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Filename : ckeditor-balloon.bundle.js
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/***/ "./node_modules/@ckeditor/ckeditor5-build-balloon/build/ckeditor.js":
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/***/ ((module, exports) => {

/*!
 * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md.
 */
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0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border);border-radius:var(--ck-border-radius);width:100%;height:100%}.ck .ck-fake-panel div:first-child{margin-left:var(--ck-balloon-fake-panel-offset-horizontal);margin-top:var(--ck-balloon-fake-panel-offset-vertical)}.ck .ck-fake-panel div:nth-child(2){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*2);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*2)}.ck .ck-fake-panel div:nth-child(3){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*3);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*3)}.ck .ck-balloon-panel_arrow_s+.ck-fake-panel,.ck .ck-balloon-panel_arrow_se+.ck-fake-panel,.ck .ck-balloon-panel_arrow_sw+.ck-fake-panel{--ck-balloon-fake-panel-offset-vertical:-6px}"},function(t,e,n){var i=n(1),o=n(29);"string"==typeof(o=o.__esModule?o.default:o)&&(o=[[t.i,o,""]]);var 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Rn){if(t.isAtEnd)return this.position=Zi._createAfter(n),this._next();i=n.data[t.offset]}else i=n.getChild(t.offset);if(i instanceof Oi)return this.shallow?t.offset++:t=new Zi(i,0),this.position=t,this._formatReturnValue("elementStart",i,e,t,1);if(i instanceof Rn){if(this.singleCharacters)return t=new Zi(i,0),this.position=t,this._next();{let n,o=i.data.length;return i==this._boundaryEndParent?(o=this.boundaries.end.offset,n=new Dn(i,0,o),t=Zi._createAfter(n)):(n=new Dn(i,0,i.data.length),t.offset++),this.position=t,this._formatReturnValue("text",n,e,t,o)}}if("string"==typeof i){let i;if(this.singleCharacters)i=1;else{i=(n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length)-t.offset}const o=new Dn(n,t.offset,i);return t.offset+=i,this.position=t,this._formatReturnValue("text",o,e,t,i)}return t=Zi._createAfter(n),this.position=t,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",n,e,t)}_previous(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&0===t.offset)return{done:!0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};let i;if(n instanceof Rn){if(t.isAtStart)return this.position=Zi._createBefore(n),this._previous();i=n.data[t.offset-1]}else i=n.getChild(t.offset-1);if(i instanceof Oi)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue("elementStart",i,e,t,1)):(t=new Zi(i,i.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",i,e,t));if(i instanceof Rn){if(this.singleCharacters)return t=new Zi(i,i.data.length),this.position=t,this._previous();{let n,o=i.data.length;if(i==this._boundaryStartParent){const e=this.boundaries.start.offset;n=new Dn(i,e,i.data.length-e),o=n.data.length,t=Zi._createBefore(n)}else n=new Dn(i,0,i.data.length),t.offset--;return this.position=t,this._formatReturnValue("text",n,e,t,o)}}if("string"==typeof i){let i;if(this.singleCharacters)i=1;else{const e=n===this._boundaryStartParent?this.boundaries.start.offset:0;i=t.offset-e}t.offset-=i;const o=new Dn(n,t.offset,i);return this.position=t,this._formatReturnValue("text",o,e,t,i)}return t=Zi._createBefore(n),this.position=t,this._formatReturnValue("elementStart",n,e,t,1)}_formatReturnValue(t,e,n,i,o){return e instanceof Dn&&(e.offsetInText+e.data.length==e.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?n=Zi._createAfter(e.textNode):(i=Zi._createAfter(e.textNode),this.position=i)),0===e.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?n=Zi._createBefore(e.textNode):(i=Zi._createBefore(e.textNode),this.position=i))),{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:i,length:o}}}}class Zi{constructor(t,e){this.parent=t,this.offset=e}get nodeAfter(){return this.parent.is("$text")?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is("$text")?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const t=this.parent.is("$text")?this.parent.data.length:this.parent.childCount;return this.offset===t}get root(){return this.parent.root}get editableElement(){let t=this.parent;for(;!(t instanceof Gi);){if(!t.parent)return null;t=t.parent}return t}getShiftedBy(t){const e=Zi._createAt(this),n=e.offset+t;return e.offset=n<0?0:n,e}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new Ji(e);return n.skip(t),n.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let i=0;for(;e[i]==n[i]&&e[i];)i++;return 0===i?null:e[i-1]}is(t){return"position"===t||"view:position"===t}isEqual(t){return this.parent==t.parent&&this.offset==t.offset}isBefore(t){return"before"==this.compareWith(t)}isAfter(t){return"after"==this.compareWith(t)}compareWith(t){if(this.root!==t.root)return"different";if(this.isEqual(t))return"same";const e=this.parent.is("node")?this.parent.getPath():[],n=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset),n.push(t.offset);const i=In(e,n);switch(i){case"prefix":return"before";case"extension":return"after";default:return e[i]<n[i]?"before":"after"}}getWalker(t={}){return t.startPosition=this,new Ji(t)}clone(){return new Zi(this.parent,this.offset)}static _createAt(t,e){if(t instanceof Zi)return new this(t.parent,t.offset);{const n=t;if("end"==e)e=n.is("$text")?n.data.length:n.childCount;else{if("before"==e)return this._createBefore(n);if("after"==e)return this._createAfter(n);if(0!==e&&!e)throw new hn.a("view-createpositionat-offset-required",n)}return new Zi(n,e)}}static _createAfter(t){if(t.is("$textProxy"))return new Zi(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new hn.a("view-position-after-root",t,{root:t});return new Zi(t.parent,t.index+1)}static _createBefore(t){if(t.is("$textProxy"))return new Zi(t.textNode,t.offsetInText);if(!t.parent)throw new hn.a("view-position-before-root",t,{root:t});return new Zi(t.parent,t.index)}}class Xi{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new Ji({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let t=this.start.getLastMatchingPosition(to,{direction:"backward"}),e=this.end.getLastMatchingPosition(to);return t.parent.is("$text")&&t.isAtStart&&(t=Zi._createBefore(t.parent)),e.parent.is("$text")&&e.isAtEnd&&(e=Zi._createAfter(e.parent)),new Xi(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(to);if(t.isAfter(this.end)||t.isEqual(this.end))return new Xi(t,t);let e=this.end.getLastMatchingPosition(to,{direction:"backward"});const n=t.nodeAfter,i=e.nodeBefore;return n&&n.is("$text")&&(t=new Zi(n,0)),i&&i.is("$text")&&(e=new Zi(i,i.data.length)),new Xi(t,e)}isEqual(t){return this==t||this.start.isEqual(t.start)&&this.end.isEqual(t.end)}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&i}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new Xi(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Xi(t.end,this.end))):e.push(this.clone()),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new Xi(e,n)}return null}getWalker(t={}){return t.boundaries=this,new Ji(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;let t=this.start.nodeAfter,e=this.end.nodeBefore;return this.start.parent.is("$text")&&this.start.isAtEnd&&this.start.parent.nextSibling&&(t=this.start.parent.nextSibling),this.end.parent.is("$text")&&this.end.isAtStart&&this.end.parent.previousSibling&&(e=this.end.parent.previousSibling),t&&t.is("element")&&t===e?t:null}clone(){return new Xi(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Ji(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Ji(t);yield e.position;for(const t of e)yield t.nextPosition}is(t){return"range"===t||"view:range"===t}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}static _createFromParentsAndOffsets(t,e,n,i){return new this(new Zi(t,e),new Zi(n,i))}static _createFromPositionAndShift(t,e){const n=t,i=t.getShiftedBy(e);return e>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(Zi._createBefore(t),e)}}function to(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function eo(t){let e=0;for(const n of t)e++;return e}class no{constructor(t=null,e,n){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,n)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.end:t.start).clone()}get focus(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.start:t.end).clone()}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const t of this._ranges)yield t.clone()}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?t.clone():null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}isEqual(t){if(this.isFake!=t.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel)return!1;if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const i of t._ranges)if(e.isEqual(i)){n=!0;break}if(!n)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=eo(this.getRanges());if(e!=eo(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let n=!1;for(let i of t.getRanges())if(i=i.getTrimmed(),e.start.isEqual(i.start)&&e.end.isEqual(i.end)){n=!0;break}if(!n)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(t,e,n){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof no||t instanceof io)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof Xi)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof Zi)this._setRanges([new Xi(t)]),this._setFakeOptions(e);else if(t instanceof On){const i=!!n&&!!n.backward;let o;if(void 0===e)throw new hn.a("view-selection-setto-required-second-parameter",this);o="in"==e?Xi._createIn(t):"on"==e?Xi._createOn(t):new Xi(Zi._createAt(t,e)),this._setRanges([o],i),this._setFakeOptions(n)}else{if(!yn(t))throw new hn.a("view-selection-setto-not-selectable",this);this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new hn.a("view-selection-setfocus-no-ranges",this);const n=Zi._createAt(t,e);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.pop(),"before"==n.compareWith(i)?this._addRange(new Xi(n,i),!0):this._addRange(new Xi(i,n)),this.fire("change")}is(t){return"selection"===t||"view:selection"===t}_setRanges(t,e=!1){t=Array.from(t),this._ranges=[];for(const e of t)this._addRange(e);this._lastRangeBackward=!!e}_setFakeOptions(t={}){this._isFake=!!t.fake,this._fakeSelectionLabel=t.fake&&t.label||""}_addRange(t,e=!1){if(!(t instanceof Xi))throw new hn.a("view-selection-add-range-not-range",this);this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new hn.a("view-selection-range-intersects",this,{addedRange:t,intersectingRange:e});this._ranges.push(new Xi(t.start,t.end))}}xn(no,mn);class io{constructor(t=null,e,n){this._selection=new no,this._selection.delegate("change").to(this),this._selection.setTo(t,e,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(t){return this._selection.isEqual(t)}isSimilar(t){return this._selection.isSimilar(t)}is(t){return"selection"===t||"documentSelection"==t||"view:selection"==t||"view:documentSelection"==t}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}xn(io,mn);class oo{constructor(t){this.selection=new io,this.roots=new An({idProperty:"rootName"}),this.stylesProcessor=t,this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(t="main"){return this.roots.get(t)}registerPostFixer(t){this._postFixers.add(t)}destroy(){this.roots.map(t=>t.destroy()),this.stopListening()}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(e=n(t),e)break}while(e)}}xn(oo,Ui);class ro extends Oi{constructor(t,e,n,i){super(t,e,n,i),this.getFillerOffset=so,this._priority=10,this._id=null,this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(null===this.id)throw new hn.a("attribute-element-get-elements-with-same-id-no-id",this);return new Set(this._clonesGroup)}is(t,e=null){return e?e===this.name&&("attributeElement"===t||"view:attributeElement"===t||"element"===t||"view:element"===t):"attributeElement"===t||"view:attributeElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}isSimilar(t){return null!==this.id||null!==t.id?this.id===t.id:super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);return e._priority=this._priority,e._id=this._id,e}}function so(){if(ao(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(ao(t)>1)return null;t=t.parent}return!t||ao(t)>1?null:this.childCount}function ao(t){return Array.from(t.getChildren()).filter(t=>!t.is("uiElement")).length}ro.DEFAULT_PRIORITY=10;class co extends Oi{constructor(t,e,n,i){super(t,e,n,i),this.getFillerOffset=lo}is(t,e=null){return e?e===this.name&&("emptyElement"===t||"view:emptyElement"===t||"element"===t||"view:element"===t):"emptyElement"===t||"view:emptyElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof On||Array.from(e).length>0))throw new hn.a("view-emptyelement-cannot-add",[this,e])}}function lo(){return null}const uo=navigator.userAgent.toLowerCase();var ho={isMac:function(t){return t.indexOf("macintosh")>-1}(uo),isGecko:function(t){return!!t.match(/gecko\/\d+/)}(uo),isSafari:function(t){return t.indexOf(" applewebkit/")>-1&&-1===t.indexOf("chrome")}(uo),isAndroid:function(t){return t.indexOf("android")>-1}(uo),isBlink:function(t){return t.indexOf("chrome/")>-1&&t.indexOf("edge/")<0}(uo),features:{isRegExpUnicodePropertySupported:function(){let t=!1;try{t=0==="ć".search(new RegExp("[\\p{L}]","u"))}catch(t){}return t}()}};const fo={"⌘":"ctrl","⇧":"shift","⌥":"alt"},go={ctrl:"⌘",shift:"⇧",alt:"⌥"},mo=function(){const t={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let e=65;e<=90;e++){const n=String.fromCharCode(e);t[n.toLowerCase()]=e}for(let e=48;e<=57;e++)t[e-48]=e;for(let e=112;e<=123;e++)t["f"+(e-111)]=e;return t}();function po(t){let e;if("string"==typeof t){if(e=mo[t.toLowerCase()],!e)throw new hn.a("keyboard-unknown-key",null,{key:t})}else e=t.keyCode+(t.altKey?mo.alt:0)+(t.ctrlKey?mo.ctrl:0)+(t.shiftKey?mo.shift:0);return e}function bo(t){return"string"==typeof t&&(t=yo(t)),t.map(t=>"string"==typeof t?po(t):t).reduce((t,e)=>e+t,0)}function wo(t){return ho.isMac?yo(t).map(t=>go[t.toLowerCase()]||t).reduce((t,e)=>t.slice(-1)in fo?t+e:t+"+"+e):t}function ko(t){return t==mo.arrowright||t==mo.arrowleft||t==mo.arrowup||t==mo.arrowdown}function _o(t,e){const n="ltr"===e;switch(t){case mo.arrowleft:return n?"left":"right";case mo.arrowright:return n?"right":"left";case mo.arrowup:return"up";case mo.arrowdown:return"down"}}function vo(t,e){const n=_o(t,e);return"down"===n||"right"===n}function yo(t){return t.split(/\s*\+\s*/)}class xo extends Oi{constructor(t,e,n,i){super(t,e,n,i),this.getFillerOffset=Co}is(t,e=null){return e?e===this.name&&("uiElement"===t||"view:uiElement"===t||"element"===t||"view:element"===t):"uiElement"===t||"view:uiElement"===t||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof On||Array.from(e).length>0))throw new hn.a("view-uielement-cannot-add",this)}render(t){return this.toDomElement(t)}toDomElement(t){const e=t.createElement(this.name);for(const t of this.getAttributeKeys())e.setAttribute(t,this.getAttribute(t));return e}}function Ao(t){t.document.on("keydown",(e,n)=>function(t,e,n){if(e.keyCode==mo.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection(),i=1==t.rangeCount&&t.getRangeAt(0).collapsed;if(i||e.shiftKey){const e=t.focusNode,o=t.focusOffset,r=n.domPositionToView(e,o);if(null===r)return;let s=!1;const a=r.getLastMatchingPosition(t=>(t.item.is("uiElement")&&(s=!0),!(!t.item.is("uiElement")&&!t.item.is("attributeElement"))));if(s){const e=n.viewPositionToDom(a);i?t.collapse(e.parent,e.offset):t.extend(e.parent,e.offset)}}}}(0,n,t.domConverter))}function Co(){return null}class To extends Oi{constructor(t,e,n,i){super(t,e,n,i),this.getFillerOffset=Po}is(t,e=null){return e?e===this.name&&("rawElement"===t||"view:rawElement"===t||"element"===t||"view:element"===t):"rawElement"===t||"view:rawElement"===t||t===this.name||t==="view:"+this.name||"element"===t||"view:element"===t||"node"===t||"view:node"===t}_insertChild(t,e){if(e&&(e instanceof On||Array.from(e).length>0))throw new hn.a("view-rawelement-cannot-add",[this,e])}}function Po(){return null}class Eo{constructor(t,e){this.document=t,this._children=[],e&&this._insertChild(0,e)}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"===t||"view:documentFragment"===t}_appendChild(t){return this._insertChild(this.childCount,t)}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}_insertChild(t,e){this._fireChange("children",this);let n=0;const i=function(t,e){if("string"==typeof e)return[new Rn(t,e)];yn(e)||(e=[e]);return Array.from(e).map(e=>"string"==typeof e?new Rn(t,e):e instanceof Dn?new Rn(t,e.data):e)}(this.document,e);for(const e of i)null!==e.parent&&e._remove(),e.parent=this,this._children.splice(t,0,e),t++,n++;return n}_removeChildren(t,e=1){this._fireChange("children",this);for(let n=t;n<t+e;n++)this._children[n].parent=null;return this._children.splice(t,e)}_fireChange(t,e){this.fire("change:"+t,e)}}xn(Eo,mn);class So{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 Rn(this.document,t)}createAttributeElement(t,e,n={}){const i=new ro(this.document,t,e);return n.priority&&(i._priority=n.priority),n.id&&(i._id=n.id),i}createContainerElement(t,e){return new Di(this.document,t,e)}createEditableElement(t,e){const n=new Gi(this.document,t,e);return n._document=this.document,n}createEmptyElement(t,e){return new co(this.document,t,e)}createUIElement(t,e,n){const i=new xo(this.document,t,e);return n&&(i.render=n),i}createRawElement(t,e,n){const i=new To(this.document,t,e);return i.render=n||(()=>{}),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){y(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}breakAttributes(t){return t instanceof Zi?this._breakAttributes(t):this._breakAttributesRange(t)}breakContainer(t){const e=t.parent;if(!e.is("containerElement"))throw new hn.a("view-writer-break-non-container-element",this.document);if(!e.parent)throw new hn.a("view-writer-break-root",this.document);if(t.isAtStart)return Zi._createBefore(e);if(!t.isAtEnd){const n=e._clone(!1);this.insert(Zi._createAfter(e),n);const i=new Xi(t,Zi._createAt(e,"end")),o=new Zi(n,0);this.move(i,o)}return Zi._createAfter(e)}mergeAttributes(t){const e=t.offset,n=t.parent;if(n.is("$text"))return t;if(n.is("attributeElement")&&0===n.childCount){const t=n.parent,e=n.index;return n._remove(),this._removeFromClonedElementsGroup(n),this.mergeAttributes(new Zi(t,e))}const i=n.getChild(e-1),o=n.getChild(e);if(!i||!o)return t;if(i.is("$text")&&o.is("$text"))return Ro(i,o);if(i.is("attributeElement")&&o.is("attributeElement")&&i.isSimilar(o)){const t=i.childCount;return i._appendChild(o.getChildren()),o._remove(),this._removeFromClonedElementsGroup(o),this.mergeAttributes(new Zi(i,t))}return t}mergeContainers(t){const e=t.nodeBefore,n=t.nodeAfter;if(!(e&&n&&e.is("containerElement")&&n.is("containerElement")))throw new hn.a("view-writer-merge-containers-invalid-position",this.document);const i=e.getChild(e.childCount-1),o=i instanceof Rn?Zi._createAt(i,"end"):Zi._createAt(e,"end");return this.move(Xi._createIn(n),Zi._createAt(e,"end")),this.remove(Xi._createOn(n)),o}insert(t,e){(function t(e,n){for(const i of e){if(!Do.some(t=>i instanceof t))throw new hn.a("view-writer-insert-invalid-node-type",n);i.is("$text")||t(i.getChildren(),n)}})(e=yn(e)?[...e]:[e],this.document);const n=Mo(t);if(!n)throw new hn.a("view-writer-invalid-position-container",this.document);const i=this._breakAttributes(t,!0),o=n._insertChild(i.offset,e);for(const t of e)this._addToClonedElementsGroup(t);const r=i.getShiftedBy(o),s=this.mergeAttributes(i);if(0===o)return new Xi(s,s);{s.isEqual(i)||r.offset--;const t=this.mergeAttributes(r);return new Xi(s,t)}}remove(t){const e=t instanceof Xi?t:Xi._createOn(t);if(Vo(e,this.document),e.isCollapsed)return new Eo(this.document);const{start:n,end:i}=this._breakAttributesRange(e,!0),o=n.parent,r=i.offset-n.offset,s=o._removeChildren(n.offset,r);for(const t of s)this._removeFromClonedElementsGroup(t);const a=this.mergeAttributes(n);return e.start=a,e.end=a.clone(),new Eo(this.document,s)}clear(t,e){Vo(t,this.document);const n=t.getWalker({direction:"backward",ignoreElementEnd:!0});for(const i of n){const n=i.item;let o;if(n.is("element")&&e.isSimilar(n))o=Xi._createOn(n);else if(!i.nextPosition.isAfter(t.start)&&n.is("$textProxy")){const t=n.getAncestors().find(t=>t.is("element")&&e.isSimilar(t));t&&(o=Xi._createIn(t))}o&&(o.end.isAfter(t.end)&&(o.end=t.end),o.start.isBefore(t.start)&&(o.start=t.start),this.remove(o))}}move(t,e){let n;if(e.isAfter(t.end)){const i=(e=this._breakAttributes(e,!0)).parent,o=i.childCount;t=this._breakAttributesRange(t,!0),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 ro))throw new hn.a("view-writer-wrap-invalid-attribute",this.document);if(Vo(t,this.document),t.isCollapsed){let i=t.start;i.parent.is("element")&&(n=i.parent,!Array.from(n.getChildren()).some(t=>!t.is("uiElement")))&&(i=i.getLastMatchingPosition(t=>t.item.is("uiElement"))),i=this._wrapPosition(i,e);const o=this.document.selection;return o.isCollapsed&&o.getFirstPosition().isEqual(t.start)&&this.setSelection(i),new Xi(i)}return this._wrapRange(t,e);var n}unwrap(t,e){if(!(e instanceof ro))throw new 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this.markedTexts)!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)&&this._updateText(e,{inlineFillerPosition:t});if(t){const e=this.domConverter.viewPositionToDom(t),n=e.parent.ownerDocument;Ho(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=er(n,e.parent,e.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=this.domConverter.mapViewToDom(t).childNodes,i=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:!1})),o=this._diffNodeLists(n,i),r=this._findReplaceActions(o,n,i);if(-1!==r.indexOf("replace")){const e={equal:0,insert:0,delete:0};for(const o of r)if("replace"===o){const 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hn.a("view-renderer-filler-was-lost",this);Wo(t)?t.parentNode.removeChild(t):t.data=t.data.substr(7),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=t.parent,n=t.offset;if(!this.domConverter.mapViewToDom(e.root))return!1;if(!e.is("element"))return!1;if(!function(t){if("false"==t.getAttribute("contenteditable"))return!1;const e=t.findAncestor(t=>t.hasAttribute("contenteditable"));return!e||"true"==e.getAttribute("contenteditable")}(e))return!1;if(n===e.getFillerOffset())return!1;const i=t.nodeBefore,o=t.nodeAfter;return!(i instanceof Rn||o instanceof Rn)}_updateText(t,e){const n=this.domConverter.findCorrespondingDomText(t),i=this.domConverter.viewToDom(t,n.ownerDocument),o=n.data;let r=i.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index&&(r=Uo+r),o!=r){const t=Yo(o,r);for(const e of 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c)t.parentNode||this.domConverter.unbindDomElement(t)}_diffNodeLists(t,e){return Qo(t=function(t,e){const n=Array.from(t);if(0==n.length||!e)return n;n[n.length-1]==e&&n.pop();return n}(t,this._fakeSelectionContainer),e,ir.bind(null,this.domConverter))}_findReplaceActions(t,e,n){if(-1===t.indexOf("insert")||-1===t.indexOf("delete"))return t;let i=[],o=[],r=[];const s={equal:0,insert:0,delete:0};for(const a of t)"insert"===a?r.push(n[s.equal+s.insert]):"delete"===a?o.push(e[s.equal+s.delete]):(i=i.concat(Qo(o,r,nr).map(t=>"equal"===t?"replace":t)),i.push("equal"),o=[],r=[]),s[a]++;return i.concat(Qo(o,r,nr).map(t=>"equal"===t?"replace":t))}_markDescendantTextToSync(t){if(t)if(t.is("$text"))this.markedTexts.add(t);else if(t.is("element"))for(const e of t.getChildren())this._markDescendantTextToSync(e)}_updateSelection(){if(0===this.selection.rangeCount)return this._removeDomSelection(),void this._removeFakeSelection();const t=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&t&&(this.selection.isFake?this._updateFakeSelection(t):(this._removeFakeSelection(),this._updateDomSelection(t)))}_updateFakeSelection(t){const e=t.ownerDocument;this._fakeSelectionContainer||(this._fakeSelectionContainer=function(t){const e=t.createElement("div");return Object.assign(e.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),e.textContent=" ",e}(e));const n=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(n,this.selection),!this._fakeSelectionNeedsUpdate(t))return;n.parentElement&&n.parentElement==t||t.appendChild(n),n.textContent=this.selection.fakeSelectionLabel||" ";const i=e.getSelection(),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),i=this.domConverter.viewPositionToDom(this.selection.focus);t.focus(),e.collapse(n.parent,n.offset),e.extend(i.parent,i.offset),ho.isGecko&&function(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];i&&"BR"==i.tagName&&e.addRange(e.getRangeAt(0))}(i,e)}_domSelectionNeedsUpdate(t){if(!this.domConverter.isDomSelectionCorrect(t))return!0;const e=t&&this.domConverter.domSelectionToView(t);return(!e||!this.selection.isEqual(e))&&!(!this.selection.isCollapsed&&this.selection.isSimilar(e))}_fakeSelectionNeedsUpdate(t){const e=this._fakeSelectionContainer,n=t.ownerDocument.getSelection();return!e||e.parentElement!==t||(n.anchorNode!==e&&!e.contains(n.anchorNode)||e.textContent!==this.selection.fakeSelectionLabel)}_removeDomSelection(){for(const t of this.domDocuments){if(t.getSelection().rangeCount){const 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t=e.domPositionToView(r.anchorNode,r.anchorOffset),n=e.domPositionToView(r.focusNode,r.focusOffset);t&&n&&(s=new no(t),s.setFocus(n))}function a(t,e){if(!Array.isArray(t))return t===e||!(!t.is("$text")||!e.is("$text"))&&t.data===e.data}o.length&&(this.document.fire("mutations",o,s),this.view.forceRender())}_isBogusBrMutation(t){let e=null;return null===t.nextSibling&&0===t.removedNodes.length&&1==t.addedNodes.length&&(e=this.domConverter.domToView(t.addedNodes[0],{withChildren:!1})),e&&e.is("element","br")}}class Lr{constructor(t,e,n){this.view=t,this.document=t.document,this.domEvent=e,this.domTarget=e.target,Vi(this,n)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class Vr extends pr{constructor(t){super(t),this.useCapture=!1}observe(t){("string"==typeof 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i,o,r,s,a,c,l=0,d=!1,u=!1,h=!0;if("function"!=typeof t)throw new TypeError("Expected a function");function f(e){var n=i,r=o;return i=o=void 0,l=e,s=t.apply(r,n)}function g(t){return l=t,a=setTimeout(p,e),d?f(t):s}function m(t){var n=t-c;return void 0===c||n>=e||n<0||u&&t-l>=r}function p(){var t=zr();if(m(t))return b(t);a=setTimeout(p,function(t){var n=e-(t-c);return u?Yr(n,r-(t-l)):n}(t))}function b(t){return a=void 0,h&&i?f(t):(i=o=void 0,s)}function w(){var t=zr(),n=m(t);if(i=arguments,o=this,c=t,n){if(void 0===a)return g(c);if(u)return clearTimeout(a),a=setTimeout(p,e),f(c)}return void 0===a&&(a=setTimeout(p,e)),s}return e=qr(e)||0,V(n)&&(d=!!n.leading,r=(u="maxWait"in n)?$r(qr(n.maxWait)||0,e):r,h="trailing"in n?!!n.trailing:h),w.cancel=function(){void 0!==a&&clearTimeout(a),l=0,i=c=o=a=void 0},w.flush=function(){return void 0===a?s:b(zr())},w};class Kr extends pr{constructor(t){super(t),this._fireSelectionChangeDoneDebounced=Gr(t=>this.document.fire("selectionChangeDone",t),200)}observe(){const t=this.document;t.on("keydown",(e,n)=>{t.selection.isFake&&ko(n.keyCode)&&this.isEnabled&&(n.preventDefault(),this._handleSelectionMove(n.keyCode))},{priority:"lowest"})}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(t){const e=this.document.selection,n=new no(e.getRanges(),{backward:e.isBackward,fake:!1});t!=mo.arrowleft&&t!=mo.arrowup||n.setTo(n.getFirstPosition()),t!=mo.arrowright&&t!=mo.arrowdown||n.setTo(n.getLastPosition());const i={oldSelection:e,newSelection:n,domSelection:null};this.document.fire("selectionChange",i),this._fireSelectionChangeDoneDebounced(i)}}class Qr extends pr{constructor(t){super(t),this.mutationObserver=t.getObserver(Dr),this.selection=this.document.selection,this.domConverter=t.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=Gr(t=>this.document.fire("selectionChangeDone",t),200),this._clearInfiniteLoopInterval=setInterval(()=>this._clearInfiniteLoop(),1e3),this._loopbackCounter=0}observe(t){const e=t.ownerDocument;this._documents.has(e)||(this.listenTo(e,"selectionchange",(t,n)=>{this._handleSelectionChange(n,e)}),this._documents.add(e))}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(t,e){if(!this.isEnabled)return;const n=e.defaultView.getSelection();if(this.checkShouldIgnoreEventFromTarget(n.anchorNode))return;this.mutationObserver.flush();const i=this.domConverter.domSelectionToView(n);if(0!=i.rangeCount){if(this.view.hasDomSelection=!0,!(this.selection.isEqual(i)&&this.domConverter.isDomSelectionCorrect(n)||++this._loopbackCounter>60))if(this.selection.isSimilar(i))this.view.forceRender();else{const t={oldSelection:this.selection,newSelection:i,domSelection:n};this.document.fire("selectionChange",t),this._fireSelectionChangeDoneDebounced(t)}}else this.view.hasDomSelection=!1}_clearInfiniteLoop(){this._loopbackCounter=0}}class Jr extends Vr{constructor(t){super(t),this.domEventType=["focus","blur"],this.useCapture=!0;const e=this.document;e.on("focus",()=>{e.isFocused=!0,this._renderTimeoutId=setTimeout(()=>t.forceRender(),50)}),e.on("blur",(n,i)=>{const o=e.selection.editableElement;null!==o&&o!==i.target||(e.isFocused=!1,t.forceRender())})}onDomEvent(t){this.fire(t.type,t)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class Zr extends Vr{constructor(t){super(t),this.domEventType=["compositionstart","compositionupdate","compositionend"];const e=this.document;e.on("compositionstart",()=>{e.isComposing=!0}),e.on("compositionend",()=>{e.isComposing=!1})}onDomEvent(t){this.fire(t.type,t)}}class Xr extends Vr{constructor(t){super(t),this.domEventType=["beforeinput"]}onDomEvent(t){this.fire(t.type,t)}}function ts(t){return"[object Range]"==Object.prototype.toString.apply(t)}function es(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 ns=["top","right","bottom","left","width","height"];class is{constructor(t){const e=ts(t);if(Object.defineProperty(this,"_source",{value:t._source||t,writable:!0,enumerable:!1}),nn(t)||e)if(e){const e=is.getDomRangeRects(t);os(this,is.getBoundingRect(e))}else os(this,t.getBoundingClientRect());else if(hr(t)){const{innerWidth:e,innerHeight:n}=t;os(this,{top:0,right:e,bottom:n,left:0,width:e,height:n})}else os(this,t)}clone(){return new is(this)}moveTo(t,e){return this.top=e,this.right=t+this.width,this.bottom=e+this.height,this.left=t,this}moveBy(t,e){return this.top+=e,this.right+=t,this.left+=t,this.bottom+=e,this}getIntersection(t){const e={top:Math.max(this.top,t.top),right:Math.min(this.right,t.right),bottom:Math.min(this.bottom,t.bottom),left:Math.max(this.left,t.left)};return e.width=e.right-e.left,e.height=e.bottom-e.top,e.width<0||e.height<0?null:new is(e)}getIntersectionArea(t){const e=this.getIntersection(t);return e?e.getArea():0}getArea(){return this.width*this.height}getVisible(){const t=this._source;let e=this.clone();if(!rs(t)){let n=t.parentNode||t.commonAncestorContainer;for(;n&&!rs(n);){const t=new is(n),i=e.getIntersection(t);if(!i)return null;i.getArea()<e.getArea()&&(e=i),n=n.parentNode}}return e}isEqual(t){for(const e of ns)if(this[e]!==t[e])return!1;return!0}contains(t){const e=this.getIntersection(t);return!(!e||!e.isEqual(t))}excludeScrollbarsAndBorders(){const t=this._source;let e,n,i;if(hr(t))e=t.innerWidth-t.document.documentElement.clientWidth,n=t.innerHeight-t.document.documentElement.clientHeight,i=t.getComputedStyle(t.document.documentElement).direction;else{const o=es(this._source);e=t.offsetWidth-t.clientWidth-o.left-o.right,n=t.offsetHeight-t.clientHeight-o.top-o.bottom,i=t.ownerDocument.defaultView.getComputedStyle(t).direction,this.left+=o.left,this.top+=o.top,this.right-=o.right,this.bottom-=o.bottom,this.width=this.right-this.left,this.height=this.bottom-this.top}return this.width-=e,"ltr"===i?this.right-=e:this.left+=e,this.height-=n,this.bottom-=n,this}static getDomRangeRects(t){const e=[],n=Array.from(t.getClientRects());if(n.length)for(const t of n)e.push(new is(t));else{let n=t.startContainer;zo(n)&&(n=n.parentNode);const i=new is(n.getBoundingClientRect());i.right=i.left,i.width=0,e.push(i)}return e}static getBoundingRect(t){const e={left:Number.POSITIVE_INFINITY,top:Number.POSITIVE_INFINITY,right:Number.NEGATIVE_INFINITY,bottom:Number.NEGATIVE_INFINITY};let n=0;for(const i of t)n++,e.left=Math.min(e.left,i.left),e.top=Math.min(e.top,i.top),e.right=Math.max(e.right,i.right),e.bottom=Math.max(e.bottom,i.bottom);return 0==n?null:(e.width=e.right-e.left,e.height=e.bottom-e.top,new is(e))}}function os(t,e){for(const n of ns)t[n]=e[n]}function rs(t){return!!nn(t)&&t===t.ownerDocument.body}function ss({target:t,viewportOffset:e=0}){const n=fs(t);let i=n,o=null;for(;i;){let r;r=gs(i==n?t:o),cs(r,()=>ms(t,i));const s=ms(t,i);if(as(i,s,e),i.parent!=i){if(o=i.frameElement,i=i.parent,!o)return}else i=null}}function as(t,e,n){const i=e.clone().moveBy(0,n),o=e.clone().moveBy(0,-n),r=new is(t).excludeScrollbarsAndBorders();if(![o,i].every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;ds(o,r)?a-=r.top-e.top+n:ls(i,r)&&(a+=e.bottom-r.bottom+n),us(e,r)?s-=r.left-e.left+n:hs(e,r)&&(s+=e.right-r.right+n),t.scrollTo(s,a)}}function cs(t,e){const n=fs(t);let i,o;for(;t!=n.document.body;)o=e(),i=new is(t).excludeScrollbarsAndBorders(),i.contains(o)||(ds(o,i)?t.scrollTop-=i.top-o.top:ls(o,i)&&(t.scrollTop+=o.bottom-i.bottom),us(o,i)?t.scrollLeft-=i.left-o.left:hs(o,i)&&(t.scrollLeft+=o.right-i.right)),t=t.parentNode}function ls(t,e){return t.bottom>e.bottom}function ds(t,e){return t.top<e.top}function us(t,e){return t.left<e.left}function hs(t,e){return t.right>e.right}function fs(t){return ts(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function gs(t){if(ts(t)){let e=t.commonAncestorContainer;return zo(e)&&(e=e.parentNode),e}return t.parentNode}function ms(t,e){const n=fs(t),i=new is(t);if(n===e)return i;{let t=n;for(;t!=e;){const e=t.frameElement,n=new is(e).excludeScrollbarsAndBorders();i.moveBy(n.left,n.top),t=t.parent}}return i}Object.assign({},{scrollViewportToShowTarget:ss,scrollAncestorsToShowTarget:function(t){cs(gs(t),()=>new is(t))}});class ps{constructor(t){this.document=new oo(t),this.domConverter=new cr(this.document),this.domRoots=new Map,this.set("isRenderingInProgress",!1),this.set("hasDomSelection",!1),this._renderer=new tr(this.domConverter,this.document.selection),this._renderer.bind("isFocused").to(this.document),this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this._writer=new So(this.document),this.addObserver(Dr),this.addObserver(Qr),this.addObserver(Jr),this.addObserver(jr),this.addObserver(Kr),this.addObserver(Zr),ho.isAndroid&&this.addObserver(Xr),this.document.on("keydown",$o),Ao(this),this.on("render",()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1}),this.listenTo(this.document.selection,"change",()=>{this._hasChangedSinceTheLastRendering=!0})}attachDomRoot(t,e="main"){const n=this.document.getRoot(e);n._name=t.tagName.toLowerCase();const i={};for(const{name:e,value:o}of Array.from(t.attributes))i[e]=o,"class"===e?this._writer.addClass(o.split(" "),n):this._writer.setAttribute(e,o,n);this._initialDomRootAttributes.set(t,i);const o=()=>{this._writer.setAttribute("contenteditable",!n.isReadOnly,n),n.isReadOnly?this._writer.addClass("ck-read-only",n):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=!0});for(const n of this._observers.values())n.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach(({name:t})=>e.removeAttribute(t));const n=this._initialDomRootAttributes.get(e);for(const t in n)e.setAttribute(t,n[t]);this.domRoots.delete(t),this.domConverter.unbindDomElement(e)}getDomRoot(t="main"){return this.domRoots.get(t)}addObserver(t){let e=this._observers.get(t);if(e)return e;e=new t(this),this._observers.set(t,e);for(const[t,n]of this.domRoots)e.observe(n,t);return e.enable(),e}getObserver(t){return this._observers.get(t)}disableObservers(){for(const t of this._observers.values())t.disable()}enableObservers(){for(const t of this._observers.values())t.enable()}scrollToTheSelection(){const t=this.document.selection.getFirstRange();t&&ss({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;t&&(this.domConverter.focus(t),this.forceRender())}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress)throw new hn.a("cannot-change-view-tree",this);try{if(this._ongoingChange)return t(this._writer);this._ongoingChange=!0;const e=t(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),e}catch(t){hn.a.rethrowUnexpectedError(t,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change(()=>{})}destroy(){for(const t of this._observers.values())t.destroy();this.document.destroy(),this.stopListening()}createPositionAt(t,e){return Zi._createAt(t,e)}createPositionAfter(t){return Zi._createAfter(t)}createPositionBefore(t){return Zi._createBefore(t)}createRange(t,e){return new Xi(t,e)}createRangeOn(t){return Xi._createOn(t)}createRangeIn(t){return Xi._createIn(t)}createSelection(t,e,n){return new no(t,e,n)}_disableRendering(t){this._renderingDisabled=t,0==t&&this.change(()=>{})}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}xn(ps,Ui);class bs{constructor(t){this.parent=null,this._attrs=Ln(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new hn.a("model-node-not-found-in-parent",this);return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new hn.a("model-node-not-found-in-parent",this);return t}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}isAttached(){return this.root.is("rootElement")}getPath(){const t=[];let e=this;for(;e.parent;)t.unshift(e.startOffset),e=e.parent;return t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e),i=t.getAncestors(e);let o=0;for(;n[o]==i[o]&&n[o];)o++;return 0===o?null:n[o-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),n=t.getPath(),i=In(e,n);switch(i){case"prefix":return!0;case"extension":return!1;default:return e[i]<n[i]}}isAfter(t){return this!=t&&(this.root===t.root&&!this.isBefore(t))}hasAttribute(t){return this._attrs.has(t)}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const t={};return this._attrs.size&&(t.attributes=Array.from(this._attrs).reduce((t,e)=>(t[e[0]]=e[1],t),{})),t}is(t){return"node"===t||"model:node"===t}_clone(){return new bs(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=Ln(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class ws extends bs{constructor(t,e){super(e),this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return"$text"===t||"model:$text"===t||"text"===t||"model:text"===t||"node"===t||"model:node"===t}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new ws(this.data,this.getAttributes())}static fromJSON(t){return new ws(t.data,t.attributes)}}class ks{constructor(t,e,n){if(this.textNode=t,e<0||e>t.offsetSize)throw new hn.a("model-textproxy-wrong-offsetintext",this);if(n<0||e+n>t.offsetSize)throw new hn.a("model-textproxy-wrong-length",this);this.data=t.data.substring(e,e+n),this.offsetInText=e}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}is(t){return"$textProxy"===t||"model:$textProxy"===t||"textProxy"===t||"model:textProxy"===t}getPath(){const t=this.textNode.getPath();return t.length>0&&(t[t.length-1]+=this.offsetInText),t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}hasAttribute(t){return this.textNode.hasAttribute(t)}getAttribute(t){return this.textNode.getAttribute(t)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class _s{constructor(t){this._nodes=[],t&&this._insertNodes(0,t)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce((t,e)=>t+e.offsetSize,0)}getNode(t){return this._nodes[t]||null}getNodeIndex(t){const e=this._nodes.indexOf(t);return-1==e?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return null===e?null:this._nodes.slice(0,e).reduce((t,e)=>t+e.offsetSize,0)}indexToOffset(t){if(t==this._nodes.length)return this.maxOffset;const e=this._nodes[t];if(!e)throw new hn.a("model-nodelist-index-out-of-bounds",this);return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const n of this._nodes){if(t>=e&&t<e+n.offsetSize)return this.getNodeIndex(n);e+=n.offsetSize}if(e!=t)throw new hn.a("model-nodelist-offset-out-of-bounds",this,{offset:t,nodeList:this});return this.length}_insertNodes(t,e){for(const t of e)if(!(t instanceof bs))throw new hn.a("model-nodelist-insertnodes-not-node",this);this._nodes.splice(t,0,...e)}_removeNodes(t,e=1){return this._nodes.splice(t,e)}toJSON(){return this._nodes.map(t=>t.toJSON())}}class vs extends bs{constructor(t,e,n){super(e),this.name=t,this._children=new _s,n&&this._insertChild(0,n)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(t,e=null){return e?e===this.name&&("element"===t||"model:element"===t):"element"===t||"model:element"===t||"node"===t||"model:node"===t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}findAncestor(t,e={includeSelf:!1}){let n=e.includeSelf?this:this.parent;for(;n;){if(n.name===t)return n;n=n.parent}return null}toJSON(){const t=super.toJSON();if(t.name=this.name,this._children.length>0){t.children=[];for(const e of this._children)t.children.push(e.toJSON())}return t}_clone(t=!1){const e=t?Array.from(this._children).map(t=>t._clone(!0)):null;return new vs(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if("string"==typeof t)return[new ws(t)];yn(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new ws(t):t instanceof ks?new ws(t.data,t.getAttributes()):t)}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}static fromJSON(t){let e=null;if(t.children){e=[];for(const n of t.children)n.name?e.push(vs.fromJSON(n)):e.push(ws.fromJSON(n))}return new vs(t.name,t.attributes,e)}}class ys{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new hn.a("model-tree-walker-no-start-position",null);const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new hn.a("model-tree-walker-unknown-direction",t,{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=As._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(t){let e,n,i,o;do{i=this.position,o=this._visitedParent,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=i,this._visitedParent=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&e.offset===n.maxOffset)return{done:!0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const i=e.parent,o=Cs(e,i),r=o||Ts(e,i,o);if(r instanceof vs)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=r),this.position=e,xs("elementStart",r,t,e,1);if(r instanceof ws){let i;if(this.singleCharacters)i=1;else{let t=r.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),i=t-e.offset}const o=e.offset-r.startOffset,s=new ks(r,o,i);return e.offset+=i,this.position=e,xs("text",s,t,e,i)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():xs("elementEnd",n,t,e)}_previous(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&0===e.offset)return{done:!0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};const i=e.parent,o=Cs(e,i),r=o||Ps(e,i,o);if(r instanceof vs)return e.offset--,this.shallow?(this.position=e,xs("elementStart",r,t,e,1)):(e.path.push(r.maxOffset),this.position=e,this._visitedParent=r,this.ignoreElementEnd?this._previous():xs("elementEnd",r,t,e));if(r instanceof ws){let i;if(this.singleCharacters)i=1;else{let t=r.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),i=e.offset-t}const o=e.offset-r.startOffset,s=new ks(r,o-i,i);return e.offset-=i,this.position=e,xs("text",s,t,e,i)}return e.path.pop(),this.position=e,this._visitedParent=n.parent,xs("elementStart",n,t,e,1)}}function xs(t,e,n,i,o){return{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:i,length:o}}}class As{constructor(t,e,n="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new hn.a("model-position-root-invalid",t);if(!(e instanceof Array)||0===e.length)throw new hn.a("model-position-path-incorrect-format",t,{path:e});t.is("rootElement")?e=e.slice():(e=[...t.getPath(),...e],t=t.root),this.root=t,this.path=e,this.stickiness=n}get offset(){return this.path[this.path.length-1]}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;e<this.path.length-1;e++)if(t=t.getChild(t.offsetToIndex(this.path[e])),!t)throw new hn.a("model-position-path-incorrect",this,{position:this});if(t.is("$text"))throw new hn.a("model-position-path-incorrect",this,{position:this});return t}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){return Cs(this,this.parent)}get nodeAfter(){const t=this.parent;return Ts(this,t,Cs(this,t))}get nodeBefore(){const t=this.parent;return Ps(this,t,Cs(this,t))}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(t){if(this.root!=t.root)return"different";const e=In(this.path,t.path);switch(e){case"same":return"same";case"prefix":return"before";case"extension":return"after";default:return this.path[e]<t.path[e]?"before":"after"}}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new ys(e);return n.skip(t),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){const t=this.parent;return t.is("documentFragment")?[t]:t.getAncestors({includeSelf:!0})}findAncestor(t){const e=this.parent;return e.is("element")?e.findAncestor(t,{includeSelf:!0}):null}getCommonPath(t){if(this.root!=t.root)return[];const e=In(this.path,t.path),n="string"==typeof e?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,n)}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let i=0;for(;e[i]==n[i]&&e[i];)i++;return 0===i?null:e[i-1]}getShiftedBy(t){const e=this.clone(),n=e.offset+t;return e.offset=n<0?0:n,e}isAfter(t){return"after"==this.compareWith(t)}isBefore(t){return"before"==this.compareWith(t)}isEqual(t){return"same"==this.compareWith(t)}isTouching(t){let e=null,n=null;switch(this.compareWith(t)){case"same":return!0;case"before":e=As._createAt(this),n=As._createAt(t);break;case"after":e=As._createAt(t),n=As._createAt(this);break;default:return!1}let i=e.parent;for(;e.path.length+n.path.length;){if(e.isEqual(n))return!0;if(e.path.length>n.path.length){if(e.offset!==i.maxOffset)return!1;e.path=e.path.slice(0,-1),i=i.parent,e.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}is(t){return"position"===t||"model:position"===t}hasSameParentAs(t){if(this.root!==t.root)return!1;return"same"==In(this.getParentPath(),t.getParentPath())}getTransformedByOperation(t){let e;switch(t.type){case"insert":e=this._getTransformedByInsertOperation(t);break;case"move":case"remove":case"reinsert":e=this._getTransformedByMoveOperation(t);break;case"split":e=this._getTransformedBySplitOperation(t);break;case"merge":e=this._getTransformedByMergeOperation(t);break;default:e=As._createAt(this)}return e}_getTransformedByInsertOperation(t){return this._getTransformedByInsertion(t.position,t.howMany)}_getTransformedByMoveOperation(t){return this._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany)}_getTransformedBySplitOperation(t){const e=t.movedRange;return e.containsPosition(this)||e.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(t.splitPosition,t.moveTargetPosition):t.graveyardPosition?this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1):this._getTransformedByInsertion(t.insertionPosition,1)}_getTransformedByMergeOperation(t){const e=t.movedRange;let n;return e.containsPosition(this)||e.start.isEqual(this)?(n=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(n=n._getTransformedByDeletion(t.deletionPosition,1))):n=this.isEqual(t.deletionPosition)?As._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),n}_getTransformedByDeletion(t,e){const n=As._createAt(this);if(this.root!=t.root)return n;if("same"==In(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;n.offset-=e}}else if("prefix"==In(t.getParentPath(),this.getParentPath())){const i=t.path.length-1;if(t.offset<=this.path[i]){if(t.offset+e>this.path[i])return null;n.path[i]-=e}}return n}_getTransformedByInsertion(t,e){const n=As._createAt(this);if(this.root!=t.root)return n;if("same"==In(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&"toPrevious"!=this.stickiness)&&(n.offset+=e);else if("prefix"==In(t.getParentPath(),this.getParentPath())){const i=t.path.length-1;t.offset<=this.path[i]&&(n.path[i]+=e)}return n}_getTransformedByMove(t,e,n){if(e=e._getTransformedByDeletion(t,n),t.isEqual(e))return As._createAt(this);const i=this._getTransformedByDeletion(t,n);return null===i||t.isEqual(this)&&"toNext"==this.stickiness||t.getShiftedBy(n).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(t,e):i._getTransformedByInsertion(e,n)}_getCombined(t,e){const n=t.path.length-1,i=As._createAt(e);return i.stickiness=this.stickiness,i.offset=i.offset+this.path[n]-t.offset,i.path=[...i.path,...this.path.slice(n+1)],i}toJSON(){return{root:this.root.toJSON(),path:Array.from(this.path),stickiness:this.stickiness}}clone(){return new this.constructor(this.root,this.path,this.stickiness)}static _createAt(t,e,n="toNone"){if(t instanceof As)return new As(t.root,t.path,t.stickiness);{const i=t;if("end"==e)e=i.maxOffset;else{if("before"==e)return this._createBefore(i,n);if("after"==e)return this._createAfter(i,n);if(0!==e&&!e)throw new hn.a("model-createpositionat-offset-required",[this,t])}if(!i.is("element")&&!i.is("documentFragment"))throw new hn.a("model-position-parent-incorrect",[this,t]);const o=i.getPath();return o.push(e),new this(i.root,o,n)}}static _createAfter(t,e){if(!t.parent)throw new hn.a("model-position-after-root",[this,t],{root:t});return this._createAt(t.parent,t.endOffset,e)}static _createBefore(t,e){if(!t.parent)throw new hn.a("model-position-before-root",t,{root:t});return this._createAt(t.parent,t.startOffset,e)}static fromJSON(t,e){if("$graveyard"===t.root){const n=new As(e.graveyard,t.path);return n.stickiness=t.stickiness,n}if(!e.getRoot(t.root))throw new hn.a("model-position-fromjson-no-root",e,{rootName:t.root});return new As(e.getRoot(t.root),t.path,t.stickiness)}}function Cs(t,e){const n=e.getChild(e.offsetToIndex(t.offset));return n&&n.is("$text")&&n.startOffset<t.offset?n:null}function Ts(t,e,n){return null!==n?null:e.getChild(e.offsetToIndex(t.offset))}function Ps(t,e,n){return null!==n?null:e.getChild(e.offsetToIndex(t.offset)-1)}class Es{constructor(t,e=null){this.start=As._createAt(t),this.end=e?As._createAt(e):As._createAt(t),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new ys({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==In(this.start.getParentPath(),this.end.getParentPath())}get root(){return this.start.root}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&i}containsItem(t){const e=As._createBefore(t);return this.containsPosition(e)||this.start.isEqual(e)}is(t){return"range"===t||"model:range"===t}isEqual(t){return this.start.isEqual(t.start)&&this.end.isEqual(t.end)}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new Es(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Es(t.end,this.end))):e.push(new Es(this.start,this.end)),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new Es(e,n)}return null}getJoined(t,e=!1){let n=this.isIntersecting(t);if(n||(n=this.start.isBefore(t.start)?e?this.end.isTouching(t.start):this.end.isEqual(t.start):e?t.end.isTouching(this.start):t.end.isEqual(this.start)),!n)return null;let i=this.start,o=this.end;return t.start.isBefore(i)&&(i=t.start),t.end.isAfter(o)&&(o=t.end),new Es(i,o)}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,n=As._createAt(this.start);let i=n.parent;for(;n.path.length>e+1;){const e=i.maxOffset-n.offset;0!==e&&t.push(new Es(n,n.getShiftedBy(e))),n.path=n.path.slice(0,-1),n.offset++,i=i.parent}for(;n.path.length<=this.end.path.length;){const e=this.end.path[n.path.length-1],i=e-n.offset;0!==i&&t.push(new Es(n,n.getShiftedBy(i))),n.offset=e,n.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new ys(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new ys(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new ys(t);yield e.position;for(const t of e)yield t.nextPosition}getTransformedByOperation(t){switch(t.type){case"insert":return this._getTransformedByInsertOperation(t);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(t);case"split":return[this._getTransformedBySplitOperation(t)];case"merge":return[this._getTransformedByMergeOperation(t)]}return[new Es(this.start,this.end)]}getTransformedByOperations(t){const e=[new Es(this.start,this.end)];for(const n of t)for(let t=0;t<e.length;t++){const i=e[t].getTransformedByOperation(n);e.splice(t,1,...i),t+=i.length-1}for(let t=0;t<e.length;t++){const n=e[t];for(let i=t+1;i<e.length;i++){const t=e[i];(n.containsRange(t)||t.containsRange(n)||n.isEqual(t))&&e.splice(i,1)}}return e}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;const t=this.start.nodeAfter,e=this.end.nodeBefore;return t&&t.is("element")&&t===e?t:null}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(t,e=!1){return this._getTransformedByInsertion(t.position,t.howMany,e)}_getTransformedByMoveOperation(t,e=!1){const n=t.sourcePosition,i=t.howMany,o=t.targetPosition;return this._getTransformedByMove(n,o,i,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let n=this.end._getTransformedBySplitOperation(t);return this.end.isEqual(t.insertionPosition)&&(n=this.end.getShiftedBy(1)),e.root!=n.root&&(n=this.end.getShiftedBy(-1)),new Es(e,n)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new Es(this.start);let e=this.start._getTransformedByMergeOperation(t),n=this.end._getTransformedByMergeOperation(t);return e.root!=n.root&&(n=this.end.getShiftedBy(-1)),e.isAfter(n)?(t.sourcePosition.isBefore(t.targetPosition)?(e=As._createAt(n),e.offset=0):(t.deletionPosition.isEqual(e)||(n=t.deletionPosition),e=t.targetPosition),new Es(e,n)):new Es(e,n)}_getTransformedByInsertion(t,e,n=!1){if(n&&this.containsPosition(t))return[new Es(this.start,t),new Es(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const n=new Es(this.start,this.end);return n.start=n.start._getTransformedByInsertion(t,e),n.end=n.end._getTransformedByInsertion(t,e),[n]}}_getTransformedByMove(t,e,n,i=!1){if(this.isCollapsed){const i=this.start._getTransformedByMove(t,e,n);return[new Es(i)]}const o=Es._createFromPositionAndShift(t,n),r=e._getTransformedByDeletion(t,n);if(this.containsPosition(e)&&!i&&(o.containsPosition(this.start)||o.containsPosition(this.end))){const i=this.start._getTransformedByMove(t,e,n),o=this.end._getTransformedByMove(t,e,n);return[new Es(i,o)]}let s;const a=this.getDifference(o);let c=null;const l=this.getIntersection(o);if(1==a.length?c=new Es(a[0].start._getTransformedByDeletion(t,n),a[0].end._getTransformedByDeletion(t,n)):2==a.length&&(c=new Es(this.start,this.end._getTransformedByDeletion(t,n))),s=c?c._getTransformedByInsertion(r,n,null!==l||i):[],l){const t=new Es(l.start._getCombined(o.start,r),l.end._getCombined(o.start,r));2==s.length?s.splice(1,0,t):s.push(t)}return s}_getTransformedByDeletion(t,e){let n=this.start._getTransformedByDeletion(t,e),i=this.end._getTransformedByDeletion(t,e);return null==n&&null==i?null:(null==n&&(n=t),null==i&&(i=t),new Es(n,i))}static _createFromPositionAndShift(t,e){const n=t,i=t.getShiftedBy(e);return e>0?new this(n,i):new this(i,n)}static _createIn(t){return new this(As._createAt(t,0),As._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(As._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new hn.a("range-create-from-ranges-empty-array",null);if(1==t.length)return t[0].clone();const e=t[0];t.sort((t,e)=>t.start.isAfter(e.start)?1:-1);const n=t.indexOf(e),i=new this(e.start,e.end);if(n>0)for(let e=n-1;t[e].end.isEqual(i.start);e++)i.start=As._createAt(t[e].start);for(let e=n+1;e<t.length&&t[e].start.isEqual(i.end);e++)i.end=As._createAt(t[e].end);return i}static fromJSON(t,e){return new this(As.fromJSON(t.start,e),As.fromJSON(t.end,e))}}class Ss{constructor(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._viewToModelLengthCallbacks=new Map,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set,this.on("modelToViewPosition",(t,e)=>{if(e.viewPosition)return;const n=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this.findPositionIn(n,e.modelPosition.offset)},{priority:"low"}),this.on("viewToModelPosition",(t,e)=>{if(e.modelPosition)return;const n=this.findMappedViewAncestor(e.viewPosition),i=this._viewToModelMapping.get(n),o=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=As._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);if(this._viewToModelMapping.delete(t),this._elementToMarkerNames.has(t))for(const e of this._elementToMarkerNames.get(t))this._unboundMarkerNames.add(e);this._modelToViewMapping.get(e)==t&&this._modelToViewMapping.delete(e)}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t),this._viewToModelMapping.get(e)==t&&this._viewToModelMapping.delete(e)}bindElementToMarker(t,e){const n=this._markerNameToElements.get(e)||new Set;n.add(t);const 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);n&&(n.delete(t),0==n.size&&this._markerNameToElements.delete(e));const i=this._elementToMarkerNames.get(t);i&&(i.delete(e),0==i.size&&this._elementToMarkerNames.delete(t))}flushUnboundMarkerNames(){const t=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),t}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set}toModelElement(t){return this._viewToModelMapping.get(t)}toViewElement(t){return this._modelToViewMapping.get(t)}toModelRange(t){return new Es(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new Xi(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};return this.fire("viewToModelPosition",e),e.modelPosition}toViewPosition(t,e={isPhantom:!1}){const n={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",n),n.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const n=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())n.add(e);else n.add(t);return n}registerViewToModelLength(t,e){this._viewToModelLengthCallbacks.set(t,e)}findMappedViewAncestor(t){let e=t.parent;for(;!this._viewToModelMapping.has(e);)e=e.parent;return e}_toModelOffset(t,e,n){if(n!=t){return this._toModelOffset(t.parent,t.index,n)+this._toModelOffset(t,e,t)}if(t.is("$text"))return e;let i=0;for(let n=0;n<e;n++)i+=this.getModelLength(t.getChild(n));return i}getModelLength(t){if(this._viewToModelLengthCallbacks.get(t.name)){return this._viewToModelLengthCallbacks.get(t.name)(t)}if(this._viewToModelMapping.has(t))return 1;if(t.is("$text"))return t.data.length;if(t.is("uiElement"))return 0;{let e=0;for(const n of t.getChildren())e+=this.getModelLength(n);return e}}findPositionIn(t,e){let n,i=0,o=0,r=0;if(t.is("$text"))return new Zi(t,e);for(;o<e;)n=t.getChild(r),i=this.getModelLength(n),o+=i,r++;return o==e?this._moveViewPositionToTextNode(new Zi(t,r)):this.findPositionIn(n,e-(o-i))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,n=t.nodeAfter;return e instanceof Rn?new Zi(e,e.data.length):n instanceof Rn?new Zi(n,0):t}}xn(Ss,mn);class Ms{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=Is(e),t instanceof ks&&(t=this._getSymbolForTextProxy(t)),this._consumable.has(t)||this._consumable.set(t,new Map),this._consumable.get(t).set(e,!0)}consume(t,e){return e=Is(e),t instanceof ks&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=Is(e),t instanceof ks&&(t=this._getSymbolForTextProxy(t));const n=this._consumable.get(t);if(void 0===n)return null;const i=n.get(e);return void 0===i?null:i}revert(t,e){e=Is(e),t instanceof ks&&(t=this._getSymbolForTextProxy(t));const n=this.test(t,e);return!1===n?(this._consumable.get(t).set(e,!0),!0):!0!==n&&null}_getSymbolForTextProxy(t){let e=null;const n=this._textProxyRegistry.get(t.startOffset);if(n){const i=n.get(t.endOffset);i&&(e=i.get(t.parent))}return e||(e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)),e}_addSymbolForTextProxy(t,e,n){const i=Symbol("textProxySymbol");let o,r;return o=this._textProxyRegistry.get(t),o||(o=new Map,this._textProxyRegistry.set(t,o)),r=o.get(e),r||(r=new Map,o.set(e,r)),r.set(n,i),i}}function Is(t){const e=t.split(":");return e.length>1?e[0]+":"+e[1]:e[0]}class Ns{constructor(t){this.conversionApi=Object.assign({dispatcher:this},t),this._reconversionEventsMapping=new Map}convertChanges(t,e,n){for(const e of t.getMarkersToRemove())this.convertMarkerRemove(e.name,e.range,n);const i=this._mapChangesWithAutomaticReconversion(t);for(const t of i)"insert"===t.type?this.convertInsert(Es._createFromPositionAndShift(t.position,t.length),n):"remove"===t.type?this.convertRemove(t.position,t.length,t.name,n):"reconvert"===t.type?this.reconvertElement(t.element,n):this.convertAttribute(t.range,t.attributeKey,t.attributeOldValue,t.attributeNewValue,n);for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const 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 Array.from(t).map(Rs))this._convertInsertWithAttributes(e);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={item:o.item,range:Es._createFromPositionAndShift(o.previousPosition,o.length),attributeKey:e,attributeOldValue:n,attributeNewValue:i};this._testAndFire("attribute:"+e,t)}this._clearConversionApi()}reconvertElement(t,e){const n=Es._createOn(t);this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(n);const i=this.conversionApi.mapper,o=i.toViewElement(t);e.remove(o),this._convertInsertWithAttributes({item:t,range:n});const r=i.toViewElement(t);for(const n of Es._createIn(t)){const{item:t}=n,o=Ds(t,i);o?o.root!==r.root&&e.move(e.createRangeOn(o),i.toViewPosition(As._createBefore(t))):this._convertInsertWithAttributes(Rs(n))}i.unbindViewElement(o),this._clearConversionApi()}convertSelection(t,e,n){const i=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=n,this.conversionApi.consumable=this._createSelectionConsumable(t,i),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of i){const n=e.getRange();if(!Os(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const i={item:t,markerName:e.name,markerRange:n};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)};this.conversionApi.consumable.test(t,"attribute:"+n.attributeKey)&&this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,n){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=n;const i="addMarker:"+t,o=new Ms;if(o.add(e,i),this.conversionApi.consumable=o,this.fire(i,{markerName:t,markerRange:e},this.conversionApi),o.test(e,i)){this.conversionApi.consumable=this._createConsumableForRange(e,i);for(const n of e.getItems()){if(!this.conversionApi.consumable.test(n,i))continue;const o={item:n,range:Es._createOn(n),markerName:t,markerRange:e};this.fire(i,o,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,n){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=n,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_mapReconversionTriggerEvent(t,e){this._reconversionEventsMapping.set(e,t)}_createInsertConsumable(t){const e=new Ms;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 Ms;for(const i of t.getItems())n.add(i,e);return n}_createSelectionConsumable(t,e){const n=new Ms;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){this.conversionApi.consumable.test(e.item,t)&&this.fire(function(t,e){const n=e.item.name||"$text";return`${t}:${n}`}(t,e),e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}_convertInsertWithAttributes(t){this._testAndFire("insert",t);for(const e of t.item.getAttributeKeys())t.attributeKey=e,t.attributeOldValue=null,t.attributeNewValue=t.item.getAttribute(e),this._testAndFire("attribute:"+e,t)}_mapChangesWithAutomaticReconversion(t){const e=new Set,n=[];for(const i of t.getChanges()){const t=i.position||i.range.start,o=t.parent;if(Cs(t,o)){n.push(i);continue}const r="attribute"===i.type?Ts(t,o,null):o;if(r.is("$text")){n.push(i);continue}let s;if(s="attribute"===i.type?`attribute:${i.attributeKey}:${r.name}`:`${i.type}:${i.name}`,this._isReconvertTriggerEvent(s,r.name)){if(e.has(r))continue;e.add(r),n.push({type:"reconvert",element:r})}else n.push(i)}return n}_isReconvertTriggerEvent(t,e){return this._reconversionEventsMapping.get(t)===e}}function Os(t,e,n){const i=e.getRange(),o=Array.from(t.getAncestors());o.shift(),o.reverse();return!o.some(t=>{if(i.containsItem(t)){return!!n.toViewElement(t).getCustomProperty("addHighlight")}})}function Rs(t){return{item:t.item,range:Es._createFromPositionAndShift(t.previousPosition,t.length)}}function Ds(t,e){if(t.is("textProxy")){const n=e.toViewPosition(As._createBefore(t)).parent;return n.is("$text")?n:null}return e.toViewElement(t)}xn(Ns,mn);class Ls{constructor(t,e,n){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,n)}get anchor(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.end:t.start}return null}get focus(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.start:t.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(t){if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const i of t._ranges)if(e.isEqual(i)){n=!0;break}if(!n)return!1}return!0}*getRanges(){for(const t of this._ranges)yield new Es(t.start,t.end)}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?new Es(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?new Es(t.start,t.end):null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}setTo(t,e,n){if(null===t)this._setRanges([]);else if(t instanceof Ls)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof Es)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof As)this._setRanges([new Es(t)]);else if(t instanceof bs){const i=!!n&&!!n.backward;let o;if("in"==e)o=Es._createIn(t);else if("on"==e)o=Es._createOn(t);else{if(void 0===e)throw new hn.a("model-selection-setto-required-second-parameter",[this,t]);o=new Es(As._createAt(t,e))}this._setRanges([o],i)}else{if(!yn(t))throw new hn.a("model-selection-setto-not-selectable",[this,t]);this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const n=(t=Array.from(t)).some(e=>{if(!(e instanceof Es))throw new hn.a("model-selection-set-ranges-not-range",[this,t]);return this._ranges.every(t=>!t.isEqual(e))});if(t.length!==this._ranges.length||n){this._removeAllRanges();for(const e of t)this._pushRange(e);this._lastRangeBackward=!!e,this.fire("change:range",{directChange:!0})}}setFocus(t,e){if(null===this.anchor)throw new hn.a("model-selection-setfocus-no-ranges",[this,t]);const n=As._createAt(t,e);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.length&&this._popRange(),"before"==n.compareWith(i)?(this._pushRange(new Es(n,i)),this._lastRangeBackward=!0):(this._pushRange(new Es(i,n)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){this.hasAttribute(t)&&(this._attrs.delete(t),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}setAttribute(t,e){this.getAttribute(t)!==e&&(this._attrs.set(t,e),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}is(t){return"selection"===t||"model:selection"===t}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=zs(e.start,t);n&&Bs(n,e)&&(yield n);for(const n of e.getWalker()){const i=n.item;"elementEnd"==n.type&&js(i,t,e)&&(yield i)}const i=zs(e.end,t);i&&!e.end.isTouching(As._createAt(i,0))&&Bs(i,e)&&(yield i)}}containsEntireContent(t=this.anchor.root){const e=As._createAt(t,0),n=As._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new Es(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++)if(t.isIntersecting(this._ranges[e]))throw new hn.a("model-selection-range-intersects",[this,t],{addedRange:t,intersectingRange:this._ranges[e]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function Vs(t,e){return!e.has(t)&&(e.add(t),t.root.document.model.schema.isBlock(t)&&t.parent)}function js(t,e,n){return Vs(t,e)&&Bs(t,n)}function zs(t,e){const n=t.parent.root.document.model.schema,i=t.parent.getAncestors({parentFirst:!0,includeSelf:!0});let o=!1;const r=i.find(t=>!o&&(o=n.isLimit(t),!o&&Vs(t,e)));return i.forEach(t=>e.add(t)),r}function Bs(t,e){const n=function(t){const e=t.root.document.model.schema;let n=t.parent;for(;n;){if(e.isBlock(n))return n;n=n.parent}}(t);if(!n)return!0;return!e.containsRange(Es._createOn(n),!0)}xn(Ls,mn);class Fs extends Es{constructor(t,e){super(t,e),Us.call(this)}detach(){this.stopListening()}is(t){return"liveRange"===t||"model:liveRange"===t||"range"==t||"model:range"===t}toRange(){return new Es(this.start,this.end)}static fromRange(t){return new Fs(t.start,t.end)}}function Us(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&Hs.call(this,n)},{priority:"low"})}function Hs(t){const e=this.getTransformedByOperation(t),n=Es._createFromRanges(e),i=!n.isEqual(this),o=function(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return!1}(this,t);let r=null;if(i){"$graveyard"==n.root.rootName&&(r="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=n.start,this.end=n.end,this.fire("change:range",e,{deletionPosition:r})}else o&&this.fire("change:content",this.toRange(),{deletionPosition:r})}xn(Fs,mn);class Ws{constructor(t){this._selection=new qs(t),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this),this._selection.delegate("change:marker").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(t){return this._selection.containsEntireContent(t)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(t){return this._selection.getAttribute(t)}hasAttribute(t){return this._selection.hasAttribute(t)}refresh(){this._selection._updateMarkers(),this._selection._updateAttributes(!1)}is(t){return"selection"===t||"model:selection"==t||"documentSelection"==t||"model:documentSelection"==t}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setAttribute(t,e){this._selection.setAttribute(t,e)}_removeAttribute(t){this._selection.removeAttribute(t)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(t){this._selection.restoreGravity(t)}static _getStoreAttributeKey(t){return"selection:"+t}static _isStoreAttributeKey(t){return t.startsWith("selection:")}}xn(Ws,mn);class qs extends Ls{constructor(t){super(),this.markers=new An({idProperty:"name"}),this._model=t.model,this._document=t,this._attributePriority=new Map,this._selectionRestorePosition=null,this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this.listenTo(this._model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&"marker"!=n.type&&"rename"!=n.type&&"noop"!=n.type&&(0==this._ranges.length&&this._selectionRestorePosition&&this._fixGraveyardSelection(this._selectionRestorePosition),this._selectionRestorePosition=null,this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1})))},{priority:"lowest"}),this.on("change:range",()=>{for(const t of this.getRanges())if(!this._document._validateSelectionRange(t))throw new hn.a("document-selection-wrong-position",this,{range:t})}),this.listenTo(this._model.markers,"update",()=>this._updateMarkers()),this.listenTo(this._document,"change",(t,e)=>{!function(t,e){const n=t.document.differ;for(const i of n.getChanges()){if("insert"!=i.type)continue;const n=i.position.parent;i.length===n.maxOffset&&t.enqueueChange(e,t=>{const e=Array.from(n.getAttributeKeys()).filter(t=>t.startsWith("selection:"));for(const i of e)t.removeAttribute(i,n)})}}(this._model,e)})}get isCollapsed(){return 0===this._ranges.length?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let t=0;t<this._ranges.length;t++)this._ranges[t].detach();this.stopListening()}*getRanges(){this._ranges.length?yield*super.getRanges():yield this._document._getDefaultRange()}getFirstRange(){return super.getFirstRange()||this._document._getDefaultRange()}getLastRange(){return super.getLastRange()||this._document._getDefaultRange()}setTo(t,e,n){super.setTo(t,e,n),this._updateAttributes(!0),this._updateMarkers()}setFocus(t,e){super.setFocus(t,e),this._updateAttributes(!0),this._updateMarkers()}setAttribute(t,e){if(this._setAttribute(t,e)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}removeAttribute(t){if(this._removeAttribute(t)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}overrideGravity(){const t=dn();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new hn.a("document-selection-gravity-wrong-restore",this,{uid:t});this._overriddenGravityRegister.delete(t),this.isGravityOverridden||this._updateAttributes(!0)}_popRange(){this._ranges.pop().detach()}_pushRange(t){const e=this._prepareRange(t);e&&this._ranges.push(e)}_prepareRange(t){if(this._checkRange(t),t.root==this._document.graveyard)return;const e=Fs.fromRange(t);return e.on("change:range",(t,n,i)=>{if(this._hasChangedRange=!0,e.root==this._document.graveyard){this._selectionRestorePosition=i.deletionPosition;const t=this._ranges.indexOf(e);this._ranges.splice(t,1),e.detach()}}),e}_updateMarkers(){const t=[];let e=!1;for(const e of this._model.markers){const n=e.getRange();for(const i of this.getRanges())n.containsRange(i,!i.isCollapsed)&&t.push(e)}const n=Array.from(this.markers);for(const n of t)this.markers.has(n)||(this.markers.add(n),e=!0);for(const n of Array.from(this.markers))t.includes(n)||(this.markers.remove(n),e=!0);e&&this.fire("change:marker",{oldMarkers:n,directChange:!1})}_updateAttributes(t){const e=Ln(this._getSurroundingAttributes()),n=Ln(this.getAttributes());if(t)this._attributePriority=new Map,this._attrs=new Map;else for(const[t,e]of this._attributePriority)"low"==e&&(this._attrs.delete(t),this._attributePriority.delete(t));this._setAttributesTo(e);const i=[];for(const[t,e]of this.getAttributes())n.has(t)&&n.get(t)===e||i.push(t);for(const[t]of n)this.hasAttribute(t)||i.push(t);i.length>0&&this.fire("change:attribute",{attributeKeys:i,directChange:!1})}_setAttribute(t,e,n=!0){const i=n?"normal":"low";if("low"==i&&"normal"==this._attributePriority.get(t))return!1;return super.getAttribute(t)!==e&&(this._attrs.set(t,e),this._attributePriority.set(t,i),!0)}_removeAttribute(t,e=!0){const n=e?"normal":"low";return("low"!=n||"normal"!=this._attributePriority.get(t))&&(this._attributePriority.set(t,n),!!super.hasAttribute(t)&&(this._attrs.delete(t),!0))}_setAttributesTo(t){const e=new Set;for(const[e,n]of this.getAttributes())t.get(e)!==n&&this._removeAttribute(e,!1);for(const[n,i]of t){this._setAttribute(n,i,!1)&&e.add(n)}return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())if(e.startsWith("selection:")){const n=e.substr("selection:".length);yield[n,t.getAttribute(e)]}}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let n=null;if(this.isCollapsed){const i=t.textNode?t.textNode:t.nodeBefore,o=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(n=$s(i)),n||(n=$s(o)),!this.isGravityOverridden&&!n){let t=i;for(;t&&!e.isInline(t)&&!n;)t=t.previousSibling,n=$s(t)}if(!n){let t=o;for(;t&&!e.isInline(t)&&!n;)t=t.nextSibling,n=$s(t)}n||(n=this._getStoredAttributes())}else{const t=this.getFirstRange();for(const i of t){if(i.item.is("element")&&e.isObject(i.item))break;if("text"==i.type){n=i.item.getAttributes();break}}}return n}_fixGraveyardSelection(t){const e=this._model.schema.getNearestSelectionRange(t);e&&this._pushRange(e)}}function $s(t){return t instanceof ks||t instanceof ws?t.getAttributes():null}class Ys{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers)t(e);return this}}var Gs=function(t){return tn(t,5)};class Ks extends Ys{elementToElement(t){return this.add(function(t){return(t=Gs(t)).view=Zs(t.view,"container"),e=>{var n;if(e.on("insert:"+t.model,(n=t.view,(t,e,i)=>{const o=n(e.item,i);if(!o)return;if(!i.consumable.consume(e.item,"insert"))return;const r=i.mapper.toViewPosition(e.range.start);i.mapper.bindElements(e.item,o),i.writer.insert(r,o)}),{priority:t.converterPriority||"normal"}),t.triggerBy){if(t.triggerBy.attributes)for(const n of t.triggerBy.attributes)e._mapReconversionTriggerEvent(t.model,`attribute:${n}:${t.model}`);if(t.triggerBy.children)for(const n of t.triggerBy.children)e._mapReconversionTriggerEvent(t.model,"insert:"+n),e._mapReconversionTriggerEvent(t.model,"remove:"+n)}}}(t))}attributeToElement(t){return this.add(function(t){t=Gs(t);let e="attribute:"+(t.model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=Zs(t.view[e],"attribute");else t.view=Zs(t.view,"attribute");const n=Xs(t);return i=>{i.on(e,function(t){return(e,n,i)=>{const o=t(n.attributeOldValue,i),r=t(n.attributeNewValue,i);if(!o&&!r)return;if(!i.consumable.consume(n.item,e.name))return;const s=i.writer,a=s.document.selection;if(n.item instanceof Ls||n.item instanceof Ws)s.wrap(a.getFirstRange(),r);else{let t=i.mapper.toViewRange(n.range);null!==n.attributeOldValue&&o&&(t=s.unwrap(t,o)),null!==n.attributeNewValue&&r&&s.wrap(t,r)}}}(n),{priority:t.converterPriority||"normal"})}}(t))}attributeToAttribute(t){return this.add(function(t){t=Gs(t);let e="attribute:"+(t.model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=ta(t.view[e]);else t.view=ta(t.view);const n=Xs(t);return i=>{var o;i.on(e,(o=n,(t,e,n)=>{const i=o(e.attributeOldValue,n),r=o(e.attributeNewValue,n);if(!i&&!r)return;if(!n.consumable.consume(e.item,t.name))return;const s=n.mapper.toViewElement(e.item),a=n.writer;if(!s)throw new hn.a("conversion-attribute-to-attribute-on-text",[e,n]);if(null!==e.attributeOldValue&&i)if("class"==i.key){const t=Array.isArray(i.value)?i.value:[i.value];for(const e of t)a.removeClass(e,s)}else if("style"==i.key){const t=Object.keys(i.value);for(const e of t)a.removeStyle(e,s)}else a.removeAttribute(i.key,s);if(null!==e.attributeNewValue&&r)if("class"==r.key){const t=Array.isArray(r.value)?r.value:[r.value];for(const e of t)a.addClass(e,s)}else if("style"==r.key){const t=Object.keys(r.value);for(const e of t)a.setStyle(e,r.value[e],s)}else a.setAttribute(r.key,r.value,s)}),{priority:t.converterPriority||"normal"})}}(t))}markerToElement(t){return this.add(function(t){return(t=Gs(t)).view=Zs(t.view,"ui"),e=>{var n;e.on("addMarker:"+t.model,(n=t.view,(t,e,i)=>{e.isOpening=!0;const o=n(e,i);e.isOpening=!1;const r=n(e,i);if(!o||!r)return;const s=e.markerRange;if(s.isCollapsed&&!i.consumable.consume(s,t.name))return;for(const e of s)if(!i.consumable.consume(e.item,t.name))return;const a=i.mapper,c=i.writer;c.insert(a.toViewPosition(s.start),o),i.mapper.bindElementToMarker(o,e.markerName),s.isCollapsed||(c.insert(a.toViewPosition(s.end),r),i.mapper.bindElementToMarker(r,e.markerName)),t.stop()}),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,(t.view,(t,e,n)=>{const i=n.mapper.markerNameToElements(e.markerName);if(i){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()}}),{priority:t.converterPriority||"normal"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{var n;e.on("addMarker:"+t.model,(n=t.view,(t,e,i)=>{if(!e.item)return;if(!(e.item instanceof Ls||e.item instanceof Ws||e.item.is("$textProxy")))return;const o=ea(n,e,i);if(!o)return;if(!i.consumable.consume(e.item,t.name))return;const r=i.writer,s=Qs(r,o),a=r.document.selection;if(e.item instanceof Ls||e.item instanceof Ws)r.wrap(a.getFirstRange(),s,a);else{const t=i.mapper.toViewRange(e.range),n=r.wrap(t,s);for(const t of n.getItems())if(t.is("attributeElement")&&t.isSimilar(s)){i.mapper.bindElementToMarker(t,e.markerName);break}}}),{priority:t.converterPriority||"normal"}),e.on("addMarker:"+t.model,function(t){return(e,n,i)=>{if(!n.item)return;if(!(n.item instanceof vs))return;const o=ea(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 Es._createIn(n.item))i.consumable.consume(t.item,e.name);r.getCustomProperty("addHighlight")(r,o,i.writer),i.mapper.bindElementToMarker(r,n.markerName)}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,function(t){return(e,n,i)=>{if(n.markerRange.isCollapsed)return;const o=ea(t,n,i);if(!o)return;const r=Qs(i.writer,o),s=i.mapper.markerNameToElements(n.markerName);if(s){for(const t of s)i.mapper.unbindElementFromMarkerName(t,n.markerName),t.is("attributeElement")?i.writer.unwrap(i.writer.createRangeOn(t),r):t.getCustomProperty("removeHighlight")(t,o.id,i.writer);i.writer.clearClonedElementsGroup(n.markerName),e.stop()}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}markerToData(t){return this.add(function(t){const e=(t=Gs(t)).model;t.view||(t.view=n=>({group:e,name:n.substr(t.model.length+1)}));return n=>{var i;n.on("addMarker:"+e,(i=t.view,(t,e,n)=>{const o=i(e.markerName,n);if(!o)return;const r=e.markerRange;n.consumable.consume(r,t.name)&&(Js(r,!1,n,e,o),Js(r,!0,n,e,o),t.stop())}),{priority:t.converterPriority||"normal"}),n.on("removeMarker:"+e,function(t){return(e,n,i)=>{const o=t(n.markerName,i);if(!o)return;const r=i.mapper.markerNameToElements(n.markerName);if(r){for(const t of r)i.mapper.unbindElementFromMarkerName(t,n.markerName),t.is("containerElement")?(s(`data-${o.group}-start-before`,t),s(`data-${o.group}-start-after`,t),s(`data-${o.group}-end-before`,t),s(`data-${o.group}-end-after`,t)):i.writer.clear(i.writer.createRangeOn(t),t);i.writer.clearClonedElementsGroup(n.markerName),e.stop()}function s(t,e){if(e.hasAttribute(t)){const n=new Set(e.getAttribute(t).split(","));n.delete(o.name),0==n.size?i.writer.removeAttribute(t,e):i.writer.setAttribute(t,Array.from(n).join(","),e)}}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}}function Qs(t,e){const n=t.createAttributeElement("span",e.attributes);return e.classes&&n._addClass(e.classes),e.priority&&(n._priority=e.priority),n._id=e.id,n}function Js(t,e,n,i,o){const r=e?t.start:t.end;if(n.schema.checkChild(r,"$text")){!function(t,e,n,i,o){const r=`${o.group}-${e?"start":"end"}`,s=o.name?{name:o.name}:null,a=n.writer.createUIElement(r,s);n.writer.insert(t,a),n.mapper.bindElementToMarker(a,i.markerName)}(n.mapper.toViewPosition(r),e,n,i,o)}else{let t,s;e&&r.nodeAfter||!e&&!r.nodeBefore?(t=r.nodeAfter,s=!0):(t=r.nodeBefore,s=!1);!function(t,e,n,i,o,r){const s=`data-${r.group}-${e?"start":"end"}-${n?"before":"after"}`,a=t.hasAttribute(s)?t.getAttribute(s).split(","):[];a.unshift(r.name),i.writer.setAttribute(s,a.join(","),t),i.mapper.bindElementToMarker(t,o.markerName)}(n.mapper.toViewElement(t),e,s,n,i,o)}}function Zs(t,e){return"function"==typeof t?t:(n,i)=>function(t,e,n){"string"==typeof t&&(t={name:t});let i;const o=e.writer,r=Object.assign({},t.attributes);if("container"==n)i=o.createContainerElement(t.name,r);else if("attribute"==n){const e={priority:t.priority||ro.DEFAULT_PRIORITY};i=o.createAttributeElement(t.name,r,e)}else i=o.createUIElement(t.name,r);if(t.styles){const e=Object.keys(t.styles);for(const n of e)o.setStyle(n,t.styles[n],i)}if(t.classes){const e=t.classes;if("string"==typeof e)o.addClass(e,i);else for(const t of e)o.addClass(t,i)}return i}(t,i,e)}function Xs(t){return t.model.values?(e,n)=>{const i=t.view[e];return i?i(e,n):null}:t.view}function ta(t){return"string"==typeof t?e=>({key:t,value:e}):"object"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}function ea(t,e,n){const i="function"==typeof t?t(e,n):t;return i?(i.priority||(i.priority=10),i.id||(i.id=e.markerName),i):null}function na(t){const{schema:e,document:n}=t.model;for(const i of n.getRootNames()){const o=n.getRoot(i);if(o.isEmpty&&!e.checkChild(o,"$text")&&e.checkChild(o,"paragraph"))return t.insertElement("paragraph",o),!0}return!1}function ia(t,e,n){const i=n.createContext(t);return!!n.checkChild(i,"paragraph")&&!!n.checkChild(i.push("paragraph"),e)}function oa(t,e){const n=e.createElement("paragraph");return e.insert(n,t),e.createPositionAt(n,0)}class ra extends Ys{elementToElement(t){return this.add(sa(t))}elementToAttribute(t){return this.add(function(t){la(t=Gs(t));const e=da(t,!1),n=aa(t.view),i=n?"element:"+n:"element";return n=>{n.on(i,e,{priority:t.converterPriority||"low"})}}(t))}attributeToAttribute(t){return this.add(function(t){t=Gs(t);let e=null;("string"==typeof t.view||t.view.key)&&(e=function(t){"string"==typeof t.view&&(t.view={key:t.view});const e=t.view.key;let n;if("class"==e||"style"==e){n={["class"==e?"classes":"styles"]:t.view.value}}else{const i=void 0===t.view.value?/[\s\S]*/:t.view.value;n={attributes:{[e]:i}}}t.view.name&&(n.name=t.view.name);return t.view=n,e}(t));la(t,e);const n=da(t,!0);return e=>{e.on("element",n,{priority:t.converterPriority||"low"})}}(t))}elementToMarker(t){return Object(hn.c)("upcast-helpers-element-to-marker-deprecated"),this.add(function(t){return function(t){const e=t.model;t.model=(t,n)=>{const i="string"==typeof e?e:e(t,n);return n.writer.createElement("$marker",{"data-name":i})}}(t=Gs(t)),sa(t)}(t))}dataToMarker(t){return this.add(function(t){(t=Gs(t)).model||(t.model=e=>e?t.view+":"+e:t.view);const e=ca(ua(t,"start")),n=ca(ua(t,"end"));return i=>{i.on("element:"+t.view+"-start",e,{priority:t.converterPriority||"normal"}),i.on("element:"+t.view+"-end",n,{priority:t.converterPriority||"normal"});const o=un.get("low"),r=un.get("highest"),s=un.get(t.converterPriority)/r;i.on("element",function(t){return(e,n,i)=>{const o="data-"+t.view;function r(e,o){for(const r of o){const o=t.model(r,i),s=i.writer.createElement("$marker",{"data-name":o});i.writer.insert(s,e),n.modelCursor.isEqual(e)?n.modelCursor=n.modelCursor.getShiftedBy(1):n.modelCursor=n.modelCursor._getTransformedByInsertion(e,1),n.modelRange=n.modelRange._getTransformedByInsertion(e,1)[0]}}n.modelRange||(n=Object.assign(n,i.convertChildren(n.viewItem,n.modelCursor))),i.consumable.consume(n.viewItem,{attributes:o+"-end-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(o+"-end-after").split(",")),i.consumable.consume(n.viewItem,{attributes:o+"-start-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(o+"-start-after").split(",")),i.consumable.consume(n.viewItem,{attributes:o+"-end-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(o+"-end-before").split(",")),i.consumable.consume(n.viewItem,{attributes:o+"-start-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(o+"-start-before").split(","))}}(t),{priority:o+s})}}(t))}}function sa(t){const e=ca(t=Gs(t)),n=aa(t.view),i=n?"element:"+n:"element";return n=>{n.on(i,e,{priority:t.converterPriority||"normal"})}}function aa(t){return"string"==typeof t?t:"object"==typeof t&&"string"==typeof t.name?t.name:null}function ca(t){const e=new Vn(t.view);return(n,i,o)=>{const r=e.match(i.viewItem);if(!r)return;const s=r.match;if(s.name=!0,!o.consumable.test(i.viewItem,s))return;const a=function(t,e,n){return t instanceof Function?t(e,n):n.writer.createElement(t)}(t.model,i.viewItem,o);a&&o.safeInsert(a,i.modelCursor)&&(o.consumable.consume(i.viewItem,s),o.convertChildren(i.viewItem,a),o.updateConversionResult(a,i))}}function la(t,e=null){const n=null===e||(t=>t.getAttribute(e)),i="object"!=typeof t.model?t.model:t.model.key,o="object"!=typeof t.model||void 0===t.model.value?n:t.model.value;t.model={key:i,value:o}}function da(t,e){const n=new Vn(t.view);return(i,o,r)=>{const s=n.match(o.viewItem);if(!s)return;const a=t.model.key,c="function"==typeof t.model.value?t.model.value(o.viewItem,r):t.model.value;if(null===c)return;if(!function(t,e){const n="function"==typeof t?t(e):t;if("object"==typeof n&&!aa(n))return!1;return!n.classes&&!n.attributes&&!n.styles}(t.view,o.viewItem)?delete s.match.name:s.match.name=!0,!r.consumable.test(o.viewItem,s.match))return;o.modelRange||(o=Object.assign(o,r.convertChildren(o.viewItem,o.modelCursor)));(function(t,e,n,i){let o=!1;for(const r of Array.from(t.getItems({shallow:n})))i.schema.checkAttribute(r,e.key)&&(i.writer.setAttribute(e.key,e.value,r),o=!0);return o})(o.modelRange,{key:a,value:c},e,r)&&r.consumable.consume(o.viewItem,s.match)}}function ua(t,e){const n={};return n.view=t.view+"-"+e,n.model=(e,n)=>{const i=e.getAttribute("name"),o=t.model(i,n);return n.writer.createElement("$marker",{"data-name":o})},n}class ha{constructor(t,e){this.model=t,this.view=new ps(e),this.mapper=new Ss,this.downcastDispatcher=new Ns({mapper:this.mapper,schema:t.schema});const n=this.model.document,i=n.selection,o=this.model.markers;this.listenTo(this.model,"_beforeChanges",()=>{this.view._disableRendering(!0)},{priority:"highest"}),this.listenTo(this.model,"_afterChanges",()=>{this.view._disableRendering(!1)},{priority:"lowest"}),this.listenTo(n,"change",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(n.differ,o,t),this.downcastDispatcher.convertSelection(i,o,t)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(n,i)=>{const o=i.newSelection,r=[];for(const t of o.getRanges())r.push(e.toModelRange(t));const s=t.createSelection(r,{backward:o.isBackward});s.isEqual(t.document.selection)||t.change(t=>{t.setSelection(s)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const i=n.writer,o=n.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(o,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(t,e,n)=>{const i=n.mapper.toViewPosition(e.position),o=e.position.getShiftedBy(e.length),r=n.mapper.toViewPosition(o,{isPhantom:!0}),s=n.writer.createRange(i,r),a=n.writer.remove(s.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(t)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const i=n.writer,o=i.document.selection;for(const t of o.getRanges())t.isCollapsed&&t.end.parent.isAttached()&&n.writer.mergeAttributes(t.start);i.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const i=e.selection;if(i.isCollapsed)return;if(!n.consumable.consume(i,"selection"))return;const o=[];for(const t of i.getRanges()){const e=n.mapper.toViewRange(t);o.push(e)}n.writer.setSelection(o,{backward:i.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const i=e.selection;if(!i.isCollapsed)return;if(!n.consumable.consume(i,"selection"))return;const o=n.writer,r=i.getFirstPosition(),s=n.mapper.toViewPosition(r),a=o.breakAttributes(s);o.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(t=>{if("$graveyard"==t.rootName)return null;const e=new Qi(this.view.document,t.name);return e.rootName=t.rootName,this.mapper.bindElements(t,e),e})}destroy(){this.view.destroy(),this.stopListening()}}xn(ha,Ui);class fa{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 hn.a("commandcollection-command-not-found",this,{commandName:t});return n.execute(...e)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const t of this.commands())t.destroy()}}class ga{constructor(){this._consumables=new Map}add(t,e){let n;t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?n=this._consumables.get(t):(n=new ma(t),this._consumables.set(t,n)),n.add(e))}test(t,e){const n=this._consumables.get(t);return void 0===n?null:t.is("$text")||t.is("documentFragment")?n:n.test(e)}consume(t,e){return!!this.test(t,e)&&(t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!1):this._consumables.get(t).consume(e),!0)}revert(t,e){const n=this._consumables.get(t);void 0!==n&&(t.is("$text")||t.is("documentFragment")?this._consumables.set(t,!0):n.revert(e))}static consumablesFromElement(t){const e={element:t,name:!0,attributes:[],classes:[],styles:[]},n=t.getAttributeKeys();for(const t of n)"style"!=t&&"class"!=t&&e.attributes.push(t);const 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 ga(t)),t.is("$text"))return e.add(t),e;t.is("element")&&e.add(t,ga.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const n of t.getChildren())e=ga.createFrom(n,e);return e}}class ma{constructor(t){this.element=t,this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._add(e,t[e])}test(t){if(t.name&&!this._canConsumeName)return this._canConsumeName;for(const e in this._consumables)if(e in t){const n=this._test(e,t[e]);if(!0!==n)return n}return!0}consume(t){t.name&&(this._canConsumeName=!1);for(const e in this._consumables)e in t&&this._consume(e,t[e])}revert(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._revert(e,t[e])}_add(t,e){const n=Dt(e)?e:[e],i=this._consumables[t];for(const e of n){if("attributes"===t&&("class"===e||"style"===e))throw new hn.a("viewconsumable-invalid-attribute",this);if(i.set(e,!0),"styles"===t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))i.set(t,!0)}}_test(t,e){const n=Dt(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){const t=i.get(e);if(void 0===t)return null;if(!t)return!1}else{const t="class"==e?"classes":"styles",n=this._test(t,[...this._consumables[t].keys()]);if(!0!==n)return n}return!0}_consume(t,e){const n=Dt(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){if(i.set(e,!1),"styles"==t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))i.set(t,!1)}else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const n=Dt(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){!1===i.get(e)&&i.set(e,!0)}else{const t="class"==e?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}}}class pa{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",(t,e)=>{e[0]=new ba(e[0])},{priority:"highest"}),this.on("checkChild",(t,e)=>{e[0]=new ba(e[0]),e[1]=this.getDefinition(e[1])},{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t])throw new hn.a("schema-cannot-register-item-twice",this,{itemName:t});this._sourceDefinitions[t]=[Object.assign({},e)],this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t])throw new hn.a("schema-cannot-extend-missing-item",this,{itemName:t});this._sourceDefinitions[t].push(Object.assign({},e)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(t){let e;return e="string"==typeof t?t:t.is&&(t.is("$text")||t.is("$textProxy"))?"$text":t.name,this.getDefinitions()[e]}isRegistered(t){return!!this.getDefinition(t)}isBlock(t){const e=this.getDefinition(t);return!(!e||!e.isBlock)}isLimit(t){const e=this.getDefinition(t);return!!e&&!(!e.isLimit&&!e.isObject)}isObject(t){const e=this.getDefinition(t);return!!e&&!!(e.isObject||e.isLimit&&e.isSelectable&&e.isContent)}isInline(t){const e=this.getDefinition(t);return!(!e||!e.isInline)}isSelectable(t){const e=this.getDefinition(t);return!!e&&!(!e.isSelectable&&!e.isObject)}isContent(t){const e=this.getDefinition(t);return!!e&&!(!e.isContent&&!e.isObject)}checkChild(t,e){return!!e&&this._checkContextMatch(e,t)}checkAttribute(t,e){const n=this.getDefinition(t.last);return!!n&&n.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof As){const e=t.nodeBefore,n=t.nodeAfter;if(!(e instanceof vs))throw new hn.a("schema-check-merge-no-element-before",this);if(!(n instanceof vs))throw new hn.a("schema-check-merge-no-element-after",this);return this.checkMerge(e,n)}for(const n of e.getChildren())if(!this.checkChild(t,n))return!1;return!0}addChildCheck(t){this.on("checkChild",(e,[n,i])=>{if(!i)return;const o=t(n,i);"boolean"==typeof o&&(e.stop(),e.return=o)},{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",(e,[n,i])=>{const o=t(n,i);"boolean"==typeof o&&(e.stop(),e.return=o)},{priority:"high"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;if(t instanceof As)e=t.parent;else{e=(t instanceof Es?[t]:Array.from(t.getRanges())).reduce((t,e)=>{const n=e.getCommonAncestor();return t?t.getCommonAncestor(n,{includeSelf:!0}):n},null)}for(;!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=[...t.getFirstPosition().getAncestors(),new ws("",t.getAttributes())];return this.checkAttribute(n,e)}{const n=t.getRanges();for(const t of n)for(const n of t)if(this.checkAttribute(n.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const n of t)yield*this._getValidRangesForRange(n,e)}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new Es(t);let n,i;const o=t.getAncestors().reverse().find(t=>this.isLimit(t))||t.root;"both"!=e&&"backward"!=e||(n=new ys({boundaries:Es._createIn(o),startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(i=new ys({boundaries:Es._createIn(o),startPosition:t}));for(const t of function*(t,e){let n=!1;for(;!n;){if(n=!0,t){const e=t.next();e.done||(n=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(n=!1,yield{walker:e,value:t.value})}}}(n,i)){const e=t.walker==n?"elementEnd":"elementStart",i=t.value;if(i.type==e&&this.isObject(i.item))return Es._createOn(i.item);if(this.checkChild(i.nextPosition,"$text"))return new Es(i.nextPosition)}return null}findAllowedParent(t,e){let n=t.parent;for(;n;){if(this.checkChild(n,e))return n;if(this.isLimit(n))return null;n=n.parent}return null}removeDisallowedAttributes(t,e){for(const n of t)if(n.is("$text"))Ea(this,n,e);else{const t=Es._createIn(n).getPositions();for(const n of t){Ea(this,n.nodeBefore||n.parent,e)}}}createContext(t){return new ba(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,n=Object.keys(e);for(const i of n)t[i]=wa(e[i],i);for(const e of n)ka(t,e);for(const e of n)_a(t,e);for(const e of n)va(t,e),ya(t,e);for(const e of n)xa(t,e),Aa(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,n=e.length-1){const i=e.getItem(n);if(t.allowIn.includes(i.name)){if(0==n)return!0;{const t=this.getDefinition(i);return this._checkContextMatch(t,e,n-1)}}return!1}*_getValidRangesForRange(t,e){let n=t.start,i=t.start;for(const o of t.getItems({shallow:!0}))o.is("element")&&(yield*this._getValidRangesForRange(Es._createIn(o),e)),this.checkAttribute(o,e)||(n.isEqual(i)||(yield new Es(n,i)),n=As._createAfter(o)),i=As._createAfter(o);n.isEqual(i)||(yield new Es(n,i))}}xn(pa,Ui);class ba{constructor(t){if(t instanceof ba)return t;"string"==typeof t?t=[t]:Array.isArray(t)||(t=t.getAncestors({includeSelf:!0})),t[0]&&"string"!=typeof t[0]&&t[0].is("documentFragment")&&t.shift(),this._items=t.map(Pa)}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 ba([t]);return e._items=[...this._items,...e._items],e}getItem(t){return this._items[t]}*getNames(){yield*this._items.map(t=>t.name)}endsWith(t){return Array.from(this.getNames()).join(" ").endsWith(t)}startsWith(t){return Array.from(this.getNames()).join(" ").startsWith(t)}}function wa(t,e){const n={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(t,e){for(const n of t){const t=Object.keys(n).filter(t=>t.startsWith("is"));for(const i of t)e[i]=n[i]}}(t,n),Ca(t,n,"allowIn"),Ca(t,n,"allowContentOf"),Ca(t,n,"allowWhere"),Ca(t,n,"allowAttributes"),Ca(t,n,"allowAttributesOf"),Ca(t,n,"inheritTypesFrom"),function(t,e){for(const n of t){const t=n.inheritAllFrom;t&&(e.allowContentOf.push(t),e.allowWhere.push(t),e.allowAttributesOf.push(t),e.inheritTypesFrom.push(t))}}(t,n),n}function ka(t,e){for(const n of t[e].allowContentOf)if(t[n]){Ta(t,n).forEach(t=>{t.allowIn.push(e)})}delete t[e].allowContentOf}function _a(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 va(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 ya(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)e in n||(n[e]=i[e])}}delete n.inheritTypesFrom}function xa(t,e){const n=t[e],i=n.allowIn.filter(e=>t[e]);n.allowIn=Array.from(new Set(i))}function Aa(t,e){const n=t[e];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function Ca(t,e,n){for(const i of t)"string"==typeof i[n]?e[n].push(i[n]):Array.isArray(i[n])&&e[n].push(...i[n])}function Ta(t,e){const n=t[e];return(i=t,Object.keys(i).map(t=>i[t])).filter(t=>t.allowIn.includes(n.name));var i}function Pa(t){return"string"==typeof t?{name:t,*getAttributeKeys(){},getAttribute(){}}:{name:t.is("element")?t.name:"$text",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute:e=>t.getAttribute(e)}}function Ea(t,e,n){for(const i of e.getAttributeKeys())t.checkAttribute(e,i)||n.removeAttribute(i,e)}class Sa{constructor(t={}){this._splitParts=new Map,this._cursorParents=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},t),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.safeInsert=this._safeInsert.bind(this),this.conversionApi.updateConversionResult=this._updateConversionResult.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let n;for(const i of new ba(t)){const t={};for(const e of i.getAttributeKeys())t[e]=i.getAttribute(e);const o=e.createElement(i.name,t);n&&e.append(o,n),n=As._createAt(o,0)}return n}(n,e),this.conversionApi.writer=e,this.conversionApi.consumable=ga.createFrom(t),this.conversionApi.store={};const{modelRange:i}=this._convertItem(t,this._modelCursor),o=e.createDocumentFragment();if(i){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,o);o.markers=function(t,e){const n=new Set,i=new Map,o=Es._createIn(t).getItems();for(const t of o)"$marker"==t.name&&n.add(t);for(const t of n){const n=t.getAttribute("data-name"),o=e.createPositionBefore(t);i.has(n)?i.get(n).end=o.clone():i.set(n,new Es(o.clone())),e.remove(t)}return i}(o,e)}return this._modelCursor=null,this._splitParts.clear(),this._cursorParents.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,o}_convertItem(t,e){const n=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")?this.fire("element:"+t.name,n,this.conversionApi):t.is("$text")?this.fire("text",n,this.conversionApi):this.fire("documentFragment",n,this.conversionApi),n.modelRange&&!(n.modelRange instanceof Es))throw new hn.a("view-conversion-dispatcher-incorrect-result",this);return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(t,e){let n=e.is("position")?e:As._createAt(e,0);const i=new Es(n);for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,n);t.modelRange instanceof Es&&(i.end=t.modelRange.end,n=t.modelCursor)}return{modelRange:i,modelCursor:n}}_safeInsert(t,e){const n=this._splitToAllowedParent(t,e);return!!n&&(this.conversionApi.writer.insert(t,n.position),!0)}_updateConversionResult(t,e){const n=this._getSplitParts(t),i=this.conversionApi.writer;e.modelRange||(e.modelRange=i.createRange(i.createPositionBefore(t),i.createPositionAfter(n[n.length-1])));const o=this._cursorParents.get(t);e.modelCursor=o?i.createPositionAt(o,0):e.modelRange.end}_splitToAllowedParent(t,e){const{schema:n,writer:i}=this.conversionApi;let o=n.findAllowedParent(e,t);if(o){if(o===e.parent)return{position:e};this._modelCursor.parent.getAncestors().includes(o)&&(o=null)}if(!o)return ia(e,t,n)?{position:oa(e,i)}:null;const r=this.conversionApi.writer.split(e,o),s=[];for(const t of r.range.getWalker())if("elementEnd"==t.type)s.push(t.item);else{const e=s.pop(),n=t.item;this._registerSplitPair(e,n)}const a=r.range.end.parent;return this._cursorParents.set(t,a),{position:r.position,cursorParent:a}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const n=this._splitParts.get(t);this._splitParts.set(e,n),n.push(e)}_getSplitParts(t){let e;return e=this._splitParts.has(t)?this._splitParts.get(t):[t],e}_removeEmptyElements(){let t=!1;for(const e of this._splitParts.keys())e.isEmpty&&(this.conversionApi.writer.remove(e),this._splitParts.delete(e),t=!0);t&&this._removeEmptyElements()}}xn(Sa,mn);class Ma{constructor(t,e){this.model=t,this.stylesProcessor=e,this.processor=void 0,this.mapper=new Ss,this.downcastDispatcher=new Ns({mapper:this.mapper,schema:t.schema}),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const i=n.writer,o=n.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(o,r)},{priority:"lowest"}),this.upcastDispatcher=new Sa({schema:t.schema}),this.viewDocument=new oo(e),this._viewWriter=new So(this.viewDocument),this.upcastDispatcher.on("text",(t,e,{schema:n,consumable:i,writer:o})=>{let r=e.modelCursor;if(!i.test(e.viewItem))return;if(!n.checkChild(r,"$text")){if(!ia(r,"$text",n))return;r=oa(r,o)}i.consume(e.viewItem);const s=o.createText(e.viewItem.data);o.insert(s,r),e.modelRange=o.createRange(r,r.getShiftedBy(s.offsetSize)),e.modelCursor=e.modelRange.end},{priority:"lowest"}),this.upcastDispatcher.on("element",(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{priority:"lowest"}),this.decorate("init"),this.decorate("set"),this.on("init",()=>{this.fire("ready")},{priority:"lowest"}),this.on("ready",()=>{this.model.enqueueChange("transparent",na)},{priority:"lowest"})}get(t={}){const{rootName:e="main",trim:n="empty"}=t;if(!this._checkIfRootsExists([e]))throw new hn.a("datacontroller-get-non-existent-root",this);const i=this.model.document.getRoot(e);return"empty"!==n||this.model.hasContent(i,{ignoreWhitespaces:!0})?this.stringify(i,t):""}stringify(t,e){const n=this.toView(t,e);return this.processor.toData(n)}toView(t,e){const n=this.viewDocument,i=this._viewWriter;this.mapper.clearBindings();const o=Es._createIn(t),r=new Eo(n);if(this.mapper.bindElements(t,r),this.downcastDispatcher.conversionApi.options=e,this.downcastDispatcher.convertInsert(o,i),!t.is("documentFragment")){const e=function(t){const e=[],n=t.root.document;if(!n)return[];const i=Es._createIn(t);for(const t of n.model.markers){const n=i.getIntersection(t.getRange());n&&e.push([t.name,n])}return e}(t);for(const[t,n]of e)this.downcastDispatcher.convertMarkerAdd(t,n,i)}return delete this.downcastDispatcher.conversionApi.options,r}init(t){if(this.model.document.version)throw new hn.a("datacontroller-init-document-not-empty",this);let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new hn.a("datacontroller-init-non-existent-root",this);return 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)}}),Promise.resolve()}set(t){let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new hn.a("datacontroller-set-non-existent-root",this);this.model.enqueueChange("transparent",t=>{t.setSelection(null),t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const n of Object.keys(e)){const 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))}addStyleProcessorRules(t){t(this.stylesProcessor)}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t)if(!this.model.document.getRootNames().includes(e))return!1;return!0}}xn(Ma,Ui);class Ia{constructor(t,e){this._helpers=new Map,this._downcast=Array.isArray(t)?t:[t],this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=Array.isArray(e)?e:[e],this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(t,e){const n=this._downcast.includes(e);if(!this._upcast.includes(e)&&!n)throw new hn.a("conversion-add-alias-dispatcher-not-registered",this);this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:n})}for(t){if(!this._helpers.has(t))throw new hn.a("conversion-for-unknown-group",this);return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:n}of Na(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 Na(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 Na(t))this.for("upcast").attributeToAttribute({view:n,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t))throw new hn.a("conversion-group-exists",this);const i=n?new Ks(e):new ra(e);this._helpers.set(t,i)}}function*Na(t){if(t.model.values)for(const e of t.model.values){const n={key:t.model.key,value:e},i=t.view[e],o=t.upcastAlso?t.upcastAlso[e]:void 0;yield*Oa(n,i,o)}else yield*Oa(t.model,t.view,t.upcastAlso)}function*Oa(t,e,n){if(yield{model:t,view:e},n){n=Array.isArray(n)?n:[n];for(const e of n)yield{model:t,view:e}}}class Ra{constructor(t="default"){this.operations=[],this.type=t}get baseVersion(){for(const t of this.operations)if(null!==t.baseVersion)return t.baseVersion;return null}addOperation(t){return t.batch=this,this.operations.push(t),t}}class Da{constructor(t){this.baseVersion=t,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);return t.__className=this.constructor.className,delete t.batch,delete t.isDocumentOperation,t}static get className(){return"Operation"}static fromJSON(t){return new this(t.baseVersion)}}class La{constructor(t){this.markers=new Map,this._children=new _s,t&&this._insertChild(0,t)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"===t||"model:documentFragment"===t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}getPath(){return[]}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}offsetToIndex(t){return this._children.offsetToIndex(t)}toJSON(){const t=[];for(const e of this._children)t.push(e.toJSON());return t}static fromJSON(t){const e=[];for(const n of t)n.name?e.push(vs.fromJSON(n)):e.push(ws.fromJSON(n));return new La(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if("string"==typeof t)return[new ws(t)];yn(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new ws(t):t instanceof ks?new ws(t.data,t.getAttributes()):t)}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}}function Va(t,e){const n=(e=Ba(e)).reduce((t,e)=>t+e.offsetSize,0),i=t.parent;Ua(t);const o=t.index;return i._insertChild(o,e),Fa(i,o+e.length),Fa(i,o),new Es(t,t.getShiftedBy(n))}function ja(t){if(!t.isFlat)throw new hn.a("operation-utils-remove-range-not-flat",this);const e=t.start.parent;Ua(t.start),Ua(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);return Fa(e,t.start.index),n}function za(t,e){if(!t.isFlat)throw new hn.a("operation-utils-move-range-not-flat",this);const n=ja(t);return Va(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),n)}function Ba(t){const e=[];t instanceof Array||(t=[t]);for(let n=0;n<t.length;n++)if("string"==typeof t[n])e.push(new ws(t[n]));else if(t[n]instanceof ks)e.push(new ws(t[n].data,t[n].getAttributes()));else if(t[n]instanceof La||t[n]instanceof _s)for(const i of t[n])e.push(i);else t[n]instanceof bs&&e.push(t[n]);for(let t=1;t<e.length;t++){const n=e[t],i=e[t-1];n instanceof ws&&i instanceof ws&&Ha(n,i)&&(e.splice(t-1,2,new ws(i.data+n.data,i.getAttributes())),t--)}return e}function Fa(t,e){const n=t.getChild(e-1),i=t.getChild(e);if(n&&i&&n.is("$text")&&i.is("$text")&&Ha(n,i)){const o=new ws(n.data+i.data,n.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,o)}}function Ua(t){const e=t.textNode,n=t.parent;if(e){const i=t.offset-e.startOffset,o=e.index;n._removeChildren(o,1);const r=new ws(e.data.substr(0,i),e.getAttributes()),s=new ws(e.data.substr(i),e.getAttributes());n._insertChild(o,[r,s])}}function Ha(t,e){const n=t.getAttributes(),i=e.getAttributes();for(const t of n){if(t[1]!==e.getAttribute(t[0]))return!1;i.next()}return i.next().done}var Wa=function(t,e){return Or(t,e)};class qa extends Da{constructor(t,e,n,i,o){super(o),this.range=t.clone(),this.key=e,this.oldValue=void 0===n?null:n,this.newValue=void 0===i?null:i}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new qa(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new qa(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const t=super.toJSON();return t.range=this.range.toJSON(),t}_validate(){if(!this.range.isFlat)throw new hn.a("attribute-operation-range-not-flat",this);for(const t of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!Wa(t.getAttribute(this.key),this.oldValue))throw new hn.a("attribute-operation-wrong-old-value",this,{item:t,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&t.hasAttribute(this.key))throw new hn.a("attribute-operation-attribute-exists",this,{node:t,key:this.key})}}_execute(){Wa(this.oldValue,this.newValue)||function(t,e,n){Ua(t.start),Ua(t.end);for(const i of t.getItems({shallow:!0})){const t=i.is("$textProxy")?i.textNode:i;null!==n?t._setAttribute(e,n):t._removeAttribute(e),Fa(t.parent,t.index)}Fa(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(t,e){return new qa(Es.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class $a extends Da{constructor(t,e){super(null),this.sourcePosition=t.clone(),this.howMany=e}get type(){return"detach"}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t}_validate(){if(this.sourcePosition.root.document)throw new hn.a("detach-operation-on-document-node",this)}_execute(){ja(Es._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class Ya extends Da{constructor(t,e,n,i){super(i),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toNext",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const t=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new this.constructor(this.getMovedRangeStart(),this.howMany,t,this.baseVersion+1)}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent,n=this.sourcePosition.offset,i=this.targetPosition.offset;if(n+this.howMany>t.maxOffset)throw new hn.a("move-operation-nodes-do-not-exist",this);if(t===e&&n<i&&i<n+this.howMany)throw new hn.a("move-operation-range-into-itself",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==In(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=n&&this.targetPosition.path[t]<n+this.howMany)throw new hn.a("move-operation-node-into-itself",this)}}_execute(){za(Es._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t.targetPosition=this.targetPosition.toJSON(),t}static get className(){return"MoveOperation"}static fromJSON(t,e){const n=As.fromJSON(t.sourcePosition,e),i=As.fromJSON(t.targetPosition,e);return new this(n,t.howMany,i,t.baseVersion)}}class Ga extends Da{constructor(t,e,n){super(n),this.position=t.clone(),this.position.stickiness="toNone",this.nodes=new _s(Ba(e)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const t=new _s([...this.nodes].map(t=>t._clone(!0))),e=new Ga(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new As(t,[0]);return new Ya(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new hn.a("insert-operation-position-invalid",this)}_execute(){const t=this.nodes;this.nodes=new _s([...t].map(t=>t._clone(!0))),Va(this.position,t)}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t.nodes=this.nodes.toJSON(),t}static get className(){return"InsertOperation"}static fromJSON(t,e){const n=[];for(const e of t.nodes)e.name?n.push(vs.fromJSON(e)):n.push(ws.fromJSON(e));const i=new Ga(As.fromJSON(t.position,e),n,t.baseVersion);return i.shouldReceiveAttributes=t.shouldReceiveAttributes,i}}class Ka extends Da{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 Ka(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new Ka(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const t=this.newRange?"_set":"_remove";this._markers[t](this.name,this.newRange,!0,this.affectsData)}toJSON(){const t=super.toJSON();return this.oldRange&&(t.oldRange=this.oldRange.toJSON()),this.newRange&&(t.newRange=this.newRange.toJSON()),delete t._markers,t}static get className(){return"MarkerOperation"}static fromJSON(t,e){return new Ka(t.name,t.oldRange?Es.fromJSON(t.oldRange,e):null,t.newRange?Es.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class Qa extends Da{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 Qa(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new Qa(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof vs))throw new hn.a("rename-operation-wrong-position",this);if(t.name!==this.oldName)throw new hn.a("rename-operation-wrong-name",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new Qa(As.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class Ja extends Da{constructor(t,e,n,i,o){super(o),this.root=t,this.key=e,this.oldValue=n,this.newValue=i}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new Ja(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Ja(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new hn.a("rootattribute-operation-not-a-root",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new hn.a("rootattribute-operation-wrong-old-value",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new hn.a("rootattribute-operation-attribute-exists",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const t=super.toJSON();return t.root=this.root.toJSON(),t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root))throw new hn.a("rootattribute-operation-fromjson-no-root",this,{rootName:t.root});return new Ja(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class Za extends Da{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 As(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Es(this.sourcePosition,t)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.targetPosition._getTransformedByMergeOperation(this),e=this.sourcePosition.path.slice(0,-1),n=new As(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),i=new Xa(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return i.insertionPosition=n,i}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!t.parent)throw new hn.a("merge-operation-source-position-invalid",this);if(!e.parent)throw new hn.a("merge-operation-target-position-invalid",this);if(this.howMany!=t.maxOffset)throw new hn.a("merge-operation-how-many-invalid",this)}_execute(){const t=this.sourcePosition.parent;za(Es._createIn(t),this.targetPosition),za(Es._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=t.sourcePosition.toJSON(),t.targetPosition=t.targetPosition.toJSON(),t.graveyardPosition=t.graveyardPosition.toJSON(),t}static get className(){return"MergeOperation"}static fromJSON(t,e){const n=As.fromJSON(t.sourcePosition,e),i=As.fromJSON(t.targetPosition,e),o=As.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,i,o,t.baseVersion)}}class Xa extends Da{constructor(t,e,n,i){super(i),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=Xa.getInsertionPosition(t),this.insertionPosition.stickiness="toNone",this.graveyardPosition=n?n.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();return t.push(0),new As(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Es(this.splitPosition,t)}clone(){const t=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);return t.insertionPosition=this.insertionPosition,t}getReversed(){const t=this.splitPosition.root.document.graveyard,e=new As(t,[0]);return new Za(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent,e=this.splitPosition.offset;if(!t||t.maxOffset<e)throw new hn.a("split-operation-position-invalid",this);if(!t.parent)throw new hn.a("split-operation-split-in-root",this);if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new hn.a("split-operation-how-many-invalid",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new hn.a("split-operation-graveyard-position-invalid",this)}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)za(Es._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();Va(this.insertionPosition,e)}za(new Es(As._createAt(t,this.splitPosition.offset),As._createAt(t,t.maxOffset)),this.moveTargetPosition)}toJSON(){const t=super.toJSON();return t.splitPosition=this.splitPosition.toJSON(),t.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(t.graveyardPosition=this.graveyardPosition.toJSON()),t}static get className(){return"SplitOperation"}static getInsertionPosition(t){const e=t.path.slice(0,-1);return e[e.length-1]++,new As(t.root,e)}static fromJSON(t,e){const n=As.fromJSON(t.splitPosition,e),i=As.fromJSON(t.insertionPosition,e),o=t.graveyardPosition?As.fromJSON(t.graveyardPosition,e):null,r=new this(n,t.howMany,o,t.baseVersion);return r.insertionPosition=i,r}}class tc extends vs{constructor(t,e,n="main"){super(e),this._document=t,this.rootName=n}get document(){return this._document}is(t,e){return e?e===this.name&&("rootElement"===t||"model:rootElement"===t||"element"===t||"model:element"===t):"rootElement"===t||"model:rootElement"===t||"element"===t||"model:element"===t||"node"===t||"model:node"===t}toJSON(){return this.rootName}}class ec{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new ws(t,e)}createElement(t,e){return new vs(t,e)}createDocumentFragment(){return new La}cloneElement(t,e=!0){return t._clone(e)}insert(t,e,n=0){if(this._assertWriterUsedCorrectly(),t instanceof ws&&""==t.data)return;const i=As._createAt(e,n);if(t.parent){if(sc(t.root,i.root))return void this.move(Es._createOn(t),i);if(t.root.document)throw new hn.a("model-writer-insert-forbidden-move",this);this.remove(t)}const o=i.root.document?i.root.document.version:null,r=new Ga(i,t,o);if(t instanceof ws&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof La)for(const[e,n]of t.markers){const t=As._createAt(n.root,0),o={range:new Es(n.start._getCombined(t,i),n.end._getCombined(t,i)),usingOperation:!0,affectsData:!0};this.model.markers.has(e)?this.updateMarker(e,o):this.addMarker(e,o)}}insertText(t,e,n,i){e instanceof La||e instanceof vs||e instanceof As?this.insert(this.createText(t),e,n):this.insert(this.createText(t,e),n,i)}insertElement(t,e,n,i){e instanceof La||e instanceof vs||e instanceof As?this.insert(this.createElement(t),e,n):this.insert(this.createElement(t,e),n,i)}append(t,e){this.insert(t,e,"end")}appendText(t,e,n){e instanceof La||e instanceof vs?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),n,"end")}appendElement(t,e,n){e instanceof La||e instanceof vs?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),n,"end")}setAttribute(t,e,n){if(this._assertWriterUsedCorrectly(),n instanceof Es){const i=n.getMinimalFlatRanges();for(const n of i)nc(this,t,e,n)}else ic(this,t,e,n)}setAttributes(t,e){for(const[n,i]of Ln(t))this.setAttribute(n,i,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof Es){const n=e.getMinimalFlatRanges();for(const e of n)nc(this,t,null,e)}else ic(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof Es)for(const n of t.getItems())e(n);else e(t)}move(t,e,n){if(this._assertWriterUsedCorrectly(),!(t instanceof Es))throw new hn.a("writer-move-invalid-range",this);if(!t.isFlat)throw new hn.a("writer-move-range-not-flat",this);const i=As._createAt(e,n);if(i.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!sc(t.root,i.root))throw new hn.a("writer-move-different-document",this);const o=t.root.document?t.root.document.version:null,r=new Ya(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 Es?t:Es._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers("move",t),rc(t.start,t.end.offset-t.start.offset,this.batch,this.model)}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,n=t.nodeAfter;if(this._addOperationForAffectedMarkers("merge",t),!(e instanceof vs))throw new hn.a("writer-merge-no-element-before",this);if(!(n instanceof vs))throw new hn.a("writer-merge-no-element-after",this);t.root.document?this._merge(t):this._mergeDetached(t)}createPositionFromPath(t,e,n){return this.model.createPositionFromPath(t,e,n)}createPositionAt(t,e){return this.model.createPositionAt(t,e)}createPositionAfter(t){return this.model.createPositionAfter(t)}createPositionBefore(t){return this.model.createPositionBefore(t)}createRange(t,e){return this.model.createRange(t,e)}createRangeIn(t){return this.model.createRangeIn(t)}createRangeOn(t){return this.model.createRangeOn(t)}createSelection(t,e,n){return this.model.createSelection(t,e,n)}_mergeDetached(t){const e=t.nodeBefore,n=t.nodeAfter;this.move(Es._createIn(n),As._createAt(e,"end")),this.remove(n)}_merge(t){const e=As._createAt(t.nodeBefore,"end"),n=As._createAt(t.nodeAfter,0),i=t.root.document.graveyard,o=new As(i,[0]),r=t.root.document.version,s=new Za(n,t.nodeAfter.maxOffset,e,o,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof vs))throw new hn.a("writer-rename-not-element-instance",this);const n=t.root.document?t.root.document.version:null,i=new Qa(As._createBefore(t),t.name,e,n);this.batch.addOperation(i),this.model.applyOperation(i)}split(t,e){this._assertWriterUsedCorrectly();let n,i,o=t.parent;if(!o.parent)throw new hn.a("writer-split-element-no-parent",this);if(e||(e=o.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new hn.a("writer-split-invalid-limit-element",this);do{const e=o.root.document?o.root.document.version:null,r=o.maxOffset-t.offset,s=new Xa(t,r,null,e);this.batch.addOperation(s),this.model.applyOperation(s),n||i||(n=o,i=t.parent.nextSibling),o=(t=this.createPositionAfter(t.parent)).parent}while(o!==e);return{position:t,range:new Es(As._createAt(n,"end"),As._createAt(i,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new hn.a("writer-wrap-range-not-flat",this);const n=e instanceof vs?e:new vs(e);if(n.childCount>0)throw new hn.a("writer-wrap-element-not-empty",this);if(null!==n.parent)throw new hn.a("writer-wrap-element-attached",this);this.insert(n,t.start);const i=new Es(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(i,As._createAt(n,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new hn.a("writer-unwrap-element-no-parent",this);this.move(Es._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||"boolean"!=typeof e.usingOperation)throw new hn.a("writer-addmarker-no-usingoperation",this);const n=e.usingOperation,i=e.range,o=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new hn.a("writer-addmarker-marker-exists",this);if(!i)throw new hn.a("writer-addmarker-no-range",this);return n?(oc(this,t,null,i,o),this.model.markers.get(t)):this.model.markers._set(t,i,n,o)}updateMarker(t,e){this._assertWriterUsedCorrectly();const n="string"==typeof t?t:t.name,i=this.model.markers.get(n);if(!i)throw new hn.a("writer-updatemarker-marker-not-exists",this);if(!e)return void this.model.markers._refresh(i);const o="boolean"==typeof e.usingOperation,r="boolean"==typeof e.affectsData,s=r?e.affectsData:i.affectsData;if(!o&&!e.range&&!r)throw new hn.a("writer-updatemarker-wrong-options",this);const a=i.getRange(),c=e.range?e.range:a;o&&e.usingOperation!==i.managedUsingOperations?e.usingOperation?oc(this,n,null,c,s):(oc(this,n,a,null,s),this.model.markers._set(n,c,void 0,s)):i.managedUsingOperations?oc(this,n,a,c,s):this.model.markers._set(n,c,void 0,s)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new hn.a("writer-removemarker-no-marker",this);const n=this.model.markers.get(e);if(!n.managedUsingOperations)return void this.model.markers._remove(e);oc(this,e,n.getRange(),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){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._setSelectionAttribute(t,e);else for(const[e,n]of Ln(t))this._setSelectionAttribute(e,n)}removeSelectionAttribute(t){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._removeSelectionAttribute(t);else for(const e of t)this._removeSelectionAttribute(e)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(t){this.model.document.selection._restoreGravity(t)}_setSelectionAttribute(t,e){const n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const i=Ws._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=Ws._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new hn.a("writer-incorrect-use",this)}_addOperationForAffectedMarkers(t,e){for(const n of this.model.markers){if(!n.managedUsingOperations)continue;const i=n.getRange();let o=!1;if("move"===t)o=e.containsPosition(i.start)||e.start.isEqual(i.start)||e.containsPosition(i.end)||e.end.isEqual(i.end);else{const t=e.nodeBefore,n=e.nodeAfter,r=i.start.parent==t&&i.start.isAtEnd,s=i.end.parent==n&&0==i.end.offset,a=i.end.nodeAfter==n,c=i.start.nodeAfter==n;o=r||s||a||c}o&&this.updateMarker(n.name,{range:i})}}}function nc(t,e,n,i){const o=t.model,r=o.document;let s,a,c,l=i.start;for(const t of i.getWalker({shallow:!0}))c=t.item.getAttribute(e),s&&a!=c&&(a!=n&&d(),l=s),s=t.nextPosition,a=c;function d(){const i=new Es(l,s),c=i.root.document?r.version:null,d=new qa(i,e,a,n,c);t.batch.addOperation(d),o.applyOperation(d)}s instanceof As&&s!=l&&a!=n&&d()}function ic(t,e,n,i){const o=t.model,r=o.document,s=i.getAttribute(e);let a,c;if(s!=n){if(i.root===i){const t=i.document?r.version:null;c=new Ja(i,e,s,n,t)}else{a=new Es(As._createBefore(i),t.createPositionAfter(i));const o=a.root.document?r.version:null;c=new qa(a,e,s,n,o)}t.batch.addOperation(c),o.applyOperation(c)}}function oc(t,e,n,i,o){const r=t.model,s=r.document,a=new Ka(e,n,i,r.markers,o,s.version);t.batch.addOperation(a),r.applyOperation(a)}function rc(t,e,n,i){let o;if(t.root.document){const n=i.document,r=new As(n.graveyard,[0]);o=new Ya(t,e,r,n.version)}else o=new $a(t,e);n.addOperation(o),i.applyOperation(o)}function sc(t,e){return t===e||t instanceof tc&&e instanceof tc}class ac{constructor(t){this._markerCollection=t,this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size}refreshItem(t){if(this._isInInsertedElement(t.parent))return;this._markRemove(t.parent,t.startOffset,t.offsetSize),this._markInsert(t.parent,t.startOffset,t.offsetSize);const e=Es._createOn(t);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}this._cachedChanges=null}bufferOperation(t){switch(t.type){case"insert":if(this._isInInsertedElement(t.position.parent))return;this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const e of t.range.getItems({shallow:!0}))this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),n=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),n||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=Es._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const i=t.targetPosition.parent;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);o?(o.newRange=n,o.affectsData=i,null==o.oldRange&&null==o.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:n,affectsData:i})}getMarkersToRemove(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.oldRange&&t.push({name:e,range:n.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.newRange&&t.push({name:e,range:n.newRange});return t}getChangedMarkers(){return Array.from(this._changedMarkers).map(t=>({name:t[0],data:{oldRange:t[1].oldRange,newRange:t[1].newRange}}))}hasDataChanges(){for(const[,t]of this._changedMarkers)if(t.affectsData)return!0;return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:!1}){if(this._cachedChanges)return t.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();const e=[];for(const t of this._changesInElement.keys()){const n=this._changesInElement.get(t).sort((t,e)=>t.offset===e.offset?t.type!=e.type?"remove"==t.type?-1:1:0:t.offset<e.offset?-1:1),i=this._elementSnapshots.get(t),o=cc(t.getChildren()),r=lc(i.length,n);let s=0,a=0;for(const n of r)if("i"===n)e.push(this._getInsertDiff(t,s,o[s].name)),s++;else if("r"===n)e.push(this._getRemoveDiff(t,s,i[a].name)),a++;else if("a"===n){const n=o[s].attributes,r=i[a].attributes;let c;if("$text"==o[s].name)c=new Es(As._createAt(t,s),As._createAt(t,s+1));else{const e=t.offsetToIndex(s);c=new Es(As._createAt(t,s),As._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(c,r,n)),s++,a++}else s++,a++}e.sort((t,e)=>t.position.root!=e.position.root?t.position.root.rootName<e.position.root.rootName?-1:1:t.position.isEqual(e.position)?t.changeCount-e.changeCount:t.position.isBefore(e.position)?-1:1);for(let t=1;t<e.length;t++){const n=e[t-1],i=e[t],o="remove"==n.type&&"remove"==i.type&&"$text"==n.name&&"$text"==i.name&&n.position.isEqual(i.position),r="insert"==n.type&&"insert"==i.type&&"$text"==n.name&&"$text"==i.name&&n.position.parent==i.position.parent&&n.position.offset+n.length==i.position.offset,s="attribute"==n.type&&"attribute"==i.type&&n.position.parent==i.position.parent&&n.range.isFlat&&i.range.isFlat&&n.position.offset+n.length==i.position.offset&&n.attributeKey==i.attributeKey&&n.attributeOldValue==i.attributeOldValue&&n.attributeNewValue==i.attributeNewValue;(o||r||s)&&(e[t-1].length++,s&&(e[t-1].range.end=e[t-1].range.end.getShiftedBy(1)),e.splice(t,1),t--)}for(const t of e)delete t.changeCount,"attribute"==t.type&&(delete t.position,delete t.length);return this._changeCount=0,this._cachedChangesWithGraveyard=e.slice(),this._cachedChanges=e.slice().filter(dc),t.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(t,e,n){const i={type:"insert",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,i)}_markRemove(t,e,n){const i={type:"remove",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,i),this._removeAllNestedChanges(t,e,n)}_markAttribute(t){const e={type:"attribute",offset:t.startOffset,howMany:t.offsetSize,count:this._changeCount++};this._markChange(t.parent,e)}_markChange(t,e){this._makeSnapshot(t);const n=this._getChangesForElement(t);this._handleChange(e,n),n.push(e);for(let t=0;t<n.length;t++)n[t].howMany<1&&(n.splice(t,1),t--)}_getChangesForElement(t){let e;return this._changesInElement.has(t)?e=this._changesInElement.get(t):(e=[],this._changesInElement.set(t,e)),e}_makeSnapshot(t){this._elementSnapshots.has(t)||this._elementSnapshots.set(t,cc(t.getChildren()))}_handleChange(t,e){t.nodesToHandle=t.howMany;for(const n of e){const i=t.offset+t.howMany,o=n.offset+n.howMany;if("insert"==t.type&&("insert"==n.type&&(t.offset<=n.offset?n.offset+=t.howMany:t.offset<o&&(n.howMany+=t.nodesToHandle,t.nodesToHandle=0)),"remove"==n.type&&t.offset<n.offset&&(n.offset+=t.howMany),"attribute"==n.type))if(t.offset<=n.offset)n.offset+=t.howMany;else if(t.offset<o){const o=n.howMany;n.howMany=t.offset-n.offset,e.unshift({type:"attribute",offset:i,howMany:o-n.howMany,count:this._changeCount++})}if("remove"==t.type){if("insert"==n.type)if(i<=n.offset)n.offset-=t.howMany;else if(i<=o)if(t.offset<n.offset){const e=i-n.offset;n.offset=t.offset,n.howMany-=e,t.nodesToHandle-=e}else n.howMany-=t.nodesToHandle,t.nodesToHandle=0;else if(t.offset<=n.offset)t.nodesToHandle-=n.howMany,n.howMany=0;else if(t.offset<o){const e=o-t.offset;n.howMany-=e,t.nodesToHandle-=e}if("remove"==n.type&&(i<=n.offset?n.offset-=t.howMany:t.offset<n.offset&&(t.nodesToHandle+=n.howMany,n.howMany=0)),"attribute"==n.type)if(i<=n.offset)n.offset-=t.howMany;else if(t.offset<n.offset){const e=i-n.offset;n.offset=t.offset,n.howMany-=e}else if(t.offset<o)if(i<=o){const i=n.howMany;n.howMany=t.offset-n.offset;const o=i-n.howMany-t.nodesToHandle;e.unshift({type:"attribute",offset:t.offset,howMany:o,count:this._changeCount++})}else n.howMany-=o-t.offset}if("attribute"==t.type){if("insert"==n.type)if(t.offset<n.offset&&i>n.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 t.offset>=n.offset&&t.offset<o&&(i>o?(t.nodesToHandle=i-o,t.offset=o):t.nodesToHandle=0);if("remove"==n.type&&t.offset<n.offset&&i>n.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}"attribute"==n.type&&(t.offset>=n.offset&&i<=o?(t.nodesToHandle=0,t.howMany=0,t.offset=0):t.offset<=n.offset&&i>=o&&(n.howMany=0))}}t.howMany=t.nodesToHandle,delete t.nodesToHandle}_getInsertDiff(t,e,n){return{type:"insert",position:As._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:"remove",position:As._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;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!1;const n=this._changesInElement.get(e),i=t.startOffset;if(n)for(const t of n)if("insert"==t.type&&i>=t.offset&&i<t.offset+t.howMany)return!0;return this._isInInsertedElement(e)}_removeAllNestedChanges(t,e,n){const i=new Es(As._createAt(t,e),As._createAt(t,e+n));for(const t of i.getItems({shallow:!0}))t.is("element")&&(this._elementSnapshots.delete(t),this._changesInElement.delete(t),this._removeAllNestedChanges(t,0,t.maxOffset))}}function cc(t){const e=[];for(const n of t)if(n.is("$text"))for(let t=0;t<n.data.length;t++)e.push({name:"$text",attributes:new Map(n.getAttributes())});else e.push({name:n.name,attributes:new Map(n.getAttributes())});return e}function lc(t,e){const n=[];let i=0,o=0;for(const t of e){if(t.offset>i){for(let e=0;e<t.offset-i;e++)n.push("e");o+=t.offset-i}if("insert"==t.type){for(let e=0;e<t.howMany;e++)n.push("i");i=t.offset+t.howMany}else if("remove"==t.type){for(let e=0;e<t.howMany;e++)n.push("r");i=t.offset,o+=t.howMany}else n.push(..."a".repeat(t.howMany).split("")),i=t.offset+t.howMany,o+=t.howMany}if(o<t)for(let e=0;e<t-o-i;e++)n.push("e");return n}function dc(t){const e=t.position&&"$graveyard"==t.position.root.rootName,n=t.range&&"$graveyard"==t.range.root.rootName;return!e&&!n}class uc{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=Number.NEGATIVE_INFINITY,e=Number.POSITIVE_INFINITY){const n=[];for(const i of this._operations)i.baseVersion>=t&&i.baseVersion<e&&n.push(i);return n}getOperation(t){for(const e of this._operations)if(e.baseVersion==t)return e}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function hc(t,e){return!!(n=t.charAt(e-1))&&1==n.length&&/[\ud800-\udbff]/.test(n)&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e));var n}function fc(t,e){return!!(n=t.charAt(e))&&1==n.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(n);var n}class gc{constructor(t){this.model=t,this.version=0,this.history=new uc(this),this.selection=new Ws(this),this.roots=new An({idProperty:"rootName"}),this.differ=new ac(t.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root","$graveyard"),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new hn.a("model-document-applyoperation-wrong-version",this,{operation:n})},{priority:"highest"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&this.differ.bufferOperation(n)},{priority:"high"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(t.markers,"update",(t,e,n,i)=>{this.differ.bufferMarkerChange(e.name,n,i,e.affectsData),null===n&&e.on("change",(t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)})})}get graveyard(){return this.getRoot("$graveyard")}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new hn.a("model-document-createroot-name-exists",this,{name:e});const n=new tc(this,t,e);return this.roots.add(n),n}destroy(){this.selection.destroy(),this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,t=>t.rootName).filter(t=>"$graveyard"!=t)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=Nn(this);return t.selection="[engine.model.DocumentSelection]",t.model="[engine.model.Model]",t}_handleChangeBlock(t){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(t),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",t.batch):this.fire("change",t.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){for(const t of this.roots)if(t!==this.graveyard)return t;return this.graveyard}_getDefaultRange(){const t=this._getDefaultRoot(),e=this.model,n=e.schema,i=e.createPositionFromPath(t,[0]);return n.getNearestSelectionRange(i)||e.createRange(i)}_validateSelectionRange(t){return mc(t.start)&&mc(t.end)}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(this.selection.refresh(),e=n(t),e)break}while(e)}}function mc(t){const e=t.textNode;if(e){const n=e.data,i=t.offset-e.startOffset;return!hc(n,i)&&!fc(n,i)}return!0}xn(gc,mn);class pc{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){return this._markers.has(t)}get(t){return this._markers.get(t)||null}_set(t,e,n=!1,i=!1){const o=t instanceof bc?t.name:t;if(o.includes(","))throw new hn.a("markercollection-incorrect-marker-name",this);const r=this._markers.get(o);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(Fs.fromRange(e)),s=!0),n!=r.managedUsingOperations&&(r._managedUsingOperations=n,s=!0),"boolean"==typeof i&&i!=r.affectsData&&(r._affectsData=i,s=!0),s&&this.fire("update:"+o,r,t,e),r}const s=Fs.fromRange(e),a=new bc(o,s,n,i);return this._markers.set(o,a),this.fire("update:"+o,a,null,e),a}_remove(t){const e=t instanceof bc?t.name:t,n=this._markers.get(e);return!!n&&(this._markers.delete(e),this.fire("update:"+e,n,n.getRange(),null),this._destroyMarker(n),!0)}_refresh(t){const e=t instanceof bc?t.name:t,n=this._markers.get(e);if(!n)throw new hn.a("markercollection-refresh-marker-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)e.getRange().containsPosition(t)&&(yield e)}*getMarkersIntersectingRange(t){for(const e of this)null!==e.getRange().getIntersection(t)&&(yield e)}destroy(){for(const t of this._markers.values())this._destroyMarker(t);this._markers=null,this.stopListening()}*getMarkersGroup(t){for(const e of this._markers.values())e.name.startsWith(t+":")&&(yield e)}_destroyMarker(t){t.stopListening(),t._detachLiveRange()}}xn(pc,mn);class bc{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 hn.a("marker-destroyed",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new hn.a("marker-destroyed",this);return this._affectsData}getStart(){if(!this._liveRange)throw new hn.a("marker-destroyed",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new hn.a("marker-destroyed",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new hn.a("marker-destroyed",this);return this._liveRange.toRange()}is(t){return"marker"===t||"model:marker"===t}_attachLiveRange(t){return this._liveRange&&this._detachLiveRange(),t.delegate("change:range").to(this),t.delegate("change:content").to(this),this._liveRange=t,t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}xn(bc,mn);class wc extends Da{get type(){return"noop"}clone(){return new wc(this.baseVersion)}getReversed(){return new wc(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const kc={};kc[qa.className]=qa,kc[Ga.className]=Ga,kc[Ka.className]=Ka,kc[Ya.className]=Ya,kc[wc.className]=wc,kc[Da.className]=Da,kc[Qa.className]=Qa,kc[Ja.className]=Ja,kc[Xa.className]=Xa,kc[Za.className]=Za;class _c extends As{constructor(t,e,n="toNone"){if(super(t,e,n),!this.root.is("rootElement"))throw new hn.a("model-liveposition-root-not-rootelement",t);vc.call(this)}detach(){this.stopListening()}is(t){return"livePosition"===t||"model:livePosition"===t||"position"==t||"model:position"===t}toPosition(){return new As(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}function vc(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&yc.call(this,n)},{priority:"low"})}function yc(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)}}xn(_c,mn);class xc{constructor(t,e,n){this.model=t,this.writer=e,this.position=n,this.canMergeWith=new Set([this.position.parent]),this.schema=t.schema,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null}handleNodes(t,e){t=Array.from(t);for(let n=0;n<t.length;n++){const i=t[n];this._handleNode(i,{isFirst:0===n&&e.isFirst,isLast:n===t.length-1&&e.isLast})}this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?Es._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new Es(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(t,e){if(this.schema.isObject(t))return void this._handleObject(t,e);this._checkAndSplitToAllowedPosition(t,e)?(this._insert(t),this._mergeSiblingsOf(t,e)):this._handleDisallowedNode(t,e)}_handleObject(t,e){this._checkAndSplitToAllowedPosition(t)?this._insert(t):this._tryAutoparagraphing(t,e)}_handleDisallowedNode(t,e){t.is("element")?this.handleNodes(t.getChildren(),e):this._tryAutoparagraphing(t,e)}_insert(t){if(!this.schema.checkChild(this.position,t))throw new hn.a("insertcontent-wrong-position",this,{node:t,position:this.position});const e=_c.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this.writer.insert(t,this.position),this.position=e.toPosition(),e.detach(),this.schema.isObject(t)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=t:this.nodeToSelect=null,this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){this._affectedStart||(this._affectedStart=_c.fromPosition(t,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=_c.fromPosition(t,"toNext"))}_mergeSiblingsOf(t,e){if(!(t instanceof vs))return;const n=this._canMergeLeft(t,e),i=this._canMergeRight(t,e),o=_c._createBefore(t);o.stickiness="toNext";const r=_c._createAfter(t);if(r.stickiness="toNext",n){const t=_c.fromPosition(this.position);t.stickiness="toNext",this._affectedStart.isEqual(o)&&(this._affectedStart.detach(),this._affectedStart=_c._createAt(o.nodeBefore,"end","toPrevious")),this.writer.merge(o),o.isEqual(this._affectedEnd)&&e.isLast&&(this._affectedEnd.detach(),this._affectedEnd=_c._createAt(o.nodeBefore,"end","toNext")),this.position=t.toPosition(),t.detach()}if(i){if(!this.position.isEqual(r))throw new hn.a("insertcontent-invalid-insertion-position",this);this.position=As._createAt(r.nodeBefore,"end");const t=_c.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(r)&&(this._affectedEnd.detach(),this._affectedEnd=_c._createAt(r.nodeBefore,"end","toNext")),this.writer.merge(r),r.getShiftedBy(-1).isEqual(this._affectedStart)&&e.isFirst&&(this._affectedStart.detach(),this._affectedStart=_c._createAt(r.nodeBefore,0,"toPrevious")),this.position=t.toPosition(),t.detach()}(n||i)&&this._filterAttributesOf.push(this.position.parent),o.detach(),r.detach()}_canMergeLeft(t,e){const n=t.previousSibling;return e.isFirst&&n instanceof vs&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(n,t)}_canMergeRight(t,e){const n=t.nextSibling;return e.isLast&&n instanceof vs&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(t,n)}_tryAutoparagraphing(t,e){const n=this.writer.createElement("paragraph");this._getAllowedIn(n,this.position.parent)&&this.schema.checkChild(n,t)&&(n._appendChild(t),this._handleNode(n,e))}_checkAndSplitToAllowedPosition(t){const e=this._getAllowedIn(t,this.position.parent);if(!e)return!1;for(;e!=this.position.parent;){if(this.schema.isLimit(this.position.parent))return!1;if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t),t.isEmpty&&t.parent===e&&this.writer.remove(t)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const t=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=t,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(t,e){return this.schema.checkChild(e,t)?e:e.parent?this._getAllowedIn(t,e.parent):null}}function Ac(t,e,n={}){if(e.isCollapsed)return;const i=e.getFirstRange();if("$graveyard"==i.root.rootName)return;const o=t.schema;t.change(t=>{if(!n.doNotResetEntireContent&&function(t,e){const n=t.getLimitElement(e);if(!e.containsEntireContent(n))return!1;const i=e.getFirstRange();if(i.start.parent==i.end.parent)return!1;return t.checkChild(n,"paragraph")}(o,e))return void function(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n)),Tc(t,t.createPositionAt(n,0),e)}(t,e);const[r,s]=function(t){const e=t.root.document.model,n=t.start;let i=t.end;if(e.hasContent(t,{ignoreMarkers:!0})){const n=function(t){const e=t.parent,n=e.root.document.model.schema,i=e.getAncestors({parentFirst:!0,includeSelf:!0});for(const t of i){if(n.isLimit(t))return null;if(n.isBlock(t))return t}}(i);if(n&&i.isTouching(e.createPositionAt(n,0))){const n=e.createSelection(t);e.modifySelection(n,{direction:"backward"}),i=n.getLastPosition()}}return[_c.fromPosition(n,"toPrevious"),_c.fromPosition(i,"toNext")]}(i);r.isTouching(s)||t.remove(t.createRange(r,s)),n.leaveUnmerged||(!function(t,e,n){const i=t.model;if(!Cc(t.model.schema,e,n))return;const[o,r]=function(t,e){const n=t.getAncestors(),i=e.getAncestors();let o=0;for(;n[o]&&n[o]==i[o];)o++;return[n[o],i[o]]}(e,n);!i.hasContent(o,{ignoreMarkers:!0})&&i.hasContent(r,{ignoreMarkers:!0})?function t(e,n,i,o){const r=n.parent,s=i.parent;if(r==o||s==o)return;n=e.createPositionAfter(r),(i=e.createPositionBefore(s)).isEqual(n)||e.insert(r,i);for(;n.parent.isEmpty;){const t=n.parent;n=e.createPositionBefore(t),e.remove(t)}if(i=e.createPositionBefore(s),function(t,e){const n=e.nodeBefore,i=e.nodeAfter;n.name!=i.name&&t.rename(n,i.name);t.clearAttributes(n),t.setAttributes(Object.fromEntries(i.getAttributes()),n),t.merge(e)}(e,i),!Cc(e.model.schema,n,i))return;t(e,n,i,o)}(t,e,n,o.parent):function t(e,n,i,o){const r=n.parent,s=i.parent;if(r==o||s==o)return;n=e.createPositionAfter(r),(i=e.createPositionBefore(s)).isEqual(n)||e.insert(s,n);e.merge(n);for(;i.parent.isEmpty;){const t=i.parent;i=e.createPositionBefore(t),e.remove(t)}if(!Cc(e.model.schema,n,i))return;t(e,n,i,o)}(t,e,n,o.parent)}(t,r,s),o.removeDisallowedAttributes(r.parent.getChildren(),t)),Pc(t,e,r),!n.doNotAutoparagraph&&function(t,e){const n=t.checkChild(e,"$text"),i=t.checkChild(e,"paragraph");return!n&&i}(o,r)&&Tc(t,r,e),r.detach(),s.detach()})}function Cc(t,e,n){const i=e.parent,o=n.parent;return i!=o&&(!t.isLimit(i)&&!t.isLimit(o)&&function(t,e,n){const i=new Es(t,e);for(const t of i.getWalker())if(n.isLimit(t.item))return!1;return!0}(e,n,t))}function Tc(t,e,n){const i=t.createElement("paragraph");t.insert(i,e),Pc(t,n,t.createPositionAt(i,0))}function Pc(t,e,n){e instanceof Ws?t.setSelection(n):e.setTo(n)}function Ec(t,e){const{isForward:n,walker:i,unit:o,schema:r}=t,{type:s,item:a,nextPosition:c}=e;if("text"==s)return"word"===t.unit?function(t,e){let n=t.position.textNode;if(n){let i=t.position.offset-n.startOffset;for(;!Mc(n.data,i,e)&&!Ic(n,i,e);){t.next();const o=e?t.position.nodeAfter:t.position.nodeBefore;if(o&&o.is("$text")){const i=o.data.charAt(e?0:o.data.length-1);' ,.?!:;"-()'.includes(i)||(t.next(),n=t.position.textNode)}i=t.position.offset-n.startOffset}}return t.position}(i,n):function(t,e){const n=t.position.textNode;if(n){const i=n.data;let o=t.position.offset-n.startOffset;for(;hc(i,o)||"character"==e&&fc(i,o);)t.next(),o=t.position.offset-n.startOffset}return t.position}(i,o);if(s==(n?"elementStart":"elementEnd")){if(r.isSelectable(a))return As._createAt(a,n?"after":"before");if(r.checkChild(c,"$text"))return c}else{if(r.isLimit(a))return void i.skip(()=>!0);if(r.checkChild(c,"$text"))return c}}function Sc(t,e){const n=t.root,i=As._createAt(n,e?"end":0);return e?new Es(t,i):new Es(i,t)}function Mc(t,e,n){const i=e+(n?0:-1);return' ,.?!:;"-()'.includes(t.charAt(i))}function Ic(t,e,n){return e===(n?t.endOffset:0)}function Nc(t,e){const n=[];Array.from(t.getItems({direction:"backward"})).map(t=>e.createRangeOn(t)).filter(e=>(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end))).forEach(t=>{n.push(t.start.parent),e.remove(t)}),n.forEach(t=>{let n=t;for(;n.parent&&n.isEmpty;){const t=e.createRangeOn(n);n=n.parent,e.remove(t)}})}function Oc(t){t.document.registerPostFixer(e=>function(t,e){const n=e.document.selection,i=e.schema,o=[];let r=!1;for(const t of n.getRanges()){const e=Rc(t,i);e&&!e.isEqual(t)?(o.push(e),r=!0):o.push(t)}r&&t.setSelection(function(t){const e=[];e.push(t.shift());for(const n of t){const t=e.pop();if(n.isIntersecting(t)){const i=t.start.isAfter(n.start)?n.start:t.start,o=t.end.isAfter(n.end)?t.end:n.end,r=new Es(i,o);e.push(r)}else e.push(t),e.push(n)}return e}(o),{backward:n.isBackward})}(e,t))}function Rc(t,e){return t.isCollapsed?function(t,e){const n=t.start,i=e.getNearestSelectionRange(n);if(!i)return null;if(!i.isCollapsed)return i;const o=i.start;if(n.isEqual(o))return null;return new Es(o)}(t,e):function(t,e){const{start:n,end:i}=t,o=e.checkChild(n,"$text"),r=e.checkChild(i,"$text"),s=e.getLimitElement(n),a=e.getLimitElement(i);if(s===a){if(o&&r)return null;if(function(t,e,n){const i=t.nodeAfter&&!n.isLimit(t.nodeAfter)||n.checkChild(t,"$text"),o=e.nodeBefore&&!n.isLimit(e.nodeBefore)||n.checkChild(e,"$text");return i||o}(n,i,e)){const t=n.nodeAfter&&e.isSelectable(n.nodeAfter)?null:e.getNearestSelectionRange(n,"forward"),o=i.nodeBefore&&e.isSelectable(i.nodeBefore)?null:e.getNearestSelectionRange(i,"backward"),r=t?t.start:n,s=o?o.start:i;return new Es(r,s)}}const c=s&&!s.is("rootElement"),l=a&&!a.is("rootElement");if(c||l){const t=n.nodeAfter&&i.nodeBefore&&n.nodeAfter.parent===i.nodeBefore.parent,o=c&&(!t||!Lc(n.nodeAfter,e)),r=l&&(!t||!Lc(i.nodeBefore,e));let d=n,u=i;return o&&(d=As._createBefore(Dc(s,e))),r&&(u=As._createAfter(Dc(a,e))),new Es(d,u)}return null}(t,e)}function Dc(t,e){let n=t,i=n;for(;e.isLimit(i)&&i.parent;)n=i,i=i.parent;return n}function Lc(t,e){return t&&e.isSelectable(t)}class Vc{constructor(){this.markers=new pc,this.document=new gc(this),this.schema=new pa,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(t=>this.decorate(t)),this.on("applyOperation",(t,e)=>{e[0]._validate()},{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$block",{allowIn:"$root",isBlock:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0,isContent:!0}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:!0}),this.schema.extend("$text",{allowIn:"$clipboardHolder"}),this.schema.register("$marker"),this.schema.addChildCheck((t,e)=>{if("$marker"===e.name)return!0}),Oc(this),this.document.registerPostFixer(na)}change(t){try{return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new Ra,callback:t}),this._runPendingChanges()[0]):t(this._currentWriter)}catch(t){hn.a.rethrowUnexpectedError(t,this)}}enqueueChange(t,e){try{"string"==typeof t?t=new Ra(t):"function"==typeof t&&(e=t,t=new Ra),this._pendingChanges.push({batch:t,callback:e}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(t){hn.a.rethrowUnexpectedError(t,this)}}applyOperation(t){t._execute()}insertContent(t,e,n){return function(t,e,n,i){return t.change(o=>{let r;r=n?n instanceof Ls||n instanceof Ws?n:o.createSelection(n,i):t.document.selection,r.isCollapsed||t.deleteContent(r,{doNotAutoparagraph:!0});const s=new xc(t,o,r.anchor);let a;a=e.is("documentFragment")?e.getChildren():[e],s.handleNodes(a,{isFirst:!0,isLast:!0});const c=s.getSelectionRange();c&&(r instanceof Ws?o.setSelection(c):r.setTo(c));const l=s.getAffectedRange()||t.createRange(r.anchor);return s.destroy(),l})}(this,t,e,n)}deleteContent(t,e){Ac(this,t,e)}modifySelection(t,e){!function(t,e,n={}){const i=t.schema,o="backward"!=n.direction,r=n.unit?n.unit:"character",s=e.focus,a=new ys({boundaries:Sc(s,o),singleCharacters:!0,direction:o?"forward":"backward"}),c={walker:a,schema:i,isForward:o,unit:r};let l;for(;l=a.next();){if(l.done)return;const n=Ec(c,l.value);if(n)return void(e instanceof Ws?t.change(t=>{t.setSelectionFocus(n)}):e.setFocus(n))}}(this,t,e)}getSelectedContent(t){return function(t,e){return t.change(t=>{const n=t.createDocumentFragment(),i=e.getFirstRange();if(!i||i.isCollapsed)return n;const o=i.start.root,r=i.start.getCommonPath(i.end),s=o.getNodeByPath(r);let a;a=i.start.parent==i.end.parent?i: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:!0}))e.is("$textProxy")?t.appendText(e.data,e.getAttributes(),n):t.append(t.cloneElement(e,!0),n);if(a!=i){const e=i._getTransformedByMove(a.start,t.createPositionAt(n,0),c)[0],o=t.createRange(t.createPositionAt(n,0),e.start);Nc(t.createRange(e.end,t.createPositionAt(n,"end")),t),Nc(o,t)}return n})}(this,t)}hasContent(t,e={}){const n=t instanceof vs?Es._createIn(t):t;if(n.isCollapsed)return!1;const{ignoreWhitespaces:i=!1,ignoreMarkers:o=!1}=e;if(!o)for(const t of this.markers.getMarkersIntersectingRange(n))if(t.affectsData)return!0;for(const t of n.getItems())if(this.schema.isContent(t)){if(!t.is("$textProxy"))return!0;if(!i)return!0;if(-1!==t.data.search(/\S/))return!0}return!1}createPositionFromPath(t,e,n){return new As(t,e,n)}createPositionAt(t,e){return As._createAt(t,e)}createPositionAfter(t){return As._createAfter(t)}createPositionBefore(t){return As._createBefore(t)}createRange(t,e){return new Es(t,e)}createRangeIn(t){return Es._createIn(t)}createRangeOn(t){return Es._createOn(t)}createSelection(t,e,n){return new Ls(t,e,n)}createBatch(t){return new Ra(t)}createOperationFromJSON(t){return class{static fromJSON(t,e){return kc[t.__className].fromJSON(t,e)}}.fromJSON(t,this.document)}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const t=[];for(this.fire("_beforeChanges");this._pendingChanges.length;){const e=this._pendingChanges[0].batch;this._currentWriter=new ec(this,e);const n=this._pendingChanges[0].callback(this._currentWriter);t.push(n),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),t}}xn(Vc,Ui);class jc{constructor(){this._listener=Object.create(fr)}listenTo(t){this._listener.listenTo(t,"keydown",(t,e)=>{this._listener.fire("_keydown:"+po(e),e)})}set(t,e,n={}){const i=bo(t),o=n.priority;this._listener.listenTo(this._listener,"_keydown:"+i,(t,n)=>{e(n,()=>{n.preventDefault(),n.stopPropagation(),t.stop()}),t.return=!0},{priority:o})}press(t){return!!this._listener.fire("_keydown:"+po(t),t)}destroy(){this._listener.stopListening()}}class zc extends jc{constructor(t){super(),this.editor=t}set(t,e,n={}){if("string"==typeof e){const t=e;e=(e,n)=>{this.editor.execute(t),n()}}super.set(t,e,n)}}class Bc{constructor(t={}){this._context=t.context||new Mn({language:t.language}),this._context._addEditor(this,!t.context);const e=Array.from(this.constructor.builtinPlugins||[]);this.config=new on(t,this.constructor.defaultConfig),this.config.define("plugins",e),this.config.define(this._context._getEditorConfig()),this.plugins=new Cn(this,e,this._context.plugins),this.locale=this._context.locale,this.t=this.locale.t,this.commands=new fa,this.set("state","initializing"),this.once("ready",()=>this.state="ready",{priority:"high"}),this.once("destroy",()=>this.state="destroyed",{priority:"high"}),this.set("isReadOnly",!1),this.model=new Vc;const n=new Mi;this.data=new Ma(this.model,n),this.editing=new ha(this.model,n),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new Ia([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 zc(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config,e=t.get("plugins"),n=t.get("removePlugins")||[],i=t.get("extraPlugins")||[];return this.plugins.init(e.concat(i),n)}destroy(){let t=Promise.resolve();return"initializing"==this.state&&(t=new Promise(t=>this.once("ready",t))),t.then(()=>{this.fire("destroy"),this.stopListening(),this.commands.destroy()}).then(()=>this.plugins.destroy()).then(()=>{this.model.destroy(),this.data.destroy(),this.editing.destroy(),this.keystrokes.destroy()}).then(()=>this._context._removeEditor(this))}execute(...t){try{return this.commands.execute(...t)}catch(t){hn.a.rethrowUnexpectedError(t,this)}}}xn(Bc,Ui);class Fc{getHtml(t){const e=document.implementation.createHTMLDocument("").createElement("div");return e.appendChild(t),e.innerHTML}}class Uc{constructor(t){this._domParser=new DOMParser,this._domConverter=new cr(t,{blockFillerMode:"nbsp"}),this._htmlWriter=new Fc}toData(t){const e=this._domConverter.viewToDom(t,document);return this._htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this._domConverter.domToView(e)}_toDom(t){const e=this._domParser.parseFromString(t,"text/html"),n=e.createDocumentFragment(),i=e.body.childNodes;for(;i.length>0;)n.appendChild(i[0]);return n}}class Hc{constructor(t){this.editor=t,this.set("isEnabled",!0),this._disableStack=new Set}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",Wc,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",Wc),this.isEnabled=!0)}destroy(){this.stopListening()}static get isContextPlugin(){return!1}}function Wc(t){t.return=!1,t.stop()}xn(Hc,Ui);class qc extends An{constructor(t=[]){super(t,{idProperty:"viewUid"}),this.on("add",(t,e,n)=>{this._renderViewIntoCollectionParent(e,n)}),this.on("remove",(t,e)=>{e.element&&this._parentElement&&e.element.remove()}),this._parentElement=null}destroy(){this.map(t=>t.destroy())}setParent(t){this._parentElement=t;for(const t of this)this._renderViewIntoCollectionParent(t)}delegate(...t){if(!t.length||!t.every(t=>"string"==typeof t))throw new hn.a("ui-viewcollection-delegate-wrong-events",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)})}}}_renderViewIntoCollectionParent(t,e){t.isRendered||t.render(),t.element&&this._parentElement&&this._parentElement.insertBefore(t.element,this._parentElement.children[e])}}class $c{constructor(t){Object.assign(this,nl(el(t))),this._isRendered=!1,this._revertData=null}render(){const t=this._renderNode({intoFragment:!0});return this._isRendered=!0,t}apply(t){return this._revertData={children:[],bindings:[],attributes:{}},this._renderNode({node:t,isApplying:!0,revertData:this._revertData}),t}revert(t){if(!this._revertData)throw new hn.a("ui-template-revert-not-applied",[this,t]);this._revertTemplateFromNode(t,this._revertData)}*getViews(){yield*function*t(e){if(e.children)for(const n of e.children)al(n)?yield n:cl(n)&&(yield*t(n))}(this)}static bind(t,e){return{to:(n,i)=>new Gc({eventNameOrFunction:n,attribute:n,observable:t,emitter:e,callback:i}),if:(n,i,o)=>new Kc({observable:t,emitter:e,attribute:n,valueIfTrue:i,callback:o})}}static extend(t,e){if(t._isRendered)throw new hn.a("template-extend-render",[this,t]);!function t(e,n){n.attributes&&(e.attributes||(e.attributes={}),rl(e.attributes,n.attributes));n.eventListeners&&(e.eventListeners||(e.eventListeners={}),rl(e.eventListeners,n.eventListeners));n.text&&e.text.push(...n.text);if(n.children&&n.children.length){if(e.children.length!=n.children.length)throw new hn.a("ui-template-extend-children-mismatch",e);let i=0;for(const o of n.children)t(e.children[i++],o)}}(t,nl(el(e)))}_renderNode(t){let e;if(e=t.node?this.tag&&this.text:this.tag?this.text:!this.text,e)throw new hn.a("ui-template-wrong-syntax",this);return this.text?this._renderText(t):this._renderElement(t)}_renderElement(t){let e=t.node;return e||(e=t.node=document.createElementNS(this.ns||"http://www.w3.org/1999/xhtml",this.tag)),this._renderAttributes(t),this._renderElementChildren(t),this._setUpListeners(t),e}_renderText(t){let e=t.node;return 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e=kl.defaultPositions,n=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthMiddleWest,e.southArrowNorthMiddleEast,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthMiddleWest,e.northArrowSouthMiddleEast,e.northArrowSouthWest,e.northArrowSouthEast],limiter:wl,fitInViewport:!0},t),i=kl._getOptimalPosition(n),o=parseInt(i.left),r=parseInt(i.top),s=i.name;Object.assign(this,{top:r,left:o,position:s})}pin(t){this.unpin(),this._pinWhenIsVisibleCallback=()=>{this.isVisible?this._startPinning(t):this._stopPinning()},this._startPinning(t),this.listenTo(this,"change:isVisible",this._pinWhenIsVisibleCallback)}unpin(){this._pinWhenIsVisibleCallback&&(this._stopPinning(),this.stopListening(this,"change:isVisible",this._pinWhenIsVisibleCallback),this._pinWhenIsVisibleCallback=null,this.hide())}_startPinning(t){this.attachTo(t);const e=_l(t.target),n=t.limiter?_l(t.limiter):wl;this.listenTo(or.document,"scroll",(i,o)=>{const r=o.target,s=e&&r.contains(e),a=n&&r.contains(n);!s&&!a&&e&&n||this.attachTo(t)},{useCapture:!0}),this.listenTo(or.window,"resize",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(or.document,"scroll"),this.stopListening(or.window,"resize")}}function _l(t){return nn(t)?t:ts(t)?t.commonAncestorContainer:"function"==typeof t?_l(t()):null}function vl(t,e){return t.top-e.height-kl.arrowVerticalOffset}function yl(t){return t.bottom+kl.arrowVerticalOffset}kl.arrowHorizontalOffset=25,kl.arrowVerticalOffset=10,kl._getOptimalPosition=hl,kl.defaultPositions={northWestArrowSouthWest:(t,e)=>({top:vl(t,e),left:t.left-kl.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthMiddleWest:(t,e)=>({top:vl(t,e),left:t.left-.25*e.width-kl.arrowHorizontalOffset,name:"arrow_smw"}),northWestArrowSouth:(t,e)=>({top:vl(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthMiddleEast:(t,e)=>({top:vl(t,e),left:t.left-.75*e.width+kl.arrowHorizontalOffset,name:"arrow_sme"}),northWestArrowSouthEast:(t,e)=>({top:vl(t,e),left:t.left-e.width+kl.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:vl(t,e),left:t.left+t.width/2-kl.arrowHorizontalOffset,name:"arrow_sw"}),northArrowSouthMiddleWest:(t,e)=>({top:vl(t,e),left:t.left+t.width/2-.25*e.width-kl.arrowHorizontalOffset,name:"arrow_smw"}),northArrowSouth:(t,e)=>({top:vl(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthMiddleEast:(t,e)=>({top:vl(t,e),left:t.left+t.width/2-.75*e.width+kl.arrowHorizontalOffset,name:"arrow_sme"}),northArrowSouthEast:(t,e)=>({top:vl(t,e),left:t.left+t.width/2-e.width+kl.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:vl(t,e),left:t.right-kl.arrowHorizontalOffset,name:"arrow_sw"}),northEastArrowSouthMiddleWest:(t,e)=>({top:vl(t,e),left:t.right-.25*e.width-kl.arrowHorizontalOffset,name:"arrow_smw"}),northEastArrowSouth:(t,e)=>({top:vl(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthMiddleEast:(t,e)=>({top:vl(t,e),left:t.right-.75*e.width+kl.arrowHorizontalOffset,name:"arrow_sme"}),northEastArrowSouthEast:(t,e)=>({top:vl(t,e),left:t.right-e.width+kl.arrowHorizontalOffset,name:"arrow_se"}),southWestArrowNorthWest:(t,e)=>({top:yl(t),left:t.left-kl.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthMiddleWest:(t,e)=>({top:yl(t),left:t.left-.25*e.width-kl.arrowHorizontalOffset,name:"arrow_nmw"}),southWestArrowNorth:(t,e)=>({top:yl(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthMiddleEast:(t,e)=>({top:yl(t),left:t.left-.75*e.width+kl.arrowHorizontalOffset,name:"arrow_nme"}),southWestArrowNorthEast:(t,e)=>({top:yl(t),left:t.left-e.width+kl.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:yl(t),left:t.left+t.width/2-kl.arrowHorizontalOffset,name:"arrow_nw"}),southArrowNorthMiddleWest:(t,e)=>({top:yl(t),left:t.left+t.width/2-.25*e.width-kl.arrowHorizontalOffset,name:"arrow_nmw"}),southArrowNorth:(t,e)=>({top:yl(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthMiddleEast:(t,e)=>({top:yl(t),left:t.left+t.width/2-.75*e.width+kl.arrowHorizontalOffset,name:"arrow_nme"}),southArrowNorthEast:(t,e)=>({top:yl(t),left:t.left+t.width/2-e.width+kl.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:yl(t),left:t.right-kl.arrowHorizontalOffset,name:"arrow_nw"}),southEastArrowNorthMiddleWest:(t,e)=>({top:yl(t),left:t.right-.25*e.width-kl.arrowHorizontalOffset,name:"arrow_nmw"}),southEastArrowNorth:(t,e)=>({top:yl(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthMiddleEast:(t,e)=>({top:yl(t),left:t.right-.75*e.width+kl.arrowHorizontalOffset,name:"arrow_nme"}),southEastArrowNorthEast:(t,e)=>({top:yl(t),left:t.right-e.width+kl.arrowHorizontalOffset,name:"arrow_ne"})};n(18);class xl extends ul{constructor(){super();const t=this.bindTemplate;this.set("content",""),this.set("viewBox","0 0 20 20"),this.set("fillColor",""),this.setTemplate({tag:"svg",ns:"http://www.w3.org/2000/svg",attributes:{class:["ck","ck-icon"],viewBox:t.to("viewBox")}})}render(){super.render(),this._updateXMLContent(),this._colorFillPaths(),this.on("change:content",()=>{this._updateXMLContent(),this._colorFillPaths()}),this.on("change:fillColor",()=>{this._colorFillPaths()})}_updateXMLContent(){if(this.content){const t=(new DOMParser).parseFromString(this.content.trim(),"image/svg+xml").querySelector("svg"),e=t.getAttribute("viewBox");for(e&&(this.viewBox=e),this.element.innerHTML="";t.childNodes.length>0;)this.element.appendChild(t.childNodes[0])}}_colorFillPaths(){this.fillColor&&this.element.querySelectorAll(".ck-icon__fill").forEach(t=>{t.style.fill=this.fillColor})}}n(20);class Al extends ul{constructor(t){super(t),this.set("text",""),this.set("position","s");const e=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-tooltip",e.to("position",t=>"ck-tooltip_"+t),e.if("text","ck-hidden",t=>!t.trim())]},children:[{tag:"span",attributes:{class:["ck","ck-tooltip__text"]},children:[{text:e.to("text")}]}]})}}n(22);class Cl extends ul{constructor(t){super(t);const e=this.bindTemplate,n=dn();this.set("class"),this.set("labelStyle"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("isToggleable",!1),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.set("withKeystroke",!1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(n),this.iconView=new xl,this.iconView.extendTemplate({attributes:{class:"ck-button__icon"}}),this.keystrokeView=this._createKeystrokeView(),this.bind("_tooltipString").to(this,"tooltip",this,"label",this,"keystroke",this._getTooltipString.bind(this)),this.setTemplate({tag:"button",attributes:{class:["ck","ck-button",e.to("class"),e.if("isEnabled","ck-disabled",t=>!t),e.if("isVisible","ck-hidden",t=>!t),e.to("isOn",t=>t?"ck-on":"ck-off"),e.if("withText","ck-button_with-text"),e.if("withKeystroke","ck-button_with-keystroke")],type:e.to("type",t=>t||"button"),tabindex:e.to("tabindex"),"aria-labelledby":"ck-editor__aria-label_"+n,"aria-disabled":e.if("isEnabled",!0,t=>!t),"aria-pressed":e.to("isOn",t=>!!this.isToggleable&&String(t))},children:this.children,on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(t=>{this.isEnabled?this.fire("execute"):t.preventDefault()})}})}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.tooltipView),this.children.add(this.labelView),this.withKeystroke&&this.children.add(this.keystrokeView)}focus(){this.element.focus()}_createTooltipView(){const t=new Al;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new ul,n=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:n.to("labelStyle"),id:"ck-editor__aria-label_"+t},children:[{text:this.bindTemplate.to("label")}]}),e}_createKeystrokeView(){const t=new ul;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",t=>wo(t))}]}),t}_getTooltipString(t,e,n){return t?"string"==typeof t?t:(n&&(n=wo(n)),t instanceof Function?t(e,n):`${e}${n?` (${n})`:""}`):""}}class Tl{constructor(){this.set("isFocused",!1),this.set("focusedElement",null),this._elements=new Set,this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t))throw new hn.a("focustracker-add-element-already-exist",this);this.listenTo(t,"focus",()=>this._focus(t),{useCapture:!0}),this.listenTo(t,"blur",()=>this._blur(),{useCapture:!0}),this._elements.add(t)}remove(t){t===this.focusedElement&&this._blur(t),this._elements.has(t)&&(this.stopListening(t),this._elements.delete(t))}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=t,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null,this.isFocused=!1},0)}}xn(Tl,fr),xn(Tl,Ui);n(24),n(26);const Pl=pl("px");class El extends Hc{static get pluginName(){return"ContextualBalloon"}constructor(t){super(t),this.positionLimiter=()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null},this.set("visibleView",null),this.view=new kl(t.locale),t.ui.view.body.add(this.view),t.ui.focusTracker.add(this.view.element),this._viewToStack=new Map,this._idToStack=new Map,this.set("_numberOfStacks",0),this.set("_singleViewMode",!1),this._rotatorView=this._createRotatorView(),this._fakePanelsView=this._createFakePanelsView()}hasView(t){return Array.from(this._viewToStack.keys()).includes(t)}add(t){if(this.hasView(t.view))throw new hn.a("contextualballoon-add-view-exist",[this,t]);const e=t.stackId||"main";if(!this._idToStack.has(e))return this._idToStack.set(e,new Map([[t.view,t]])),this._viewToStack.set(t.view,this._idToStack.get(e)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!t.singleViewMode||this.showStack(e));const n=this._idToStack.get(e);t.singleViewMode&&this.showStack(e),n.set(t.view,t),this._viewToStack.set(t.view,n),n===this._visibleStack&&this._showView(t)}remove(t){if(!this.hasView(t))throw new hn.a("contextualballoon-remove-view-not-exist",[this,t]);const e=this._viewToStack.get(t);this._singleViewMode&&this.visibleView===t&&(this._singleViewMode=!1),this.visibleView===t&&(1===e.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(e.values())[e.size-2])),1===e.size?(this._idToStack.delete(this._getStackId(e)),this._numberOfStacks=this._idToStack.size):e.delete(t),this._viewToStack.delete(t)}updatePosition(t){t&&(this._visibleStack.get(this.visibleView).position=t),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(t){this.visibleStack=t;const e=this._idToStack.get(t);if(!e)throw new hn.a("contextualballoon-showstack-stack-not-exist",this);this._visibleStack!==e&&this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){return Array.from(this._idToStack.entries()).find(e=>e[1]===t)[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;t[e]||(e=0),this.showStack(this._getStackId(t[e]))}_showPrevStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)-1;t[e]||(e=t.length-1),this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new Sl(this.editor.locale),e=this.editor.locale.t;return this.view.content.add(t),t.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>1),t.on("change:isNavigationVisible",()=>this.updatePosition(),{priority:"low"}),t.bind("counter").to(this,"visibleView",this,"_numberOfStacks",(t,n)=>{if(n<2)return"";const i=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("%0 of %1",[i,n])}),t.buttonNextView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showNextStack()}),t.buttonPrevView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showPrevStack()}),t}_createFakePanelsView(){const t=new Ml(this.editor.locale,this.view);return t.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>=2?Math.min(t-1,2):0),t.listenTo(this.view,"change:top",()=>t.updatePosition()),t.listenTo(this.view,"change:left",()=>t.updatePosition()),this.editor.ui.view.body.add(t),t}_showView({view:t,balloonClassName:e="",withArrow:n=!0,singleViewMode:i=!1}){this.view.class=e,this.view.withArrow=n,this._rotatorView.showView(t),this.visibleView=t,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),i&&(this._singleViewMode=!0)}_getBalloonPosition(){let t=Array.from(this._visibleStack.values()).pop().position;return t&&!t.limiter&&(t=Object.assign({},t,{limiter:this.positionLimiter})),t}}class Sl extends ul{constructor(t){super(t);const e=t.t,n=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new Tl,this.buttonPrevView=this._createButtonView(e("Previous"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.463 5.187a.888.888 0 1 1 1.254 1.255L9.16 10l3.557 3.557a.888.888 0 1 1-1.254 1.255L7.26 10.61a.888.888 0 0 1 .16-1.382l4.043-4.042z"/></svg>'),this.buttonNextView=this._createButtonView(e("Next"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.537 14.813a.888.888 0 1 1-1.254-1.255L10.84 10 7.283 6.442a.888.888 0 1 1 1.254-1.255L12.74 9.39a.888.888 0 0 1-.16 1.382l-4.043 4.042z"/></svg>'),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",n.to("isNavigationVisible",t=>t?"":"ck-hidden")]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:n.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render(),this.focusTracker.add(this.element)}showView(t){this.hideView(),this.content.add(t)}hideView(){this.content.clear()}_createButtonView(t,e){const n=new Cl(this.locale);return n.set({label:t,icon:e,tooltip:!0}),n}}class Ml extends ul{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",Pl),left:n.to("left",Pl),width:n.to("width",Pl),height:n.to("height",Pl)}},children:this.content}),this.on("change:numberOfPanels",(t,e,n,i)=>{n>i?this._addPanels(n-i):this._removePanels(i-n),this.updatePosition()})}_addPanels(t){for(;t--;){const t=new ul;t.setTemplate({tag:"div"}),this.content.add(t),this.registerChild(t)}}_removePanels(t){for(;t--;){const t=this.content.last;this.content.remove(t),this.deregisterChild(t),t.destroy()}}updatePosition(){if(this.numberOfPanels){const{top:t,left:e}=this._balloonPanelView,{width:n,height:i}=new is(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:n,height:i})}}}class Il{constructor(t){if(Object.assign(this,t),t.actions&&t.keystrokeHandler)for(const e in t.actions){let n=t.actions[e];"string"==typeof n&&(n=[n]);for(const i of n)t.keystrokeHandler.set(i,(t,n)=>{this[e](),n()})}}get first(){return this.focusables.find(Nl)||null}get last(){return this.focusables.filter(Nl).slice(-1)[0]||null}get next(){return this._getFocusableItem(1)}get previous(){return this._getFocusableItem(-1)}get current(){let t=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find((e,n)=>{const i=e.element===this.focusTracker.focusedElement;return i&&(t=n),i}),t)}focusFirst(){this._focus(this.first)}focusLast(){this._focus(this.last)}focusNext(){this._focus(this.next)}focusPrevious(){this._focus(this.previous)}_focus(t){t&&t.focus()}_getFocusableItem(t){const e=this.current,n=this.focusables.length;if(!n)return null;if(null===e)return this[1===t?"first":"last"];let i=(e+n+t)%n;do{const e=this.focusables.get(i);if(Nl(e))return e;i=(i+n+t)%n}while(i!==e);return null}}function Nl(t){return!(!t.focus||"none"==or.window.getComputedStyle(t.element).display)}class Ol extends ul{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class Rl{constructor(t,e){Rl._observerInstance||Rl._createObserver(),this._element=t,this._callback=e,Rl._addElementCallback(t,e),Rl._observerInstance.observe(t)}destroy(){Rl._deleteElementCallback(this._element,this._callback)}static _addElementCallback(t,e){Rl._elementCallbacks||(Rl._elementCallbacks=new Map);let n=Rl._elementCallbacks.get(t);n||(n=new Set,Rl._elementCallbacks.set(t,n)),n.add(e)}static _deleteElementCallback(t,e){const n=Rl._getElementCallbacks(t);n&&(n.delete(e),n.size||(Rl._elementCallbacks.delete(t),Rl._observerInstance.unobserve(t))),Rl._elementCallbacks&&!Rl._elementCallbacks.size&&(Rl._observerInstance=null,Rl._elementCallbacks=null)}static _getElementCallbacks(t){return Rl._elementCallbacks?Rl._elementCallbacks.get(t):null}static _createObserver(){let t;t="function"==typeof or.window.ResizeObserver?or.window.ResizeObserver:Dl,Rl._observerInstance=new t(t=>{for(const e of t){const t=Rl._getElementCallbacks(e.target);if(t)for(const n of t)n(e)}})}}Rl._observerInstance=null,Rl._elementCallbacks=null;class Dl{constructor(t){this._callback=t,this._elements=new Set,this._previousRects=new Map,this._periodicCheckTimeout=null}observe(t){this._elements.add(t),this._checkElementRectsAndExecuteCallback(),1===this._elements.size&&this._startPeriodicCheck()}unobserve(t){this._elements.delete(t),this._previousRects.delete(t),this._elements.size||this._stopPeriodicCheck()}_startPeriodicCheck(){const t=()=>{this._checkElementRectsAndExecuteCallback(),this._periodicCheckTimeout=setTimeout(t,100)};this.listenTo(or.window,"resize",()=>{this._checkElementRectsAndExecuteCallback()}),this._periodicCheckTimeout=setTimeout(t,100)}_stopPeriodicCheck(){clearTimeout(this._periodicCheckTimeout),this.stopListening(),this._previousRects.clear()}_checkElementRectsAndExecuteCallback(){const t=[];for(const e of this._elements)this._hasRectChanged(e)&&t.push({target:e,contentRect:this._previousRects.get(e)});t.length&&this._callback(t)}_hasRectChanged(t){if(!t.ownerDocument.body.contains(t))return!1;const e=new is(t),n=this._previousRects.get(t),i=!n||!n.isEqual(e);return this._previousRects.set(t,e),i}}xn(Dl,fr);class Ll extends ul{constructor(t){super(t);const e=this.bindTemplate;this.set("isVisible",!1),this.set("position","se"),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-dropdown__panel",e.to("position",t=>"ck-dropdown__panel_"+t),e.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:e.to(t=>t.preventDefault())}})}focus(){this.children.length&&this.children.first.focus()}focusLast(){if(this.children.length){const t=this.children.last;"function"==typeof t.focusLast?t.focusLast():t.focus()}}}n(28);class Vl extends ul{constructor(t,e,n){super(t);const i=this.bindTemplate;this.buttonView=e,this.panelView=n,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("id"),this.set("panelPosition","auto"),this.keystrokes=new jc,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",()=>{this.isOpen&&("auto"===this.panelPosition?this.panelView.position=Vl._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:this._panelPositions}).name:this.panelView.position=this.panelPosition)}),this.keystrokes.listenTo(this.element);const t=(t,e)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,e())};this.keystrokes.set("arrowdown",(t,e)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,e())}),this.keystrokes.set("arrowright",(t,e)=>{this.isOpen&&e()}),this.keystrokes.set("arrowleft",t),this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}get _panelPositions(){const{southEast:t,southWest:e,northEast:n,northWest:i}=Vl.defaultPanelPositions;return"ltr"===this.locale.uiLanguageDirection?[t,e,n,i]:[e,t,i,n]}}Vl.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"})},Vl._getOptimalPosition=hl;var jl='<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg"><path d="M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 1.06l-3.549 3.55a.75.75 0 0 1-1.168-.136L.941 4.523z"/></svg>';class zl extends Cl{constructor(t){super(t),this.arrowView=this._createArrowView(),this.extendTemplate({attributes:{"aria-haspopup":!0}}),this.delegate("execute").to(this,"open")}render(){super.render(),this.children.add(this.arrowView)}_createArrowView(){const t=new xl;return t.content=jl,t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}n(30);class Bl extends ul{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Tl,this.keystrokes=new jc,this._focusCycler=new Il({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 Fl extends ul{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 Ul extends ul{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}n(32);class Hl extends Cl{constructor(t){super(t),this.isToggleable=!0,this.toggleSwitchView=this._createToggleView(),this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render(),this.children.add(this.toggleSwitchView)}_createToggleView(){const t=new ul;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),t}}function Wl({emitter:t,activator:e,callback:n,contextElements:i}){t.listenTo(document,"mousedown",(t,o)=>{if(!e())return;const r="function"==typeof o.composedPath?o.composedPath():[];for(const t of i)if(t.contains(o.target)||r.includes(t))return;n()})}n(34),n(36);function ql(t,e=zl){const n=new e(t),i=new Ll(t),o=new Vl(t,n,i);return n.bind("isEnabled").to(o),n instanceof zl?n.bind("isOn").to(o,"isOpen"):n.arrowView.bind("isOn").to(o,"isOpen"),function(t){(function(t){t.on("render",()=>{Wl({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})})})(t),function(t){t.on("execute",e=>{e.source instanceof Hl||(t.isOpen=!1)})}(t),function(t){t.keystrokes.set("arrowdown",(e,n)=>{t.isOpen&&(t.panelView.focus(),n())}),t.keystrokes.set("arrowup",(e,n)=>{t.isOpen&&(t.panelView.focusLast(),n())})}(t)}(o),o}function $l(t,e){const n=t.locale,i=t.listView=new Bl(n);i.items.bindTo(e).using(({type:t,model:e})=>{if("separator"===t)return new Ul(n);if("button"===t||"switchbutton"===t){const i=new Fl(n);let o;return o="button"===t?new Cl(n):new Hl(n),o.bind(...Object.keys(e)).to(e),o.delegate("execute").to(i),i.children.add(o),i}}),t.panelView.children.add(i),i.items.delegate("execute").to(t)}n(38);class Yl extends ul{constructor(t,e){super(t);const n=this.bindTemplate,i=this.t;var o;this.options=e||{},this.set("ariaLabel",i("Editor toolbar")),this.set("maxWidth","auto"),this.items=this.createCollection(),this.focusTracker=new Tl,this.keystrokes=new jc,this.set("class"),this.set("isCompact",!1),this.itemsView=new Gl(t),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection(),this._focusCycler=new Il({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar",n.to("class"),n.if("isCompact","ck-toolbar_compact")],role:"toolbar","aria-label":n.to("ariaLabel"),style:{maxWidth:n.to("maxWidth")}},children:this.children,on:{mousedown:(o=this,o.bindTemplate.to(t=>{t.target===o.element&&t.preventDefault()}))}}),this._behavior=this.options.shouldGroupWhenFull?new Ql(this):new Kl(this)}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element),this._behavior.render(this)}destroy(){return this._behavior.destroy(),super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){this.items.addMany(t.map(t=>"|"==t?new Ol:e.has(t)?e.create(t):void Object(hn.c)("toolbarview-item-unavailable",{name:t})).filter(t=>void 0!==t))}}class Gl extends ul{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class Kl{constructor(t){const e=t.bindTemplate;t.set("isVertical",!1),t.itemsView.children.bindTo(t.items).using(t=>t),t.focusables.bindTo(t.items).using(t=>t),t.extendTemplate({attributes:{class:[e.if("isVertical","ck-toolbar_vertical")]}})}render(){}destroy(){}}class Ql{constructor(t){this.view=t,this.viewChildren=t.children,this.viewFocusables=t.focusables,this.viewItemsView=t.itemsView,this.viewFocusTracker=t.focusTracker,this.viewLocale=t.locale,this.ungroupedItems=t.createCollection(),this.groupedItems=t.createCollection(),this.groupedItemsDropdown=this._createGroupedItemsDropdown(),this.resizeObserver=null,this.cachedPadding=null,this.shouldUpdateGroupingOnNextResize=!1,t.itemsView.children.bindTo(this.ungroupedItems).using(t=>t),this.ungroupedItems.on("add",this._updateFocusCycleableItems.bind(this)),this.ungroupedItems.on("remove",this._updateFocusCycleableItems.bind(this)),t.children.on("add",this._updateFocusCycleableItems.bind(this)),t.children.on("remove",this._updateFocusCycleableItems.bind(this)),t.items.on("change",(t,e)=>{const n=e.index;for(const t of e.removed)n>=this.ungroupedItems.length?this.groupedItems.remove(t):this.ungroupedItems.remove(t);for(let t=n;t<n+e.added.length;t++){const i=e.added[t-n];t>this.ungroupedItems.length?this.groupedItems.add(i,t-this.ungroupedItems.length):this.ungroupedItems.add(i,t)}this._updateGrouping()}),t.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(t){this.viewElement=t.element,this._enableGroupingOnResize(),this._enableGroupingOnMaxWidthChange(t)}destroy(){this.groupedItemsDropdown.destroy(),this.resizeObserver.destroy()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement))return;if(!this.viewElement.offsetParent)return void(this.shouldUpdateGroupingOnNextResize=!0);const t=this.groupedItems.length;let e;for(;this._areItemsOverflowing;)this._groupLastItem(),e=!0;if(!e&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}this.groupedItems.length!==t&&this.view.fire("groupedItemsUpdate")}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const t=this.viewElement,e=this.viewLocale.uiLanguageDirection,n=new is(t.lastChild),i=new is(t);if(!this.cachedPadding){const n=or.window.getComputedStyle(t),i="ltr"===e?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(n[i])}return"ltr"===e?n.right>i.right-this.cachedPadding:n.left<i.left+this.cachedPadding}_enableGroupingOnResize(){let t;this.resizeObserver=new Rl(this.viewElement,e=>{t&&t===e.contentRect.width&&!this.shouldUpdateGroupingOnNextResize||(this.shouldUpdateGroupingOnNextResize=!1,this._updateGrouping(),t=e.contentRect.width)}),this._updateGrouping()}_enableGroupingOnMaxWidthChange(t){t.on("change:maxWidth",()=>{this._updateGrouping()})}_groupLastItem(){this.groupedItems.length||(this.viewChildren.add(new Ol),this.viewChildren.add(this.groupedItemsDropdown),this.viewFocusTracker.add(this.groupedItemsDropdown.element)),this.groupedItems.add(this.ungroupedItems.remove(this.ungroupedItems.last),0)}_ungroupFirstItem(){this.ungroupedItems.add(this.groupedItems.remove(this.groupedItems.first)),this.groupedItems.length||(this.viewChildren.remove(this.groupedItemsDropdown),this.viewChildren.remove(this.viewChildren.last),this.viewFocusTracker.remove(this.groupedItemsDropdown.element))}_createGroupedItemsDropdown(){const t=this.viewLocale,e=t.t,n=ql(t);return n.class="ck-toolbar__grouped-dropdown",n.panelPosition="ltr"===t.uiLanguageDirection?"sw":"se",function(t,e){const n=t.locale,i=n.t,o=t.toolbarView=new Yl(n);o.set("ariaLabel",i("Dropdown toolbar")),t.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),e.map(t=>o.items.add(t)),t.panelView.children.add(o),o.items.delegate("execute").to(t)}(n,[]),n.buttonView.set({label:e("Show more items"),tooltip:!0,icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="9.5" cy="4.5" r="1.5"/><circle cx="9.5" cy="10.5" r="1.5"/><circle cx="9.5" cy="16.5" r="1.5"/></svg>'}),n.toolbarView.items.bindTo(this.groupedItems).using(t=>t),n}_updateFocusCycleableItems(){this.viewFocusables.clear(),this.ungroupedItems.map(t=>{this.viewFocusables.add(t)}),this.groupedItems.length&&this.viewFocusables.add(this.groupedItemsDropdown)}}const Jl=pl("px");class Zl extends Hc{static get pluginName(){return"BalloonToolbar"}static get requires(){return[El]}constructor(t){var e;super(t),this._balloonConfig=(e=t.config.get("balloonToolbar"),Array.isArray(e)?{items:e}:e?Object.assign({items:[]},e):{items:[]}),this.toolbarView=this._createToolbarView(),this.focusTracker=new Tl,t.ui.once("ready",()=>{this.focusTracker.add(t.ui.getEditableElement()),this.focusTracker.add(this.toolbarView.element)}),this._resizeObserver=null,this._balloon=t.plugins.get(El),this._fireSelectionChangeDebounced=Gr(()=>this.fire("_selectionChangeDebounced"),200),this.decorate("show")}init(){const t=this.editor,e=t.model.document.selection;this.listenTo(this.focusTracker,"change:isFocused",(t,e,n)=>{const i=this._balloon.visibleView===this.toolbarView;!n&&i?this.hide():n&&this.show()}),this.listenTo(e,"change:range",(t,n)=>{(n.directChange||e.isCollapsed)&&this.hide(),this._fireSelectionChangeDebounced()}),this.listenTo(this,"_selectionChangeDebounced",()=>{this.editor.editing.view.document.isFocused&&this.show()}),this._balloonConfig.shouldNotGroupWhenFull||this.listenTo(t,"ready",()=>{const e=t.ui.view.editable.element;this._resizeObserver=new Rl(e,()=>{this.toolbarView.maxWidth=Jl(.9*new is(e).width)})}),this.listenTo(this.toolbarView,"groupedItemsUpdate",()=>{this._updatePosition()})}afterInit(){const t=this.editor.ui.componentFactory;this.toolbarView.fillFromConfig(this._balloonConfig.items,t)}_createToolbarView(){const t=!this._balloonConfig.shouldNotGroupWhenFull,e=new Yl(this.editor.locale,{shouldGroupWhenFull:t});return e.extendTemplate({attributes:{class:["ck-toolbar_floating"]}}),e.render(),e}show(){const t=this.editor,e=t.model.document.selection,n=t.model.schema;this._balloon.hasView(this.toolbarView)||e.isCollapsed||function(t,e){if(1===t.rangeCount)return!1;return[...t.getRanges()].every(t=>{const n=t.getContainedElement();return n&&e.isSelectable(n)})}(e,n)||Array.from(this.toolbarView.items).every(t=>void 0!==t.isEnabled&&!t.isEnabled)||(this.listenTo(this.editor.ui,"update",()=>{this._updatePosition()}),this._balloon.add({view:this.toolbarView,position:this._getBalloonPositionData(),balloonClassName:"ck-toolbar-container"}))}hide(){this._balloon.hasView(this.toolbarView)&&(this.stopListening(this.editor.ui,"update"),this._balloon.remove(this.toolbarView))}_getBalloonPositionData(){const t=this.editor.editing.view,e=t.document,n=e.selection,i=e.selection.isBackward;return{target:()=>{const e=i?n.getFirstRange():n.getLastRange(),o=is.getDomRangeRects(t.domConverter.viewRangeToDom(e));return i?o[0]:(o.length>1&&0===o[o.length-1].width&&o.pop(),o[o.length-1])},positions:Xl(i)}}_updatePosition(){this._balloon.updatePosition(this._getBalloonPositionData())}destroy(){super.destroy(),this.stopListening(),this._fireSelectionChangeDebounced.cancel(),this.toolbarView.destroy(),this.focusTracker.destroy(),this._resizeObserver&&this._resizeObserver.destroy()}}function Xl(t){const e=kl.defaultPositions;return t?[e.northWestArrowSouth,e.northWestArrowSouthWest,e.northWestArrowSouthEast,e.northWestArrowSouthMiddleEast,e.northWestArrowSouthMiddleWest,e.southWestArrowNorth,e.southWestArrowNorthWest,e.southWestArrowNorthEast,e.southWestArrowNorthMiddleWest,e.southWestArrowNorthMiddleEast]:[e.southEastArrowNorth,e.southEastArrowNorthEast,e.southEastArrowNorthWest,e.southEastArrowNorthMiddleEast,e.southEastArrowNorthMiddleWest,e.northEastArrowSouth,e.northEastArrowSouthEast,e.northEastArrowSouthWest,e.northEastArrowSouthMiddleEast,e.northEastArrowSouthMiddleWest]}class td{constructor(t){this.editor=t,this._components=new Map}*names(){for(const t of this._components.values())yield t.originalName}add(t,e){this._components.set(ed(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new hn.a("componentfactory-item-missing",this,{name:t});return this._components.get(ed(t)).callback(this.editor.locale)}has(t){return this._components.has(ed(t))}}function ed(t){return String(t).toLowerCase()}class nd{constructor(t){this.editor=t,this.componentFactory=new td(t),this.focusTracker=new Tl,this._editableElementsMap=new Map,this.listenTo(t.editing.view.document,"layoutChanged",()=>this.update())}get element(){return null}update(){this.fire("update")}destroy(){this.stopListening(),this.focusTracker.destroy();for(const t of this._editableElementsMap.values())t.ckeditorInstance=null;this._editableElementsMap=new Map}setEditableElement(t,e){this._editableElementsMap.set(t,e),e.ckeditorInstance||(e.ckeditorInstance=this.editor)}getEditableElement(t="main"){return this._editableElementsMap.get(t)}getEditableElementsNames(){return this._editableElementsMap.keys()}get _editableElements(){return console.warn("editor-ui-deprecated-editable-elements: The EditorUI#_editableElements property has been deprecated and will be removed in the near future.",{editorUI:this}),this._editableElementsMap}}xn(nd,mn);n(40);const id=new WeakMap;function od(t){const{view:e,element:n,text:i,isDirectHost:o=!0}=t,r=e.document;id.has(r)||(id.set(r,new Map),r.registerPostFixer(t=>sd(r,t))),id.get(r).set(n,{text:i,isDirectHost:o}),e.change(t=>sd(r,t))}function rd(t,e){return!!e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),!0)}function sd(t,e){const n=id.get(t);let i=!1;for(const[t,o]of n)ad(e,t,o)&&(i=!0);return i}function ad(t,e,n){const{text:i,isDirectHost:o}=n,r=o?e:function(t){if(1===t.childCount){const e=t.getChild(0);if(e.is("element")&&!e.is("uiElement"))return e}return null}(e);let s=!1;return!!r&&(n.hostElement=r,r.getAttribute("data-placeholder")!==i&&(t.setAttribute("data-placeholder",i,r),s=!0),!function(t){if(!t.isAttached())return!1;const e=!Array.from(t.getChildren()).some(t=>!t.is("uiElement")),n=t.document;if(!n.isFocused&&e)return!0;const i=n.selection.anchor;return!(!e||!i||i.parent===t)}(r)?rd(t,r)&&(s=!0):function(t,e){return!e.hasClass("ck-placeholder")&&(t.addClass("ck-placeholder",e),!0)}(t,r)&&(s=!0),s)}class cd extends nd{constructor(t,e){super(t),this.view=e}get element(){return this.view.editable.element}init(){const t=this.editor,e=this.view,n=t.plugins.get("BalloonToolbar"),i=t.editing.view,o=e.editable,r=i.document.getRoot();o.name=r.rootName,e.render();const s=o.element;this.setEditableElement(o.name,s),this.focusTracker.add(s),o.bind("isFocused").to(this.focusTracker),i.attachDomRoot(s),function({origin:t,originKeystrokeHandler:e,originFocusTracker:n,toolbar:i,beforeFocus:o,afterBlur:r}){n.add(i.element),e.set("Alt+F10",(t,e)=>{n.isFocused&&!i.focusTracker.isFocused&&(o&&o(),i.focus(),e())}),i.keystrokes.set("Esc",(e,n)=>{i.focusTracker.isFocused&&(t.focus(),r&&r(),n())})}({origin:i,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:n.toolbarView,beforeFocus(){n.show()},afterBlur(){n.hide()}}),this._initPlaceholder(),this.fire("ready")}destroy(){const t=this.view;this.editor.editing.view.detachDomRoot(t.editable.name),t.destroy(),super.destroy()}_initPlaceholder(){const t=this.editor,e=t.editing.view,n=e.document.getRoot(),i=t.sourceElement,o=t.config.get("placeholder")||i&&"textarea"===i.tagName.toLowerCase()&&i.getAttribute("placeholder");o&&od({view:e,element:n,text:o,isDirectHost:!1})}}var ld=function(t){return"string"==typeof t||!Dt(t)&&p(t)&&"[object String]"==f(t)};class dd extends qc{constructor(t,e=[]){super(e),this.locale=t}attachToDom(){this._bodyCollectionContainer=new $c({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"],dir:this.locale.uiLanguageDirection},children:this}).render();let t=document.querySelector(".ck-body-wrapper");t||(t=function(t,e,n={},i=[]){const o=n&&n.xmlns,r=o?t.createElementNS(o,e):t.createElement(e);for(const t in n)r.setAttribute(t,n[t]);!ld(i)&&yn(i)||(i=[i]);for(let e of i)ld(e)&&(e=t.createTextNode(e)),r.appendChild(e);return r}(document,"div",{class:"ck-body-wrapper"}),document.body.appendChild(t)),t.appendChild(this._bodyCollectionContainer)}detachFromDom(){super.destroy(),this._bodyCollectionContainer&&this._bodyCollectionContainer.remove();const t=document.querySelector(".ck-body-wrapper");t&&0==t.childElementCount&&t.remove()}}n(42);class ud extends ul{constructor(t){super(t),this.body=new dd(t)}render(){super.render(),this.body.attachToDom()}destroy(){return this.body.detachFromDom(),super.destroy()}}class hd extends ul{constructor(t,e,n){super(t),this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:t.contentLanguage,dir:t.contentLanguageDirection}}),this.name=null,this.set("isFocused",!1),this._editableElement=n,this._hasExternalElement=!!this._editableElement,this._editingView=e}render(){super.render(),this._hasExternalElement?this.template.apply(this.element=this._editableElement):this._editableElement=this.element,this.on("change:isFocused",()=>this._updateIsFocusedClasses()),this._updateIsFocusedClasses()}destroy(){this._hasExternalElement&&this.template.revert(this._editableElement),super.destroy()}_updateIsFocusedClasses(){const t=this._editingView;function e(e){t.change(n=>{const i=t.document.getRoot(e.name);n.addClass(e.isFocused?"ck-focused":"ck-blurred",i),n.removeClass(e.isFocused?"ck-blurred":"ck-focused",i)})}t.isRenderingInProgress?function n(i){t.once("change:isRenderingInProgress",(t,o,r)=>{r?n(i):e(i)})}(this):e(this)}}class fd extends hd{constructor(t,e,n){super(t,e,n),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView,e=this.t;t.change(n=>{const i=t.document.getRoot(this.name);n.setAttribute("aria-label",e("Rich Text Editor, %0",this.name),i)})}}class gd extends ud{constructor(t,e,n){super(t),this.editable=new fd(t,e,n)}render(){super.render(),this.registerChild(this.editable)}}function md(t,e){t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}var pd={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};var bd={updateSourceElement(){if(!this.sourceElement)throw new hn.a("editor-missing-sourceelement",this);md(this.sourceElement,this.data.get())}};class wd extends Bc{constructor(t,e){super(e),nn(t)&&(this.sourceElement=t,function(t){const e=t.sourceElement;if(e){if(e.ckeditorInstance)throw new hn.a("editor-source-element-already-used",t);e.ckeditorInstance=t,t.once("destroy",()=>{delete e.ckeditorInstance})}}(this));const n=this.config.get("plugins");n.push(Zl),this.config.set("plugins",n),this.config.define("balloonToolbar",this.config.get("toolbar")),this.data.processor=new Uc(this.data.viewDocument),this.model.document.createRoot();const i=new gd(this.locale,this.editing.view,this.sourceElement);this.ui=new cd(this,i),function(t){if(!z(t.updateSourceElement))throw new hn.a("attachtoform-missing-elementapi-interface",t);const e=t.sourceElement;if(e&&"textarea"===e.tagName.toLowerCase()&&e.form){let n;const i=e.form,o=()=>t.updateSourceElement();z(i.submit)&&(n=i.submit,i.submit=()=>{o(),n.apply(i)}),i.addEventListener("submit",o),t.on("destroy",()=>{i.removeEventListener("submit",o),n&&(i.submit=n)})}}(this)}destroy(){const t=this.getData();return this.ui.destroy(),super.destroy().then(()=>{this.sourceElement&&md(this.sourceElement,t)})}static create(t,e={}){return new Promise(n=>{const i=nn(t);if(i&&"TEXTAREA"===t.tagName)throw new hn.a("editor-wrong-element",null);const o=new this(t,e);n(o.initPlugins().then(()=>{o.ui.init()}).then(()=>{if(!i&&e.initialData)throw new hn.a("editor-create-initial-data",null);const n=e.initialData||function(t){return nn(t)?(e=t,e instanceof HTMLTextAreaElement?e.value:e.innerHTML):t;var e}(t);return o.data.init(n)}).then(()=>o.fire("ready")).then(()=>o))})}}xn(wd,pd),xn(wd,bd);class kd{constructor(t){this.files=function(t){const e=t.files?Array.from(t.files):[],n=t.items?Array.from(t.items):[];if(e.length)return e;return n.filter(t=>"file"===t.kind).map(t=>t.getAsFile())}(t),this._native=t}get types(){return this._native.types}getData(t){return this._native.getData(t)}setData(t,e){this._native.setData(t,e)}}class _d extends Vr{constructor(t){super(t);const e=this.document;function n(t,n){n.preventDefault();const i=n.dropRange?[n.dropRange]:Array.from(e.selection.getRanges()),o=new cn(e,"clipboardInput");e.fire(o,{dataTransfer:n.dataTransfer,targetRanges:i}),o.stop.called&&n.stopPropagation()}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(e,"paste",n,{priority:"low"}),this.listenTo(e,"drop",n,{priority:"low"})}onDomEvent(t){const e={dataTransfer:new kd(t.clipboardData?t.clipboardData:t.dataTransfer)};"drop"==t.type&&(e.dropRange=function(t,e){const n=e.target.ownerDocument,i=e.clientX,o=e.clientY;let r;n.caretRangeFromPoint&&n.caretRangeFromPoint(i,o)?r=n.caretRangeFromPoint(i,o):e.rangeParent&&(r=n.createRange(),r.setStart(e.rangeParent,e.rangeOffset),r.collapse(!0));return r?t.domConverter.domRangeToView(r):t.document.selection.getFirstRange()}(this.view,t)),this.fire(t.type,t,e)}}class vd extends Hc{static get pluginName(){return"PastePlainText"}init(){const t=this.editor.editing.view,e=t.document;let n=!1;t.addObserver(_d),this.listenTo(e,"keydown",(t,e)=>{n=e.shiftKey}),this.listenTo(e,"clipboardInput",(t,e)=>{n&&(e.asPlainText=!0)},{priority:"high"})}}const yd=["figcaption","li"];class xd extends Hc{static get pluginName(){return"Clipboard"}static get requires(){return[vd]}init(){const t=this.editor,e=t.model.document,n=t.editing.view,i=n.document;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._htmlDataProcessor=new Uc(i),n.addObserver(_d),this.listenTo(i,"clipboardInput",e=>{t.isReadOnly&&e.stop()},{priority:"highest"}),this.listenTo(i,"clipboardInput",(t,e)=>{const i=e.dataTransfer;let o="";var r;i.getData("text/html")?o=function(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1==e.length?" ":e)}(i.getData("text/html")):i.getData("text/plain")&&(((r=(r=i.getData("text/plain")).replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\r?\n\r?\n/g,"</p><p>").replace(/\r?\n/g,"<br>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).includes("</p><p>")||r.includes("<br>"))&&(r=`<p>${r}</p>`),o=r),o=this._htmlDataProcessor.toView(o);const s=new cn(this,"inputTransformation");this.fire(s,{content:o,dataTransfer:i,asPlainText:e.asPlainText}),s.stop.called&&t.stop(),n.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(n,i)=>{if(!i.content.isEmpty){const o=this.editor.data,r=this.editor.model,s=o.toModel(i.content,"$clipboardHolder");if(0==s.childCount)return;if(i.asPlainText||function(t){if(t.childCount>1)return!1;return 0==[...t.getChild(0).getAttributeKeys()].length}(s)){const n=new Map(Array.from(e.selection.getAttributes()).filter(e=>t.model.schema.getAttributeProperties(e[0]).isFormatting));r.change(t=>{const e=t.createRangeIn(s);for(const i of e.getItems())(i.is("$text")||i.is("$textProxy"))&&t.setAttributes(n,i)})}r.insertContent(s),n.stop()}},{priority:"low"}),this.listenTo(i,"copy",o,{priority:"low"}),this.listenTo(i,"cut",(e,n)=>{t.isReadOnly?n.preventDefault():o(e,n)},{priority:"low"}),this.listenTo(i,"clipboardOutput",(n,i)=>{i.content.isEmpty||(i.dataTransfer.setData("text/html",this._htmlDataProcessor.toData(i.content)),i.dataTransfer.setData("text/plain",function t(e){let n="";if(e.is("$text")||e.is("$textProxy"))n=e.data;else if(e.is("element","img")&&e.hasAttribute("alt"))n=e.getAttribute("alt");else if(e.is("element","br"))n="\n";else{let i=null;for(const o of e.getChildren()){const e=t(o);i&&(i.is("containerElement")||o.is("containerElement"))&&(yd.includes(i.name)||yd.includes(o.name)?n+="\n":n+="\n\n"),n+=e,i=o}}return n}(i.content))),"cut"==i.method&&t.model.deleteContent(e.selection)},{priority:"low"})}}class Ad{constructor(t){this.editor=t,this.set("value",void 0),this.set("isEnabled",!1),this._disableStack=new Set,this.decorate("execute"),this.listenTo(this.editor.model.document,"change",()=>{this.refresh()}),this.on("execute",t=>{this.isEnabled||t.stop()},{priority:"high"}),this.listenTo(t,"change:isReadOnly",(t,e,n)=>{n?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})}refresh(){this.isEnabled=!0}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",Cd,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",Cd),this.refresh())}execute(){}destroy(){this.stopListening()}}function Cd(t){t.return=!1,t.stop()}function*Td(t,e){for(const n of e)n&&t.getAttributeProperties(n[0]).copyOnEnter&&(yield n)}xn(Ad,Ui);class Pd extends Ad{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n,i){const o=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(i.isLimit(s)||i.isLimit(a))return void(o||s!=a||t.deleteContent(n));if(o){const t=Td(e.model.schema,n.getAttributes());Ed(e,r.start),e.setSelectionAttribute(t)}else{const i=!(r.start.isAtStart&&r.end.isAtEnd),o=s==a;t.deleteContent(n,{leaveUnmerged:i}),i&&(o?Ed(e,n.focus):e.setSelection(a,0))}}(this.editor.model,n,e.selection,t.schema),this.fire("afterExecute",{writer:n})})}}function Ed(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class Sd extends pr{constructor(t){super(t);const e=this.document;e.on("keydown",(t,n)=>{if(this.isEnabled&&n.keyCode==mo.enter){let i;e.once("enter",t=>i=t,{priority:"highest"}),e.fire("enter",new Lr(e,n.domEvent,{isSoft:n.shiftKey})),i&&i.stop.called&&t.stop()}})}observe(){}}class Md extends Hc{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(Sd),t.commands.add("enter",new Pd(t)),this.listenTo(n,"enter",(n,i)=>{i.preventDefault(),i.isSoft||(t.execute("enter"),e.scrollToTheSelection())},{priority:"low"})}}class Id extends Ad{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n){const i=n.isCollapsed,o=n.getFirstRange(),r=o.start.parent,s=o.end.parent,a=r==s;if(i){const i=Td(t.schema,n.getAttributes());Nd(t,e,o.end),e.removeSelectionAttribute(n.getAttributeKeys()),e.setSelectionAttribute(i)}else{const i=!(o.start.isAtStart&&o.end.isAtEnd);t.deleteContent(n,{leaveUnmerged:i}),a?Nd(t,e,n.focus):i&&e.setSelection(s,0)}}(t,n,e.selection),this.fire("afterExecute",{writer:n})})}refresh(){const t=this.editor.model,e=t.document;this.isEnabled=function(t,e){if(e.rangeCount>1)return!1;const n=e.anchor;if(!n||!t.checkChild(n,"softBreak"))return!1;const i=e.getFirstRange(),o=i.start.parent,r=i.end.parent;if((Od(o,t)||Od(r,t))&&o!==r)return!1;return!0}(t.schema,e.selection)}}function Nd(t,e,n){const i=e.createElement("softBreak");t.insertContent(i,n),e.setSelection(i,"after")}function Od(t,e){return!t.is("rootElement")&&(e.isLimit(t)||Od(t.parent,e))}class Rd extends Hc{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor,e=t.model.schema,n=t.conversion,i=t.editing.view,o=i.document;e.register("softBreak",{allowWhere:"$text",isInline:!0}),n.for("upcast").elementToElement({model:"softBreak",view:"br"}),n.for("downcast").elementToElement({model:"softBreak",view:(t,{writer:e})=>e.createEmptyElement("br")}),i.addObserver(Sd),t.commands.add("shiftEnter",new Id(t)),this.listenTo(o,"enter",(e,n)=>{n.preventDefault(),n.isSoft&&(t.execute("shiftEnter"),i.scrollToTheSelection())},{priority:"low"})}}class Dd extends Ad{execute(){const t=this.editor.model,e=t.document.selection;let n=t.schema.getLimitElement(e);if(e.containsEntireContent(n)||!Ld(t.schema,n))do{if(n=n.parent,!n)return}while(!Ld(t.schema,n));t.change(t=>{t.setSelection(n,"in")})}}function Ld(t,e){return t.isLimit(e)&&(t.checkChild(e,"$text")||t.checkChild(e,"paragraph"))}const Vd=bo("Ctrl+A");class jd extends Hc{static get pluginName(){return"SelectAllEditing"}init(){const t=this.editor,e=t.editing.view.document;t.commands.add("selectAll",new Dd(t)),this.listenTo(e,"keydown",(e,n)=>{po(n)===Vd&&(t.execute("selectAll"),n.preventDefault())})}}class zd extends Hc{static get pluginName(){return"SelectAllUI"}init(){const t=this.editor;t.ui.componentFactory.add("selectAll",e=>{const n=t.commands.get("selectAll"),i=new Cl(e),o=e.t;return i.set({label:o("Select all"),icon:'<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><path d="M.75 15.5a.75.75 0 0 1 .75.75V18l.008.09A.5.5 0 0 0 2 18.5h1.75a.75.75 0 1 1 0 1.5H1.5l-.144-.007a1.5 1.5 0 0 1-1.35-1.349L0 18.5v-2.25a.75.75 0 0 1 .75-.75zm18.5 0a.75.75 0 0 1 .75.75v2.25l-.007.144a1.5 1.5 0 0 1-1.349 1.35L18.5 20h-2.25a.75.75 0 1 1 0-1.5H18a.5.5 0 0 0 .492-.41L18.5 18v-1.75a.75.75 0 0 1 .75-.75zm-10.45 3c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm.45-5.5a.75.75 0 1 1 0 1.5h-8.5a.75.75 0 1 1 0-1.5h8.5zM1.3 11c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM1.3 7c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5h-2.5a.75.75 0 1 1 0-1.5h2.5zm-5 0a.75.75 0 1 1 0 1.5h-5.5a.75.75 0 0 1 0-1.5h5.5zm-6.5-5a.75.75 0 0 1 0 1.5H2a.5.5 0 0 0-.492.41L1.5 2v1.75a.75.75 0 0 1-1.5 0V1.5l.007-.144A1.5 1.5 0 0 1 1.356.006L1.5 0h2.25zM18.5 0l.144.007a1.5 1.5 0 0 1 1.35 1.349L20 1.5v2.25a.75.75 0 1 1-1.5 0V2l-.008-.09A.5.5 0 0 0 18 1.5h-1.75a.75.75 0 1 1 0-1.5h2.25zM8.8 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6z"/></svg>',keystroke:"Ctrl+A",tooltip:!0}),i.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(i,"execute",()=>{t.execute("selectAll"),t.editing.view.focus()}),i})}}class Bd extends Hc{static get requires(){return[jd,zd]}static get pluginName(){return"SelectAll"}}class Fd{constructor(t,e=20){this.model=t,this.size=0,this.limit=e,this.isLocked=!1,this._changeCallback=(t,e)=>{"transparent"!=e.type&&e!==this._batch&&this._reset(!0)},this._selectionChangeCallback=()=>{this._reset()},this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch()),this._batch}input(t){this.size+=t,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(t){this.isLocked&&!t||(this._batch=null,this.size=0)}}class Ud extends Ad{constructor(t,e){super(t),this._buffer=new Fd(t.model,e),this._batches=new WeakSet}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(t={}){const e=this.editor.model,n=e.document,i=t.text||"",o=i.length,r=t.range?e.createSelection(t.range):n.selection,s=t.resultRange;e.enqueueChange(this._buffer.batch,t=>{this._buffer.lock(),this._batches.add(this._buffer.batch),e.deleteContent(r),i&&e.insertContent(t.createText(i,n.selection.getAttributes()),r),s?t.setSelection(s):r.is("documentSelection")||t.setSelection(r),this._buffer.unlock(),this._buffer.input(o)})}}const Hd=[po("arrowUp"),po("arrowRight"),po("arrowDown"),po("arrowLeft"),9,16,17,18,19,20,27,33,34,35,36,45,91,93,144,145,173,174,175,176,177,178,179,255];for(let t=112;t<=135;t++)Hd.push(t);function Wd(t){return!!t.ctrlKey||Hd.includes(t.keyCode)}function qd(t){if(t.newChildren.length-t.oldChildren.length!=1)return;const e=function(t,e){const n=[];let i,o=0;return t.forEach(t=>{"equal"==t?(r(),o++):"insert"==t?(s("insert")?i.values.push(e[o]):(r(),i={type:"insert",index:o,values:[e[o]]}),o++):s("delete")?i.howMany++:(r(),i={type:"delete",index:o,howMany:1})}),r(),n;function r(){i&&(n.push(i),i=null)}function s(t){return i&&i.type==t}}(Qo(t.oldChildren,t.newChildren,$d),t.newChildren);if(e.length>1)return;const n=e[0];return n.values[0]&&n.values[0].is("$text")?n:void 0}function $d(t,e){return t&&t.is("$text")&&e&&e.is("$text")?t.data===e.data:t===e}class Yd{constructor(t){this.editor=t,this.editing=this.editor.editing}handle(t,e){if(function(t){if(0==t.length)return!1;for(const e of t)if("children"===e.type&&!qd(e))return!0;return!1}(t))this._handleContainerChildrenMutations(t,e);else for(const n of t)this._handleTextMutation(n,e),this._handleTextNodeInsertion(n)}_handleContainerChildrenMutations(t,e){const n=function(t){const e=t.map(t=>t.node).reduce((t,e)=>t.getCommonAncestor(e,{includeSelf:!0}));if(!e)return;return e.getAncestors({includeSelf:!0,parentFirst:!0}).find(t=>t.is("containerElement")||t.is("rootElement"))}(t);if(!n)return;const i=this.editor.editing.view.domConverter.mapViewToDom(n),o=new cr(this.editor.editing.view.document),r=this.editor.data.toModel(o.domToView(i)).getChild(0),s=this.editor.editing.mapper.toModelElement(n);if(!s)return;const a=Array.from(r.getChildren()),c=Array.from(s.getChildren()),l=a[a.length-1],d=c[c.length-1],u=l&&l.is("element","softBreak"),h=d&&!d.is("element","softBreak");u&&h&&a.pop();const f=this.editor.model.schema;if(!Gd(a,f)||!Gd(c,f))return;const g=a.map(t=>t.is("$text")?t.data:"@").join("").replace(/\u00A0/g," "),m=c.map(t=>t.is("$text")?t.data:"@").join("").replace(/\u00A0/g," ");if(m===g)return;const p=Qo(m,g),{firstChangeAt:b,insertions:w,deletions:k}=Kd(p);let _=null;e&&(_=this.editing.mapper.toModelRange(e.getFirstRange()));const v=g.substr(b,w),y=this.editor.model.createRange(this.editor.model.createPositionAt(s,b),this.editor.model.createPositionAt(s,b+k));this.editor.execute("input",{text:v,range:y,resultRange:_})}_handleTextMutation(t,e){if("text"!=t.type)return;const n=t.newText.replace(/\u00A0/g," "),i=t.oldText.replace(/\u00A0/g," ");if(i===n)return;const o=Qo(i,n),{firstChangeAt:r,insertions:s,deletions:a}=Kd(o);let c=null;e&&(c=this.editing.mapper.toModelRange(e.getFirstRange()));const l=this.editing.view.createPositionAt(t.node,r),d=this.editing.mapper.toModelPosition(l),u=this.editor.model.createRange(d,d.getShiftedBy(a)),h=n.substr(r,s);this.editor.execute("input",{text:h,range:u,resultRange:c})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=qd(t),n=this.editing.view.createPositionAt(t.node,e.index),i=this.editing.mapper.toModelPosition(n),o=e.values[0].data;this.editor.execute("input",{text:o.replace(/\u00A0/g," "),range:this.editor.model.createRange(i)})}}function Gd(t,e){return t.every(t=>e.isInline(t))}function Kd(t){let e=null,n=null;for(let i=0;i<t.length;i++){"equal"!=t[i]&&(e=null===e?i:e,n=i)}let i=0,o=0;for(let r=e;r<=n;r++)"insert"!=t[r]&&i++,"delete"!=t[r]&&o++;return{insertions:o,deletions:i,firstChangeAt:e}}class Qd extends Hc{static get pluginName(){return"Input"}init(){const t=this.editor,e=new Ud(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),function(t){let e=null;const n=t.model,i=t.editing.view,o=t.commands.get("input");function r(t){const r=n.document,a=i.document.isComposing,c=e&&e.isEqual(r.selection);e=null,o.isEnabled&&(Wd(t)||r.selection.isCollapsed||a&&229===t.keyCode||!a&&229===t.keyCode&&c||s())}function s(){const t=o.buffer;t.lock();const e=t.batch;o._batches.add(e),n.enqueueChange(e,()=>{n.deleteContent(n.document.selection)}),t.unlock()}ho.isAndroid?i.document.on("beforeinput",(t,e)=>r(e),{priority:"lowest"}):i.document.on("keydown",(t,e)=>r(e),{priority:"lowest"}),i.document.on("compositionstart",(function(){const t=n.document,e=1!==t.selection.rangeCount||t.selection.getFirstRange().isFlat;if(t.selection.isCollapsed||e)return;s()}),{priority:"lowest"}),i.document.on("compositionend",()=>{e=n.createSelection(n.document.selection)},{priority:"lowest"})}(t),function(t){t.editing.view.document.on("mutations",(e,n,i)=>{new Yd(t).handle(n,i)})}(t)}isInput(t){return this.editor.commands.get("input")._batches.has(t)}}class Jd extends Ad{constructor(t,e){super(t),this.direction=e,this._buffer=new Fd(t.model,t.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model,n=e.document;e.enqueueChange(this._buffer.batch,i=>{this._buffer.lock();const o=i.createSelection(t.selection||n.selection),r=o.isCollapsed;if(o.isCollapsed&&e.modifySelection(o,{direction:this.direction,unit:t.unit}),this._shouldEntireContentBeReplacedWithParagraph(t.sequence||1))return void this._replaceEntireContentWithParagraph(i);if(o.isCollapsed)return;let s=0;o.getFirstRange().getMinimalFlatRanges().forEach(t=>{s+=eo(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),e.deleteContent(o,{doNotResetEntireContent:r,direction:this.direction}),this._buffer.input(s),i.setSelection(o),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1)return!1;const e=this.editor.model,n=e.document.selection,i=e.schema.getLimitElement(n);if(!(n.isCollapsed&&n.containsEntireContent(i)))return!1;if(!e.schema.checkChild(i,"paragraph"))return!1;const o=i.getChild(0);return!o||"paragraph"!==o.name}_replaceEntireContentWithParagraph(t){const e=this.editor.model,n=e.document.selection,i=e.schema.getLimitElement(n),o=t.createElement("paragraph");t.remove(t.createRangeIn(i)),t.insert(o,i),t.setSelection(o,0)}}class Zd extends pr{constructor(t){super(t);const e=t.document;let n=0;function i(t,n,i){let o;e.once("delete",t=>o=t,{priority:Number.POSITIVE_INFINITY}),e.fire("delete",new Lr(e,n,i)),o&&o.stop.called&&t.stop()}e.on("keyup",(t,e)=>{e.keyCode!=mo.delete&&e.keyCode!=mo.backspace||(n=0)}),e.on("keydown",(t,e)=>{const o={};if(e.keyCode==mo.delete)o.direction="forward",o.unit="character";else{if(e.keyCode!=mo.backspace)return;o.direction="backward",o.unit="codePoint"}const r=ho.isMac?e.altKey:e.ctrlKey;o.unit=r?"word":o.unit,o.sequence=++n,i(t,e.domEvent,o)}),ho.isAndroid&&e.on("beforeinput",(e,n)=>{if("deleteContentBackward"!=n.domEvent.inputType)return;const o={unit:"codepoint",direction:"backward",sequence:1},r=n.domTarget.ownerDocument.defaultView.getSelection();r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset&&(o.selectionToRemove=t.domConverter.domSelectionToView(r)),i(e,n.domEvent,o)})}observe(){}}class Xd extends Hc{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,n=e.document;if(e.addObserver(Zd),t.commands.add("forwardDelete",new Jd(t,"forward")),t.commands.add("delete",new Jd(t,"backward")),this.listenTo(n,"delete",(n,i)=>{const o={unit:i.unit,sequence:i.sequence};if(i.selectionToRemove){const e=t.model.createSelection(),n=[];for(const e of i.selectionToRemove.getRanges())n.push(t.editing.mapper.toModelRange(e));e.setTo(n),o.selection=e}t.execute("forward"==i.direction?"forwardDelete":"delete",o),i.preventDefault(),e.scrollToTheSelection()}),ho.isAndroid){let t=null;this.listenTo(n,"delete",(e,n)=>{const i=n.domTarget.ownerDocument.defaultView.getSelection();t={anchorNode:i.anchorNode,anchorOffset:i.anchorOffset,focusNode:i.focusNode,focusOffset:i.focusOffset}},{priority:"lowest"}),this.listenTo(n,"keyup",(e,n)=>{if(t){const e=n.domTarget.ownerDocument.defaultView.getSelection();e.collapse(t.anchorNode,t.anchorOffset),e.extend(t.focusNode,t.focusOffset),t=null}})}}}class tu extends Hc{static get requires(){return[Qd,Xd]}static get pluginName(){return"Typing"}}const eu=new Map;function nu(t,e,n){let i=eu.get(t);i||(i=new Map,eu.set(t,i)),i.set(e,n)}function iu(t){return[t]}function ou(t,e,n={}){const i=function(t,e){const n=eu.get(t);return n&&n.has(e)?n.get(e):iu}(t.constructor,e.constructor);try{return i(t=t.clone(),e,n)}catch(t){throw t}}function ru(t,e,n){t=t.slice(),e=e.slice();const i=new su(n.document,n.useRelations,n.forceWeakRemove);i.setOriginalOperations(t),i.setOriginalOperations(e);const o=i.originalOperations;if(0==t.length||0==e.length)return{operationsA:t,operationsB:e,originalOperations:o};const r=new WeakMap;for(const e of t)r.set(e,0);const s={nextBaseVersionA:t[t.length-1].baseVersion+1,nextBaseVersionB:e[e.length-1].baseVersion+1,originalOperationsACount:t.length,originalOperationsBCount:e.length};let a=0;for(;a<t.length;){const n=t[a],o=r.get(n);if(o==e.length){a++;continue}const s=e[o],c=ou(n,s,i.getContext(n,s,!0)),l=ou(s,n,i.getContext(s,n,!1));i.updateRelation(n,s),i.setOriginalOperations(c,n),i.setOriginalOperations(l,s);for(const t of c)r.set(t,o+l.length);t.splice(a,1,...c),e.splice(o,1,...l)}if(n.padWithNoOps){const n=t.length-s.originalOperationsACount,i=e.length-s.originalOperationsBCount;cu(t,i-n),cu(e,n-i)}return au(t,s.nextBaseVersionB),au(e,s.nextBaseVersionA),{operationsA:t,operationsB:e,originalOperations:o}}class su{constructor(t,e,n=!1){this.originalOperations=new Map,this._history=t.history,this._useRelations=e,this._forceWeakRemove=!!n,this._relations=new Map}setOriginalOperations(t,e=null){const n=e?this.originalOperations.get(e):null;for(const e of t)this.originalOperations.set(e,n||e)}updateRelation(t,e){switch(t.constructor){case Ya:switch(e.constructor){case Za:t.targetPosition.isEqual(e.sourcePosition)||e.movedRange.containsPosition(t.targetPosition)?this._setRelation(t,e,"insertAtSource"):t.targetPosition.isEqual(e.deletionPosition)?this._setRelation(t,e,"insertBetween"):t.targetPosition.isAfter(e.sourcePosition)&&this._setRelation(t,e,"moveTargetAfter");break;case Ya:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,"insertBefore"):this._setRelation(t,e,"insertAfter")}break;case Xa:switch(e.constructor){case Za:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,"splitBefore");break;case Ya:(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))&&this._setRelation(t,e,"splitBefore")}break;case Za:switch(e.constructor){case Za:t.targetPosition.isEqual(e.sourcePosition)||this._setRelation(t,e,"mergeTargetNotMoved"),t.sourcePosition.isEqual(e.targetPosition)&&this._setRelation(t,e,"mergeSourceNotMoved"),t.sourcePosition.isEqual(e.sourcePosition)&&this._setRelation(t,e,"mergeSameElement");break;case Xa:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,"splitAtSource")}break;case Ka:{const n=t.newRange;if(!n)return;switch(e.constructor){case Ya:{const i=Es._createFromPositionAndShift(e.sourcePosition,e.howMany),o=i.containsPosition(n.start)||i.start.isEqual(n.start),r=i.containsPosition(n.end)||i.end.isEqual(n.end);!o&&!r||i.containsRange(n)||this._setRelation(t,e,{side:o?"left":"right",path:o?n.start.path.slice():n.end.path.slice()});break}case Za:{const i=n.start.isEqual(e.targetPosition),o=n.start.isEqual(e.deletionPosition),r=n.end.isEqual(e.deletionPosition),s=n.end.isEqual(e.sourcePosition);(i||o||r||s)&&this._setRelation(t,e,{wasInLeftElement:i,wasStartBeforeMergedElement:o,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}getContext(t,e,n){return{aIsStrong:n,aWasUndone:this._wasUndone(t),bWasUndone:this._wasUndone(e),abRelation:this._useRelations?this._getRelation(t,e):null,baRelation:this._useRelations?this._getRelation(e,t):null,forceWeakRemove:this._forceWeakRemove}}_wasUndone(t){const e=this.originalOperations.get(t);return e.wasUndone||this._history.isUndoneOperation(e)}_getRelation(t,e){const n=this.originalOperations.get(e),i=this._history.getUndoneOperation(n);if(!i)return null;const o=this.originalOperations.get(t),r=this._relations.get(o);return r&&r.get(i)||null}_setRelation(t,e,n){const i=this.originalOperations.get(t),o=this.originalOperations.get(e);let r=this._relations.get(i);r||(r=new Map,this._relations.set(i,r)),r.set(o,n)}}function au(t,e){for(const n of t)n.baseVersion=e++}function cu(t,e){for(let n=0;n<e;n++)t.push(new wc(0))}function lu(t,e,n){const i=t.nodes.getNode(0).getAttribute(e);if(i==n)return null;const o=new Es(t.position,t.position.getShiftedBy(t.howMany));return new qa(o,e,i,n,0)}function du(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function uu(t,e){const n=[];for(let i=0;i<t.length;i++){const o=t[i],r=new Ya(o.start,o.end.offset-o.start.offset,e,0);n.push(r);for(let e=i+1;e<t.length;e++)t[e]=t[e]._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)[0];e=e._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)}return n}nu(qa,qa,(t,e,n)=>{if(t.key===e.key&&t.range.start.hasSameParentAs(e.range.start)){const i=t.range.getDifference(e.range).map(e=>new qa(e,t.key,t.oldValue,t.newValue,0)),o=t.range.getIntersection(e.range);return o&&n.aIsStrong&&i.push(new qa(o,e.key,e.newValue,t.newValue,0)),0==i.length?[new wc(0)]:i}return[t]}),nu(qa,Ga,(t,e)=>{if(t.range.start.hasSameParentAs(e.position)&&t.range.containsPosition(e.position)){const n=t.range._getTransformedByInsertion(e.position,e.howMany,!e.shouldReceiveAttributes).map(e=>new qa(e,t.key,t.oldValue,t.newValue,t.baseVersion));if(e.shouldReceiveAttributes){const i=lu(e,t.key,t.oldValue);i&&n.unshift(i)}return n}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]}),nu(qa,Za,(t,e)=>{const n=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&n.push(Es._createFromPositionAndShift(e.graveyardPosition,1));const i=t.range._getTransformedByMergeOperation(e);return i.isCollapsed||n.push(i),n.map(e=>new qa(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),nu(qa,Ya,(t,e)=>function(t,e){const n=Es._createFromPositionAndShift(e.sourcePosition,e.howMany);let i=null,o=[];n.containsRange(t,!0)?i=t:t.start.hasSameParentAs(n.start)?(o=t.getDifference(n),i=t.getIntersection(n)):o=[t];const r=[];for(let t of o){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const n=e.getMovedRangeStart(),i=t.start.hasSameParentAs(n);t=t._getTransformedByInsertion(n,e.howMany,i),r.push(...t)}i&&r.push(i._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,!1)[0]);return r}(t.range,e).map(e=>new qa(e,t.key,t.oldValue,t.newValue,t.baseVersion))),nu(qa,Xa,(t,e)=>{if(t.range.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.range.end.offset++,[t];if(t.range.start.hasSameParentAs(e.splitPosition)&&t.range.containsPosition(e.splitPosition)){const n=t.clone();return n.range=new Es(e.moveTargetPosition.clone(),t.range.end._getCombined(e.splitPosition,e.moveTargetPosition)),t.range.end=e.splitPosition.clone(),t.range.end.stickiness="toPrevious",[t,n]}return t.range=t.range._getTransformedBySplitOperation(e),[t]}),nu(Ga,qa,(t,e)=>{const n=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const i=lu(t,e.key,e.newValue);i&&n.push(i)}return n}),nu(Ga,Ga,(t,e,n)=>(t.position.isEqual(e.position)&&n.aIsStrong||(t.position=t.position._getTransformedByInsertOperation(e)),[t])),nu(Ga,Ya,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),nu(Ga,Xa,(t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t])),nu(Ga,Za,(t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t])),nu(Ka,Ga,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t])),nu(Ka,Ka,(t,e,n)=>{if(t.name==e.name){if(!n.aIsStrong)return[new wc(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]}),nu(Ka,Za,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t])),nu(Ka,Ya,(t,e,n)=>{if(t.oldRange&&(t.oldRange=Es._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(n.abRelation){const i=Es._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if("left"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.start))return t.newRange.start.path=n.abRelation.path,t.newRange.end=i.end,[t];if("right"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.end))return t.newRange.start=i.start,t.newRange.end.path=n.abRelation.path,[t]}t.newRange=Es._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]}),nu(Ka,Xa,(t,e,n)=>{if(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange){if(n.abRelation){const i=t.newRange._getTransformedBySplitOperation(e);return t.newRange.start.isEqual(e.splitPosition)&&n.abRelation.wasStartBeforeMergedElement?t.newRange.start=As._createAt(e.insertionPosition):t.newRange.start.isEqual(e.splitPosition)&&!n.abRelation.wasInLeftElement&&(t.newRange.start=As._createAt(e.moveTargetPosition)),t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasInRightElement?t.newRange.end=As._createAt(e.moveTargetPosition):t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasEndBeforeMergedElement?t.newRange.end=As._createAt(e.insertionPosition):t.newRange.end=i.end,[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]}),nu(Za,Ga,(t,e)=>(t.sourcePosition.hasSameParentAs(e.position)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByInsertOperation(e),t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e),[t])),nu(Za,Za,(t,e,n)=>{if(t.sourcePosition.isEqual(e.sourcePosition)&&t.targetPosition.isEqual(e.targetPosition)){if(n.bWasUndone){const n=e.graveyardPosition.path.slice();return n.push(0),t.sourcePosition=new As(e.graveyardPosition.root,n),t.howMany=0,[t]}return[new wc(0)]}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!n.bWasUndone&&"splitAtSource"!=n.abRelation){const i="$graveyard"==t.targetPosition.root.rootName,o="$graveyard"==e.targetPosition.root.rootName,r=i&&!o;if(o&&!i||!r&&n.aIsStrong){const n=e.targetPosition._getTransformedByMergeOperation(e),i=t.targetPosition._getTransformedByMergeOperation(e);return[new Ya(n,t.howMany,i,0)]}return[new wc(0)]}return t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMergeOperation(e),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),t.graveyardPosition.isEqual(e.graveyardPosition)&&n.aIsStrong||(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),nu(Za,Ya,(t,e,n)=>{const i=Es._createFromPositionAndShift(e.sourcePosition,e.howMany);return"remove"==e.type&&!n.bWasUndone&&!n.forceWeakRemove&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.sourcePosition)?[new wc(0)]:(t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition.hasSameParentAs(e.sourcePosition)&&(t.howMany-=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMoveOperation(e),t.targetPosition=t.targetPosition._getTransformedByMoveOperation(e),t.graveyardPosition.isEqual(e.targetPosition)||(t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)),[t])}),nu(Za,Xa,(t,e,n)=>{if(e.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByDeletion(e.graveyardPosition,1),t.deletionPosition.isEqual(e.graveyardPosition)&&(t.howMany=e.howMany)),t.targetPosition.isEqual(e.splitPosition)){const i=0!=e.howMany,o=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(i||o||"mergeTargetNotMoved"==n.abRelation)return t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),[t]}if(t.sourcePosition.isEqual(e.splitPosition)){if("mergeSourceNotMoved"==n.abRelation)return t.howMany=0,t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t];if("mergeSameElement"==n.abRelation||t.sourcePosition.offset>0)return t.sourcePosition=e.moveTargetPosition.clone(),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}return t.sourcePosition.hasSameParentAs(e.splitPosition)&&(t.howMany=e.splitPosition.offset),t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}),nu(Ya,Ga,(t,e)=>{const n=Es._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByInsertOperation(e,!1)[0];return t.sourcePosition=n.start,t.howMany=n.end.offset-n.start.offset,t.targetPosition.isEqual(e.position)||(t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)),[t]}),nu(Ya,Ya,(t,e,n)=>{const i=Es._createFromPositionAndShift(t.sourcePosition,t.howMany),o=Es._createFromPositionAndShift(e.sourcePosition,e.howMany);let r,s=n.aIsStrong,a=!n.aIsStrong;if("insertBefore"==n.abRelation||"insertAfter"==n.baRelation?a=!0:"insertAfter"!=n.abRelation&&"insertBefore"!=n.baRelation||(a=!1),r=t.targetPosition.isEqual(e.targetPosition)&&a?t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany):t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),du(t,e)&&du(e,t))return[e.getReversed()];if(i.containsPosition(e.targetPosition)&&i.containsRange(o,!0))return i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),uu([i],r);if(o.containsPosition(t.targetPosition)&&o.containsRange(i,!0))return i.start=i.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),i.end=i.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),uu([i],r);const c=In(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),uu([i],r);"remove"!=t.type||"remove"==e.type||n.aWasUndone||n.forceWeakRemove?"remove"==t.type||"remove"!=e.type||n.bWasUndone||n.forceWeakRemove||(s=!1):s=!0;const l=[],d=i.getDifference(o);for(const t of d){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany),t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const n="same"==In(t.start.getParentPath(),e.getMovedRangeStart().getParentPath()),i=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,n);l.push(...i)}const u=i.getIntersection(o);return null!==u&&s&&(u.start=u.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),u.end=u.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),0===l.length?l.push(u):1==l.length?o.start.isBefore(i.start)||o.start.isEqual(i.start)?l.unshift(u):l.push(u):l.splice(1,0,u)),0===l.length?[new wc(t.baseVersion)]:uu(l,r)}),nu(Ya,Xa,(t,e,n)=>{let i=t.targetPosition.clone();t.targetPosition.isEqual(e.insertionPosition)&&e.graveyardPosition&&"moveTargetAfter"!=n.abRelation||(i=t.targetPosition._getTransformedBySplitOperation(e));const o=Es._createFromPositionAndShift(t.sourcePosition,t.howMany);if(o.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.howMany++,t.targetPosition=i,[t];if(o.start.hasSameParentAs(e.splitPosition)&&o.containsPosition(e.splitPosition)){let t=new Es(e.splitPosition,o.end);t=t._getTransformedBySplitOperation(e);return uu([new Es(o.start,e.splitPosition),t],i)}t.targetPosition.isEqual(e.splitPosition)&&"insertAtSource"==n.abRelation&&(i=e.moveTargetPosition),t.targetPosition.isEqual(e.insertionPosition)&&"insertBetween"==n.abRelation&&(i=t.targetPosition);const r=[o._getTransformedBySplitOperation(e)];if(e.graveyardPosition){const i=o.start.isEqual(e.graveyardPosition)||o.containsPosition(e.graveyardPosition);t.howMany>1&&i&&!n.aWasUndone&&r.push(Es._createFromPositionAndShift(e.insertionPosition,1))}return uu(r,i)}),nu(Ya,Za,(t,e,n)=>{const i=Es._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&i.containsPosition(e.sourcePosition))if("remove"!=t.type||n.forceWeakRemove){if(1==t.howMany)return n.bWasUndone?(t.sourcePosition=e.graveyardPosition.clone(),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]):[new wc(0)]}else if(!n.aWasUndone){const n=[];let i=e.graveyardPosition.clone(),o=e.targetPosition._getTransformedByMergeOperation(e);t.howMany>1&&(n.push(new Ya(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),s=new Ya(i,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const c=new As(s.targetPosition.root,a);o=o._getTransformedByMove(i,r,1);const l=new Ya(o,e.howMany,c,0);return n.push(s),n.push(l),n}const o=Es._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByMergeOperation(e);return t.sourcePosition=o.start,t.howMany=o.end.offset-o.start.offset,t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]}),nu(Qa,Ga,(t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t])),nu(Qa,Za,(t,e)=>t.position.isEqual(e.deletionPosition)?(t.position=e.graveyardPosition.clone(),t.position.stickiness="toNext",[t]):(t.position=t.position._getTransformedByMergeOperation(e),[t])),nu(Qa,Ya,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),nu(Qa,Qa,(t,e,n)=>{if(t.position.isEqual(e.position)){if(!n.aIsStrong)return[new wc(0)];t.oldName=e.newName}return[t]}),nu(Qa,Xa,(t,e)=>{if("same"==In(t.position.path,e.splitPosition.getParentPath())&&!e.graveyardPosition){const e=new Qa(t.position.getShiftedBy(1),t.oldName,t.newName,0);return[t,e]}return t.position=t.position._getTransformedBySplitOperation(e),[t]}),nu(Ja,Ja,(t,e,n)=>{if(t.root===e.root&&t.key===e.key){if(!n.aIsStrong||t.newValue===e.newValue)return[new wc(0)];t.oldValue=e.newValue}return[t]}),nu(Xa,Ga,(t,e)=>(t.splitPosition.hasSameParentAs(e.position)&&t.splitPosition.offset<e.position.offset&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByInsertOperation(e),t.insertionPosition=Xa.getInsertionPosition(t.splitPosition),[t])),nu(Xa,Za,(t,e,n)=>{if(!t.graveyardPosition&&!n.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const n=e.graveyardPosition.path.slice();n.push(0);const i=new As(e.graveyardPosition.root,n),o=Xa.getInsertionPosition(new As(e.graveyardPosition.root,n)),r=new Xa(i,0,null,0);return r.insertionPosition=o,t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=Xa.getInsertionPosition(t.splitPosition),t.graveyardPosition=r.insertionPosition.clone(),t.graveyardPosition.stickiness="toNext",[r,t]}return t.splitPosition.hasSameParentAs(e.deletionPosition)&&!t.splitPosition.isAfter(e.deletionPosition)&&t.howMany--,t.splitPosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=Xa.getInsertionPosition(t.splitPosition),t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),nu(Xa,Ya,(t,e,n)=>{const i=Es._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),i=t.graveyardPosition._getTransformedByMoveOperation(e),o=i.path.slice();o.push(0);const r=new As(i.root,o);return[new Ya(n,t.howMany,r,0)]}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);return t.howMany-=n,t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany),t.splitPosition=e.sourcePosition.clone(),t.insertionPosition=Xa.getInsertionPosition(t.splitPosition),[t]}return!t.splitPosition.isEqual(e.targetPosition)||"insertAtSource"!=n.baRelation&&"splitBefore"!=n.abRelation?(e.sourcePosition.isEqual(e.targetPosition)||(t.splitPosition.hasSameParentAs(e.sourcePosition)&&t.splitPosition.offset<=e.sourcePosition.offset&&(t.howMany-=e.howMany),t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany)),t.splitPosition.stickiness="toNone",t.splitPosition=t.splitPosition._getTransformedByMoveOperation(e),t.splitPosition.stickiness="toNext",t.graveyardPosition?t.insertionPosition=t.insertionPosition._getTransformedByMoveOperation(e):t.insertionPosition=Xa.getInsertionPosition(t.splitPosition),[t]):(t.howMany+=e.howMany,t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany),t.insertionPosition=Xa.getInsertionPosition(t.splitPosition),[t])}),nu(Xa,Xa,(t,e,n)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new wc(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new wc(0)];if("splitBefore"==n.abRelation)return t.howMany=0,t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e),[t]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const i="$graveyard"==t.splitPosition.root.rootName,o="$graveyard"==e.splitPosition.root.rootName,r=i&&!o;if(o&&!i||!r&&n.aIsStrong){const n=[];return e.howMany&&n.push(new Ya(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&n.push(new Ya(t.splitPosition,t.howMany,t.moveTargetPosition,0)),n}return[new wc(0)]}if(t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)),t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==n.abRelation)return t.howMany++,[t];if(e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==n.baRelation){const n=e.insertionPosition.path.slice();n.push(0);const i=new As(e.insertionPosition.root,n);return[t,new Ya(t.insertionPosition,1,i,0)]}return t.splitPosition.hasSameParentAs(e.splitPosition)&&t.splitPosition.offset<e.splitPosition.offset&&(t.howMany-=e.howMany),t.splitPosition=t.splitPosition._getTransformedBySplitOperation(e),t.insertionPosition=Xa.getInsertionPosition(t.splitPosition),[t]});class hu extends Ad{constructor(t){super(t),this._stack=[],this._createdBatches=new WeakSet,this.refresh(),this.listenTo(t.data,"set",()=>this.clearStack())}refresh(){this.isEnabled=this._stack.length>0}addBatch(t){const e=this.editor.model.document.selection,n={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:n}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(t,e,n){const i=this.editor.model,o=i.document,r=[],s=t.map(t=>t.getTransformedByOperations(n)),a=s.flat();for(const t of s){const e=t.filter(t=>!gu(t,a));fu(e);const n=e.find(t=>t.root!=o.graveyard);n&&r.push(n)}r.length&&i.change(t=>{t.setSelection(r,{backward:e})})}_undo(t,e){const n=this.editor.model,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,r=Array.from(i.history.getOperations(o)),s=ru([t.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const o of s)e.addOperation(o),n.applyOperation(o),i.history.setOperationAsUndone(t,o)}}}function fu(t){t.sort((t,e)=>t.start.isBefore(e.start)?-1:1);for(let e=1;e<t.length;e++){const n=t[e-1].getJoined(t[e],!0);n&&(e--,t.splice(e,2,n))}}function gu(t,e){return e.some(e=>e!==t&&e.containsRange(t,!0))}class mu extends hu{execute(t=null){const e=t?this._stack.findIndex(e=>e.batch==t):this._stack.length-1,n=this._stack.splice(e,1)[0],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 pu extends hu{execute(){const t=this._stack.pop(),e=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(e,()=>{const n=t.batch.operations[t.batch.operations.length-1].baseVersion+1,i=this.editor.model.document.history.getOperations(n);this._restoreSelection(t.selection.ranges,t.selection.isBackward,i),this._undo(t.batch,e)}),this.refresh()}}class bu extends Hc{static get pluginName(){return"UndoEditing"}constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new mu(t),this._redoCommand=new pu(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,o=this._redoCommand._createdBatches.has(i),r=this._undoCommand._createdBatches.has(i);this._batchRegistry.has(i)||"transparent"==i.type&&!o&&!r||(o?this._undoCommand.addBatch(i):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 wu='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.042 9.367l2.189 1.837a.75.75 0 0 1-.965 1.149l-3.788-3.18a.747.747 0 0 1-.21-.284.75.75 0 0 1 .17-.945L6.23 4.762a.75.75 0 1 1 .964 1.15L4.863 7.866h8.917A.75.75 0 0 1 14 7.9a4 4 0 1 1-1.477 7.718l.344-1.489a2.5 2.5 0 1 0 1.094-4.73l.008-.032H5.042z"/></svg>',ku='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M14.958 9.367l-2.189 1.837a.75.75 0 0 0 .965 1.149l3.788-3.18a.747.747 0 0 0 .21-.284.75.75 0 0 0-.17-.945L13.77 4.762a.75.75 0 1 0-.964 1.15l2.331 1.955H6.22A.75.75 0 0 0 6 7.9a4 4 0 1 0 1.477 7.718l-.344-1.489A2.5 2.5 0 1 1 6.039 9.4l-.008-.032h8.927z"/></svg>';class _u extends Hc{init(){const t=this.editor,e=t.locale,n=t.t,i="ltr"==e.uiLanguageDirection?wu:ku,o="ltr"==e.uiLanguageDirection?ku:wu;this._addButton("undo",n("Undo"),"CTRL+Z",i),this._addButton("redo",n("Redo"),"CTRL+Y",o)}_addButton(t,e,n,i){const o=this.editor;o.ui.componentFactory.add(t,r=>{const s=o.commands.get(t),a=new Cl(r);return a.set({label:e,icon:i,keystroke:n,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",()=>{o.execute(t),o.editing.view.focus()}),a})}}class vu extends Hc{static get requires(){return[bu,_u]}static get pluginName(){return"Undo"}}class yu{constructor(t){this.context=t}destroy(){this.stopListening()}static get isContextPlugin(){return!0}}xn(yu,Ui);class xu extends yu{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new An({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(t){if("string"!=typeof t)throw new hn.a("pendingactions-add-invalid-message",this);const e=Object.create(Ui);return e.set("message",t),this._actions.add(e),this.hasAny=!0,e}remove(t){this._actions.remove(t),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}class Au{constructor(){const t=new window.FileReader;this._reader=t,this._data=void 0,this.set("loaded",0),t.onprogress=t=>{this.loaded=t.loaded}}get error(){return this._reader.error}get data(){return this._data}read(t){const e=this._reader;return this.total=t.size,new Promise((n,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()}}xn(Au,Ui);class Cu extends Hc{static get pluginName(){return"FileRepository"}static get requires(){return[xu]}init(){this.loaders=new An,this.loaders.on("add",()=>this._updatePendingAction()),this.loaders.on("remove",()=>this._updatePendingAction()),this._loadersMap=new Map,this._pendingAction=null,this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0)}getLoader(t){return this._loadersMap.get(t)||null}createLoader(t){if(!this.createUploadAdapter)return Object(hn.c)("filerepository-no-upload-adapter"),null;const e=new Tu(Promise.resolve(t),this.createUploadAdapter);return this.loaders.add(e),this._loadersMap.set(t,e),t instanceof Promise&&e.file.then(t=>{this._loadersMap.set(t,e)}).catch(()=>{}),e.on("change:uploaded",()=>{let t=0;for(const e of this.loaders)t+=e.uploaded;this.uploaded=t}),e.on("change:uploadTotal",()=>{let t=0;for(const e of this.loaders)e.uploadTotal&&(t+=e.uploadTotal);this.uploadTotal=t}),e}destroyLoader(t){const e=t instanceof Tu?t:this.getLoader(t);e._destroy(),this.loaders.remove(e),this._loadersMap.forEach((t,n)=>{t===e&&this._loadersMap.delete(n)})}_updatePendingAction(){const t=this.editor.plugins.get(xu);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,n=t=>`${e("Upload in progress")} ${parseInt(t)}%.`;this._pendingAction=t.add(n(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",n)}}else t.remove(this._pendingAction),this._pendingAction=null}}xn(Cu,Ui);class Tu{constructor(t,e){this.id=dn(),this._filePromiseWrapper=this._createFilePromiseWrapper(t),this._adapter=e(this),this._reader=new Au,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then(t=>this._filePromiseWrapper?t:null):Promise.resolve(null)}get data(){return this._reader.data}read(){if("idle"!=this.status)throw new hn.a("filerepository-read-wrong-status",this);return this.status="reading",this.file.then(t=>this._reader.read(t)).then(t=>{if("reading"!==this.status)throw this.status;return this.status="idle",t}).catch(t=>{if("aborted"===t)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:t})}upload(){if("idle"!=this.status)throw new hn.a("filerepository-upload-wrong-status",this);return this.status="uploading",this.file.then(()=>this._adapter.upload()).then(t=>(this.uploadResponse=t,this.status="idle",t)).catch(t=>{if("aborted"===this.status)throw"aborted";throw this.status="error",t})}abort(){const t=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==t?this._reader.abort():"uploading"==t&&this._adapter.abort&&this._adapter.abort():(this._filePromiseWrapper.promise.catch(()=>{}),this._filePromiseWrapper.rejecter("aborted")),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(t){const e={};return e.promise=new Promise((n,i)=>{e.rejecter=i,e.isFulfilled=!1,t.then(t=>{e.isFulfilled=!0,n(t)}).catch(t=>{e.isFulfilled=!0,i(t)})}),e}}xn(Tu,Ui);function Pu(){let t=function(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const n of e){const e=n.split("=");if(decodeURIComponent(e[0].trim().toLowerCase())===t)return decodeURIComponent(e[1])}return null}("ckCsrfToken");var e,n;return t&&40==t.length||(t=function(t){let e="";const n=new Uint8Array(t);window.crypto.getRandomValues(n);for(let t=0;t<n.length;t++){const i="abcdefghijklmnopqrstuvwxyz0123456789".charAt(n[t]%"abcdefghijklmnopqrstuvwxyz0123456789".length);e+=Math.random()>.5?i.toUpperCase():i}return e}(40),e="ckCsrfToken",n=t,document.cookie=encodeURIComponent(e)+"="+encodeURIComponent(n)+";path=/"),t}class Eu extends Hc{static get requires(){return[Cu]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");t&&(this.editor.plugins.get(Cu).createUploadAdapter=e=>new Su(e,t,this.editor.t))}}class Su{constructor(t,e,n){this.loader=t,this.url=e,this.t=n}upload(){return this.loader.file.then(t=>new Promise((e,n)=>{this._initRequest(),this._initListeners(e,n,t),this._sendRequest(t)}))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.url,!0),t.responseType="json"}_initListeners(t,e,n){const i=this.xhr,o=this.loader,r=(0,this.t)("Cannot upload file:")+` ${n.name}.`;i.addEventListener("error",()=>e(r)),i.addEventListener("abort",()=>e()),i.addEventListener("load",()=>{const n=i.response;if(!n||!n.uploaded)return e(n&&n.error&&n.error.message?n.error.message:r);t({default:n.url})}),i.upload&&i.upload.addEventListener("progress",t=>{t.lengthComputable&&(o.uploadTotal=t.total,o.uploaded=t.loaded)})}_sendRequest(t){const e=new FormData;e.append("upload",t),e.append("ckCsrfToken",Pu()),this.xhr.send(e)}}function Mu(t){const e=t.next();return e.done?null:e.value}function Iu(t,e,n,i){let o,r=null;"function"==typeof i?o=i:(r=t.commands.get(i),o=()=>{t.execute(i)}),t.model.document.on("change:data",(i,s)=>{if(r&&!r.isEnabled||!e.isEnabled)return;const a=Mu(t.model.document.selection.getRanges());if(!a.isCollapsed)return;if("transparent"==s.type)return;const c=Array.from(t.model.document.differ.getChanges()),l=c[0];if(1!=c.length||"insert"!==l.type||"$text"!=l.name||1!=l.length)return;const d=l.position.parent;if(d.is("element","codeBlock"))return;if(r&&!0===r.value)return;const u=d.getChild(0),h=t.model.createRangeOn(u);if(!h.containsRange(a)&&!a.end.isEqual(h.end))return;const f=n.exec(u.data.substr(0,a.end.offset));f&&t.model.enqueueChange(t=>{const e=t.createPositionAt(d,0),n=t.createPositionAt(d,f[0].length),i=new Fs(e,n);!1!==o({match:f})&&t.remove(i),i.detach()})})}function Nu(t,e,n,i){let o,r;n instanceof RegExp?o=n:r=n,r=r||(t=>{let e;const n=[],i=[];for(;null!==(e=o.exec(t))&&!(e&&e.length<4);){let{index:t,1:o,2:r,3:s}=e;const a=o+r+s;t+=e[0].length-a.length;const c=[t,t+o.length],l=[t+o.length+r.length,t+o.length+r.length+s.length];n.push(c),n.push(l),i.push([t+o.length,t+o.length+r.length])}return{remove:n,format:i}}),t.model.document.on("change:data",(n,o)=>{if("transparent"==o.type||!e.isEnabled)return;const s=t.model,a=s.document.selection;if(!a.isCollapsed)return;const c=Array.from(s.document.differ.getChanges()),l=c[0];if(1!=c.length||"insert"!==l.type||"$text"!=l.name||1!=l.length)return;const d=a.focus,u=d.parent,{text:h,range:f}=function(t,e){let n=t.start;return{text:Array.from(t.getItems()).reduce((t,i)=>!i.is("$text")&&!i.is("$textProxy")||i.getAttribute("code")?(n=e.createPositionAfter(i),""):t+i.data,""),range:e.createRange(n,t.end)}}(s.createRange(s.createPositionAt(u,0),d),s),g=r(h),m=Ou(f.start,g.format,s),p=Ou(f.start,g.remove,s);m.length&&p.length&&s.enqueueChange(t=>{if(!1!==i(t,m))for(const e of p.reverse())t.remove(e)})})}function Ou(t,e,n){return e.filter(t=>void 0!==t[0]&&void 0!==t[1]).map(e=>n.createRange(t.getShiftedBy(e[0]),t.getShiftedBy(e[1])))}function Ru(t,e){return(n,i)=>{if(!t.commands.get(e).isEnabled)return!1;const o=t.model.schema.getValidRanges(i,e);for(const t of o)n.setAttribute(e,!0,t);n.removeSelectionAttribute(e)}}class Du extends Ad{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,i=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(n.isCollapsed)i?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const o=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of o)i?t.setAttribute(this.attributeKey,i,e):t.removeAttribute(this.attributeKey,e)}})}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,n=t.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const t of n.getRanges())for(const n of t.getItems())if(e.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}class Lu extends Hc{static get pluginName(){return"BoldEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"bold"}),t.model.schema.setAttributeProperties("bold",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"bold",view:"strong",upcastAlso:["b",t=>{const e=t.getStyle("font-weight");return e?"bold"==e||Number(e)>=600?{name:!0,styles:["font-weight"]}:void 0:null}]}),t.commands.add("bold",new Du(t,"bold")),t.keystrokes.set("CTRL+B","bold")}}class Vu extends Hc{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("bold",n=>{const i=t.commands.get("bold"),o=new Cl(n);return o.set({label:e("Bold"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M10.187 17H5.773c-.637 0-1.092-.138-1.364-.415-.273-.277-.409-.718-.409-1.323V4.738c0-.617.14-1.062.419-1.332.279-.27.73-.406 1.354-.406h4.68c.69 0 1.288.041 1.793.124.506.083.96.242 1.36.478.341.197.644.447.906.75a3.262 3.262 0 0 1 .808 2.162c0 1.401-.722 2.426-2.167 3.075C15.05 10.175 16 11.315 16 13.01a3.756 3.756 0 0 1-2.296 3.504 6.1 6.1 0 0 1-1.517.377c-.571.073-1.238.11-2 .11zm-.217-6.217H7v4.087h3.069c1.977 0 2.965-.69 2.965-2.072 0-.707-.256-1.22-.768-1.537-.512-.319-1.277-.478-2.296-.478zM7 5.13v3.619h2.606c.729 0 1.292-.067 1.69-.2a1.6 1.6 0 0 0 .91-.765c.165-.267.247-.566.247-.897 0-.707-.26-1.176-.778-1.409-.519-.232-1.31-.348-2.375-.348H7z"/></svg>',keystroke:"CTRL+B",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{t.execute("bold"),t.editing.view.focus()}),o})}}class ju extends Hc{static get pluginName(){return"ItalicEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"italic"}),t.model.schema.setAttributeProperties("italic",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"italic",view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add("italic",new Du(t,"italic")),t.keystrokes.set("CTRL+I","italic")}}class zu extends Hc{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("italic",n=>{const i=t.commands.get("italic"),o=new Cl(n);return o.set({label:e("Italic"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M9.586 14.633l.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z"/></svg>',keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{t.execute("italic"),t.editing.view.focus()}),o})}}class Bu extends Ad{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model,n=e.schema,i=e.document.selection,o=Array.from(i.getSelectedBlocks()),r=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(r){const e=o.filter(t=>Fu(t)||Hu(n,t));this._applyQuote(t,e)}else this._removeQuote(t,o.filter(Fu))})}_getValue(){const t=Mu(this.editor.model.document.selection.getSelectedBlocks());return!(!t||!Fu(t))}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=Mu(t.getSelectedBlocks());return!!n&&Hu(e,n)}_removeQuote(t,e){Uu(t,e).reverse().forEach(e=>{if(e.start.isAtStart&&e.end.isAtEnd)return void t.unwrap(e.start.parent);if(e.start.isAtStart){const n=t.createPositionBefore(e.start.parent);return void t.move(e,n)}e.end.isAtEnd||t.split(e.end);const n=t.createPositionAfter(e.end.parent);t.move(e,n)})}_applyQuote(t,e){const n=[];Uu(t,e).reverse().forEach(e=>{let i=Fu(e.start);i||(i=t.createElement("blockQuote"),t.wrap(e,i)),n.push(i)}),n.reverse().reduce((e,n)=>e.nextSibling==n?(t.merge(t.createPositionAfter(e)),e):n)}}function Fu(t){return"blockQuote"==t.parent.name?t.parent:null}function Uu(t,e){let n,i=0;const o=[];for(;i<e.length;){const r=e[i],s=e[i+1];n||(n=t.createPositionBefore(r)),s&&r.nextSibling==s||(o.push(t.createRange(n,t.createPositionAfter(r))),n=null),i++}return o}function Hu(t,e){const n=t.checkChild(e.parent,"blockQuote"),i=t.checkChild(["$root","blockQuote"],e);return n&&i}class Wu extends Hc{static get pluginName(){return"BlockQuoteEditing"}init(){const t=this.editor,e=t.model.schema;t.commands.add("blockQuote",new Bu(t)),e.register("blockQuote",{allowWhere:"$block",allowContentOf:"$root"}),e.addChildCheck((t,e)=>{if(t.endsWith("blockQuote")&&"blockQuote"==e.name)return!1}),t.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),t.model.document.registerPostFixer(n=>{const i=t.model.document.differ.getChanges();for(const t of i)if("insert"==t.type){const i=t.position.nodeAfter;if(!i)continue;if(i.is("element","blockQuote")&&i.isEmpty)return n.remove(i),!0;if(i.is("element","blockQuote")&&!e.checkChild(t.position,i))return n.unwrap(i),!0;if(i.is("element")){const t=n.createRangeIn(i);for(const i of t.getItems())if(i.is("element","blockQuote")&&!e.checkChild(n.createPositionBefore(i),i))return n.unwrap(i),!0}}else if("remove"==t.type){const e=t.position.parent;if(e.is("element","blockQuote")&&e.isEmpty)return n.remove(e),!0}return!1})}afterInit(){const t=this.editor.commands.get("blockQuote");this.listenTo(this.editor.editing.view.document,"enter",(e,n)=>{const i=this.editor.model.document,o=i.selection.getLastPosition().parent;i.selection.isCollapsed&&o.isEmpty&&t.value&&(this.editor.execute("blockQuote"),this.editor.editing.view.scrollToTheSelection(),n.preventDefault(),e.stop())})}}n(44);class qu extends Hc{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("blockQuote",n=>{const i=t.commands.get("blockQuote"),o=new Cl(n);return o.set({label:e("Block quote"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 10.423a6.5 6.5 0 0 1 6.056-6.408l.038.67C6.448 5.423 5.354 7.663 5.22 10H9c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574zm8 0a6.5 6.5 0 0 1 6.056-6.408l.038.67c-2.646.739-3.74 2.979-3.873 5.315H17c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574z"/></svg>',tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{t.execute("blockQuote"),t.editing.view.focus()}),o})}}class $u extends Hc{static get pluginName(){return"CKFinderUI"}init(){const t=this.editor,e=t.ui.componentFactory,n=t.t;e.add("ckfinder",e=>{const i=t.commands.get("ckfinder"),o=new Cl(e);return o.set({label:n("Insert image or file"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.627 16.5zm5.873-.196zm0-7.001V8h-13v8.5h4.341c.191.54.457 1.044.785 1.5H2a1.5 1.5 0 0 1-1.5-1.5v-13A1.5 1.5 0 0 1 2 2h4.5a1.5 1.5 0 0 1 1.06.44L9.122 4H16a1.5 1.5 0 0 1 1.5 1.5v1A1.5 1.5 0 0 1 19 8v2.531a6.027 6.027 0 0 0-1.5-1.228zM16 6.5v-1H8.5l-2-2H2v13h1V8a1.5 1.5 0 0 1 1.5-1.5H16z"/><path d="M14.5 19.5a5 5 0 1 1 0-10 5 5 0 0 1 0 10zM15 14v-2h-1v2h-2v1h2v2h1v-2h2v-1h-2z"/></svg>',tooltip:!0}),o.bind("isEnabled").to(i),o.on("execute",()=>{t.execute("ckfinder"),t.editing.view.focus()}),o})}}class Yu extends pr{observe(t){this.listenTo(t,"load",(t,e)=>{const n=e.target;this.checkShouldIgnoreEventFromTarget(n)||"IMG"==n.tagName&&this._fireEvents(e)},{useCapture:!0})}_fireEvents(t){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",t))}}class Gu{constructor(){this._stack=[]}add(t,e){const n=this._stack,i=n[0];this._insertDescriptor(t);const o=n[0];i===o||Ku(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:e})}remove(t,e){const n=this._stack,i=n[0];this._removeDescriptor(t);const o=n[0];i===o||Ku(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:e})}_insertDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t.id);if(Ku(t,e[n]))return;n>-1&&e.splice(n,1);let i=0;for(;e[i]&&Qu(e[i],t);)i++;e.splice(i,0,t)}_removeDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t);n>-1&&e.splice(n,1)}}function Ku(t,e){return t&&e&&t.priority==e.priority&&Ju(t.classes)==Ju(e.classes)}function Qu(t,e){return t.priority>e.priority||!(t.priority<e.priority)&&Ju(t.classes)>Ju(e.classes)}function Ju(t){return Array.isArray(t)?t.sort().join(","):t}xn(Gu,mn);function Zu(t,e,n){return t&&th(t)&&!n.isInline(e)}function Xu(t){return t.getAttribute("widget-type-around")}function th(t){return!!t.is("element")&&!!t.getCustomProperty("widget")}function eh(t,e,n={}){if(!t.is("containerElement"))throw new hn.a("widget-to-widget-wrong-element-type",null,{element:t});return e.setAttribute("contenteditable","false",t),e.addClass("ck-widget",t),e.setCustomProperty("widget",!0,t),t.getFillerOffset=ah,n.label&&function(t,e,n){n.setCustomProperty("widgetLabel",e,t)}(t,n.label,e),n.hasSelectionHandle&&function(t,e){const n=e.createUIElement("div",{class:"ck ck-widget__selection-handle"},(function(t){const e=this.toDomElement(t),n=new xl;return n.set("content",'<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M4 0v1H1v3H0V.5A.5.5 0 0 1 .5 0H4zm8 0h3.5a.5.5 0 0 1 .5.5V4h-1V1h-3V0zM4 16H.5a.5.5 0 0 1-.5-.5V12h1v3h3v1zm8 0v-1h3v-3h1v3.5a.5.5 0 0 1-.5.5H12z"/><path fill-opacity=".256" d="M1 1h14v14H1z"/><g class="ck-icon__selected-indicator"><path d="M7 0h2v1H7V0zM0 7h1v2H0V7zm15 0h1v2h-1V7zm-8 8h2v1H7v-1z"/><path fill-opacity=".254" d="M1 1h14v14H1z"/></g></svg>'),n.render(),e.appendChild(n.element),e}));e.insert(e.createPositionAt(t,0),n),e.addClass(["ck-widget_with-selection-handle"],t)}(t,e),nh(t,e,(t,e,n)=>n.addClass(i(e.classes),t),(t,e,n)=>n.removeClass(i(e.classes),t)),t;function i(t){return Array.isArray(t)?t:[t]}}function nh(t,e,n,i){const o=new Gu;o.on("change:top",(e,o)=>{o.oldDescriptor&&i(t,o.oldDescriptor,o.writer),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 ih(t){const e=t.getCustomProperty("widgetLabel");return e?"function"==typeof e?e():e:""}function oh(t,e){return e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t),t.on("change:isReadOnly",(n,i,o)=>{e.setAttribute("contenteditable",o?"false":"true",t)}),t.on("change:isFocused",(n,i,o)=>{o?e.addClass("ck-editor__nested-editable_focused",t):e.removeClass("ck-editor__nested-editable_focused",t)}),t}function rh(t,e){const n=t.getSelectedElement();if(n){const i=Xu(t);if(i)return e.createPositionAt(n,i);if(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);return t.focus.isTouching(n)?n:e.createPositionBefore(i)}return t.focus}function sh(t,e){const n=new is(or.window),i=n.getIntersection(t),o=e.height+kl.arrowVerticalOffset;if(t.top-o>n.top||t.bottom+o<n.bottom)return null;const r=i||t,s=r.left+r.width/2-e.width/2;return{top:Math.max(t.top,0)+kl.arrowVerticalOffset,left:s,name:"arrow_n"}}function ah(){return null}function ch(t){const e=t.getSelectedElement();return e&&function(t){return!!t.getCustomProperty("image")&&th(t)}(e)?e:null}function lh(t){return!!t&&t.is("element","image")}function dh(t,e,n={}){const i=t.createElement("image",n),o=rh(e.document.selection,e);e.insertContent(i,o),i.parent&&t.setSelection(i,"on")}function uh(t){const e=t.schema,n=t.document.selection;return function(t,e,n){const i=function(t,e){const n=rh(t,e).parent;if(n.isEmpty&&!n.is("element","$root"))return n.parent;return n}(t,n);return e.checkChild(i,"image")}(n,e,t)&&!function(t,e){const n=t.getSelectedElement();return n&&e.isObject(n)}(n,e)&&function(t){return[...t.focus.getAncestors()].every(t=>!t.is("element","image"))}(n)}function hh(t){const e=[];for(const n of t.getChildren())e.push(n),n.is("element")&&e.push(...n.getChildren());return e.find(t=>t.is("element","img"))}function fh(t){return n=>{n.on(`attribute:${t}:image`,e)};function e(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const i=n.writer,o=hh(n.mapper.toViewElement(e.item));i.setAttribute(e.attributeKey,e.attributeNewValue||"",o)}}class gh extends Ad{refresh(){this.isEnabled=uh(this.editor.model)}execute(t){const e=this.editor.model;e.change(n=>{const i=Array.isArray(t.source)?t.source:[t.source];for(const t of i)dh(n,e,{src:t})})}}class mh extends Hc{static get pluginName(){return"ImageEditing"}init(){const t=this.editor,e=t.model.schema,n=t.t,i=t.conversion;t.editing.view.addObserver(Yu),e.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),i.for("dataDowncast").elementToElement({model:"image",view:(t,{writer:e})=>ph(e)}),i.for("editingDowncast").elementToElement({model:"image",view:(t,{writer:e})=>function(t,e,n){return e.setCustomProperty("image",!0,t),eh(t,e,{label:function(){const e=hh(t).getAttribute("alt");return e?`${e} ${n}`:n}})}(ph(e),e,n("image widget"))}),i.for("downcast").add(fh("src")).add(fh("alt")).add(function(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const i=n.writer,o=hh(n.mapper.toViewElement(e.item));if(null===e.attributeNewValue){const t=e.attributeOldValue;t.data&&(i.removeAttribute("srcset",o),i.removeAttribute("sizes",o),t.width&&i.removeAttribute("width",o))}else{const t=e.attributeNewValue;t.data&&(i.setAttribute("srcset",t.data,o),i.setAttribute("sizes","100vw",o),t.width&&i.setAttribute("width",t.width,o))}}}()),i.for("upcast").elementToElement({view:{name:"img",attributes:{src:!0}},model:(t,{writer:e})=>e.createElement("image",{src:t.getAttribute("src")})}).attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:t=>{const e={data:t.getAttribute("srcset")};return t.hasAttribute("width")&&(e.width=t.getAttribute("width")),e}}}).add(function(){return e=>{e.on("element:figure",t)};function t(t,e,n){if(!n.consumable.test(e.viewItem,{name:!0,classes:"image"}))return;const i=hh(e.viewItem);if(!i||!i.hasAttribute("src")||!n.consumable.test(i,{name:!0}))return;const o=Mu(n.convertItem(i,e.modelCursor).modelRange.getItems());o&&(n.convertChildren(e.viewItem,o),n.updateConversionResult(o,e))}}()),t.commands.add("imageInsert",new gh(t))}}function ph(t){const e=t.createEmptyElement("img"),n=t.createContainerElement("figure",{class:"image"});return t.insert(t.createPositionAt(n,0),e),n}class bh extends Vr{constructor(t){super(t),this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}class wh extends Hc{static get pluginName(){return"TwoStepCaretMovement"}constructor(t){super(t),this.attributes=new Set,this._overrideUid=null}init(){const t=this.editor,e=t.model,n=t.editing.view,i=t.locale,o=e.document.selection;this.listenTo(n.document,"keydown",(t,e)=>{if(!o.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const n=e.keyCode==mo.arrowright,r=e.keyCode==mo.arrowleft;if(!n&&!r)return;const s=i.contentLanguageDirection;let a=!1;a="ltr"===s&&n||"rtl"===s&&r?this._handleForwardMovement(e):this._handleBackwardMovement(e),!0===a&&t.stop()},{priority:un.get("high")+1}),this._isNextGravityRestorationSkipped=!1,this.listenTo(o,"change:range",(t,e)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!e.directChange&&yh(o.getFirstPosition(),this.attributes)||this._restoreGravity())})}registerAttribute(t){this.attributes.add(t)}_handleForwardMovement(t){const e=this.attributes,n=this.editor.model.document.selection,i=n.getFirstPosition();return!this._isGravityOverridden&&((!i.isAtStart||!kh(n,e))&&(yh(i,e)?(vh(t),this._overrideGravity(),!0):void 0))}_handleBackwardMovement(t){const e=this.attributes,n=this.editor.model,i=n.document.selection,o=i.getFirstPosition();return this._isGravityOverridden?(vh(t),this._restoreGravity(),_h(n,e,o),!0):o.isAtStart?!!kh(i,e)&&(vh(t),_h(n,e,o),!0):function(t,e){return yh(t.getShiftedBy(-1),e)}(o,e)?o.isAtEnd&&!kh(i,e)&&yh(o,e)?(vh(t),_h(n,e,o),!0):(this._isNextGravityRestorationSkipped=!0,this._overrideGravity(),!1):void 0}get _isGravityOverridden(){return!!this._overrideUid}_overrideGravity(){this._overrideUid=this.editor.model.change(t=>t.overrideSelectionGravity())}_restoreGravity(){this.editor.model.change(t=>{t.restoreSelectionGravity(this._overrideUid),this._overrideUid=null})}}function kh(t,e){for(const n of e)if(t.hasAttribute(n))return!0;return!1}function _h(t,e,n){const i=n.nodeBefore;t.change(t=>{i?t.setSelectionAttribute(i.getAttributes()):t.removeSelectionAttribute(e)})}function vh(t){t.preventDefault()}function yh(t,e){const{nodeBefore:n,nodeAfter:i}=t;for(const t of e){const e=n?n.getAttribute(t):void 0;if((i?i.getAttribute(t):void 0)!==e)return!0}return!1}function xh(t,e,n,i){return i.createRange(Ah(t,e,n,!0,i),Ah(t,e,n,!1,i))}function Ah(t,e,n,i,o){let r=t.textNode||(i?t.nodeBefore:t.nodeAfter),s=null;for(;r&&r.getAttribute(e)==n;)s=r,r=i?r.previousSibling:r.nextSibling;return s?o.createPositionAt(s,i?"before":"after"):t}class Ch{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(t){Array.isArray(t)?t.forEach(t=>this._definitions.add(t)):this._definitions.add(t)}getDispatcher(){return t=>{t.on("attribute:linkHref",(t,e,n)=>{if(!n.consumable.test(e.item,"attribute:linkHref"))return;const i=n.writer,o=i.document.selection;for(const t of this._definitions){const r=i.createAttributeElement("a",t.attributes,{priority:5});i.setCustomProperty("link",!0,r),t.callback(e.attributeNewValue)?e.item.is("selection")?i.wrap(o.getFirstRange(),r):i.wrap(n.mapper.toViewRange(e.range),r):i.unwrap(n.mapper.toViewRange(e.range),r)}},{priority:"high"})}}getDispatcherForLinkedImage(){return t=>{t.on("attribute:linkHref:image",(t,e,n)=>{const i=n.mapper.toViewElement(e.item),o=Array.from(i.getChildren()).find(t=>"a"===t.name);for(const t of this._definitions){const i=Ln(t.attributes);if(t.callback(e.attributeNewValue))for(const[t,e]of i)"class"===t?n.writer.addClass(e,o):n.writer.setAttribute(t,e,o);else for(const[t,e]of i)"class"===t?n.writer.removeClass(e,o):n.writer.removeAttribute(t,o)}})}}}var Th=function(t,e,n){var i=t.length;return n=void 0===n?i:n,!e&&n>=i?t:ii(t,e,n)},Ph=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");var Eh=function(t){return Ph.test(t)};var Sh=function(t){return t.split("")},Mh="[\\ud800-\\udfff]",Ih="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",Nh="\\ud83c[\\udffb-\\udfff]",Oh="[^\\ud800-\\udfff]",Rh="(?:\\ud83c[\\udde6-\\uddff]){2}",Dh="[\\ud800-\\udbff][\\udc00-\\udfff]",Lh="(?:"+Ih+"|"+Nh+")"+"?",Vh="[\\ufe0e\\ufe0f]?"+Lh+("(?:\\u200d(?:"+[Oh,Rh,Dh].join("|")+")[\\ufe0e\\ufe0f]?"+Lh+")*"),jh="(?:"+[Oh+Ih+"?",Ih,Rh,Dh,Mh].join("|")+")",zh=RegExp(Nh+"(?="+Nh+")|"+jh+Vh,"g");var Bh=function(t){return t.match(zh)||[]};var Fh=function(t){return Eh(t)?Bh(t):Sh(t)};var Uh=function(t){return function(e){e=Zn(e);var n=Eh(e)?Fh(e):void 0,i=n?n[0]:e.charAt(0),o=n?Th(n,1).join(""):e.slice(1);return i[t]()+o}}("toUpperCase");const Hh=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,Wh=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i,qh=/^[\S]+@((?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.))+(?:[a-z\u00a1-\uffff]{2,})$/i,$h=/^((\w+:(\/{2,})?)|(\W))/i;function Yh(t,{writer:e}){const n=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty("link",!0,n),n}function Gh(t){return function(t){return t.replace(Hh,"").match(Wh)}(t=String(t))?t:"#"}function Kh(t,e){return!!t&&(t.is("element","image")&&e.checkAttribute("image","linkHref"))}function Qh(t,e){const n=(i=t,qh.test(i)?"mailto:":e);var i;const o=!!n&&!$h.test(t);return t&&o?n+t:t}class Jh extends Ad{constructor(t){super(t),this.manualDecorators=new An,this.automaticDecorators=new Ch}restoreManualDecoratorStates(){for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}refresh(){const t=this.editor.model,e=t.document,n=Mu(e.selection.getSelectedBlocks());Kh(n,t.schema)?(this.value=n.getAttribute("linkHref"),this.isEnabled=t.schema.checkAttribute(n,"linkHref")):(this.value=e.selection.getAttribute("linkHref"),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref"));for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}execute(t,e={}){const n=this.editor.model,i=n.document.selection,o=[],r=[];for(const t in e)e[t]?o.push(t):r.push(t);n.change(e=>{if(i.isCollapsed){const s=i.getFirstPosition();if(i.hasAttribute("linkHref")){const a=xh(s,"linkHref",i.getAttribute("linkHref"),n);e.setAttribute("linkHref",t,a),o.forEach(t=>{e.setAttribute(t,!0,a)}),r.forEach(t=>{e.removeAttribute(t,a)}),e.setSelection(e.createPositionAfter(a.end.nodeBefore))}else if(""!==t){const r=Ln(i.getAttributes());r.set("linkHref",t),o.forEach(t=>{r.set(t,!0)});const a=e.createText(t,r);n.insertContent(a,s),e.setSelection(e.createPositionAfter(a))}["linkHref",...o,...r].forEach(t=>{e.removeSelectionAttribute(t)})}else{const s=n.schema.getValidRanges(i.getRanges(),"linkHref"),a=[];for(const t of i.getSelectedBlocks())n.schema.checkAttribute(t,"linkHref")&&a.push(e.createRangeOn(t));const c=a.slice();for(const t of s)this._isRangeToUpdate(t,a)&&c.push(t);for(const n of c)e.setAttribute("linkHref",t,n),o.forEach(t=>{e.setAttribute(t,!0,n)}),r.forEach(t=>{e.removeAttribute(t,n)})}})}_getDecoratorStateFromModel(t){const e=this.editor.model,n=e.document,i=Mu(n.selection.getSelectedBlocks());return Kh(i,e.schema)?i.getAttribute(t):n.selection.getAttribute(t)}_isRangeToUpdate(t,e){for(const n of e)if(n.containsRange(t))return!1;return!0}}class Zh extends Ad{refresh(){const t=this.editor.model,e=t.document,n=Mu(e.selection.getSelectedBlocks());Kh(n,t.schema)?this.isEnabled=t.schema.checkAttribute(n,"linkHref"):this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}execute(){const t=this.editor,e=this.editor.model,n=e.document.selection,i=t.commands.get("link");e.change(t=>{const o=n.isCollapsed?[xh(n.getFirstPosition(),"linkHref",n.getAttribute("linkHref"),e)]:n.getRanges();for(const e of o)if(t.removeAttribute("linkHref",e),i)for(const n of i.manualDecorators)t.removeAttribute(n.id,e)})}}class Xh{constructor({id:t,label:e,attributes:n,defaultValue:i}){this.id=t,this.set("value"),this.defaultValue=i,this.label=e,this.attributes=n}}xn(Xh,Ui);n(46);const tf=/^(https?:)?\/\//;class ef extends Hc{static get pluginName(){return"LinkEditing"}static get requires(){return[wh,Qd,xd]}constructor(t){super(t),t.config.define("link",{addTargetToExternalLinks:!1})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"linkHref"}),t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:Yh}),t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>Yh(Gh(t),e)}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:t=>t.getAttribute("href")}}),t.commands.add("link",new Jh(t)),t.commands.add("unlink",new Zh(t));const e=function(t,e){const n={"Open in a new tab":t("Open in a new tab"),Downloadable:t("Downloadable")};return e.forEach(t=>(t.label&&n[t.label]&&(t.label=n[t.label]),t)),e}(t.t,function(t){const e=[];if(t)for(const[n,i]of Object.entries(t)){const t=Object.assign({},i,{id:"link"+Uh(n)});e.push(t)}return e}(t.config.get("link.decorators")));this._enableAutomaticDecorators(e.filter(t=>"automatic"===t.mode)),this._enableManualDecorators(e.filter(t=>"manual"===t.mode));t.plugins.get(wh).registerAttribute("linkHref"),function(t,e,n,i){const o=t.editing.view,r=new Set;o.document.registerPostFixer(o=>{const s=t.model.document.selection;let a=!1;if(s.hasAttribute(e)){const c=xh(s.getFirstPosition(),e,s.getAttribute(e),t.model),l=t.editing.mapper.toViewRange(c);for(const t of l.getItems())t.is("element",n)&&!t.hasClass(i)&&(o.addClass(i,t),r.add(t),a=!0)}return a}),t.conversion.for("editingDowncast").add(t=>{function e(){o.change(t=>{for(const e of r.values())t.removeClass(i,e),r.delete(e)})}t.on("insert",e,{priority:"highest"}),t.on("remove",e,{priority:"highest"}),t.on("attribute",e,{priority:"highest"}),t.on("selection",e,{priority:"highest"})})}(t,"linkHref","a","ck-link_selected"),this._enableInsertContentSelectionAttributesFixer(),this._enableClickingAfterLink(),this._enableTypingOverLink(),this._handleDeleteContentAfterLink()}_enableAutomaticDecorators(t){const e=this.editor,n=e.commands.get("link").automaticDecorators;e.config.get("link.addTargetToExternalLinks")&&n.add({id:"linkIsExternal",mode:"automatic",callback:t=>tf.test(t),attributes:{target:"_blank",rel:"noopener noreferrer"}}),n.add(t),n.length&&e.conversion.for("downcast").add(n.getDispatcher())}_enableManualDecorators(t){if(!t.length)return;const e=this.editor,n=e.commands.get("link").manualDecorators;t.forEach(t=>{e.model.schema.extend("$text",{allowAttributes:t.id}),n.add(new Xh(t)),e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,{writer:i})=>{if(e){const e=n.get(t.id).attributes,o=i.createAttributeElement("a",e,{priority:5});return i.setCustomProperty("link",!0,o),o}}}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:n.get(t.id).attributes},model:{key:t.id}})})}_enableInsertContentSelectionAttributesFixer(){const t=this.editor,e=t.model,n=e.document.selection,i=t.commands.get("link");this.listenTo(e,"insertContent",()=>{const t=n.anchor.nodeBefore,o=n.anchor.nodeAfter;n.hasAttribute("linkHref")&&t&&t.hasAttribute("linkHref")&&(o&&o.hasAttribute("linkHref")||e.change(t=>{nf(t,i.manualDecorators)}))},{priority:"low"})}_enableClickingAfterLink(){const t=this.editor,e=t.commands.get("link");t.editing.view.addObserver(bh);let n=!1;this.listenTo(t.editing.view.document,"mousedown",()=>{n=!0}),this.listenTo(t.editing.view.document,"selectionChange",()=>{if(!n)return;n=!1;const i=t.model.document.selection;if(!i.isCollapsed)return;if(!i.hasAttribute("linkHref"))return;const o=i.getFirstPosition(),r=xh(o,"linkHref",i.getAttribute("linkHref"),t.model);(o.isTouching(r.start)||o.isTouching(r.end))&&t.model.change(t=>{nf(t,e.manualDecorators)})})}_enableTypingOverLink(){const t=this.editor,e=t.editing.view;let n,i;this.listenTo(e.document,"delete",()=>{i=!0},{priority:"high"}),this.listenTo(t.model,"deleteContent",()=>{const e=t.model.document.selection;e.isCollapsed||(i?i=!1:of(t)&&function(t){const e=t.document.selection,n=e.getFirstPosition(),i=e.getLastPosition(),o=n.nodeAfter;if(!o)return!1;if(!o.is("$text"))return!1;if(!o.hasAttribute("linkHref"))return!1;const r=i.textNode||i.nodeBefore;if(o===r)return!0;return xh(n,"linkHref",o.getAttribute("linkHref"),t).containsRange(t.createRange(n,i),!0)}(t.model)&&(n=e.getAttributes()))},{priority:"high"}),this.listenTo(t.model,"insertContent",(e,[o])=>{i=!1,of(t)&&n&&(t.model.change(t=>{for(const[e,i]of n)t.setAttribute(e,i,o)}),n=null)},{priority:"high"})}_handleDeleteContentAfterLink(){const t=this.editor,e=t.model,n=e.document.selection,i=t.editing.view,o=t.commands.get("link");let r=!1,s=!1;this.listenTo(i.document,"delete",(t,e)=>{s=e.domEvent.keyCode===mo.backspace},{priority:"high"}),this.listenTo(e,"deleteContent",()=>{r=!1;const t=n.getFirstPosition(),i=n.getAttribute("linkHref");if(!i)return;const o=xh(t,"linkHref",i,e);r=o.containsPosition(t)||o.end.isEqual(t)},{priority:"high"}),this.listenTo(e,"deleteContent",()=>{s&&(s=!1,r||t.model.enqueueChange(t=>{nf(t,o.manualDecorators)}))},{priority:"low"})}}function nf(t,e){t.removeSelectionAttribute("linkHref");for(const n of e)t.removeSelectionAttribute(n.id)}function of(t){return t.plugins.get("Input").isInput(t.model.change(t=>t.batch))}class rf extends yu{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 sf extends Ad{constructor(t){super(t),this.stopListening(this.editor.model.document,"change"),this.listenTo(this.editor.model.document,"change",()=>this.refresh(),{priority:"low"})}refresh(){const t=this.editor.commands.get("imageInsert"),e=this.editor.commands.get("link");this.isEnabled=t.isEnabled||e.isEnabled}execute(){const t=this.editor,e=this.editor.config.get("ckfinder.openerMethod")||"modal";if("popup"!=e&&"modal"!=e)throw new hn.a("ckfinder-unknown-openermethod",t);const n=this.editor.config.get("ckfinder.options")||{};n.chooseFiles=!0;const i=n.onInit;n.language||(n.language=t.locale.uiLanguage),n.onInit=e=>{i&&i(e),e.on("files:choose",n=>{const i=n.data.files.toArray(),o=i.filter(t=>!t.isImage()),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||e.request("file:getProxyUrl",{file:t}))}s.length&&af(t,s)}),e.on("file:choose:resizedImage",e=>{const n=e.data.resizedUrl;if(n)af(t,[n]);else{const e=t.plugins.get("Notification"),n=t.locale.t;e.showWarning(n("Could not obtain resized image URL."),{title:n("Selecting resized image failed"),namespace:"ckfinder"})}})},window.CKFinder[e](n)}}function af(t,e){if(t.commands.get("imageInsert").isEnabled)t.execute("imageInsert",{source:e});else{const e=t.plugins.get("Notification"),n=t.locale.t;e.showWarning(n("Could not insert image at the current position."),{title:n("Inserting image failed"),namespace:"ckfinder"})}}class cf extends Hc{static get pluginName(){return"CKFinderEditing"}static get requires(){return[rf,mh,ef]}init(){const t=this.editor;t.commands.add("ckfinder",new sf(t))}}const lf=/^data:(\S*?);base64,/;class df{constructor(t,e,n){if(!t)throw new hn.a("fileuploader-missing-file",null);if(!e)throw new hn.a("fileuploader-missing-token",null);if(!n)throw new hn.a("fileuploader-missing-api-address",null);this.file=function(t){if("string"!=typeof t)return!1;const e=t.match(lf);return!(!e||!e.length)}(t)?function(t,e=512){try{const n=t.match(lf)[1],i=atob(t.replace(lf,"")),o=[];for(let t=0;t<i.length;t+=e){const n=i.slice(t,t+e),r=new Array(n.length);for(let t=0;t<n.length;t++)r[t]=n.charCodeAt(t);o.push(new Uint8Array(r))}return new Blob(o,{type:n})}catch(t){throw new hn.a("fileuploader-decoding-image-data-error",null)}}(t):t,this._token=e,this._apiAddress=n}onProgress(t){return this.on("progress",(e,n)=>t(n)),this}onError(t){return this.once("error",(e,n)=>t(n)),this}abort(){this.xhr.abort()}send(){return this._prepareRequest(),this._attachXHRListeners(),this._sendRequest()}_prepareRequest(){const t=new XMLHttpRequest;t.open("POST",this._apiAddress),t.setRequestHeader("Authorization",this._token.value),t.responseType="json",this.xhr=t}_attachXHRListeners(){const t=this,e=this.xhr;function n(e){return()=>t.fire("error",e)}e.addEventListener("error",n("Network Error")),e.addEventListener("abort",n("Abort")),e.upload&&e.upload.addEventListener("progress",t=>{t.lengthComputable&&this.fire("progress",{total:t.total,uploaded:t.loaded})}),e.addEventListener("load",()=>{const t=e.status,n=e.response;if(t<200||t>299)return this.fire("error",n.message||n.error)})}_sendRequest(){const t=new FormData,e=this.xhr;return t.append("file",this.file),new Promise((n,i)=>{e.addEventListener("load",()=>{const t=e.status,o=e.response;return t<200||t>299?o.message?i(new hn.a("fileuploader-uploading-data-failed",this,{message:o.message})):i(o.error):n(o)}),e.addEventListener("error",()=>i(new Error("Network Error"))),e.addEventListener("abort",()=>i(new Error("Abort"))),e.send(t)})}}xn(df,mn);const uf={autoRefresh:!0};class hf{constructor(t,e=uf){if(!t)throw new hn.a("token-missing-token-url",this);e.initValue&&this._validateTokenValue(e.initValue),this.set("value",e.initValue),this._refresh="function"==typeof t?t:()=>{return e=t,new Promise((t,n)=>{const i=new XMLHttpRequest;i.open("GET",e),i.addEventListener("load",()=>{const e=i.status,o=i.response;return e<200||e>299?n(new hn.a("token-cannot-download-new-token",null)):t(o)}),i.addEventListener("error",()=>n(new Error("Network Error"))),i.addEventListener("abort",()=>n(new Error("Abort"))),i.send()});var e},this._options=Object.assign({},uf,e)}init(){return new Promise((t,e)=>{this.value?(this._options.autoRefresh&&this._registerRefreshTokenTimeout(),t(this)):this.refreshToken().then(t).catch(e)})}refreshToken(){return this._refresh().then(t=>{this._validateTokenValue(t),this.set("value",t),this._options.autoRefresh&&this._registerRefreshTokenTimeout()}).then(()=>this)}destroy(){clearTimeout(this._tokenRefreshTimeout)}_validateTokenValue(t){const e="string"==typeof t,n=!/^".*"$/.test(t),i=e&&3===t.split(".").length;if(!n||!i)throw new hn.a("token-not-in-jwt-format",this)}_registerRefreshTokenTimeout(){const t=this._getTokenRefreshTimeoutTime();clearTimeout(this._tokenRefreshTimeout),this._tokenRefreshTimeout=setTimeout(()=>{this.refreshToken()},t)}_getTokenRefreshTimeoutTime(){try{const[,t]=this.value.split("."),{exp:e}=JSON.parse(atob(t));if(!e)return 36e5;return Math.floor((1e3*e-Date.now())/2)}catch(t){return 36e5}}static create(t,e=uf){return new hf(t,e).init()}}xn(hf,Ui);var ff=hf;class gf extends yu{static get pluginName(){return"CloudServices"}init(){const t=this.context.config.get("cloudServices")||{};for(const e in t)this[e]=t[e];if(this.tokenUrl)return this.token=new gf.Token(this.tokenUrl),this.token.init();this.token=null}destroy(){super.destroy(),this.token&&this.token.destroy()}}gf.Token=ff;class mf extends Hc{static get requires(){return[Cu,gf]}init(){const t=this.editor,e=t.plugins.get(gf),n=e.token,i=e.uploadUrl;n&&(this._uploadGateway=new mf._UploadGateway(n,i),t.plugins.get(Cu).createUploadAdapter=t=>new pf(this._uploadGateway,t))}}class pf{constructor(t,e){this.uploadGateway=t,this.loader=e}upload(){return this.loader.file.then(t=>(this.fileUploader=this.uploadGateway.upload(t),this.fileUploader.on("progress",(t,e)=>{this.loader.uploadTotal=e.total,this.loader.uploaded=e.uploaded}),this.fileUploader.send()))}abort(){this.fileUploader.abort()}}mf._UploadGateway=class{constructor(t,e){if(!t)throw new hn.a("uploadgateway-missing-token",null);if(!e)throw new hn.a("uploadgateway-missing-api-address",null);this._token=t,this._apiAddress=e}upload(t){return new df(t,this._token,this._apiAddress)}};n(48);const bf=["before","after"],wf=(new DOMParser).parseFromString('<svg viewBox="0 0 10 8" xmlns="http://www.w3.org/2000/svg"><path d="M9.055.263v3.972h-6.77M1 4.216l2-2.038M1 4.178l2 2.038"/></svg>',"image/svg+xml").firstChild;class kf extends Hc{static get pluginName(){return"WidgetTypeAround"}constructor(t){super(t),this._currentFakeCaretModelElement=null}init(){const t=this.editor,e=t.editing.view;this.on("change:isEnabled",(n,i,o)=>{e.change(t=>{for(const n of e.document.roots)o?t.removeClass("ck-widget__type-around_disabled",n):t.addClass("ck-widget__type-around_disabled",n)}),o||t.model.change(t=>{t.removeSelectionAttribute("widget-type-around")})}),this._enableTypeAroundUIInjection(),this._enableInsertingParagraphsOnButtonClick(),this._enableInsertingParagraphsOnEnterKeypress(),this._enableInsertingParagraphsOnTypingKeystroke(),this._enableTypeAroundFakeCaretActivationUsingKeyboardArrows(),this._enableDeleteIntegration(),this._enableInsertContentIntegration()}destroy(){this._currentFakeCaretModelElement=null}_insertParagraph(t,e){const n=this.editor,i=n.editing.view;n.execute("insertParagraph",{position:n.model.createPositionAt(t,e)}),i.focus(),i.scrollToTheSelection()}_listenToIfEnabled(t,e,n,i){this.listenTo(t,e,(...t)=>{this.isEnabled&&n(...t)},i)}_insertParagraphAccordingToFakeCaretPosition(){const t=this.editor.model.document.selection,e=Xu(t);if(!e)return!1;const n=t.getSelectedElement();return this._insertParagraph(n,e),!0}_enableTypeAroundUIInjection(){const t=this.editor,e=t.model.schema,n=t.locale.t,i={before:n("Insert paragraph before block"),after:n("Insert paragraph after block")};t.editing.downcastDispatcher.on("insert",(t,n,o)=>{const r=o.mapper.toViewElement(n.item);Zu(r,n.item,e)&&function(t,e,n){const i=t.createUIElement("div",{class:"ck ck-reset_all ck-widget__type-around"},(function(t){const n=this.toDomElement(t);return function(t,e){for(const n of bf){const i=new $c({tag:"div",attributes:{class:["ck","ck-widget__type-around__button","ck-widget__type-around__button_"+n],title:e[n]},children:[t.ownerDocument.importNode(wf,!0)]});t.appendChild(i.render())}}(n,e),function(t){const e=new $c({tag:"div",attributes:{class:["ck","ck-widget__type-around__fake-caret"]}});t.appendChild(e.render())}(n),n}));t.insert(t.createPositionAt(n,"end"),i)}(o.writer,i,r)},{priority:"low"})}_enableTypeAroundFakeCaretActivationUsingKeyboardArrows(){const t=this.editor,e=t.model,n=e.document.selection,i=e.schema,o=t.editing.view;function r(t){return"ck-widget_type-around_show-fake-caret_"+t}this._listenToIfEnabled(o.document,"keydown",(t,e)=>{ko(e.keyCode)&&this._handleArrowKeyPress(t,e)},{priority:un.get("high")+10}),this._listenToIfEnabled(n,"change:range",(e,n)=>{n.directChange&&t.model.change(t=>{t.removeSelectionAttribute("widget-type-around")})}),this._listenToIfEnabled(e.document,"change:data",()=>{const e=n.getSelectedElement();if(e){if(Zu(t.editing.mapper.toViewElement(e),e,i))return}t.model.change(t=>{t.removeSelectionAttribute("widget-type-around")})}),this._listenToIfEnabled(t.editing.downcastDispatcher,"selection",(t,e,n)=>{const o=n.writer;if(this._currentFakeCaretModelElement){const t=n.mapper.toViewElement(this._currentFakeCaretModelElement);t&&(o.removeClass(bf.map(r),t),this._currentFakeCaretModelElement=null)}const s=e.selection.getSelectedElement();if(!s)return;const a=n.mapper.toViewElement(s);if(!Zu(a,s,i))return;const c=Xu(e.selection);c&&(o.addClass(r(c),a),this._currentFakeCaretModelElement=s)}),this._listenToIfEnabled(t.ui.focusTracker,"change:isFocused",(e,n,i)=>{i||t.model.change(t=>{t.removeSelectionAttribute("widget-type-around")})})}_handleArrowKeyPress(t,e){const n=this.editor,i=n.model,o=i.document.selection,r=i.schema,s=n.editing.view,a=vo(e.keyCode,n.locale.contentLanguageDirection),c=s.document.selection.getSelectedElement();let l;Zu(c,n.editing.mapper.toModelElement(c),r)?l=this._handleArrowKeyPressOnSelectedWidget(a):o.isCollapsed&&(l=this._handleArrowKeyPressWhenSelectionNextToAWidget(a)),l&&(e.preventDefault(),t.stop())}_handleArrowKeyPressOnSelectedWidget(t){const e=this.editor.model,n=Xu(e.document.selection);return e.change(e=>{if(!n)return e.setSelectionAttribute("widget-type-around",t?"after":"before"),!0;if(!(n===(t?"after":"before")))return e.removeSelectionAttribute("widget-type-around"),!0;return!1})}_handleArrowKeyPressWhenSelectionNextToAWidget(t){const e=this.editor,n=e.model,i=n.schema,o=e.plugins.get("Widget"),r=o._getObjectElementNextToSelection(t);return!!Zu(e.editing.mapper.toViewElement(r),r,i)&&(n.change(e=>{o._setSelectionOverElement(r),e.setSelectionAttribute("widget-type-around",t?"before":"after")}),!0)}_enableInsertingParagraphsOnButtonClick(){const t=this.editor,e=t.editing.view;this._listenToIfEnabled(e.document,"mousedown",(n,i)=>{const o=i.domTarget.closest(".ck-widget__type-around__button");if(!o)return;const r=function(t){return t.classList.contains("ck-widget__type-around__button_before")?"before":"after"}(o),s=function(t,e){const n=t.closest(".ck-widget");return e.mapDomToView(n)}(o,e.domConverter),a=t.editing.mapper.toModelElement(s);this._insertParagraph(a,r),i.preventDefault(),n.stop()})}_enableInsertingParagraphsOnEnterKeypress(){const t=this.editor,e=t.editing.view;this._listenToIfEnabled(e.document,"enter",(n,i)=>{const o=e.document.selection.getSelectedElement(),r=t.editing.mapper.toModelElement(o),s=t.model.schema;let a;this._insertParagraphAccordingToFakeCaretPosition()?a=!0:Zu(o,r,s)&&(this._insertParagraph(r,i.isSoft?"before":"after"),a=!0),a&&(i.preventDefault(),n.stop())})}_enableInsertingParagraphsOnTypingKeystroke(){const t=this.editor.editing.view,e=[mo.enter,mo.delete,mo.backspace];this._listenToIfEnabled(t.document,"keydown",(t,n)=>{e.includes(n.keyCode)||Wd(n)||this._insertParagraphAccordingToFakeCaretPosition()},{priority:un.get("high")+1})}_enableDeleteIntegration(){const t=this.editor,e=t.editing.view,n=t.model,i=n.schema;this._listenToIfEnabled(e.document,"delete",(e,o)=>{const r=Xu(n.document.selection);if(!r)return;const s=o.direction,a=n.document.selection.getSelectedElement(),c="forward"==s;if("before"===r===c)t.execute("delete",{selection:n.createSelection(a,"on")});else{const e=i.getNearestSelectionRange(n.createPositionAt(a,r),s);if(e)if(e.isCollapsed){const o=n.createSelection(e.start);if(n.modifySelection(o,{direction:s}),o.focus.isEqual(e.start)){const t=function(t,e){let n=e;for(const i of e.getAncestors({parentFirst:!0})){if(i.childCount>1||t.isLimit(i))break;n=i}return n}(i,e.start.parent);n.deleteContent(n.createSelection(t,"on"),{doNotAutoparagraph:!0})}else n.change(n=>{n.setSelection(e),t.execute(c?"forwardDelete":"delete")})}else n.change(n=>{n.setSelection(e),t.execute(c?"forwardDelete":"delete")})}o.preventDefault(),e.stop()},{priority:un.get("high")+1})}_enableInsertContentIntegration(){const t=this.editor,e=this.editor.model,n=e.document.selection;this._listenToIfEnabled(t.model,"insertContent",(t,[i,o])=>{if(o&&!o.is("documentSelection"))return;const r=Xu(n);return r?(t.stop(),e.change(t=>{const o=n.getSelectedElement(),s=e.createPositionAt(o,r),a=t.createSelection(s),c=e.insertContent(i,a);return t.setSelection(a),c})):void 0},{priority:"high"})}}n(50);function _f(t){const e=t.model;return(n,i)=>{const o=i.keyCode==mo.arrowup,r=i.keyCode==mo.arrowdown,s=i.shiftKey,a=e.document.selection;if(!o&&!r)return;const c=r;if(s&&function(t,e){return!t.isCollapsed&&t.isBackward==e}(a,c))return;const l=function(t,e,n){const i=t.model;if(n){const t=e.isCollapsed?e.focus:e.getLastPosition(),n=vf(i,t,"forward");if(!n)return null;const o=i.createRange(t,n),r=yf(i.schema,o,"backward");return r&&t.isBefore(r)?i.createRange(t,r):null}{const t=e.isCollapsed?e.focus:e.getFirstPosition(),n=vf(i,t,"backward");if(!n)return null;const o=i.createRange(n,t),r=yf(i.schema,o,"forward");return r&&t.isAfter(r)?i.createRange(r,t):null}}(t,a,c);l&&!l.isCollapsed&&function(t,e,n){const i=t.model,o=t.view.domConverter;if(n){const t=i.createSelection(e.start);i.modifySelection(t),t.focus.isAtEnd||e.start.isEqual(t.focus)||(e=i.createRange(t.focus,e.end))}const r=t.mapper.toViewRange(e),s=o.viewRangeToDom(r),a=is.getDomRangeRects(s);let c;for(const t of a)if(void 0!==c){if(Math.round(t.top)>=c)return!1;c=Math.max(c,Math.round(t.bottom))}else c=Math.round(t.bottom);return!0}(t,l,c)&&(e.change(t=>{const n=c?l.end:l.start;if(s){const i=e.createSelection(a.anchor);i.setFocus(n),t.setSelection(i)}else t.setSelection(n)}),n.stop(),i.preventDefault(),i.stopPropagation())}}function vf(t,e,n){const i=t.schema,o=t.createRangeIn(e.root),r="forward"==n?"elementStart":"elementEnd";for(const{previousPosition:t,item:s,type:a}of o.getWalker({startPosition:e,direction:n})){if(i.isLimit(s)&&!i.isInline(s))return t;if(a==r&&i.isBlock(s))return null}return null}function yf(t,e,n){const i="backward"==n?e.end:e.start;if(t.checkChild(i,"$text"))return i;for(const{nextPosition:i}of e.getWalker({direction:n}))if(t.checkChild(i,"$text"))return i}class xf extends Hc{static get pluginName(){return"Widget"}static get requires(){return[kf]}init(){const t=this.editor.editing.view,e=t.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",(t,e,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const i=n.writer,o=i.document.selection,r=o.getSelectedElement();let s=null;for(const t of o.getRanges())for(const e of t){const t=e.item;th(t)&&!Af(t,s)&&(i.addClass("ck-widget_selected",t),this._previouslySelected.add(t),s=t,t==r&&i.setSelection(o.getRanges(),{fake:!0,label:ih(r)}))}},{priority:"low"}),t.addObserver(bh),this.listenTo(e,"mousedown",(...t)=>this._onMousedown(...t)),this.listenTo(e,"keydown",(...t)=>{this._handleSelectionChangeOnArrowKeyPress(...t)},{priority:"high"}),this.listenTo(e,"keydown",(...t)=>{this._preventDefaultOnArrowKeyPress(...t)},{priority:un.get("high")-20}),this.listenTo(e,"keydown",_f(this.editor.editing)),this.listenTo(e,"delete",(t,e)=>{this._handleDelete("forward"==e.direction)&&(e.preventDefault(),t.stop())},{priority:"high"})}_onMousedown(t,e){const n=this.editor,i=n.editing.view,o=i.document;let r=e.target;if(function(t){for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(th(t))return!1;t=t.parent}return!1}(r)){if((ho.isSafari||ho.isGecko)&&e.domEvent.detail>=3){const t=n.editing.mapper,i=r.is("attributeElement")?r.findAncestor(t=>!t.is("attributeElement")):r,o=t.toModelElement(i);e.preventDefault(),this.editor.model.change(t=>{t.setSelection(o,"in")})}return}if(!th(r)&&(r=r.findAncestor(th),!r))return;e.preventDefault(),o.isFocused||i.focus();const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_handleSelectionChangeOnArrowKeyPress(t,e){const n=e.keyCode;if(!ko(n))return;const i=this.editor.model,o=i.schema,r=i.document.selection,s=r.getSelectedElement(),a=vo(n,this.editor.locale.contentLanguageDirection);if(s&&o.isObject(s)){const n=a?r.getLastPosition():r.getFirstPosition(),s=o.getNearestSelectionRange(n,a?"forward":"backward");return void(s&&(i.change(t=>{t.setSelection(s)}),e.preventDefault(),t.stop()))}if(!r.isCollapsed)return;const c=this._getObjectElementNextToSelection(a);c&&o.isObject(c)&&(this._setSelectionOverElement(c),e.preventDefault(),t.stop())}_preventDefaultOnArrowKeyPress(t,e){if(!ko(e.keyCode))return;const n=this.editor.model,i=n.schema,o=n.document.selection.getSelectedElement();o&&i.isObject(o)&&(e.preventDefault(),t.stop())}_handleDelete(t){if(this.editor.isReadOnly)return;const e=this.editor.model.document.selection;if(!e.isCollapsed)return;const n=this._getObjectElementNextToSelection(t);return n?(this.editor.model.change(t=>{let i=e.anchor.parent;for(;i.isEmpty;){const e=i;i=e.parent,t.remove(e)}this._setSelectionOverElement(n)}),!0):void 0}_setSelectionOverElement(t){this.editor.model.change(e=>{e.setSelection(e.createRangeOn(t))})}_getObjectElementNextToSelection(t){const e=this.editor.model,n=e.schema,i=e.document.selection,o=e.createSelection(i);e.modifySelection(o,{direction:t?"forward":"backward"});const r=t?o.focus.nodeBefore:o.focus.nodeAfter;return r&&n.isObject(r)?r:null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected)t.removeClass("ck-widget_selected",e);this._previouslySelected.clear()}}function Af(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}class Cf extends Ad{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=lh(t),lh(t)&&t.hasAttribute("alt")?this.value=t.getAttribute("alt"):this.value=!1}execute(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute("alt",t.newValue,n)})}}class Tf extends Hc{static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new Cf(this.editor))}}n(52);class Pf extends ul{constructor(t){super(t),this.set("text"),this.set("for"),this.id="ck-editor__label_"+dn();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")}]})}}n(54);class Ef extends ul{constructor(t,e){super(t);const n="ck-labeled-field-view-"+dn(),i="ck-labeled-field-view-status-"+dn();this.fieldView=e(this,n,i),this.set("label"),this.set("isEnabled",!0),this.set("errorText",null),this.set("infoText",null),this.set("class"),this.labelView=this._createLabelView(n),this.statusView=this._createStatusView(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-field-view",o.to("class"),o.if("isEnabled","ck-disabled",t=>!t)]},children:[this.labelView,this.fieldView,this.statusView]})}_createLabelView(t){const e=new Pf(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createStatusView(t){const e=new ul(this.locale),n=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view__status",n.if("errorText","ck-labeled-field-view__status_error"),n.if("_statusText","ck-hidden",t=>!t)],id:t,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]}),e}focus(){this.fieldView.focus()}}n(56);class Sf extends ul{constructor(t){super(t),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById");const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",e.if("hasError","ck-error")],id:e.to("id"),placeholder:e.to("placeholder"),readonly:e.to("isReadOnly"),"aria-invalid":e.if("hasError",!0),"aria-describedby":e.to("ariaDescribedById")},on:{input:e.to("input")}})}render(){super.render();const t=t=>{this.element.value=t||0===t?t:""};t(this.value),this.on("change:value",(e,n,i)=>{t(i)})}select(){this.element.select()}focus(){this.element.focus()}}function Mf(t,e,n){const i=new Sf(t.locale);return i.set({id:e,ariaDescribedById:n}),i.bind("isReadOnly").to(t,"isEnabled",t=>!t),i.bind("hasError").to(t,"errorText",t=>!!t),i.on("input",()=>{t.errorText=null}),i}function If({view:t}){t.listenTo(t.element,"submit",(e,n)=>{n.preventDefault(),t.fire("submit")},{useCapture:!0})}var Nf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.972 16.615a.997.997 0 0 1-.744-.292l-4.596-4.596a1 1 0 1 1 1.414-1.414l3.926 3.926 9.937-9.937a1 1 0 0 1 1.414 1.415L7.717 16.323a.997.997 0 0 1-.745.292z"/></svg>',Of='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.591 10.177l4.243 4.242a1 1 0 0 1-1.415 1.415l-4.242-4.243-4.243 4.243a1 1 0 0 1-1.414-1.415l4.243-4.242L4.52 5.934A1 1 0 0 1 5.934 4.52l4.243 4.243 4.242-4.243a1 1 0 1 1 1.415 1.414l-4.243 4.243z"/></svg>';n(58),n(7);class Rf extends ul{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new Tl,this.keystrokes=new jc,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(e("Save"),Nf,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("Cancel"),Of,"ck-button-cancel","cancel"),this._focusables=new qc,this._focusCycler=new Il({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form","ck-responsive-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),this.keystrokes.listenTo(this.element),If({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 Cl(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}_createLabeledInputView(){const t=this.locale.t,e=new Ef(this.locale,Mf);return e.label=t("Text alternative"),e.fieldView.placeholder=t("Text alternative"),e}}function Df(t){const e=t.editing.view,n=kl.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class Lf extends Hc{static get requires(){return[El]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton(),this._createForm()}destroy(){super.destroy(),this._form.destroy()}_createButton(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageTextAlternative",n=>{const i=t.commands.get("imageTextAlternative"),o=new Cl(n);return o.set({label:e("Change image text alternative"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.085 6.22L2.943 4.078a.75.75 0 1 1 1.06-1.06l2.592 2.59A11.094 11.094 0 0 1 10 5.068c4.738 0 8.578 3.101 8.578 5.083 0 1.197-1.401 2.803-3.555 3.887l1.714 1.713a.75.75 0 0 1-.09 1.138.488.488 0 0 1-.15.084.75.75 0 0 1-.821-.16L6.17 7.304c-.258.11-.51.233-.757.365l6.239 6.24-.006.005.78.78c-.388.094-.78.166-1.174.215l-1.11-1.11h.011L4.55 8.197a7.2 7.2 0 0 0-.665.514l-.112.098 4.897 4.897-.005.006 1.276 1.276a10.164 10.164 0 0 1-1.477-.117l-.479-.479-.009.009-4.863-4.863-.022.031a2.563 2.563 0 0 0-.124.2c-.043.077-.08.158-.108.241a.534.534 0 0 0-.028.133.29.29 0 0 0 .008.072.927.927 0 0 0 .082.226c.067.133.145.26.234.379l3.242 3.365.025.01.59.623c-3.265-.918-5.59-3.155-5.59-4.668 0-1.194 1.448-2.838 3.663-3.93zm7.07.531a4.632 4.632 0 0 1 1.108 5.992l.345.344.046-.018a9.313 9.313 0 0 0 2-1.112c.256-.187.5-.392.727-.613.137-.134.27-.277.392-.431.072-.091.141-.185.203-.286.057-.093.107-.19.148-.292a.72.72 0 0 0 .036-.12.29.29 0 0 0 .008-.072.492.492 0 0 0-.028-.133.999.999 0 0 0-.036-.096 2.165 2.165 0 0 0-.071-.145 2.917 2.917 0 0 0-.125-.2 3.592 3.592 0 0 0-.263-.335 5.444 5.444 0 0 0-.53-.523 7.955 7.955 0 0 0-1.054-.768 9.766 9.766 0 0 0-1.879-.891c-.337-.118-.68-.219-1.027-.301zm-2.85.21l-.069.002a.508.508 0 0 0-.254.097.496.496 0 0 0-.104.679.498.498 0 0 0 .326.199l.045.005c.091.003.181.003.272.012a2.45 2.45 0 0 1 2.017 1.513c.024.061.043.125.069.185a.494.494 0 0 0 .45.287h.008a.496.496 0 0 0 .35-.158.482.482 0 0 0 .13-.335.638.638 0 0 0-.048-.219 3.379 3.379 0 0 0-.36-.723 3.438 3.438 0 0 0-2.791-1.543l-.028-.001h-.013z"/></svg>',tooltip:!0}),o.bind("isEnabled").to(i,"isEnabled"),this.listenTo(o,"execute",()=>{this._showForm()}),o})}_createForm(){const t=this.editor,e=t.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new Rf(t.locale),this._form.render(),this.listenTo(this._form,"submit",()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.fieldView.element.value}),this._hideForm(!0)}),this.listenTo(this._form,"cancel",()=>{this._hideForm(!0)}),this._form.keystrokes.set("Esc",(t,e)=>{this._hideForm(!0),e()}),this.listenTo(t.ui,"update",()=>{ch(e.selection)?this._isVisible&&function(t){const e=t.plugins.get("ContextualBalloon");if(ch(t.editing.view.document.selection)){const n=Df(t);e.updatePosition(n)}}(t):this._hideForm(!0)}),Wl({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const t=this.editor,e=t.commands.get("imageTextAlternative"),n=this._form.labeledInput;this._isInBalloon||this._balloon.add({view:this._form,position:Df(t)}),n.fieldView.value=n.fieldView.element.value=e.value||"",this._form.labeledInput.fieldView.select()}_hideForm(t){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),t&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}class Vf extends Hc{static get requires(){return[Tf,Lf]}static get pluginName(){return"ImageTextAlternative"}}n(61);class jf extends Hc{static get requires(){return[mh,xf,Vf]}static get pluginName(){return"Image"}}class zf extends ul{constructor(t){super(t),this.buttonView=new Cl(t),this._fileInputView=new Bf(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 Bf extends ul{constructor(t){super(t),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:e.to("acceptedType"),multiple:e.to("allowMultipleFiles")},on:{change:e.to(()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""})}})}open(){this.element.click()}}function Ff(t){const e=t.map(t=>t.replace("+","\\+"));return new RegExp(`^image\\/(${e.join("|")})$`)}class Uf extends Hc{static get pluginName(){return"ImageUploadUI"}init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageUpload",n=>{const i=new zf(n),o=t.commands.get("imageUpload"),r=t.config.get("image.upload.types"),s=Ff(r);return i.set({acceptedType:r.map(t=>"image/"+t).join(","),allowMultipleFiles:!0}),i.buttonView.set({label:e("Insert image"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.91 10.54c.26-.23.64-.21.88.03l3.36 3.14 2.23-2.06a.64.64 0 0 1 .87 0l2.52 2.97V4.5H3.2v10.12l3.71-4.08zm10.27-7.51c.6 0 1.09.47 1.09 1.05v11.84c0 .59-.49 1.06-1.09 1.06H2.79c-.6 0-1.09-.47-1.09-1.06V4.08c0-.58.49-1.05 1.1-1.05h14.38zm-5.22 5.56a1.96 1.96 0 1 1 3.4-1.96 1.96 1.96 0 0 1-3.4 1.96z"/></svg>',tooltip:!0}),i.buttonView.bind("isEnabled").to(o),i.on("done",(e,n)=>{const i=Array.from(n).filter(t=>s.test(t.type));i.length&&t.execute("imageUpload",{file:i})}),i})}}n(63),n(65),n(67);class Hf extends Hc{constructor(t){super(t),this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 700 250"><rect rx="4"/></svg>')}init(){this.editor.editing.downcastDispatcher.on("attribute:uploadStatus:image",(...t)=>this.uploadStatusChange(...t))}uploadStatusChange(t,e,n){const i=this.editor,o=e.item,r=o.getAttribute("uploadId");if(!n.consumable.consume(e.item,t.name))return;const s=i.plugins.get(Cu),a=r?e.attributeNewValue:null,c=this.placeholder,l=i.editing.mapper.toViewElement(o),d=n.writer;if("reading"==a)return Wf(l,d),void qf(c,l,d);if("uploading"==a){const t=s.loaders.get(r);return Wf(l,d),void(t?($f(l,d),function(t,e,n,i){const o=function(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});return t.setCustomProperty("progressBar",!0,e),e}(e);e.insert(e.createPositionAt(t,"end"),o),n.on("change:uploadedPercent",(t,e,n)=>{i.change(t=>{t.setStyle("width",n+"%",o)})})}(l,d,t,i.editing.view),function(t,e,n){if(n.data){const i=hh(t);e.setAttribute("src",n.data,i)}}(l,d,t)):qf(c,l,d))}"complete"==a&&s.loaders.get(r)&&function(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)}(l,d,i.editing.view),function(t,e){Gf(t,e,"progressBar")}(l,d),$f(l,d),function(t,e){e.removeClass("ck-appear",t)}(l,d)}}function Wf(t,e){t.hasClass("ck-appear")||e.addClass("ck-appear",t)}function qf(t,e,n){e.hasClass("ck-image-upload-placeholder")||n.addClass("ck-image-upload-placeholder",e);const i=hh(e);i.getAttribute("src")!==t&&n.setAttribute("src",t,i),Yf(e,"placeholder")||n.insert(n.createPositionAfter(i),function(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});return t.setCustomProperty("placeholder",!0,e),e}(n))}function $f(t,e){t.hasClass("ck-image-upload-placeholder")&&e.removeClass("ck-image-upload-placeholder",t),Gf(t,e,"placeholder")}function Yf(t,e){for(const n of t.getChildren())if(n.getCustomProperty(e))return n}function Gf(t,e,n){const i=Yf(t,n);i&&e.remove(e.createRangeOn(i))}class Kf{constructor(t){this.document=t}createDocumentFragment(t){return new Eo(this.document,t)}createElement(t,e,n){return new Oi(this.document,t,e,n)}createText(t){return new Rn(this.document,t)}clone(t,e=!1){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,n){return n._insertChild(t,e)}removeChildren(t,e,n){return n._removeChildren(t,e)}remove(t){const e=t.parent;return e?this.removeChildren(e.getChildIndex(t),1,e):[]}replace(t,e){const n=t.parent;if(n){const i=n.getChildIndex(t);return this.removeChildren(i,1,n),this.insertChild(i,e,n),!0}return!1}unwrapElement(t){const e=t.parent;if(e){const n=e.getChildIndex(t);this.remove(t),this.insertChild(n,t.getChildren(),e)}}rename(t,e){const n=new Oi(this.document,t,e.getAttributes(),e.getChildren());return this.replace(e,n)?n:null}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){y(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}createPositionAt(t,e){return Zi._createAt(t,e)}createPositionAfter(t){return Zi._createAfter(t)}createPositionBefore(t){return Zi._createBefore(t)}createRange(t,e){return new Xi(t,e)}createRangeOn(t){return Xi._createOn(t)}createRangeIn(t){return Xi._createIn(t)}createSelection(t,e,n){return new no(t,e,n)}}class Qf extends Ad{refresh(){const t=this.editor.model.document.selection.getSelectedElement(),e=t&&"image"===t.name||!1;this.isEnabled=uh(this.editor.model)||e}execute(t){const e=this.editor,n=e.model,i=e.plugins.get(Cu);n.change(e=>{const o=Array.isArray(t.file)?t.file:[t.file];for(const t of o)Jf(e,n,i,t)})}}function Jf(t,e,n,i){const o=n.createLoader(i);o&&dh(t,e,{uploadId:o.id})}class Zf extends Hc{static get requires(){return[Cu,rf,xd]}static get pluginName(){return"ImageUploadEditing"}constructor(t){super(t),t.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}})}init(){const t=this.editor,e=t.model.document,n=t.model.schema,i=t.conversion,o=t.plugins.get(Cu),r=Ff(t.config.get("image.upload.types"));n.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),t.commands.add("imageUpload",new Qf(t)),i.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(t.editing.view.document,"clipboardInput",(e,n)=>{if(i=n.dataTransfer,Array.from(i.types).includes("text/html")&&""!==i.getData("text/html"))return;var i;const o=Array.from(n.dataTransfer.files).filter(t=>!!t&&r.test(t.type)),s=n.targetRanges.map(e=>t.editing.mapper.toModelRange(e));t.model.change(n=>{n.setSelection(s),o.length&&(e.stop(),t.model.enqueueChange("default",()=>{t.execute("imageUpload",{file:o})}))})}),this.listenTo(t.plugins.get(xd),"inputTransformation",(e,n)=>{const i=Array.from(t.editing.view.createRangeIn(n.content)).filter(t=>{return!(!(e=t.item).is("element","img")||!e.getAttribute("src"))&&(e.getAttribute("src").match(/^data:image\/\w+;base64,/g)||e.getAttribute("src").match(/^blob:/g))&&!t.item.getAttribute("uploadProcessed");var e}).map(t=>{return{promise:(e=t.item,new Promise((t,n)=>{const i=e.getAttribute("src");fetch(i).then(t=>t.blob()).then(e=>{const n=function(t,e){return t.type?t.type:e.match(/data:(image\/\w+);base64/)?e.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}(e,i),o=n.replace("image/",""),r=new File([e],"image."+o,{type:n});t(r)}).catch(n)})),imageElement:t.item};var e});if(!i.length)return;const r=new Kf(t.editing.view.document);for(const t of i){r.setAttribute("uploadProcessed",!0,t.imageElement);const e=o.createLoader(t.promise);e&&(r.setAttribute("src","",t.imageElement),r.setAttribute("uploadId",e.id,t.imageElement))}}),t.editing.view.document.on("dragover",(t,e)=>{e.preventDefault()}),e.on("change",()=>{const n=e.differ.getChanges({includeChangesInGraveyard:!0});for(const e of n)if("insert"==e.type&&"$text"!=e.name){const n=e.position.nodeAfter,i="$graveyard"==e.position.root.rootName;for(const e of Xf(t,n)){const t=e.getAttribute("uploadId");if(!t)continue;const n=o.loaders.get(t);n&&(i?n.abort():"idle"==n.status&&this._readAndUpload(n,e))}}})}_readAndUpload(t,e){const n=this.editor,i=n.model,o=n.locale.t,r=n.plugins.get(Cu),s=n.plugins.get(rf);return i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","reading",e)}),t.read().then(()=>{const o=t.upload();if(ho.isSafari){const t=hh(n.editing.mapper.toViewElement(e));n.editing.view.once("render",()=>{if(!t.parent)return;const e=n.editing.view.domConverter.mapViewToDom(t.parent);if(!e)return;const i=e.style.display;e.style.display="none",e._ckHack=e.offsetHeight,e.style.display=i})}return i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","uploading",e)}),o}).then(t=>{i.enqueueChange("transparent",n=>{n.setAttributes({uploadStatus:"complete",src:t.default},e),this._parseAndSetSrcsetAttributeOnImage(t,e,n)}),a()}).catch(n=>{if("error"!==t.status&&"aborted"!==t.status)throw n;"error"==t.status&&n&&s.showWarning(n,{title:o("Upload failed"),namespace:"upload"}),a(),i.enqueueChange("transparent",t=>{t.remove(e)})});function a(){i.enqueueChange("transparent",t=>{t.removeAttribute("uploadId",e),t.removeAttribute("uploadStatus",e)}),r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let i=0;const o=Object.keys(t).filter(t=>{const e=parseInt(t,10);if(!isNaN(e))return i=Math.max(i,e),!0}).map(e=>`${t[e]} ${e}w`).join(", ");""!=o&&n.setAttribute("srcset",{data:o,width:i},e)}}function Xf(t,e){return Array.from(t.model.createRangeOn(e)).filter(t=>t.item.is("element","image")).map(t=>t.item)}class tg extends Hc{static get pluginName(){return"ImageUpload"}static get requires(){return[Zf,Uf,Hf]}}class eg extends Ad{refresh(){const t=this.editor.model,e=Mu(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("element","paragraph"),this.isEnabled=!!e&&ng(e,t.schema)}execute(t={}){const e=this.editor.model,n=e.document;e.change(i=>{const o=(t.selection||n.selection).getSelectedBlocks();for(const t of o)!t.is("element","paragraph")&&ng(t,e.schema)&&i.rename(t,"paragraph")})}}function ng(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class ig extends Ad{execute(t){const e=this.editor.model;let n=t.position;e.change(t=>{const i=t.createElement("paragraph");if(!e.schema.checkChild(n.parent,i)){const o=e.schema.findAllowedParent(n,i);if(!o)return;n=t.split(n,o).position}e.insertContent(i,n),t.setSelection(i,"in")})}}class og extends Hc{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model;t.commands.add("paragraph",new eg(t)),t.commands.add("insertParagraph",new ig(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),t.conversion.for("upcast").elementToElement({model:(t,{writer:e})=>og.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement("paragraph"):null,view:/.+/,converterPriority:"low"})}}og.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td","th"]);class rg extends Ad{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=Mu(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some(e=>sg(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model,n=e.document,i=t.value;e.change(t=>{const o=Array.from(n.selection.getSelectedBlocks()).filter(t=>sg(t,i,e.schema));for(const e of o)e.is("element",i)||t.rename(e,i)})}}function sg(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}class ag extends Hc{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[og]}init(){const t=this.editor,e=t.config.get("heading.options"),n=[];for(const i of e)"paragraph"!==i.model&&(t.model.schema.register(i.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(i),n.push(i.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new rg(t,n))}afterInit(){const t=this.editor,e=t.commands.get("enter"),n=t.config.get("heading.options");e&&this.listenTo(e,"afterExecute",(e,i)=>{const o=t.model.document.selection.getFirstPosition().parent;n.some(t=>o.is("element",t.model))&&!o.is("element","paragraph")&&0===o.childCount&&i.writer.rename(o,"paragraph")})}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:un.get("low")+1})}}class cg{constructor(t,e){e&&Vi(this,e),t&&this.set(t)}}xn(cg,Ui);n(12);class lg extends Hc{init(){const t=this.editor,e=t.t,n=function(t){const e=t.t,n={Paragraph:e("Paragraph"),"Heading 1":e("Heading 1"),"Heading 2":e("Heading 2"),"Heading 3":e("Heading 3"),"Heading 4":e("Heading 4"),"Heading 5":e("Heading 5"),"Heading 6":e("Heading 6")};return t.config.get("heading.options").map(t=>{const e=n[t.title];return e&&e!=t.title&&(t.title=e),t})}(t),i=e("Choose heading"),o=e("Heading");t.ui.componentFactory.add("heading",e=>{const r={},s=new An,a=t.commands.get("heading"),c=t.commands.get("paragraph"),l=[a];for(const t of n){const e={type:"button",model:new cg({label:t.title,class:t.class,withText:!0})};"paragraph"===t.model?(e.model.bind("isOn").to(c,"value"),e.model.set("commandName","paragraph"),l.push(c)):(e.model.bind("isOn").to(a,"value",e=>e===t.model),e.model.set({commandName:"heading",commandValue:t.model})),s.add(e),r[t.model]=t.title}const d=ql(e);return $l(d,s),d.buttonView.set({isOn:!1,withText:!0,tooltip:o}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(l,"isEnabled",(...t)=>t.some(t=>t)),d.buttonView.bind("label").to(a,"value",c,"value",(t,e)=>{const n=t||e&&"paragraph";return r[n]?r[n]:i}),this.listenTo(d,"execute",e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:void 0),t.editing.view.focus()}),d})}}function dg(t){for(const e of t.getChildren())if(e&&e.is("element","caption"))return e;return null}function ug(t){const e=t.parent;return"figcaption"==t.name&&e&&"figure"==e.name&&e.hasClass("image")?{name:!0}:null}class hg extends Hc{static get pluginName(){return"ImageCaptionEditing"}init(){const t=this.editor,e=t.editing.view,n=t.model.schema,i=t.data,o=t.editing,r=t.t;n.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:!0}),t.model.document.registerPostFixer(t=>this._insertMissingModelCaptionElement(t)),t.conversion.for("upcast").elementToElement({view:ug,model:"caption"});i.downcastDispatcher.on("insert:caption",fg(t=>t.createContainerElement("figcaption"),!1));const s=function(t,e){return n=>{const i=n.createEditableElement("figcaption");return n.setCustomProperty("imageCaption",!0,i),od({view:t,element:i,text:e}),oh(i,n)}}(e,r("Enter image caption"));o.downcastDispatcher.on("insert:caption",fg(s)),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,n=this._lastSelectedCaption;let i;const o=this.editor.model.document.selection,r=o.getSelectedElement();if(r&&r.is("element","image")){const t=dg(r);i=e.toViewElement(t)}const s=gg(o.getFirstPosition().parent);if(s&&(i=e.toViewElement(s)),i)return n?(n===i||(mg(n,t),this._lastSelectedCaption=i),pg(i,t)):(this._lastSelectedCaption=i,pg(i,t));if(n){const e=mg(n,t);return this._lastSelectedCaption=null,e}return!1}_fixCaptionVisibility(t){return(e,n,i)=>{const o=gg(t(n)),r=this.editor.editing.mapper,s=i.writer;if(o){const t=r.toViewElement(o);t&&(o.childCount?s.removeClass("ck-hidden",t):s.addClass("ck-hidden",t))}}}_insertMissingModelCaptionElement(t){const e=this.editor.model,n=e.document.differ.getChanges(),i=[];for(const t of n)if("insert"==t.type&&"$text"!=t.name){const n=t.position.nodeAfter;if(n.is("element","image")&&!dg(n)&&i.push(n),!n.is("element","image")&&n.childCount)for(const t of e.createRangeIn(n).getItems())t.is("element","image")&&!dg(t)&&i.push(t)}for(const e of i)t.appendElement("caption",e);return!!i.length}}function fg(t,e=!0){return(n,i,o)=>{const r=i.item;if((r.childCount||e)&&lh(r.parent)){if(!o.consumable.consume(i.item,"insert"))return;const e=o.mapper.toViewElement(i.range.start.parent),n=t(o.writer),s=o.writer;r.childCount||s.addClass("ck-hidden",n),function(t,e,n,i){const o=i.writer.createPositionAt(n,"end");i.writer.insert(o,t),i.mapper.bindElements(e,t)}(n,i.item,e,o)}}}function gg(t){const e=t.getAncestors({includeSelf:!0}).find(t=>"caption"==t.name);return e&&e.parent&&"image"==e.parent.name?e:null}function mg(t,e){return!t.childCount&&!t.hasClass("ck-hidden")&&(e.addClass("ck-hidden",t),!0)}function pg(t,e){return!!t.hasClass("ck-hidden")&&(e.removeClass("ck-hidden",t),!0)}n(70);class bg extends Ad{constructor(t,e){super(t),this.defaultStyle=!1,this.styles=e.reduce((t,e)=>(t[e.name]=e,e.isDefault&&(this.defaultStyle=e.name),t),{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();if(this.isEnabled=lh(t),t)if(t.hasAttribute("imageStyle")){const e=t.getAttribute("imageStyle");this.value=!!this.styles[e]&&e}else this.value=this.defaultStyle;else this.value=!1}execute(t){const e=t.value,n=this.editor.model,i=n.document.selection.getSelectedElement();n.change(t=>{this.styles[e].isDefault?t.removeAttribute("imageStyle",i):t.setAttribute("imageStyle",e,i)})}}function wg(t,e){for(const n of e)if(n.name===t)return n}var kg='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm2.5 3V12h11V7.5h-11zM4.061 6H15.94c.586 0 1.061.407 1.061.91v5.68c0 .503-.475.91-1.061.91H4.06c-.585 0-1.06-.407-1.06-.91V6.91C3 6.406 3.475 6 4.061 6zM2 16.5V15h16v1.5z"/></svg>',_g='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="1.414"><path d="M18 4.5V3H2v1.5h16zm0 3V6h-5.674v1.5H18zm0 3V9h-5.674v1.5H18zm0 3V12h-5.674v1.5H18zm-8.5-6V12h-6V7.5h6zm.818-1.5H2.682C2.305 6 2 6.407 2 6.91v5.68c0 .503.305.91.682.91h7.636c.377 0 .682-.407.682-.91V6.91c0-.503-.305-.91-.682-.91zM18 16.5V15H2v1.5h16z"/></svg>',vg='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm4.5 3V12h7V7.5h-7zM5.758 6h8.484c.419 0 .758.407.758.91v5.681c0 .502-.34.909-.758.909H5.758c-.419 0-.758-.407-.758-.91V6.91c0-.503.34-.91.758-.91zM2 16.5V15h16v1.5z"/></svg>',yg='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm0 3V6h5.674v1.5zm0 3V9h5.674v1.5zm0 3V12h5.674v1.5zm8.5-6V12h6V7.5h-6zM9.682 6h7.636c.377 0 .682.407.682.91v5.68c0 .503-.305.91-.682.91H9.682c-.377 0-.682-.407-.682-.91V6.91c0-.503.305-.91.682-.91zM2 16.5V15h16v1.5z"/></svg>';const xg={full:{name:"full",title:"Full size image",icon:kg,isDefault:!0},side:{name:"side",title:"Side image",icon:yg,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:_g,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:vg,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:yg,className:"image-style-align-right"}},Ag={full:kg,left:_g,right:yg,center:vg};function Cg(t=[]){return t.map(Tg)}function Tg(t){if("string"==typeof t){const e=t;xg[e]?t=Object.assign({},xg[e]):(Object(hn.c)("image-style-not-found",{name:e}),t={name:e})}else if(xg[t.name]){const e=xg[t.name],n=Object.assign({},t);for(const i in e)Object.prototype.hasOwnProperty.call(t,i)||(n[i]=e[i]);t=n}return"string"==typeof t.icon&&Ag[t.icon]&&(t.icon=Ag[t.icon]),t}class Pg extends Hc{static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor,e=t.model.schema,n=t.data,i=t.editing;t.config.define("image.styles",["full","side"]);const o=Cg(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const r=function(t){return(e,n,i)=>{if(!i.consumable.consume(n.item,e.name))return;const o=wg(n.attributeNewValue,t),r=wg(n.attributeOldValue,t),s=i.mapper.toViewElement(n.item),a=i.writer;r&&a.removeClass(r.className,s),o&&a.addClass(o.className,s)}}(o);i.downcastDispatcher.on("attribute:imageStyle:image",r),n.downcastDispatcher.on("attribute:imageStyle:image",r),n.upcastDispatcher.on("element:figure",function(t){const e=t.filter(t=>!t.isDefault);return(t,n,i)=>{if(!n.modelRange)return;const o=n.viewItem,r=Mu(n.modelRange.getItems());if(i.schema.checkAttribute(r,"imageStyle"))for(const t of e)i.consumable.consume(o,{classes:t.className})&&i.writer.setAttribute("imageStyle",t.name,r)}}(o),{priority:"low"}),t.commands.add("imageStyle",new bg(t,o))}}n(72);class Eg extends Hc{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("Full size image"),"Side image":t("Side image"),"Left aligned image":t("Left aligned image"),"Centered image":t("Centered image"),"Right aligned image":t("Right aligned image")}}init(){const t=function(t,e){for(const n of t)e[n.title]&&(n.title=e[n.title]);return t}(Cg(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const e of t)this._createButton(e)}_createButton(t){const e=this.editor,n="imageStyle:"+t.name;e.ui.componentFactory.add(n,n=>{const i=e.commands.get("imageStyle"),o=new Cl(n);return o.set({label:t.title,icon:t.icon,tooltip:!0,isToggleable:!0}),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()}),o})}}class Sg extends Hc{static get requires(){return[El]}static get pluginName(){return"WidgetToolbarRepository"}init(){const t=this.editor;if(t.plugins.has("BalloonToolbar")){const e=t.plugins.get("BalloonToolbar");this.listenTo(e,"show",e=>{(function(t){const e=t.getSelectedElement();return!(!e||!th(e))})(t.editing.view.document.selection)&&e.stop()},{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),this.on("change:isEnabled",()=>{this._updateToolbarsVisibility()}),this.listenTo(t.ui,"update",()=>{this._updateToolbarsVisibility()}),this.listenTo(t.ui.focusTracker,"change:isFocused",()=>{this._updateToolbarsVisibility()},{priority:"low"})}destroy(){super.destroy();for(const t of this._toolbarDefinitions.values())t.view.destroy()}register(t,{ariaLabel:e,items:n,getRelatedElement:i,balloonClassName:o="ck-toolbar-container"}){if(!n.length)return void Object(hn.c)("widget-toolbar-no-items",{toolbarId:t});const r=this.editor,s=r.t,a=new Yl(r.locale);if(a.ariaLabel=e||s("Widget toolbar"),this._toolbarDefinitions.has(t))throw new hn.a("widget-toolbar-duplicated",this,{toolbarId:t});a.fillFromConfig(n,r.ui.componentFactory),this._toolbarDefinitions.set(t,{view:a,getRelatedElement:i,balloonClassName:o})}_updateToolbarsVisibility(){let t=0,e=null,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.editor.ui.focusTracker.isFocused){const r=o.getAncestors().length;r>t&&(t=r,e=o,n=i)}else this._isToolbarVisible(i)&&this._hideToolbar(i);else this._isToolbarInBalloon(i)&&this._hideToolbar(i)}n&&this._showToolbar(n,e)}_hideToolbar(t){this._balloon.remove(t.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(t,e){this._isToolbarVisible(t)?Mg(this.editor,e):this._isToolbarInBalloon(t)||(this._balloon.add({view:t.view,position:Ig(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);Mg(this.editor,e)}}))}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function Mg(t,e){const n=t.plugins.get("ContextualBalloon"),i=Ig(t,e);n.updatePosition(i)}function Ig(t,e){const n=t.editing.view,i=kl.defaultPositions;return{target:n.domConverter.mapViewToDom(e),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast,sh]}}class Ng extends Ad{constructor(t){super(t),this._childCommands=[]}refresh(){}execute(...t){return this._getFirstEnabledCommand().execute(t)}registerChildCommand(t){this._childCommands.push(t),t.on("change:isEnabled",()=>this._checkEnabled()),this._checkEnabled()}_checkEnabled(){this.isEnabled=!!this._getFirstEnabledCommand()}_getFirstEnabledCommand(){return this._childCommands.find(t=>t.isEnabled)}}class Og extends Hc{static get pluginName(){return"IndentEditing"}init(){const t=this.editor;t.commands.add("indent",new Ng(t)),t.commands.add("outdent",new Ng(t))}}var Rg='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm5 6c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM2.75 16.5h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 1 0 0 1.5zM1.632 6.95L5.02 9.358a.4.4 0 0 1-.013.661l-3.39 2.207A.4.4 0 0 1 1 11.892V7.275a.4.4 0 0 1 .632-.326z"/></svg>',Dg='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm5 6c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM2.75 16.5h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 1 0 0 1.5zm1.618-9.55L.98 9.358a.4.4 0 0 0 .013.661l3.39 2.207A.4.4 0 0 0 5 11.892V7.275a.4.4 0 0 0-.632-.326z"/></svg>';class Lg extends Hc{static get pluginName(){return"IndentUI"}init(){const t=this.editor,e=t.locale,n=t.t,i="ltr"==e.uiLanguageDirection?Rg:Dg,o="ltr"==e.uiLanguageDirection?Dg:Rg;this._defineButton("indent",n("Increase indent"),i),this._defineButton("outdent",n("Decrease indent"),o)}_defineButton(t,e,n){const i=this.editor;i.ui.componentFactory.add(t,o=>{const r=i.commands.get(t),s=new Cl(o);return s.set({label:e,icon:n,tooltip:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),this.listenTo(s,"execute",()=>{i.execute(t),i.editing.view.focus()}),s})}}class Vg extends Vr{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}n(74);class jg extends ul{constructor(t,e,n){super(t);const i=t.t;this.focusTracker=new Tl,this.keystrokes=new jc,this.urlInputView=this._createUrlInput(n),this.saveButtonView=this._createButton(i("Save"),Nf,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(i("Cancel"),Of,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e),this.children=this._createFormChildren(e.manualDecorators),this._focusables=new qc,this._focusCycler=new Il({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const o=["ck","ck-link-form","ck-responsive-form"];e.manualDecorators.length&&o.push("ck-link-form_layout-vertical","ck-vertical-form"),this.setTemplate({tag:"form",attributes:{class:o,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce((t,e)=>(t[e.name]=e.isOn,t),{})}render(){super.render(),If({view:this});[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(t="https://"){const e=this.locale.t,n=new Ef(this.locale,Mf);return n.label=e("Link URL"),n.fieldView.placeholder=t+"example.com",n}_createButton(t,e,n,i){const o=new Cl(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const n of t.manualDecorators){const i=new Hl(this.locale);i.set({name:n.id,label:n.label,withText:!0}),i.bind("isOn").toMany([n,t],"value",(t,e)=>void 0===e&&void 0===t?n.defaultValue:t),i.on("execute",()=>{n.set("value",!i.isOn)}),e.add(i)}return e}_createFormChildren(t){const e=this.createCollection();if(e.add(this.urlInputView),t.length){const t=new ul;t.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map(t=>({tag:"li",children:[t],attributes:{class:["ck","ck-list__item"]}})),attributes:{class:["ck","ck-reset","ck-list"]}}),e.add(t)}return e.add(this.saveButtonView),e.add(this.cancelButtonView),e}}n(76);class zg extends ul{constructor(t){super(t);const e=t.t;this.focusTracker=new Tl,this.keystrokes=new jc,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e("Unlink"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562l-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z"/></svg>',"unlink"),this.editButtonView=this._createButton(e("Edit link"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7.3 17.37l-.061.088a1.518 1.518 0 0 1-.934.535l-4.178.663-.806-4.153a1.495 1.495 0 0 1 .187-1.058l.056-.086L8.77 2.639c.958-1.351 2.803-1.076 4.296-.03 1.497 1.047 2.387 2.693 1.433 4.055L7.3 17.37zM9.14 4.728l-5.545 8.346 3.277 2.294 5.544-8.346L9.14 4.728zM6.07 16.512l-3.276-2.295.53 2.73 2.746-.435zM9.994 3.506L13.271 5.8c.316-.452-.16-1.333-1.065-1.966-.905-.634-1.895-.78-2.212-.328zM8 18.5L9.375 17H19v1.5H8z"/></svg>',"edit"),this.set("href"),this._focusables=new qc,this._focusCycler=new Il({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions","ck-responsive-form"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render();[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(t,e,n){const i=new Cl(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.delegate("execute").to(this,n),i}_createPreviewButton(){const t=new Cl(this.locale),e=this.bindTemplate,n=this.t;return t.set({withText:!0,tooltip:n("Open link in new tab")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",t=>t&&Gh(t)),target:"_blank",rel:"noopener noreferrer"}}),t.bind("label").to(this,"href",t=>t||n("This link has no URL")),t.bind("isEnabled").to(this,"href",t=>!!t),t.template.tag="a",t.template.eventListeners={},t}}class Bg extends Hc{static get requires(){return[El]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(Vg),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(El),this._createToolbarLinkButton(),this._enableUserBalloonInteractions(),t.conversion.for("editingDowncast").markerToHighlight({model:"link-ui",view:{classes:["ck-fake-link-selection"]}}),t.conversion.for("editingDowncast").markerToElement({model:"link-ui",view:{name:"span",classes:["ck-fake-link-selection","ck-fake-link-selection_collapsed"]}})}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new zg(t.locale),n=t.commands.get("link"),i=t.commands.get("unlink");return 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("Ctrl+K",(t,e)=>{this._addFormView(),e()}),e}_createFormView(){const t=this.editor,e=t.commands.get("link"),n=t.config.get("link.defaultProtocol"),i=new jg(t.locale,e,n);return i.urlInputView.fieldView.bind("value").to(e,"value"),i.urlInputView.bind("isReadOnly").to(e,"isEnabled",t=>!t),i.saveButtonView.bind("isEnabled").to(e),this.listenTo(i,"submit",()=>{const{value:e}=i.urlInputView.fieldView.element,o=Qh(e,n);t.execute("link",o,i.getDecoratorSwitchesState()),this._closeFormView()}),this.listenTo(i,"cancel",()=>{this._closeFormView()}),i.keystrokes.set("Esc",(t,e)=>{this._closeFormView(),e()}),i}_createToolbarLinkButton(){const t=this.editor,e=t.commands.get("link"),n=t.t;t.keystrokes.set("Ctrl+K",(t,n)=>{n(),e.isEnabled&&this._showUI(!0)}),t.ui.componentFactory.add("link",t=>{const i=new Cl(t);return i.isEnabled=!0,i.label=n("Link"),i.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z"/></svg>',i.keystroke="Ctrl+K",i.tooltip=!0,i.isToggleable=!0,i.bind("isEnabled").to(e,"isEnabled"),i.bind("isOn").to(e,"value",t=>!!t),this.listenTo(i,"execute",()=>this._showUI(!0)),i})}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,"click",()=>{this._getSelectedLinkElement()&&this._showUI()}),this.editor.keystrokes.set("Tab",(t,e)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),e())},{priority:"high"}),this.editor.keystrokes.set("Esc",(t,e)=>{this._isUIVisible&&(this._hideUI(),e())}),Wl({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel)return;const t=this.editor.commands.get("link");this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this._balloon.visibleView===this.formView&&this.formView.urlInputView.fieldView.select(),this.formView.urlInputView.fieldView.element.value=t.value||""}_closeFormView(){const t=this.editor.commands.get("link");t.restoreManualDecoratorStates(),void 0!==t.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this._balloon.remove(this.formView),this.editor.editing.view.focus(),this._hideFakeVisualSelection())}_showUI(t=!1){this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),t&&this._balloon.showStack("main")):(this._showFakeVisualSelection(),this._addActionsView(),t&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel)return;const t=this.editor;this.stopListening(t.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),t.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView),this._hideFakeVisualSelection()}_startUpdatingUI(){const t=this.editor,e=t.editing.view.document;let n=this._getSelectedLinkElement(),i=r();const o=()=>{const t=this._getSelectedLinkElement(),e=r();n&&!t||!n&&e!==i?this._hideUI():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(){return this._balloon.visibleView==this.formView||this._areActionsVisible}_getBalloonPositionData(){const t=this.editor.editing.view,e=this.editor.model,n=t.document;let i=null;if(e.markers.has("link-ui")){const e=Array.from(this.editor.editing.mapper.markerNameToElements("link-ui")),n=t.createRange(t.createPositionBefore(e[0]),t.createPositionAfter(e[e.length-1]));i=t.domConverter.viewRangeToDom(n)}else{const e=this._getSelectedLinkElement(),o=n.selection.getFirstRange();i=e?t.domConverter.mapViewToDom(e):t.domConverter.viewRangeToDom(o)}return{target:i}}_getSelectedLinkElement(){const t=this.editor.editing.view,e=t.document.selection;if(e.isCollapsed)return Fg(e.getFirstPosition());{const n=e.getFirstRange().getTrimmed(),i=Fg(n.start),o=Fg(n.end);return i&&i==o&&t.createRangeIn(i).getTrimmed().isEqual(n)?i:null}}_showFakeVisualSelection(){const t=this.editor.model;t.change(e=>{const n=t.document.selection.getFirstRange();if(t.markers.has("link-ui"))e.updateMarker("link-ui",{range:n});else if(n.start.isAtEnd){const i=function t(e,n,i){const o=[e.start.path[0]+1,0],r=i.createPositionFromPath(e.start.root,o,"toNext"),s=i.createRange(r,e.end);if(s.start.path[0]>e.end.path[0])return i.createRange(n);if(r.isAtStart&&r.isAtEnd)return t(s,n,i);return s}(n,t.document.selection.focus,e);e.addMarker("link-ui",{usingOperation:!1,affectsData:!1,range:i})}else e.addMarker("link-ui",{usingOperation:!1,affectsData:!1,range:n})})}_hideFakeVisualSelection(){const t=this.editor.model;t.markers.has("link-ui")&&t.change(t=>{t.removeMarker("link-ui")})}}function Fg(t){return t.getAncestors().find(t=>{return(e=t).is("attributeElement")&&!!e.getCustomProperty("link");var e})}function Ug(t,e){let n=t.start;return{text:Array.from(t.getItems()).reduce((t,i)=>i.is("$text")||i.is("$textProxy")?t+i.data:(n=e.createPositionAfter(i),""),""),range:e.createRange(n,t.end)}}class Hg{constructor(t,e){this.model=t,this.testCallback=e,this.hasMatch=!1,this.set("isEnabled",!0),this.on("change:isEnabled",()=>{this.isEnabled?this._startListening():(this.stopListening(t.document.selection),this.stopListening(t.document))}),this._startListening()}_startListening(){const t=this.model.document;this.listenTo(t.selection,"change:range",(e,{directChange:n})=>{n&&(t.selection.isCollapsed?this._evaluateTextBeforeSelection("selection"):this.hasMatch&&(this.fire("unmatched"),this.hasMatch=!1))}),this.listenTo(t,"change:data",(t,e)=>{"transparent"!=e.type&&this._evaluateTextBeforeSelection("data",{batch:e})})}_evaluateTextBeforeSelection(t,e={}){const n=this.model,i=n.document.selection,o=n.createRange(n.createPositionAt(i.focus.parent,0),i.focus),{text:r,range:s}=Ug(o,n),a=this.testCallback(r);if(!a&&this.hasMatch&&this.fire("unmatched"),this.hasMatch=!!a,a){const n=Object.assign(e,{text:r,range:s});"object"==typeof a&&Object.assign(n,a),this.fire("matched:"+t,n)}}}xn(Hg,Ui);const Wg=new RegExp("(^|\\s)(((?:(?:(?:https?|ftp):)?\\/\\/)(?:\\S+(?::\\S*)?@)?(?:(?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.)+(?:[a-z\\u00a1-\\uffff]{2,}))(?::\\d{2,5})?(?:[/?#]\\S*)?)|((www.|(\\S+@))((?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.))+(?:[a-z\\u00a1-\\uffff]{2,})))$","i");class qg extends Hc{static get pluginName(){return"AutoLink"}init(){const t=this.editor.model.document.selection;t.on("change:range",()=>{this.isEnabled=!t.anchor.parent.is("element","codeBlock")}),this._enableTypingHandling()}afterInit(){this._enableEnterHandling(),this._enableShiftEnterHandling()}_enableTypingHandling(){const t=this.editor,e=new Hg(t.model,t=>{if(!function(t){return t.length>4&&" "===t[t.length-1]&&" "!==t[t.length-2]}(t))return;const e=$g(t.substr(0,t.length-1));return e?{url:e}:void 0}),n=t.plugins.get("Input");e.on("matched:data",(e,i)=>{const{batch:o,range:r,url:s}=i;if(!n.isInput(o))return;const a=r.end.getShiftedBy(-1),c=a.getShiftedBy(-s.length),l=t.model.createRange(c,a);this._applyAutoLink(s,l)}),e.bind("isEnabled").to(this)}_enableEnterHandling(){const t=this.editor,e=t.model,n=t.commands.get("enter");n&&n.on("execute",()=>{const t=e.document.selection.getFirstPosition();if(!t.parent.previousSibling)return;const n=e.createRangeIn(t.parent.previousSibling);this._checkAndApplyAutoLinkOnRange(n)})}_enableShiftEnterHandling(){const t=this.editor,e=t.model,n=t.commands.get("shiftEnter");n&&n.on("execute",()=>{const t=e.document.selection.getFirstPosition(),n=e.createRange(e.createPositionAt(t.parent,0),t.getShiftedBy(-1));this._checkAndApplyAutoLinkOnRange(n)})}_checkAndApplyAutoLinkOnRange(t){const e=this.editor.model,{text:n,range:i}=Ug(t,e),o=$g(n);if(o){const t=e.createRange(i.end.getShiftedBy(-o.length),i.end);this._applyAutoLink(o,t)}}_applyAutoLink(t,e){const n=this.editor.model;this.isEnabled&&function(t,e){return e.schema.checkAttributeInSelection(e.createSelection(t),"linkHref")}(e,n)&&n.enqueueChange(n=>{const i=this.editor.config.get("link.defaultProtocol"),o=Qh(t,i);n.setAttribute("linkHref",o,e)})}}function $g(t){const e=Wg.exec(t);return e?e[2]:null}class Yg extends Ad{constructor(t,e){super(t),this.type=e}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document,n=Array.from(e.selection.getSelectedBlocks()).filter(e=>Kg(e,t.schema)),i=!0===this.value;t.change(t=>{if(i){let e=n[n.length-1].nextSibling,i=Number.POSITIVE_INFINITY,o=[];for(;e&&"listItem"==e.name&&0!==e.getAttribute("listIndent");){const t=e.getAttribute("listIndent");t<i&&(i=t);const n=t-i;o.push({element:e,listIndent:n}),e=e.nextSibling}o=o.reverse();for(const e of o)t.setAttribute("listIndent",e.listIndent,e.element)}if(!i){let t=Number.POSITIVE_INFINITY;for(const e of n)e.is("element","listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));t=0===t?1:t,Gg(n,!0,t),Gg(n,!1,t)}for(const e of n.reverse())i&&"listItem"==e.name?t.rename(e,"paragraph"):i||"listItem"==e.name?i||"listItem"!=e.name||e.getAttribute("listType")==this.type||t.setAttribute("listType",this.type,e):(t.setAttributes({listType:this.type,listIndent:0},e),t.rename(e,"listItem"));this.fire("_executeCleanup",n)})}_getValue(){const t=Mu(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is("element","listItem")&&t.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=Mu(t.getSelectedBlocks());return!!n&&Kg(n,e)}}function Gg(t,e,n){const i=e?t[0]:t[t.length-1];if(i.is("element","listItem")){let o=i[e?"previousSibling":"nextSibling"],r=i.getAttribute("listIndent");for(;o&&o.is("element","listItem")&&o.getAttribute("listIndent")>=n;)r>o.getAttribute("listIndent")&&(r=o.getAttribute("listIndent")),o.getAttribute("listIndent")==r&&t[e?"unshift":"push"](o),o=o[e?"previousSibling":"nextSibling"]}}function Kg(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class Qg extends Ad{constructor(t,e){super(t),this._indentBy="forward"==e?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document;let n=Array.from(e.selection.getSelectedBlocks());t.change(t=>{const e=n[n.length-1];let i=e.nextSibling;for(;i&&"listItem"==i.name&&i.getAttribute("listIndent")>e.getAttribute("listIndent");)n.push(i),i=i.nextSibling;this._indentBy<0&&(n=n.reverse());for(const e of n){const n=e.getAttribute("listIndent")+this._indentBy;n<0?t.rename(e,"paragraph"):t.setAttribute("listIndent",n,e)}this.fire("_executeCleanup",n)})}_checkEnabled(){const t=Mu(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("element","listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),n=t.getAttribute("listType");let i=t.previousSibling;for(;i&&i.is("element","listItem")&&i.getAttribute("listIndent")>=e;){if(i.getAttribute("listIndent")==e)return i.getAttribute("listType")==n;i=i.previousSibling}return!1}return!0}}function Jg(t,e){const n=e.mapper,i=e.writer,o="numbered"==t.getAttribute("listType")?"ol":"ul",r=function(t){const e=t.createContainerElement("li");return e.getFillerOffset=im,e}(i),s=i.createContainerElement(o,null);return i.insert(i.createPositionAt(s,0),r),n.bindElements(t,r),r}function Zg(t,e,n,i){const o=e.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(i.createPositionBefore(t));const c=em(t.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:t.getAttribute("listIndent")}),l=t.previousSibling;if(c&&c.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(c);a=s.breakContainer(s.createPositionAfter(t))}else if(l&&"listItem"==l.name){a=r.toViewPosition(i.createPositionAt(l,"end"));const t=r.findMappedViewAncestor(a),e=function(t){for(const e of t.getChildren())if("ul"==e.name||"ol"==e.name)return e;return null}(t);a=e?s.createPositionBefore(e):s.createPositionAt(t,"end")}else a=r.toViewPosition(i.createPositionBefore(t));if(a=tm(a),s.insert(a,o),l&&"listItem"==l.name){const t=r.toViewElement(l),n=s.createRange(s.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of n)if(t.item.is("element","li")){const i=s.breakContainer(s.createPositionBefore(t.item)),o=t.item.parent,r=s.createPositionAt(e,"end");Xg(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(o),r),n.position=i}}else{const n=o.nextSibling;if(n&&(n.is("element","ul")||n.is("element","ol"))){let i=null;for(const e of n.getChildren()){const n=r.toModelElement(e);if(!(n&&n.getAttribute("listIndent")>t.getAttribute("listIndent")))break;i=e}i&&(s.breakContainer(s.createPositionAfter(i)),s.move(s.createRangeOn(i.parent),s.createPositionAt(e,"end")))}}Xg(s,o,o.nextSibling),Xg(s,o.previousSibling,o)}function Xg(t,e,n){return!e||!n||"ul"!=e.name&&"ol"!=e.name||e.name!=n.name||e.getAttribute("class")!==n.getAttribute("class")?null:t.mergeContainers(t.createPositionAfter(e))}function tm(t){return t.getLastMatchingPosition(t=>t.item.is("uiElement"))}function em(t,e){const n=!!e.sameIndent,i=!!e.smallerIndent,o=e.listIndent;let r=t;for(;r&&"listItem"==r.name;){const t=r.getAttribute("listIndent");if(n&&o==t||i&&o>t)return r;r="forward"===e.direction?r.nextSibling:r.previousSibling}return null}function nm(t,e,n,i){t.ui.componentFactory.add(e,o=>{const r=t.commands.get(e),s=new Cl(o);return s.set({label:n,icon:i,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.on("execute",()=>{t.execute(e),t.editing.view.focus()}),s})}function im(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:Li.call(this)}function om(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;Zg(r,Jg(r,i),i,t)}}function rm(t,e,n){if(!n.consumable.consume(e.item,"attribute:listType"))return;const i=n.mapper.toViewElement(e.item),o=n.writer;o.breakContainer(o.createPositionBefore(i)),o.breakContainer(o.createPositionAfter(i));const r=i.parent,s="numbered"==e.attributeNewValue?"ol":"ul";o.rename(s,r)}function sm(t,e,n){const i=n.mapper.toViewElement(e.item).parent,o=n.writer;Xg(o,i,i.nextSibling),Xg(o,i.previousSibling,i);for(const t of e.item.getChildren())n.consumable.consume(t,"insert")}function am(t,e,n){if("listItem"!=e.item.name){let t=n.mapper.toViewPosition(e.range.start);const i=n.writer,o=[];for(;("ul"==t.parent.name||"ol"==t.parent.name)&&(t=i.breakContainer(t),"li"==t.parent.name);){const e=t,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;e<o.length;e++){const n=t.nodeBefore;if(t=i.insert(t,o[e]).end,e>0){const e=Xg(i,n,n.nextSibling);e&&e.parent==n&&t.offset--}}Xg(i,t.nodeBefore,t.nodeAfter)}}}function cm(t,e,n){const i=n.mapper.toViewPosition(e.position),o=i.nodeBefore,r=i.nodeAfter;Xg(n.writer,o,r)}function lm(t,e,n){if(n.consumable.consume(e.viewItem,{name:!0})){const t=n.writer,i=t.createElement("listItem"),o=function(t){let e=0,n=t.parent;for(;n;){if(n.is("element","li"))e++;else{const t=n.previousSibling;t&&t.is("element","li")&&e++}n=n.parent}return e}(e.viewItem);t.setAttribute("listIndent",o,i);const r=e.viewItem.parent&&"ol"==e.viewItem.parent.name?"numbered":"bulleted";if(t.setAttribute("listType",r,i),!n.safeInsert(i,e.modelCursor))return;const s=function(t,e,n){const{writer:i,schema:o}=n;let r=i.createPositionAfter(t);for(const s of e)if("ul"==s.name||"ol"==s.name)r=n.convertItem(s,r).modelCursor;else{const e=n.convertItem(s,i.createPositionAt(t,"end")),a=e.modelRange.start.nodeAfter;a&&a.is("element")&&!o.checkChild(t,a.name)&&(t=e.modelCursor.parent.is("element","listItem")?e.modelCursor.parent:gm(e.modelCursor),r=i.createPositionAfter(t))}return r}(i,e.viewItem.getChildren(),n);e.modelRange=t.createRange(e.modelCursor,s),n.updateConversionResult(i,e)}}function dm(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){const t=Array.from(e.viewItem.getChildren());for(const e of t){!(e.is("element","li")||pm(e))&&e._remove()}}}function um(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){if(0===e.viewItem.childCount)return;const t=[...e.viewItem.getChildren()];let n=!1,i=!0;for(const e of t)n&&!pm(e)&&e._remove(),e.is("$text")?(i&&(e._data=e.data.replace(/^\s+/,"")),e.nextSibling&&!pm(e.nextSibling)||(e._data=e.data.replace(/\s+$/,""))):pm(e)&&(n=!0),i=!1}}function hm(t){return(e,n)=>{if(n.isPhantom)return;const i=n.modelPosition.nodeBefore;if(i&&i.is("element","listItem")){const e=n.mapper.toViewElement(i),o=e.getAncestors().find(pm),r=t.createPositionAt(e,0).getWalker();for(const t of r){if("elementStart"==t.type&&t.item.is("element","li")){n.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==o){n.viewPosition=t.nextPosition;break}}}}}function fm(t,[e,n]){let i,o=e.is("documentFragment")?e.getChild(0):e;if(i=n?this.createSelection(n):this.document.selection,o&&o.is("element","listItem")){const t=i.getFirstPosition();let e=null;if(t.parent.is("element","listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("element","listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;o&&o.is("element","listItem");)o._setAttribute("listIndent",o.getAttribute("listIndent")+t),o=o.nextSibling}}}function gm(t){const e=new ys({startPosition:t});let n;do{n=e.next()}while(!n.value.item.is("element","listItem"));return n.value.item}function mm(t,e,n,i,o,r){const s=em(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=o.mapper,c=o.writer,l=s?s.getAttribute("listIndent"):null;let d;if(s)if(l==t){const t=a.toViewElement(s).parent;d=c.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");d=a.toViewPosition(t)}else d=n;d=tm(d);for(const t of[...i.getChildren()])pm(t)&&(d=c.move(c.createRangeOn(t),d).end,Xg(c,t,t.nextSibling),Xg(c,t.previousSibling,t))}function pm(t){return t.is("element","ol")||t.is("element","ul")}class bm extends Hc{static get pluginName(){return"ListEditing"}static get requires(){return[og]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data,n=t.editing;var i;t.model.document.registerPostFixer(e=>function(t,e){const n=t.document.differ.getChanges(),i=new Map;let o=!1;for(const i of n)if("insert"==i.type&&"listItem"==i.name)r(i.position);else if("insert"==i.type&&"listItem"!=i.name){if("$text"!=i.name){const n=i.position.nodeAfter;n.hasAttribute("listIndent")&&(e.removeAttribute("listIndent",n),o=!0),n.hasAttribute("listType")&&(e.removeAttribute("listType",n),o=!0),n.hasAttribute("listStyle")&&(e.removeAttribute("listStyle",n),o=!0);for(const e of Array.from(t.createRangeIn(n)).filter(t=>t.item.is("element","listItem")))r(e.previousPosition)}r(i.position.getShiftedBy(i.length))}else"remove"==i.type&&"listItem"==i.name?r(i.position):("attribute"==i.type&&"listIndent"==i.attributeKey||"attribute"==i.type&&"listType"==i.attributeKey)&&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("element","listItem")){let t=e;if(i.has(t))return;for(let e=t.previousSibling;e&&e.is("element","listItem");e=t.previousSibling)if(t=e,i.has(t))return;i.set(e,t)}else{const e=t.nodeAfter;e&&e.is("element","listItem")&&i.set(e,e)}}function s(t){let n=0,i=null;for(;t&&t.is("element","listItem");){const r=t.getAttribute("listIndent");if(r>n){let s;null===i?(i=r-n,s=n):(i>r&&(i=r),s=r-i),e.setAttribute("listIndent",s,t),o=!0}else i=null,n=t.getAttribute("listIndent")+1;t=t.nextSibling}}function a(t){let n=[],i=null;for(;t&&t.is("element","listItem");){const r=t.getAttribute("listIndent");if(i&&i.getAttribute("listIndent")>r&&(n=n.slice(0,r+1)),0!=r)if(n[r]){const i=n[r];t.getAttribute("listType")!=i&&(e.setAttribute("listType",i,t),o=!0)}else n[r]=t.getAttribute("listType");i=t,t=t.nextSibling}}}(t.model,e)),n.mapper.registerViewToModelLength("li",wm),e.mapper.registerViewToModelLength("li",wm),n.mapper.on("modelToViewPosition",hm(n.view)),n.mapper.on("viewToModelPosition",(i=t.model,(t,e)=>{const n=e.viewPosition,o=n.parent,r=e.mapper;if("ul"==o.name||"ol"==o.name){if(n.isAtEnd){const t=r.toModelElement(n.nodeBefore),o=r.getModelLength(n.nodeBefore);e.modelPosition=i.createPositionBefore(t).getShiftedBy(o)}else{const t=r.toModelElement(n.nodeAfter);e.modelPosition=i.createPositionBefore(t)}t.stop()}else if("li"==o.name&&n.nodeBefore&&("ul"==n.nodeBefore.name||"ol"==n.nodeBefore.name)){const s=r.toModelElement(o);let a=1,c=n.nodeBefore;for(;c&&pm(c);)a+=r.getModelLength(c),c=c.previousSibling;e.modelPosition=i.createPositionBefore(s).getShiftedBy(a),t.stop()}})),e.mapper.on("modelToViewPosition",hm(n.view)),t.conversion.for("editingDowncast").add(e=>{e.on("insert",am,{priority:"high"}),e.on("insert:listItem",om(t.model)),e.on("attribute:listType:listItem",rm,{priority:"high"}),e.on("attribute:listType:listItem",sm,{priority:"low"}),e.on("attribute:listIndent:listItem",function(t){return(e,n,i)=>{if(!i.consumable.consume(n.item,"attribute:listIndent"))return;const o=i.mapper.toViewElement(n.item),r=i.writer;r.breakContainer(r.createPositionBefore(o)),r.breakContainer(r.createPositionAfter(o));const s=o.parent,a=s.previousSibling,c=r.createRangeOn(s);r.remove(c),a&&a.nextSibling&&Xg(r,a,a.nextSibling),mm(n.attributeOldValue+1,n.range.start,c.start,o,i,t),Zg(n.item,o,i,t);for(const t of n.item.getChildren())i.consumable.consume(t,"insert")}}(t.model)),e.on("remove:listItem",function(t){return(e,n,i)=>{const o=i.mapper.toViewPosition(n.position).getLastMatchingPosition(t=>!t.item.is("element","li")).nodeAfter,r=i.writer;r.breakContainer(r.createPositionBefore(o)),r.breakContainer(r.createPositionAfter(o));const s=o.parent,a=s.previousSibling,c=r.createRangeOn(s),l=r.remove(c);a&&a.nextSibling&&Xg(r,a,a.nextSibling);mm(i.mapper.toModelElement(o).getAttribute("listIndent")+1,n.position,c.start,o,i,t);for(const t of r.createRangeIn(l).getItems())i.mapper.unbindViewElement(t);e.stop()}}(t.model)),e.on("remove",cm,{priority:"low"})}),t.conversion.for("dataDowncast").add(e=>{e.on("insert",am,{priority:"high"}),e.on("insert:listItem",om(t.model))}),t.conversion.for("upcast").add(t=>{t.on("element:ul",dm,{priority:"high"}),t.on("element:ol",dm,{priority:"high"}),t.on("element:li",um,{priority:"high"}),t.on("element:li",lm)}),t.model.on("insertContent",fm,{priority:"high"}),t.commands.add("numberedList",new Yg(t,"numbered")),t.commands.add("bulletedList",new Yg(t,"bulleted")),t.commands.add("indentList",new Qg(t,"forward")),t.commands.add("outdentList",new Qg(t,"backward"));const o=n.view.document;this.listenTo(o,"enter",(t,e)=>{const n=this.editor.model.document,i=n.selection.getLastPosition().parent;n.selection.isCollapsed&&"listItem"==i.name&&i.isEmpty&&(this.editor.execute("outdentList"),e.preventDefault(),t.stop())}),this.listenTo(o,"delete",(t,e)=>{if("backward"!==e.direction)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("listItem"!==o.name)return;o.previousSibling&&"listItem"===o.previousSibling.name||(this.editor.execute("outdentList"),e.preventDefault(),t.stop())},{priority:"high"});const r=t=>(e,n)=>{this.editor.commands.get(t).isEnabled&&(this.editor.execute(t),n())};t.keystrokes.set("Tab",r("indentList")),t.keystrokes.set("Shift+Tab",r("outdentList"))}afterInit(){const t=this.editor.commands,e=t.get("indent"),n=t.get("outdent");e&&e.registerChildCommand(t.get("indentList")),n&&n.registerChildCommand(t.get("outdentList"))}}function wm(t){let e=1;for(const n of t.getChildren())if("ul"==n.name||"ol"==n.name)for(const t of n.getChildren())e+=wm(t);return e}class km extends Hc{init(){const t=this.editor.t;nm(this.editor,"numberedList",t("Numbered List"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM3.5 3v5H2V3.7H1v-1h2.5V3zM.343 17.857l2.59-3.257H2.92a.6.6 0 1 0-1.04 0H.302a2 2 0 1 1 3.995 0h-.001c-.048.405-.16.734-.333.988-.175.254-.59.692-1.244 1.312H4.3v1h-4l.043-.043zM7 14.75a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z"/></svg>'),nm(this.editor,"bulletedList",t("Bulleted List"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0C1 4.784 1.777 4 2.75 4c.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75C1.784 7.5 1 6.723 1 5.75zm6 9c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0c0-.966.777-1.75 1.75-1.75.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75-.966 0-1.75-.777-1.75-1.75z"/></svg>')}}function _m(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,s=o.writer,a=o.mapper.toViewElement(i.item),c=[...a.getChildren()].find(t=>t.getCustomProperty("media-content"));s.remove(c);const l=t.getMediaViewElement(s,r,e);s.insert(s.createPositionAt(a,0),l)}}function vm(t,e,n,i){const o=t.createContainerElement("figure",{class:"media"});return t.insert(t.createPositionAt(o,0),e.getMediaViewElement(t,n,i)),o}function ym(t){const e=t.getSelectedElement();return e&&e.is("element","media")?e:null}function xm(t,e,n){t.change(i=>{const o=i.createElement("media",{url:e});t.insertContent(o,n),i.setSelection(o,"on")})}class Am extends Ad{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,i=rh(e,t),o=ym(e);let r=i.parent;r.isEmpty&&!t.schema.isLimit(r)&&(r=r.parent),this.value=o?o.getAttribute("url"):null,this.isEnabled=n.checkChild(r,"media")}execute(t){const e=this.editor.model,n=e.document.selection,i=ym(n);if(i)e.change(e=>{e.setAttribute("url",t,i)});else{const i=rh(n,e);xm(e,t,i)}}}class Cm{constructor(t,e){const n=e.providers,i=e.extraProviders||[],o=new Set(e.removeProviders),r=n.concat(i).filter(t=>{const e=t.name;return e?!o.has(e):(Object(hn.c)("media-embed-no-provider-name",{provider:t}),!1)});this.locale=t,this.providerDefinitions=r}hasMedia(t){return!!this._getMedia(t)}getMediaViewElement(t,e,n){return this._getMedia(e).getViewElement(t,n)}_getMedia(t){if(!t)return new Tm(this.locale);t=t.trim();for(const e of this.providerDefinitions){const n=e.html;let i=e.url;Array.isArray(i)||(i=[i]);for(const e of i){const i=this._getUrlMatches(t,e);if(i)return new Tm(this.locale,t,i,n)}}return null}_getUrlMatches(t,e){let n=t.match(e);if(n)return n;let i=t.replace(/^https?:\/\//,"");return n=i.match(e),n||(i=i.replace(/^www\./,""),n=i.match(e),n||null)}}class Tm{constructor(t,e,n,i){this.url=this._getValidUrl(e),this._t=t.t,this._match=n,this._previewRenderer=i}getViewElement(t,e){const n={};let i;if(e.renderForEditingView||e.renderMediaPreview&&this.url&&this._previewRenderer){this.url&&(n["data-oembed-url"]=this.url),e.renderForEditingView&&(n.class="ck-media__wrapper");const o=this._getPreviewHtml(e);i=t.createRawElement("div",n,(function(t){t.innerHTML=o}))}else this.url&&(n.url=this.url),i=t.createEmptyElement("oembed",n);return t.setCustomProperty("media-content",!0,i),i}_getPreviewHtml(t){return this._previewRenderer?this._previewRenderer(this._match):this.url&&t.renderForEditingView?this._getPlaceholderHtml():""}_getPlaceholderHtml(){const t=new Al,e=new xl;t.text=this._t("Open media in new tab"),e.content='<svg viewBox="0 0 64 42" xmlns="http://www.w3.org/2000/svg"><path d="M47.426 17V3.713L63.102 0v19.389h-.001l.001.272c0 1.595-2.032 3.43-4.538 4.098-2.506.668-4.538-.083-4.538-1.678 0-1.594 2.032-3.43 4.538-4.098.914-.244 2.032-.565 2.888-.603V4.516L49.076 7.447v9.556A1.014 1.014 0 0 0 49 17h-1.574zM29.5 17h-8.343a7.073 7.073 0 1 0-4.657 4.06v3.781H3.3a2.803 2.803 0 0 1-2.8-2.804V8.63a2.803 2.803 0 0 1 2.8-2.805h4.082L8.58 2.768A1.994 1.994 0 0 1 10.435 1.5h8.985c.773 0 1.477.448 1.805 1.149l1.488 3.177H26.7c1.546 0 2.8 1.256 2.8 2.805V17zm-11.637 0H17.5a1 1 0 0 0-1 1v.05A4.244 4.244 0 1 1 17.863 17zm29.684 2c.97 0 .953-.048.953.889v20.743c0 .953.016.905-.953.905H19.453c-.97 0-.953.048-.953-.905V19.89c0-.937-.016-.889.97-.889h28.077zm-4.701 19.338V22.183H24.154v16.155h18.692zM20.6 21.375v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616V37.53H20.6zm24.233-16.155v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615V37.53h-1.615zM29.485 25.283a.4.4 0 0 1 .593-.35l9.05 4.977a.4.4 0 0 1 0 .701l-9.05 4.978a.4.4 0 0 1-.593-.35v-9.956z"/></svg>',e.viewBox="0 0 64 42";return new $c({tag:"div",attributes:{class:"ck ck-reset_all ck-media__placeholder"},children:[{tag:"div",attributes:{class:"ck-media__placeholder__icon"},children:[e]},{tag:"a",attributes:{class:"ck-media__placeholder__url",target:"_blank",rel:"noopener noreferrer",href:this.url},children:[{tag:"span",attributes:{class:"ck-media__placeholder__url__text"},children:[this.url]},t]}]}).render().outerHTML}_getValidUrl(t){return t?t.match(/^https?/)?t:"https://"+t:null}}n(78);class Pm extends Hc{static get pluginName(){return"MediaEmbedEditing"}constructor(t){super(t),t.config.define("mediaEmbed",{providers:[{name:"dailymotion",url:/^dailymotion\.com\/video\/(\w+)/,html:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; "><iframe src="https://www.dailymotion.com/embed/video/${t[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" width="480" height="270" allowfullscreen allow="autoplay"></iframe></div>`},{name:"spotify",url:[/^open\.spotify\.com\/(artist\/\w+)/,/^open\.spotify\.com\/(album\/\w+)/,/^open\.spotify\.com\/(track\/\w+)/],html:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 126%;"><iframe src="https://open.spotify.com/embed/${t[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allowtransparency="true" allow="encrypted-media"></iframe></div>`},{name:"youtube",url:[/^(?:m\.)?youtube\.com\/watch\?v=([\w-]+)/,/^(?:m\.)?youtube\.com\/v\/([\w-]+)/,/^youtube\.com\/embed\/([\w-]+)/,/^youtu\.be\/([\w-]+)/],html:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;"><iframe src="https://www.youtube.com/embed/${t[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe></div>`},{name:"vimeo",url:[/^vimeo\.com\/(\d+)/,/^vimeo\.com\/[^/]+\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/album\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/channels\/[^/]+\/(\d+)/,/^vimeo\.com\/groups\/[^/]+\/videos\/(\d+)/,/^vimeo\.com\/ondemand\/[^/]+\/(\d+)/,/^player\.vimeo\.com\/video\/(\d+)/],html:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;"><iframe src="https://player.vimeo.com/video/${t[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div>`},{name:"instagram",url:/^instagram\.com\/p\/(\w+)/},{name:"twitter",url:/^twitter\.com/},{name:"googleMaps",url:/^google\.com\/maps/},{name:"flickr",url:/^flickr\.com/},{name:"facebook",url:/^facebook\.com/}]}),this.registry=new Cm(t.locale,t.config.get("mediaEmbed"))}init(){const t=this.editor,e=t.model.schema,n=t.t,i=t.conversion,o=t.config.get("mediaEmbed.previewsInData"),r=this.registry;t.commands.add("mediaEmbed",new Am(t)),e.register("media",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["url"]}),i.for("dataDowncast").elementToElement({model:"media",view:(t,{writer:e})=>{const n=t.getAttribute("url");return vm(e,r,n,{renderMediaPreview:n&&o})}}),i.for("dataDowncast").add(_m(r,{renderMediaPreview:o})),i.for("editingDowncast").elementToElement({model:"media",view:(t,{writer:e})=>{const i=t.getAttribute("url");return function(t,e,n){return e.setCustomProperty("media",!0,t),eh(t,e,{label:n})}(vm(e,r,i,{renderForEditingView:!0}),e,n("media widget"))}}),i.for("editingDowncast").add(_m(r,{renderForEditingView:!0})),i.for("upcast").elementToElement({view:{name:"oembed",attributes:{url:!0}},model:(t,{writer:e})=>{const n=t.getAttribute("url");if(r.hasMedia(n))return e.createElement("media",{url:n})}}).elementToElement({view:{name:"div",attributes:{"data-oembed-url":!0}},model:(t,{writer:e})=>{const n=t.getAttribute("data-oembed-url");if(r.hasMedia(n))return e.createElement("media",{url:n})}})}}const Em=/^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w.-]+)+[\w\-._~:/?#[\]@!$&'()*+,;=%]+$/;class Sm extends Hc{static get requires(){return[xd,vu]}static get pluginName(){return"AutoMediaEmbed"}constructor(t){super(t),this._timeoutId=null,this._positionToInsert=null}init(){const t=this.editor,e=t.model.document;this.listenTo(t.plugins.get(xd),"inputTransformation",()=>{const t=e.selection.getFirstRange(),n=_c.fromPosition(t.start);n.stickiness="toPrevious";const i=_c.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",()=>{this._timeoutId&&(or.window.clearTimeout(this._timeoutId),this._positionToInsert.detach(),this._timeoutId=null,this._positionToInsert=null)},{priority:"high"})}_embedMediaBetweenPositions(t,e){const n=this.editor,i=n.plugins.get(Pm).registry,o=new Fs(t,e),r=o.getWalker({ignoreElementEnd:!0});let s="";for(const t of r)t.item.is("$textProxy")&&(s+=t.item.data);if(s=s.trim(),!s.match(Em))return void o.detach();if(!i.hasMedia(s))return void o.detach();n.commands.get("mediaEmbed").isEnabled?(this._positionToInsert=_c.fromPosition(t),this._timeoutId=or.window.setTimeout(()=>{n.model.change(t=>{let e;this._timeoutId=null,t.remove(o),o.detach(),"$graveyard"!==this._positionToInsert.root.rootName&&(e=this._positionToInsert),xm(n.model,s,e),this._positionToInsert.detach(),this._positionToInsert=null})},100)):o.detach()}}n(80);class Mm extends ul{constructor(t,e){super(e);const n=e.t;this.focusTracker=new Tl,this.keystrokes=new jc,this.set("mediaURLInputValue",""),this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("Save"),Nf,"ck-button-save"),this.saveButtonView.type="submit",this.saveButtonView.bind("isEnabled").to(this,"mediaURLInputValue",t=>!!t),this.cancelButtonView=this._createButton(n("Cancel"),Of,"ck-button-cancel","cancel"),this._focusables=new qc,this._focusCycler=new Il({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this._validators=t,this.setTemplate({tag:"form",attributes:{class:["ck","ck-media-form","ck-responsive-form"],tabindex:"-1"},children:[this.urlInputView,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),If({view:this});[this.urlInputView,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element);const t=t=>t.stopPropagation();this.keystrokes.set("arrowright",t),this.keystrokes.set("arrowleft",t),this.keystrokes.set("arrowup",t),this.keystrokes.set("arrowdown",t),this.listenTo(this.urlInputView.element,"selectstart",(t,e)=>{e.stopPropagation()},{priority:"high"})}focus(){this._focusCycler.focusFirst()}get url(){return this.urlInputView.fieldView.element.value.trim()}set url(t){this.urlInputView.fieldView.element.value=t.trim()}isValid(){this.resetFormStatus();for(const t of this._validators){const e=t(this);if(e)return 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i=ip(t,e);i&&0===i.childCount&&n.writer.remove(n.writer.createRangeOn(i))}function rp(t){return!![...t.getAttributeKeys()].length}function sp(t){return Array.isArray(t)?t:[t]}class ap extends Ad{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,i=function(t){const e=t.parent;return e===e.root?e:e.parent}(e.getFirstPosition());this.isEnabled=n.checkChild(i,"table")}execute(t={}){const e=this.editor.model,n=e.document.selection,i=this.editor.plugins.get("TableUtils"),o=rh(n,e);e.change(n=>{const r=i.createTable(n,t);e.insertContent(r,o),n.setSelection(n.createPositionAt(r.getNodeByPath([0,0,0]),0))})}}function cp(t){const e=[];for(const n of gp(t.getRanges())){const t=n.getContainedElement();t&&t.is("element","tableCell")&&e.push(t)}return e}function lp(t){const e=[];for(const n of t.getRanges()){const t=n.start.findAncestor("tableCell");t&&e.push(t)}return e}function dp(t){const e=cp(t);return e.length?e:lp(t)}function up(t){return mp(t.map(t=>t.parent.index))}function hp(t){const e=t[0].findAncestor("table");return mp([...new Gm(e)].filter(e=>t.includes(e.cell)).map(t=>t.column))}function fp(t,e){if(t.length<2||!function(t){const e=t[0].findAncestor("table"),n=up(t),i=parseInt(e.getAttribute("headingRows")||0);if(!bp(n,i))return!1;const o=parseInt(e.getAttribute("headingColumns")||0);return bp(hp(t),o)}(t))return!1;const n=new Set,i=new Set;let o=0;for(const r of t){const{row:t,column:s}=e.getCellLocation(r),a=parseInt(r.getAttribute("rowspan")||1),c=parseInt(r.getAttribute("colspan")||1);n.add(t),i.add(s),a>1&&n.add(t+a-1),c>1&&i.add(s+c-1),o+=a*c}return function(t,e){const n=Array.from(t.values()),i=Array.from(e.values()),o=Math.max(...n),r=Math.min(...n),s=Math.max(...i),a=Math.min(...i);return(o-r+1)*(s-a+1)}(n,i)==o}function gp(t){return Array.from(t).sort(pp)}function mp(t){const e=t.sort((t,e)=>t-e);return{first:e[0],last:e[e.length-1]}}function pp(t,e){const n=t.start,i=e.start;return n.isBefore(i)?-1:1}function bp({first:t,last:e},n){return t<n===e<n}class wp extends Ad{constructor(t,e={}){super(t),this.order=e.order||"below"}refresh(){const t=this.editor.model.document.selection.getFirstPosition().findAncestor("table");this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),i="above"===this.order,o=dp(e),r=up(o),s=i?r.first:r.last,a=o[0].findAncestor("table");n.insertRows(a,{at:i?s:s+1,copyStructureFromAbove:!i})}}class kp extends Ad{constructor(t,e={}){super(t),this.order=e.order||"right"}refresh(){const t=this.editor.model.document.selection.getFirstPosition().findAncestor("table");this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),i="left"===this.order,o=dp(e),r=hp(o),s=i?r.first:r.last,a=o[0].findAncestor("table");n.insertColumns(a,{columns:1,at:i?s:s+1})}}class _p extends Ad{constructor(t,e={}){super(t),this.direction=e.direction||"horizontally"}refresh(){const t=dp(this.editor.model.document.selection);this.isEnabled=1===t.length}execute(){const t=dp(this.editor.model.document.selection)[0],e="horizontally"===this.direction,n=this.editor.plugins.get("TableUtils");e?n.splitCellHorizontally(t,2):n.splitCellVertically(t,2)}}function vp(t,e,n){const{startRow:i,startColumn:o,endRow:r,endColumn:s}=e,a=n.createElement("table"),c=r-i+1;for(let t=0;t<c;t++)n.insertElement("tableRow",a,"end");const l=[...new Gm(t,{startRow:i,endRow:r,startColumn:o,endColumn:s,includeAllSlots:!0})];for(const{row:t,column:e,cell:c,isAnchor:d,cellAnchorRow:u,cellAnchorColumn:h}of l){const l=t-i,f=a.getChild(l);if(d){const i=n.cloneElement(c);n.append(i,f),Tp(i,t,e,r,s,n)}else(u<i||h<o)&&Wm(n,n.createPositionAt(f,"end"))}return function(t,e,n,i,o){const r=parseInt(e.getAttribute("headingRows")||0);if(r>0){Hm("headingRows",r-n,t,o,0)}const s=parseInt(e.getAttribute("headingColumns")||0);if(s>0){Hm("headingColumns",s-i,t,o,0)}}(a,t,i,o,n),a}function yp(t,e,n=0){const i=[],o=new Gm(t,{startRow:n,endRow:e-1});for(const t of o){const{row:n,cellHeight:o}=t,r=n+o-1;n<e&&e<=r&&i.push(t)}return i}function xp(t,e,n){const i=t.parent,o=i.parent,r=i.index,s=e-r,a={},c=parseInt(t.getAttribute("rowspan"))-s;c>1&&(a.rowspan=c);const l=parseInt(t.getAttribute("colspan")||1);l>1&&(a.colspan=l);const d=r+s,u=[...new Gm(o,{startRow:r,endRow:d,includeAllSlots:!0})];let h,f=null;for(const e of u){const{row:i,column:o,cell:r}=e;r===t&&void 0===h&&(h=o),void 0!==h&&h===o&&i===d&&(f=Wm(n,e.getPositionBefore(),a))}return Hm("rowspan",s,t,n),f}function Ap(t,e){const n=[],i=new Gm(t);for(const t of i){const{column:i,cellWidth:o}=t,r=i+o-1;i<e&&e<=r&&n.push(t)}return n}function Cp(t,e,n,i){const o=n-e,r={},s=parseInt(t.getAttribute("colspan"))-o;s>1&&(r.colspan=s);const a=parseInt(t.getAttribute("rowspan")||1);a>1&&(r.rowspan=a);const c=Wm(i,i.createPositionAfter(t),r);return Hm("colspan",o,t,i),c}function Tp(t,e,n,i,o,r){const s=parseInt(t.getAttribute("colspan")||1),a=parseInt(t.getAttribute("rowspan")||1);if(n+s-1>o){Hm("colspan",o-n+1,t,r,1)}if(e+a-1>i){Hm("rowspan",i-e+1,t,r,1)}}function Pp(t,e){const n=e.getColumns(t),i=new Array(n).fill(0);for(const{column:e}of new Gm(t))i[e]++;const o=i.reduce((t,e,n)=>e?t:[...t,n],[]);if(o.length>0){const n=o[o.length-1];return e.removeColumns(t,{at:n}),!0}return!1}function Ep(t,e){const n=[];for(let e=0;e<t.childCount;e++){t.getChild(e).isEmpty&&n.push(e)}if(n.length>0){const i=n[n.length-1];return e.removeRows(t,{at:i}),!0}return!1}function Sp(t,e){Pp(t,e)||Ep(t,e)}function Mp(t,e){const n=Array.from(new Gm(t,{startColumn:e.firstColumn,endColumn:e.lastColumn,row:e.lastRow}));if(n.every(({cellHeight:t})=>1===t))return e.lastRow;const i=n[0].cellHeight-1;return e.lastRow+i}function Ip(t,e){const n=Array.from(new Gm(t,{startRow:e.firstRow,endRow:e.lastRow,column:e.lastColumn}));if(n.every(({cellWidth:t})=>1===t))return e.lastColumn;const i=n[0].cellWidth-1;return e.lastColumn+i}class Np extends Ad{constructor(t,e){super(t),this.direction=e.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const t=this._getMergeableCell();this.value=t,this.isEnabled=!!t}execute(){const t=this.editor.model,e=lp(t.document.selection)[0],n=this.value,i=this.direction;t.change(t=>{const o="right"==i||"down"==i,r=o?e:n,s=o?n:e,a=s.parent;!function(t,e,n){Op(t)||(Op(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end")));n.remove(t)}(s,r,t);const c=this.isHorizontal?"colspan":"rowspan",l=parseInt(e.getAttribute(c)||1),d=parseInt(n.getAttribute(c)||1);t.setAttribute(c,l+d,r),t.setSelection(t.createRangeIn(r));const u=this.editor.plugins.get("TableUtils");Sp(a.findAncestor("table"),u)})}_getMergeableCell(){const t=lp(this.editor.model.document.selection)[0];if(!t)return;const e=this.editor.plugins.get("TableUtils"),n=this.isHorizontal?function(t,e,n){const i=t.parent.parent,o="right"==e?t.nextSibling:t.previousSibling,r=(i.getAttribute("headingColumns")||0)>0;if(!o)return;const s="right"==e?t:o,a="right"==e?o:t,{column:c}=n.getCellLocation(s),{column:l}=n.getCellLocation(a),d=parseInt(s.getAttribute("colspan")||1),u=qm(n,s),h=qm(n,a);if(r&&u!=h)return;return c+d===l?o:void 0}(t,this.direction,e):function(t,e){const n=t.parent,i=n.parent,o=i.getChildIndex(n);if("down"==e&&o===i.childCount-1||"up"==e&&0===o)return;const r=parseInt(t.getAttribute("rowspan")||1),s=i.getAttribute("headingRows")||0,a="down"==e&&o+r===s,c="up"==e&&o===s;if(s&&(a||c))return;const l=parseInt(t.getAttribute("rowspan")||1),d="down"==e?o+l:o,u=[...new Gm(i,{endRow:d})],h=u.find(e=>e.cell===t).column,f=u.find(({row:t,cellHeight:n,column:i})=>i===h&&("down"==e?t===d:d===t+n));return f&&f.cell}(t,this.direction);if(!n)return;const i=this.isHorizontal?"rowspan":"colspan",o=parseInt(t.getAttribute(i)||1);return parseInt(n.getAttribute(i)||1)===o?n:void 0}}function Op(t){return 1==t.childCount&&t.getChild(0).is("element","paragraph")&&t.getChild(0).isEmpty}class Rp extends Ad{refresh(){const t=dp(this.editor.model.document.selection),e=t[0];if(e){const n=e.findAncestor("table"),i=this.editor.plugins.get("TableUtils").getRows(n)-1,o=up(t),r=0===o.first&&o.last===i;this.isEnabled=!r}else this.isEnabled=!1}execute(){const t=this.editor.model,e=dp(t.document.selection),n=up(e),i=e[0],o=i.findAncestor("table"),r=this.editor.plugins.get("TableUtils").getCellLocation(i).column;t.change(t=>{const e=n.last-n.first+1;this.editor.plugins.get("TableUtils").removeRows(o,{at:n.first,rows:e});const i=function(t,e,n){const i=t.getChild(e)||t.getChild(t.childCount-1);let o=i.getChild(0),r=0;for(const t of i.getChildren()){if(r>n)return o;o=t,r+=parseInt(t.getAttribute("colspan")||1)}return o}(o,n.first,r);t.setSelection(t.createPositionAt(i,0))})}}class Dp extends Ad{refresh(){const t=dp(this.editor.model.document.selection),e=t[0];if(e){const n=e.findAncestor("table"),i=this.editor.plugins.get("TableUtils").getColumns(n),{first:o,last:r}=hp(t);this.isEnabled=r-o<i-1}else this.isEnabled=!1}execute(){const[t,e]=function(t){const e=dp(t),n=e[0],i=e.pop(),o=[n,i];return n.isBefore(i)?o:o.reverse()}(this.editor.model.document.selection),n=t.parent.parent,i=[...new Gm(n)],o={first:i.find(e=>e.cell===t).column,last:i.find(t=>t.cell===e).column},r=function(t,e,n,i){return parseInt(n.getAttribute("colspan")||1)>1?n:e.previousSibling||n.nextSibling?n.nextSibling||e.previousSibling:i.first?t.reverse().find(({column:t})=>t<i.first).cell:t.reverse().find(({column:t})=>t>i.last).cell}(i,t,e,o);this.editor.model.change(t=>{const e=o.last-o.first+1;this.editor.plugins.get("TableUtils").removeColumns(n,{at:o.first,columns:e}),t.setSelection(t.createPositionAt(r,0))})}}class Lp extends Ad{refresh(){const t=dp(this.editor.model.document.selection),e=t.length>0;this.isEnabled=e,this.value=e&&t.every(t=>this._isInHeading(t,t.parent.parent))}execute(t={}){if(t.forceValue===this.value)return;const e=this.editor.model,n=dp(e.document.selection),i=n[0].findAncestor("table"),{first:o,last:r}=up(n),s=this.value?o:r+1,a=i.getAttribute("headingRows")||0;e.change(t=>{if(s){const e=yp(i,s,s>a?a:0);for(const{cell:n}of e)xp(n,s,t)}Hm("headingRows",s,i,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingRows")||0);return!!n&&t.parent.index<n}}class Vp extends Ad{refresh(){const t=dp(this.editor.model.document.selection),e=this.editor.plugins.get("TableUtils"),n=t.length>0;this.isEnabled=n,this.value=n&&t.every(t=>qm(e,t))}execute(t={}){if(t.forceValue===this.value)return;const e=this.editor.model,n=dp(e.document.selection),i=n[0].findAncestor("table"),{first:o,last:r}=hp(n),s=this.value?o:r+1;e.change(t=>{if(s){const e=Ap(i,s);for(const{cell:n,column:i}of e)Cp(n,i,s,t)}Hm("headingColumns",s,i,t,0)})}}class jp extends Hc{static get pluginName(){return"TableUtils"}init(){this.decorate("insertColumns"),this.decorate("insertRows")}getCellLocation(t){const e=t.parent,n=e.parent,i=n.getChildIndex(e),o=new Gm(n,{row:i});for(const{cell:e,row:n,column:i}of o)if(e===t)return{row:n,column:i}}createTable(t,e){const n=t.createElement("table");return zp(t,n,0,parseInt(e.rows)||2,parseInt(e.columns)||2),e.headingRows&&Hm("headingRows",e.headingRows,n,t,0),e.headingColumns&&Hm("headingColumns",e.headingColumns,n,t,0),n}insertRows(t,e={}){const n=this.editor.model,i=e.at||0,o=e.rows||1,r=void 0!==e.copyStructureFromAbove,s=e.copyStructureFromAbove?i-1:i,a=this.getRows(t),c=this.getColumns(t);n.change(e=>{const n=t.getAttribute("headingRows")||0;if(n>i&&Hm("headingRows",n+o,t,e,0),!r&&(0===i||i===a))return void zp(e,t,i,o,c);const l=r?Math.max(i,s):i,d=new Gm(t,{endRow:l}),u=new Array(c).fill(1);for(const{row:t,column:n,cellHeight:a,cellWidth:c,cell:l}of d){const d=t+a-1,h=t<=s&&s<=d;t<i&&i<=d?(e.setAttribute("rowspan",a+o,l),u[n]=-c):r&&h&&(u[n]=c)}for(let n=0;n<o;n++){const n=e.createElement("tableRow");e.insert(n,t,i);for(let t=0;t<u.length;t++){const i=u[t],o=e.createPositionAt(n,"end");i>0&&Wm(e,o,i>1?{colspan:i}:null),t+=Math.abs(i)-1}}})}insertColumns(t,e={}){const n=this.editor.model,i=e.at||0,o=e.columns||1;n.change(e=>{const n=t.getAttribute("headingColumns");i<n&&e.setAttribute("headingColumns",n+o,t);const r=this.getColumns(t);if(0===i||r===i){for(const n of t.getChildren())Bp(o,e,e.createPositionAt(n,i?"end":0));return}const s=new Gm(t,{column:i,includeAllSlots:!0});for(const t of s){const{row:n,cell:r,cellAnchorColumn:a,cellAnchorRow:c,cellWidth:l,cellHeight:d}=t;if(a<i){e.setAttribute("colspan",l+o,r);const t=c+d-1;for(let e=n;e<=t;e++)s.skipRow(e)}else Bp(o,e,t.getPositionBefore())}})}removeRows(t,e){const n=this.editor.model,i=e.rows||1,o=e.at,r=o+i-1;n.change(e=>{const{cellsToMove:n,cellsToTrim:i}=function(t,e,n){const i=new Map,o=[];for(const{row:r,column:s,cellHeight:a,cell:c}of new Gm(t,{endRow:n})){const t=r+a-1;if(r>=e&&r<=n&&t>n){const t=a-(n-r+1);i.set(s,{cell:c,rowspan:t})}if(r<e&&t>=e){let i;i=t>=n?n-e+1:t-e+1,o.push({cell:c,rowspan:a-i})}}return{cellsToMove:i,cellsToTrim:o}}(t,o,r);if(n.size){!function(t,e,n,i){const o=[...new Gm(t,{includeAllSlots:!0,row:e})],r=t.getChild(e);let s;for(const{column:t,cell:e,isAnchor:a}of o)if(n.has(t)){const{cell:e,rowspan:o}=n.get(t),a=s?i.createPositionAfter(s):i.createPositionAt(r,0);i.move(i.createRangeOn(e),a),Hm("rowspan",o,e,i),s=e}else a&&(s=e)}(t,r+1,n,e)}for(let n=r;n>=o;n--)e.remove(t.getChild(n));for(const{rowspan:t,cell:n}of i)Hm("rowspan",t,n,e);!function(t,e,n,i){const o=t.getAttribute("headingRows")||0;if(e<o){Hm("headingRows",n<o?o-(n-e+1):e,t,i,0)}}(t,o,r,e),Pp(t,this)||Ep(t,this)})}removeColumns(t,e){const n=this.editor.model,i=e.at,o=e.columns||1,r=e.at+o-1;n.change(e=>{!function(t,e,n){const i=t.getAttribute("headingColumns")||0;if(i&&e.first<i){const o=Math.min(i-1,e.last)-e.first+1;n.setAttribute("headingColumns",i-o,t)}}(t,{first:i,last:r},e);for(let n=r;n>=i;n--)for(const{cell:i,column:o,cellWidth:r}of[...new Gm(t)])o<=n&&r>1&&o+r>n?Hm("colspan",r-1,i,e):o===n&&e.remove(i);Ep(t,this)||Pp(t,this)})}splitCellVertically(t,e=2){const n=this.editor.model,i=t.parent.parent,o=parseInt(t.getAttribute("rowspan")||1),r=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(r>1){const{newCellsSpan:i,updatedSpan:s}=Fp(r,e);Hm("colspan",s,t,n);const a={};i>1&&(a.colspan=i),o>1&&(a.rowspan=o);Bp(r>e?e-1:r-1,n,n.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new Gm(i)],{column:c}=a.find(({cell:e})=>e===t),l=a.filter(({cell:e,cellWidth:n,column:i})=>e!==t&&i===c||i<c&&i+n>c);for(const{cell:t,cellWidth:e}of l)n.setAttribute("colspan",e+s,t);const d={};o>1&&(d.rowspan=o),Bp(s,n,n.createPositionAfter(t),d);const u=i.getAttribute("headingColumns")||0;u>c&&Hm("headingColumns",u+s,i,n)}})}splitCellHorizontally(t,e=2){const n=this.editor.model,i=t.parent,o=i.parent,r=o.getChildIndex(i),s=parseInt(t.getAttribute("rowspan")||1),a=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(s>1){const i=[...new Gm(o,{startRow:r,endRow:r+s-1,includeAllSlots:!0})],{newCellsSpan:c,updatedSpan:l}=Fp(s,e);Hm("rowspan",l,t,n);const{column:d}=i.find(({cell:e})=>e===t),u={};c>1&&(u.rowspan=c),a>1&&(u.colspan=a);for(const t of i){const{column:e,row:i}=t,o=e===d,s=(i+r+l)%c==0;i>=r+l&&o&&s&&Bp(1,n,t.getPositionBefore(),u)}}if(s<e){const i=e-s,c=[...new Gm(o,{startRow:0,endRow:r})];for(const{cell:e,cellHeight:o,row:s}of c)if(e!==t&&s+o>r){const t=o+i;n.setAttribute("rowspan",t,e)}const l={};a>1&&(l.colspan=a),zp(n,o,r+1,i,1,l);const d=o.getAttribute("headingRows")||0;d>r&&Hm("headingRows",d+i,o,n)}})}getColumns(t){return[...t.getChild(0).getChildren()].reduce((t,e)=>t+parseInt(e.getAttribute("colspan")||1),0)}getRows(t){return t.childCount}}function zp(t,e,n,i,o,r={}){for(let s=0;s<i;s++){const i=t.createElement("tableRow");t.insert(i,e,n),Bp(o,t,t.createPositionAt(i,"end"),r)}}function Bp(t,e,n,i={}){for(let o=0;o<t;o++)Wm(e,n,i)}function Fp(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(t/e);return{newCellsSpan:n,updatedSpan:t-n*e+n}}class Up extends Ad{refresh(){const t=cp(this.editor.model.document.selection);this.isEnabled=fp(t,this.editor.plugins.get(jp))}execute(){const t=this.editor.model,e=this.editor.plugins.get(jp);t.change(n=>{const i=cp(t.document.selection),o=i.shift(),{mergeWidth:r,mergeHeight:s}=function(t,e,n){let i=0,o=0;for(const t of e){const{row:e,column:r}=n.getCellLocation(t);i=qp(t,r,i,"colspan"),o=qp(t,e,o,"rowspan")}const{row:r,column:s}=n.getCellLocation(t);return{mergeWidth:i-s,mergeHeight:o-r}}(o,i,e);Hm("colspan",r,o,n),Hm("rowspan",s,o,n);for(const t of i)Hp(t,o,n);Sp(o.findAncestor("table"),e),n.setSelection(o,"in")})}}function Hp(t,e,n){Wp(t)||(Wp(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end"))),n.remove(t)}function Wp(t){return 1==t.childCount&&t.getChild(0).is("element","paragraph")&&t.getChild(0).isEmpty}function qp(t,e,n,i){const o=parseInt(t.getAttribute(i)||1);return Math.max(n,e+o)}class $p extends Ad{refresh(){const t=dp(this.editor.model.document.selection);this.isEnabled=t.length>0}execute(){const t=this.editor.model,e=dp(t.document.selection),n=up(e),i=e[0].findAncestor("table"),o=[];for(let e=n.first;e<=n.last;e++)for(const n of i.getChild(e).getChildren())o.push(t.createRangeOn(n));t.change(t=>{t.setSelection(o)})}}class Yp extends Ad{refresh(){const t=dp(this.editor.model.document.selection);this.isEnabled=t.length>0}execute(){const t=this.editor.model,e=dp(t.document.selection),n=e[0],i=e.pop(),o=n.findAncestor("table"),r=this.editor.plugins.get("TableUtils"),s=r.getCellLocation(n),a=r.getCellLocation(i),c=Math.min(s.column,a.column),l=Math.max(s.column,a.column),d=[];for(const e of new Gm(o,{startColumn:c,endColumn:l}))d.push(t.createRangeOn(e.cell));t.change(t=>{t.setSelection(d)})}}function Gp(t){t.document.registerPostFixer(e=>function(t,e){const n=e.document.differ.getChanges();let i=!1;const o=new Set;for(const e of n){let n;"table"==e.name&&"insert"==e.type&&(n=e.position.nodeAfter),"tableRow"!=e.name&&"tableCell"!=e.name||(n=e.position.findAncestor("table")),Jp(e)&&(n=e.range.start.findAncestor("table")),n&&!o.has(n)&&(i=Kp(n,t)||i,i=Qp(n,t)||i,o.add(n))}return i}(e,t))}function Kp(t,e){let n=!1;const i=function(t){const e=parseInt(t.getAttribute("headingRows")||0),n=t.childCount,i=[];for(const{row:o,cell:r,cellHeight:s}of new Gm(t)){if(s<2)continue;const t=o<e?e:n;if(o+s>t){const e=t-o;i.push({cell:r,rowspan:e})}}return i}(t);if(i.length){n=!0;for(const t of i)Hm("rowspan",t.rowspan,t.cell,e,1)}return n}function Qp(t,e){let n=!1;const i=function(t){const e=new Array(t.childCount).fill(0);for(const{row:n}of new Gm(t,{includeAllSlots:!0}))e[n]++;return e}(t),o=[];for(const[t,e]of i.entries())e||o.push(t);if(o.length){n=!0;for(const n of o.reverse())e.remove(t.getChild(n)),i.splice(n,1)}const r=i[0];if(!i.every(t=>t===r)){const o=i.reduce((t,e)=>e>t?e:t,0);for(const[r,s]of i.entries()){const i=o-s;if(i){for(let n=0;n<i;n++)Wm(e,e.createPositionAt(t.getChild(r),"end"));n=!0}}}return n}function Jp(t){const e="attribute"===t.type,n=t.attributeKey;return e&&("headingRows"===n||"colspan"===n||"rowspan"===n)}function Zp(t){t.document.registerPostFixer(e=>function(t,e){const n=e.document.differ.getChanges();let i=!1;for(const e of n)"insert"==e.type&&"table"==e.name&&(i=Xp(e.position.nodeAfter,t)||i),"insert"==e.type&&"tableRow"==e.name&&(i=tb(e.position.nodeAfter,t)||i),"insert"==e.type&&"tableCell"==e.name&&(i=eb(e.position.nodeAfter,t)||i),nb(e)&&(i=eb(e.position.parent,t)||i);return i}(e,t))}function Xp(t,e){let n=!1;for(const i of t.getChildren())n=tb(i,e)||n;return n}function tb(t,e){let n=!1;for(const i of t.getChildren())n=eb(i,e)||n;return n}function eb(t,e){if(0==t.childCount)return e.insertElement("paragraph",t),!0;const n=Array.from(t.getChildren()).filter(t=>t.is("$text"));for(const t of n)e.wrap(e.createRangeOn(t),"paragraph");return!!n.length}function nb(t){return!(!t.position||!t.position.parent.is("element","tableCell"))&&("insert"==t.type&&"$text"==t.name||"remove"==t.type)}function ib(t,e){t.document.registerPostFixer(()=>function(t,e){const n=new Set;for(const e of t.getChanges()){const t="attribute"==e.type?e.range.start.parent:e.position.parent;t.is("element","tableCell")&&n.add(t)}for(const i of n.values())for(const n of[...i.getChildren()].filter(t=>ob(t,e)))t.refreshItem(n);return!1}(t.document.differ,e))}function ob(t,e){if(!t.is("element","paragraph"))return!1;const n=e.toViewElement(t);return!!n&&Zm(t)!==n.is("element","span")}function rb(t){t.document.registerPostFixer(()=>function(t){const e=t.document.differ,n=new Set;for(const t of e.getChanges()){if("attribute"!=t.type)continue;const e=t.range.start.nodeAfter;e&&e.is("element","table")&&"headingRows"==t.attributeKey&&n.add(e)}if(n.size){for(const t of n.values())e.refreshItem(t);return!0}return!1}(t))}n(84);class sb extends Hc{static get pluginName(){return"TableEditing"}init(){const t=this.editor,e=t.model,n=e.schema,i=t.conversion;n.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isObject:!0,isBlock:!0}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isLimit:!0,isSelectable:!0}),n.extend("$block",{allowIn:"tableCell"}),n.addChildCheck((t,e)=>{if("table"==e.name&&Array.from(t.getNames()).includes("table"))return!1}),i.for("upcast").add($m()),i.for("editingDowncast").add(Qm({asWidget:!0})),i.for("dataDowncast").add(Qm()),i.for("upcast").elementToElement({model:"tableRow",view:"tr"}),i.for("upcast").add(t=>{t.on("element:tr",(t,e)=>{e.viewItem.isEmpty&&0==e.modelCursor.index&&t.stop()},{priority:"high"})}),i.for("editingDowncast").add(t=>t.on("insert:tableRow",(t,e,n)=>{const i=e.item;if(!n.consumable.consume(i,"insert"))return;const o=i.parent,r=function(t){for(const e of t.getChildren())if("table"===e.name)return e}(n.mapper.toViewElement(o)),s=o.getChildIndex(i),a=new Gm(o,{row:s}),c={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0},l=new Map;for(const t of a){const e=l.get(s)||ep(r,i,s,c,n);l.set(s,e),n.consumable.consume(t.cell,"insert"),tp(t,c,n.writer.createPositionAt(e,"end"),n,{asWidget:!0})}})),i.for("editingDowncast").add(t=>t.on("remove:tableRow",(t,e,n)=>{t.stop();const i=n.writer,o=n.mapper,r=o.toViewPosition(e.position).getLastMatchingPosition(t=>!t.item.is("element","tr")).nodeAfter,s=r.parent.parent,a=i.createRangeOn(r),c=i.remove(a);for(const t of i.createRangeIn(c).getItems())o.unbindViewElement(t);op("thead",s,n),op("tbody",s,n)},{priority:"higher"})),i.for("upcast").elementToElement({model:"tableCell",view:"td"}),i.for("upcast").elementToElement({model:"tableCell",view:"th"}),i.for("editingDowncast").add(t=>t.on("insert:tableCell",(t,e,n)=>{const i=e.item;if(!n.consumable.consume(i,"insert"))return;const o=i.parent,r=o.parent,s=r.getChildIndex(o),a=new Gm(r,{row:s}),c={headingRows:r.getAttribute("headingRows")||0,headingColumns:r.getAttribute("headingColumns")||0};for(const t of a)if(t.cell===i){const e=n.mapper.toViewElement(o);return void tp(t,c,n.writer.createPositionAt(e,o.getChildIndex(i)),n,{asWidget:!0})}})),t.conversion.for("editingDowncast").elementToElement({model:"paragraph",view:Jm,converterPriority:"high"}),i.attributeToAttribute({model:"colspan",view:"colspan"}),i.attributeToAttribute({model:"rowspan",view:"rowspan"}),i.for("editingDowncast").add(t=>t.on("attribute:headingColumns:table",(t,e,n)=>{const i=e.item;if(!n.consumable.consume(e.item,t.name))return;const o={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},r=e.attributeOldValue,s=e.attributeNewValue,a=(r>s?r:s)-1;for(const t of new Gm(i,{endColumn:a}))Xm(t,o,n)})),t.commands.add("insertTable",new ap(t)),t.commands.add("insertTableRowAbove",new wp(t,{order:"above"})),t.commands.add("insertTableRowBelow",new wp(t,{order:"below"})),t.commands.add("insertTableColumnLeft",new kp(t,{order:"left"})),t.commands.add("insertTableColumnRight",new kp(t,{order:"right"})),t.commands.add("removeTableRow",new Rp(t)),t.commands.add("removeTableColumn",new Dp(t)),t.commands.add("splitTableCellVertically",new _p(t,{direction:"vertically"})),t.commands.add("splitTableCellHorizontally",new _p(t,{direction:"horizontally"})),t.commands.add("mergeTableCells",new Up(t)),t.commands.add("mergeTableCellRight",new Np(t,{direction:"right"})),t.commands.add("mergeTableCellLeft",new Np(t,{direction:"left"})),t.commands.add("mergeTableCellDown",new Np(t,{direction:"down"})),t.commands.add("mergeTableCellUp",new Np(t,{direction:"up"})),t.commands.add("setTableColumnHeader",new Vp(t)),t.commands.add("setTableRowHeader",new Lp(t)),t.commands.add("selectTableRow",new $p(t)),t.commands.add("selectTableColumn",new Yp(t)),rb(e),Gp(e),ib(e,t.editing.mapper),Zp(e)}static get requires(){return[jp]}}n(86);class ab extends ul{constructor(t){super(t);const e=this.bindTemplate;this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isToggleable",!1),this.set("isVisible",!0),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.actionView=this._createActionView(),this.arrowView=this._createArrowView(),this.keystrokes=new jc,this.focusTracker=new Tl,this.setTemplate({tag:"div",attributes:{class:["ck","ck-splitbutton",e.if("isVisible","ck-hidden",t=>!t),this.arrowView.bindTemplate.if("isOn","ck-splitbutton_open")]},children:this.children})}render(){super.render(),this.children.add(this.actionView),this.children.add(this.arrowView),this.focusTracker.add(this.actionView.element),this.focusTracker.add(this.arrowView.element),this.keystrokes.listenTo(this.element),this.keystrokes.set("arrowright",(t,e)=>{this.focusTracker.focusedElement===this.actionView.element&&(this.arrowView.focus(),e())}),this.keystrokes.set("arrowleft",(t,e)=>{this.focusTracker.focusedElement===this.arrowView.element&&(this.actionView.focus(),e())})}focus(){this.actionView.focus()}_createActionView(){const t=new Cl;return t.bind("icon","isEnabled","isOn","isToggleable","keystroke","label","tabindex","tooltip","tooltipPosition","type","withText").to(this),t.extendTemplate({attributes:{class:"ck-splitbutton__action"}}),t.delegate("execute").to(this),t}_createArrowView(){const t=new Cl,e=t.bindTemplate;return t.icon=jl,t.extendTemplate({attributes:{class:"ck-splitbutton__arrow","aria-haspopup":!0,"aria-expanded":e.to("isOn",t=>String(t))}}),t.bind("isEnabled").to(this),t.delegate("execute").to(this,"open"),t}}n(88);class cb extends ul{constructor(t){super(t);const e=this.bindTemplate;this.items=this._createGridCollection(),this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",(t,e)=>`${e} × ${t}`),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},on:{"mouseover@.ck-insert-table-dropdown-grid-box":e.to("boxover")},children:this.items},{tag:"div",attributes:{class:["ck-insert-table-dropdown__label"]},children:[{text:e.to("label")}]}],on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(()=>{this.fire("execute")})}}),this.on("boxover",(t,e)=>{const{row:n,column:i}=e.target.dataset;this.set({rows:parseInt(n),columns:parseInt(i)})}),this.on("change:columns",()=>{this._highlightGridBoxes()}),this.on("change:rows",()=>{this._highlightGridBoxes()})}focus(){}focusLast(){}_highlightGridBoxes(){const t=this.rows,e=this.columns;this.items.map((n,i)=>{const o=Math.floor(i/10)<t&&i%10<e;n.set("isOn",o)})}_createGridCollection(){const t=[];for(let e=0;e<100;e++){const n=Math.floor(e/10),i=e%10;t.push(new lb(this.locale,n+1,i+1))}return this.createCollection(t)}}class lb extends ul{constructor(t,e,n){super(t);const i=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",i.if("isOn","ck-on")],"data-row":e,"data-column":n}})}}class db extends Hc{init(){const t=this.editor,e=this.editor.t,n="ltr"===t.locale.contentLanguageDirection;t.ui.componentFactory.add("insertTable",n=>{const i=t.commands.get("insertTable"),o=ql(n);let r;return o.bind("isEnabled").to(i),o.buttonView.set({icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 6v3h4V6H3zm0 4v3h4v-3H3zm0 4v3h4v-3H3zm5 3h4v-3H8v3zm5 0h4v-3h-4v3zm4-4v-3h-4v3h4zm0-4V6h-4v3h4zm1.5 8a1.5 1.5 0 0 1-1.5 1.5H3A1.5 1.5 0 0 1 1.5 17V4c.222-.863 1.068-1.5 2-1.5h13c.932 0 1.778.637 2 1.5v13zM12 13v-3H8v3h4zm0-4V6H8v3h4z"/></svg>',label:e("Insert table"),tooltip:!0}),o.on("change:isOpen",()=>{r||(r=new cb(n),o.panelView.children.add(r),r.delegate("execute").to(o),o.buttonView.on("open",()=>{r.rows=0,r.columns=0}),o.on("execute",()=>{t.execute("insertTable",{rows:r.rows,columns:r.columns}),t.editing.view.focus()}))}),o}),t.ui.componentFactory.add("tableColumn",t=>{const i=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:e("Header column"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:n?"insertTableColumnLeft":"insertTableColumnRight",label:e("Insert column left")}},{type:"button",model:{commandName:n?"insertTableColumnRight":"insertTableColumnLeft",label:e("Insert column right")}},{type:"button",model:{commandName:"removeTableColumn",label:e("Delete column")}},{type:"button",model:{commandName:"selectTableColumn",label:e("Select column")}}];return this._prepareDropdown(e("Column"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M18 7v1H2V7h16zm0 5v1H2v-1h16z" opacity=".6"/><path d="M14 1v18a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1zm-2 1H8v4h4V2zm0 6H8v4h4V8zm0 6H8v4h4v-4z"/></svg>',i,t)}),t.ui.componentFactory.add("tableRow",t=>{const n=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:e("Header row"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowAbove",label:e("Insert row above")}},{type:"button",model:{commandName:"insertTableRowBelow",label:e("Insert row below")}},{type:"button",model:{commandName:"removeTableRow",label:e("Delete row")}},{type:"button",model:{commandName:"selectTableRow",label:e("Select row")}}];return this._prepareDropdown(e("Row"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v16h-1V2z" opacity=".6"/><path d="M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z"/></svg>',n,t)}),t.ui.componentFactory.add("mergeTableCells",t=>{const i=[{type:"button",model:{commandName:"mergeTableCellUp",label:e("Merge cell up")}},{type:"button",model:{commandName:n?"mergeTableCellRight":"mergeTableCellLeft",label:e("Merge cell right")}},{type:"button",model:{commandName:"mergeTableCellDown",label:e("Merge cell down")}},{type:"button",model:{commandName:n?"mergeTableCellLeft":"mergeTableCellRight",label:e("Merge cell left")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:e("Split cell vertically")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:e("Split cell horizontally")}}];return this._prepareMergeSplitButtonDropdown(e("Merge cells"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v7h-1V2zm6 5v1H2V7h16zM8 12v1H2v-1h6z" opacity=".6"/><path d="M7 7h12a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V8a1 1 0 0 1 1-1zm1 2v9h10V9H8z"/></svg>',i,t)})}_prepareDropdown(t,e,n,i){const o=this.editor,r=ql(i),s=this._fillDropdownWithListOptions(r,n);return r.buttonView.set({label:t,icon:e,tooltip:!0}),r.bind("isEnabled").toMany(s,"isEnabled",(...t)=>t.some(t=>t)),this.listenTo(r,"execute",t=>{o.execute(t.source.commandName),o.editing.view.focus()}),r}_prepareMergeSplitButtonDropdown(t,e,n,i){const o=this.editor,r=ql(i,ab);return this._fillDropdownWithListOptions(r,n),r.buttonView.set({label:t,icon:e,tooltip:!0,isEnabled:!0}),this.listenTo(r.buttonView,"execute",()=>{o.execute("mergeTableCells"),o.editing.view.focus()}),this.listenTo(r,"execute",t=>{o.execute(t.source.commandName),o.editing.view.focus()}),r}_fillDropdownWithListOptions(t,e){const n=this.editor,i=[],o=new An;for(const t of e)ub(t,n,i,o);return $l(t,o,n.ui.componentFactory),i}}function ub(t,e,n,i){const o=t.model=new cg(t.model),{commandName:r,bindIsOn:s}=t.model;if("button"===t.type||"switchbutton"===t.type){const t=e.commands.get(r);n.push(t),o.set({commandName:r}),o.bind("isEnabled").to(t),s&&o.bind("isOn").to(t,"value")}o.set({withText:!0}),i.add(t)}n(90);class hb extends Hc{static get pluginName(){return"TableSelection"}static get requires(){return[jp]}init(){const t=this.editor.model;this.listenTo(t,"deleteContent",(t,e)=>this._handleDeleteContent(t,e),{priority:"high"}),this._defineSelectionConverter(),this._enablePluginDisabling()}getSelectedTableCells(){const t=cp(this.editor.model.document.selection);return 0==t.length?null:t}getSelectionAsFragment(){const t=this.getSelectedTableCells();return t?this.editor.model.change(e=>{const n=e.createDocumentFragment(),i=this.editor.plugins.get("TableUtils"),{first:o,last:r}=hp(t),{first:s,last:a}=up(t),c=t[0].findAncestor("table");let l=a,d=r;if(fp(t,i)){const t={firstColumn:o,lastColumn:r,firstRow:s,lastRow:a};l=Mp(c,t),d=Ip(c,t)}const u=vp(c,{startRow:s,startColumn:o,endRow:l,endColumn:d},e);return e.insert(u,n,0),n}):null}setCellSelection(t,e){const n=this._getCellsToSelect(t,e);this.editor.model.change(t=>{t.setSelection(n.cells.map(e=>t.createRangeOn(e)),{backward:n.backward})})}getFocusCell(){const t=[...this.editor.model.document.selection.getRanges()].pop().getContainedElement();return t&&t.is("element","tableCell")?t:null}getAnchorCell(){const t=Mu(this.editor.model.document.selection.getRanges()).getContainedElement();return t&&t.is("element","tableCell")?t:null}_defineSelectionConverter(){const t=this.editor,e=new Set;t.conversion.for("editingDowncast").add(t=>t.on("selection",(t,n,i)=>{const o=i.writer;!function(t){for(const n of e)t.removeClass("ck-editor__editable_selected",n);e.clear()}(o);const r=this.getSelectedTableCells();if(!r)return;for(const t of r){const n=i.mapper.toViewElement(t);o.addClass("ck-editor__editable_selected",n),e.add(n)}const s=i.mapper.toViewElement(r[r.length-1]);o.setSelection(s,0)},{priority:"lowest"}))}_enablePluginDisabling(){const t=this.editor;this.on("change:isEnabled",()=>{if(!this.isEnabled){const e=this.getSelectedTableCells();if(!e)return;t.model.change(n=>{const i=n.createPositionAt(e[0],0),o=t.model.schema.getNearestSelectionRange(i);n.setSelection(o)})}})}_handleDeleteContent(t,e){const[n,i]=e,o=this.editor.model,r=!i||"backward"==i.direction,s=cp(n);s.length&&(t.stop(),o.change(t=>{const e=s[r?s.length-1:0];o.change(t=>{for(const e of s)o.deleteContent(t.createSelection(e,"in"))});const i=o.schema.getNearestSelectionRange(t.createPositionAt(e,0));n.is("documentSelection")?t.setSelection(i):n.setTo(i)}))}_getCellsToSelect(t,e){const 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// CKEditor  - Rock-solid, free WYSIWYG editor with collaborative editing, 200+ features, full documentation and support: https://ckeditor.com/

// CKEditor Balloon
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