name:t.is("element")?t.name:"$text",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute(e){return t.getAttribute(e)}}}}function*Pm(t,e){let n=false;while(!n){n=true;if(t){const e=t.next();if(!e.done){n=false;yield{walker:t,value:e.value}}}if(e){const t=e.next();if(!t.done){n=false;yield{walker:e,value:t.value}}}}}function*Sm(t){for(const e of t){yield*e.getMinimalFlatRanges()}}function Mm(t,e,n){for(const i of e.getAttributeKeys()){if(!t.checkAttribute(e,i)){n.removeAttribute(i,e)}}}class Em{constructor(t={}){this._splitParts=new Map;this._modelCursor=null;this.conversionApi=Object.assign({},t);this.conversionApi.convertItem=this._convertItem.bind(this);this.conversionApi.convertChildren=this._convertChildren.bind(this);this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this);this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=["$root"]){this.fire("viewCleanup",t);this._modelCursor=Nm(n,e);this.conversionApi.writer=e;this.conversionApi.consumable=dm.createFrom(t);this.conversionApi.store={};const{modelRange:i}=this._convertItem(t,this._modelCursor);const o=e.createDocumentFragment();if(i){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren())){e.append(t,o)}o.markers=Im(o,e)}this._modelCursor=null;this._splitParts.clear();this.conversionApi.writer=null;this.conversionApi.store=null;return o}_convertItem(t,e){const n=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")){this.fire("element:"+t.name,n,this.conversionApi)}else if(t.is("text")){this.fire("text",n,this.conversionApi)}else{this.fire("documentFragment",n,this.conversionApi)}if(n.modelRange&&!(n.modelRange instanceof Gh)){throw new ss["b"]("view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.",this)}return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(t,e){const n=new Gh(e);let i=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,i);if(t.modelRange instanceof Gh){n.end=t.modelRange.end;i=t.modelCursor}}return{modelRange:n,modelCursor:i}}_splitToAllowedParent(t,e){const n=this.conversionApi.schema.findAllowedParent(e,t);if(!n){return null}if(n===e.parent){return{position:e}}if(this._modelCursor.parent.getAncestors().includes(n)){return null}const i=this.conversionApi.writer.split(e,n);const o=[];for(const t of i.range.getWalker()){if(t.type=="elementEnd"){o.push(t.item)}else{const e=o.pop();const n=t.item;this._registerSplitPair(e,n)}}return{position:i.position,cursorParent:i.range.end.parent}}_registerSplitPair(t,e){if(!this._splitParts.has(t)){this._splitParts.set(t,[t])}const n=this._splitParts.get(t);this._splitParts.set(e,n);n.push(e)}_getSplitParts(t){let e;if(!this._splitParts.has(t)){e=[t]}else{e=this._splitParts.get(t)}return e}_removeEmptyElements(){let t=false;for(const e of this._splitParts.keys()){if(e.isEmpty){this.conversionApi.writer.remove(e);this._splitParts.delete(e);t=true}}if(t){this._removeEmptyElements()}}}vs(Em,ds);function Im(t,e){const n=new Set;const i=new Map;const o=Gh._createIn(t).getItems();for(const t of o){if(t.name=="$marker"){n.add(t)}}for(const t of n){const n=t.getAttribute("data-name");const o=e.createPositionBefore(t);if(!i.has(n)){i.set(n,new Gh(o.clone()))}else{i.get(n).end=o.clone()}e.remove(t)}return i}function Nm(t,e){let n;for(const i of new fm(t)){const t={};for(const e of i.getAttributeKeys()){t[e]=i.getAttribute(e)}const o=e.createElement(i.name,t);if(n){e.append(o,n)}n=$h._createAt(o,0)}return n}class Om{constructor(t,e){this.model=t;this.processor=e;this.mapper=new Yh;this.downcastDispatcher=new Jh({mapper:this.mapper});this.downcastDispatcher.on("insert:$text",vf(),{priority:"lowest"});this.upcastDispatcher=new Em({schema:t.schema});this.upcastDispatcher.on("text",Gf(),{priority:"lowest"});this.upcastDispatcher.on("element",$f(),{priority:"lowest"});this.upcastDispatcher.on("documentFragment",$f(),{priority:"lowest"});this.decorate("init");this.on("init",()=>{this.fire("ready")},{priority:"lowest"})}get(t){const{rootName:e="main",trim:n="empty"}=t||{};if(!this._checkIfRootsExists([e])){throw new ss["b"]("datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.",this)}const i=this.model.document.getRoot(e);if(n==="empty"&&!this.model.hasContent(i,{ignoreWhitespaces:true})){return""}return this.stringify(i)}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){this.mapper.clearBindings();const e=Gh._createIn(t);const n=new ql;const i=new Gl(new bl);this.mapper.bindElements(t,n);this.downcastDispatcher.convertInsert(e,i);if(!t.is("documentFragment")){const e=Rm(t);for(const[t,n]of e){this.downcastDispatcher.convertMarkerAdd(t,n,i)}}return n}init(t){if(this.model.document.version){throw new ss["b"]("datacontroller-init-document-not-empty: Trying to set initial data to not empty document.",this)}let e={};if(typeof t==="string"){e.main=t}else{e=t}if(!this._checkIfRootsExists(Object.keys(e))){throw new ss["b"]("datacontroller-init-non-existent-root: Attempting to init data on a non-existing root.",this)}this.model.enqueueChange("transparent",t=>{for(const n of Object.keys(e)){const i=this.model.document.getRoot(n);t.insert(this.parse(e[n],i),i,0)}});return Promise.resolve()}set(t){let e={};if(typeof t==="string"){e.main=t}else{e=t}if(!this._checkIfRootsExists(Object.keys(e))){throw new ss["b"]("datacontroller-set-non-existent-root: Attempting to set data on a non-existing root.",this)}this.model.enqueueChange("transparent",t=>{t.setSelection(null);t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const n of Object.keys(e)){const i=this.model.document.getRoot(n);t.remove(t.createRangeIn(i));t.insert(this.parse(e[n],i),i,0)}})}parse(t,e="$root"){const n=this.processor.toView(t);return this.toModel(n,e)}toModel(t,e="$root"){return this.model.change(n=>this.upcastDispatcher.convert(t,n,e))}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t){if(!this.model.document.getRootNames().includes(e)){return false}}return true}}vs(Om,Qc);function Rm(t){const e=[];const n=t.root.document;if(!n){return[]}const i=Gh._createIn(t);for(const t of n.model.markers){const n=i.getIntersection(t.getRange());if(n){e.push([t.name,n])}}return e}class Vm{constructor(t,e){this._helpers=new Map;this._downcast=Array.isArray(t)?t:[t];this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:true});this._upcast=Array.isArray(e)?e:[e];this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:false})}addAlias(t,e){const n=this._downcast.includes(e);const i=this._upcast.includes(e);if(!i&&!n){throw new ss["b"]("conversion-add-alias-dispatcher-not-registered: "+"Trying to register and alias for a dispatcher that nas not been registered.",this)}this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:n})}for(t){if(!this._helpers.has(t)){throw new ss["b"]("conversion-for-unknown-group: Trying to add a converter to an unknown dispatchers group.",this)}return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:n}of Dm(t)){this.for("upcast").elementToElement({model:e,view:n,converterPriority:t.converterPriority})}}attributeToElement(t){this.for("downcast").attributeToElement(t);for(const{model:e,view:n}of Dm(t)){this.for("upcast").elementToAttribute({view:n,model:e,converterPriority:t.converterPriority})}}attributeToAttribute(t){this.for("downcast").attributeToAttribute(t);for(const{model:e,view:n}of Dm(t)){this.for("upcast").attributeToAttribute({view:n,model:e})}}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t)){throw new ss["b"]("conversion-group-exists: Trying to register a group name that has already been registered.",this)}const i=n?new _f(e):new qf(e);this._helpers.set(t,i)}}function*Dm(t){if(t.model.values){for(const e of t.model.values){const n={key:t.model.key,value:e};const i=t.view[e];const o=t.upcastAlso?t.upcastAlso[e]:undefined;yield*Lm(n,i,o)}}else{yield*Lm(t.model,t.view,t.upcastAlso)}}function*Lm(t,e,n){yield{model:t,view:e};if(n){n=Array.isArray(n)?n:[n];for(const e of n){yield{model:t,view:e}}}}class jm{constructor(t="default"){this.operations=[];this.type=t}get baseVersion(){for(const t of this.operations){if(t.baseVersion!==null){return t.baseVersion}}return null}addOperation(t){t.batch=this;this.operations.push(t);return t}}class zm{constructor(t){this.baseVersion=t;this.isDocumentOperation=this.baseVersion!==null;this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);t.__className=this.constructor.className;delete t.batch;delete t.isDocumentOperation;return t}static get className(){return"Operation"}static fromJSON(t){return new this(t.baseVersion)}}class Bm{constructor(t){this.markers=new Map;this._children=new Fh;if(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 this.childCount===0}get root(){return this}get parent(){return null}is(t){return t=="documentFragment"||t=="model:documentFragment"}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}getPath(){return[]}getNodeByPath(t){let e=this;for(const n of t){e=e.getChild(e.offsetToIndex(n))}return e}offsetToIndex(t){return this._children.offsetToIndex(t)}toJSON(){const t=[];for(const e of this._children){t.push(e.toJSON())}return t}static fromJSON(t){const e=[];for(const n of t){if(n.name){e.push(Hh.fromJSON(n))}else{e.push(zh.fromJSON(n))}}return new Bm(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=Fm(e);for(const t of n){if(t.parent!==null){t._remove()}t.parent=this}this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n){t.parent=null}return n}}function Fm(t){if(typeof t=="string"){return[new zh(t)]}if(!Fs(t)){t=[t]}return Array.from(t).map(t=>{if(typeof t=="string"){return new zh(t)}if(t instanceof Bh){return new zh(t.data,t.getAttributes())}return t})}function Hm(t,e){e=$m(e);const n=e.reduce((t,e)=>t+e.offsetSize,0);const i=t.parent;Ym(t);const o=t.index;i._insertChild(o,e);Gm(i,o+e.length);Gm(i,o);return new Gh(t,t.getShiftedBy(n))}function Um(t){if(!t.isFlat){throw new ss["b"]("operation-utils-remove-range-not-flat: "+"Trying to remove a range which starts and ends in different element.",this)}const e=t.start.parent;Ym(t.start);Ym(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);Gm(e,t.start.index);return n}function Wm(t,e){if(!t.isFlat){throw new ss["b"]("operation-utils-move-range-not-flat: "+"Trying to move a range which starts and ends in different element.",this)}const n=Um(t);e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset);return Hm(e,n)}function qm(t,e,n){Ym(t.start);Ym(t.end);for(const i of t.getItems({shallow:true})){const t=i.is("textProxy")?i.textNode:i;if(n!==null){t._setAttribute(e,n)}else{t._removeAttribute(e)}Gm(t.parent,t.index)}Gm(t.end.parent,t.end.index)}function $m(t){const e=[];if(!(t instanceof Array)){t=[t]}for(let n=0;nt.maxOffset){throw new ss["b"]("move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.",this)}else if(t===e&&n=n&&this.targetPosition.path[t]t._clone(true)));const e=new eg(this.position,t,this.baseVersion);e.shouldReceiveAttributes=this.shouldReceiveAttributes;return e}getReversed(){const t=this.position.root.document.graveyard;const e=new $h(t,[0]);return new tg(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffsett._clone(true)));Hm(this.position,t)}toJSON(){const t=super.toJSON();t.position=this.position.toJSON();t.nodes=this.nodes.toJSON();return t}static get className(){return"InsertOperation"}static fromJSON(t,e){const n=[];for(const e of t.nodes){if(e.name){n.push(Hh.fromJSON(e))}else{n.push(zh.fromJSON(e))}}const i=new eg($h.fromJSON(t.position,e),n,t.baseVersion);i.shouldReceiveAttributes=t.shouldReceiveAttributes;return i}}class ng extends zm{constructor(t,e,n,i,o,r){super(r);this.name=t;this.oldRange=e?e.clone():null;this.newRange=n?n.clone():null;this.affectsData=o;this._markers=i}get type(){return"marker"}clone(){return new ng(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new ng(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,true,this.affectsData)}toJSON(){const t=super.toJSON();if(this.oldRange){t.oldRange=this.oldRange.toJSON()}if(this.newRange){t.newRange=this.newRange.toJSON()}delete t._markers;return t}static get className(){return"MarkerOperation"}static fromJSON(t,e){return new ng(t.name,t.oldRange?Gh.fromJSON(t.oldRange,e):null,t.newRange?Gh.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class ig extends zm{constructor(t,e,n,i){super(i);this.position=t;this.position.stickiness="toNext";this.oldName=e;this.newName=n}get type(){return"rename"}clone(){return new ig(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new ig(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof Hh)){throw new ss["b"]("rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.",this)}else if(t.name!==this.oldName){throw new ss["b"]("rename-operation-wrong-name: Element to change has different name than operation's old name.",this)}}_execute(){const t=this.position.nodeAfter;t.name=this.newName}toJSON(){const t=super.toJSON();t.position=this.position.toJSON();return t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new ig($h.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class og extends zm{constructor(t,e,n,i,o){super(o);this.root=t;this.key=e;this.oldValue=n;this.newValue=i}get type(){if(this.oldValue===null){return"addRootAttribute"}else if(this.newValue===null){return"removeRootAttribute"}else{return"changeRootAttribute"}}clone(){return new og(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new og(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment")){throw new ss["b"]("rootattribute-operation-not-a-root: The element to change is not a root element.",this,{root:this.root,key:this.key})}if(this.oldValue!==null&&this.root.getAttribute(this.key)!==this.oldValue){throw new ss["b"]("rootattribute-operation-wrong-old-value: Changed node has different attribute value than operation's "+"old attribute value.",this,{root:this.root,key:this.key})}if(this.oldValue===null&&this.newValue!==null&&this.root.hasAttribute(this.key)){throw new ss["b"]("rootattribute-operation-attribute-exists: The attribute with given key already exists.",this,{root:this.root,key:this.key})}}_execute(){if(this.newValue!==null){this.root._setAttribute(this.key,this.newValue)}else{this.root._removeAttribute(this.key)}}toJSON(){const t=super.toJSON();t.root=this.root.toJSON();return t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root)){throw new ss["b"]("rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.",this,{rootName:t.root})}return new og(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class rg extends zm{constructor(t,e,n,i,o){super(o);this.sourcePosition=t.clone();this.sourcePosition.stickiness="toPrevious";this.howMany=e;this.targetPosition=n.clone();this.targetPosition.stickiness="toNext";this.graveyardPosition=i.clone()}get type(){return"merge"}get deletionPosition(){return new $h(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Gh(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);const e=this.sourcePosition.path.slice(0,-1);const n=new $h(this.sourcePosition.root,e)._getTransformedByMergeOperation(this);const i=new sg(t,this.howMany,this.graveyardPosition,this.baseVersion+1);i.insertionPosition=n;return i}_validate(){const t=this.sourcePosition.parent;const e=this.targetPosition.parent;if(!t.parent){throw new ss["b"]("merge-operation-source-position-invalid: Merge source position is invalid.",this)}else if(!e.parent){throw new ss["b"]("merge-operation-target-position-invalid: Merge target position is invalid.",this)}else if(this.howMany!=t.maxOffset){throw new ss["b"]("merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.",this)}}_execute(){const t=this.sourcePosition.parent;const e=Gh._createIn(t);Wm(e,this.targetPosition);Wm(Gh._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();t.sourcePosition=t.sourcePosition.toJSON();t.targetPosition=t.targetPosition.toJSON();t.graveyardPosition=t.graveyardPosition.toJSON();return t}static get className(){return"MergeOperation"}static fromJSON(t,e){const n=$h.fromJSON(t.sourcePosition,e);const i=$h.fromJSON(t.targetPosition,e);const o=$h.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,i,o,t.baseVersion)}}class sg extends zm{constructor(t,e,n,i){super(i);this.splitPosition=t.clone();this.splitPosition.stickiness="toNext";this.howMany=e;this.insertionPosition=sg.getInsertionPosition(t);this.insertionPosition.stickiness="toNone";this.graveyardPosition=n?n.clone():null;if(this.graveyardPosition){this.graveyardPosition.stickiness="toNext"}}get type(){return"split"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();t.push(0);return new $h(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Gh(this.splitPosition,t)}clone(){const t=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);t.insertionPosition=this.insertionPosition;return t}getReversed(){const t=this.splitPosition.root.document.graveyard;const e=new $h(t,[0]);return new rg(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent;const e=this.splitPosition.offset;if(!t||t.maxOffset{for(const e of t.getAttributeKeys()){this.removeAttribute(e,t)}};if(!(t instanceof Gh)){e(t)}else{for(const n of t.getItems()){e(n)}}}move(t,e,n){this._assertWriterUsedCorrectly();if(!(t instanceof Gh)){throw new ss["b"]("writer-move-invalid-range: Invalid range to move.",this)}if(!t.isFlat){throw new ss["b"]("writer-move-range-not-flat: Range to move is not flat.",this)}const i=$h._createAt(e,n);if(i.isEqual(t.start)){return}this._addOperationForAffectedMarkers("move",t);if(!fg(t.root,i.root)){throw new ss["b"]("writer-move-different-document: Range is going to be moved between different documents.",this)}const o=t.root.document?t.root.document.version:null;const r=new tg(t.start,t.end.offset-t.start.offset,i,o);this.batch.addOperation(r);this.model.applyOperation(r)}remove(t){this._assertWriterUsedCorrectly();const e=t instanceof Gh?t:Gh._createOn(t);const n=e.getMinimalFlatRanges().reverse();for(const t of n){this._addOperationForAffectedMarkers("move",t);hg(t.start,t.end.offset-t.start.offset,this.batch,this.model)}}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore;const n=t.nodeAfter;this._addOperationForAffectedMarkers("merge",t);if(!(e instanceof Hh)){throw new ss["b"]("writer-merge-no-element-before: Node before merge position must be an element.",this)}if(!(n instanceof Hh)){throw new ss["b"]("writer-merge-no-element-after: Node after merge position must be an element.",this)}if(!t.root.document){this._mergeDetached(t)}else{this._merge(t)}}createPositionFromPath(t,e,n){return this.model.createPositionFromPath(t,e,n)}createPositionAt(t,e){return this.model.createPositionAt(t,e)}createPositionAfter(t){return this.model.createPositionAfter(t)}createPositionBefore(t){return this.model.createPositionBefore(t)}createRange(t,e){return this.model.createRange(t,e)}createRangeIn(t){return this.model.createRangeIn(t)}createRangeOn(t){return this.model.createRangeOn(t)}createSelection(t,e,n){return this.model.createSelection(t,e,n)}_mergeDetached(t){const e=t.nodeBefore;const n=t.nodeAfter;this.move(Gh._createIn(n),$h._createAt(e,"end"));this.remove(n)}_merge(t){const e=$h._createAt(t.nodeBefore,"end");const n=$h._createAt(t.nodeAfter,0);const i=t.root.document.graveyard;const o=new $h(i,[0]);const r=t.root.document.version;const s=new rg(n,t.nodeAfter.maxOffset,e,o,r);this.batch.addOperation(s);this.model.applyOperation(s)}rename(t,e){this._assertWriterUsedCorrectly();if(!(t instanceof Hh)){throw new ss["b"]("writer-rename-not-element-instance: Trying to rename an object which is not an instance of Element.",this)}const n=t.root.document?t.root.document.version:null;const i=new ig($h._createBefore(t),t.name,e,n);this.batch.addOperation(i);this.model.applyOperation(i)}split(t,e){this._assertWriterUsedCorrectly();let n=t.parent;if(!n.parent){throw new ss["b"]("writer-split-element-no-parent: Element with no parent can not be split.",this)}if(!e){e=n.parent}if(!t.parent.getAncestors({includeSelf:true}).includes(e)){throw new ss["b"]("writer-split-invalid-limit-element: Limit element is not a position ancestor.",this)}let i,o;do{const e=n.root.document?n.root.document.version:null;const r=n.maxOffset-t.offset;const s=new sg(t,r,null,e);this.batch.addOperation(s);this.model.applyOperation(s);if(!i&&!o){i=n;o=t.parent.nextSibling}t=this.createPositionAfter(t.parent);n=t.parent}while(n!==e);return{position:t,range:new Gh($h._createAt(i,"end"),$h._createAt(o,0))}}wrap(t,e){this._assertWriterUsedCorrectly();if(!t.isFlat){throw new ss["b"]("writer-wrap-range-not-flat: Range to wrap is not flat.",this)}const n=e instanceof Hh?e:new Hh(e);if(n.childCount>0){throw new ss["b"]("writer-wrap-element-not-empty: Element to wrap with is not empty.",this)}if(n.parent!==null){throw new ss["b"]("writer-wrap-element-attached: Element to wrap with is already attached to tree model.",this)}this.insert(n,t.start);const i=new Gh(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(i,$h._createAt(n,0))}unwrap(t){this._assertWriterUsedCorrectly();if(t.parent===null){throw new ss["b"]("writer-unwrap-element-no-parent: Trying to unwrap an element which has no parent.",this)}this.move(Gh._createIn(t),this.createPositionAfter(t));this.remove(t)}addMarker(t,e){this._assertWriterUsedCorrectly();if(!e||typeof e.usingOperation!="boolean"){throw new ss["b"]("writer-addMarker-no-usingOperation: The options.usingOperation parameter is required when adding a new marker.",this)}const n=e.usingOperation;const i=e.range;const o=e.affectsData===undefined?false:e.affectsData;if(this.model.markers.has(t)){throw new ss["b"]("writer-addMarker-marker-exists: Marker with provided name already exists.",this)}if(!i){throw new ss["b"]("writer-addMarker-no-range: Range parameter is required when adding a new marker.",this)}if(!n){return this.model.markers._set(t,i,n,o)}ug(this,t,null,i,o);return this.model.markers.get(t)}updateMarker(t,e){this._assertWriterUsedCorrectly();const n=typeof t=="string"?t:t.name;const i=this.model.markers.get(n);if(!i){throw new ss["b"]("writer-updateMarker-marker-not-exists: Marker with provided name does not exists.",this)}if(!e){this.model.markers._refresh(i);return}const o=typeof e.usingOperation=="boolean";const r=typeof e.affectsData=="boolean";const s=r?e.affectsData:i.affectsData;if(!o&&!e.range&&!r){throw new ss["b"]("writer-updateMarker-wrong-options: One of the options is required - provide range, usingOperations or affectsData.",this)}const a=i.getRange();const c=e.range?e.range:a;if(o&&e.usingOperation!==i.managedUsingOperations){if(e.usingOperation){ug(this,n,null,c,s)}else{ug(this,n,a,null,s);this.model.markers._set(n,c,undefined,s)}return}if(i.managedUsingOperations){ug(this,n,a,c,s)}else{this.model.markers._set(n,c,undefined,s)}}removeMarker(t){this._assertWriterUsedCorrectly();const e=typeof t=="string"?t:t.name;if(!this.model.markers.has(e)){throw new ss["b"]("writer-removeMarker-no-marker: Trying to remove marker which does not exist.",this)}const n=this.model.markers.get(e);if(!n.managedUsingOperations){this.model.markers._remove(e);return}const i=n.getRange();ug(this,e,i,null,n.affectsData)}setSelection(t,e,n){this._assertWriterUsedCorrectly();this.model.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this._assertWriterUsedCorrectly();this.model.document.selection._setFocus(t,e)}setSelectionAttribute(t,e){this._assertWriterUsedCorrectly();if(typeof t==="string"){this._setSelectionAttribute(t,e)}else{for(const[e,n]of Hs(t)){this._setSelectionAttribute(e,n)}}}removeSelectionAttribute(t){this._assertWriterUsedCorrectly();if(typeof t==="string"){this._removeSelectionAttribute(t)}else{for(const e of t){this._removeSelectionAttribute(e)}}}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(t){this.model.document.selection._restoreGravity(t)}_setSelectionAttribute(t,e){const n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const i=uf._getStoreAttributeKey(t);this.setAttribute(i,e,n.anchor.parent)}n._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const n=uf._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this){throw new ss["b"]("writer-incorrect-use: Trying to use a writer outside the change() block.",this)}}_addOperationForAffectedMarkers(t,e){for(const n of this.model.markers){if(!n.managedUsingOperations){continue}const i=n.getRange();let o=false;if(t=="move"){o=e.containsPosition(i.start)||e.start.isEqual(i.start)||e.containsPosition(i.end)||e.end.isEqual(i.end)}else{const t=e.nodeBefore;const n=e.nodeAfter;const r=i.start.parent==t&&i.start.isAtEnd;const s=i.end.parent==n&&i.end.offset==0;const a=i.end.nodeAfter==n;const c=i.start.nodeAfter==n;o=r||s||a||c}if(o){this.updateMarker(n.name,{range:i})}}}}function lg(t,e,n,i){const o=t.model;const r=o.document;let s=i.start;let a;let c;let l;for(const t of i.getWalker({shallow:true})){l=t.item.getAttribute(e);if(a&&c!=l){if(c!=n){d()}s=a}a=t.nextPosition;c=l}if(a instanceof $h&&a!=s&&c!=n){d()}function d(){const i=new Gh(s,a);const l=i.root.document?r.version:null;const d=new Zm(i,e,c,n,l);t.batch.addOperation(d);o.applyOperation(d)}}function dg(t,e,n,i){const o=t.model;const r=o.document;const s=i.getAttribute(e);let a,c;if(s!=n){const l=i.root===i;if(l){const t=i.document?r.version:null;c=new og(i,e,s,n,t)}else{a=new Gh($h._createBefore(i),t.createPositionAfter(i));const o=a.root.document?r.version:null;c=new Zm(a,e,s,n,o)}t.batch.addOperation(c);o.applyOperation(c)}}function ug(t,e,n,i,o){const r=t.model;const s=r.document;const a=new ng(e,n,i,r.markers,o,s.version);t.batch.addOperation(a);r.applyOperation(a)}function hg(t,e,n,i){let o;if(t.root.document){const n=i.document;const r=new $h(n.graveyard,[0]);o=new tg(t,e,r,n.version)}else{o=new Xm(t,e)}n.addOperation(o);i.applyOperation(o)}function fg(t,e){if(t===e){return true}if(t instanceof ag&&e instanceof ag){return true}return false}class mg{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 this._changesInElement.size==0&&this._changedMarkers.size==0}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=Gh._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:true})){if(this._isInInsertedElement(e.parent)){continue}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);const n=this._isInInsertedElement(t.targetPosition.parent);if(!e){this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany)}if(!n){this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany)}break}case"rename":{if(this._isInInsertedElement(t.position.parent)){return}this._markRemove(t.position.parent,t.position.offset,1);this._markInsert(t.position.parent,t.position.offset,1);const e=Gh._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;if(!this._isInInsertedElement(e)){this._markRemove(e,t.splitPosition.offset,t.howMany)}if(!this._isInInsertedElement(t.insertionPosition.parent)){this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1)}if(t.graveyardPosition){this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1)}break}case"merge":{const e=t.sourcePosition.parent;if(!this._isInInsertedElement(e.parent)){this._markRemove(e.parent,e.startOffset,1)}const n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const i=t.targetPosition.parent;if(!this._isInInsertedElement(i)){this._markInsert(i,t.targetPosition.offset,e.maxOffset)}break}}this._cachedChanges=null}bufferMarkerChange(t,e,n,i){const o=this._changedMarkers.get(t);if(!o){this._changedMarkers.set(t,{oldRange:e,newRange:n,affectsData:i})}else{o.newRange=n;o.affectsData=i;if(o.oldRange==null&&o.newRange==null){this._changedMarkers.delete(t)}}}getMarkersToRemove(){const t=[];for(const[e,n]of this._changedMarkers){if(n.oldRange!=null){t.push({name:e,range:n.oldRange})}}return t}getMarkersToAdd(){const t=[];for(const[e,n]of this._changedMarkers){if(n.newRange!=null){t.push({name:e,range:n.newRange})}}return t}getChangedMarkers(){return Array.from(this._changedMarkers).map(t=>({name:t[0],data:{oldRange:t[1].oldRange,newRange:t[1].newRange}}))}hasDataChanges(){for(const[,t]of this._changedMarkers){if(t.affectsData){return true}}return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:false}){if(this._cachedChanges){if(t.includeChangesInGraveyard){return this._cachedChangesWithGraveyard.slice()}else{return this._cachedChanges.slice()}}const e=[];for(const t of this._changesInElement.keys()){const n=this._changesInElement.get(t).sort((t,e)=>{if(t.offset===e.offset){if(t.type!=e.type){return t.type=="remove"?-1:1}return 0}return t.offset{if(t.position.root!=e.position.root){return t.position.root.rootNamen.offset){if(i>o){const t={type:"attribute",offset:o,howMany:i-o,count:this._changeCount++};this._handleChange(t,e);e.push(t)}t.nodesToHandle=n.offset-t.offset;t.howMany=t.nodesToHandle}else if(t.offset>=n.offset&&t.offseto){t.nodesToHandle=i-o;t.offset=o}else{t.nodesToHandle=0}}}if(n.type=="remove"){if(t.offsetn.offset){const o={type:"attribute",offset:n.offset,howMany:i-n.offset,count:this._changeCount++};this._handleChange(o,e);e.push(o);t.nodesToHandle=n.offset-t.offset;t.howMany=t.nodesToHandle}}if(n.type=="attribute"){if(t.offset>=n.offset&&i<=o){t.nodesToHandle=0;t.howMany=0;t.offset=0}else if(t.offset<=n.offset&&i>=o){n.howMany=0}}}}t.howMany=t.nodesToHandle;delete t.nodesToHandle}_getInsertDiff(t,e,n){return{type:"insert",position:$h._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:"remove",position:$h._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,n){const i=[];n=new Map(n);for(const[o,r]of e){const e=n.has(o)?n.get(o):null;if(e!==r){i.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:o,attributeOldValue:r,attributeNewValue:e,changeCount:this._changeCount++})}n.delete(o)}for(const[e,o]of n){i.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:o,changeCount:this._changeCount++})}return i}_isInInsertedElement(t){const e=t.parent;if(!e){return false}const n=this._changesInElement.get(e);const i=t.startOffset;if(n){for(const t of n){if(t.type=="insert"&&i>=t.offset&&ii){for(let e=0;e{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version){throw new ss["b"]("model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.",this,{operation:n})}},{priority:"highest"});this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation){this.differ.bufferOperation(n)}},{priority:"high"});this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation){this.version++;this.history.addOperation(n)}},{priority:"low"});this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=true});this.listenTo(t.markers,"update",(t,e,n,i)=>{this.differ.bufferMarkerChange(e.name,n,i,e.affectsData);if(n===null){e.on("change",(t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)})}})}get graveyard(){return this.getRoot(Cg)}createRoot(t="$root",e="main"){if(this.roots.get(e)){throw new ss["b"]("model-document-createRoot-name-exists: Root with specified name already exists.",this,{name:e})}const n=new ag(this,t,e);this.roots.add(n);return n}destroy(){this.selection.destroy();this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,t=>t.rootName).filter(t=>t!=Cg)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=Ds(this);t.selection="[engine.model.DocumentSelection]";t.model="[engine.model.Model]";return t}_handleChangeBlock(t){if(this._hasDocumentChangedFromTheLastChangeBlock()){this._callPostFixers(t);this.selection.refresh();if(this.differ.hasDataChanges()){this.fire("change:data",t.batch)}else{this.fire("change",t.batch)}this.selection.refresh();this.differ.reset()}this._hasSelectionChangedFromTheLastChangeBlock=false}_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();const e=this.model;const n=e.schema;const i=e.createPositionFromPath(t,[0]);const o=n.getNearestSelectionRange(i);return o||e.createRange(i)}_validateSelectionRange(t){return Tg(t.start)&&Tg(t.end)}_callPostFixers(t){let e=false;do{for(const n of this._postFixers){this.selection.refresh();e=n(t);if(e){break}}}while(e)}}vs(Ag,ds);function Tg(t){const e=t.textNode;if(e){const n=e.data;const i=t.offset-e.startOffset;return!yg(n,i)&&!xg(n,i)}return true}class Pg{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){return this._markers.has(t)}get(t){return this._markers.get(t)||null}_set(t,e,n=false,i=false){const o=t instanceof Sg?t.name:t;const r=this._markers.get(o);if(r){const t=r.getRange();let s=false;if(!t.isEqual(e)){r._attachLiveRange(sf.fromRange(e));s=true}if(n!=r.managedUsingOperations){r._managedUsingOperations=n;s=true}if(typeof i==="boolean"&&i!=r.affectsData){r._affectsData=i;s=true}if(s){this.fire("update:"+o,r,t,e)}return r}const s=sf.fromRange(e);const a=new Sg(o,s,n,i);this._markers.set(o,a);this.fire("update:"+o,a,null,e);return a}_remove(t){const e=t instanceof Sg?t.name:t;const n=this._markers.get(e);if(n){this._markers.delete(e);this.fire("update:"+e,n,n.getRange(),null);this._destroyMarker(n);return true}return false}_refresh(t){const e=t instanceof Sg?t.name:t;const n=this._markers.get(e);if(!n){throw new ss["b"]("markercollection-refresh-marker-not-exists: Marker with provided name does not exists.",this)}const i=n.getRange();this.fire("update:"+e,n,i,i,n.managedUsingOperations,n.affectsData)}*getMarkersAtPosition(t){for(const e of this){if(e.getRange().containsPosition(t)){yield e}}}*getMarkersIntersectingRange(t){for(const e of this){if(e.getRange().getIntersection(t)!==null){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()){if(e.name.startsWith(t+":")){yield e}}}_destroyMarker(t){t.stopListening();t._detachLiveRange()}}vs(Pg,ds);class Sg{constructor(t,e,n,i){this.name=t;this._liveRange=this._attachLiveRange(e);this._managedUsingOperations=n;this._affectsData=i}get managedUsingOperations(){if(!this._liveRange){throw new ss["b"]("marker-destroyed: Cannot use a destroyed marker instance.",this)}return this._managedUsingOperations}get affectsData(){if(!this._liveRange){throw new ss["b"]("marker-destroyed: Cannot use a destroyed marker instance.",this)}return this._affectsData}getStart(){if(!this._liveRange){throw new ss["b"]("marker-destroyed: Cannot use a destroyed marker instance.",this)}return this._liveRange.start.clone()}getEnd(){if(!this._liveRange){throw new ss["b"]("marker-destroyed: Cannot use a destroyed marker instance.",this)}return this._liveRange.end.clone()}getRange(){if(!this._liveRange){throw new ss["b"]("marker-destroyed: Cannot use a destroyed marker instance.",this)}return this._liveRange.toRange()}is(t){return t=="marker"||t=="model:marker"}_attachLiveRange(t){if(this._liveRange){this._detachLiveRange()}t.delegate("change:range").to(this);t.delegate("change:content").to(this);this._liveRange=t;return t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this);this._liveRange.stopDelegating("change:content",this);this._liveRange.detach();this._liveRange=null}}vs(Sg,ds);class Mg extends zm{get type(){return"noop"}clone(){return new Mg(this.baseVersion)}getReversed(){return new Mg(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const Eg={};Eg[Zm.className]=Zm;Eg[eg.className]=eg;Eg[ng.className]=ng;Eg[tg.className]=tg;Eg[Mg.className]=Mg;Eg[zm.className]=zm;Eg[ig.className]=ig;Eg[og.className]=og;Eg[sg.className]=sg;Eg[rg.className]=rg;class Ig{static fromJSON(t,e){return Eg[t.__className].fromJSON(t,e)}}class Ng extends $h{constructor(t,e,n="toNone"){super(t,e,n);if(!this.root.is("rootElement")){throw new ss["b"]("model-liveposition-root-not-rootelement: LivePosition's root has to be an instance of RootElement.",t)}Og.call(this)}detach(){this.stopListening()}is(t){return t=="livePosition"||t=="model:livePosition"||super.is(t)}toPosition(){return new $h(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e?e:t.stickiness)}}function Og(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];if(!n.isDocumentOperation){return}Rg.call(this,n)},{priority:"low"})}function Rg(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)}}vs(Ng,ds);function Vg(t,e,n,i){return t.change(o=>{let r;if(!n){r=t.document.selection}else if(n instanceof Xh||n instanceof uf){r=n}else{r=o.createSelection(n,i)}const s=r.getFirstPosition();if(!r.isCollapsed){t.deleteContent(r,{doNotAutoparagraph:true})}const a=new Dg(t,o,s);let c;if(e.is("documentFragment")){c=e.getChildren()}else{c=[e]}a.handleNodes(c,{isFirst:true,isLast:true});const l=a.getSelectionRange();if(l){if(r instanceof uf){o.setSelection(l)}else{r.setTo(l)}}else{}const d=a.getAffectedRange()||t.createRange(s);a.destroy();return d})}class Dg{constructor(t,e,n){this.model=t;this.writer=e;this.position=n;this.canMergeWith=new Set([this.position.parent]);this.schema=t.schema;this._filterAttributesOf=[];this._affectedStart=null;this._affectedEnd=null}handleNodes(t,e){t=Array.from(t);for(let n=0;n{if(!n.doNotResetEntireContent&&Ug(o,e)){Hg(t,e,o);return}const r=i.start;const s=Ng.fromPosition(i.end,"toNext");if(!i.start.isTouching(i.end)){t.remove(i)}if(!n.leaveUnmerged){jg(t,r,s);o.removeDisallowedAttributes(r.parent.getChildren(),t)}Wg(t,e,r);if(zg(o,r)){const i=o.getNearestSelectionRange(r);if(n.doNotAutoparagraph&&i){Wg(t,e,i)}else{Fg(t,r,e)}}s.detach()})}function jg(t,e,n){const i=e.parent;const o=n.parent;if(i==o){return}if(t.model.schema.isLimit(i)||t.model.schema.isLimit(o)){return}if(!Bg(e,n,t.model.schema)){return}e=t.createPositionAfter(i);n=t.createPositionBefore(o);if(!n.isEqual(e)){t.insert(o,e)}t.merge(e);while(n.parent.isEmpty){const e=n.parent;n=t.createPositionBefore(e);t.remove(e)}jg(t,e,n)}function zg(t,e){const n=t.checkChild(e,"$text");const i=t.checkChild(e,"paragraph");return!n&&i}function Bg(t,e,n){const i=new Gh(t,e);for(const t of i.getWalker()){if(n.isLimit(t.item)){return false}}return true}function Fg(t,e,n){const i=t.createElement("paragraph");t.insert(i,e);Wg(t,n,t.createPositionAt(i,0))}function Hg(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n));Fg(t,t.createPositionAt(n,0),e)}function Ug(t,e){const n=t.getLimitElement(e);if(!e.containsEntireContent(n)){return false}const i=e.getFirstRange();if(i.start.parent==i.end.parent){return false}return t.checkChild(n,"paragraph")}function Wg(t,e,n){if(e instanceof uf){t.setSelection(n)}else{e.setTo(n)}}const qg=' ,.?!:;"-()';function $g(t,e,n={}){const i=t.schema;const o=n.direction!="backward";const r=n.unit?n.unit:"character";const s=e.focus;const a=new Wh({boundaries:Kg(s,o),singleCharacters:true,direction:o?"forward":"backward"});const c={walker:a,schema:i,isForward:o,unit:r};let l;while(l=a.next()){if(l.done){return}const n=Gg(c,l.value);if(n){if(e instanceof uf){t.change(t=>{t.setSelectionFocus(n)})}else{e.setFocus(n)}return}}}function Gg(t,e){if(e.type=="text"){if(t.unit==="word"){return Qg(t.walker,t.isForward)}return Yg(t.walker,t.unit,t.isForward)}if(e.type==(t.isForward?"elementStart":"elementEnd")){if(t.schema.isObject(e.item)){return $h._createAt(e.item,t.isForward?"after":"before")}if(t.schema.checkChild(e.nextPosition,"$text")){return e.nextPosition}}else{if(t.schema.isLimit(e.item)){t.walker.skip(()=>true);return}if(t.schema.checkChild(e.nextPosition,"$text")){return e.nextPosition}}}function Yg(t,e){const n=t.position.textNode;if(n){const i=n.data;let o=t.position.offset-n.startOffset;while(yg(i,o)||e=="character"&&xg(i,o)){t.next();o=t.position.offset-n.startOffset}}return t.position}function Qg(t,e){let n=t.position.textNode;if(n){let i=t.position.offset-n.startOffset;while(!Jg(n.data,i,e)&&!Zg(n,i,e)){t.next();const o=e?t.position.nodeAfter:t.position.nodeBefore;if(o&&o.is("text")){const i=o.data.charAt(e?0:o.data.length-1);if(!qg.includes(i)){t.next();n=t.position.textNode}}i=t.position.offset-n.startOffset}}return t.position}function Kg(t,e){const n=t.root;const i=$h._createAt(n,e?"end":0);if(e){return new Gh(t,i)}else{return new Gh(i,t)}}function Jg(t,e,n){const i=e+(n?0:-1);return qg.includes(t.charAt(i))}function Zg(t,e,n){return e===(n?t.endOffset:0)}function Xg(t,e){return t.change(t=>{const n=t.createDocumentFragment();const i=e.getFirstRange();if(!i||i.isCollapsed){return n}const o=i.start.root;const r=i.start.getCommonPath(i.end);const s=o.getNodeByPath(r);let a;if(i.start.parent==i.end.parent){a=i}else{a=t.createRange(t.createPositionAt(s,i.start.path[r.length]),t.createPositionAt(s,i.end.path[r.length]+1))}const c=a.end.offset-a.start.offset;for(const e of a.getItems({shallow:true})){if(e.is("textProxy")){t.appendText(e.data,e.getAttributes(),n)}else{t.append(e._clone(true),n)}}if(a!=i){const e=i._getTransformedByMove(a.start,t.createPositionAt(n,0),c)[0];const o=t.createRange(t.createPositionAt(n,0),e.start);const r=t.createRange(e.end,t.createPositionAt(n,"end"));tp(r,t);tp(o,t)}return n})}function tp(t,e){const n=[];Array.from(t.getItems({direction:"backward"})).map(t=>e.createRangeOn(t)).filter(e=>{const n=(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end));return n}).forEach(t=>{n.push(t.start.parent);e.remove(t)});n.forEach(t=>{let n=t;while(n.parent&&n.isEmpty){const t=e.createRangeOn(n);n=n.parent;e.remove(t)}})}function ep(t){t.document.registerPostFixer(e=>np(e,t))}function np(t,e){const n=e.document.selection;const i=e.schema;const o=[];let r=false;for(const t of n.getRanges()){const e=ip(t,i);if(e){o.push(e);r=true}else{o.push(t)}}if(r){t.setSelection(cp(o),{backward:n.isBackward})}}function ip(t,e){if(t.isCollapsed){return op(t,e)}return rp(t,e)}function op(t,e){const n=t.start;const i=e.getNearestSelectionRange(n);if(!i){return null}if(!i.isCollapsed){return i}const o=i.start;if(n.isEqual(o)){return null}return new Gh(o)}function rp(t,e){const n=t.start;const i=t.end;const o=e.checkChild(n,"$text");const r=e.checkChild(i,"$text");const s=e.getLimitElement(n);const a=e.getLimitElement(i);if(s===a){if(o&&r){return null}if(ap(n,i,e)){const t=n.nodeAfter&&e.isObject(n.nodeAfter);const o=t?null:e.getNearestSelectionRange(n,"forward");const r=i.nodeBefore&&e.isObject(i.nodeBefore);const s=r?null:e.getNearestSelectionRange(i,"backward");const a=o?o.start:n;const c=s?s.start:i;return new Gh(a,c)}}const c=s&&!s.is("rootElement");const l=a&&!a.is("rootElement");if(c||l){const t=n.nodeAfter&&i.nodeBefore&&n.nodeAfter.parent===i.nodeBefore.parent;const o=c&&(!t||!lp(n.nodeAfter,e));const r=l&&(!t||!lp(i.nodeBefore,e));let d=n;let u=i;if(o){d=$h._createBefore(sp(s,e))}if(r){u=$h._createAfter(sp(a,e))}return new Gh(d,u)}return null}function sp(t,e){let n=t;let i=n;while(e.isLimit(i)&&i.parent){n=i;i=i.parent}return n}function ap(t,e,n){const i=t.nodeAfter&&!n.isLimit(t.nodeAfter)||n.checkChild(t,"$text");const o=e.nodeBefore&&!n.isLimit(e.nodeBefore)||n.checkChild(e,"$text");return i||o}function cp(t){const e=[];e.push(t.shift());for(const n of t){const t=e.pop();if(n.isIntersecting(t)){const i=t.start.isAfter(n.start)?n.start:t.start;const o=t.end.isAfter(n.end)?t.end:n.end;const r=new Gh(i,o);e.push(r)}else{e.push(t);e.push(n)}}return e}function lp(t,e){return t&&e.isObject(t)}class dp{constructor(){this.markers=new Pg;this.document=new Ag(this);this.schema=new hm;this._pendingChanges=[];this._currentWriter=null;["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(t=>this.decorate(t));this.on("applyOperation",(t,e)=>{const n=e[0];n._validate()},{priority:"highest"});this.schema.register("$root",{isLimit:true});this.schema.register("$block",{allowIn:"$root",isBlock:true});this.schema.register("$text",{allowIn:"$block",isInline:true});this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:true});this.schema.extend("$text",{allowIn:"$clipboardHolder"});this.schema.register("$marker");this.schema.addChildCheck((t,e)=>{if(e.name==="$marker"){return true}});ep(this)}change(t){try{if(this._pendingChanges.length===0){this._pendingChanges.push({batch:new jm,callback:t});return this._runPendingChanges()[0]}else{return t(this._currentWriter)}}catch(t){ss["b"].rethrowUnexpectedError(t,this)}}enqueueChange(t,e){try{if(typeof t==="string"){t=new jm(t)}else if(typeof t=="function"){e=t;t=new jm}this._pendingChanges.push({batch:t,callback:e});if(this._pendingChanges.length==1){this._runPendingChanges()}}catch(t){ss["b"].rethrowUnexpectedError(t,this)}}applyOperation(t){t._execute()}insertContent(t,e,n){return Vg(this,t,e,n)}deleteContent(t,e){Lg(this,t,e)}modifySelection(t,e){$g(this,t,e)}getSelectedContent(t){return Xg(this,t)}hasContent(t,e){const n=t instanceof Hh?Gh._createIn(t):t;if(n.isCollapsed){return false}for(const t of this.markers.getMarkersIntersectingRange(n)){if(t.affectsData){return true}}const{ignoreWhitespaces:i=false}=e||{};for(const t of n.getItems()){if(t.is("textProxy")){if(!i){return true}else if(t.data.search(/\S/)!==-1){return true}}else if(this.schema.isObject(t)){return true}}return false}createPositionFromPath(t,e,n){return new $h(t,e,n)}createPositionAt(t,e){return $h._createAt(t,e)}createPositionAfter(t){return $h._createAfter(t)}createPositionBefore(t){return $h._createBefore(t)}createRange(t,e){return new Gh(t,e)}createRangeIn(t){return Gh._createIn(t)}createRangeOn(t){return Gh._createOn(t)}createSelection(t,e,n){return new Xh(t,e,n)}createBatch(t){return new jm(t)}createOperationFromJSON(t){return Ig.fromJSON(t,this.document)}destroy(){this.document.destroy();this.stopListening()}_runPendingChanges(){const t=[];this.fire("_beforeChanges");while(this._pendingChanges.length){const e=this._pendingChanges[0].batch;this._currentWriter=new cg(this,e);const n=this._pendingChanges[0].callback(this._currentWriter);t.push(n);this.document._handleChangeBlock(this._currentWriter);this._pendingChanges.shift();this._currentWriter=null}this.fire("_afterChanges");return t}}vs(dp,Qc);class up{constructor(){this._listener=Object.create(qd)}listenTo(t){this._listener.listenTo(t,"keydown",(t,e)=>{this._listener.fire("_keydown:"+Dl(e),e)})}set(t,e,n={}){const i=Ll(t);const o=n.priority;this._listener.listenTo(this._listener,"_keydown:"+i,(t,n)=>{e(n,()=>{n.preventDefault();n.stopPropagation();t.stop()});t.return=true},{priority:o})}press(t){return!!this._listener.fire("_keydown:"+Dl(t),t)}destroy(){this._listener.stopListening()}}class hp extends up{constructor(t){super();this.editor=t}set(t,e,n={}){if(typeof e=="string"){const t=e;e=(e,n)=>{this.editor.execute(t);n()}}super.set(t,e,n)}}class fp{constructor(t={}){this._context=t.context||new Ns({language:t.language});this._context._addEditor(this,!t.context);const e=Array.from(this.constructor.builtinPlugins||[]);this.config=new Qr(t,this.constructor.defaultConfig);this.config.define("plugins",e);this.config.define(this._context._getEditorConfig());this.plugins=new xs(this,e,this._context.plugins);this.locale=this._context.locale;this.t=this.locale.t;this.commands=new lm;this.set("state","initializing");this.once("ready",()=>this.state="ready",{priority:"high"});this.once("destroy",()=>this.state="destroyed",{priority:"high"});this.set("isReadOnly",false);this.model=new dp;this.data=new Om(this.model);this.editing=new cm(this.model);this.editing.view.document.bind("isReadOnly").to(this);this.conversion=new Vm([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 hp(this);this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config;const e=t.get("plugins");const n=t.get("removePlugins")||[];const i=t.get("extraPlugins")||[];return this.plugins.init(e.concat(i),n)}destroy(){let t=Promise.resolve();if(this.state=="initializing"){t=new Promise(t=>this.once("ready",t))}return 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{this.commands.execute(...t)}catch(t){ss["b"].rethrowUnexpectedError(t,this)}}}vs(fp,Qc);const mp={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};var gp=mp;function pp(t,e){if(t instanceof HTMLTextAreaElement){t.value=e}t.innerHTML=e}const bp={updateSourceElement(){if(!this.sourceElement){throw new ss["b"]("editor-missing-sourceelement: Cannot update the source element of a detached editor.",this)}pp(this.sourceElement,this.data.get())}};var wp=bp;function kp(t){if(!mt(t.updateSourceElement)){throw new ss["b"]("attachtoform-missing-elementapi-interface: Editor passed to attachToForm() must implement ElementApi.",t)}const e=t.sourceElement;if(e&&e.tagName.toLowerCase()==="textarea"&&e.form){let n;const i=e.form;const o=()=>t.updateSourceElement();if(mt(i.submit)){n=i.submit;i.submit=()=>{o();n.apply(i)}}i.addEventListener("submit",o);t.on("destroy",()=>{i.removeEventListener("submit",o);if(n){i.submit=n}})}}class _p{getHtml(t){const e=document.implementation.createHTMLDocument("");const n=e.createElement("div");n.appendChild(t);return n.innerHTML}}class vp{constructor(){this._domParser=new DOMParser;this._domConverter=new jd({blockFillerMode:"nbsp"});this._htmlWriter=new _p}toData(t){const e=this._domConverter.viewToDom(t,document);return this._htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this._domConverter.domToView(e)}_toDom(t){const e=this._domParser.parseFromString(t,"text/html");const n=e.createDocumentFragment();const i=e.body.childNodes;while(i.length>0){n.appendChild(i[0])}return n}}class yp{constructor(t){this.editor=t;this._components=new Map}*names(){for(const t of this._components.values()){yield t.originalName}}add(t,e){if(this.has(t)){throw new ss["b"]("componentfactory-item-exists: The item already exists in the component factory.",this,{name:t})}this._components.set(xp(t),{callback:e,originalName:t})}create(t){if(!this.has(t)){throw new ss["b"]("componentfactory-item-missing: The required component is not registered in the factory.",this,{name:t})}return this._components.get(xp(t)).callback(this.editor.locale)}has(t){return this._components.has(xp(t))}}function xp(t){return String(t).toLowerCase()}class Cp{constructor(){this.set("isFocused",false);this.set("focusedElement",null);this._elements=new Set;this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t)){throw new ss["b"]("focusTracker-add-element-already-exist",this)}this.listenTo(t,"focus",()=>this._focus(t),{useCapture:true});this.listenTo(t,"blur",()=>this._blur(),{useCapture:true});this._elements.add(t)}remove(t){if(t===this.focusedElement){this._blur(t)}if(this._elements.has(t)){this.stopListening(t);this._elements.delete(t)}}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout);this.focusedElement=t;this.isFocused=true}_blur(){clearTimeout(this._nextEventLoopTimeout);this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null;this.isFocused=false},0)}}vs(Cp,qd);vs(Cp,Qc);class Ap{constructor(t){this.editor=t;this.componentFactory=new yp(t);this.focusTracker=new Cp;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);if(!e.ckeditorInstance){e.ckeditorInstance=this.editor}}getEditableElement(t="main"){return this._editableElementsMap.get(t)}getEditableElementsNames(){return this._editableElementsMap.keys()}get _editableElements(){console.warn("editor-ui-deprecated-editable-elements: "+"The EditorUI#_editableElements property has been deprecated and will be removed in the near future.",{editorUI:this});return this._editableElementsMap}}vs(Ap,ds);function Tp({origin:t,originKeystrokeHandler:e,originFocusTracker:n,toolbar:i,beforeFocus:o,afterBlur:r}){n.add(i.element);e.set("Alt+F10",(t,e)=>{if(n.isFocused&&!i.focusTracker.isFocused){if(o){o()}i.focus();e()}});i.keystrokes.set("Esc",(e,n)=>{if(i.focusTracker.isFocused){t.focus();if(r){r()}n()}})}function Pp(t){if(Array.isArray(t)){return{items:t}}if(!t){return{items:[]}}return Object.assign({items:[]},t)}var Sp=n(15);const Mp=new WeakMap;function Ep(t){const{view:e,element:n,text:i,isDirectHost:o=true}=t;const r=e.document;if(!Mp.has(r)){Mp.set(r,new Map);r.registerPostFixer(t=>Vp(r,t))}Mp.get(r).set(n,{text:i,isDirectHost:o});e.change(t=>Vp(r,t))}function Ip(t,e){const n=e.document;t.change(t=>{if(!Mp.has(n)){return}const i=Mp.get(n);const o=i.get(e);t.removeAttribute("data-placeholder",o.hostElement);Op(t,o.hostElement);i.delete(e)})}function Np(t,e){if(!e.hasClass("ck-placeholder")){t.addClass("ck-placeholder",e);return true}return false}function Op(t,e){if(e.hasClass("ck-placeholder")){t.removeClass("ck-placeholder",e);return true}return false}function Rp(t){const e=t.document;if(!e){return false}const n=!Array.from(t.getChildren()).some(t=>!t.is("uiElement"));if(!e.isFocused&&n){return true}const i=e.selection;const o=i.anchor;if(n&&o&&o.parent!==t){return true}return false}function Vp(t,e){const n=Mp.get(t);let i=false;for(const[t,o]of n){if(Dp(e,t,o)){i=true}}return i}function Dp(t,e,n){const{text:i,isDirectHost:o}=n;const r=o?e:Lp(e);let s=false;if(!r){return false}n.hostElement=r;if(r.getAttribute("data-placeholder")!==i){t.setAttribute("data-placeholder",i,r);s=true}if(Rp(r)){if(Np(t,r)){s=true}}else if(Op(t,r)){s=true}return s}function Lp(t){if(t.childCount===1){const e=t.getChild(0);if(e.is("element")&&!e.is("uiElement")){return e}}return null}class jp{constructor(){this._replacedElements=[]}replace(t,e){this._replacedElements.push({element:t,newElement:e});t.style.display="none";if(e){t.parentNode.insertBefore(e,t.nextSibling)}}restore(){this._replacedElements.forEach(({element:t,newElement:e})=>{t.style.display="";if(e){e.remove()}});this._replacedElements=[]}}class zp extends Ap{constructor(t,e){super(t);this.view=e;this._toolbarConfig=Pp(t.config.get("toolbar"));this._elementReplacer=new jp}get element(){return this.view.element}init(t){const e=this.editor;const n=this.view;const i=e.editing.view;const o=n.editable;const r=i.document.getRoot();o.name=r.rootName;n.render();const s=o.element;this.setEditableElement(o.name,s);this.focusTracker.add(s);n.editable.bind("isFocused").to(this.focusTracker);i.attachDomRoot(s);if(t){this._elementReplacer.replace(t,this.element)}this._initPlaceholder();this._initToolbar();this.fire("ready")}destroy(){const t=this.view;const e=this.editor.editing.view;this._elementReplacer.restore();e.detachDomRoot(t.editable.name);t.destroy();super.destroy()}_initToolbar(){const t=this.editor;const e=this.view;const n=t.editing.view;e.stickyPanel.bind("isActive").to(this.focusTracker,"isFocused");e.stickyPanel.limiterElement=e.element;if(this._toolbarConfig.viewportTopOffset){e.stickyPanel.viewportTopOffset=this._toolbarConfig.viewportTopOffset}e.toolbar.fillFromConfig(this._toolbarConfig.items,this.componentFactory);Tp({origin:n,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:e.toolbar})}_initPlaceholder(){const t=this.editor;const e=t.editing.view;const n=e.document.getRoot();const i=t.sourceElement;const o=t.config.get("placeholder")||i&&i.tagName.toLowerCase()==="textarea"&&i.getAttribute("placeholder");if(o){Ep({view:e,element:n,text:o,isDirectHost:false})}}}class Bp extends ys{constructor(t){super({idProperty:"viewUid"});this.on("add",(t,e,n)=>{if(!e.isRendered){e.render()}if(e.element&&this._parentElement){this._parentElement.insertBefore(e.element,this._parentElement.children[n])}});this.on("remove",(t,e)=>{if(e.element&&this._parentElement){e.element.remove()}});this.locale=t;this._parentElement=null}destroy(){this.map(t=>t.destroy())}setParent(t){this._parentElement=t}delegate(...t){if(!t.length||!Fp(t)){throw new ss["b"]("ui-viewcollection-delegate-wrong-events: All event names must be strings.",this)}return{to:e=>{for(const n of this){for(const i of t){n.delegate(i).to(e)}}this.on("add",(n,i)=>{for(const n of t){i.delegate(n).to(e)}});this.on("remove",(n,i)=>{for(const n of t){i.stopDelegating(n,e)}})}}}}function Fp(t){return t.every(t=>typeof t=="string")}const Hp="https://www.w3.org/1999/xhtml";class Up{constructor(t){Object.assign(this,tb(Xp(t)));this._isRendered=false;this._revertData=null}render(){const t=this._renderNode({intoFragment:true});this._isRendered=true;return t}apply(t){this._revertData=fb();this._renderNode({node:t,isApplying:true,revertData:this._revertData});return t}revert(t){if(!this._revertData){throw new ss["b"]("ui-template-revert-not-applied: Attempting to revert a template which has not been applied yet.",[this,t])}this._revertTemplateFromNode(t,this._revertData)}*getViews(){function*t(e){if(e.children){for(const n of e.children){if(db(n)){yield n}else if(ub(n)){yield*t(n)}}}}yield*t(this)}static bind(t,e){return{to(n,i){return new qp({eventNameOrFunction:n,attribute:n,observable:t,emitter:e,callback:i})},if(n,i,o){return new $p({observable:t,emitter:e,attribute:n,valueIfTrue:i,callback:o})}}}static extend(t,e){if(t._isRendered){throw new ss["b"]("template-extend-render: Attempting to extend a template which has already been rendered.",[this,t])}cb(t,tb(Xp(e)))}_renderNode(t){let e;if(t.node){e=this.tag&&this.text}else{e=this.tag?this.text:!this.text}if(e){throw new ss["b"]('ui-template-wrong-syntax: Node definition must have either "tag" or "text" when rendering a new Node.',this)}if(this.text){return this._renderText(t)}else{return this._renderElement(t)}}_renderElement(t){let e=t.node;if(!e){e=t.node=document.createElementNS(this.ns||Hp,this.tag)}this._renderAttributes(t);this._renderElementChildren(t);this._setUpListeners(t);return e}_renderText(t){let e=t.node;if(e){t.revertData.text=e.textContent}else{e=t.node=document.createTextNode("")}if(Gp(this.text)){this._bindToObservable({schema:this.text,updater:Kp(e),data:t})}else{e.textContent=this.text.join("")}return e}_renderAttributes(t){let e,n,i,o;if(!this.attributes){return}const r=t.node;const s=t.revertData;for(e in this.attributes){i=r.getAttribute(e);n=this.attributes[e];if(s){s.attributes[e]=i}o=ct(n[0])&&n[0].ns?n[0].ns:null;if(Gp(n)){const a=o?n[0].value:n;if(s&&mb(e)){a.unshift(i)}this._bindToObservable({schema:a,updater:Jp(r,e,o),data:t})}else if(e=="style"&&typeof n[0]!=="string"){this._renderStyleAttribute(n[0],t)}else{if(s&&i&&mb(e)){n.unshift(i)}n=n.map(t=>t?t.value||t:t).reduce((t,e)=>t.concat(e),[]).reduce(sb,"");if(!lb(n)){r.setAttributeNS(o,e,n)}}}}_renderStyleAttribute(t,e){const n=e.node;for(const i in t){const o=t[i];if(Gp(o)){this._bindToObservable({schema:[o],updater:Zp(n,i),data:e})}else{n.style[i]=o}}}_renderElementChildren(t){const e=t.node;const n=t.intoFragment?document.createDocumentFragment():e;const i=t.isApplying;let o=0;for(const r of this.children){if(hb(r)){if(!i){r.setParent(e);for(const t of r){n.appendChild(t.element)}}}else if(db(r)){if(!i){if(!r.isRendered){r.render()}n.appendChild(r.element)}}else if(Cd(r)){n.appendChild(r)}else{if(i){const e=t.revertData;const i=fb();e.children.push(i);r._renderNode({node:n.childNodes[o++],isApplying:true,revertData:i})}else{n.appendChild(r.render())}}}if(t.intoFragment){e.appendChild(n)}}_setUpListeners(t){if(!this.eventListeners){return}for(const e in this.eventListeners){const n=this.eventListeners[e].map(n=>{const[i,o]=e.split("@");return n.activateDomEventListener(i,o,t)});if(t.revertData){t.revertData.bindings.push(n)}}}_bindToObservable({schema:t,updater:e,data:n}){const i=n.revertData;Qp(t,e,n);const o=t.filter(t=>!lb(t)).filter(t=>t.observable).map(i=>i.activateAttributeListener(t,e,n));if(i){i.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;return}for(const n in e.attributes){const i=e.attributes[n];if(i===null){t.removeAttribute(n)}else{t.setAttribute(n,i)}}for(let n=0;nQp(t,e,n);this.emitter.listenTo(this.observable,"change:"+this.attribute,i);return()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,i)}}}class qp extends Wp{activateDomEventListener(t,e,n){const i=(t,n)=>{if(!e||n.target.matches(e)){if(typeof this.eventNameOrFunction=="function"){this.eventNameOrFunction(n)}else{this.observable.fire(this.eventNameOrFunction,n)}}};this.emitter.listenTo(n.node,t,i);return()=>{this.emitter.stopListening(n.node,t,i)}}}class $p extends Wp{getValue(t){const e=super.getValue(t);return lb(e)?false:this.valueIfTrue||true}}function Gp(t){if(!t){return false}if(t.value){t=t.value}if(Array.isArray(t)){return t.some(Gp)}else if(t instanceof Wp){return true}return false}function Yp(t,e){return t.map(t=>{if(t instanceof Wp){return t.getValue(e)}return t})}function Qp(t,e,{node:n}){let i=Yp(t,n);if(t.length==1&&t[0]instanceof $p){i=i[0]}else{i=i.reduce(sb,"")}if(lb(i)){e.remove()}else{e.set(i)}}function Kp(t){return{set(e){t.textContent=e},remove(){t.textContent=""}}}function Jp(t,e,n){return{set(i){t.setAttributeNS(n,e,i)},remove(){t.removeAttributeNS(n,e)}}}function Zp(t,e){return{set(n){t.style[e]=n},remove(){t.style[e]=null}}}function Xp(t){const e=$r(t,t=>{if(t&&(t instanceof Wp||ub(t)||db(t)||hb(t))){return t}});return e}function tb(t){if(typeof t=="string"){t=ib(t)}else if(t.text){ob(t)}if(t.on){t.eventListeners=nb(t.on);delete t.on}if(!t.text){if(t.attributes){eb(t.attributes)}const e=[];if(t.children){if(hb(t.children)){e.push(t.children)}else{for(const n of t.children){if(ub(n)||db(n)||Cd(n)){e.push(n)}else{e.push(new Up(n))}}}}t.children=e}return t}function eb(t){for(const e in t){if(t[e].value){t[e].value=[].concat(t[e].value)}rb(t,e)}}function nb(t){for(const e in t){rb(t,e)}return t}function ib(t){return{text:[t]}}function ob(t){if(!Array.isArray(t.text)){t.text=[t.text]}}function rb(t,e){if(!Array.isArray(t[e])){t[e]=[t[e]]}}function sb(t,e){if(lb(e)){return t}else if(lb(t)){return e}else{return`${t} ${e}`}}function ab(t,e){for(const n in e){if(t[n]){t[n].push(...e[n])}else{t[n]=e[n]}}}function cb(t,e){if(e.attributes){if(!t.attributes){t.attributes={}}ab(t.attributes,e.attributes)}if(e.eventListeners){if(!t.eventListeners){t.eventListeners={}}ab(t.eventListeners,e.eventListeners)}if(e.text){t.text.push(...e.text)}if(e.children&&e.children.length){if(t.children.length!=e.children.length){throw new ss["b"]("ui-template-extend-children-mismatch: The number of children in extended definition does not match.",t)}let n=0;for(const i of e.children){cb(t.children[n++],i)}}}function lb(t){return!t&&t!==0}function db(t){return t instanceof pb}function ub(t){return t instanceof Up}function hb(t){return t instanceof Bp}function fb(){return{children:[],bindings:[],attributes:{}}}function mb(t){return t=="class"||t=="style"}var gb=n(17);class pb{constructor(t){this.element=null;this.isRendered=false;this.locale=t;this.t=t&&t.t;this._viewCollections=new ys;this._unboundChildren=this.createCollection();this._viewCollections.on("add",(e,n)=>{n.locale=t});this.decorate("render")}get bindTemplate(){if(this._bindTemplate){return this._bindTemplate}return this._bindTemplate=Up.bind(this,this)}createCollection(){const t=new Bp;this._viewCollections.add(t);return t}registerChild(t){if(!Fs(t)){t=[t]}for(const e of t){this._unboundChildren.add(e)}}deregisterChild(t){if(!Fs(t)){t=[t]}for(const e of t){this._unboundChildren.remove(e)}}setTemplate(t){this.template=new Up(t)}extendTemplate(t){Up.extend(this.template,t)}render(){if(this.isRendered){throw new ss["b"]("ui-view-render-already-rendered: This View has already been rendered.",this)}if(this.template){this.element=this.template.render();this.registerChild(this.template.getViews())}this.isRendered=true}destroy(){this.stopListening();this._viewCollections.map(t=>t.destroy());if(this.template&&this.template._revertData){this.template.revert(this.element)}}}vs(pb,qd);vs(pb,Qc);var bb="[object String]";function wb(t){return typeof t=="string"||!Qe(t)&&T(t)&&_(t)==bb}var kb=wb;function _b(t,e,n={},i=[]){const o=n&&n.xmlns;const r=o?t.createElementNS(o,e):t.createElement(e);for(const t in n){r.setAttribute(t,n[t])}if(kb(i)||!Fs(i)){i=[i]}for(let e of i){if(kb(e)){e=t.createTextNode(e)}r.appendChild(e)}return r}class vb extends Bp{attachToDom(){this._bodyCollectionContainer=new Up({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");if(!t){t=_b(document,"div",{class:"ck-body-wrapper"});document.body.appendChild(t)}t.appendChild(this._bodyCollectionContainer)}detachFromDom(){super.destroy();if(this._bodyCollectionContainer){this._bodyCollectionContainer.remove()}const t=document.querySelector(".ck-body-wrapper");if(t&&t.childElementCount==0){t.remove()}}}var yb=n(19);class xb extends pb{constructor(t){super(t);this.body=new vb(t)}render(){super.render();this.body.attachToDom()}destroy(){this.body.detachFromDom();return super.destroy()}}var Cb=n(21);class Ab extends pb{constructor(t){super(t);this.set("text");this.set("for");this.id=`ck-editor__label_${ns()}`;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 Tb extends xb{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;const e=new Ab;e.text=t("bv");e.extendTemplate({attributes:{class:"ck-voice-label"}});return e}}class Pb extends pb{constructor(t,e,n){super(t);this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:t.contentLanguage,dir:t.contentLanguageDirection}});this.name=null;this.set("isFocused",false);this._editableElement=n;this._hasExternalElement=!!this._editableElement;this._editingView=e}render(){super.render();if(this._hasExternalElement){this.template.apply(this.element=this._editableElement)}else{this._editableElement=this.element}this.on("change:isFocused",()=>this._updateIsFocusedClasses());this._updateIsFocusedClasses()}destroy(){if(this._hasExternalElement){this.template.revert(this._editableElement)}super.destroy()}_updateIsFocusedClasses(){const t=this._editingView;if(t.isRenderingInProgress){n(this)}else{e(this)}function e(e){t.change(n=>{const i=t.document.getRoot(e.name);n.addClass(e.isFocused?"ck-focused":"ck-blurred",i);n.removeClass(e.isFocused?"ck-blurred":"ck-focused",i)})}function n(i){t.once("change:isRenderingInProgress",(t,o,r)=>{if(!r){e(i)}else{n(i)}})}}}class Sb extends Pb{constructor(t,e,n){super(t,e,n);this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView;const e=this.t;t.change(n=>{const i=t.document.getRoot(this.name);n.setAttribute("aria-label",e("bw",[this.name]),i)})}}function Mb(t){return e=>e+t}var Eb=n(23);const Ib=Mb("px");class Nb extends pb{constructor(t){super(t);const e=this.bindTemplate;this.set("isActive",false);this.set("isSticky",false);this.set("limiterElement",null);this.set("limiterBottomOffset",50);this.set("viewportTopOffset",0);this.set("_marginLeft",null);this.set("_isStickyToTheLimiter",false);this.set("_hasViewportTopOffset",false);this.content=this.createCollection();this._contentPanelPlaceholder=new Up({tag:"div",attributes:{class:["ck","ck-sticky-panel__placeholder"],style:{display:e.to("isSticky",t=>t?"block":"none"),height:e.to("isSticky",t=>t?Ib(this._panelRect.height):null)}}}).render();this._contentPanel=new 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Lb._elementCallbacks.get(t)}static _createObserver(){let t;if(typeof Od.window.ResizeObserver==="function"){t=Od.window.ResizeObserver}else{t=jb}Lb._observerInstance=new t(t=>{for(const e of t){const t=Lb._getElementCallbacks(e.target);if(t){for(const n of t){n(e)}}}})}}Lb._observerInstance=null;Lb._elementCallbacks=null;class jb{constructor(t){this._callback=t;this._elements=new Set;this._previousRects=new Map;this._periodicCheckTimeout=null}observe(t){this._elements.add(t);this._checkElementRectsAndExecuteCallback();if(this._elements.size===1){this._startPeriodicCheck()}}unobserve(t){this._elements.delete(t);this._previousRects.delete(t);if(!this._elements.size){this._stopPeriodicCheck()}}_startPeriodicCheck(){const t=()=>{this._checkElementRectsAndExecuteCallback();this._periodicCheckTimeout=setTimeout(t,Db)};this.listenTo(Od.window,"resize",()=>{this._checkElementRectsAndExecuteCallback()});this._periodicCheckTimeout=setTimeout(t,Db)}_stopPeriodicCheck(){clearTimeout(this._periodicCheckTimeout);this.stopListening();this._previousRects.clear()}_checkElementRectsAndExecuteCallback(){const t=[];for(const e of this._elements){if(this._hasRectChanged(e)){t.push({target:e,contentRect:this._previousRects.get(e)})}}if(t.length){this._callback(t)}}_hasRectChanged(t){if(!t.ownerDocument.body.contains(t)){return false}const e=new yh(t);const n=this._previousRects.get(t);const i=!n||!n.isEqual(e);this._previousRects.set(t,e);return i}}vs(jb,qd);function zb(t){return t.bindTemplate.to(e=>{if(e.target===t.element){e.preventDefault()}})}class Bb extends pb{constructor(t){super(t);const e=this.bindTemplate;this.set("isVisible",false);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_${t}`),e.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:e.to(t=>t.preventDefault())}})}focus(){if(this.children.length){this.children.first.focus()}}focusLast(){if(this.children.length){const t=this.children.last;if(typeof t.focusLast==="function"){t.focusLast()}else{t.focus()}}}}var Fb=n(25);function Hb(t){while(t&&t.tagName.toLowerCase()!="html"){if(Od.window.getComputedStyle(t).position!="static"){return t}t=t.parentElement}return null}function Ub({element:t,target:e,positions:n,limiter:i,fitInViewport:o}){if(mt(e)){e=e()}if(mt(i)){i=i()}const r=Hb(t.parentElement);const s=new yh(t);const a=new yh(e);let c;let l;if(!i&&!o){[l,c]=Wb(n[0],a,s)}else{const t=i&&new yh(i).getVisible();const e=o&&new yh(Od.window);[l,c]=qb(n,a,s,t,e)||Wb(n[0],a,s)}let{left:d,top:u}=$b(c);if(r){const t=$b(new yh(r));const e=_h(r);d-=t.left;u-=t.top;d+=r.scrollLeft;u+=r.scrollTop;d-=e.left;u-=e.top}return{left:d,top:u,name:l}}function Wb(t,e,n){const{left:i,top:o,name:r}=t(e,n);return[r,n.clone().moveTo(i,o)]}function qb(t,e,n,i,o){let r=0;let s=0;let a;let c;const l=n.getArea();t.some(t=>{const[d,u]=Wb(t,e,n);let h;let f;if(i){if(o){const t=i.getIntersection(o);if(t){h=t.getIntersectionArea(u)}else{h=0}}else{h=i.getIntersectionArea(u)}}if(o){f=o.getIntersectionArea(u)}if(o&&!i){if(f>s){m()}}else if(!o&&i){if(h>r){m()}}else{if(f>s&&h>=r){m()}else if(f>=s&&h>r){m()}}function m(){s=f;r=h;a=u;c=d}return h===l});return a?[c,a]:null}function $b({left:t,top:e}){const{scrollX:n,scrollY:i}=Od.window;return{left:t+n,top:e+i}}class Gb extends pb{constructor(t,e,n){super(t);const i=this.bindTemplate;this.buttonView=e;this.panelView=n;this.set("isOpen",false);this.set("isEnabled",true);this.set("class");this.set("id");this.set("panelPosition","auto");this.focusTracker=new Cp;this.keystrokes=new up;this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",i.to("class"),i.if("isEnabled","ck-disabled",t=>!t)],id:i.to("id"),"aria-describedby":i.to("ariaDescribedById")},children:[e,n]});e.extendTemplate({attributes:{class:["ck-dropdown__button"]}})}render(){super.render();this.listenTo(this.buttonView,"open",()=>{this.isOpen=!this.isOpen});this.panelView.bind("isVisible").to(this,"isOpen");this.on("change:isOpen",()=>{if(!this.isOpen){return}if(this.panelPosition==="auto"){this.panelView.position=Gb._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:true,positions:this._panelPositions}).name}else{this.panelView.position=this.panelPosition}});this.keystrokes.listenTo(this.element);this.focusTracker.add(this.element);const t=(t,e)=>{if(this.isOpen){this.buttonView.focus();this.isOpen=false;e()}};this.keystrokes.set("arrowdown",(t,e)=>{if(this.buttonView.isEnabled&&!this.isOpen){this.isOpen=true;e()}});this.keystrokes.set("arrowright",(t,e)=>{if(this.isOpen){e()}});this.keystrokes.set("arrowleft",t);this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}get _panelPositions(){const{southEast:t,southWest:e,northEast:n,northWest:i}=Gb.defaultPanelPositions;if(this.locale.uiLanguageDirection==="ltr"){return[t,e,n,i]}else{return[e,t,i,n]}}}Gb.defaultPanelPositions={southEast:t=>({top:t.bottom,left:t.left,name:"se"}),southWest:(t,e)=>({top:t.bottom,left:t.left-e.width+t.width,name:"sw"}),northEast:(t,e)=>({top:t.top-e.height,left:t.left,name:"ne"}),northWest:(t,e)=>({top:t.bottom-e.height,left:t.left-e.width+t.width,name:"nw"})};Gb._getOptimalPosition=Ub;var Yb=n(27);class Qb extends pb{constructor(){super();const t=this.bindTemplate;this.set("content","");this.set("viewBox","0 0 20 20");this.set("fillColor","");this.setTemplate({tag:"svg",ns:"https://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");const e=t.querySelector("svg");const n=e.getAttribute("viewBox");if(n){this.viewBox=n}this.element.innerHTML="";while(e.childNodes.length>0){this.element.appendChild(e.childNodes[0])}}}_colorFillPaths(){if(this.fillColor){this.element.querySelectorAll(".ck-icon__fill").forEach(t=>{t.style.fill=this.fillColor})}}}var Kb=n(29);class Jb extends pb{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")}]}]})}}var Zb=n(31);class Xb extends pb{constructor(t){super(t);const e=this.bindTemplate;const n=ns();this.set("class");this.set("labelStyle");this.set("icon");this.set("isEnabled",true);this.set("isOn",false);this.set("isVisible",true);this.set("isToggleable",false);this.set("keystroke");this.set("label");this.set("tabindex",-1);this.set("tooltip");this.set("tooltipPosition","s");this.set("type","button");this.set("withText",false);this.set("withKeystroke",false);this.children=this.createCollection();this.tooltipView=this._createTooltipView();this.labelView=this._createLabelView(n);this.iconView=new Qb;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?t:"button"),tabindex:e.to("tabindex"),"aria-labelledby":`ck-editor__aria-label_${n}`,"aria-disabled":e.if("isEnabled",true,t=>!t),"aria-pressed":e.to("isOn",t=>this.isToggleable?String(t):false)},children:this.children,on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(t=>{if(this.isEnabled){this.fire("execute")}else{t.preventDefault()}})}})}render(){super.render();if(this.icon){this.iconView.bind("content").to(this,"icon");this.children.add(this.iconView)}this.children.add(this.tooltipView);this.children.add(this.labelView);if(this.withKeystroke){this.children.add(this.keystrokeView)}}focus(){this.element.focus()}_createTooltipView(){const t=new Jb;t.bind("text").to(this,"_tooltipString");t.bind("position").to(this,"tooltipPosition");return t}_createLabelView(t){const e=new pb;const n=this.bindTemplate;e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:n.to("labelStyle"),id:`ck-editor__aria-label_${t}`},children:[{text:this.bindTemplate.to("label")}]});return e}_createKeystrokeView(){const t=new pb;t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",t=>jl(t))}]});return t}_getTooltipString(t,e,n){if(t){if(typeof t=="string"){return t}else{if(n){n=jl(n)}if(t instanceof Function){return t(e,n)}else{return`${e}${n?` (${n})`:""}`}}}return""}}var tw='';class ew extends Xb{constructor(t){super(t);this.arrowView=this._createArrowView();this.extendTemplate({attributes:{"aria-haspopup":true}});this.delegate("execute").to(this,"open")}render(){super.render();this.children.add(this.arrowView)}_createArrowView(){const t=new Qb;t.content=tw;t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}});return t}}var nw=n(33);class iw extends pb{constructor(){super();this.items=this.createCollection();this.focusTracker=new Cp;this.keystrokes=new up;this._focusCycler=new Ob({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 ow extends pb{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 rw extends pb{constructor(t){super(t);this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}var sw=n(35);class aw extends Xb{constructor(t){super(t);this.isToggleable=true;this.toggleSwitchView=this._createToggleView();this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render();this.children.add(this.toggleSwitchView)}_createToggleView(){const t=new pb;t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]});return t}}function cw({emitter:t,activator:e,callback:n,contextElements:i}){t.listenTo(document,"mousedown",(t,{target:o})=>{if(!e()){return}for(const t of i){if(t.contains(o)){return}}n()})}var lw=n(37);var dw=n(39);function uw(t,e=ew){const n=new e(t);const i=new Bb(t);const o=new Gb(t,n,i);n.bind("isEnabled").to(o);if(n instanceof ew){n.bind("isOn").to(o,"isOpen")}else{n.arrowView.bind("isOn").to(o,"isOpen")}mw(o);return o}function hw(t,e){const n=t.locale;const i=n.t;const o=t.toolbarView=new _w(n);o.set("ariaLabel",i("bx"));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)}function fw(t,e){const n=t.locale;const i=t.listView=new iw(n);i.items.bindTo(e).using(({type:t,model:e})=>{if(t==="separator"){return new rw(n)}else if(t==="button"||t==="switchbutton"){const i=new ow(n);let o;if(t==="button"){o=new Xb(n)}else{o=new aw(n)}o.bind(...Object.keys(e)).to(e);o.delegate("execute").to(i);i.children.add(o);return i}});t.panelView.children.add(i);i.items.delegate("execute").to(t)}function mw(t){gw(t);pw(t);bw(t)}function gw(t){t.on("render",()=>{cw({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=false},contextElements:[t.element]})})}function pw(t){t.on("execute",e=>{if(e.source instanceof aw){return}t.isOpen=false})}function bw(t){t.keystrokes.set("arrowdown",(e,n)=>{if(t.isOpen){t.panelView.focus();n()}});t.keystrokes.set("arrowup",(e,n)=>{if(t.isOpen){t.panelView.focusLast();n()}})}var ww='';var kw=n(41);class _w extends pb{constructor(t,e){super(t);const n=this.bindTemplate;const i=this.t;this.options=e||{};this.set("ariaLabel",i("bt"));this.items=this.createCollection();this.focusTracker=new Cp;this.keystrokes=new up;this.set("class");this.set("isCompact",false);this.itemsView=new vw(t);this.children=this.createCollection();this.children.add(this.itemsView);this.focusables=this.createCollection();this._focusCycler=new Ob({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}});this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar",n.to("class"),n.if("isCompact","ck-toolbar_compact")],role:"toolbar","aria-label":n.to("ariaLabel")},children:this.children,on:{mousedown:zb(this)}});this._behavior=this.options.shouldGroupWhenFull?new xw(this):new yw(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(){this._behavior.destroy();return super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){t.map(t=>{if(t=="|"){this.items.add(new Vb)}else if(e.has(t)){this.items.add(e.create(t))}else{console.warn(Object(ss["a"])("toolbarview-item-unavailable: The requested toolbar item is unavailable."),{name:t})}})}}class vw extends pb{constructor(t){super(t);this.children=this.createCollection();this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class yw{constructor(t){const e=t.bindTemplate;t.set("isVertical",false);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 xw{constructor(t){this.viewChildren=t.children;this.viewFocusables=t.focusables;this.viewItemsView=t.itemsView;this.viewFocusTracker=t.focusTracker;this.viewLocale=t.locale;this.ungroupedItems=t.createCollection();this.groupedItems=t.createCollection();this.groupedItemsDropdown=this._createGroupedItemsDropdown();this.resizeObserver=null;this.cachedPadding=null;t.itemsView.children.bindTo(this.ungroupedItems).using(t=>t);this.ungroupedItems.on("add",this._updateFocusCycleableItems.bind(this));this.ungroupedItems.on("remove",this._updateFocusCycleableItems.bind(this));t.children.on("add",this._updateFocusCycleableItems.bind(this));t.children.on("remove",this._updateFocusCycleableItems.bind(this));t.items.on("add",(t,e,n)=>{if(n>this.ungroupedItems.length){this.groupedItems.add(e,n-this.ungroupedItems.length)}else{this.ungroupedItems.add(e,n)}this._updateGrouping()});t.items.on("remove",(t,e,n)=>{if(n>this.ungroupedItems.length){this.groupedItems.remove(e)}else{this.ungroupedItems.remove(e)}this._updateGrouping()});t.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(t){this.viewElement=t.element;this._enableGroupingOnResize()}destroy(){this.groupedItemsDropdown.destroy();this.resizeObserver.destroy()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement)){return}let t;while(this._areItemsOverflowing){this._groupLastItem();t=true}if(!t&&this.groupedItems.length){while(this.groupedItems.length&&!this._areItemsOverflowing){this._ungroupFirstItem()}if(this._areItemsOverflowing){this._groupLastItem()}}}get _areItemsOverflowing(){if(!this.ungroupedItems.length){return false}const t=this.viewElement;const e=this.viewLocale.uiLanguageDirection;const n=new yh(t.lastChild);const i=new yh(t);if(!this.cachedPadding){const n=Od.window.getComputedStyle(t);const i=e==="ltr"?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(n[i])}if(e==="ltr"){return n.right>i.right-this.cachedPadding}else{return n.left{if(!t||t!==e.contentRect.width){this._updateGrouping();t=e.contentRect.width}});this._updateGrouping()}_groupLastItem(){if(!this.groupedItems.length){this.viewChildren.add(new Vb);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));if(!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;const e=t.t;const n=uw(t);n.class="ck-toolbar__grouped-dropdown";n.panelPosition=t.uiLanguageDirection==="ltr"?"sw":"se";hw(n,[]);n.buttonView.set({label:e("bu"),tooltip:true,icon:ww});n.toolbarView.items.bindTo(this.groupedItems).using(t=>t);return n}_updateFocusCycleableItems(){this.viewFocusables.clear();this.ungroupedItems.map(t=>{this.viewFocusables.add(t)});if(this.groupedItems.length){this.viewFocusables.add(this.groupedItemsDropdown)}}}var Cw=n(43);class Aw extends Tb{constructor(t,e,n={}){super(t);this.stickyPanel=new Nb(t);this.toolbar=new _w(t,{shouldGroupWhenFull:n.shouldToolbarGroupWhenFull});this.editable=new Sb(t,e)}render(){super.render();this.stickyPanel.content.add(this.toolbar);this.top.add(this.stickyPanel);this.main.add(this.editable)}}function Tw(t){if(t instanceof HTMLTextAreaElement){return t.value}return t.innerHTML}class Pw extends fp{constructor(t,e){super(e);if(Yr(t)){this.sourceElement=t}this.data.processor=new vp;this.model.document.createRoot();const n=!this.config.get("toolbar.shouldNotGroupWhenFull");const i=new Aw(this.locale,this.editing.view,{shouldToolbarGroupWhenFull:n});this.ui=new zp(this,i);kp(this)}destroy(){if(this.sourceElement){this.updateSourceElement()}this.ui.destroy();return super.destroy()}static create(t,e={}){return new Promise(n=>{const i=new this(t,e);n(i.initPlugins().then(()=>i.ui.init(Yr(t)?t:null)).then(()=>{if(!Yr(t)&&e.initialData){throw new ss["b"]("editor-create-initial-data: "+"The config.initialData option cannot be used together with initial data passed in Editor.create().",null)}const n=e.initialData||Sw(t);return i.data.init(n)}).then(()=>i.fire("ready")).then(()=>i))})}}vs(Pw,gp);vs(Pw,wp);function Sw(t){return Yr(t)?Tw(t):t}class Mw{static get pluginName(){return"BlockAutoformatEditing"}constructor(t,e,n){let i;let o=null;if(typeof n=="function"){i=n}else{o=t.commands.get(n);i=()=>{t.execute(n)}}t.model.document.on("change",(n,r)=>{if(o&&!o.isEnabled){return}if(r.type=="transparent"){return}const s=Array.from(t.model.document.differ.getChanges());const a=s[0];if(s.length!=1||a.type!=="insert"||a.name!="$text"||a.length!=1){return}const c=a.position.parent;if(!c.is("paragraph")||c.childCount!==1){return}const l=e.exec(c.getChild(0).data);if(!l){return}t.model.enqueueChange(t=>{const e=t.createPositionAt(c,0);const n=t.createPositionAt(c,l[0].length);const o=new sf(e,n);const r=i({match:l});if(r!==false){t.remove(o)}o.detach()})})}}function Ew(t,e){let n=t.start;const i=Array.from(t.getItems()).reduce((t,i)=>{if(!(i.is("text")||i.is("textProxy"))){n=e.createPositionAfter(i);return""}return t+i.data},"");return{text:i,range:e.createRange(n,t.end)}}class Iw{static get pluginName(){return"InlineAutoformatEditing"}constructor(t,e,n){let i;let o;let r;let s;if(e instanceof RegExp){i=e}else{r=e}if(typeof n=="string"){o=n}else{s=n}r=r||(t=>{let e;const n=[];const o=[];while((e=i.exec(t))!==null){if(e&&e.length<4){break}let{index:t,1:i,2:r,3:s}=e;const a=i+r+s;t+=e[0].length-a.length;const c=[t,t+i.length];const l=[t+i.length+r.length,t+i.length+r.length+s.length];n.push(c);n.push(l);o.push([t+i.length,t+i.length+r.length])}return{remove:n,format:o}});s=s||((e,n)=>{const i=t.model.schema.getValidRanges(n,o);for(const t of i){e.setAttribute(o,true,t)}e.removeSelectionAttribute(o)});t.model.document.on("change",(e,n)=>{if(n.type=="transparent"){return}const i=t.model;const o=i.document.selection;if(!o.isCollapsed){return}const a=Array.from(i.document.differ.getChanges());const c=a[0];if(a.length!=1||c.type!=="insert"||c.name!="$text"||c.length!=1){return}const l=o.focus;const d=l.parent;const{text:u,range:h}=Ew(i.createRange(i.createPositionAt(d,0),l),i);const f=r(u);const m=Nw(h.start,f.format,i);const g=Nw(h.start,f.remove,i);if(!(m.length&&g.length)){return}i.enqueueChange(t=>{const e=s(t,m);if(e===false){return}for(const e of g.reverse()){t.remove(e)}})})}}function Nw(t,e,n){return e.filter(t=>t[0]!==undefined&&t[1]!==undefined).map(e=>n.createRange(t.getShiftedBy(e[0]),t.getShiftedBy(e[1])))}class Ow{constructor(t){this.editor=t;this.set("isEnabled",true);this._disableStack=new Set}forceDisabled(t){this._disableStack.add(t);if(this._disableStack.size==1){this.on("set:isEnabled",Rw,{priority:"highest"});this.isEnabled=false}}clearForceDisabled(t){this._disableStack.delete(t);if(this._disableStack.size==0){this.off("set:isEnabled",Rw);this.isEnabled=true}}destroy(){this.stopListening()}static get isContextPlugin(){return false}}vs(Ow,Qc);function Rw(t){t.return=false;t.stop()}class Vw extends Ow{static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats();this._addBasicStylesAutoformats();this._addHeadingAutoformats();this._addBlockQuoteAutoformats();this._addCodeBlockAutoformats()}_addListAutoformats(){const t=this.editor.commands;if(t.get("bulletedList")){new Mw(this.editor,/^[*-]\s$/,"bulletedList")}if(t.get("numberedList")){new Mw(this.editor,/^1[.|)]\s$/,"numberedList")}}_addBasicStylesAutoformats(){const t=this.editor.commands;if(t.get("bold")){const t=Dw(this.editor,"bold");new Iw(this.editor,/(\*\*)([^*]+)(\*\*)$/g,t);new Iw(this.editor,/(__)([^_]+)(__)$/g,t)}if(t.get("italic")){const t=Dw(this.editor,"italic");new Iw(this.editor,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,t);new Iw(this.editor,/(?:^|[^_])(_)([^_]+)(_)$/g,t)}if(t.get("code")){const t=Dw(this.editor,"code");new Iw(this.editor,/(`)([^`]+)(`)$/g,t)}}_addHeadingAutoformats(){const t=this.editor.commands.get("heading");if(t){t.modelElements.filter(t=>t.match(/^heading[1-6]$/)).forEach(e=>{const n=e[7];const i=new RegExp(`^(#{${n}})\\s$`);new Mw(this.editor,i,()=>{if(!t.isEnabled){return false}this.editor.execute("heading",{value:e})})})}}_addBlockQuoteAutoformats(){if(this.editor.commands.get("blockQuote")){new Mw(this.editor,/^>\s$/,"blockQuote")}}_addCodeBlockAutoformats(){if(this.editor.commands.get("codeBlock")){new Mw(this.editor,/^```$/,"codeBlock")}}}function Dw(t,e){return(n,i)=>{const o=t.commands.get(e);if(!o.isEnabled){return false}const r=t.model.schema.getValidRanges(i,e);for(const t of r){n.setAttribute(e,true,t)}n.removeSelectionAttribute(e)}}class Lw{constructor(t){this.editor=t;this.set("value",undefined);this.set("isEnabled",false);this._disableStack=new Set;this.decorate("execute");this.listenTo(this.editor.model.document,"change",()=>{this.refresh()});this.on("execute",t=>{if(!this.isEnabled){t.stop()}},{priority:"high"});this.listenTo(t,"change:isReadOnly",(t,e,n)=>{if(n){this.forceDisabled("readOnlyMode")}else{this.clearForceDisabled("readOnlyMode")}})}refresh(){this.isEnabled=true}forceDisabled(t){this._disableStack.add(t);if(this._disableStack.size==1){this.on("set:isEnabled",jw,{priority:"highest"});this.isEnabled=false}}clearForceDisabled(t){this._disableStack.delete(t);if(this._disableStack.size==0){this.off("set:isEnabled",jw);this.refresh()}}execute(){}destroy(){this.stopListening()}}vs(Lw,Qc);function jw(t){t.return=false;t.stop()}function zw(t){const e=t.next();if(e.done){return null}return e.value}class Bw extends Lw{refresh(){this.value=this._getValue();this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model;const n=e.schema;const i=e.document.selection;const o=Array.from(i.getSelectedBlocks());const r=t.forceValue===undefined?!this.value:t.forceValue;e.change(t=>{if(!r){this._removeQuote(t,o.filter(Fw))}else{const e=o.filter(t=>Fw(t)||Uw(n,t));this._applyQuote(t,e)}})}_getValue(){const t=this.editor.model.document.selection;const e=zw(t.getSelectedBlocks());return!!(e&&Fw(e))}_checkEnabled(){if(this.value){return true}const t=this.editor.model.document.selection;const e=this.editor.model.schema;const n=zw(t.getSelectedBlocks());if(!n){return false}return Uw(e,n)}_removeQuote(t,e){Hw(t,e).reverse().forEach(e=>{if(e.start.isAtStart&&e.end.isAtEnd){t.unwrap(e.start.parent);return}if(e.start.isAtStart){const n=t.createPositionBefore(e.start.parent);t.move(e,n);return}if(!e.end.isAtEnd){t.split(e.end)}const n=t.createPositionAfter(e.end.parent);t.move(e,n)})}_applyQuote(t,e){const n=[];Hw(t,e).reverse().forEach(e=>{let i=Fw(e.start);if(!i){i=t.createElement("blockQuote");t.wrap(e,i)}n.push(i)});n.reverse().reduce((e,n)=>{if(e.nextSibling==n){t.merge(t.createPositionAfter(e));return e}return n})}}function Fw(t){return t.parent.name=="blockQuote"?t.parent:null}function Hw(t,e){let n;let i=0;const o=[];while(i{if(t.endsWith("blockQuote")&&e.name=="blockQuote"){return false}});t.conversion.elementToElement({model:"blockQuote",view:"blockquote"});t.model.document.registerPostFixer(n=>{const i=t.model.document.differ.getChanges();for(const t of i){if(t.type=="insert"){const i=t.position.nodeAfter;if(!i){continue}if(i.is("blockQuote")&&i.isEmpty){n.remove(i);return true}else if(i.is("blockQuote")&&!e.checkChild(t.position,i)){n.unwrap(i);return true}else if(i.is("element")){const t=n.createRangeIn(i);for(const i of t.getItems()){if(i.is("blockQuote")&&!e.checkChild(n.createPositionBefore(i),i)){n.unwrap(i);return true}}}}else if(t.type=="remove"){const e=t.position.parent;if(e.is("blockQuote")&&e.isEmpty){n.remove(e);return true}}}return false})}afterInit(){const t=this.editor;const e=t.commands.get("blockQuote");this.listenTo(this.editor.editing.view.document,"enter",(t,n)=>{const i=this.editor.model.document;const o=i.selection.getLastPosition().parent;if(i.selection.isCollapsed&&o.isEmpty&&e.value){this.editor.execute("blockQuote");this.editor.editing.view.scrollToTheSelection();n.preventDefault();t.stop()}})}}var qw='';var $w=n(45);class Gw extends Ow{init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add("blockQuote",n=>{const i=t.commands.get("blockQuote");const o=new Xb(n);o.set({label:e("d"),icon:qw,tooltip:true,isToggleable:true});o.bind("isOn","isEnabled").to(i,"value","isEnabled");this.listenTo(o,"execute",()=>{t.execute("blockQuote");t.editing.view.focus()});return o})}}class Yw extends Ow{static get requires(){return[Ww,Gw]}static get pluginName(){return"BlockQuote"}}class Qw extends Lw{constructor(t,e){super(t);this.attributeKey=e}refresh(){const t=this.editor.model;const e=t.document;this.value=this._getValueFromFirstAllowedNode();this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model;const n=e.document;const i=n.selection;const o=t.forceValue===undefined?!this.value:t.forceValue;e.change(t=>{if(i.isCollapsed){if(o){t.setSelectionAttribute(this.attributeKey,true)}else{t.removeSelectionAttribute(this.attributeKey)}}else{const n=e.schema.getValidRanges(i.getRanges(),this.attributeKey);for(const e of n){if(o){t.setAttribute(this.attributeKey,o,e)}else{t.removeAttribute(this.attributeKey,e)}}}})}_getValueFromFirstAllowedNode(){const t=this.editor.model;const e=t.schema;const n=t.document.selection;if(n.isCollapsed){return n.hasAttribute(this.attributeKey)}for(const t of n.getRanges()){for(const n of t.getItems()){if(e.checkAttribute(n,this.attributeKey)){return n.hasAttribute(this.attributeKey)}}}return false}}const Kw="bold";class Jw extends Ow{static get pluginName(){return"BoldEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Kw});t.model.schema.setAttributeProperties(Kw,{isFormatting:true,copyOnEnter:true});t.conversion.attributeToElement({model:Kw,view:"strong",upcastAlso:["b",t=>{const e=t.getStyle("font-weight");if(!e){return null}if(e=="bold"||Number(e)>=600){return{name:true,styles:["font-weight"]}}}]});t.commands.add(Kw,new Qw(t,Kw));t.keystrokes.set("CTRL+B",Kw)}}var Zw='';const Xw="bold";class tk extends Ow{init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add(Xw,n=>{const i=t.commands.get(Xw);const o=new Xb(n);o.set({label:e("ao"),icon:Zw,keystroke:"CTRL+B",tooltip:true,isToggleable:true});o.bind("isOn","isEnabled").to(i,"value","isEnabled");this.listenTo(o,"execute",()=>{t.execute(Xw);t.editing.view.focus()});return o})}}class ek extends Ow{static get requires(){return[Jw,tk]}static get pluginName(){return"Bold"}}var nk='';class ik extends Ow{static get pluginName(){return"CKFinderUI"}init(){const t=this.editor;const e=t.ui.componentFactory;const n=t.t;e.add("ckfinder",e=>{const i=t.commands.get("ckfinder");const o=new Xb(e);o.set({label:n("e"),icon:nk,tooltip:true});o.bind("isEnabled").to(i);o.on("execute",()=>{t.execute("ckfinder");t.editing.view.focus()});return o})}}class ok extends Yd{observe(t){this.listenTo(t,"load",(t,e)=>{const n=e.target;if(n.tagName=="IMG"){this._fireEvents(e)}},{useCapture:true})}_fireEvents(t){if(this.isEnabled){this.document.fire("layoutChanged");this.document.fire("imageLoaded",t)}}}function rk(){return e=>{e.on("element:figure",t)};function t(t,e,n){if(!n.consumable.test(e.viewItem,{name:true,classes:"image"})){return}const i=Array.from(e.viewItem.getChildren()).find(t=>t.is("img"));if(!i||!i.hasAttribute("src")||!n.consumable.test(i,{name:true})){return}const o=n.convertItem(i,e.modelCursor);const r=zw(o.modelRange.getItems());if(!r){return}n.convertChildren(e.viewItem,n.writer.createPositionAt(r,0));e.modelRange=o.modelRange;e.modelCursor=o.modelCursor}}function sk(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,n){if(!n.consumable.consume(e.item,t.name)){return}const i=n.writer;const o=n.mapper.toViewElement(e.item);const r=o.getChild(0);if(e.attributeNewValue===null){const t=e.attributeOldValue;if(t.data){i.removeAttribute("srcset",r);i.removeAttribute("sizes",r);if(t.width){i.removeAttribute("width",r)}}}else{const t=e.attributeNewValue;if(t.data){i.setAttribute("srcset",t.data,r);i.setAttribute("sizes","100vw",r);if(t.width){i.setAttribute("width",t.width,r)}}}}}function ak(t){return n=>{n.on(`attribute:${t}:image`,e)};function e(t,e,n){if(!n.consumable.consume(e.item,t.name)){return}const i=n.writer;const o=n.mapper.toViewElement(e.item);const r=o.getChild(0);if(e.attributeNewValue!==null){i.setAttribute(e.attributeKey,e.attributeNewValue,r)}else{i.removeAttribute(e.attributeKey,r)}}}class ck{constructor(){this._stack=[]}add(t,e){const n=this._stack;const i=n[0];this._insertDescriptor(t);const o=n[0];if(i!==o&&!lk(i,o)){this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:e})}}remove(t,e){const n=this._stack;const i=n[0];this._removeDescriptor(t);const o=n[0];if(i!==o&&!lk(i,o)){this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:e})}}_insertDescriptor(t){const e=this._stack;const n=e.findIndex(e=>e.id===t.id);if(lk(t,e[n])){return}if(n>-1){e.splice(n,1)}let i=0;while(e[i]&&dk(e[i],t)){i++}e.splice(i,0,t)}_removeDescriptor(t){const e=this._stack;const n=e.findIndex(e=>e.id===t);if(n>-1){e.splice(n,1)}}}vs(ck,ds);function lk(t,e){return t&&e&&t.priority==e.priority&&uk(t.classes)==uk(e.classes)}function dk(t,e){if(t.priority>e.priority){return true}else if(t.priorityuk(e.classes)}function uk(t){return Array.isArray(t)?t.sort().join(","):t}var hk='';const fk="ck-widget";const mk="ck-widget_selected";function gk(t){if(!t.is("element")){return false}return!!t.getCustomProperty("widget")}function pk(t,e,n={}){if(!Tl.isEdge){e.setAttribute("contenteditable","false",t)}e.addClass(fk,t);e.setCustomProperty("widget",true,t);t.getFillerOffset=xk;if(n.label){wk(t,n.label,e)}if(n.hasSelectionHandle){Ck(t,e)}bk(t,e,(t,e,n)=>n.addClass(i(e.classes),t),(t,e,n)=>n.removeClass(i(e.classes),t));return t;function i(t){return Array.isArray(t)?t:[t]}}function bk(t,e,n,i){const o=new ck;o.on("change:top",(e,o)=>{if(o.oldDescriptor){i(t,o.oldDescriptor,o.writer)}if(o.newDescriptor){n(t,o.newDescriptor,o.writer)}});e.setCustomProperty("addHighlight",(t,e,n)=>o.add(e,n),t);e.setCustomProperty("removeHighlight",(t,e,n)=>o.remove(e,n),t)}function wk(t,e,n){n.setCustomProperty("widgetLabel",e,t)}function kk(t){const e=t.getCustomProperty("widgetLabel");if(!e){return""}return typeof e=="function"?e():e}function _k(t,e){e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t);if(!Tl.isEdge){e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t);t.on("change:isReadOnly",(n,i,o)=>{e.setAttribute("contenteditable",o?"false":"true",t)})}t.on("change:isFocused",(n,i,o)=>{if(o){e.addClass("ck-editor__nested-editable_focused",t)}else{e.removeClass("ck-editor__nested-editable_focused",t)}});return t}function vk(t,e){const n=t.getSelectedElement();if(n&&e.schema.isBlock(n)){return e.createPositionAfter(n)}const i=t.getSelectedBlocks().next().value;if(i){if(i.isEmpty){return e.createPositionAt(i,0)}const n=e.createPositionAfter(i);if(t.focus.isTouching(n)){return n}return e.createPositionBefore(i)}return t.focus}function yk(t,e){return(n,i)=>{const{mapper:o,viewPosition:r}=i;const s=o.findMappedViewAncestor(r);if(!e(s)){return}const a=o.toModelElement(s);i.modelPosition=t.createPositionAt(a,r.isAtStart?"before":"after")}}function xk(){return null}function Ck(t,e){const n=e.createUIElement("div",{class:"ck ck-widget__selection-handle"},(function(t){const e=this.toDomElement(t);const n=new Qb;n.set("content",hk);n.render();e.appendChild(n.element);return e}));e.insert(e.createPositionAt(t,0),n);e.addClass(["ck-widget_with-selection-handle"],t)}function Ak(t,e,n){e.setCustomProperty("image",true,t);return pk(t,e,{label:i});function i(){const e=t.getChild(0);const i=e.getAttribute("alt");return i?`${i} ${n}`:n}}function Tk(t){return!!t.getCustomProperty("image")&&gk(t)}function Pk(t){const e=t.getSelectedElement();if(e&&Tk(e)){return e}return null}function Sk(t){return!!t&&t.is("image")}function Mk(t,e,n={}){const i=t.createElement("image",n);const o=vk(e.document.selection,e);e.insertContent(i,o);if(i.parent){t.setSelection(i,"on")}}function Ek(t){const e=t.schema;const n=t.document.selection;return Ik(n,e,t)&&!Nk(n,e)&&Ok(n)}function Ik(t,e,n){const i=Rk(t,n);return e.checkChild(i,"image")}function Nk(t,e){const n=t.getSelectedElement();return n&&e.isObject(n)}function Ok(t){return[...t.focus.getAncestors()].every(t=>!t.is("image"))}function Rk(t,e){const n=vk(t,e);const i=n.parent;if(i.isEmpty&&!i.is("$root")){return i.parent}return i}class Vk extends Lw{refresh(){this.isEnabled=Ek(this.editor.model)}execute(t){const e=this.editor.model;e.change(n=>{const i=Array.isArray(t.source)?t.source:[t.source];for(const t of i){Mk(n,e,{src:t})}})}}class Dk extends Ow{static get pluginName(){return"ImageEditing"}init(){const t=this.editor;const e=t.model.schema;const n=t.t;const i=t.conversion;t.editing.view.addObserver(ok);e.register("image",{isObject:true,isBlock:true,allowWhere:"$block",allowAttributes:["alt","src","srcset"]});i.for("dataDowncast").elementToElement({model:"image",view:(t,e)=>Lk(e)});i.for("editingDowncast").elementToElement({model:"image",view:(t,e)=>Ak(Lk(e),e,n("aq"))});i.for("downcast").add(ak("src")).add(ak("alt")).add(sk());i.for("upcast").elementToElement({view:{name:"img",attributes:{src:true}},model:(t,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")};if(t.hasAttribute("width")){e.width=t.getAttribute("width")}return e}}}).add(rk());t.commands.add("imageInsert",new Vk(t))}}function Lk(t){const e=t.createEmptyElement("img");const n=t.createContainerElement("figure",{class:"image"});t.insert(t.createPositionAt(n,0),e);return n}function jk(t,e,n){return n.createRange(zk(t,e,true,n),zk(t,e,false,n))}function zk(t,e,n,i){let o=t.textNode||(n?t.nodeBefore:t.nodeAfter);let r=null;while(o&&o.getAttribute("linkHref")==e){r=o;o=n?o.previousSibling:o.nextSibling}return r?i.createPositionAt(r,n?"before":"after"):t}class Bk extends Lw{constructor(t){super(t);this.manualDecorators=new ys}restoreManualDecoratorStates(){for(const t of this.manualDecorators){t.value=this._getDecoratorStateFromModel(t.id)}}refresh(){const t=this.editor.model;const e=t.document;this.value=e.selection.getAttribute("linkHref");for(const t of this.manualDecorators){t.value=this._getDecoratorStateFromModel(t.id)}this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}execute(t,e={}){const n=this.editor.model;const i=n.document.selection;const o=[];const r=[];for(const t in e){if(e[t]){o.push(t)}else{r.push(t)}}n.change(e=>{if(i.isCollapsed){const s=i.getFirstPosition();if(i.hasAttribute("linkHref")){const a=jk(s,i.getAttribute("linkHref"),n);e.setAttribute("linkHref",t,a);o.forEach(t=>{e.setAttribute(t,true,a)});r.forEach(t=>{e.removeAttribute(t,a)});e.setSelection(a)}else if(t!==""){const r=Hs(i.getAttributes());r.set("linkHref",t);o.forEach(t=>{r.set(t,true)});const a=e.createText(t,r);n.insertContent(a,s);e.setSelection(e.createRangeOn(a))}}else{const s=n.schema.getValidRanges(i.getRanges(),"linkHref");for(const n of s){e.setAttribute("linkHref",t,n);o.forEach(t=>{e.setAttribute(t,true,n)});r.forEach(t=>{e.removeAttribute(t,n)})}}})}_getDecoratorStateFromModel(t){const e=this.editor.model.document;return e.selection.getAttribute(t)||false}}class Fk extends Lw{refresh(){this.isEnabled=this.editor.model.document.selection.hasAttribute("linkHref")}execute(){const t=this.editor;const e=this.editor.model;const n=e.document.selection;const i=t.commands.get("link");e.change(t=>{const o=n.isCollapsed?[jk(n.getFirstPosition(),n.getAttribute("linkHref"),e)]:n.getRanges();for(const e of o){t.removeAttribute("linkHref",e);if(i){for(const n of i.manualDecorators){t.removeAttribute(n.id,e)}}}})}}function Hk(t,e,n){var i=t.length;n=n===undefined?i:n;return!e&&n>=i?t:Ia(t,e,n)}var Uk=Hk;var Wk="\\ud800-\\udfff",qk="\\u0300-\\u036f",$k="\\ufe20-\\ufe2f",Gk="\\u20d0-\\u20ff",Yk=qk+$k+Gk,Qk="\\ufe0e\\ufe0f";var Kk="\\u200d";var Jk=RegExp("["+Kk+Wk+Yk+Qk+"]");function Zk(t){return Jk.test(t)}var Xk=Zk;function t_(t){return t.split("")}var e_=t_;var n_="\\ud800-\\udfff",i_="\\u0300-\\u036f",o_="\\ufe20-\\ufe2f",r_="\\u20d0-\\u20ff",s_=i_+o_+r_,a_="\\ufe0e\\ufe0f";var c_="["+n_+"]",l_="["+s_+"]",d_="\\ud83c[\\udffb-\\udfff]",u_="(?:"+l_+"|"+d_+")",h_="[^"+n_+"]",f_="(?:\\ud83c[\\udde6-\\uddff]){2}",m_="[\\ud800-\\udbff][\\udc00-\\udfff]",g_="\\u200d";var p_=u_+"?",b_="["+a_+"]?",w_="(?:"+g_+"(?:"+[h_,f_,m_].join("|")+")"+b_+p_+")*",k_=b_+p_+w_,__="(?:"+[h_+l_+"?",l_,f_,m_,c_].join("|")+")";var v_=RegExp(d_+"(?="+d_+")|"+__+k_,"g");function y_(t){return t.match(v_)||[]}var x_=y_;function C_(t){return Xk(t)?x_(t):e_(t)}var A_=C_;function T_(t){return function(e){e=_a(e);var n=Xk(e)?A_(e):undefined;var i=n?n[0]:e.charAt(0);var o=n?Uk(n,1).join(""):e.slice(1);return i[t]()+o}}var P_=T_;var S_=P_("toUpperCase");var M_=S_;const E_=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g;const I_=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;function N_(t){return t.is("attributeElement")&&!!t.getCustomProperty("link")}function O_(t,e){const n=e.createAttributeElement("a",{href:t},{priority:5});e.setCustomProperty("link",true,n);return n}function R_(t){t=String(t);return V_(t)?t:"#"}function V_(t){const e=t.replace(E_,"");return e.match(I_)}function D_(t,e){const n={"Open in a new tab":t("eg"),Downloadable:t("eh")};e.forEach(t=>{if(t.label&&n[t.label]){t.label=n[t.label]}return t});return e}function L_(t){const e=[];if(t){for(const[n,i]of Object.entries(t)){const t=Object.assign({},i,{id:`link${M_(n)}`});e.push(t)}}return e}class j_{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(t){if(Array.isArray(t)){t.forEach(t=>this._definitions.add(t))}else{this._definitions.add(t)}}getDispatcher(){return t=>{t.on("attribute:linkHref",(t,e,n)=>{if(!n.consumable.test(e.item,"attribute:linkHref")){return}const i=n.writer;const o=i.document.selection;for(const t of this._definitions){const r=i.createAttributeElement("a",t.attributes,{priority:5});i.setCustomProperty("link",true,r);if(t.callback(e.attributeNewValue)){if(e.item.is("selection")){i.wrap(o.getFirstRange(),r)}else{i.wrap(n.mapper.toViewRange(e.range),r)}}else{i.unwrap(n.mapper.toViewRange(e.range),r)}}},{priority:"high"})}}}class z_{constructor({id:t,label:e,attributes:n}){this.id=t;this.set("value");this.label=e;this.attributes=n}}vs(z_,Qc);function B_({view:t,model:e,emitter:n,attribute:i,locale:o}){const r=new F_(e,n,i);const s=e.document.selection;n.listenTo(t.document,"keydown",(t,e)=>{if(!s.isCollapsed){return}if(e.shiftKey||e.altKey||e.ctrlKey){return}const n=e.keyCode==Vl.arrowright;const i=e.keyCode==Vl.arrowleft;if(!n&&!i){return}const a=s.getFirstPosition();const c=o.contentLanguageDirection;let l;if(c==="ltr"&&n||c==="rtl"&&i){l=r.handleForwardMovement(a,e)}else{l=r.handleBackwardMovement(a,e)}if(l){t.stop()}},{priority:os.get("high")+1})}class F_{constructor(t,e,n){this.model=t;this.attribute=n;this._modelSelection=t.document.selection;this._overrideUid=null;this._isNextGravityRestorationSkipped=false;e.listenTo(this._modelSelection,"change:range",(t,e)=>{if(this._isNextGravityRestorationSkipped){this._isNextGravityRestorationSkipped=false;return}if(!this._isGravityOverridden){return}if(!e.directChange&&H_(this._modelSelection.getFirstPosition(),n)){return}this._restoreGravity()})}handleForwardMovement(t,e){const n=this.attribute;if(this._isGravityOverridden){return}if(t.isAtStart&&this._hasSelectionAttribute){return}if(q_(t,n)&&this._hasSelectionAttribute){this._preventCaretMovement(e);this._removeSelectionAttribute();return true}if(U_(t,n)){this._preventCaretMovement(e);this._overrideGravity();return true}if(W_(t,n)&&this._hasSelectionAttribute){this._preventCaretMovement(e);this._overrideGravity();return true}}handleBackwardMovement(t,e){const n=this.attribute;if(this._isGravityOverridden){if(q_(t,n)&&this._hasSelectionAttribute){this._preventCaretMovement(e);this._restoreGravity();this._removeSelectionAttribute();return true}else{this._preventCaretMovement(e);this._restoreGravity();if(t.isAtStart){this._removeSelectionAttribute()}return true}}else{if(q_(t,n)&&!this._hasSelectionAttribute){this._preventCaretMovement(e);this._setSelectionAttributeFromTheNodeBefore(t);return true}if(t.isAtEnd&&W_(t,n)){if(this._hasSelectionAttribute){if($_(t,n)){this._skipNextAutomaticGravityRestoration();this._overrideGravity()}return}else{this._preventCaretMovement(e);this._setSelectionAttributeFromTheNodeBefore(t);return true}}if(t.isAtStart){if(this._hasSelectionAttribute){this._removeSelectionAttribute();this._preventCaretMovement(e);return true}return}if($_(t,n)){this._skipNextAutomaticGravityRestoration();this._overrideGravity()}}}get _isGravityOverridden(){return!!this._overrideUid}get _hasSelectionAttribute(){return this._modelSelection.hasAttribute(this.attribute)}_overrideGravity(){this._overrideUid=this.model.change(t=>t.overrideSelectionGravity())}_restoreGravity(){this.model.change(t=>{t.restoreSelectionGravity(this._overrideUid);this._overrideUid=null})}_preventCaretMovement(t){t.preventDefault()}_removeSelectionAttribute(){this.model.change(t=>{t.removeSelectionAttribute(this.attribute)})}_setSelectionAttributeFromTheNodeBefore(t){const e=this.attribute;this.model.change(n=>{n.setSelectionAttribute(this.attribute,t.nodeBefore.getAttribute(e))})}_skipNextAutomaticGravityRestoration(){this._isNextGravityRestorationSkipped=true}}function H_(t,e){return U_(t,e)||W_(t,e)}function U_(t,e){const{nodeBefore:n,nodeAfter:i}=t;const o=n?n.hasAttribute(e):false;const r=i?i.hasAttribute(e):false;return r&&(!o||n.getAttribute(e)!==i.getAttribute(e))}function W_(t,e){const{nodeBefore:n,nodeAfter:i}=t;const o=n?n.hasAttribute(e):false;const r=i?i.hasAttribute(e):false;return o&&(!r||n.getAttribute(e)!==i.getAttribute(e))}function q_(t,e){const{nodeBefore:n,nodeAfter:i}=t;const o=n?n.hasAttribute(e):false;const r=i?i.hasAttribute(e):false;if(!r||!o){return}return i.getAttribute(e)!==n.getAttribute(e)}function $_(t,e){return H_(t.getShiftedBy(-1),e)}var G_=n(47);const Y_="ck-link_selected";const Q_="automatic";const K_="manual";const J_=/^(https?:)?\/\//;class Z_ extends Ow{static get pluginName(){return"LinkEditing"}constructor(t){super(t);t.config.define("link",{addTargetToExternalLinks:false})}init(){const t=this.editor;const e=t.locale;t.model.schema.extend("$text",{allowAttributes:"linkHref"});t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:O_});t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>O_(R_(t),e)});t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:true}},model:{key:"linkHref",value:t=>t.getAttribute("href")}});t.commands.add("link",new Bk(t));t.commands.add("unlink",new Fk(t));const n=D_(t.t,L_(t.config.get("link.decorators")));this._enableAutomaticDecorators(n.filter(t=>t.mode===Q_));this._enableManualDecorators(n.filter(t=>t.mode===K_));B_({view:t.editing.view,model:t.model,emitter:this,attribute:"linkHref",locale:e});this._setupLinkHighlight()}_enableAutomaticDecorators(t){const e=this.editor;const n=new j_;if(e.config.get("link.addTargetToExternalLinks")){n.add({id:"linkIsExternal",mode:Q_,callback:t=>J_.test(t),attributes:{target:"_blank",rel:"noopener noreferrer"}})}n.add(t);if(n.length){e.conversion.for("downcast").add(n.getDispatcher())}}_enableManualDecorators(t){if(!t.length){return}const e=this.editor;const n=e.commands.get("link");const i=n.manualDecorators;t.forEach(t=>{e.model.schema.extend("$text",{allowAttributes:t.id});i.add(new z_(t));e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,n)=>{if(e){const e=i.get(t.id).attributes;const o=n.createAttributeElement("a",e,{priority:5});n.setCustomProperty("link",true,o);return o}}});e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:i.get(t.id).attributes},model:{key:t.id}})})}_setupLinkHighlight(){const t=this.editor;const e=t.editing.view;const n=new Set;e.document.registerPostFixer(e=>{const i=t.model.document.selection;let o=false;if(i.hasAttribute("linkHref")){const r=jk(i.getFirstPosition(),i.getAttribute("linkHref"),t.model);const s=t.editing.mapper.toViewRange(r);for(const t of s.getItems()){if(t.is("a")&&!t.hasClass(Y_)){e.addClass(Y_,t);n.add(t);o=true}}}return o});t.conversion.for("editingDowncast").add(t=>{t.on("insert",i,{priority:"highest"});t.on("remove",i,{priority:"highest"});t.on("attribute",i,{priority:"highest"});t.on("selection",i,{priority:"highest"});function i(){e.change(t=>{for(const e of n.values()){t.removeClass(Y_,e);n.delete(e)}})}})}}class X_{constructor(t){this.context=t}destroy(){this.stopListening()}static get isContextPlugin(){return true}}vs(X_,Qc);class tv extends X_{static get pluginName(){return"Notification"}init(){this.on("show:warning",(t,e)=>{window.alert(e.message)},{priority:"lowest"})}showSuccess(t,e={}){this._showNotification({message:t,type:"success",namespace:e.namespace,title:e.title})}showInfo(t,e={}){this._showNotification({message:t,type:"info",namespace:e.namespace,title:e.title})}showWarning(t,e={}){this._showNotification({message:t,type:"warning",namespace:e.namespace,title:e.title})}_showNotification(t){const e=`show:${t.type}`+(t.namespace?`:${t.namespace}`:"");this.fire(e,{message:t.message,type:t.type,title:t.title||""})}}class ev extends Lw{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");const e=this.editor.commands.get("link");this.isEnabled=t.isEnabled||e.isEnabled}execute(){const t=this.editor;const e=this.editor.config.get("ckfinder.openerMethod")||"modal";if(e!="popup"&&e!="modal"){throw new ss["b"]('ckfinder-unknown-openerMethod: The openerMethod config option must by "popup" or "modal".',t)}const n=this.editor.config.get("ckfinder.options")||{};n.chooseFiles=true;const i=n.onInit;if(!n.language){n.language=t.locale.uiLanguage}n.onInit=e=>{if(i){i(e)}e.on("files:choose",n=>{const i=n.data.files.toArray();const o=i.filter(t=>!t.isImage());const r=i.filter(t=>t.isImage());for(const e of o){t.execute("link",e.getUrl())}const s=[];for(const t of r){const n=t.getUrl();s.push(n?n:e.request("file:getProxyUrl",{file:t}))}if(s.length){nv(t,s)}});e.on("file:choose:resizedImage",e=>{const n=e.data.resizedUrl;if(!n){const e=t.plugins.get("Notification");const n=t.locale.t;e.showWarning(n("bm"),{title:n("bn"),namespace:"ckfinder"});return}nv(t,[n])})};window.CKFinder[e](n)}}function nv(t,e){const n=t.commands.get("imageInsert");if(!n.isEnabled){const e=t.plugins.get("Notification");const n=t.locale.t;e.showWarning(n("bo"),{title:n("bp"),namespace:"ckfinder"});return}t.execute("imageInsert",{source:e})}class iv extends Ow{static get pluginName(){return"CKFinderEditing"}static get requires(){return[tv,Dk,Z_]}init(){const t=this.editor;t.commands.add("ckfinder",new ev(t))}}class ov extends X_{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",false);this._actions=new ys({idProperty:"_id"});this._actions.delegate("add","remove").to(this)}add(t){if(typeof t!=="string"){throw new ss["b"]("pendingactions-add-invalid-message: The message must be a string.",this)}const e=Object.create(Qc);e.set("message",t);this._actions.add(e);this.hasAny=true;return 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 rv{constructor(){const t=new window.FileReader;this._reader=t;this._data=undefined;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;this.total=t.size;return new Promise((n,i)=>{e.onload=()=>{const t=e.result;this._data=t;n(t)};e.onerror=()=>{i("error")};e.onabort=()=>{i("aborted")};this._reader.readAsDataURL(t)})}abort(){this._reader.abort()}}vs(rv,Qc);class sv extends Ow{static get pluginName(){return"FileRepository"}static get requires(){return[ov]}init(){this.loaders=new ys;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){console.warn(Object(ss["a"])("filerepository-no-upload-adapter: Upload adapter is not defined."));return null}const e=new av(Promise.resolve(t),this.createUploadAdapter);this.loaders.add(e);this._loadersMap.set(t,e);if(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){if(e.uploadTotal){t+=e.uploadTotal}}this.uploadTotal=t});return e}destroyLoader(t){const e=t instanceof av?t:this.getLoader(t);e._destroy();this.loaders.remove(e);this._loadersMap.forEach((t,n)=>{if(t===e){this._loadersMap.delete(n)}})}_updatePendingAction(){const t=this.editor.plugins.get(ov);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t;const n=t=>`${e("bi")} ${parseInt(t)}%.`;this._pendingAction=t.add(n(this.uploadedPercent));this._pendingAction.bind("message").to(this,"uploadedPercent",n)}}else{t.remove(this._pendingAction);this._pendingAction=null}}}vs(sv,Qc);class av{constructor(t,e){this.id=ns();this._filePromiseWrapper=this._createFilePromiseWrapper(t);this._adapter=e(this);this._reader=new rv;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(){if(!this._filePromiseWrapper){return Promise.resolve(null)}else{return this._filePromiseWrapper.promise.then(t=>this._filePromiseWrapper?t:null)}}get data(){return this._reader.data}read(){if(this.status!="idle"){throw new ss["b"]("filerepository-read-wrong-status: You cannot call read if the status is different than idle.",this)}this.status="reading";return this.file.then(t=>this._reader.read(t)).then(t=>{this.status="idle";return t}).catch(t=>{if(t==="aborted"){this.status="aborted";throw"aborted"}this.status="error";throw this._reader.error?this._reader.error:t})}upload(){if(this.status!="idle"){throw new ss["b"]("filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.",this)}this.status="uploading";return this.file.then(()=>this._adapter.upload()).then(t=>{this.uploadResponse=t;this.status="idle";return t}).catch(t=>{if(this.status==="aborted"){throw"aborted"}this.status="error";throw t})}abort(){const t=this.status;this.status="aborted";if(!this._filePromiseWrapper.isFulfilled){this._filePromiseWrapper.promise.catch(()=>{});this._filePromiseWrapper.rejecter("aborted")}else if(t=="reading"){this._reader.abort()}else if(t=="uploading"&&this._adapter.abort){this._adapter.abort()}this._destroy()}_destroy(){this._filePromiseWrapper=undefined;this._reader=undefined;this._adapter=undefined;this.uploadResponse=undefined}_createFilePromiseWrapper(t){const e={};e.promise=new Promise((n,i)=>{e.rejecter=i;e.isFulfilled=false;t.then(t=>{e.isFulfilled=true;n(t)}).catch(t=>{e.isFulfilled=true;i(t)})});return e}}vs(av,Qc);const cv="ckCsrfToken";const lv=40;const dv="abcdefghijklmnopqrstuvwxyz0123456789";function uv(){let t=hv(cv);if(!t||t.length!=lv){t=mv(lv);fv(cv,t)}return t}function hv(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const n of e){const e=n.split("=");const i=decodeURIComponent(e[0].trim().toLowerCase());if(i===t){return decodeURIComponent(e[1])}}return null}function fv(t,e){document.cookie=encodeURIComponent(t)+"="+encodeURIComponent(e)+";path=/"}function mv(t){let e="";const n=new Uint8Array(t);window.crypto.getRandomValues(n);for(let t=0;t.5?i.toUpperCase():i}return e}class gv extends Ow{static get requires(){return[sv]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");if(!t){return}this.editor.plugins.get(sv).createUploadAdapter=e=>new pv(e,t,this.editor.t)}}class pv{constructor(t,e,n){this.loader=t;this.url=e;this.t=n}upload(){return this.loader.file.then(t=>new Promise((e,n)=>{this._initRequest();this._initListeners(e,n,t);this._sendRequest(t)}))}abort(){if(this.xhr){this.xhr.abort()}}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.url,true);t.responseType="json"}_initListeners(t,e,n){const i=this.xhr;const o=this.loader;const r=this.t;const s=r("a")+` ${n.name}.`;i.addEventListener("error",()=>e(s));i.addEventListener("abort",()=>e());i.addEventListener("load",()=>{const n=i.response;if(!n||!n.uploaded){return e(n&&n.error&&n.error.message?n.error.message:s)}t({default:n.url})});if(i.upload){i.upload.addEventListener("progress",t=>{if(t.lengthComputable){o.uploadTotal=t.total;o.uploaded=t.loaded}})}}_sendRequest(t){const e=new FormData;e.append("upload",t);e.append("ckCsrfToken",uv());this.xhr.send(e)}}class bv extends Ow{static get pluginName(){return"CKFinder"}static get requires(){return[iv,ik,gv]}}class wv extends Lw{refresh(){const t=this.editor.model;const e=t.document;const n=zw(e.selection.getSelectedBlocks());this.value=!!n&&n.is("paragraph");this.isEnabled=!!n&&kv(n,t.schema)}execute(t={}){const e=this.editor.model;const n=e.document;e.change(i=>{const o=(t.selection||n.selection).getSelectedBlocks();for(const t of o){if(!t.is("paragraph")&&kv(t,e.schema)){i.rename(t,"paragraph")}}})}}function kv(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class _v extends Ow{static get pluginName(){return"Paragraph"}init(){const t=this.editor;const e=t.model;const n=t.data;t.commands.add("paragraph",new wv(t));e.schema.register("paragraph",{inheritAllFrom:"$block"});t.conversion.elementToElement({model:"paragraph",view:"p"});t.conversion.for("upcast").elementToElement({model:(t,e)=>{if(!_v.paragraphLikeElements.has(t.name)){return null}if(t.isEmpty){return null}return e.createElement("paragraph")},converterPriority:"low"});n.upcastDispatcher.on("element",(t,e,n)=>{if(!n.consumable.test(e.viewItem,{name:e.viewItem.name})){return}if(yv(e.viewItem,e.modelCursor,n.schema)){Object.assign(e,vv(e.viewItem,e.modelCursor,n))}},{priority:"low"});n.upcastDispatcher.on("text",(t,e,n)=>{if(e.modelRange){return}if(yv(e.viewItem,e.modelCursor,n.schema)){Object.assign(e,vv(e.viewItem,e.modelCursor,n))}},{priority:"lowest"});e.document.registerPostFixer(t=>this._autoparagraphEmptyRoots(t));t.data.on("ready",()=>{e.enqueueChange("transparent",t=>this._autoparagraphEmptyRoots(t))},{priority:"lowest"})}_autoparagraphEmptyRoots(t){const e=this.editor.model;for(const n of e.document.getRootNames()){const i=e.document.getRoot(n);if(i.isEmpty&&i.rootName!="$graveyard"){if(e.schema.checkChild(i,"paragraph")){t.insertElement("paragraph",i);return true}}}}}_v.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td"]);function vv(t,e,n){const i=n.writer.createElement("paragraph");n.writer.insert(i,e);return n.convertItem(t,n.writer.createPositionAt(i,0))}function yv(t,e,n){const i=n.createContext(e);if(!n.checkChild(i,"paragraph")){return false}if(!n.checkChild(i.push("paragraph"),t)){return false}return true}class xv extends Lw{constructor(t,e){super(t);this.modelElements=e}refresh(){const t=zw(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name;this.isEnabled=!!t&&this.modelElements.some(e=>Cv(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model;const n=e.document;const i=t.value;e.change(t=>{const o=Array.from(n.selection.getSelectedBlocks()).filter(t=>Cv(t,i,e.schema));for(const e of o){if(!e.is(i)){t.rename(e,i)}}})}}function Cv(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}const Av="paragraph";class Tv extends Ow{static get pluginName(){return"HeadingEditing"}constructor(t){super(t);t.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[_v]}init(){const t=this.editor;const e=t.config.get("heading.options");const n=[];for(const i of e){if(i.model!==Av){t.model.schema.register(i.model,{inheritAllFrom:"$block"});t.conversion.elementToElement(i);n.push(i.model)}}this._addDefaultH1Conversion(t);t.commands.add("heading",new xv(t,n))}afterInit(){const t=this.editor;const e=t.commands.get("enter");const n=t.config.get("heading.options");if(e){this.listenTo(e,"afterExecute",(e,i)=>{const o=t.model.document.selection.getFirstPosition().parent;const r=n.some(t=>o.is(t.model));if(r&&!o.is(Av)&&o.childCount===0){i.writer.rename(o,Av)}})}}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:os.get("low")+1})}}class Pv{constructor(t,e){if(e){Wc(this,e)}if(t){this.set(t)}}}vs(Pv,Qc);function Sv(t){const e=t.t;const n={Paragraph:e("en"),"Heading 1":e("eo"),"Heading 2":e("ep"),"Heading 3":e("eq"),"Heading 4":e("er"),"Heading 5":e("es"),"Heading 6":e("et")};return t.config.get("heading.options").map(t=>{const e=n[t.title];if(e&&e!=t.title){t.title=e}return t})}var Mv=n(11);class Ev extends Ow{init(){const t=this.editor;const e=t.t;const n=Sv(t);const i=e("f");const o=e("g");t.ui.componentFactory.add("heading",e=>{const r={};const s=new ys;const a=t.commands.get("heading");const c=t.commands.get("paragraph");const l=[a];for(const t of n){const e={type:"button",model:new Pv({label:t.title,class:t.class,withText:true})};if(t.model==="paragraph"){e.model.bind("isOn").to(c,"value");e.model.set("commandName","paragraph");l.push(c)}else{e.model.bind("isOn").to(a,"value",e=>e===t.model);e.model.set({commandName:"heading",commandValue:t.model})}s.add(e);r[t.model]=t.title}const d=uw(e);fw(d,s);d.buttonView.set({isOn:false,withText:true,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 n=t||e&&"paragraph";return r[n]?r[n]:i});this.listenTo(d,"execute",e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:undefined);t.editing.view.focus()});return d})}}class Iv extends Ow{static get requires(){return[Tv,Ev]}static get pluginName(){return"Heading"}}class Nv extends Ku{constructor(t){super(t);this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}var Ov=n(50);const Rv=Ll("Ctrl+A");class Vv extends Ow{static get pluginName(){return"Widget"}init(){const t=this.editor.editing.view;const e=t.document;this._previouslySelected=new Set;this.editor.editing.downcastDispatcher.on("selection",(t,e,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const i=n.writer;const o=i.document.selection;const r=o.getSelectedElement();let s=null;for(const t of o.getRanges()){for(const e of t){const t=e.item;if(gk(t)&&!zv(t,s)){i.addClass(mk,t);this._previouslySelected.add(t);s=t;if(t==r){i.setSelection(o.getRanges(),{fake:true,label:kk(r)})}}}}},{priority:"low"});t.addObserver(Nv);this.listenTo(e,"mousedown",(...t)=>this._onMousedown(...t));this.listenTo(e,"keydown",(...t)=>this._onKeydown(...t),{priority:"high"});this.listenTo(e,"delete",(t,e)=>{if(this._handleDelete(e.direction=="forward")){e.preventDefault();t.stop()}},{priority:"high"})}_onMousedown(t,e){const n=this.editor;const i=n.editing.view;const o=i.document;let r=e.target;if(jv(r)){if(Tl.isSafari&&e.domEvent.detail>=3){const t=n.editing.mapper;const i=t.toModelElement(r);this.editor.model.change(t=>{e.preventDefault();t.setSelection(i,"in")})}return}if(!gk(r)){r=r.findAncestor(gk);if(!r){return}}e.preventDefault();if(!o.isFocused){i.focus()}const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_onKeydown(t,e){const n=e.keyCode;const i=this.editor.locale.contentLanguageDirection==="ltr";const o=n==Vl.arrowdown||n==Vl[i?"arrowright":"arrowleft"];let r=false;if(Dv(n)){r=this._handleArrowKeys(o)}else if(Lv(e)){r=this._selectAllNestedEditableContent()||this._selectAllContent()}else if(n===Vl.enter){r=this._handleEnterKey(e.shiftKey)}if(r){e.preventDefault();t.stop()}}_handleDelete(t){if(this.editor.isReadOnly){return}const e=this.editor.model.document;const n=e.selection;if(!n.isCollapsed){return}const i=this._getObjectElementNextToSelection(t);if(i){this.editor.model.change(t=>{let e=n.anchor.parent;while(e.isEmpty){const n=e;e=n.parent;t.remove(n)}this._setSelectionOverElement(i)});return true}}_handleArrowKeys(t){const e=this.editor.model;const n=e.schema;const i=e.document;const o=i.selection;const r=o.getSelectedElement();if(r&&n.isObject(r)){const i=t?o.getLastPosition():o.getFirstPosition();const r=n.getNearestSelectionRange(i,t?"forward":"backward");if(r){e.change(t=>{t.setSelection(r)})}return true}if(!o.isCollapsed){return}const s=this._getObjectElementNextToSelection(t);if(!!s&&n.isObject(s)){this._setSelectionOverElement(s);return true}}_handleEnterKey(t){const e=this.editor.model;const n=e.document.selection;const i=n.getSelectedElement();if(Bv(i,e.schema)){e.change(n=>{let o=n.createPositionAt(i,t?"before":"after");const r=n.createElement("paragraph");if(e.schema.isBlock(i.parent)){const t=e.schema.findAllowedParent(o,r);o=n.split(o,t).position}n.insert(r,o);n.setSelection(r,"in")});return true}}_selectAllNestedEditableContent(){const t=this.editor.model;const e=t.document.selection;const n=t.schema.getLimitElement(e);if(e.getFirstRange().root==n){return false}t.change(t=>{t.setSelection(t.createRangeIn(n))});return true}_selectAllContent(){const t=this.editor.model;const e=this.editor.editing;const n=e.view;const i=n.document;const o=i.selection;const r=o.getSelectedElement();if(r&&gk(r)){const n=e.mapper.toModelElement(r.parent);t.change(t=>{t.setSelection(t.createRangeIn(n))});return true}return false}_setSelectionOverElement(t){this.editor.model.change(e=>{e.setSelection(e.createRangeOn(t))})}_getObjectElementNextToSelection(t){const e=this.editor.model;const n=e.schema;const i=e.document.selection;const o=e.createSelection(i);e.modifySelection(o,{direction:t?"forward":"backward"});const r=t?o.focus.nodeBefore:o.focus.nodeAfter;if(!!r&&n.isObject(r)){return r}return null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected){t.removeClass(mk,e)}this._previouslySelected.clear()}}function Dv(t){return t==Vl.arrowright||t==Vl.arrowleft||t==Vl.arrowup||t==Vl.arrowdown}function Lv(t){return Dl(t)==Rv}function jv(t){while(t){if(t.is("editableElement")&&!t.is("rootElement")){return true}if(gk(t)){return false}t=t.parent}return false}function zv(t,e){if(!e){return false}return Array.from(t.getAncestors()).includes(e)}function Bv(t,e){return t&&e.isObject(t)&&!e.isInline(t)}class Fv extends Lw{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=Sk(t);if(Sk(t)&&t.hasAttribute("alt")){this.value=t.getAttribute("alt")}else{this.value=false}}execute(t){const e=this.editor.model;const n=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute("alt",t.newValue,n)})}}class Hv extends Ow{static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new Fv(this.editor))}}var Uv=n(52);class Wv extends pb{constructor(t,e){super(t);const n=`ck-input-${ns()}`;const i=`ck-status-${ns()}`;this.set("label");this.set("value");this.set("isReadOnly",false);this.set("errorText",null);this.set("infoText",null);this.labelView=this._createLabelView(n);this.inputView=this._createInputView(e,n,i);this.statusView=this._createStatusView(i);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-input",o.if("isReadOnly","ck-disabled")]},children:[this.labelView,this.inputView,this.statusView]})}_createLabelView(t){const e=new Ab(this.locale);e.for=t;e.bind("text").to(this,"label");return e}_createInputView(t,e,n){const i=new t(this.locale,n);i.id=e;i.ariaDescribedById=n;i.bind("value").to(this);i.bind("isReadOnly").to(this);i.bind("hasError").to(this,"errorText",t=>!!t);i.on("input",()=>{this.errorText=null});return i}_createStatusView(t){const e=new pb(this.locale);const n=this.bindTemplate;e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input__status",n.if("errorText","ck-labeled-input__status_error"),n.if("_statusText","ck-hidden",t=>!t)],id:t,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]});return e}select(){this.inputView.select()}focus(){this.inputView.focus()}}var qv=n(54);class $v extends pb{constructor(t){super(t);this.set("value");this.set("id");this.set("placeholder");this.set("isReadOnly",false);this.set("hasError",false);this.set("ariaDescribedById");const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",e.if("hasError","ck-error")],id:e.to("id"),placeholder:e.to("placeholder"),readonly:e.to("isReadOnly"),"aria-invalid":e.if("hasError",true),"aria-describedby":e.to("ariaDescribedById")},on:{input:e.to("input")}})}render(){super.render();const t=t=>{this.element.value=!t&&t!==0?"":t};t(this.value);this.on("change:value",(e,n,i)=>{t(i)})}select(){this.element.select()}focus(){this.element.focus()}}function Gv({view:t}){t.listenTo(t.element,"submit",(e,n)=>{n.preventDefault();t.fire("submit")},{useCapture:true})}var Yv='';var Qv='';var Kv=n(56);class Jv extends pb{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new Cp;this.keystrokes=new up;this.labeledInput=this._createLabeledInputView();this.saveButtonView=this._createButton(e("cw"),Yv,"ck-button-save");this.saveButtonView.type="submit";this.cancelButtonView=this._createButton(e("cx"),Qv,"ck-button-cancel","cancel");this._focusables=new Bp;this._focusCycler=new Ob({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"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]})}render(){super.render();this.keystrokes.listenTo(this.element);Gv({view:this});[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t);this.focusTracker.add(t.element)})}_createButton(t,e,n,i){const o=new Xb(this.locale);o.set({label:t,icon:e,tooltip:true});o.extendTemplate({attributes:{class:n}});if(i){o.delegate("execute").to(this,i)}return o}_createLabeledInputView(){const t=this.locale.t;const e=new Wv(this.locale,$v);e.label=t("dx");e.inputView.placeholder=t("dx");return e}}var Zv=n(58);const Xv=Mb("px");const ty=Od.document.body;class ey extends pb{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0);this.set("left",0);this.set("position","arrow_nw");this.set("isVisible",false);this.set("withArrow",true);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",Xv),left:e.to("left",Xv)}},children:this.content})}show(){this.isVisible=true}hide(){this.isVisible=false}attachTo(t){this.show();const e=ey.defaultPositions;const n=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthWest,e.northArrowSouthEast],limiter:ty,fitInViewport:true},t);const i=ey._getOptimalPosition(n);const o=parseInt(i.left);const r=parseInt(i.top);const s=i.name;Object.assign(this,{top:r,left:o,position:s})}pin(t){this.unpin();this._pinWhenIsVisibleCallback=()=>{if(this.isVisible){this._startPinning(t)}else{this._stopPinning()}};this._startPinning(t);this.listenTo(this,"change:isVisible",this._pinWhenIsVisibleCallback)}unpin(){if(this._pinWhenIsVisibleCallback){this._stopPinning();this.stopListening(this,"change:isVisible",this._pinWhenIsVisibleCallback);this._pinWhenIsVisibleCallback=null;this.hide()}}_startPinning(t){this.attachTo(t);const e=ny(t.target);const n=t.limiter?ny(t.limiter):ty;this.listenTo(Od.document,"scroll",(i,o)=>{const r=o.target;const s=e&&r.contains(e);const a=n&&r.contains(n);if(s||a||!e||!n){this.attachTo(t)}},{useCapture:true});this.listenTo(Od.window,"resize",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(Od.document,"scroll");this.stopListening(Od.window,"resize")}}function ny(t){if(Yr(t)){return t}if(kh(t)){return t.commonAncestorContainer}if(typeof t=="function"){return ny(t())}return null}ey.arrowHorizontalOffset=25;ey.arrowVerticalOffset=10;ey._getOptimalPosition=Ub;ey.defaultPositions={northArrowSouth:(t,e)=>({top:iy(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthEast:(t,e)=>({top:iy(t,e),left:t.left+t.width/2-e.width+ey.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:iy(t,e),left:t.left+t.width/2-ey.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouth:(t,e)=>({top:iy(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthWest:(t,e)=>({top:iy(t,e),left:t.left-ey.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthEast:(t,e)=>({top:iy(t,e),left:t.left-e.width+ey.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouth:(t,e)=>({top:iy(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthEast:(t,e)=>({top:iy(t,e),left:t.right-e.width+ey.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:iy(t,e),left:t.right-ey.arrowHorizontalOffset,name:"arrow_sw"}),southArrowNorth:(t,e)=>({top:oy(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthEast:(t,e)=>({top:oy(t,e),left:t.left+t.width/2-e.width+ey.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:oy(t,e),left:t.left+t.width/2-ey.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorth:(t,e)=>({top:oy(t,e),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthWest:(t,e)=>({top:oy(t,e),left:t.left-ey.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthEast:(t,e)=>({top:oy(t,e),left:t.left-e.width+ey.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorth:(t,e)=>({top:oy(t,e),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthEast:(t,e)=>({top:oy(t,e),left:t.right-e.width+ey.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:oy(t,e),left:t.right-ey.arrowHorizontalOffset,name:"arrow_nw"})};function iy(t,e){return t.top-e.height-ey.arrowVerticalOffset}function oy(t){return t.bottom+ey.arrowVerticalOffset}var ry='';var sy='';var ay=n(60);var cy=n(62);const ly=Mb("px");class dy extends Ow{static get pluginName(){return"ContextualBalloon"}constructor(t){super(t);this.positionLimiter=()=>{const t=this.editor.editing.view;const e=t.document;const n=e.selection.editableElement;if(n){return t.domConverter.mapViewToDom(n.root)}return null};this.set("visibleView",null);this.view=new ey(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",false);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 ss["b"]("contextualballoon-add-view-exist: Cannot add configuration of the same view twice.",[this,t])}const e=t.stackId||"main";if(!this._idToStack.has(e)){this._idToStack.set(e,new Map([[t.view,t]]));this._viewToStack.set(t.view,this._idToStack.get(e));this._numberOfStacks=this._idToStack.size;if(!this._visibleStack||t.singleViewMode){this.showStack(e)}return}const n=this._idToStack.get(e);if(t.singleViewMode){this.showStack(e)}n.set(t.view,t);this._viewToStack.set(t.view,n);if(n===this._visibleStack){this._showView(t)}}remove(t){if(!this.hasView(t)){throw new ss["b"]("contextualballoon-remove-view-not-exist: Cannot remove the configuration of a non-existent view.",[this,t])}const e=this._viewToStack.get(t);if(this._singleViewMode&&this.visibleView===t){this._singleViewMode=false}if(this.visibleView===t){if(e.size===1){if(this._idToStack.size>1){this._showNextStack()}else{this.view.hide();this.visibleView=null;this._rotatorView.hideView()}}else{this._showView(Array.from(e.values())[e.size-2])}}if(e.size===1){this._idToStack.delete(this._getStackId(e));this._numberOfStacks=this._idToStack.size}else{e.delete(t)}this._viewToStack.delete(t)}updatePosition(t){if(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 ss["b"]("contextualballoon-showstack-stack-not-exist: Cannot show a stack that does not exist.",this)}if(this._visibleStack===e){return}this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){const e=Array.from(this._idToStack.entries()).find(e=>e[1]===t);return e[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;if(!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;if(!t[e]){e=t.length-1}this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new uy(this.editor.locale);const e=this.editor.locale.t;this.view.content.add(t);t.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>1);t.on("change:isNavigationVisible",()=>this.updatePosition(),{priority:"low"});t.bind("counter").to(this,"visibleView",this,"_numberOfStacks",(t,n)=>{if(n<2){return""}const i=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("du",[i,n])});t.buttonNextView.on("execute",()=>{if(t.focusTracker.isFocused){this.editor.editing.view.focus()}this._showNextStack()});t.buttonPrevView.on("execute",()=>{if(t.focusTracker.isFocused){this.editor.editing.view.focus()}this._showPrevStack()});return t}_createFakePanelsView(){const t=new hy(this.editor.locale,this.view);t.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>{const n=!e&&t>=2;return n?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);return t}_showView({view:t,balloonClassName:e="",withArrow:n=true,singleViewMode:i=false}){this.view.class=e;this.view.withArrow=n;this._rotatorView.showView(t);this.visibleView=t;this.view.pin(this._getBalloonPosition());this._fakePanelsView.updatePosition();if(i){this._singleViewMode=true}}_getBalloonPosition(){let t=Array.from(this._visibleStack.values()).pop().position;if(t&&!t.limiter){t=Object.assign({},t,{limiter:this.positionLimiter})}return t}}class uy extends pb{constructor(t){super(t);const e=t.t;const n=this.bindTemplate;this.set("isNavigationVisible",true);this.focusTracker=new Cp;this.buttonPrevView=this._createButtonView(e("dv"),ry);this.buttonNextView=this._createButtonView(e("dw"),sy);this.content=this.createCollection();this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",n.to("isNavigationVisible",t=>t?"":"ck-hidden")]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:n.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render();this.focusTracker.add(this.element)}showView(t){this.hideView();this.content.add(t)}hideView(){this.content.clear()}_createButtonView(t,e){const n=new Xb(this.locale);n.set({label:t,icon:e,tooltip:true});return n}}class hy extends pb{constructor(t,e){super(t);const n=this.bindTemplate;this.set("top",0);this.set("left",0);this.set("height",0);this.set("width",0);this.set("numberOfPanels",0);this.content=this.createCollection();this._balloonPanelView=e;this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",n.to("numberOfPanels",t=>t?"":"ck-hidden")],style:{top:n.to("top",ly),left:n.to("left",ly),width:n.to("width",ly),height:n.to("height",ly)}},children:this.content});this.on("change:numberOfPanels",(t,e,n,i)=>{if(n>i){this._addPanels(n-i)}else{this._removePanels(i-n)}this.updatePosition()})}_addPanels(t){while(t--){const t=new pb;t.setTemplate({tag:"div"});this.content.add(t);this.registerChild(t)}}_removePanels(t){while(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;const{width:n,height:i}=new yh(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:n,height:i})}}}var fy='';function my(t){const e=t.plugins.get("ContextualBalloon");if(Pk(t.editing.view.document.selection)){const n=gy(t);e.updatePosition(n)}}function gy(t){const e=t.editing.view;const n=ey.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class py extends Ow{static get requires(){return[dy]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton();this._createForm()}destroy(){super.destroy();this._form.destroy()}_createButton(){const t=this.editor;const e=t.t;t.ui.componentFactory.add("imageTextAlternative",n=>{const i=t.commands.get("imageTextAlternative");const o=new Xb(n);o.set({label:e("bq"),icon:fy,tooltip:true});o.bind("isEnabled").to(i,"isEnabled");this.listenTo(o,"execute",()=>{this._showForm()});return o})}_createForm(){const t=this.editor;const e=t.editing.view;const n=e.document;this._balloon=this.editor.plugins.get("ContextualBalloon");this._form=new Jv(t.locale);this._form.render();this.listenTo(this._form,"submit",()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.inputView.element.value});this._hideForm(true)});this.listenTo(this._form,"cancel",()=>{this._hideForm(true)});this._form.keystrokes.set("Esc",(t,e)=>{this._hideForm(true);e()});this.listenTo(t.ui,"update",()=>{if(!Pk(n.selection)){this._hideForm(true)}else if(this._isVisible){my(t)}});cw({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible){return}const t=this.editor;const e=t.commands.get("imageTextAlternative");const n=this._form.labeledInput;if(!this._isInBalloon){this._balloon.add({view:this._form,position:gy(t)})}n.value=n.inputView.element.value=e.value||"";this._form.labeledInput.select()}_hideForm(t){if(!this._isInBalloon){return}if(this._form.focusTracker.isFocused){this._form.saveButtonView.focus()}this._balloon.remove(this._form);if(t){this.editor.editing.view.focus()}}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}class by extends Ow{static get requires(){return[Hv,py]}static get pluginName(){return"ImageTextAlternative"}}var wy=n(64);class ky extends Ow{static get requires(){return[Dk,Vv,by]}static get pluginName(){return"Image"}}function _y(t,e){return n=>{const i=n.createEditableElement("figcaption");n.setCustomProperty("imageCaption",true,i);Ep({view:t,element:i,text:e});return _k(i,n)}}function vy(t){return!!t.getCustomProperty("imageCaption")}function yy(t){for(const e of t.getChildren()){if(!!e&&e.is("caption")){return e}}return null}function xy(t){const e=t.parent;if(t.name=="figcaption"&&e&&e.name=="figure"&&e.hasClass("image")){return{name:true}}return null}class Cy extends Ow{static get pluginName(){return"ImageCaptionEditing"}init(){const t=this.editor;const e=t.editing.view;const n=t.model.schema;const i=t.data;const o=t.editing;const r=t.t;n.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:true});t.model.document.registerPostFixer(t=>this._insertMissingModelCaptionElement(t));t.conversion.for("upcast").elementToElement({view:xy,model:"caption"});const s=t=>t.createContainerElement("figcaption");i.downcastDispatcher.on("insert:caption",Ay(s,false));const a=_y(e,r("ar"));o.downcastDispatcher.on("insert:caption",Ay(a));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;const n=this._lastSelectedCaption;let i;const o=this.editor.model.document.selection;const r=o.getSelectedElement();if(r&&r.is("image")){const t=yy(r);i=e.toViewElement(t)}const s=o.getFirstPosition();const a=Py(s.parent);if(a){i=e.toViewElement(a)}if(i){if(n){if(n===i){return My(i,t)}else{Sy(n,t);this._lastSelectedCaption=i;return My(i,t)}}else{this._lastSelectedCaption=i;return My(i,t)}}else{if(n){const e=Sy(n,t);this._lastSelectedCaption=null;return e}else{return false}}}_fixCaptionVisibility(t){return(e,n,i)=>{const o=t(n);const r=Py(o);const s=this.editor.editing.mapper;const a=i.writer;if(r){const t=s.toViewElement(r);if(t){if(r.childCount){a.removeClass("ck-hidden",t)}else{a.addClass("ck-hidden",t)}}}}}_insertMissingModelCaptionElement(t){const e=this.editor.model;const n=e.document.differ.getChanges();const i=[];for(const t of n){if(t.type=="insert"&&t.name!="$text"){const n=t.position.nodeAfter;if(n.is("image")&&!yy(n)){i.push(n)}if(!n.is("image")&&n.childCount){for(const t of e.createRangeIn(n).getItems()){if(t.is("image")&&!yy(t)){i.push(t)}}}}}for(const e of i){t.appendElement("caption",e)}return!!i.length}}function Ay(t,e=true){return(n,i,o)=>{const r=i.item;if(!r.childCount&&!e){return}if(Sk(r.parent)){if(!o.consumable.consume(i.item,"insert")){return}const e=o.mapper.toViewElement(i.range.start.parent);const n=t(o.writer);const s=o.writer;if(!r.childCount){s.addClass("ck-hidden",n)}Ty(n,i.item,e,o)}}}function Ty(t,e,n,i){const o=i.writer.createPositionAt(n,"end");i.writer.insert(o,t);i.mapper.bindElements(e,t)}function Py(t){const e=t.getAncestors({includeSelf:true});const n=e.find(t=>t.name=="caption");if(n&&n.parent&&n.parent.name=="image"){return n}return null}function Sy(t,e){if(!t.childCount&&!t.hasClass("ck-hidden")){e.addClass("ck-hidden",t);return true}return false}function My(t,e){if(t.hasClass("ck-hidden")){e.removeClass("ck-hidden",t);return true}return false}var Ey=n(66);class Iy extends Ow{static get requires(){return[Cy]}static get pluginName(){return"ImageCaption"}}class Ny extends Lw{constructor(t,e){super(t);this.defaultStyle=false;this.styles=e.reduce((t,e)=>{t[e.name]=e;if(e.isDefault){this.defaultStyle=e.name}return t},{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=Sk(t);if(!t){this.value=false}else if(t.hasAttribute("imageStyle")){const e=t.getAttribute("imageStyle");this.value=this.styles[e]?e:false}else{this.value=this.defaultStyle}}execute(t){const e=t.value;const n=this.editor.model;const i=n.document.selection.getSelectedElement();n.change(t=>{if(this.styles[e].isDefault){t.removeAttribute("imageStyle",i)}else{t.setAttribute("imageStyle",e,i)}})}}function Oy(t){return(e,n,i)=>{if(!i.consumable.consume(n.item,e.name)){return}const o=Vy(n.attributeNewValue,t);const r=Vy(n.attributeOldValue,t);const s=i.mapper.toViewElement(n.item);const a=i.writer;if(r){a.removeClass(r.className,s)}if(o){a.addClass(o.className,s)}}}function Ry(t){const e=t.filter(t=>!t.isDefault);return(t,n,i)=>{if(!n.modelRange){return}const o=n.viewItem;const r=zw(n.modelRange.getItems());if(!i.schema.checkAttribute(r,"imageStyle")){return}for(const t of e){if(i.consumable.consume(o,{classes:t.className})){i.writer.setAttribute("imageStyle",t.name,r)}}}}function Vy(t,e){for(const n of e){if(n.name===t){return n}}}var Dy='';var Ly='';var jy='';var zy='';const By={full:{name:"full",title:"Full size image",icon:Dy,isDefault:true},side:{name:"side",title:"Side image",icon:zy,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:Ly,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:jy,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:zy,className:"image-style-align-right"}};const Fy={full:Dy,left:Ly,right:zy,center:jy};function Hy(t=[]){return t.map(Uy)}function Uy(t){if(typeof t=="string"){const e=t;if(By[e]){t=Object.assign({},By[e])}else{console.warn(Object(ss["a"])("image-style-not-found: There is no such image style of given name."),{name:e});t={name:e}}}else if(By[t.name]){const e=By[t.name];const n=Object.assign({},t);for(const i in e){if(!t.hasOwnProperty(i)){n[i]=e[i]}}t=n}if(typeof t.icon=="string"&&Fy[t.icon]){t.icon=Fy[t.icon]}return t}class Wy extends Ow{static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor;const e=t.model.schema;const n=t.data;const i=t.editing;t.config.define("image.styles",["full","side"]);const o=Hy(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const r=Oy(o);i.downcastDispatcher.on("attribute:imageStyle:image",r);n.downcastDispatcher.on("attribute:imageStyle:image",r);n.upcastDispatcher.on("element:figure",Ry(o),{priority:"low"});t.commands.add("imageStyle",new Ny(t,o))}}var qy=n(68);class $y extends Ow{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("as"),"Side image":t("at"),"Left aligned image":t("au"),"Centered image":t("av"),"Right aligned image":t("aw")}}init(){const t=this.editor;const e=t.config.get("image.styles");const n=Gy(Hy(e),this.localizedDefaultStylesTitles);for(const t of n){this._createButton(t)}}_createButton(t){const e=this.editor;const n=`imageStyle:${t.name}`;e.ui.componentFactory.add(n,n=>{const i=e.commands.get("imageStyle");const o=new Xb(n);o.set({label:t.title,icon:t.icon,tooltip:true,isToggleable:true});o.bind("isEnabled").to(i,"isEnabled");o.bind("isOn").to(i,"value",e=>e===t.name);this.listenTo(o,"execute",()=>{e.execute("imageStyle",{value:t.name});e.editing.view.focus()});return o})}}function Gy(t,e){for(const n of t){if(e[n.title]){n.title=e[n.title]}}return t}class Yy extends Ow{static get requires(){return[Wy,$y]}static get pluginName(){return"ImageStyle"}}class Qy extends Ow{static get requires(){return[dy]}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=>{if(Zy(t.editing.view.document.selection)){e.stop()}},{priority:"high"})}this._toolbarDefinitions=new Map;this._balloon=this.editor.plugins.get("ContextualBalloon");this.on("change:isEnabled",()=>{this._updateToolbarsVisibility()});this.listenTo(t.ui,"update",()=>{this._updateToolbarsVisibility()});this.listenTo(t.ui.focusTracker,"change:isFocused",()=>{this._updateToolbarsVisibility()},{priority:"low"})}destroy(){super.destroy();for(const t of this._toolbarDefinitions.values()){t.view.destroy()}}register(t,{ariaLabel:e,items:n,getRelatedElement:i,balloonClassName:o="ck-toolbar-container"}){const r=this.editor;const s=r.t;const a=new _w(r.locale);a.ariaLabel=e||s("bj");if(this._toolbarDefinitions.has(t)){throw new ss["b"]("widget-toolbar-duplicated: Toolbar with the given id was already added.",this,{toolbarId:t})}a.fillFromConfig(n,r.ui.componentFactory);this._toolbarDefinitions.set(t,{view:a,getRelatedElement:i,balloonClassName:o})}_updateToolbarsVisibility(){let t=0;let e=null;let n=null;for(const i of this._toolbarDefinitions.values()){const o=i.getRelatedElement(this.editor.editing.view.document.selection);if(!this.isEnabled||!o){if(this._isToolbarInBalloon(i)){this._hideToolbar(i)}}else if(!this.editor.ui.focusTracker.isFocused){if(this._isToolbarVisible(i)){this._hideToolbar(i)}}else{const r=o.getAncestors().length;if(r>t){t=r;e=o;n=i}}}if(n){this._showToolbar(n,e)}}_hideToolbar(t){this._balloon.remove(t.view);this.stopListening(this._balloon,"change:visibleView")}_showToolbar(t,e){if(this._isToolbarVisible(t)){Ky(this.editor,e)}else if(!this._isToolbarInBalloon(t)){this._balloon.add({view:t.view,position:Jy(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);Ky(this.editor,e)}}})}}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function Ky(t,e){const n=t.plugins.get("ContextualBalloon");const i=Jy(t,e);n.updatePosition(i)}function Jy(t,e){const n=t.editing.view;const i=ey.defaultPositions;return{target:n.domConverter.mapViewToDom(e),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast]}}function Zy(t){const e=t.getSelectedElement();return!!(e&&gk(e))}class Xy extends Ow{static get requires(){return[Qy]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor;const e=t.t;const n=t.plugins.get(Qy);n.register("image",{ariaLabel:e("b"),items:t.config.get("image.toolbar")||[],getRelatedElement:Pk})}}class tx extends pb{constructor(t){super(t);this.buttonView=new Xb(t);this._fileInputView=new ex(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 ex extends pb{constructor(t){super(t);this.set("acceptedType");this.set("allowMultipleFiles",false);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(()=>{if(this.element&&this.element.files&&this.element.files.length){this.fire("done",this.element.files)}this.element.value=""})}})}open(){this.element.click()}}var nx='';function ix(t){const e=t.map(t=>t.replace("+","\\+"));return new RegExp(`^image\\/(${e.join("|")})$`)}function ox(t){return new Promise((e,n)=>{const i=t.getAttribute("src");fetch(i).then(t=>t.blob()).then(t=>{const o=sx(t,i);const r=o.replace("image/","");const s=`image.${r}`;const a=ax(t,s,o);a?e(a):n()}).catch(n)})}function rx(t){if(!t.is("element","img")||!t.getAttribute("src")){return false}return t.getAttribute("src").match(/^data:image\/\w+;base64,/g)||t.getAttribute("src").match(/^blob:/g)}function sx(t,e){if(t.type){return t.type}else if(e.match(/data:(image\/\w+);base64/)){return e.match(/data:(image\/\w+);base64/)[1].toLowerCase()}else{return"image/jpeg"}}function ax(t,e,n){try{return new File([t],e,{type:n})}catch(t){return null}}class cx extends Ow{init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add("imageUpload",n=>{const i=new tx(n);const o=t.commands.get("imageUpload");const r=t.config.get("image.upload.types");const s=ix(r);i.set({acceptedType:r.map(t=>`image/${t}`).join(","),allowMultipleFiles:true});i.buttonView.set({label:e("ax"),icon:nx,tooltip:true});i.buttonView.bind("isEnabled").to(o);i.on("done",(e,n)=>{const i=Array.from(n).filter(t=>s.test(t.type));if(i.length){t.execute("imageUpload",{file:i})}});return i})}}var lx='';var dx=n(70);var ux=n(72);var hx=n(74);class fx extends Ow{constructor(t){super(t);this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent(lx)}init(){const t=this.editor;t.editing.downcastDispatcher.on("attribute:uploadStatus:image",(...t)=>this.uploadStatusChange(...t))}uploadStatusChange(t,e,n){const i=this.editor;const o=e.item;const r=o.getAttribute("uploadId");if(!n.consumable.consume(e.item,t.name)){return}const s=i.plugins.get(sv);const a=r?e.attributeNewValue:null;const c=this.placeholder;const l=i.editing.mapper.toViewElement(o);const d=n.writer;if(a=="reading"){mx(l,d);px(c,l,d);return}if(a=="uploading"){const t=s.loaders.get(r);mx(l,d);if(!t){px(c,l,d)}else{bx(l,d);wx(l,d,t,i.editing.view);Ax(l,d,t)}return}if(a=="complete"&&s.loaders.get(r)&&!Tl.isEdge){_x(l,d,i.editing.view)}kx(l,d);bx(l,d);gx(l,d)}}function mx(t,e){if(!t.hasClass("ck-appear")){e.addClass("ck-appear",t)}}function gx(t,e){e.removeClass("ck-appear",t)}function px(t,e,n){if(!e.hasClass("ck-image-upload-placeholder")){n.addClass("ck-image-upload-placeholder",e)}const i=e.getChild(0);if(i.getAttribute("src")!==t){n.setAttribute("src",t,i)}if(!xx(e,"placeholder")){n.insert(n.createPositionAfter(i),yx(n))}}function bx(t,e){if(t.hasClass("ck-image-upload-placeholder")){e.removeClass("ck-image-upload-placeholder",t)}Cx(t,e,"placeholder")}function wx(t,e,n,i){const o=vx(e);e.insert(e.createPositionAt(t,"end"),o);n.on("change:uploadedPercent",(t,e,n)=>{i.change(t=>{t.setStyle("width",n+"%",o)})})}function kx(t,e){Cx(t,e,"progressBar")}function _x(t,e,n){const i=e.createUIElement("div",{class:"ck-image-upload-complete-icon"});e.insert(e.createPositionAt(t,"end"),i);setTimeout(()=>{n.change(t=>t.remove(t.createRangeOn(i)))},3e3)}function vx(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});t.setCustomProperty("progressBar",true,e);return e}function yx(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});t.setCustomProperty("placeholder",true,e);return e}function xx(t,e){for(const n of t.getChildren()){if(n.getCustomProperty(e)){return n}}}function Cx(t,e,n){const i=xx(t,n);if(i){e.remove(e.createRangeOn(i))}}function Ax(t,e,n){if(n.data){const i=t.getChild(0);e.setAttribute("src",n.data,i)}}class Tx{constructor(t){this.files=Px(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)}}function Px(t){const e=t.files?Array.from(t.files):[];const n=t.items?Array.from(t.items):[];if(e.length){return e}return n.filter(t=>t.kind==="file").map(t=>t.getAsFile())}class Sx extends Ku{constructor(t){super(t);const e=this.document;this.domEventType=["paste","copy","cut","drop","dragover"];this.listenTo(e,"paste",n,{priority:"low"});this.listenTo(e,"drop",n,{priority:"low"});function n(t,n){n.preventDefault();const i=n.dropRange?[n.dropRange]:Array.from(e.selection.getRanges());const o=new ts(e,"clipboardInput");e.fire(o,{dataTransfer:n.dataTransfer,targetRanges:i});if(o.stop.called){n.stopPropagation()}}}onDomEvent(t){const e={dataTransfer:new Tx(t.clipboardData?t.clipboardData:t.dataTransfer)};if(t.type=="drop"){e.dropRange=Mx(this.view,t)}this.fire(t.type,t,e)}}function Mx(t,e){const n=e.target.ownerDocument;const i=e.clientX;const o=e.clientY;let r;if(n.caretRangeFromPoint&&n.caretRangeFromPoint(i,o)){r=n.caretRangeFromPoint(i,o)}else if(e.rangeParent){r=n.createRange();r.setStart(e.rangeParent,e.rangeOffset);r.collapse(true)}if(r){return t.domConverter.domRangeToView(r)}else{return t.document.selection.getFirstRange()}}function Ex(t){t=t.replace(//g,">").replace(/\n/g,"

").replace(/^\s/," ").replace(/\s$/," ").replace(/\s\s/g,"  ");if(t.indexOf("

")>-1){t=`

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`}return t}function Ix(t){return t.replace(/(\s+)<\/span>/g,(t,e)=>{if(e.length==1){return" "}return e})}const Nx=["figcaption","li"];function Ox(t){let e="";if(t.is("text")||t.is("textProxy")){e=t.data}else if(t.is("img")&&t.hasAttribute("alt")){e=t.getAttribute("alt")}else{let n=null;for(const i of t.getChildren()){const t=Ox(i);if(n&&(n.is("containerElement")||i.is("containerElement"))){if(Nx.includes(n.name)||Nx.includes(i.name)){e+="\n"}else{e+="\n\n"}}e+=t;n=i}}return e}class Rx extends Ow{static get pluginName(){return"Clipboard"}init(){const t=this.editor;const e=t.model.document;const n=t.editing.view;const i=n.document;this._htmlDataProcessor=new vp;n.addObserver(Sx);this.listenTo(i,"clipboardInput",e=>{if(t.isReadOnly){e.stop()}},{priority:"highest"});this.listenTo(i,"clipboardInput",(t,e)=>{const i=e.dataTransfer;let o="";if(i.getData("text/html")){o=Ix(i.getData("text/html"))}else if(i.getData("text/plain")){o=Ex(i.getData("text/plain"))}o=this._htmlDataProcessor.toView(o);this.fire("inputTransformation",{content:o,dataTransfer:i});n.scrollToTheSelection()},{priority:"low"});this.listenTo(this,"inputTransformation",(t,e)=>{if(!e.content.isEmpty){const t=this.editor.data;const n=this.editor.model;const i=t.toModel(e.content,"$clipboardHolder");if(i.childCount==0){return}n.insertContent(i)}},{priority:"low"});function o(n,o){const r=o.dataTransfer;o.preventDefault();const s=t.data.toView(t.model.getSelectedContent(e.selection));i.fire("clipboardOutput",{dataTransfer:r,content:s,method:n.name})}this.listenTo(i,"copy",o,{priority:"low"});this.listenTo(i,"cut",(e,n)=>{if(t.isReadOnly){n.preventDefault()}else{o(e,n)}},{priority:"low"});this.listenTo(i,"clipboardOutput",(n,i)=>{if(!i.content.isEmpty){i.dataTransfer.setData("text/html",this._htmlDataProcessor.toData(i.content));i.dataTransfer.setData("text/plain",Ox(i.content))}if(i.method=="cut"){t.model.deleteContent(e.selection)}},{priority:"low"})}}class Vx{createDocumentFragment(t){return new ql(t)}createElement(t,e,n){return new Lc(t,e,n)}createText(t){return new js(t)}clone(t,e=false){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,n){return n._insertChild(t,e)}removeChildren(t,e,n){return n._removeChildren(t,e)}remove(t){const e=t.parent;if(e){return this.removeChildren(e.getChildIndex(t),1,e)}return[]}replace(t,e){const n=t.parent;if(n){const i=n.getChildIndex(t);this.removeChildren(i,1,n);this.insertChild(i,e,n);return true}return false}unwrapElement(t){const e=t.parent;if(e){const n=e.getChildIndex(t);this.remove(t);this.insertChild(n,t.getChildren(),e)}}rename(t,e){const n=new Lc(t,e.getAttributes(),e.getChildren());return this.replace(e,n)?n:null}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){if(R(t)&&n===undefined){n=e}n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}createPositionAt(t,e){return ul._createAt(t,e)}createPositionAfter(t){return ul._createAfter(t)}createPositionBefore(t){return ul._createBefore(t)}createRange(t,e){return new hl(t,e)}createRangeOn(t){return hl._createOn(t)}createRangeIn(t){return hl._createIn(t)}createSelection(t,e,n){return new gl(t,e,n)}}class Dx extends Lw{refresh(){this.isEnabled=Ek(this.editor.model)}execute(t){const e=this.editor;const n=e.model;const i=e.plugins.get(sv);n.change(e=>{const o=Array.isArray(t.file)?t.file:[t.file];for(const t of o){Lx(e,n,i,t)}})}}function Lx(t,e,n,i){const o=n.createLoader(i);if(!o){return}Mk(t,e,{uploadId:o.id})}class jx extends Ow{static get requires(){return[sv,tv,Rx]}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;const e=t.model.document;const n=t.model.schema;const i=t.conversion;const o=t.plugins.get(sv);const r=ix(t.config.get("image.upload.types"));n.extend("image",{allowAttributes:["uploadId","uploadStatus"]});t.commands.add("imageUpload",new Dx(t));i.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"});this.listenTo(t.editing.view.document,"clipboardInput",(e,n)=>{if(zx(n.dataTransfer)){return}const i=Array.from(n.dataTransfer.files).filter(t=>{if(!t){return false}return r.test(t.type)});const o=n.targetRanges.map(e=>t.editing.mapper.toModelRange(e));t.model.change(n=>{n.setSelection(o);if(i.length){e.stop();t.model.enqueueChange("default",()=>{t.execute("imageUpload",{file:i})})}})});this.listenTo(t.plugins.get(Rx),"inputTransformation",(e,n)=>{const i=Array.from(t.editing.view.createRangeIn(n.content)).filter(t=>rx(t.item)&&!t.item.getAttribute("uploadProcessed")).map(t=>({promise:ox(t.item),imageElement:t.item}));if(!i.length){return}const r=new Vx;for(const t of i){r.setAttribute("uploadProcessed",true,t.imageElement);const e=o.createLoader(t.promise);if(e){r.setAttribute("src","",t.imageElement);r.setAttribute("uploadId",e.id,t.imageElement)}}});t.editing.view.document.on("dragover",(t,e)=>{e.preventDefault()});e.on("change",()=>{const n=e.differ.getChanges({includeChangesInGraveyard:true});for(const e of n){if(e.type=="insert"&&e.name!="$text"){const n=e.position.nodeAfter;const i=e.position.root.rootName=="$graveyard";for(const e of Bx(t,n)){const t=e.getAttribute("uploadId");if(!t){continue}const n=o.loaders.get(t);if(!n){continue}if(i){n.abort()}else if(n.status=="idle"){this._readAndUpload(n,e)}}}}})}_readAndUpload(t,e){const n=this.editor;const i=n.model;const o=n.locale.t;const r=n.plugins.get(sv);const s=n.plugins.get(tv);i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","reading",e)});return t.read().then(()=>{const o=t.upload();if(Tl.isSafari){const t=n.editing.mapper.toViewElement(e);const i=t.getChild(0);n.editing.view.once("render",()=>{if(!i.parent){return}const t=n.editing.view.domConverter.mapViewToDom(i.parent);if(!t){return}const e=t.style.display;t.style.display="none";t._ckHack=t.offsetHeight;t.style.display=e})}i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","uploading",e)});return o}).then(t=>{i.enqueueChange("transparent",n=>{n.setAttributes({uploadStatus:"complete",src:t.default},e);this._parseAndSetSrcsetAttributeOnImage(t,e,n)});a()}).catch(n=>{if(t.status!=="error"&&t.status!=="aborted"){throw n}if(t.status=="error"&&n){s.showWarning(n,{title:o("ay"),namespace:"upload"})}a();i.enqueueChange("transparent",t=>{t.remove(e)})});function a(){i.enqueueChange("transparent",t=>{t.removeAttribute("uploadId",e);t.removeAttribute("uploadStatus",e)});r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let i=0;const o=Object.keys(t).filter(t=>{const e=parseInt(t,10);if(!isNaN(e)){i=Math.max(i,e);return true}}).map(e=>`${t[e]} ${e}w`).join(", ");if(o!=""){n.setAttribute("srcset",{data:o,width:i},e)}}}function zx(t){return Array.from(t.types).includes("text/html")&&t.getData("text/html")!==""}function Bx(t,e){return Array.from(t.model.createRangeOn(e)).filter(t=>t.item.is("image")).map(t=>t.item)}class Fx extends Ow{static get pluginName(){return"ImageUpload"}static get requires(){return[jx,cx,fx]}}class Hx extends Lw{constructor(t){super(t);this._childCommands=[]}refresh(){}execute(...t){const e=this._getFirstEnabledCommand();e.execute(t)}registerChildCommand(t){this._childCommands.push(t);t.on("change:isEnabled",()=>this._checkEnabled());this._checkEnabled()}_checkEnabled(){this.isEnabled=!!this._getFirstEnabledCommand()}_getFirstEnabledCommand(){return this._childCommands.find(t=>t.isEnabled)}}class Ux extends Ow{static get pluginName(){return"IndentEditing"}init(){const t=this.editor;t.commands.add("indent",new Hx(t));t.commands.add("outdent",new Hx(t))}}var Wx='';var qx='';class $x extends Ow{static get pluginName(){return"IndentUI"}init(){const t=this.editor;const e=t.locale;const n=t.t;const i=e.uiLanguageDirection=="ltr"?Wx:qx;const o=e.uiLanguageDirection=="ltr"?qx:Wx;this._defineButton("indent",n("h"),i);this._defineButton("outdent",n("i"),o)}_defineButton(t,e,n){const i=this.editor;i.ui.componentFactory.add(t,o=>{const r=i.commands.get(t);const s=new Xb(o);s.set({label:e,icon:n,tooltip:true});s.bind("isOn","isEnabled").to(r,"value","isEnabled");this.listenTo(s,"execute",()=>{i.execute(t);i.editing.view.focus()});return s})}}class Gx extends Ow{static get pluginName(){return"Indent"}static get requires(){return[Ux,$x]}}const Yx="italic";class Qx extends Ow{static get pluginName(){return"ItalicEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Yx});t.model.schema.setAttributeProperties(Yx,{isFormatting:true,copyOnEnter:true});t.conversion.attributeToElement({model:Yx,view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]});t.commands.add(Yx,new Qw(t,Yx));t.keystrokes.set("CTRL+I",Yx)}}var Kx='';const Jx="italic";class Zx extends Ow{init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add(Jx,n=>{const i=t.commands.get(Jx);const o=new Xb(n);o.set({label:e("ap"),icon:Kx,keystroke:"CTRL+I",tooltip:true,isToggleable:true});o.bind("isOn","isEnabled").to(i,"value","isEnabled");this.listenTo(o,"execute",()=>{t.execute(Jx);t.editing.view.focus()});return o})}}class Xx extends Ow{static get requires(){return[Qx,Zx]}static get pluginName(){return"Italic"}}class tC extends Ku{constructor(t){super(t);this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}var eC=n(76);class nC extends pb{constructor(t,e=[]){super(t);const n=t.t;this.focusTracker=new Cp;this.keystrokes=new up;this.urlInputView=this._createUrlInput();this.saveButtonView=this._createButton(n("cw"),Yv,"ck-button-save");this.saveButtonView.type="submit";this.cancelButtonView=this._createButton(n("cx"),Qv,"ck-button-cancel","cancel");this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e);this.children=this._createFormChildren(e);this._focusables=new Bp;this._focusCycler=new Ob({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const i=["ck","ck-link-form"];if(e.length){i.push("ck-link-form_layout-vertical")}this.setTemplate({tag:"form",attributes:{class:i,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce((t,e)=>{t[e.name]=e.isOn;return t},{})}render(){super.render();Gv({view:this});const t=[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView];t.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;const e=new Wv(this.locale,$v);e.label=t("em");e.inputView.placeholder="https://example.com";return e}_createButton(t,e,n,i){const o=new Xb(this.locale);o.set({label:t,icon:e,tooltip:true});o.extendTemplate({attributes:{class:n}});if(i){o.delegate("execute").to(this,i)}return o}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const n of t){const t=new aw(this.locale);t.set({name:n.id,label:n.label,withText:true});t.bind("isOn").to(n,"value");t.on("execute",()=>{n.set("value",!t.isOn)});e.add(t)}return e}_createFormChildren(t){const e=this.createCollection();e.add(this.urlInputView);if(t.length){const t=new pb;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)}e.add(this.saveButtonView);e.add(this.cancelButtonView);return e}}var iC='';var oC='';var rC=n(78);class sC extends pb{constructor(t){super(t);const e=t.t;this.focusTracker=new Cp;this.keystrokes=new up;this.previewButtonView=this._createPreviewButton();this.unlinkButtonView=this._createButton(e("ei"),iC,"unlink");this.editButtonView=this._createButton(e("ej"),oC,"edit");this.set("href");this._focusables=new Bp;this._focusCycler=new Ob({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render();const t=[this.previewButtonView,this.editButtonView,this.unlinkButtonView];t.forEach(t=>{this._focusables.add(t);this.focusTracker.add(t.element)});this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(t,e,n){const i=new Xb(this.locale);i.set({label:t,icon:e,tooltip:true});i.delegate("execute").to(this,n);return i}_createPreviewButton(){const t=new Xb(this.locale);const e=this.bindTemplate;const n=this.t;t.set({withText:true,tooltip:n("ek")});t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",t=>t&&R_(t)),target:"_blank",rel:"noopener noreferrer"}});t.bind("label").to(this,"href",t=>t||n("el"));t.bind("isEnabled").to(this,"href",t=>!!t);t.template.tag="a";t.template.eventListeners={};return t}}var aC='';const cC="Ctrl+K";class lC extends Ow{static get requires(){return[dy]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(tC);this.actionsView=this._createActionsView();this.formView=this._createFormView();this._balloon=t.plugins.get(dy);this._createToolbarLinkButton();this._enableUserBalloonInteractions()}destroy(){super.destroy();this.formView.destroy()}_createActionsView(){const t=this.editor;const e=new sC(t.locale);const n=t.commands.get("link");const i=t.commands.get("unlink");e.bind("href").to(n,"value");e.editButtonView.bind("isEnabled").to(n);e.unlinkButtonView.bind("isEnabled").to(i);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(cC,(t,e)=>{this._addFormView();e()});return e}_createFormView(){const t=this.editor;const e=t.commands.get("link");const n=new nC(t.locale,e.manualDecorators);n.urlInputView.bind("value").to(e,"value");n.urlInputView.bind("isReadOnly").to(e,"isEnabled",t=>!t);n.saveButtonView.bind("isEnabled").to(e);this.listenTo(n,"submit",()=>{t.execute("link",n.urlInputView.inputView.element.value,n.getDecoratorSwitchesState());this._closeFormView()});this.listenTo(n,"cancel",()=>{this._closeFormView()});n.keystrokes.set("Esc",(t,e)=>{this._closeFormView();e()});return n}_createToolbarLinkButton(){const t=this.editor;const e=t.commands.get("link");const n=t.t;t.keystrokes.set(cC,(t,e)=>{e();this._showUI(true)});t.ui.componentFactory.add("link",t=>{const i=new Xb(t);i.isEnabled=true;i.label=n("j");i.icon=aC;i.keystroke=cC;i.tooltip=true;i.isToggleable=true;i.bind("isEnabled").to(e,"isEnabled");i.bind("isOn").to(e,"value",t=>!!t);this.listenTo(i,"execute",()=>this._showUI(true));return i})}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,"click",()=>{const t=this._getSelectedLinkElement();if(t){this._showUI()}});this.editor.keystrokes.set("Tab",(t,e)=>{if(this._areActionsVisible&&!this.actionsView.focusTracker.isFocused){this.actionsView.focus();e()}},{priority:"high"});this.editor.keystrokes.set("Esc",(t,e)=>{if(this._isUIVisible){this._hideUI();e()}});cw({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){if(this._areActionsInPanel){return}this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel){return}const t=this.editor;const e=t.commands.get("link");this._balloon.add({view:this.formView,position:this._getBalloonPositionData()});if(this._balloon.visibleView===this.formView){this.formView.urlInputView.select()}this.formView.urlInputView.inputView.element.value=e.value||""}_closeFormView(){const t=this.editor.commands.get("link");t.restoreManualDecoratorStates();if(t.value!==undefined){this._removeFormView()}else{this._hideUI()}}_removeFormView(){if(this._isFormInPanel){this.formView.saveButtonView.focus();this._balloon.remove(this.formView);this.editor.editing.view.focus()}}_showUI(t=false){if(!this._getSelectedLinkElement()){this._addActionsView();if(t){this._balloon.showStack("main")}this._addFormView()}else{if(this._areActionsVisible){this._addFormView()}else{this._addActionsView()}if(t){this._balloon.showStack("main")}}this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel){return}const t=this.editor;this.stopListening(t.ui,"update");this.stopListening(this._balloon,"change:visibleView");t.editing.view.focus();this._removeFormView();this._balloon.remove(this.actionsView)}_startUpdatingUI(){const t=this.editor;const e=t.editing.view.document;let n=this._getSelectedLinkElement();let i=r();const o=()=>{const t=this._getSelectedLinkElement();const e=r();if(n&&!t||!n&&e!==i){this._hideUI()}else if(this._isUIVisible){this._balloon.updatePosition(this._getBalloonPositionData())}n=t;i=e};function r(){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(){const t=this._balloon.visibleView;return t==this.formView||this._areActionsVisible}_getBalloonPositionData(){const t=this.editor.editing.view;const e=t.document;const n=this._getSelectedLinkElement();const i=n?t.domConverter.mapViewToDom(n):t.domConverter.viewRangeToDom(e.selection.getFirstRange());return{target:i}}_getSelectedLinkElement(){const t=this.editor.editing.view;const e=t.document.selection;if(e.isCollapsed){return dC(e.getFirstPosition())}else{const n=e.getFirstRange().getTrimmed();const i=dC(n.start);const o=dC(n.end);if(!i||i!=o){return null}if(t.createRangeIn(i).getTrimmed().isEqual(n)){return i}else{return null}}}}function dC(t){return t.getAncestors().find(t=>N_(t))}class uC extends Ow{static get requires(){return[Z_,lC]}static get pluginName(){return"Link"}}class hC extends Lw{constructor(t,e){super(t);this.type=e}refresh(){this.value=this._getValue();this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model;const e=t.document;const n=Array.from(e.selection.getSelectedBlocks()).filter(e=>mC(e,t.schema));const i=this.value===true;t.change(t=>{if(i){let e=n[n.length-1].nextSibling;let i=Number.POSITIVE_INFINITY;let o=[];while(e&&e.name=="listItem"&&e.getAttribute("listIndent")!==0){const t=e.getAttribute("listIndent");if(t=n){if(r>o.getAttribute("listIndent")){r=o.getAttribute("listIndent")}if(o.getAttribute("listIndent")==r){t[e?"unshift":"push"](o)}o=o[e?"previousSibling":"nextSibling"]}}}function mC(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class gC extends Lw{constructor(t,e){super(t);this._indentBy=e=="forward"?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model;const e=t.document;let n=Array.from(e.selection.getSelectedBlocks());t.change(t=>{const e=n[n.length-1];let i=e.nextSibling;while(i&&i.name=="listItem"&&i.getAttribute("listIndent")>e.getAttribute("listIndent")){n.push(i);i=i.nextSibling}if(this._indentBy<0){n=n.reverse()}for(const e of n){const n=e.getAttribute("listIndent")+this._indentBy;if(n<0){t.rename(e,"paragraph")}else{t.setAttribute("listIndent",n,e)}}})}_checkEnabled(){const t=zw(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("listItem")){return false}if(this._indentBy>0){const e=t.getAttribute("listIndent");const n=t.getAttribute("listType");let i=t.previousSibling;while(i&&i.is("listItem")&&i.getAttribute("listIndent")>=e){if(i.getAttribute("listIndent")==e){return i.getAttribute("listType")==n}i=i.previousSibling}return false}return true}}function pC(t){const e=t.createContainerElement("li");e.getFillerOffset=xC;return e}function bC(t,e){const n=e.mapper;const i=e.writer;const o=t.getAttribute("listType")=="numbered"?"ol":"ul";const r=pC(i);const s=i.createContainerElement(o,null);i.insert(i.createPositionAt(s,0),r);n.bindElements(t,r);return r}function wC(t,e,n,i){const o=e.parent;const r=n.mapper;const s=n.writer;let a=r.toViewPosition(i.createPositionBefore(t));const c=vC(t.previousSibling,{sameIndent:true,smallerIndent:true,listIndent:t.getAttribute("listIndent")});const l=t.previousSibling;if(c&&c.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(c);a=s.breakContainer(s.createPositionAfter(t))}else{if(l&&l.name=="listItem"){a=r.toViewPosition(i.createPositionAt(l,"end"))}else{a=r.toViewPosition(i.createPositionBefore(t))}}a=_C(a);s.insert(a,o);if(l&&l.name=="listItem"){const t=r.toViewElement(l);const n=s.createRange(s.createPositionAt(t,0),a);const i=n.getWalker({ignoreElementEnd:true});for(const t of i){if(t.item.is("li")){const n=s.breakContainer(s.createPositionBefore(t.item));const o=t.item.parent;const r=s.createPositionAt(e,"end");kC(s,r.nodeBefore,r.nodeAfter);s.move(s.createRangeOn(o),r);i.position=n}}}else{const n=o.nextSibling;if(n&&(n.is("ul")||n.is("ol"))){let i=null;for(const e of n.getChildren()){const n=r.toModelElement(e);if(n&&n.getAttribute("listIndent")>t.getAttribute("listIndent")){i=e}else{break}}if(i){s.breakContainer(s.createPositionAfter(i));s.move(s.createRangeOn(i.parent),s.createPositionAt(e,"end"))}}}kC(s,o,o.nextSibling);kC(s,o.previousSibling,o)}function kC(t,e,n){if(!e||!n||e.name!="ul"&&e.name!="ol"){return null}if(e.name!=n.name||e.getAttribute("class")!==n.getAttribute("class")){return null}return t.mergeContainers(t.createPositionAfter(e))}function _C(t){return t.getLastMatchingPosition(t=>t.item.is("uiElement"))}function vC(t,e){const n=!!e.sameIndent;const i=!!e.smallerIndent;const o=e.listIndent;let r=t;while(r&&r.name=="listItem"){const t=r.getAttribute("listIndent");if(n&&o==t||i&&o>t){return r}r=r.previousSibling}return null}function yC(t,e,n,i){t.ui.componentFactory.add(e,o=>{const r=t.commands.get(e);const s=new Xb(o);s.set({label:n,icon:i,tooltip:true,isToggleable:true});s.bind("isOn","isEnabled").to(r,"value","isEnabled");s.on("execute",()=>{t.execute(e);t.editing.view.focus()});return s})}function xC(){const t=!this.isEmpty&&(this.getChild(0).name=="ul"||this.getChild(0).name=="ol");if(this.isEmpty||t){return 0}return Hc.call(this)}function CC(t){return(e,n,i)=>{const o=i.consumable;if(!o.test(n.item,"insert")||!o.test(n.item,"attribute:listType")||!o.test(n.item,"attribute:listIndent")){return}o.consume(n.item,"insert");o.consume(n.item,"attribute:listType");o.consume(n.item,"attribute:listIndent");const r=n.item;const s=bC(r,i);wC(r,s,i,t)}}function AC(t){return(e,n,i)=>{const o=i.mapper.toViewPosition(n.position).getLastMatchingPosition(t=>!t.item.is("li"));const r=o.nodeAfter;const s=i.writer;s.breakContainer(s.createPositionBefore(r));s.breakContainer(s.createPositionAfter(r));const a=r.parent;const c=a.previousSibling;const l=s.createRangeOn(a);const d=s.remove(l);if(c&&c.nextSibling){kC(s,c,c.nextSibling)}const u=i.mapper.toModelElement(r);BC(u.getAttribute("listIndent")+1,n.position,l.start,r,i,t);for(const t of s.createRangeIn(d).getItems()){i.mapper.unbindViewElement(t)}e.stop()}}function TC(t,e,n){if(!n.consumable.consume(e.item,"attribute:listType")){return}const i=n.mapper.toViewElement(e.item);const o=n.writer;o.breakContainer(o.createPositionBefore(i));o.breakContainer(o.createPositionAfter(i));const r=i.parent;const s=e.attributeNewValue=="numbered"?"ol":"ul";o.rename(s,r)}function PC(t,e,n){const i=n.mapper.toViewElement(e.item);const o=i.parent;const r=n.writer;kC(r,o,o.nextSibling);kC(r,o.previousSibling,o);for(const t of e.item.getChildren()){n.consumable.consume(t,"insert")}}function SC(t){return(e,n,i)=>{if(!i.consumable.consume(n.item,"attribute:listIndent")){return}const o=i.mapper.toViewElement(n.item);const r=i.writer;r.breakContainer(r.createPositionBefore(o));r.breakContainer(r.createPositionAfter(o));const s=o.parent;const a=s.previousSibling;const c=r.createRangeOn(s);r.remove(c);if(a&&a.nextSibling){kC(r,a,a.nextSibling)}BC(n.attributeOldValue+1,n.range.start,c.start,o,i,t);wC(n.item,o,i,t);for(const t of n.item.getChildren()){i.consumable.consume(t,"insert")}}}function MC(t,e,n){if(e.item.name!="listItem"){let t=n.mapper.toViewPosition(e.range.start);const i=n.writer;const o=[];while(t.parent.name=="ul"||t.parent.name=="ol"){t=i.breakContainer(t);if(t.parent.name!="li"){break}const e=t;const n=i.createPositionAt(t.parent,"end");if(!e.isEqual(n)){const t=i.remove(i.createRange(e,n));o.push(t)}t=i.createPositionAfter(t.parent)}if(o.length>0){for(let e=0;e0){const e=kC(i,n,n.nextSibling);if(e&&e.parent==n){t.offset--}}}kC(i,t.nodeBefore,t.nodeAfter)}}}function EC(t,e,n){const i=n.mapper.toViewPosition(e.position);const o=i.nodeBefore;const r=i.nodeAfter;kC(n.writer,o,r)}function IC(t,e,n){if(n.consumable.consume(e.viewItem,{name:true})){const t=n.writer;const i=t.createElement("listItem");const o=HC(e.viewItem);t.setAttribute("listIndent",o,i);const r=e.viewItem.parent&&e.viewItem.parent.name=="ol"?"numbered":"bulleted";t.setAttribute("listType",r,i);const s=n.splitToAllowedParent(i,e.modelCursor);if(!s){return}t.insert(i,s.position);const a=jC(i,e.viewItem.getChildren(),n);e.modelRange=t.createRange(e.modelCursor,a);if(s.cursorParent){e.modelCursor=t.createPositionAt(s.cursorParent,0)}else{e.modelCursor=e.modelRange.end}}}function NC(t,e,n){if(n.consumable.test(e.viewItem,{name:true})){const t=Array.from(e.viewItem.getChildren());for(const e of t){const t=!(e.is("li")||FC(e));if(t){e._remove()}}}}function OC(t,e,n){if(n.consumable.test(e.viewItem,{name:true})){if(e.viewItem.childCount===0){return}const t=[...e.viewItem.getChildren()];let n=false;let i=true;for(const e of t){if(n&&!FC(e)){e._remove()}if(e.is("text")){if(i){e._data=e.data.replace(/^\s+/,"")}if(!e.nextSibling||FC(e.nextSibling)){e._data=e.data.replace(/\s+$/,"")}}else if(FC(e)){n=true}i=false}}}function RC(t){return(e,n)=>{if(n.isPhantom){return}const i=n.modelPosition.nodeBefore;if(i&&i.is("listItem")){const e=n.mapper.toViewElement(i);const o=e.getAncestors().find(FC);const r=t.createPositionAt(e,0).getWalker();for(const t of r){if(t.type=="elementStart"&&t.item.is("li")){n.viewPosition=t.previousPosition;break}else if(t.type=="elementEnd"&&t.item==o){n.viewPosition=t.nextPosition;break}}}}}function VC(t){return(e,n)=>{const i=n.viewPosition;const o=i.parent;const r=n.mapper;if(o.name=="ul"||o.name=="ol"){if(!i.isAtEnd){const e=r.toModelElement(i.nodeAfter);n.modelPosition=t.createPositionBefore(e)}else{const e=r.toModelElement(i.nodeBefore);const o=r.getModelLength(i.nodeBefore);n.modelPosition=t.createPositionBefore(e).getShiftedBy(o)}e.stop()}else if(o.name=="li"&&i.nodeBefore&&(i.nodeBefore.name=="ul"||i.nodeBefore.name=="ol")){const s=r.toModelElement(o);let a=1;let c=i.nodeBefore;while(c&&FC(c)){a+=r.getModelLength(c);c=c.previousSibling}n.modelPosition=t.createPositionBefore(s).getShiftedBy(a);e.stop()}}}function DC(t,e){const n=t.document.differ.getChanges();const i=new Map;let o=false;for(const i of n){if(i.type=="insert"&&i.name=="listItem"){r(i.position)}else if(i.type=="insert"&&i.name!="listItem"){if(i.name!="$text"){const n=i.position.nodeAfter;if(n.hasAttribute("listIndent")){e.removeAttribute("listIndent",n);o=true}if(n.hasAttribute("listType")){e.removeAttribute("listType",n);o=true}for(const e of Array.from(t.createRangeIn(n)).filter(t=>t.item.is("listItem"))){r(e.previousPosition)}}const n=i.position.getShiftedBy(i.length);r(n)}else if(i.type=="remove"&&i.name=="listItem"){r(i.position)}else if(i.type=="attribute"&&i.attributeKey=="listIndent"){r(i.range.start)}else if(i.type=="attribute"&&i.attributeKey=="listType"){r(i.range.start)}}for(const t of i.values()){s(t);a(t)}return o;function r(t){const e=t.nodeBefore;if(!e||!e.is("listItem")){const e=t.nodeAfter;if(e&&e.is("listItem")){i.set(e,e)}}else{let n=e;if(i.has(n)){return}while(n.previousSibling&&n.previousSibling.is("listItem")){n=n.previousSibling;if(i.has(n)){return}}i.set(t.nodeBefore,n)}}function s(t){let n=0;let i=null;while(t&&t.is("listItem")){const r=t.getAttribute("listIndent");if(r>n){let s;if(i===null){i=r-n;s=n}else{if(i>r){i=r}s=r-i}e.setAttribute("listIndent",s,t);o=true}else{i=null;n=t.getAttribute("listIndent")+1}t=t.nextSibling}}function a(t){let n=[];let i=null;while(t&&t.is("listItem")){const r=t.getAttribute("listIndent");if(i&&i.getAttribute("listIndent")>r){n=n.slice(0,r+1)}if(r!=0){if(n[r]){const i=n[r];if(t.getAttribute("listType")!=i){e.setAttribute("listType",i,t);o=true}}else{n[r]=t.getAttribute("listType")}}i=t;t=t.nextSibling}}}function LC(t,[e,n]){let i=e.is("documentFragment")?e.getChild(0):e;let o;if(!n){o=this.document.selection}else{o=this.createSelection(n)}if(i&&i.is("listItem")){const t=o.getFirstPosition();let e=null;if(t.parent.is("listItem")){e=t.parent}else if(t.nodeBefore&&t.nodeBefore.is("listItem")){e=t.nodeBefore}if(e){const t=e.getAttribute("listIndent");if(t>0){while(i&&i.is("listItem")){i._setAttribute("listIndent",i.getAttribute("listIndent")+t);i=i.nextSibling}}}}}function 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hC(t,"numbered"));t.commands.add("bulletedList",new hC(t,"bulleted"));t.commands.add("indentList",new gC(t,"forward"));t.commands.add("outdentList",new gC(t,"backward"));const i=n.view.document;this.listenTo(i,"enter",(t,e)=>{const n=this.editor.model.document;const i=n.selection.getLastPosition().parent;if(n.selection.isCollapsed&&i.name=="listItem"&&i.isEmpty){this.editor.execute("outdentList");e.preventDefault();t.stop()}});this.listenTo(i,"delete",(t,e)=>{if(e.direction!=="backward"){return}const n=this.editor.model.document.selection;if(!n.isCollapsed){return}const i=n.getFirstPosition();if(!i.isAtStart){return}const o=i.parent;if(o.name!=="listItem"){return}const r=o.previousSibling&&o.previousSibling.name==="listItem";if(r){return}this.editor.execute("outdentList");e.preventDefault();t.stop()},{priority:"high"});const o=t=>(e,n)=>{const i=this.editor.commands.get(t);if(i.isEnabled){this.editor.execute(t);n()}};t.keystrokes.set("Tab",o("indentList"));t.keystrokes.set("Shift+Tab",o("outdentList"))}afterInit(){const t=this.editor.commands;const e=t.get("indent");const n=t.get("outdent");if(e){e.registerChildCommand(t.get("indentList"))}if(n){n.registerChildCommand(t.get("outdentList"))}}}function WC(t){let e=1;for(const n of t.getChildren()){if(n.name=="ul"||n.name=="ol"){for(const t of n.getChildren()){e+=WC(t)}}}return e}var qC='';var $C='';class GC extends Ow{init(){const t=this.editor.t;yC(this.editor,"numberedList",t("k"),qC);yC(this.editor,"bulletedList",t("l"),$C)}}class YC extends Ow{static get requires(){return[UC,GC]}static get pluginName(){return"List"}}function QC(t,e){return t=>{t.on("attribute:url:media",n)};function n(n,i,o){if(!o.consumable.consume(i.item,n.name)){return}const r=i.attributeNewValue;const s=o.writer;const a=o.mapper.toViewElement(i.item);s.remove(s.createRangeIn(a));const 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o=e.targetPosition.root.rootName=="$graveyard";const r=i&&!o;const s=o&&!i;const a=s||!r&&n.aIsStrong;if(a){const n=e.targetPosition._getTransformedByMergeOperation(e);const i=t.targetPosition._getTransformedByMergeOperation(e);return[new tg(n,t.howMany,i,0)]}else{return[new Mg(0)]}}if(t.sourcePosition.hasSameParentAs(e.targetPosition)){t.howMany+=e.howMany}t.sourcePosition=t.sourcePosition._getTransformedByMergeOperation(e);t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e);if(!t.graveyardPosition.isEqual(e.graveyardPosition)||!n.aIsStrong){t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)}return[t]});uA(rg,tg,(t,e,n)=>{const i=Gh._createFromPositionAndShift(e.sourcePosition,e.howMany);if(e.type=="remove"&&!n.bWasUndone&&!n.forceWeakRemove){if(t.deletionPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.sourcePosition)){return[new Mg(0)]}}if(t.sourcePosition.hasSameParentAs(e.targetPosition)){t.howMany+=e.howMany}if(t.sourcePosition.hasSameParentAs(e.sourcePosition)){t.howMany-=e.howMany}t.sourcePosition=t.sourcePosition._getTransformedByMoveOperation(e);t.targetPosition=t.targetPosition._getTransformedByMoveOperation(e);if(!t.graveyardPosition.isEqual(e.targetPosition)){t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}return[t]});uA(rg,sg,(t,e,n)=>{if(e.graveyardPosition){t.graveyardPosition=t.graveyardPosition._getTransformedByDeletion(e.graveyardPosition,1);if(t.deletionPosition.isEqual(e.graveyardPosition)){t.howMany=e.howMany}}if(t.targetPosition.isEqual(e.splitPosition)){const i=e.howMany!=0;const o=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(i||o||n.abRelation=="mergeTargetNotMoved"){t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e);return[t]}}if(t.sourcePosition.isEqual(e.splitPosition)){if(n.abRelation=="mergeSourceNotMoved"){t.howMany=0;t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e);return[t]}if(n.abRelation=="mergeSameElement"||t.sourcePosition.offset>0){t.sourcePosition=e.moveTargetPosition.clone();t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e);return[t]}}if(t.sourcePosition.hasSameParentAs(e.splitPosition)){t.howMany=e.splitPosition.offset}t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e);t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e);return[t]});uA(tg,eg,(t,e)=>{const n=Gh._createFromPositionAndShift(t.sourcePosition,t.howMany);const i=n._getTransformedByInsertOperation(e,false)[0];t.sourcePosition=i.start;t.howMany=i.end.offset-i.start.offset;if(!t.targetPosition.isEqual(e.position)){t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)}return[t]});uA(tg,tg,(t,e,n)=>{const i=Gh._createFromPositionAndShift(t.sourcePosition,t.howMany);const o=Gh._createFromPositionAndShift(e.sourcePosition,e.howMany);let r=n.aIsStrong;let s=!n.aIsStrong;if(n.abRelation=="insertBefore"||n.baRelation=="insertAfter"){s=true}else if(n.abRelation=="insertAfter"||n.baRelation=="insertBefore"){s=false}let a;if(t.targetPosition.isEqual(e.targetPosition)&&s){a=t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}else{a=t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany)}if(vA(t,e)&&vA(e,t)){return[e.getReversed()]}const c=i.containsPosition(e.targetPosition);if(c&&i.containsRange(o,true)){i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany);i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany);return yA([i],a)}const l=o.containsPosition(t.targetPosition);if(l&&o.containsRange(i,true)){i.start=i.start._getCombined(e.sourcePosition,e.getMovedRangeStart());i.end=i.end._getCombined(e.sourcePosition,e.getMovedRangeStart());return yA([i],a)}const d=Os(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if(d=="prefix"||d=="extension"){i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany);i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany);return yA([i],a)}if(t.type=="remove"&&e.type!="remove"&&!n.aWasUndone&&!n.forceWeakRemove){r=true}else if(t.type!="remove"&&e.type=="remove"&&!n.bWasUndone&&!n.forceWeakRemove){r=false}const u=[];const h=i.getDifference(o);for(const t of h){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany);t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const n=Os(t.start.getParentPath(),e.getMovedRangeStart().getParentPath())=="same";const i=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,n);u.push(...i)}const f=i.getIntersection(o);if(f!==null&&r){f.start=f.start._getCombined(e.sourcePosition,e.getMovedRangeStart());f.end=f.end._getCombined(e.sourcePosition,e.getMovedRangeStart());if(u.length===0){u.push(f)}else if(u.length==1){if(o.start.isBefore(i.start)||o.start.isEqual(i.start)){u.unshift(f)}else{u.push(f)}}else{u.splice(1,0,f)}}if(u.length===0){return[new Mg(t.baseVersion)]}return yA(u,a)});uA(tg,sg,(t,e,n)=>{let i=t.targetPosition.clone();if(!t.targetPosition.isEqual(e.insertionPosition)||!e.graveyardPosition||n.abRelation=="moveTargetAfter"){i=t.targetPosition._getTransformedBySplitOperation(e)}const o=Gh._createFromPositionAndShift(t.sourcePosition,t.howMany);if(o.end.isEqual(e.insertionPosition)){if(!e.graveyardPosition){t.howMany++}t.targetPosition=i;return[t]}if(o.start.hasSameParentAs(e.splitPosition)&&o.containsPosition(e.splitPosition)){let t=new Gh(e.splitPosition,o.end);t=t._getTransformedBySplitOperation(e);const n=[new Gh(o.start,e.splitPosition),t];return yA(n,i)}if(t.targetPosition.isEqual(e.splitPosition)&&n.abRelation=="insertAtSource"){i=e.moveTargetPosition}if(t.targetPosition.isEqual(e.insertionPosition)&&n.abRelation=="insertBetween"){i=t.targetPosition}const r=o._getTransformedBySplitOperation(e);const s=[r];if(e.graveyardPosition){const i=o.start.isEqual(e.graveyardPosition)||o.containsPosition(e.graveyardPosition);if(t.howMany>1&&i&&!n.aWasUndone){s.push(Gh._createFromPositionAndShift(e.insertionPosition,1))}}return yA(s,i)});uA(tg,rg,(t,e,n)=>{const i=Gh._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&i.containsPosition(e.sourcePosition)){if(t.type=="remove"&&!n.forceWeakRemove){if(!n.aWasUndone){const n=[];let i=e.graveyardPosition.clone();let o=e.targetPosition._getTransformedByMergeOperation(e);if(t.howMany>1){n.push(new tg(t.sourcePosition,t.howMany-1,t.targetPosition,0));i=i._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1);o=o._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1)}const r=e.deletionPosition._getCombined(t.sourcePosition,t.targetPosition);const s=new tg(i,1,r,0);const a=s.getMovedRangeStart().path.slice();a.push(0);const c=new $h(s.targetPosition.root,a);o=o._getTransformedByMove(i,r,1);const l=new tg(o,e.howMany,c,0);n.push(s);n.push(l);return n}}else{if(t.howMany==1){if(!n.bWasUndone){return[new Mg(0)]}else{t.sourcePosition=e.graveyardPosition.clone();t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e);return[t]}}}}const o=Gh._createFromPositionAndShift(t.sourcePosition,t.howMany);const r=o._getTransformedByMergeOperation(e);t.sourcePosition=r.start;t.howMany=r.end.offset-r.start.offset;t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e);return[t]});uA(ig,eg,(t,e)=>{t.position=t.position._getTransformedByInsertOperation(e);return[t]});uA(ig,rg,(t,e)=>{if(t.position.isEqual(e.deletionPosition)){t.position=e.graveyardPosition.clone();t.position.stickiness="toNext";return[t]}t.position=t.position._getTransformedByMergeOperation(e);return[t]});uA(ig,tg,(t,e)=>{t.position=t.position._getTransformedByMoveOperation(e);return[t]});uA(ig,ig,(t,e,n)=>{if(t.position.isEqual(e.position)){if(n.aIsStrong){t.oldName=e.newName}else{return[new Mg(0)]}}return[t]});uA(ig,sg,(t,e)=>{const n=t.position.path;const i=e.splitPosition.getParentPath();if(Os(n,i)=="same"&&!e.graveyardPosition){const e=new ig(t.position.getShiftedBy(1),t.oldName,t.newName,0);return[t,e]}t.position=t.position._getTransformedBySplitOperation(e);return[t]});uA(og,og,(t,e,n)=>{if(t.root===e.root&&t.key===e.key){if(!n.aIsStrong||t.newValue===e.newValue){return[new Mg(0)]}else{t.oldValue=e.newValue}}return[t]});uA(sg,eg,(t,e)=>{if(t.splitPosition.hasSameParentAs(e.position)&&t.splitPosition.offset{if(!t.graveyardPosition&&!n.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const n=e.graveyardPosition.path.slice();n.push(0);const i=new $h(e.graveyardPosition.root,n);const o=sg.getInsertionPosition(new $h(e.graveyardPosition.root,n));const r=new sg(i,0,null,0);r.insertionPosition=o;t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e);t.insertionPosition=sg.getInsertionPosition(t.splitPosition);t.graveyardPosition=r.insertionPosition.clone();t.graveyardPosition.stickiness="toNext";return[r,t]}if(t.splitPosition.hasSameParentAs(e.deletionPosition)&&!t.splitPosition.isAfter(e.deletionPosition)){t.howMany--}if(t.splitPosition.hasSameParentAs(e.targetPosition)){t.howMany+=e.howMany}t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e);t.insertionPosition=sg.getInsertionPosition(t.splitPosition);if(t.graveyardPosition){t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)}return[t]});uA(sg,tg,(t,e,n)=>{const i=Gh._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){const o=i.start.isEqual(t.graveyardPosition)||i.containsPosition(t.graveyardPosition);if(!n.bWasUndone&&o){const n=t.splitPosition._getTransformedByMoveOperation(e);const i=t.graveyardPosition._getTransformedByMoveOperation(e);const o=i.path.slice();o.push(0);const r=new $h(i.root,o);const s=new tg(n,t.howMany,r,0);return[s]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.splitPosition)){const n=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);t.howMany-=n;if(t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition){return[new Mg(0)]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){return[new Mg(0)]}if(n.abRelation=="splitBefore"){t.howMany=0;t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e);return[t]}}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const i=t.splitPosition.root.rootName=="$graveyard";const o=e.splitPosition.root.rootName=="$graveyard";const r=i&&!o;const s=o&&!i;const a=s||!r&&n.aIsStrong;if(a){const n=[];if(e.howMany){n.push(new tg(e.moveTargetPosition,e.howMany,e.splitPosition,0))}if(t.howMany){n.push(new tg(t.splitPosition,t.howMany,t.moveTargetPosition,0))}return n}else{return[new Mg(0)]}}if(t.graveyardPosition){t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)}if(t.splitPosition.isEqual(e.insertionPosition)&&n.abRelation=="splitBefore"){t.howMany++;return[t]}if(e.splitPosition.isEqual(t.insertionPosition)&&n.baRelation=="splitBefore"){const n=e.insertionPosition.path.slice();n.push(0);const i=new $h(e.insertionPosition.root,n);const o=new tg(t.insertionPosition,1,i,0);return[t,o]}if(t.splitPosition.hasSameParentAs(e.splitPosition)&&t.splitPosition.offset0}addBatch(t){const e=this.editor.model.document.selection;const n={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:n});this.refresh()}clearStack(){this._stack=[];this.refresh()}_restoreSelection(t,e,n){const i=this.editor.model;const o=i.document;const r=[];for(const e of t){const t=CA(e,n);const i=t.find(t=>t.start.root!=o.graveyard);if(i){r.push(i)}}if(r.length){i.change(t=>{t.setSelection(r,{backward:e})})}}_undo(t,e){const n=this.editor.model;const i=n.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;const r=Array.from(i.history.getOperations(o));const s=gA([t.getReversed()],r,{useRelations:true,document:this.editor.model.document,padWithNoOps:false,forceWeakRemove:true});const a=s.operationsA;for(const o of a){e.addOperation(o);n.applyOperation(o);i.history.setOperationAsUndone(t,o)}}}}function CA(t,e){const n=t.getTransformedByOperations(e);n.sort((t,e)=>t.start.isBefore(e.start)?-1:1);for(let t=1;te.batch==t):this._stack.length-1;const n=this._stack.splice(e,1)[0];const i=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(i,()=>{this._undo(n.batch,i);const t=this.editor.model.document.history.getOperations(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,t);this.fire("revert",n.batch,i)});this.refresh()}}class TA extends xA{execute(){const t=this._stack.pop();const e=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(e,()=>{const n=t.batch.operations[t.batch.operations.length-1];const i=n.baseVersion+1;const o=this.editor.model.document.history.getOperations(i);this._restoreSelection(t.selection.ranges,t.selection.isBackward,o);this._undo(t.batch,e)});this.refresh()}}class PA extends Ow{static get pluginName(){return"UndoEditing"}constructor(t){super(t);this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new AA(t);this._redoCommand=new TA(t);t.commands.add("undo",this._undoCommand);t.commands.add("redo",this._redoCommand);this.listenTo(t.model,"applyOperation",(t,e)=>{const n=e[0];if(!n.isDocumentOperation){return}const i=n.batch;const o=this._redoCommand._createdBatches.has(i);const r=this._undoCommand._createdBatches.has(i);const s=this._batchRegistry.has(i);if(s||i.type=="transparent"&&!o&&!r){return}else{if(o){this._undoCommand.addBatch(i)}else if(!r){this._undoCommand.addBatch(i);this._redoCommand.clearStack()}}this._batchRegistry.add(i)},{priority:"highest"});this.listenTo(this._undoCommand,"revert",(t,e,n)=>{this._redoCommand.addBatch(n)});t.keystrokes.set("CTRL+Z","undo");t.keystrokes.set("CTRL+Y","redo");t.keystrokes.set("CTRL+SHIFT+Z","redo")}}var SA='';var MA='';class EA extends Ow{init(){const t=this.editor;const e=t.locale;const n=t.t;const i=e.uiLanguageDirection=="ltr"?SA:MA;const o=e.uiLanguageDirection=="ltr"?MA:SA;this._addButton("undo",n("by"),"CTRL+Z",i);this._addButton("redo",n("bz"),"CTRL+Y",o)}_addButton(t,e,n,i){const o=this.editor;o.ui.componentFactory.add(t,r=>{const s=o.commands.get(t);const a=new Xb(r);a.set({label:e,icon:i,keystroke:n,tooltip:true});a.bind("isEnabled").to(s,"isEnabled");this.listenTo(a,"execute",()=>{o.execute(t);o.editing.view.focus()});return a})}}class IA extends Ow{static get requires(){return[PA,EA]}static get pluginName(){return"Undo"}}const NA=/^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w.-]+)+[\w\-._~:/?#[\]@!$&'()*+,;=]+$/;class OA extends Ow{static get requires(){return[Rx,IA]}static get pluginName(){return"AutoMediaEmbed"}constructor(t){super(t);this._timeoutId=null;this._positionToInsert=null}init(){const t=this.editor;const e=t.model.document;this.listenTo(t.plugins.get(Rx),"inputTransformation",()=>{const t=e.selection.getFirstRange();const n=Ng.fromPosition(t.start);n.stickiness="toPrevious";const i=Ng.fromPosition(t.end);i.stickiness="toNext";e.once("change:data",()=>{this._embedMediaBetweenPositions(n,i);n.detach();i.detach()},{priority:"high"})});t.commands.get("undo").on("execute",()=>{if(this._timeoutId){Od.window.clearTimeout(this._timeoutId);this._positionToInsert.detach();this._timeoutId=null;this._positionToInsert=null}},{priority:"high"})}_embedMediaBetweenPositions(t,e){const n=this.editor;const i=n.plugins.get(lA).registry;const o=new sf(t,e);const r=o.getWalker({ignoreElementEnd:true});let s="";for(const t of r){if(t.item.is("textProxy")){s+=t.item.data}}s=s.trim();if(!s.match(NA)){return}if(!i.hasMedia(s)){return}const a=n.commands.get("mediaEmbed");if(!a.isEnabled){return}this._positionToInsert=Ng.fromPosition(t);this._timeoutId=Od.window.setTimeout(()=>{n.model.change(t=>{this._timeoutId=null;t.remove(o);let e;if(this._positionToInsert.root.rootName!=="$graveyard"){e=this._positionToInsert}eA(n.model,s,e);this._positionToInsert.detach();this._positionToInsert=null})},100)}}var RA=n(82);class VA extends pb{constructor(t,e){super(e);const n=e.t;this.focusTracker=new Cp;this.keystrokes=new up;this.urlInputView=this._createUrlInput();this.saveButtonView=this._createButton(n("cw"),Yv,"ck-button-save");this.saveButtonView.type="submit";this.cancelButtonView=this._createButton(n("cx"),Qv,"ck-button-cancel","cancel");this._focusables=new Bp;this._focusCycler=new Ob({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});this._validators=t;this.setTemplate({tag:"form",attributes:{class:["ck","ck-media-form"],tabindex:"-1"},children:[this.urlInputView,this.saveButtonView,this.cancelButtonView]})}render(){super.render();Gv({view:this});const t=[this.urlInputView,this.saveButtonView,this.cancelButtonView];t.forEach(t=>{this._focusables.add(t);this.focusTracker.add(t.element)});this.keystrokes.listenTo(this.element);const e=t=>t.stopPropagation();this.keystrokes.set("arrowright",e);this.keystrokes.set("arrowleft",e);this.keystrokes.set("arrowup",e);this.keystrokes.set("arrowdown",e);this.listenTo(this.urlInputView.element,"selectstart",(t,e)=>{e.stopPropagation()},{priority:"high"})}focus(){this._focusCycler.focusFirst()}get url(){return this.urlInputView.inputView.element.value.trim()}set url(t){this.urlInputView.inputView.element.value=t.trim()}isValid(){this.resetFormStatus();for(const t of this._validators){const e=t(this);if(e){this.urlInputView.errorText=e;return false}}return true}resetFormStatus(){this.urlInputView.errorText=null;this.urlInputView.infoText=this._urlInputViewInfoDefault}_createUrlInput(){const t=this.locale.t;const e=new Wv(this.locale,$v);const n=e.inputView;this._urlInputViewInfoDefault=t("ed");this._urlInputViewInfoTip=t("ee");e.label=t("ef");e.infoText=this._urlInputViewInfoDefault;n.placeholder="https://example.com";n.on("input",()=>{e.infoText=n.element.value?this._urlInputViewInfoTip:this._urlInputViewInfoDefault});return e}_createButton(t,e,n,i){const o=new Xb(this.locale);o.set({label:t,icon:e,tooltip:true});o.extendTemplate({attributes:{class:n}});if(i){o.delegate("execute").to(this,i)}return o}}var DA='';class LA extends Ow{static get requires(){return[lA]}static get pluginName(){return"MediaEmbedUI"}init(){const t=this.editor;const e=t.commands.get("mediaEmbed");const n=t.plugins.get(lA).registry;this.form=new VA(jA(t.t,n),t.locale);t.ui.componentFactory.add("mediaEmbed",n=>{const i=uw(n);this._setUpDropdown(i,this.form,e,t);this._setUpForm(this.form,i,e);return i})}_setUpDropdown(t,e,n){const i=this.editor;const o=i.t;const 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