From 6a957eff17163441d296e9186e19d99a48d8146f Mon Sep 17 00:00:00 2001 From: zadam Date: Thu, 28 May 2020 23:59:08 +0200 Subject: [PATCH] added autocompletes for labels, relations --- libraries/ckeditor/ckeditor.js | 2 +- libraries/ckeditor/ckeditor.js.map | 2 +- package-lock.json | 151 ++++++++++++++-------- package.json | 4 +- src/public/app/entities/attribute.js | 6 +- src/public/app/services/link.js | 2 +- src/public/app/services/utils.js | 2 +- src/public/app/widgets/note_attributes.js | 100 ++++++++++++-- 8 files changed, 201 insertions(+), 68 deletions(-) diff --git a/libraries/ckeditor/ckeditor.js b/libraries/ckeditor/ckeditor.js index cb888cc27..b23cf56fc 100644 --- a/libraries/ckeditor/ckeditor.js +++ b/libraries/ckeditor/ckeditor.js @@ -2,5 +2,5 @@ * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. 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r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(n,r);t.exports=n.locals||{}},function(t,e){t.exports=".ck-content .image{display:table;clear:both;text-align:center;margin:1em auto}.ck-content .image>img{display:block;margin:0 auto;max-width:100%;min-width:50px}"},function(t,e,o){var i=o(1),n=o(65);"string"==typeof(n=n.__esModule?n.default:n)&&(n=[[t.i,n,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(n,r);t.exports=n.locals||{}},function(t,e){t.exports=".ck-content .image>figcaption{display:table-caption;caption-side:bottom;word-break:break-word;color:#333;background-color:#f7f7f7;padding:.6em;font-size:.75em;outline-offset:-1px}"},function(t,e,o){var i=o(1),n=o(67);"string"==typeof(n=n.__esModule?n.default:n)&&(n=[[t.i,n,""]]);var 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r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(n,r);t.exports=n.locals||{}},function(t,e){t.exports='.ck-image-upload-complete-icon{display:block;position:absolute;top:10px;right:10px;border-radius:50%}.ck-image-upload-complete-icon:after{content:"";position:absolute}:root{--ck-color-image-upload-icon:#fff;--ck-color-image-upload-icon-background:#008a00;--ck-image-upload-icon-size:20px;--ck-image-upload-icon-width:2px}.ck-image-upload-complete-icon{width:var(--ck-image-upload-icon-size);height:var(--ck-image-upload-icon-size);opacity:0;background:var(--ck-color-image-upload-icon-background);animation-name:ck-upload-complete-icon-show,ck-upload-complete-icon-hide;animation-fill-mode:forwards,forwards;animation-duration:.5s,.5s;font-size:var(--ck-image-upload-icon-size);animation-delay:0ms,3s}.ck-image-upload-complete-icon:after{left:25%;top:50%;opacity:0;height:0;width:0;transform:scaleX(-1) rotate(135deg);transform-origin:left 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i=o(1),n=o(81);"string"==typeof(n=n.__esModule?n.default:n)&&(n=[[t.i,n,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(n,r);t.exports=n.locals||{}},function(t,e){t.exports=".ck.ck-link-form{display:flex}.ck.ck-link-form .ck-label{display:none}@media screen and (max-width:600px){.ck.ck-link-form{flex-wrap:wrap}.ck.ck-link-form .ck-labeled-field-view{flex-basis:100%}.ck.ck-link-form .ck-button{flex-basis:50%}}.ck.ck-link-form_layout-vertical{display:block}.ck.ck-link-form{padding:var(--ck-spacing-standard)}.ck.ck-link-form:focus{outline:none}[dir=ltr] .ck.ck-link-form>:not(:first-child),[dir=rtl] .ck.ck-link-form>:not(:last-child){margin-left:var(--ck-spacing-standard)}@media screen and (max-width:600px){.ck.ck-link-form{padding:0;width:calc(0.8*var(--ck-input-text-width))}.ck.ck-link-form .ck-labeled-field-view{margin:var(--ck-spacing-standard) var(--ck-spacing-standard) 0}.ck.ck-link-form .ck-labeled-field-view 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var(--ck-color-base-border);width:50%}[dir=ltr] .ck.ck-link-form_layout-vertical .ck-button{margin-left:0}[dir=ltr] .ck.ck-link-form_layout-vertical .ck-button:first-of-type{border-right:1px solid var(--ck-color-base-border)}[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button{margin-left:0}[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button:last-of-type{border-right:1px solid var(--ck-color-base-border)}.ck.ck-link-form_layout-vertical .ck.ck-list{margin-left:0}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton{border:0;width:100%}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton:hover{background:none}"},function(t,e,o){var i=o(1),n=o(83);"string"==typeof(n=n.__esModule?n.default:n)&&(n=[[t.i,n,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(n,r);t.exports=n.locals||{}},function(t,e){t.exports=".ck.ck-link-actions{display:flex;flex-direction:row;flex-wrap:nowrap}.ck.ck-link-actions 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.ck-button:not(.ck-link-actions__preview){padding:var(--ck-spacing-standard);margin-top:var(--ck-spacing-standard);border-radius:0;border:0;border-top:1px solid var(--ck-color-base-border)}[dir=ltr] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){margin-left:0}[dir=ltr] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview):first-of-type{border-right:1px solid var(--ck-color-base-border)}[dir=rtl] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){margin-left:0}[dir=rtl] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview):last-of-type{border-right:1px solid var(--ck-color-base-border)}}"},function(t,e,o){var i=o(1),n=o(85);"string"==typeof(n=n.__esModule?n.default:n)&&(n=[[t.i,n,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(n,r);t.exports=n.locals||{}},function(t,e){t.exports=':root{--ck-todo-list-checkmark-size:16px}.ck-content .todo-list{list-style:none}.ck-content .todo-list 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transparent;border-bottom:calc(var(--ck-todo-list-checkmark-size)/8) solid transparent;border-right:calc(var(--ck-todo-list-checkmark-size)/8) solid transparent;border-top:0 solid transparent;transform:rotate(45deg)}.ck-content .todo-list .todo-list__label>input[checked]:before{background:#26ab33;border-color:#26ab33}.ck-content .todo-list .todo-list__label>input[checked]:after{border-color:#fff}.ck-content .todo-list .todo-list__label .todo-list__label__description{vertical-align:middle}[dir=rtl] .todo-list .todo-list__label>input{left:0;margin-right:0;right:-25px;margin-left:-15px}.ck-editor__editable .todo-list .todo-list__label>input{cursor:pointer}.ck-editor__editable .todo-list .todo-list__label>input:hover:before{box-shadow:0 0 0 5px rgba(0,0,0,.1)}'},function(t,e,o){var i=o(1),n=o(87);"string"==typeof(n=n.__esModule?n.default:n)&&(n=[[t.i,n,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(n,r);t.exports=n.locals||{}},function(t,e){t.exports=":root{--ck-color-table-focused-cell-background:rgba(158,207,250,0.3)}.ck-widget.table td.ck-editor__nested-editable.ck-editor__nested-editable_focused,.ck-widget.table td.ck-editor__nested-editable:focus,.ck-widget.table th.ck-editor__nested-editable.ck-editor__nested-editable_focused,.ck-widget.table th.ck-editor__nested-editable:focus{background:var(--ck-color-table-focused-cell-background);border-style:none;outline:1px solid var(--ck-color-focus-border);outline-offset:-1px}"},function(t,e,o){var i=o(1),n=o(89);"string"==typeof(n=n.__esModule?n.default:n)&&(n=[[t.i,n,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(n,r);t.exports=n.locals||{}},function(t,e){t.exports=".ck.ck-splitbutton{font-size:inherit}.ck.ck-splitbutton .ck-splitbutton__action:focus{z-index:calc(var(--ck-z-default) + 1)}.ck.ck-splitbutton.ck-splitbutton_open>.ck-button .ck-tooltip{display:none}:root{--ck-color-split-button-hover-background:#ebebeb;--ck-color-split-button-hover-border:#b3b3b3}[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__action{border-top-right-radius:unset;border-bottom-right-radius:unset}[dir=rtl] .ck.ck-splitbutton>.ck-splitbutton__action{border-top-left-radius:unset;border-bottom-left-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow{min-width:unset}[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-radius:0}.ck-rounded-corners [dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow,[dir=ltr] .ck.ck-splitbutton>.ck-splitbutton__arrow.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:unset;border-bottom-left-radius:unset}[dir=rtl] .ck.ck-splitbutton>.ck-splitbutton__arrow{border-top-right-radius:unset;border-bottom-right-radius:unset}.ck.ck-splitbutton>.ck-splitbutton__arrow 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i;if(this.singleCharacters)i=1;else{const e=o===this._boundaryStartParent?this.boundaries.start.offset:0;i=t.offset-e}t.offset-=i;const n=new Bo(o,t.offset,i);return this.position=t,this._formatReturnValue("text",n,e,t,i)}return t=Zi._createBefore(o),this.position=t,this._formatReturnValue("elementStart",o,e,t,1)}_formatReturnValue(t,e,o,i,n){return e instanceof Bo&&(e.offsetInText+e.data.length==e.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?o=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)?o=Zi._createBefore(e.textNode):(i=Zi._createBefore(e.textNode),this.position=i))),{done:!1,value:{type:t,item:e,previousPosition:o,nextPosition:i,length:n}}}}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 Ji);){if(!t.parent)return null;t=t.parent}return t}getShiftedBy(t){const e=Zi._createAt(this),o=e.offset+t;return e.offset=o<0?0:o,e}getLastMatchingPosition(t,e={}){e.startPosition=this;const o=new Xi(e);return o.skip(t),o.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(t){const e=this.getAncestors(),o=t.getAncestors();let i=0;for(;e[i]==o[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():[],o=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset),o.push(t.offset);const i=Vo(e,o);switch(i){case"prefix":return"before";case"extension":return"after";default:return e[i]0?new this(o,i):new this(i,o)}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 en(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function on(t){let e=0;for(const o of t)e++;return e}class nn{constructor(t=null,e,o){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,o)}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 o=!1;for(const i of t._ranges)if(e.isEqual(i)){o=!0;break}if(!o)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=on(this.getRanges());if(e!=on(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let o=!1;for(let i of t.getRanges())if(i=i.getTrimmed(),e.start.isEqual(i.start)&&e.end.isEqual(i.end)){o=!0;break}if(!o)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(t,e,o){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof nn||t instanceof rn)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof tn)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof Zi)this._setRanges([new tn(t)]),this._setFakeOptions(e);else if(t instanceof Mo){const i=!!o&&!!o.backward;let n;if(void 0===e)throw new go.b("view-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",this);n="in"==e?tn._createIn(t):"on"==e?tn._createOn(t):new tn(Zi._createAt(t,e)),this._setRanges([n],i),this._setFakeOptions(o)}else{if(!xo(t))throw new go.b("view-selection-setTo-not-selectable: Cannot set selection to given place.",this);this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new go.b("view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",this);const o=Zi._createAt(t,e);if("same"==o.compareWith(this.focus))return;const i=this.anchor;this._ranges.pop(),"before"==o.compareWith(i)?this._addRange(new tn(o,i),!0):this._addRange(new tn(i,o)),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 tn))throw new go.b("view-selection-add-range-not-range: Selection range set to an object that is not an instance of view.Range",this);this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new go.b("view-selection-range-intersects: Trying to add a range that intersects with another range from selection.",this,{addedRange:t,intersectingRange:e});this._ranges.push(new tn(t.start,t.end))}}Co(nn,po);class rn{constructor(t=null,e,o){this._selection=new nn,this._selection.delegate("change").to(this),this._selection.setTo(t,e,o)}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,o){this._selection.setTo(t,e,o)}_setFocus(t,e){this._selection.setFocus(t,e)}}Co(rn,po);class sn{constructor(t){this.selection=new rn,this.roots=new Ao({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 o of this._postFixers)if(e=o(t),e)break}while(e)}}Co(sn,Wi);class an extends Mi{constructor(t,e,o,i){super(t,e,o,i),this.getFillerOffset=ln,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 go.b("attribute-element-get-elements-with-same-id-no-id: Cannot get elements with the same id for an attribute element without id.",this);return new Set(this._clonesGroup)}is(t,e=null){return e?e===this.name&&("attributeElement"===t||"view:attributeElement"===t||"element"===t||"view:element"===t):"attributeElement"===t||"view:attributeElement"===t||t===this.name||t==="view:"+this.name||"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 ln(){if(cn(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(cn(t)>1)return null;t=t.parent}return!t||cn(t)>1?null:this.childCount}function cn(t){return Array.from(t.getChildren()).filter(t=>!t.is("uiElement")).length}an.DEFAULT_PRIORITY=10;class dn extends Mi{constructor(t,e,o,i){super(t,e,o,i),this.getFillerOffset=hn}is(t,e=null){return e?e===this.name&&("emptyElement"===t||"view:emptyElement"===t||"element"===t||"view:element"===t):"emptyElement"===t||"view:emptyElement"===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 Mo||Array.from(e).length>0))throw new go.b("view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.",[this,e])}}function hn(){return null}const un=navigator.userAgent.toLowerCase();var gn={isMac:function(t){return t.indexOf("macintosh")>-1}(un),isGecko:function(t){return!!t.match(/gecko\/\d+/)}(un),isSafari:function(t){return t.indexOf(" applewebkit/")>-1&&-1===t.indexOf("chrome")}(un),isAndroid:function(t){return t.indexOf("android")>-1}(un),features:{isRegExpUnicodePropertySupported:function(){let t=!1;try{t=0==="ć".search(new RegExp("[\\p{L}]","u"))}catch(t){}return t}()}};const mn={"⌘":"ctrl","⇧":"shift","⌥":"alt"},fn={ctrl:"⌘",shift:"⇧",alt:"⌥"},pn=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 o=String.fromCharCode(e);t[o.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 bn(t){let e;if("string"==typeof t){if(e=pn[t.toLowerCase()],!e)throw new go.b("keyboard-unknown-key: Unknown key name.",null,{key:t})}else e=t.keyCode+(t.altKey?pn.alt:0)+(t.ctrlKey?pn.ctrl:0)+(t.shiftKey?pn.shift:0);return e}function wn(t){return"string"==typeof t&&(t=_n(t)),t.map(t=>"string"==typeof t?bn(t):t).reduce((t,e)=>e+t,0)}function kn(t){return gn.isMac?_n(t).map(t=>fn[t.toLowerCase()]||t).reduce((t,e)=>t.slice(-1)in mn?t+e:t+"+"+e):t}function _n(t){return t.split(/\s*\+\s*/)}class vn extends Mi{constructor(t,e,o,i){super(t,e,o,i),this.getFillerOffset=xn}is(t,e=null){return e?e===this.name&&("uiElement"===t||"view:uiElement"===t||"element"===t||"view:element"===t):"uiElement"===t||"view:uiElement"===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 Mo||Array.from(e).length>0))throw new go.b("view-uielement-cannot-add: Cannot add child nodes to UIElement instance.",this)}render(t){return this.toDomElement(t)}toDomElement(t){const e=t.createElement(this.name);for(const t of this.getAttributeKeys())e.setAttribute(t,this.getAttribute(t));return e}}function yn(t){t.document.on("keydown",(e,o)=>function(t,e,o){if(e.keyCode==pn.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection(),i=1==t.rangeCount&&t.getRangeAt(0).collapsed;if(i||e.shiftKey){const e=t.focusNode,n=t.focusOffset,r=o.domPositionToView(e,n);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=o.viewPositionToDom(a);i?t.collapse(e.parent,e.offset):t.extend(e.parent,e.offset)}}}}(0,o,t.domConverter))}function xn(){return null}class Cn{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 o=0;const i=function(t,e){if("string"==typeof e)return[new No(t,e)];xo(e)||(e=[e]);return Array.from(e).map(e=>"string"==typeof e?new No(t,e):e instanceof Bo?new No(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++,o++;return o}_removeChildren(t,e=1){this._fireChange("children",this);for(let o=t;oi instanceof t))throw new go.b("view-writer-insert-invalid-node",o);i.is("text")||t(i.getChildren(),o)}})(e=xo(e)?[...e]:[e],this.document);const o=Tn(t);if(!o)throw new go.b("view-writer-invalid-position-container",this.document);const i=this._breakAttributes(t,!0),n=o._insertChild(i.offset,e);for(const t of e)this._addToClonedElementsGroup(t);const r=i.getShiftedBy(n),s=this.mergeAttributes(i);if(0===n)return new tn(s,s);{s.isEqual(i)||r.offset--;const t=this.mergeAttributes(r);return new tn(s,t)}}remove(t){const e=t instanceof tn?t:tn._createOn(t);if(On(e,this.document),e.isCollapsed)return new Cn(this.document);const{start:o,end:i}=this._breakAttributesRange(e,!0),n=o.parent,r=i.offset-o.offset,s=n._removeChildren(o.offset,r);for(const t of s)this._removeFromClonedElementsGroup(t);const a=this.mergeAttributes(o);return e.start=a,e.end=a.clone(),new Cn(this.document,s)}clear(t,e){On(t,this.document);const o=t.getWalker({direction:"backward",ignoreElementEnd:!0});for(const i of o){const o=i.item;let n;if(o.is("element")&&e.isSimilar(o))n=tn._createOn(o);else if(!i.nextPosition.isAfter(t.start)&&o.is("textProxy")){const t=o.getAncestors().find(t=>t.is("element")&&e.isSimilar(t));t&&(n=tn._createIn(t))}n&&(n.end.isAfter(t.end)&&(n.end=t.end),n.start.isBefore(t.start)&&(n.start=t.start),this.remove(n))}}move(t,e){let o;if(e.isAfter(t.end)){const i=(e=this._breakAttributes(e,!0)).parent,n=i.childCount;t=this._breakAttributesRange(t,!0),o=this.remove(t),e.offset+=i.childCount-n}else o=this.remove(t);return this.insert(e,o)}wrap(t,e){if(!(e instanceof an))throw new go.b("view-writer-wrap-invalid-attribute",this.document);if(On(t,this.document),t.isCollapsed){let i=t.start;i.parent.is("element")&&(o=i.parent,!Array.from(o.getChildren()).some(t=>!t.is("uiElement")))&&(i=i.getLastMatchingPosition(t=>t.item.is("uiElement"))),i=this._wrapPosition(i,e);const n=this.document.selection;return n.isCollapsed&&n.getFirstPosition().isEqual(t.start)&&this.setSelection(i),new tn(i)}return this._wrapRange(t,e);var o}unwrap(t,e){if(!(e instanceof an))throw new go.b("view-writer-unwrap-invalid-attribute",this.document);if(On(t,this.document),t.isCollapsed)return t;const{start:o,end:i}=this._breakAttributesRange(t,!0),n=o.parent,r=this._unwrapChildren(n,o.offset,i.offset,e),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new tn(s,a)}rename(t,e){const o=new Bi(this.document,t,e.getAttributes());return this.insert(Zi._createAfter(e),o),this.move(tn._createIn(e),Zi._createAt(o,0)),this.remove(tn._createOn(e)),o}clearClonedElementsGroup(t){this._cloneGroups.delete(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 tn(t,e)}createRangeOn(t){return tn._createOn(t)}createRangeIn(t){return tn._createIn(t)}createSelection(t,e,o){return new nn(t,e,o)}_wrapChildren(t,e,o,i){let n=e;const r=[];for(;n!1,t.parent._insertChild(t.offset,o);const i=new tn(t,t.getShiftedBy(1));this.wrap(i,e);const n=new Zi(o.parent,o.index);o._remove();const r=n.nodeBefore,s=n.nodeAfter;return r instanceof No&&s instanceof No?Rn(r,s):Sn(n)}_wrapAttributeElement(t,e){if(!Mn(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const o of t.getAttributeKeys())if("class"!==o&&"style"!==o&&e.hasAttribute(o)&&e.getAttribute(o)!==t.getAttribute(o))return!1;for(const o of t.getStyleNames())if(e.hasStyle(o)&&e.getStyle(o)!==t.getStyle(o))return!1;for(const o of t.getAttributeKeys())"class"!==o&&"style"!==o&&(e.hasAttribute(o)||this.setAttribute(o,t.getAttribute(o),e));for(const o of t.getStyleNames())e.hasStyle(o)||this.setStyle(o,t.getStyle(o),e);for(const o of t.getClassNames())e.hasClass(o)||this.addClass(o,e);return!0}_unwrapAttributeElement(t,e){if(!Mn(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const o of t.getAttributeKeys())if("class"!==o&&"style"!==o&&(!e.hasAttribute(o)||e.getAttribute(o)!==t.getAttribute(o)))return!1;if(!e.hasClass(...t.getClassNames()))return!1;for(const o of t.getStyleNames())if(!e.hasStyle(o)||e.getStyle(o)!==t.getStyle(o))return!1;for(const o of t.getAttributeKeys())"class"!==o&&"style"!==o&&this.removeAttribute(o,e);return this.removeClass(Array.from(t.getClassNames()),e),this.removeStyle(Array.from(t.getStyleNames()),e),!0}_breakAttributesRange(t,e=!1){const o=t.start,i=t.end;if(On(t,this.document),t.isCollapsed){const o=this._breakAttributes(t.start,e);return new tn(o,o)}const n=this._breakAttributes(i,e),r=n.parent.childCount,s=this._breakAttributes(o,e);return n.offset+=n.parent.childCount-r,new tn(s,n)}_breakAttributes(t,e=!1){const o=t.offset,i=t.parent;if(t.parent.is("emptyElement"))throw new go.b("view-writer-cannot-break-empty-element",this.document);if(t.parent.is("uiElement"))throw new go.b("view-writer-cannot-break-ui-element",this.document);if(!e&&i.is("text")&&Vn(i.parent))return t.clone();if(Vn(i))return t.clone();if(i.is("text"))return this._breakAttributes(En(t),e);if(o==i.childCount){const t=new Zi(i.parent,i.index+1);return this._breakAttributes(t,e)}if(0===o){const t=new Zi(i.parent,i.index);return this._breakAttributes(t,e)}{const t=i.index+1,n=i._clone();i.parent._insertChild(t,n),this._addToClonedElementsGroup(n);const r=i.childCount-o,s=i._removeChildren(o,r);n._appendChild(s);const a=new Zi(i.parent,t);return this._breakAttributes(a,e)}}_addToClonedElementsGroup(t){if(!t.root.is("rootElement"))return;if(t.is("element"))for(const e of t.getChildren())this._addToClonedElementsGroup(e);const e=t.id;if(!e)return;let o=this._cloneGroups.get(e);o||(o=new Set,this._cloneGroups.set(e,o)),o.add(t),t._clonesGroup=o}_removeFromClonedElementsGroup(t){if(t.is("element"))for(const e of t.getChildren())this._removeFromClonedElementsGroup(e);const e=t.id;if(!e)return;const o=this._cloneGroups.get(e);o&&o.delete(t)}}function Tn(t){let e=t.parent;for(;!Vn(e);){if(!e)return;e=e.parent}return e}function Pn(t,e){return t.prioritye.priority)&&t.getIdentity()t.createTextNode(" "),zn=t=>{const e=t.createElement("br");return e.dataset.ckeFiller=!0,e},Fn=(()=>{let t="";for(let e=0;e<7;e++)t+="​";return t})();function Dn(t){return Nn(t)&&t.data.substr(0,7)===Fn}function Ln(t){return 7==t.data.length&&Dn(t)}function jn(t){return Dn(t)?t.data.slice(7):t.data}function Hn(t,e){if(e.keyCode==pn.arrowleft){const t=e.domTarget.ownerDocument.defaultView.getSelection();if(1==t.rangeCount&&t.getRangeAt(0).collapsed){const e=t.getRangeAt(0).startContainer,o=t.getRangeAt(0).startOffset;Dn(e)&&o<=7&&t.collapse(e,0)}}}function Wn(t,e,o,i=!1){o=o||function(t,e){return t===e},Array.isArray(t)||(t=Array.prototype.slice.call(t)),Array.isArray(e)||(e=Array.prototype.slice.call(e));const n=function(t,e,o){const i=qn(t,e,o);if(-1===i)return{firstIndex:-1,lastIndexOld:-1,lastIndexNew:-1};const n=Un(t,i),r=Un(e,i),s=qn(n,r,o),a=t.length-s,l=e.length-s;return{firstIndex:i,lastIndexOld:a,lastIndexNew:l}}(t,e,o);return i?function(t,e){const{firstIndex:o,lastIndexOld:i,lastIndexNew:n}=t;if(-1===o)return Array(e).fill("equal");let r=[];o>0&&(r=r.concat(Array(o).fill("equal")));n-o>0&&(r=r.concat(Array(n-o).fill("insert")));i-o>0&&(r=r.concat(Array(i-o).fill("delete")));n0&&o.push({index:i,type:"insert",values:t.slice(i,r)});n-i>0&&o.push({index:i+(r-i),type:"delete",howMany:n-i});return o}(e,n)}function qn(t,e,o){for(let i=0;i200||n>200||i+n>300)return $n.fastDiff(t,e,o,!0);let r,s;if(nc?-1:1;d[i+u]&&(d[i]=d[i+u].slice(0)),d[i]||(d[i]=[]),d[i].push(n>c?r:s);let g=Math.max(n,c),m=g-i;for(;mc;g--)h[g]=u(g);h[c]=u(c),m++}while(h[c]!==l);return d[c].slice(1)}function Gn(t,e,o){t.insertBefore(o,t.childNodes[e]||null)}function Kn(t){const e=t.parentNode;e&&e.removeChild(t)}function Jn(t){if(t){if(t.defaultView)return t instanceof t.defaultView.Document;if(t.ownerDocument&&t.ownerDocument.defaultView)return t instanceof t.ownerDocument.defaultView.Node}return!1}$n.fastDiff=Wn;class Yn{constructor(t,e){this.domDocuments=new Set,this.domConverter=t,this.markedAttributes=new Set,this.markedChildren=new Set,this.markedTexts=new Set,this.selection=e,this.isFocused=!1,this._inlineFiller=null,this._fakeSelectionContainer=null}markToSync(t,e){if("text"===t)this.domConverter.mapViewToDom(e.parent)&&this.markedTexts.add(e);else{if(!this.domConverter.mapViewToDom(e))return;if("attributes"===t)this.markedAttributes.add(e);else{if("children"!==t)throw new go.b("view-renderer-unknown-type: Unknown type passed to Renderer.markToSync.",this);this.markedChildren.add(e)}}}render(){let t;for(const t of this.markedChildren)this._updateChildrenMappings(t);this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?t=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(t=this.selection.getFirstPosition(),this.markedChildren.add(t.parent));for(const t of this.markedAttributes)this._updateAttrs(t);for(const e of this.markedChildren)this._updateChildren(e,{inlineFillerPosition:t});for(const e of this.markedTexts)!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)&&this._updateText(e,{inlineFillerPosition:t});if(t){const e=this.domConverter.viewPositionToDom(t),o=e.parent.ownerDocument;Dn(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=Qn(o,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 o=this.domConverter.mapViewToDom(t).childNodes,i=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:!1})),n=this._diffNodeLists(o,i),r=this._findReplaceActions(n,o,i);if(-1!==r.indexOf("replace")){const e={equal:0,insert:0,delete:0};for(const n of r)if("replace"===n){const n=e.equal+e.insert,r=e.equal+e.delete,s=t.getChild(n);s&&!s.is("uiElement")&&this._updateElementMappings(s,o[r]),Kn(i[n]),e.equal++}else e[n]++}}_updateElementMappings(t,e){this.domConverter.unbindDomElement(e),this.domConverter.bindElements(e,t),this.markedChildren.add(t),this.markedAttributes.add(t)}_getInlineFillerPosition(){const t=this.selection.getFirstPosition();return t.parent.is("text")?Zi._createBefore(this.selection.getFirstPosition().parent):t}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=this.domConverter.viewPositionToDom(t);return!!(e&&Nn(e.parent)&&Dn(e.parent))}_removeInlineFiller(){const t=this._inlineFiller;if(!Dn(t))throw new go.b("view-renderer-filler-was-lost: The inline filler node was lost.",this);Ln(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,o=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(o===e.getFillerOffset())return!1;const i=t.nodeBefore,n=t.nodeAfter;return!(i instanceof No||n instanceof No)}_updateText(t,e){const o=this.domConverter.findCorrespondingDomText(t),i=this.domConverter.viewToDom(t,o.ownerDocument),n=o.data;let r=i.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index&&(r=Fn+r),n!=r){const t=Wn(n,r);for(const e of t)"insert"===e.type?o.insertData(e.index,e.values.join("")):o.deleteData(e.index,e.howMany)}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const o=Array.from(e.attributes).map(t=>t.name),i=t.getAttributeKeys();for(const o of i)e.setAttribute(o,t.getAttribute(o));for(const i of o)t.hasAttribute(i)||e.removeAttribute(i)}_updateChildren(t,e){const o=this.domConverter.mapViewToDom(t);if(!o)return;const i=e.inlineFillerPosition,n=this.domConverter.mapViewToDom(t).childNodes,r=Array.from(this.domConverter.viewChildrenToDom(t,o.ownerDocument,{bind:!0,inlineFillerPosition:i}));i&&i.parent===t&&Qn(o.ownerDocument,r,i.offset);const s=this._diffNodeLists(n,r);let a=0;const l=new Set;for(const t of s)"delete"===t?(l.add(n[a]),Kn(n[a])):"equal"===t&&a++;a=0;for(const t of s)"insert"===t?(Gn(o,a,r[a]),a++):"equal"===t&&(this._markDescendantTextToSync(this.domConverter.domToView(r[a])),a++);for(const t of l)t.parentNode||this.domConverter.unbindDomElement(t)}_diffNodeLists(t,e){return $n(t=function(t,e){const o=Array.from(t);if(0==o.length||!e)return o;o[o.length-1]==e&&o.pop();return o}(t,this._fakeSelectionContainer),e,Zn.bind(null,this.domConverter))}_findReplaceActions(t,e,o){if(-1===t.indexOf("insert")||-1===t.indexOf("delete"))return t;let i=[],n=[],r=[];const s={equal:0,insert:0,delete:0};for(const a of t)"insert"===a?r.push(o[s.equal+s.insert]):"delete"===a?n.push(e[s.equal+s.delete]):(i=i.concat($n(n,r,Xn).map(t=>"equal"===t?"replace":t)),i.push("equal"),n=[],r=[]),s[a]++;return i.concat($n(n,r,Xn).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 o=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(o,this.selection),!this._fakeSelectionNeedsUpdate(t))return;o.parentElement&&o.parentElement==t||t.appendChild(o),o.textContent=this.selection.fakeSelectionLabel||" ";const i=e.getSelection(),n=e.createRange();i.removeAllRanges(),n.selectNodeContents(o),i.addRange(n)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e))return;const o=this.domConverter.viewPositionToDom(this.selection.anchor),i=this.domConverter.viewPositionToDom(this.selection.focus);t.focus(),e.collapse(o.parent,o.offset),e.extend(i.parent,i.offset),gn.isGecko&&function(t,e){const o=t.parent;if(o.nodeType!=Node.ELEMENT_NODE||t.offset!=o.childNodes.length-1)return;const i=o.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,o=t.ownerDocument.getSelection();return!e||e.parentElement!==t||(o.anchorNode!==e&&!e.contains(o.anchorNode)||e.textContent!==this.selection.fakeSelectionLabel)}_removeDomSelection(){for(const t of this.domDocuments){if(t.getSelection().rangeCount){const e=t.activeElement,o=this.domConverter.mapDomToView(e);e&&o&&t.getSelection().removeAllRanges()}}}_removeFakeSelection(){const t=this._fakeSelectionContainer;t&&t.remove()}_updateFocus(){if(this.isFocused){const t=this.selection.editableElement;t&&this.domConverter.focus(t)}}}function Qn(t,e,o){const i=e instanceof Array?e:e.childNodes,n=i[o];if(Nn(n))return n.data=Fn+n.data,n;{const n=t.createTextNode(Fn);return Array.isArray(e)?i.splice(o,0,n):Gn(e,o,n),n}}function Xn(t,e){return Jn(t)&&Jn(e)&&!Nn(t)&&!Nn(e)&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}function Zn(t,e,o){return e===o||(Nn(e)&&Nn(o)?e.data===o.data:!(!t.isBlockFiller(e)||!t.isBlockFiller(o)))}Co(Yn,Wi);var tr={window:window,document:document};function er(t){let e=0;for(;t.previousSibling;)t=t.previousSibling,e++;return e}function or(t){const e=[];for(;t&&t.nodeType!=Node.DOCUMENT_NODE;)e.unshift(t),t=t.parentNode;return e}const ir=zn(document);class nr{constructor(t,e={}){this.document=t,this.blockFillerMode=e.blockFillerMode||"br",this.preElements=["pre"],this.blockElements=["p","div","h1","h2","h3","h4","h5","h6","li","dd","dt","figcaption"],this._blockFiller="br"==this.blockFillerMode?zn:Bn,this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new nn(e))}fakeSelectionToView(t){return this._fakeSelectionMapping.get(t)}bindElements(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}unbindDomElement(t){const e=this._domToViewMapping.get(t);if(e){this._domToViewMapping.delete(t),this._viewToDomMapping.delete(e);for(const e of t.childNodes)this.unbindDomElement(e)}}bindDocumentFragments(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}viewToDom(t,e,o={}){if(t.is("text")){const o=this._processDataFromViewText(t);return e.createTextNode(o)}{if(this.mapViewToDom(t))return this.mapViewToDom(t);let i;if(t.is("documentFragment"))i=e.createDocumentFragment(),o.bind&&this.bindDocumentFragments(i,t);else{if(t.is("uiElement"))return i=t.render(e),o.bind&&this.bindElements(i,t),i;i=t.hasAttribute("xmlns")?e.createElementNS(t.getAttribute("xmlns"),t.name):e.createElement(t.name),o.bind&&this.bindElements(i,t);for(const e of t.getAttributeKeys())i.setAttribute(e,t.getAttribute(e))}if(o.withChildren||void 0===o.withChildren)for(const n of this.viewChildrenToDom(t,e,o))i.appendChild(n);return i}}*viewChildrenToDom(t,e,o={}){const i=t.getFillerOffset&&t.getFillerOffset();let n=0;for(const r of t.getChildren())i===n&&(yield this._blockFiller(e)),yield this.viewToDom(r,e,o),n++;i===n&&(yield this._blockFiller(e))}viewRangeToDom(t){const e=this.viewPositionToDom(t.start),o=this.viewPositionToDom(t.end),i=document.createRange();return i.setStart(e.parent,e.offset),i.setEnd(o.parent,o.offset),i}viewPositionToDom(t){const e=t.parent;if(e.is("text")){const o=this.findCorrespondingDomText(e);if(!o)return null;let i=t.offset;return Dn(o)&&(i+=7),{parent:o,offset:i}}{let o,i,n;if(0===t.offset){if(o=this.mapViewToDom(e),!o)return null;n=o.childNodes[0]}else{const e=t.nodeBefore;if(i=e.is("text")?this.findCorrespondingDomText(e):this.mapViewToDom(t.nodeBefore),!i)return null;o=i.parentNode,n=i.nextSibling}if(Nn(n)&&Dn(n))return{parent:n,offset:7};return{parent:o,offset:i?er(i)+1:0}}}domToView(t,e={}){if(this.isBlockFiller(t,this.blockFillerMode))return null;const o=this.getParentUIElement(t,this._domToViewMapping);if(o)return o;if(Nn(t)){if(Ln(t))return null;{const e=this._processDataFromDomText(t);return""===e?null:new No(this.document,e)}}if(this.isComment(t))return null;{if(this.mapDomToView(t))return this.mapDomToView(t);let o;if(this.isDocumentFragment(t))o=new Cn(this.document),e.bind&&this.bindDocumentFragments(t,o);else{const i=e.keepOriginalCase?t.tagName:t.tagName.toLowerCase();o=new Mi(this.document,i),e.bind&&this.bindElements(t,o);const n=t.attributes;for(let t=n.length-1;t>=0;t--)o._setAttribute(n[t].name,n[t].value)}if(e.withChildren||void 0===e.withChildren)for(const i of this.domChildrenToView(t,e))o._appendChild(i);return o}}*domChildrenToView(t,e={}){for(let o=0;o{const{scrollLeft:e,scrollTop:o}=t;i.push([e,o])}),e.focus(),sr(e,t=>{const[e,o]=i.shift();t.scrollLeft=e,t.scrollTop=o}),tr.window.scrollTo(t,o)}}isElement(t){return t&&t.nodeType==Node.ELEMENT_NODE}isDocumentFragment(t){return t&&t.nodeType==Node.DOCUMENT_FRAGMENT_NODE}isComment(t){return t&&t.nodeType==Node.COMMENT_NODE}isBlockFiller(t){return"br"==this.blockFillerMode?t.isEqualNode(ir):!("BR"!==t.tagName||!ar(t,this.blockElements)||1!==t.parentNode.childNodes.length)||function(t,e){return Nn(t)&&" "==t.data&&ar(t,e)&&1===t.parentNode.childNodes.length}(t,this.blockElements)}isDomSelectionBackward(t){if(t.isCollapsed)return!1;const e=document.createRange();e.setStart(t.anchorNode,t.anchorOffset),e.setEnd(t.focusNode,t.focusOffset);const o=e.collapsed;return e.detach(),o}getParentUIElement(t){const e=or(t);for(e.pop();e.length;){const t=e.pop(),o=this._domToViewMapping.get(t);if(o&&o.is("uiElement"))return o}return null}isDomSelectionCorrect(t){return this._isDomSelectionPositionCorrect(t.anchorNode,t.anchorOffset)&&this._isDomSelectionPositionCorrect(t.focusNode,t.focusOffset)}_isDomSelectionPositionCorrect(t,e){if(Nn(t)&&Dn(t)&&e<7)return!1;if(this.isElement(t)&&Dn(t.childNodes[e]))return!1;const o=this.mapDomToView(t);return!o||!o.is("uiElement")}_processDataFromViewText(t){let e=t.data;if(t.getAncestors().some(t=>this.preElements.includes(t.name)))return e;if(" "==e.charAt(0)){const o=this._getTouchingViewTextNode(t,!1);!(o&&this._nodeEndsWithSpace(o))&&o||(e=" "+e.substr(1))}if(" "==e.charAt(e.length-1)){const o=this._getTouchingViewTextNode(t,!0);" "!=e.charAt(e.length-2)&&o&&" "!=o.data.charAt(0)||(e=e.substr(0,e.length-1)+" ")}return e.replace(/ {2}/g,"  ")}_nodeEndsWithSpace(t){if(t.getAncestors().some(t=>this.preElements.includes(t.name)))return!1;const e=this._processDataFromViewText(t);return" "==e.charAt(e.length-1)}_processDataFromDomText(t){let e=t.data;if(rr(t,this.preElements))return jn(t);e=e.replace(/[ \n\t\r]{1,}/g," ");const o=this._getTouchingInlineDomNode(t,!1),i=this._getTouchingInlineDomNode(t,!0),n=this._checkShouldLeftTrimDomText(o),r=this._checkShouldRightTrimDomText(t,i);return n&&(e=e.replace(/^ /,"")),r&&(e=e.replace(/ $/,"")),e=jn(new Text(e)),e=e.replace(/ \u00A0/g," "),(/( |\u00A0)\u00A0$/.test(e)||!i||i.data&&" "==i.data.charAt(0))&&(e=e.replace(/\u00A0$/," ")),n&&(e=e.replace(/^\u00A0/," ")),e}_checkShouldLeftTrimDomText(t){return!t||(!!io(t)||/[^\S\u00A0]/.test(t.data.charAt(t.data.length-1)))}_checkShouldRightTrimDomText(t,e){return!e&&!Dn(t)}_getTouchingViewTextNode(t,e){const o=new Xi({startPosition:e?Zi._createAfter(t):Zi._createBefore(t),direction:e?"forward":"backward"});for(const t of o){if(t.item.is("containerElement"))return null;if(t.item.is("br"))return null;if(t.item.is("textProxy"))return t.item}return null}_getTouchingInlineDomNode(t,e){if(!t.parentNode)return null;const o=e?"nextNode":"previousNode",i=t.ownerDocument,n=or(t)[0],r=i.createTreeWalker(n,NodeFilter.SHOW_TEXT|NodeFilter.SHOW_ELEMENT,{acceptNode:t=>Nn(t)||"BR"==t.tagName?NodeFilter.FILTER_ACCEPT:NodeFilter.FILTER_SKIP});r.currentNode=t;const s=r[o]();if(null!==s){const e=function(t,e){const o=or(t),i=or(e);let n=0;for(;o[n]==i[n]&&o[n];)n++;return 0===n?null:o[n-1]}(t,s);if(e&&!rr(t,this.blockElements,e)&&!rr(s,this.blockElements,e))return s}return null}}function rr(t,e,o){let i=or(t);return o&&(i=i.slice(i.indexOf(o)+1)),i.some(t=>t.tagName&&e.includes(t.tagName.toLowerCase()))}function sr(t,e){for(;t&&t!=tr.document;)e(t),t=t.parentNode}function ar(t,e){const o=t.parentNode;return o&&o.tagName&&e.includes(o.tagName.toLowerCase())}function lr(t){const e=Object.prototype.toString.apply(t);return"[object Window]"==e||"[object global]"==e}var cr=Fi({},po,{listenTo(t,...e){if(Jn(t)||lr(t)){const o=this._getProxyEmitter(t)||new dr(t);o.attach(...e),t=o}po.listenTo.call(this,t,...e)},stopListening(t,e,o){if(Jn(t)||lr(t)){const e=this._getProxyEmitter(t);if(!e)return;t=e}po.stopListening.call(this,t,e,o),t instanceof dr&&t.detach(e)},_getProxyEmitter(t){return e=this,o=hr(t),e[mo]&&e[mo][o]?e[mo][o].emitter:null;var e,o}});class dr{constructor(t){bo(this,hr(t)),this._domNode=t}}function hr(t){return t["data-ck-expando"]||(t["data-ck-expando"]=ho())}Fi(dr.prototype,po,{attach(t,e,o={}){if(this._domListeners&&this._domListeners[t])return;const i=this._createDomListener(t,!!o.useCapture);this._domNode.addEventListener(t,i,!!o.useCapture),this._domListeners||(this._domListeners={}),this._domListeners[t]=i},detach(t){let e;!this._domListeners[t]||(e=this._events[t])&&e.callbacks.length||this._domListeners[t].removeListener()},_createDomListener(t,e){const o=e=>{this.fire(t,e)};return o.removeListener=()=>{this._domNode.removeEventListener(t,o,e),delete this._domListeners[t]},o}});class ur{constructor(t){this.view=t,this.document=t.document,this.isEnabled=!1}enable(){this.isEnabled=!0}disable(){this.isEnabled=!1}destroy(){this.disable(),this.stopListening()}}Co(ur,cr);var gr=function(t){return this.__data__.set(t,"__lodash_hash_undefined__"),this};var mr=function(t){return this.__data__.has(t)};function fr(t){var e=-1,o=null==t?0:t.length;for(this.__data__=new _t;++ea))return!1;var c=r.get(t);if(c&&r.get(e))return c==e;var d=-1,h=!0,u=2&o?new pr:void 0;for(r.set(t,e),r.set(e,t);++d{this.listenTo(t,e,(t,e)=>{this.isEnabled&&this.onDomEvent(e)},{useCapture:this.useCapture})})}fire(t,e,o){this.isEnabled&&this.document.fire(t,new Vr(this.view,e,o))}}class Mr extends Or{constructor(t){super(t),this.domEventType=["keydown","keyup"]}onDomEvent(t){this.fire(t.type,t,{keyCode:t.keyCode,altKey:t.altKey,ctrlKey:t.ctrlKey||t.metaKey,shiftKey:t.shiftKey,get keystroke(){return bn(this)}})}}var Nr=function(){return i.a.Date.now()},Br=/^\s+|\s+$/g,zr=/^[-+]0x[0-9a-f]+$/i,Fr=/^0b[01]+$/i,Dr=/^0o[0-7]+$/i,Lr=parseInt;var jr=function(t){if("number"==typeof t)return t;if(Lo(t))return NaN;if(z(t)){var e="function"==typeof t.valueOf?t.valueOf():t;t=z(e)?e+"":e}if("string"!=typeof t)return 0===t?t:+t;t=t.replace(Br,"");var o=Fr.test(t);return o||Dr.test(t)?Lr(t.slice(2),o?2:8):zr.test(t)?NaN:+t},Hr=Math.max,Wr=Math.min;var qr=function(t,e,o){var i,n,r,s,a,l,c=0,d=!1,h=!1,u=!0;if("function"!=typeof t)throw new TypeError("Expected a function");function g(e){var o=i,r=n;return i=n=void 0,c=e,s=t.apply(r,o)}function m(t){return c=t,a=setTimeout(p,e),d?g(t):s}function f(t){var o=t-l;return void 0===l||o>=e||o<0||h&&t-c>=r}function p(){var t=Nr();if(f(t))return b(t);a=setTimeout(p,function(t){var o=e-(t-l);return h?Wr(o,r-(t-c)):o}(t))}function b(t){return a=void 0,u&&i?g(t):(i=n=void 0,s)}function w(){var t=Nr(),o=f(t);if(i=arguments,n=this,l=t,o){if(void 0===a)return m(l);if(h)return clearTimeout(a),a=setTimeout(p,e),g(l)}return void 0===a&&(a=setTimeout(p,e)),s}return e=jr(e)||0,z(o)&&(d=!!o.leading,r=(h="maxWait"in o)?Hr(jr(o.maxWait)||0,e):r,u="trailing"in o?!!o.trailing:u),w.cancel=function(){void 0!==a&&clearTimeout(a),c=0,i=l=n=a=void 0},w.flush=function(){return void 0===a?s:b(Nr())},w};class Ur extends ur{constructor(t){super(t),this._fireSelectionChangeDoneDebounced=qr(t=>this.document.fire("selectionChangeDone",t),200)}observe(){const t=this.document;t.on("keydown",(e,o)=>{var i;t.selection.isFake&&((i=o.keyCode)==pn.arrowright||i==pn.arrowleft||i==pn.arrowup||i==pn.arrowdown)&&this.isEnabled&&(o.preventDefault(),this._handleSelectionMove(o.keyCode))},{priority:"lowest"})}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(t){const e=this.document.selection,o=new nn(e.getRanges(),{backward:e.isBackward,fake:!1});t!=pn.arrowleft&&t!=pn.arrowup||o.setTo(o.getFirstPosition()),t!=pn.arrowright&&t!=pn.arrowdown||o.setTo(o.getLastPosition());const i={oldSelection:e,newSelection:o,domSelection:null};this.document.fire("selectionChange",i),this._fireSelectionChangeDoneDebounced(i)}}class $r extends ur{constructor(t){super(t),this.mutationObserver=t.getObserver(Ir),this.selection=this.document.selection,this.domConverter=t.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=qr(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",()=>{this._handleSelectionChange(e)}),this._documents.add(e))}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(t){if(!this.isEnabled)return;this.mutationObserver.flush();const e=t.defaultView.getSelection(),o=this.domConverter.domSelectionToView(e);if(0!=o.rangeCount){if(this.view.hasDomSelection=!0,!(this.selection.isEqual(o)&&this.domConverter.isDomSelectionCorrect(e)||++this._loopbackCounter>60))if(this.selection.isSimilar(o))this.view.forceRender();else{const t={oldSelection:this.selection,newSelection:o,domSelection:e};this.document.fire("selectionChange",t),this._fireSelectionChangeDoneDebounced(t)}}else this.view.hasDomSelection=!1}_clearInfiniteLoop(){this._loopbackCounter=0}}class Gr extends Or{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",(o,i)=>{const n=e.selection.editableElement;null!==n&&n!==i.target||(e.isFocused=!1,t.forceRender())})}onDomEvent(t){this.fire(t.type,t)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class Kr extends Or{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 Jr extends Or{constructor(t){super(t),this.domEventType=["beforeinput"]}onDomEvent(t){this.fire(t.type,t)}}function Yr(t){return"[object Range]"==Object.prototype.toString.apply(t)}function Qr(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 Xr=["top","right","bottom","left","width","height"];class Zr{constructor(t){const e=Yr(t);if(Object.defineProperty(this,"_source",{value:t._source||t,writable:!0,enumerable:!1}),io(t)||e)ts(this,e?Zr.getDomRangeRects(t)[0]:t.getBoundingClientRect());else if(lr(t)){const{innerWidth:e,innerHeight:o}=t;ts(this,{top:0,right:e,bottom:o,left:0,width:e,height:o})}else ts(this,t)}clone(){return new Zr(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 Zr(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(!es(t)){let o=t.parentNode||t.commonAncestorContainer;for(;o&&!es(o);){const t=new Zr(o),i=e.getIntersection(t);if(!i)return null;i.getArea()hs(t,i));const s=hs(t,i);if(is(i,s,e),i.parent!=i){if(n=i.frameElement,i=i.parent,!n)return}else i=null}}function is(t,e,o){const i=e.clone().moveBy(0,o),n=e.clone().moveBy(0,-o),r=new Zr(t).excludeScrollbarsAndBorders();if(![n,i].every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;ss(n,r)?a-=r.top-e.top+o:rs(i,r)&&(a+=e.bottom-r.bottom+o),as(e,r)?s-=r.left-e.left+o:ls(e,r)&&(s+=e.right-r.right+o),t.scrollTo(s,a)}}function ns(t,e){const o=cs(t);let i,n;for(;t!=o.document.body;)n=e(),i=new Zr(t).excludeScrollbarsAndBorders(),i.contains(n)||(ss(n,i)?t.scrollTop-=i.top-n.top:rs(n,i)&&(t.scrollTop+=n.bottom-i.bottom),as(n,i)?t.scrollLeft-=i.left-n.left:ls(n,i)&&(t.scrollLeft+=n.right-i.right)),t=t.parentNode}function rs(t,e){return t.bottom>e.bottom}function ss(t,e){return t.tope.right}function cs(t){return Yr(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function ds(t){if(Yr(t)){let e=t.commonAncestorContainer;return Nn(e)&&(e=e.parentNode),e}return t.parentNode}function hs(t,e){const o=cs(t),i=new Zr(t);if(o===e)return i;{let t=o;for(;t!=e;){const e=t.frameElement,o=new Zr(e).excludeScrollbarsAndBorders();i.moveBy(o.left,o.top),t=t.parent}}return i}Object.assign({},{scrollViewportToShowTarget:os,scrollAncestorsToShowTarget:function(t){ns(ds(t),()=>new Zr(t))}});class us{constructor(t){this.document=new sn(t),this.domConverter=new nr(this.document),this.domRoots=new Map,this.set("isRenderingInProgress",!1),this.set("hasDomSelection",!1),this._renderer=new Yn(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 An(this.document),this.addObserver(Ir),this.addObserver($r),this.addObserver(Gr),this.addObserver(Mr),this.addObserver(Ur),this.addObserver(Kr),gn.isAndroid&&this.addObserver(Jr),this.document.on("keydown",Hn),yn(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 o=this.document.getRoot(e);o._name=t.tagName.toLowerCase();const i={};for(const{name:e,value:n}of Array.from(t.attributes))i[e]=n,"class"===e?this._writer.addClass(n.split(" "),o):this._writer.setAttribute(e,n,o);this._initialDomRootAttributes.set(t,i);const n=()=>{this._writer.setAttribute("contenteditable",!o.isReadOnly,o),o.isReadOnly?this._writer.addClass("ck-read-only",o):this._writer.removeClass("ck-read-only",o)};n(),this.domRoots.set(e,t),this.domConverter.bindElements(t,o),this._renderer.markToSync("children",o),this._renderer.markToSync("attributes",o),this._renderer.domDocuments.add(t.ownerDocument),o.on("change:children",(t,e)=>this._renderer.markToSync("children",e)),o.on("change:attributes",(t,e)=>this._renderer.markToSync("attributes",e)),o.on("change:text",(t,e)=>this._renderer.markToSync("text",e)),o.on("change:isReadOnly",()=>this.change(n)),o.on("change",()=>{this._hasChangedSinceTheLastRendering=!0});for(const o of this._observers.values())o.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach(({name:t})=>e.removeAttribute(t));const o=this._initialDomRootAttributes.get(e);for(const t in o)e.setAttribute(t,o[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,o]of this.domRoots)e.observe(o,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&&os({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 go.b("cannot-change-view-tree: Attempting to make changes to the view when it is in an incorrect state: rendering or post-fixers are in progress. This may cause some unexpected behavior and inconsistency between the DOM and the view.",this);try{if(this._ongoingChange)return t(this._writer);this._ongoingChange=!0;const e=t(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),e}catch(t){go.b.rethrowUnexpectedError(t,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change(()=>{})}destroy(){for(const t of this._observers.values())t.destroy();this.document.destroy(),this.stopListening()}createPositionAt(t,e){return Zi._createAt(t,e)}createPositionAfter(t){return Zi._createAfter(t)}createPositionBefore(t){return Zi._createBefore(t)}createRange(t,e){return new tn(t,e)}createRangeOn(t){return tn._createOn(t)}createRangeIn(t){return tn._createIn(t)}createSelection(t,e,o){return new nn(t,e,o)}_disableRendering(t){this._renderingDisabled=t,0==t&&this.change(()=>{})}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}Co(us,Wi);class gs{constructor(t){this.parent=null,this._attrs=zo(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new go.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new go.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}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 o=t.includeSelf?this:this.parent;for(;o;)e[t.parentFirst?"push":"unshift"](o),o=o.parent;return e}getCommonAncestor(t,e={}){const o=this.getAncestors(e),i=t.getAncestors(e);let n=0;for(;o[n]==i[n]&&o[n];)n++;return 0===n?null:o[n-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),o=t.getPath(),i=Vo(e,o);switch(i){case"prefix":return!0;case"extension":return!1;default:return e[i](t[e[0]]=e[1],t),{})),t}is(t){return"node"===t||"model:node"===t}_clone(){return new gs(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=zo(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class ms extends gs{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||"node"===t||"model:node"===t}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new ms(this.data,this.getAttributes())}static fromJSON(t){return new ms(t.data,t.attributes)}}class fs{constructor(t,e,o){if(this.textNode=t,e<0||e>t.offsetSize)throw new go.b("model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.",this);if(o<0||e+o>t.offsetSize)throw new go.b("model-textproxy-wrong-length: Given length value is incorrect.",this);this.data=t.data.substring(e,e+o),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}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 o=t.includeSelf?this:this.parent;for(;o;)e[t.parentFirst?"push":"unshift"](o),o=o.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 ps{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 go.b("model-nodelist-index-out-of-bounds: Given index cannot be found in the node list.",this);return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const o of this._nodes){if(t>=e&&tt.toJSON())}}class bs extends gs{constructor(t,e,o){super(e),this.name=t,this._children=new ps,o&&this._insertChild(0,o)}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||t===this.name||t==="model:"+this.name||"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 o of t)e=e.getChild(e.offsetToIndex(o));return e}toJSON(){const t=super.toJSON();if(t.name=this.name,this._children.length>0){t.children=[];for(const e of this._children)t.children.push(e.toJSON())}return t}_clone(t=!1){const e=t?Array.from(this._children).map(t=>t._clone(!0)):null;return new bs(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const o=function(t){if("string"==typeof t)return[new ms(t)];xo(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new ms(t):t instanceof fs?new ms(t.data,t.getAttributes()):t)}(e);for(const t of o)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,o)}_removeChildren(t,e=1){const o=this._children._removeNodes(t,e);for(const t of o)t.parent=null;return o}static fromJSON(t){let e=null;if(t.children){e=[];for(const o of t.children)o.name?e.push(bs.fromJSON(o)):e.push(ms.fromJSON(o))}return new bs(t.name,t.attributes,e)}}class ws{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new go.b("model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new go.b("model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",t,{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=_s._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,o,i,n;do{i=this.position,n=this._visitedParent,({done:e,value:o}=this.next())}while(!e&&t(o));e||(this.position=i,this._visitedParent=n)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),o=this._visitedParent;if(null===o.parent&&e.offset===o.maxOffset)return{done:!0};if(o===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const i=e.parent,n=vs(e,i),r=n||ys(e,i,n);if(r instanceof bs)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=r),this.position=e,ks("elementStart",r,t,e,1);if(r instanceof ms){let i;if(this.singleCharacters)i=1;else{let t=r.endOffset;this._boundaryEndParent==o&&this.boundaries.end.offsett&&(t=this.boundaries.start.offset),i=e.offset-t}const n=e.offset-r.startOffset,s=new fs(r,n-i,i);return e.offset-=i,this.position=e,ks("text",s,t,e,i)}return e.path.pop(),this.position=e,this._visitedParent=o.parent,ks("elementStart",o,t,e,1)}}function ks(t,e,o,i,n){return{done:!1,value:{type:t,item:e,previousPosition:o,nextPosition:i,length:n}}}class _s{constructor(t,e,o="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new go.b("model-position-root-invalid: Position root invalid.",t);if(!(e instanceof Array)||0===e.length)throw new go.b("model-position-path-incorrect-format: Position path must be an array with at least one item.",t,{path:e});t.is("rootElement")?e=e.slice():(e=[...t.getPath(),...e],t=t.root),this.root=t,this.path=e,this.stickiness=o}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;eo.path.length){if(e.offset!==i.maxOffset)return!1;e.path=e.path.slice(0,-1),i=i.parent,e.offset++}else{if(0!==o.offset)return!1;o.path=o.path.slice(0,-1)}}}is(t){return"position"===t||"model:position"===t}hasSameParentAs(t){if(this.root!==t.root)return!1;return"same"==Vo(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=_s._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 o;return e.containsPosition(this)||e.start.isEqual(this)?(o=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(o=o._getTransformedByDeletion(t.deletionPosition,1))):o=this.isEqual(t.deletionPosition)?_s._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),o}_getTransformedByDeletion(t,e){const o=_s._createAt(this);if(this.root!=t.root)return o;if("same"==Vo(t.getParentPath(),this.getParentPath())){if(t.offsetthis.offset)return null;o.offset-=e}}else if("prefix"==Vo(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;o.path[i]-=e}}return o}_getTransformedByInsertion(t,e){const o=_s._createAt(this);if(this.root!=t.root)return o;if("same"==Vo(t.getParentPath(),this.getParentPath()))(t.offsete+1;){const e=i.maxOffset-o.offset;0!==e&&t.push(new Cs(o,o.getShiftedBy(e))),o.path=o.path.slice(0,-1),o.offset++,i=i.parent}for(;o.path.length<=this.end.path.length;){const e=this.end.path[o.path.length-1],i=e-o.offset;0!==i&&t.push(new Cs(o,o.getShiftedBy(i))),o.offset=e,o.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new ws(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new ws(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new ws(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 Cs(this.start,this.end)]}getTransformedByOperations(t){const e=[new Cs(this.start,this.end)];for(const o of t)for(let t=0;t0?new this(o,i):new this(i,o)}static _createIn(t){return new this(_s._createAt(t,0),_s._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(_s._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new go.b("range-create-from-ranges-empty-array: At least one range has to be passed.",null);if(1==t.length)return t[0].clone();const e=t[0];t.sort((t,e)=>t.start.isAfter(e.start)?1:-1);const o=t.indexOf(e),i=new this(e.start,e.end);if(o>0)for(let e=o-1;t[e].end.isEqual(i.start);e++)i.start=_s._createAt(t[e].start);for(let e=o+1;e{if(e.viewPosition)return;const o=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this._findPositionIn(o,e.modelPosition.offset)},{priority:"low"}),this.on("viewToModelPosition",(t,e)=>{if(e.modelPosition)return;const o=this.findMappedViewAncestor(e.viewPosition),i=this._viewToModelMapping.get(o),n=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,o);e.modelPosition=_s._createAt(i,n)},{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 o=this._markerNameToElements.get(e)||new Set;o.add(t);const i=this._elementToMarkerNames.get(t)||new Set;i.add(e),this._markerNameToElements.set(e,o),this._elementToMarkerNames.set(t,i)}unbindElementFromMarkerName(t,e){const o=this._markerNameToElements.get(e);o&&(o.delete(t),0==o.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 Cs(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new tn(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 o={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",o),o.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const o=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())o.add(e);else o.add(t);return o}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,o){if(o!=t){return this._toModelOffset(t.parent,t.index,o)+this._toModelOffset(t,e,t)}if(t.is("text"))return e;let i=0;for(let o=0;o1?e[0]+":"+e[1]:e[0]}class Ss{constructor(t){this.conversionApi=Fi({dispatcher:this},t)}convertChanges(t,e,o){for(const e of t.getMarkersToRemove())this.convertMarkerRemove(e.name,e.range,o);for(const e of t.getChanges())"insert"==e.type?this.convertInsert(Cs._createFromPositionAndShift(e.position,e.length),o):"remove"==e.type?this.convertRemove(e.position,e.length,e.name,o):this.convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,o);for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const i=e.get(t).getRange();this.convertMarkerRemove(t,i,o),this.convertMarkerAdd(t,i,o)}for(const e of t.getMarkersToAdd())this.convertMarkerAdd(e.name,e.range,o)}convertInsert(t,e){this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of t){const t=e.item,o={item:t,range:Cs._createFromPositionAndShift(e.previousPosition,e.length)};this._testAndFire("insert",o);for(const e of t.getAttributeKeys())o.attributeKey=e,o.attributeOldValue=null,o.attributeNewValue=t.getAttribute(e),this._testAndFire("attribute:"+e,o)}this._clearConversionApi()}convertRemove(t,e,o,i){this.conversionApi.writer=i,this.fire("remove:"+o,{position:t,length:e},this.conversionApi),this._clearConversionApi()}convertAttribute(t,e,o,i,n){this.conversionApi.writer=n,this.conversionApi.consumable=this._createConsumableForRange(t,"attribute:"+e);for(const n of t){const t={item:n.item,range:Cs._createFromPositionAndShift(n.previousPosition,n.length),attributeKey:e,attributeOldValue:o,attributeNewValue:i};this._testAndFire("attribute:"+e,t)}this._clearConversionApi()}convertSelection(t,e,o){const i=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=o,this.conversionApi.consumable=this._createSelectionConsumable(t,i),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of i){const o=e.getRange();if(!Es(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const i={item:t,markerName:e.name,markerRange:o};this.conversionApi.consumable.test(t,"addMarker:"+e.name)&&this.fire("addMarker:"+e.name,i,this.conversionApi)}for(const e of t.getAttributeKeys()){const o={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};this.conversionApi.consumable.test(t,"attribute:"+o.attributeKey)&&this.fire("attribute:"+o.attributeKey+":$text",o,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,o){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=o;const i="addMarker:"+t,n=new Ts;if(n.add(e,i),this.conversionApi.consumable=n,this.fire(i,{markerName:t,markerRange:e},this.conversionApi),n.test(e,i)){this.conversionApi.consumable=this._createConsumableForRange(e,i);for(const o of e.getItems()){if(!this.conversionApi.consumable.test(o,i))continue;const n={item:o,range:Cs._createOn(o),markerName:t,markerRange:e};this.fire(i,n,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,o){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=o,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_createInsertConsumable(t){const e=new Ts;for(const o of t){const t=o.item;e.add(t,"insert");for(const o of t.getAttributeKeys())e.add(t,"attribute:"+o)}return e}_createConsumableForRange(t,e){const o=new Ts;for(const i of t.getItems())o.add(i,e);return o}_createSelectionConsumable(t,e){const o=new Ts;o.add(t,"selection");for(const i of e)o.add(t,"addMarker:"+i.name);for(const e of t.getAttributeKeys())o.add(t,"attribute:"+e);return o}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t))return;const o=e.item.name||"$text";this.fire(t+":"+o,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}}function Es(t,e,o){const i=e.getRange(),n=Array.from(t.getAncestors());n.shift(),n.reverse();return!n.some(t=>{if(i.containsItem(t)){return!!o.toViewElement(t).getCustomProperty("addHighlight")}})}Co(Ss,po);class Rs{constructor(t,e,o){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,o)}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 o=!1;for(const i of t._ranges)if(e.isEqual(i)){o=!0;break}if(!o)return!1}return!0}*getRanges(){for(const t of this._ranges)yield new Cs(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 Cs(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 Cs(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,o){if(null===t)this._setRanges([]);else if(t instanceof Rs)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof Cs)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof _s)this._setRanges([new Cs(t)]);else if(t instanceof gs){const i=!!o&&!!o.backward;let n;if("in"==e)n=Cs._createIn(t);else if("on"==e)n=Cs._createOn(t);else{if(void 0===e)throw new go.b("model-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",[this,t]);n=new Cs(_s._createAt(t,e))}this._setRanges([n],i)}else{if(!xo(t))throw new go.b("model-selection-setTo-not-selectable: Cannot set the selection to the given place.",[this,t]);this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const o=(t=Array.from(t)).some(e=>{if(!(e instanceof Cs))throw new go.b("model-selection-set-ranges-not-range: Selection range set to an object that is not an instance of model.Range.",[this,t]);return this._ranges.every(t=>!t.isEqual(e))});if(t.length!==this._ranges.length||o){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 go.b("model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",[this,t]);const o=_s._createAt(t,e);if("same"==o.compareWith(this.focus))return;const i=this.anchor;this._ranges.length&&this._popRange(),"before"==o.compareWith(i)?(this._pushRange(new Cs(o,i)),this._lastRangeBackward=!0):(this._pushRange(new Cs(i,o)),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 o=Os(e.start,t);o&&Ms(o,e)&&(yield o);for(const o of e.getWalker()){const i=o.item;"elementEnd"==o.type&&Vs(i,t,e)&&(yield i)}const i=Os(e.end,t);i&&!e.end.isTouching(_s._createAt(i,0))&&Ms(i,e)&&(yield i)}}containsEntireContent(t=this.anchor.root){const e=_s._createAt(t,0),o=_s._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&o.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new Cs(t.start,t.end))}_checkRange(t){for(let e=0;e0;)this._popRange()}_popRange(){this._ranges.pop()}}function Is(t,e){return!e.has(t)&&(e.add(t),t.root.document.model.schema.isBlock(t)&&t.parent)}function Vs(t,e,o){return Is(t,e)&&Ms(t,o)}function Os(t,e){const o=t.parent.root.document.model.schema,i=t.parent.getAncestors({parentFirst:!0,includeSelf:!0});let n=!1;const r=i.find(t=>!n&&(n=o.isLimit(t),!n&&Is(t,e)));return i.forEach(t=>e.add(t)),r}function Ms(t,e){const o=function(t){const e=t.root.document.model.schema;let o=t.parent;for(;o;){if(e.isBlock(o))return o;o=o.parent}}(t);if(!o)return!0;return!e.containsRange(Cs._createOn(o),!0)}Co(Rs,po);class Ns extends Cs{constructor(t,e){super(t,e),Bs.call(this)}detach(){this.stopListening()}is(t){return"liveRange"===t||"model:liveRange"===t||"range"==t||"model:range"===t}toRange(){return new Cs(this.start,this.end)}static fromRange(t){return new Ns(t.start,t.end)}}function Bs(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const o=e[0];o.isDocumentOperation&&zs.call(this,o)},{priority:"low"})}function zs(t){const e=this.getTransformedByOperation(t),o=Cs._createFromRanges(e),i=!o.isEqual(this),n=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"==o.root.rootName&&(r="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=o.start,this.end=o.end,this.fire("change:range",e,{deletionPosition:r})}else n&&this.fire("change:content",this.toRange(),{deletionPosition:r})}Co(Ns,po);class Fs{constructor(t){this._selection=new Ds(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,o){this._selection.setTo(t,e,o)}_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:")}}Co(Fs,po);class Ds extends Rs{constructor(t){super(),this.markers=new Ao({idProperty:"name"}),this._model=t.model,this._document=t,this._attributePriority=new Map,this._fixGraveyardRangesData=[],this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this.listenTo(this._model,"applyOperation",(t,e)=>{const o=e[0];if(o.isDocumentOperation&&"marker"!=o.type&&"rename"!=o.type&&"noop"!=o.type){for(;this._fixGraveyardRangesData.length;){const{liveRange:t,sourcePosition:e}=this._fixGraveyardRangesData.shift();this._fixGraveyardSelection(t,e)}this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1}))}},{priority:"lowest"}),this.on("change:range",()=>{for(const t of this.getRanges())if(!this._document._validateSelectionRange(t))throw new go.b("document-selection-wrong-position: Range from document selection starts or ends at incorrect position.",this,{range:t})}),this.listenTo(this._model.markers,"update",()=>this._updateMarkers()),this.listenTo(this._document,"change",(t,e)=>{!function(t,e){const o=t.document.differ;for(const i of o.getChanges()){if("insert"!=i.type)continue;const o=i.position.parent;i.length===o.maxOffset&&t.enqueueChange(e,t=>{const e=Array.from(o.getAttributeKeys()).filter(t=>t.startsWith("selection:"));for(const i of e)t.removeAttribute(i,o)})}}(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._hasChangedRange=!0,e.root==this._document.graveyard&&this._fixGraveyardRangesData.push({liveRange:e,sourcePosition:i.deletionPosition})}),e}_updateMarkers(){const t=[];let e=!1;for(const e of this._model.markers){const o=e.getRange();for(const i of this.getRanges())o.containsRange(i,!i.isCollapsed)&&t.push(e)}const o=Array.from(this.markers);for(const o of t)this.markers.has(o)||(this.markers.add(o),e=!0);for(const o of Array.from(this.markers))t.includes(o)||(this.markers.remove(o),e=!0);e&&this.fire("change:marker",{oldMarkers:o,directChange:!1})}_updateAttributes(t){const e=zo(this._getSurroundingAttributes()),o=zo(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())o.has(t)&&o.get(t)===e||i.push(t);for(const[t]of o)this.hasAttribute(t)||i.push(t);i.length>0&&this.fire("change:attribute",{attributeKeys:i,directChange:!1})}_setAttribute(t,e,o=!0){const i=o?"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 o=e?"normal":"low";return("low"!=o||"normal"!=this._attributePriority.get(t))&&(this._attributePriority.set(t,o),!!super.hasAttribute(t)&&(this._attrs.delete(t),!0))}_setAttributesTo(t){const e=new Set;for(const[e,o]of this.getAttributes())t.get(e)!==o&&this._removeAttribute(e,!1);for(const[o,i]of t){this._setAttribute(o,i,!1)&&e.add(o)}return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())if(e.startsWith("selection:")){const o=e.substr("selection:".length);yield[o,t.getAttribute(e)]}}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let o=null;if(this.isCollapsed){const e=t.textNode?t.textNode:t.nodeBefore,i=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(o=Ls(e)),o||(o=Ls(i)),!this.isGravityOverridden&&!o){let t=e;for(;t&&!o;)t=t.previousSibling,o=Ls(t)}if(!o){let t=i;for(;t&&!o;)t=t.nextSibling,o=Ls(t)}o||(o=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){o=i.item.getAttributes();break}}}return o}_fixGraveyardSelection(t,e){const o=e.clone(),i=this._model.schema.getNearestSelectionRange(o),n=this._ranges.indexOf(t);if(this._ranges.splice(n,1),t.detach(),i&&(r=i,this._ranges.every(t=>!r.isEqual(t)))){const t=this._prepareRange(i);this._ranges.splice(n,0,t)}var r}}function Ls(t){return t instanceof fs||t instanceof ms?t.getAttributes():null}class js{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers)t(e);return this}}var Hs=function(t){return eo(t,5)};class Ws extends js{elementToElement(t){return this.add(function(t){return(t=Hs(t)).view=Us(t.view,"container"),e=>{var o;e.on("insert:"+t.model,(o=t.view,(t,e,i)=>{const n=o(e.item,i.writer);if(!n)return;if(!i.consumable.consume(e.item,"insert"))return;const r=i.mapper.toViewPosition(e.range.start);i.mapper.bindElements(e.item,n),i.writer.insert(r,n)}),{priority:t.converterPriority||"normal"})}}(t))}attributeToElement(t){return this.add(function(t){t=Hs(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]=Us(t.view[e],"attribute");else t.view=Us(t.view,"attribute");const o=$s(t);return i=>{i.on(e,function(t){return(e,o,i)=>{const n=t(o.attributeOldValue,i.writer),r=t(o.attributeNewValue,i.writer);if(!n&&!r)return;if(!i.consumable.consume(o.item,e.name))return;const s=i.writer,a=s.document.selection;if(o.item instanceof Rs||o.item instanceof Fs)s.wrap(a.getFirstRange(),r);else{let t=i.mapper.toViewRange(o.range);null!==o.attributeOldValue&&n&&(t=s.unwrap(t,n)),null!==o.attributeNewValue&&r&&s.wrap(t,r)}}}(o),{priority:t.converterPriority||"normal"})}}(t))}attributeToAttribute(t){return this.add(function(t){t=Hs(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]=Gs(t.view[e]);else t.view=Gs(t.view);const o=$s(t);return i=>{var n;i.on(e,(n=o,(t,e,o)=>{const i=n(e.attributeOldValue,e),r=n(e.attributeNewValue,e);if(!i&&!r)return;if(!o.consumable.consume(e.item,t.name))return;const s=o.mapper.toViewElement(e.item),a=o.writer;if(!s)throw new go.b("conversion-attribute-to-attribute-on-text: Trying to convert text node's attribute with attribute-to-attribute converter.",[e,o]);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=Hs(t)).view=Us(t.view,"ui"),e=>{var o;e.on("addMarker:"+t.model,(o=t.view,(t,e,i)=>{e.isOpening=!0;const n=o(e,i.writer);e.isOpening=!1;const r=o(e,i.writer);if(!n||!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,l=i.writer;l.insert(a.toViewPosition(s.start),n),i.mapper.bindElementToMarker(n,e.markerName),s.isCollapsed||(l.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,o)=>{const i=o.mapper.markerNameToElements(e.markerName);if(i){for(const t of i)o.mapper.unbindElementFromMarkerName(t,e.markerName),o.writer.clear(o.writer.createRangeOn(t),t);o.writer.clearClonedElementsGroup(e.markerName),t.stop()}}),{priority:t.converterPriority||"normal"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{var o;e.on("addMarker:"+t.model,(o=t.view,(t,e,i)=>{if(!e.item)return;if(!(e.item instanceof Rs||e.item instanceof Fs||e.item.is("textProxy")))return;const n=Ks(o,e,i);if(!n)return;if(!i.consumable.consume(e.item,t.name))return;const r=i.writer,s=qs(r,n),a=r.document.selection;if(e.item instanceof Rs||e.item instanceof Fs)r.wrap(a.getFirstRange(),s,a);else{const t=i.mapper.toViewRange(e.range),o=r.wrap(t,s);for(const t of o.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,o,i)=>{if(!o.item)return;if(!(o.item instanceof bs))return;const n=Ks(t,o,i);if(!n)return;if(!i.consumable.test(o.item,e.name))return;const r=i.mapper.toViewElement(o.item);if(r&&r.getCustomProperty("addHighlight")){i.consumable.consume(o.item,e.name);for(const t of Cs._createIn(o.item))i.consumable.consume(t.item,e.name);r.getCustomProperty("addHighlight")(r,n,i.writer),i.mapper.bindElementToMarker(r,o.markerName)}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,function(t){return(e,o,i)=>{if(o.markerRange.isCollapsed)return;const n=Ks(t,o,i);if(!n)return;const r=qs(i.writer,n),s=i.mapper.markerNameToElements(o.markerName);if(s){for(const t of s)i.mapper.unbindElementFromMarkerName(t,o.markerName),t.is("attributeElement")?i.writer.unwrap(i.writer.createRangeOn(t),r):t.getCustomProperty("removeHighlight")(t,n.id,i.writer);i.writer.clearClonedElementsGroup(o.markerName),e.stop()}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}}function qs(t,e){const o=t.createAttributeElement("span",e.attributes);return e.classes&&o._addClass(e.classes),e.priority&&(o._priority=e.priority),o._id=e.id,o}function Us(t,e){return"function"==typeof t?t:(o,i)=>function(t,e,o){"string"==typeof t&&(t={name:t});let i;const n=Object.assign({},t.attributes);if("container"==o)i=e.createContainerElement(t.name,n);else if("attribute"==o){const o={priority:t.priority||an.DEFAULT_PRIORITY};i=e.createAttributeElement(t.name,n,o)}else i=e.createUIElement(t.name,n);if(t.styles){const o=Object.keys(t.styles);for(const n of o)e.setStyle(n,t.styles[n],i)}if(t.classes){const o=t.classes;if("string"==typeof o)e.addClass(o,i);else for(const t of o)e.addClass(t,i)}return i}(t,i,e)}function $s(t){return t.model.values?(e,o)=>{const i=t.view[e];return i?i(e,o):null}:t.view}function Gs(t){return"string"==typeof t?e=>({key:t,value:e}):"object"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}function Ks(t,e,o){const i="function"==typeof t?t(e,o):t;return i?(i.priority||(i.priority=10),i.id||(i.id=e.markerName),i):null}class Js extends js{elementToElement(t){return this.add(Ys(t))}elementToAttribute(t){return this.add(function(t){Xs(t=Hs(t));const e=Zs(t,!1),o=Qs(t.view),i=o?"element:"+o:"element";return o=>{o.on(i,e,{priority:t.converterPriority||"low"})}}(t))}attributeToAttribute(t){return this.add(function(t){t=Hs(t);let e=null;("string"==typeof t.view||t.view.key)&&(e=function(t){"string"==typeof t.view&&(t.view={key:t.view});const e=t.view.key;let o;if("class"==e||"style"==e){o={["class"==e?"classes":"styles"]:t.view.value}}else{const i=void 0===t.view.value?/[\s\S]*/:t.view.value;o={attributes:{[e]:i}}}t.view.name&&(o.name=t.view.name);return t.view=o,e}(t));Xs(t,e);const o=Zs(t,!0);return e=>{e.on("element",o,{priority:t.converterPriority||"low"})}}(t))}elementToMarker(t){return this.add(function(t){return function(t){const e=t.model;t.model=(t,o)=>{const i="string"==typeof e?e:e(t);return o.createElement("$marker",{"data-name":i})}}(t=Hs(t)),Ys(t)}(t))}}function Ys(t){const e=function(t){const e=t.view?new Fo(t.view):null;return(o,i,n)=>{let r={};if(e){const t=e.match(i.viewItem);if(!t)return;r=t.match}r.name=!0;const s=(a=t.model,l=i.viewItem,c=n.writer,a instanceof Function?a(l,c):c.createElement(a));var a,l,c;if(!s)return;if(!n.consumable.test(i.viewItem,r))return;const d=n.splitToAllowedParent(s,i.modelCursor);if(!d)return;n.writer.insert(s,d.position),n.convertChildren(i.viewItem,n.writer.createPositionAt(s,0)),n.consumable.consume(i.viewItem,r);const h=n.getSplitParts(s);i.modelRange=new Cs(n.writer.createPositionBefore(s),n.writer.createPositionAfter(h[h.length-1])),d.cursorParent?i.modelCursor=n.writer.createPositionAt(d.cursorParent,0):i.modelCursor=i.modelRange.end}}(t=Hs(t)),o=Qs(t.view),i=o?"element:"+o:"element";return o=>{o.on(i,e,{priority:t.converterPriority||"normal"})}}function Qs(t){return"string"==typeof t?t:"object"==typeof t&&"string"==typeof t.name?t.name:null}function Xs(t,e=null){const o=null===e||(t=>t.getAttribute(e)),i="object"!=typeof t.model?t.model:t.model.key,n="object"!=typeof t.model||void 0===t.model.value?o:t.model.value;t.model={key:i,value:n}}function Zs(t,e){const o=new Fo(t.view);return(i,n,r)=>{const s=o.match(n.viewItem);if(!s)return;const a=t.model.key,l="function"==typeof t.model.value?t.model.value(n.viewItem):t.model.value;if(null===l)return;if(!function(t,e){const o="function"==typeof t?t(e):t;if("object"==typeof o&&!Qs(o))return!1;return!o.classes&&!o.attributes&&!o.styles}(t.view,n.viewItem)?delete s.match.name:s.match.name=!0,!r.consumable.test(n.viewItem,s.match))return;n.modelRange||(n=Object.assign(n,r.convertChildren(n.viewItem,n.modelCursor)));(function(t,e,o,i){let n=!1;for(const r of Array.from(t.getItems({shallow:o})))i.schema.checkAttribute(r,e.key)&&(i.writer.setAttribute(e.key,e.value,r),n=!0);return n})(n.modelRange,{key:a,value:l},e,r)&&r.consumable.consume(n.viewItem,s.match)}}class ta{constructor(t,e){this.model=t,this.view=new us(e),this.mapper=new As,this.downcastDispatcher=new Ss({mapper:this.mapper});const o=this.model.document,i=o.selection,n=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(o,"change",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(o.differ,n,t),this.downcastDispatcher.convertSelection(i,n,t)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(o,i)=>{const n=i.newSelection,r=new Rs,s=[];for(const t of n.getRanges())s.push(e.toModelRange(t));r.setTo(s,{backward:n.isBackward}),r.isEqual(t.document.selection)||t.change(t=>{t.setSelection(r)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(t,e,o)=>{if(!o.consumable.consume(e.item,"insert"))return;const i=o.writer,n=o.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(n,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(t,e,o)=>{const i=o.mapper.toViewPosition(e.position),n=e.position.getShiftedBy(e.length),r=o.mapper.toViewPosition(n,{isPhantom:!0}),s=o.writer.createRange(i,r),a=o.writer.remove(s.getTrimmed());for(const t of o.writer.createRangeIn(a).getItems())o.mapper.unbindViewElement(t)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,o)=>{const i=o.writer,n=i.document.selection;for(const t of n.getRanges())t.isCollapsed&&t.end.parent.isAttached()&&o.writer.mergeAttributes(t.start);i.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,o)=>{const i=e.selection;if(i.isCollapsed)return;if(!o.consumable.consume(i,"selection"))return;const n=[];for(const t of i.getRanges()){const e=o.mapper.toViewRange(t);n.push(e)}o.writer.setSelection(n,{backward:i.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,o)=>{const i=e.selection;if(!i.isCollapsed)return;if(!o.consumable.consume(i,"selection"))return;const n=o.writer,r=i.getFirstPosition(),s=o.mapper.toViewPosition(r),a=n.breakAttributes(s);n.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(t=>{if("$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()}}Co(ta,Wi);class ea{constructor(){this._commands=new Map}add(t,e){this._commands.set(t,e)}get(t){return this._commands.get(t)}execute(t,...e){const o=this.get(t);if(!o)throw new go.b("commandcollection-command-not-found: Command does not exist.",this,{commandName:t});o.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 oa{constructor(){this._consumables=new Map}add(t,e){let o;t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?o=this._consumables.get(t):(o=new ia(t),this._consumables.set(t,o)),o.add(e))}test(t,e){const o=this._consumables.get(t);return void 0===o?null:t.is("text")||t.is("documentFragment")?o:o.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 o=this._consumables.get(t);void 0!==o&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):o.revert(e))}static consumablesFromElement(t){const e={element:t,name:!0,attributes:[],classes:[],styles:[]},o=t.getAttributeKeys();for(const t of o)"style"!=t&&"class"!=t&&e.attributes.push(t);const i=t.getClassNames();for(const t of i)e.classes.push(t);const n=t.getStyleNames();for(const t of n)e.styles.push(t);return e}static createFrom(t,e){if(e||(e=new oa(t)),t.is("text"))return e.add(t),e;t.is("element")&&e.add(t,oa.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const o of t.getChildren())e=oa.createFrom(o,e);return e}}class ia{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 o=this._test(e,t[e]);if(!0!==o)return o}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 o=Bt(e)?e:[e],i=this._consumables[t];for(const e of o){if("attributes"===t&&("class"===e||"style"===e))throw new go.b("viewconsumable-invalid-attribute: Classes and styles should be handled separately.",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 o=Bt(e)?e:[e],i=this._consumables[t];for(const e of o)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",o=this._test(t,[...this._consumables[t].keys()]);if(!0!==o)return o}return!0}_consume(t,e){const o=Bt(e)?e:[e],i=this._consumables[t];for(const e of o)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 o=Bt(e)?e:[e],i=this._consumables[t];for(const e of o)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 na{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",(t,e)=>{e[0]=new ra(e[0])},{priority:"highest"}),this.on("checkChild",(t,e)=>{e[0]=new ra(e[0]),e[1]=this.getDefinition(e[1])},{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t])throw new go.b("schema-cannot-register-item-twice: A single item cannot be registered twice in the schema.",this,{itemName:t});this._sourceDefinitions[t]=[Object.assign({},e)],this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t])throw new go.b("schema-cannot-extend-missing-item: Cannot extend an item which was not registered yet.",this,{itemName:t});this._sourceDefinitions[t].push(Object.assign({},e)),this._clearCache()}getDefinitions(){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)}isInline(t){const e=this.getDefinition(t);return!(!e||!e.isInline)}checkChild(t,e){return!!e&&this._checkContextMatch(e,t)}checkAttribute(t,e){const o=this.getDefinition(t.last);return!!o&&o.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof _s){const e=t.nodeBefore,o=t.nodeAfter;if(!(e instanceof bs))throw new go.b("schema-check-merge-no-element-before: The node before the merge position must be an element.",this);if(!(o instanceof bs))throw new go.b("schema-check-merge-no-element-after: The node after the merge position must be an element.",this);return this.checkMerge(e,o)}for(const o of e.getChildren())if(!this.checkChild(t,o))return!1;return!0}addChildCheck(t){this.on("checkChild",(e,[o,i])=>{if(!i)return;const n=t(o,i);"boolean"==typeof n&&(e.stop(),e.return=n)},{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",(e,[o,i])=>{const n=t(o,i);"boolean"==typeof n&&(e.stop(),e.return=n)},{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 _s)e=t.parent;else{e=(t instanceof Cs?[t]:Array.from(t.getRanges())).reduce((t,e)=>{const o=e.getCommonAncestor();return t?t.getCommonAncestor(o,{includeSelf:!0}):o},null)}for(;!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const o=[...t.getFirstPosition().getAncestors(),new ms("",t.getAttributes())];return this.checkAttribute(o,e)}{const o=t.getRanges();for(const t of o)for(const o of t)if(this.checkAttribute(o.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const o of t)yield*this._getValidRangesForRange(o,e)}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new Cs(t);let o,i;const n=t.getAncestors().reverse().find(t=>this.isLimit(t))||t.root;"both"!=e&&"backward"!=e||(o=new ws({boundaries:Cs._createIn(n),startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(i=new ws({boundaries:Cs._createIn(n),startPosition:t}));for(const t of function*(t,e){let o=!1;for(;!o;){if(o=!0,t){const e=t.next();e.done||(o=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(o=!1,yield{walker:e,value:t.value})}}}(o,i)){const e=t.walker==o?"elementEnd":"elementStart",i=t.value;if(i.type==e&&this.isObject(i.item))return Cs._createOn(i.item);if(this.checkChild(i.nextPosition,"$text"))return new Cs(i.nextPosition)}return null}findAllowedParent(t,e){let o=t.parent;for(;o;){if(this.checkChild(o,e))return o;if(this.isLimit(o))return null;o=o.parent}return null}removeDisallowedAttributes(t,e){for(const o of t)if(o.is("text"))pa(this,o,e);else{const t=Cs._createIn(o).getPositions();for(const o of t){pa(this,o.nodeBefore||o.parent,e)}}}createContext(t){return new ra(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,o=Object.keys(e);for(const i of o)t[i]=sa(e[i],i);for(const e of o)aa(t,e);for(const e of o)la(t,e);for(const e of o)ca(t,e),da(t,e);for(const e of o)ha(t,e),ua(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,o=e.length-1){const i=e.getItem(o);if(t.allowIn.includes(i.name)){if(0==o)return!0;{const t=this.getDefinition(i);return this._checkContextMatch(t,e,o-1)}}return!1}*_getValidRangesForRange(t,e){let o=t.start,i=t.start;for(const n of t.getItems({shallow:!0}))n.is("element")&&(yield*this._getValidRangesForRange(Cs._createIn(n),e)),this.checkAttribute(n,e)||(o.isEqual(i)||(yield new Cs(o,i)),o=_s._createAfter(n)),i=_s._createAfter(n);o.isEqual(i)||(yield new Cs(o,i))}}Co(na,Wi);class ra{constructor(t){if(t instanceof ra)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(fa)}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 ra([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 sa(t,e){const o={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(t,e){for(const o of t){const t=Object.keys(o).filter(t=>t.startsWith("is"));for(const i of t)e[i]=o[i]}}(t,o),ga(t,o,"allowIn"),ga(t,o,"allowContentOf"),ga(t,o,"allowWhere"),ga(t,o,"allowAttributes"),ga(t,o,"allowAttributesOf"),ga(t,o,"inheritTypesFrom"),function(t,e){for(const o of t){const t=o.inheritAllFrom;t&&(e.allowContentOf.push(t),e.allowWhere.push(t),e.allowAttributesOf.push(t),e.inheritTypesFrom.push(t))}}(t,o),o}function aa(t,e){for(const o of t[e].allowContentOf)if(t[o]){ma(t,o).forEach(t=>{t.allowIn.push(e)})}delete t[e].allowContentOf}function la(t,e){for(const o of t[e].allowWhere){const i=t[o];if(i){const o=i.allowIn;t[e].allowIn.push(...o)}}delete t[e].allowWhere}function ca(t,e){for(const o of t[e].allowAttributesOf){const i=t[o];if(i){const o=i.allowAttributes;t[e].allowAttributes.push(...o)}}delete t[e].allowAttributesOf}function da(t,e){const o=t[e];for(const e of o.inheritTypesFrom){const i=t[e];if(i){const t=Object.keys(i).filter(t=>t.startsWith("is"));for(const e of t)e in o||(o[e]=i[e])}}delete o.inheritTypesFrom}function ha(t,e){const o=t[e],i=o.allowIn.filter(e=>t[e]);o.allowIn=Array.from(new Set(i))}function ua(t,e){const o=t[e];o.allowAttributes=Array.from(new Set(o.allowAttributes))}function ga(t,e,o){for(const i of t)"string"==typeof i[o]?e[o].push(i[o]):Array.isArray(i[o])&&e[o].push(...i[o])}function ma(t,e){const o=t[e];return(i=t,Object.keys(i).map(t=>i[t])).filter(t=>t.allowIn.includes(o.name));var i}function fa(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 pa(t,e,o){for(const i of e.getAttributeKeys())t.checkAttribute(e,i)||o.removeAttribute(i,e)}class ba{constructor(t={}){this._splitParts=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},t),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,o=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let o;for(const i of new ra(t)){const t={};for(const e of i.getAttributeKeys())t[e]=i.getAttribute(e);const n=e.createElement(i.name,t);o&&e.append(n,o),o=_s._createAt(n,0)}return o}(o,e),this.conversionApi.writer=e,this.conversionApi.consumable=oa.createFrom(t),this.conversionApi.store={};const{modelRange:i}=this._convertItem(t,this._modelCursor),n=e.createDocumentFragment();if(i){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,n);n.markers=function(t,e){const o=new Set,i=new Map,n=Cs._createIn(t).getItems();for(const t of n)"$marker"==t.name&&o.add(t);for(const t of o){const o=t.getAttribute("data-name"),n=e.createPositionBefore(t);i.has(o)?i.get(o).end=n.clone():i.set(o,new Cs(n.clone())),e.remove(t)}return i}(n,e)}return this._modelCursor=null,this._splitParts.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,n}_convertItem(t,e){const o=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")?this.fire("element:"+t.name,o,this.conversionApi):t.is("text")?this.fire("text",o,this.conversionApi):this.fire("documentFragment",o,this.conversionApi),o.modelRange&&!(o.modelRange instanceof Cs))throw new go.b("view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.",this);return{modelRange:o.modelRange,modelCursor:o.modelCursor}}_convertChildren(t,e){const o=new Cs(e);let i=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,i);t.modelRange instanceof Cs&&(o.end=t.modelRange.end,i=t.modelCursor)}return{modelRange:o,modelCursor:i}}_splitToAllowedParent(t,e){const o=this.conversionApi.schema.findAllowedParent(e,t);if(!o)return null;if(o===e.parent)return{position:e};if(this._modelCursor.parent.getAncestors().includes(o))return null;const i=this.conversionApi.writer.split(e,o),n=[];for(const t of i.range.getWalker())if("elementEnd"==t.type)n.push(t.item);else{const e=n.pop(),o=t.item;this._registerSplitPair(e,o)}return{position:i.position,cursorParent:i.range.end.parent}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const o=this._splitParts.get(t);this._splitParts.set(e,o),o.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()}}Co(ba,po);class wa{constructor(t,e){this.model=t,this.stylesProcessor=e,this.processor,this.mapper=new As,this.downcastDispatcher=new Ss({mapper:this.mapper}),this.downcastDispatcher.on("insert:$text",(t,e,o)=>{if(!o.consumable.consume(e.item,"insert"))return;const i=o.writer,n=o.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(n,r)},{priority:"lowest"}),this.upcastDispatcher=new ba({schema:t.schema}),this.viewDocument=new sn(e),this._viewWriter=new An(this.viewDocument),this.upcastDispatcher.on("text",(t,e,o)=>{if(o.schema.checkChild(e.modelCursor,"$text")&&o.consumable.consume(e.viewItem)){const t=o.writer.createText(e.viewItem.data);o.writer.insert(t,e.modelCursor),e.modelRange=Cs._createFromPositionAndShift(e.modelCursor,t.offsetSize),e.modelCursor=e.modelRange.end}},{priority:"lowest"}),this.upcastDispatcher.on("element",(t,e,o)=>{if(!e.modelRange&&o.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=o.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(t,e,o)=>{if(!e.modelRange&&o.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=o.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{priority:"lowest"}),this.decorate("init"),this.on("init",()=>{this.fire("ready")},{priority:"lowest"})}get(t){const{rootName:e="main",trim:o="empty"}=t||{};if(!this._checkIfRootsExists([e]))throw new go.b("datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.",this);const i=this.model.document.getRoot(e);return"empty"!==o||this.model.hasContent(i,{ignoreWhitespaces:!0})?this.stringify(i):""}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){const e=this.viewDocument,o=this._viewWriter;this.mapper.clearBindings();const i=Cs._createIn(t),n=new Cn(e);if(this.mapper.bindElements(t,n),this.downcastDispatcher.convertInsert(i,o),!t.is("documentFragment")){const e=function(t){const e=[],o=t.root.document;if(!o)return[];const i=Cs._createIn(t);for(const t of o.model.markers){const o=i.getIntersection(t.getRange());o&&e.push([t.name,o])}return e}(t);for(const[t,i]of e)this.downcastDispatcher.convertMarkerAdd(t,i,o)}return n}init(t){if(this.model.document.version)throw new go.b("datacontroller-init-document-not-empty: Trying to set initial data to not empty document.",this);let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new go.b("datacontroller-init-non-existent-root: Attempting to init data on a non-existing root.",this);return this.model.enqueueChange("transparent",t=>{for(const o of Object.keys(e)){const i=this.model.document.getRoot(o);t.insert(this.parse(e[o],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 go.b("datacontroller-set-non-existent-root: Attempting to set data on a non-existing root.",this);this.model.enqueueChange("transparent",t=>{t.setSelection(null),t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const o of Object.keys(e)){const i=this.model.document.getRoot(o);t.remove(t.createRangeIn(i)),t.insert(this.parse(e[o],i),i,0)}})}parse(t,e="$root"){const o=this.processor.toView(t);return this.toModel(o,e)}toModel(t,e="$root"){return this.model.change(o=>this.upcastDispatcher.convert(t,o,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}}Co(wa,Wi);class ka{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 o=this._downcast.includes(e);if(!this._upcast.includes(e)&&!o)throw new go.b("conversion-add-alias-dispatcher-not-registered: Trying to register and alias for a dispatcher that nas not been registered.",this);this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:o})}for(t){if(!this._helpers.has(t))throw new go.b("conversion-for-unknown-group: Trying to add a converter to an unknown dispatchers group.",this);return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:o}of _a(t))this.for("upcast").elementToElement({model:e,view:o,converterPriority:t.converterPriority})}attributeToElement(t){this.for("downcast").attributeToElement(t);for(const{model:e,view:o}of _a(t))this.for("upcast").elementToAttribute({view:o,model:e,converterPriority:t.converterPriority})}attributeToAttribute(t){this.for("downcast").attributeToAttribute(t);for(const{model:e,view:o}of _a(t))this.for("upcast").attributeToAttribute({view:o,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:o}){if(this._helpers.has(t))throw new go.b("conversion-group-exists: Trying to register a group name that has already been registered.",this);const i=o?new Ws(e):new Js(e);this._helpers.set(t,i)}}function*_a(t){if(t.model.values)for(const e of t.model.values){const o={key:t.model.key,value:e},i=t.view[e],n=t.upcastAlso?t.upcastAlso[e]:void 0;yield*va(o,i,n)}else yield*va(t.model,t.view,t.upcastAlso)}function*va(t,e,o){if(yield{model:t,view:e},o){o=Array.isArray(o)?o:[o];for(const e of o)yield{model:t,view:e}}}class ya{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 xa{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 Ca{constructor(t){this.markers=new Map,this._children=new ps,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 o of t)e=e.getChild(e.offsetToIndex(o));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 o of t)o.name?e.push(bs.fromJSON(o)):e.push(ms.fromJSON(o));return new Ca(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const o=function(t){if("string"==typeof t)return[new ms(t)];xo(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new ms(t):t instanceof fs?new ms(t.data,t.getAttributes()):t)}(e);for(const t of o)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,o)}_removeChildren(t,e=1){const o=this._children._removeNodes(t,e);for(const t of o)t.parent=null;return o}}function Aa(t,e){const o=(e=Sa(e)).reduce((t,e)=>t+e.offsetSize,0),i=t.parent;Ra(t);const n=t.index;return i._insertChild(n,e),Ea(i,n+e.length),Ea(i,n),new Cs(t,t.getShiftedBy(o))}function Ta(t){if(!t.isFlat)throw new go.b("operation-utils-remove-range-not-flat: Trying to remove a range which starts and ends in different element.",this);const e=t.start.parent;Ra(t.start),Ra(t.end);const o=e._removeChildren(t.start.index,t.end.index-t.start.index);return Ea(e,t.start.index),o}function Pa(t,e){if(!t.isFlat)throw new go.b("operation-utils-move-range-not-flat: Trying to move a range which starts and ends in different element.",this);const o=Ta(t);return Aa(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),o)}function Sa(t){const e=[];t instanceof Array||(t=[t]);for(let o=0;ot.maxOffset)throw new go.b("move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.",this);if(t===e&&o=o&&this.targetPosition.path[t]t._clone(!0))),e=new Ba(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new _s(t,[0]);return new Na(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffsett._clone(!0))),Aa(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 o=[];for(const e of t.nodes)e.name?o.push(bs.fromJSON(e)):o.push(ms.fromJSON(e));const i=new Ba(_s.fromJSON(t.position,e),o,t.baseVersion);return i.shouldReceiveAttributes=t.shouldReceiveAttributes,i}}class za extends xa{constructor(t,e,o,i,n,r){super(r),this.name=t,this.oldRange=e?e.clone():null,this.newRange=o?o.clone():null,this.affectsData=n,this._markers=i}get type(){return"marker"}clone(){return new za(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new za(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 za(t.name,t.oldRange?Cs.fromJSON(t.oldRange,e):null,t.newRange?Cs.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class Fa extends xa{constructor(t,e,o,i){super(i),this.position=t,this.position.stickiness="toNext",this.oldName=e,this.newName=o}get type(){return"rename"}clone(){return new Fa(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new Fa(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof bs))throw new go.b("rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.",this);if(t.name!==this.oldName)throw new go.b("rename-operation-wrong-name: Element to change has different name than operation's old name.",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new Fa(_s.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class Da extends xa{constructor(t,e,o,i,n){super(n),this.root=t,this.key=e,this.oldValue=o,this.newValue=i}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new Da(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Da(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new go.b("rootattribute-operation-not-a-root: The element to change is not a root element.",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new go.b("rootattribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new go.b("rootattribute-operation-attribute-exists: The attribute with given key already exists.",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const t=super.toJSON();return t.root=this.root.toJSON(),t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root))throw new go.b("rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.",this,{rootName:t.root});return new Da(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class La extends xa{constructor(t,e,o,i,n){super(n),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=e,this.targetPosition=o.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=i.clone()}get type(){return"merge"}get deletionPosition(){return new _s(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Cs(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),o=new _s(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),i=new ja(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return i.insertionPosition=o,i}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!t.parent)throw new go.b("merge-operation-source-position-invalid: Merge source position is invalid.",this);if(!e.parent)throw new go.b("merge-operation-target-position-invalid: Merge target position is invalid.",this);if(this.howMany!=t.maxOffset)throw new go.b("merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.",this)}_execute(){const t=this.sourcePosition.parent;Pa(Cs._createIn(t),this.targetPosition),Pa(Cs._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 o=_s.fromJSON(t.sourcePosition,e),i=_s.fromJSON(t.targetPosition,e),n=_s.fromJSON(t.graveyardPosition,e);return new this(o,t.howMany,i,n,t.baseVersion)}}class ja extends xa{constructor(t,e,o,i){super(i),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=ja.getInsertionPosition(t),this.insertionPosition.stickiness="toNone",this.graveyardPosition=o?o.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 _s(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Cs(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 _s(t,[0]);return new La(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent,e=this.splitPosition.offset;if(!t||t.maxOffset{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof Cs)for(const o of t.getItems())e(o);else e(t)}move(t,e,o){if(this._assertWriterUsedCorrectly(),!(t instanceof Cs))throw new go.b("writer-move-invalid-range: Invalid range to move.",this);if(!t.isFlat)throw new go.b("writer-move-range-not-flat: Range to move is not flat.",this);const i=_s._createAt(e,o);if(i.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!Ka(t.root,i.root))throw new go.b("writer-move-different-document: Range is going to be moved between different documents.",this);const n=t.root.document?t.root.document.version:null,r=new Na(t.start,t.end.offset-t.start.offset,i,n);this.batch.addOperation(r),this.model.applyOperation(r)}remove(t){this._assertWriterUsedCorrectly();const e=(t instanceof Cs?t:Cs._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers("move",t),Ga(t.start,t.end.offset-t.start.offset,this.batch,this.model)}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,o=t.nodeAfter;if(this._addOperationForAffectedMarkers("merge",t),!(e instanceof bs))throw new go.b("writer-merge-no-element-before: Node before merge position must be an element.",this);if(!(o instanceof bs))throw new go.b("writer-merge-no-element-after: Node after merge position must be an element.",this);t.root.document?this._merge(t):this._mergeDetached(t)}createPositionFromPath(t,e,o){return this.model.createPositionFromPath(t,e,o)}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,o){return this.model.createSelection(t,e,o)}_mergeDetached(t){const e=t.nodeBefore,o=t.nodeAfter;this.move(Cs._createIn(o),_s._createAt(e,"end")),this.remove(o)}_merge(t){const e=_s._createAt(t.nodeBefore,"end"),o=_s._createAt(t.nodeAfter,0),i=t.root.document.graveyard,n=new _s(i,[0]),r=t.root.document.version,s=new La(o,t.nodeAfter.maxOffset,e,n,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof bs))throw new go.b("writer-rename-not-element-instance: Trying to rename an object which is not an instance of Element.",this);const o=t.root.document?t.root.document.version:null,i=new Fa(_s._createBefore(t),t.name,e,o);this.batch.addOperation(i),this.model.applyOperation(i)}split(t,e){this._assertWriterUsedCorrectly();let o,i,n=t.parent;if(!n.parent)throw new go.b("writer-split-element-no-parent: Element with no parent can not be split.",this);if(e||(e=n.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new go.b("writer-split-invalid-limit-element: Limit element is not a position ancestor.",this);do{const e=n.root.document?n.root.document.version:null,r=n.maxOffset-t.offset,s=new ja(t,r,null,e);this.batch.addOperation(s),this.model.applyOperation(s),o||i||(o=n,i=t.parent.nextSibling),n=(t=this.createPositionAfter(t.parent)).parent}while(n!==e);return{position:t,range:new Cs(_s._createAt(o,"end"),_s._createAt(i,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new go.b("writer-wrap-range-not-flat: Range to wrap is not flat.",this);const o=e instanceof bs?e:new bs(e);if(o.childCount>0)throw new go.b("writer-wrap-element-not-empty: Element to wrap with is not empty.",this);if(null!==o.parent)throw new go.b("writer-wrap-element-attached: Element to wrap with is already attached to tree model.",this);this.insert(o,t.start);const i=new Cs(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(i,_s._createAt(o,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new go.b("writer-unwrap-element-no-parent: Trying to unwrap an element which has no parent.",this);this.move(Cs._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||"boolean"!=typeof e.usingOperation)throw new go.b("writer-addMarker-no-usingOperation: The options.usingOperation parameter is required when adding a new marker.",this);const o=e.usingOperation,i=e.range,n=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new go.b("writer-addMarker-marker-exists: Marker with provided name already exists.",this);if(!i)throw new go.b("writer-addMarker-no-range: Range parameter is required when adding a new marker.",this);return o?($a(this,t,null,i,n),this.model.markers.get(t)):this.model.markers._set(t,i,o,n)}updateMarker(t,e){this._assertWriterUsedCorrectly();const o="string"==typeof t?t:t.name,i=this.model.markers.get(o);if(!i)throw new go.b("writer-updateMarker-marker-not-exists: Marker with provided name does not exists.",this);if(!e)return void this.model.markers._refresh(i);const n="boolean"==typeof e.usingOperation,r="boolean"==typeof e.affectsData,s=r?e.affectsData:i.affectsData;if(!n&&!e.range&&!r)throw new go.b("writer-updateMarker-wrong-options: One of the options is required - provide range, usingOperations or affectsData.",this);const a=i.getRange(),l=e.range?e.range:a;n&&e.usingOperation!==i.managedUsingOperations?e.usingOperation?$a(this,o,null,l,s):($a(this,o,a,null,s),this.model.markers._set(o,l,void 0,s)):i.managedUsingOperations?$a(this,o,a,l,s):this.model.markers._set(o,l,void 0,s)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new go.b("writer-removeMarker-no-marker: Trying to remove marker which does not exist.",this);const o=this.model.markers.get(e);if(!o.managedUsingOperations)return void this.model.markers._remove(e);$a(this,e,o.getRange(),null,o.affectsData)}setSelection(t,e,o){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(t,e,o)}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,o]of zo(t))this._setSelectionAttribute(e,o)}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 o=this.model.document.selection;if(o.isCollapsed&&o.anchor.parent.isEmpty){const i=Fs._getStoreAttributeKey(t);this.setAttribute(i,e,o.anchor.parent)}o._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const o=Fs._getStoreAttributeKey(t);this.removeAttribute(o,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new go.b("writer-incorrect-use: Trying to use a writer outside the change() block.",this)}_addOperationForAffectedMarkers(t,e){for(const o of this.model.markers){if(!o.managedUsingOperations)continue;const i=o.getRange();let n=!1;if("move"===t)n=e.containsPosition(i.start)||e.start.isEqual(i.start)||e.containsPosition(i.end)||e.end.isEqual(i.end);else{const t=e.nodeBefore,o=e.nodeAfter,r=i.start.parent==t&&i.start.isAtEnd,s=i.end.parent==o&&0==i.end.offset,a=i.end.nodeAfter==o,l=i.start.nodeAfter==o;n=r||s||a||l}n&&this.updateMarker(o.name,{range:i})}}}function qa(t,e,o,i){const n=t.model,r=n.document;let s,a,l,c=i.start;for(const t of i.getWalker({shallow:!0}))l=t.item.getAttribute(e),s&&a!=l&&(a!=o&&d(),c=s),s=t.nextPosition,a=l;function d(){const i=new Cs(c,s),l=i.root.document?r.version:null,d=new Oa(i,e,a,o,l);t.batch.addOperation(d),n.applyOperation(d)}s instanceof _s&&s!=c&&a!=o&&d()}function Ua(t,e,o,i){const n=t.model,r=n.document,s=i.getAttribute(e);let a,l;if(s!=o){if(i.root===i){const t=i.document?r.version:null;l=new Da(i,e,s,o,t)}else{a=new Cs(_s._createBefore(i),t.createPositionAfter(i));const n=a.root.document?r.version:null;l=new Oa(a,e,s,o,n)}t.batch.addOperation(l),n.applyOperation(l)}}function $a(t,e,o,i,n){const r=t.model,s=r.document,a=new za(e,o,i,r.markers,n,s.version);t.batch.addOperation(a),r.applyOperation(a)}function Ga(t,e,o,i){let n;if(t.root.document){const o=i.document,r=new _s(o.graveyard,[0]);n=new Na(t,e,r,o.version)}else n=new Ma(t,e);o.addOperation(n),i.applyOperation(n)}function Ka(t,e){return t===e||t instanceof Ha&&e instanceof Ha}class Ja{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=Cs._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),o=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),o||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=Cs._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 o=t.graveyardPosition.parent;this._markInsert(o,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,o,i){const n=this._changedMarkers.get(t);n?(n.newRange=o,n.affectsData=i,null==n.oldRange&&null==n.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:o,affectsData:i})}getMarkersToRemove(){const t=[];for(const[e,o]of this._changedMarkers)null!=o.oldRange&&t.push({name:e,range:o.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,o]of this._changedMarkers)null!=o.newRange&&t.push({name:e,range:o.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 o=this._changesInElement.get(t).sort((t,e)=>t.offset===e.offset?t.type!=e.type?"remove"==t.type?-1:1:0:t.offsett.position.root!=e.position.root?t.position.root.rootNameo.offset){if(i>n){const t={type:"attribute",offset:n,howMany:i-n,count:this._changeCount++};this._handleChange(t,e),e.push(t)}t.nodesToHandle=o.offset-t.offset,t.howMany=t.nodesToHandle}else t.offset>=o.offset&&t.offsetn?(t.nodesToHandle=i-n,t.offset=n):t.nodesToHandle=0);if("remove"==o.type&&t.offseto.offset){const n={type:"attribute",offset:o.offset,howMany:i-o.offset,count:this._changeCount++};this._handleChange(n,e),e.push(n),t.nodesToHandle=o.offset-t.offset,t.howMany=t.nodesToHandle}"attribute"==o.type&&(t.offset>=o.offset&&i<=n?(t.nodesToHandle=0,t.howMany=0,t.offset=0):t.offset<=o.offset&&i>=n&&(o.howMany=0))}}t.howMany=t.nodesToHandle,delete t.nodesToHandle}_getInsertDiff(t,e,o){return{type:"insert",position:_s._createAt(t,e),name:o,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,o){return{type:"remove",position:_s._createAt(t,e),name:o,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,o){const i=[];o=new Map(o);for(const[n,r]of e){const e=o.has(n)?o.get(n):null;e!==r&&i.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:n,attributeOldValue:r,attributeNewValue:e,changeCount:this._changeCount++}),o.delete(n)}for(const[e,n]of o)i.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:n,changeCount:this._changeCount++});return i}_isInInsertedElement(t){const e=t.parent;if(!e)return!1;const o=this._changesInElement.get(e),i=t.startOffset;if(o)for(const t of o)if("insert"==t.type&&i>=t.offset&&ii){for(let e=0;e{const o=e[0];if(o.isDocumentOperation&&o.baseVersion!==this.version)throw new go.b("model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.",this,{operation:o})},{priority:"highest"}),this.listenTo(t,"applyOperation",(t,e)=>{const o=e[0];o.isDocumentOperation&&this.differ.bufferOperation(o)},{priority:"high"}),this.listenTo(t,"applyOperation",(t,e)=>{const o=e[0];o.isDocumentOperation&&(this.version++,this.history.addOperation(o))},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(t.markers,"update",(t,e,o,i)=>{this.differ.bufferMarkerChange(e.name,o,i,e.affectsData),null===o&&e.on("change",(t,o)=>{this.differ.bufferMarkerChange(e.name,o,e.getRange(),e.affectsData)})})}get graveyard(){return this.getRoot("$graveyard")}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new go.b("model-document-createRoot-name-exists: Root with specified name already exists.",this,{name:e});const o=new Ha(this,t,e);return this.roots.add(o),o}destroy(){this.selection.destroy(),this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,t=>t.rootName).filter(t=>"$graveyard"!=t)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=Oo(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,o=e.schema,i=e.createPositionFromPath(t,[0]);return o.getNearestSelectionRange(i)||e.createRange(i)}_validateSelectionRange(t){return il(t.start)&&il(t.end)}_callPostFixers(t){let e=!1;do{for(const o of this._postFixers)if(this.selection.refresh(),e=o(t),e)break}while(e)}}function il(t){const e=t.textNode;if(e){const o=e.data,i=t.offset-e.startOffset;return!tl(o,i)&&!el(o,i)}return!0}Co(ol,po);class nl{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,o=!1,i=!1){const n=t instanceof rl?t.name:t,r=this._markers.get(n);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(Ns.fromRange(e)),s=!0),o!=r.managedUsingOperations&&(r._managedUsingOperations=o,s=!0),"boolean"==typeof i&&i!=r.affectsData&&(r._affectsData=i,s=!0),s&&this.fire("update:"+n,r,t,e),r}const s=Ns.fromRange(e),a=new rl(n,s,o,i);return this._markers.set(n,a),this.fire("update:"+n,a,null,e),a}_remove(t){const e=t instanceof rl?t.name:t,o=this._markers.get(e);return!!o&&(this._markers.delete(e),this.fire("update:"+e,o,o.getRange(),null),this._destroyMarker(o),!0)}_refresh(t){const e=t instanceof rl?t.name:t,o=this._markers.get(e);if(!o)throw new go.b("markercollection-refresh-marker-not-exists: Marker with provided name does not exists.",this);const i=o.getRange();this.fire("update:"+e,o,i,i,o.managedUsingOperations,o.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()}}Co(nl,po);class rl{constructor(t,e,o,i){this.name=t,this._liveRange=this._attachLiveRange(e),this._managedUsingOperations=o,this._affectsData=i}get managedUsingOperations(){if(!this._liveRange)throw new go.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new go.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._affectsData}getStart(){if(!this._liveRange)throw new go.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new go.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new go.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.toRange()}is(t){return"marker"===t||"model:marker"===t}_attachLiveRange(t){return this._liveRange&&this._detachLiveRange(),t.delegate("change:range").to(this),t.delegate("change:content").to(this),this._liveRange=t,t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}Co(rl,po);class sl extends xa{get type(){return"noop"}clone(){return new sl(this.baseVersion)}getReversed(){return new sl(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const al={};al[Oa.className]=Oa,al[Ba.className]=Ba,al[za.className]=za,al[Na.className]=Na,al[sl.className]=sl,al[xa.className]=xa,al[Fa.className]=Fa,al[Da.className]=Da,al[ja.className]=ja,al[La.className]=La;class ll extends _s{constructor(t,e,o="toNone"){if(super(t,e,o),!this.root.is("rootElement"))throw new go.b("model-liveposition-root-not-rootelement: LivePosition's root has to be an instance of RootElement.",t);cl.call(this)}detach(){this.stopListening()}is(t){return"livePosition"===t||"model:livePosition"===t||"position"==t||"model:position"===t}toPosition(){return new _s(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}function cl(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const o=e[0];o.isDocumentOperation&&dl.call(this,o)},{priority:"low"})}function dl(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)}}Co(ll,po);class hl{constructor(t,e,o){this.model=t,this.writer=e,this.position=o,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 o=0;o{if(!o.doNotResetEntireContent&&function(t,e){const o=t.getLimitElement(e);if(!e.containsEntireContent(o))return!1;const i=e.getFirstRange();if(i.start.parent==i.end.parent)return!1;return t.checkChild(o,"paragraph")}(n,e))return void function(t,e){const o=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(o)),gl(t,t.createPositionAt(o,0),e)}(t,e);const r=i.start,s=ll.fromPosition(i.end,"toNext");i.start.isTouching(i.end)||t.remove(i),o.leaveUnmerged||(!function t(e,o,i){const n=o.parent,r=i.parent;if(n==r)return;if(e.model.schema.isLimit(n)||e.model.schema.isLimit(r))return;if(!function(t,e,o){const i=new Cs(t,e);for(const t of i.getWalker())if(o.isLimit(t.item))return!1;return!0}(o,i,e.model.schema))return;o=e.createPositionAfter(n),(i=e.createPositionBefore(r)).isEqual(o)||e.insert(r,o);e.merge(o);for(;i.parent.isEmpty;){const t=i.parent;i=e.createPositionBefore(t),e.remove(t)}t(e,o,i)}(t,r,s),n.removeDisallowedAttributes(r.parent.getChildren(),t)),ml(t,e,r),!o.doNotAutoparagraph&&function(t,e){const o=t.checkChild(e,"$text"),i=t.checkChild(e,"paragraph");return!o&&i}(n,r)&&gl(t,r,e),s.detach()})}function gl(t,e,o){const i=t.createElement("paragraph");t.insert(i,e),ml(t,o,t.createPositionAt(i,0))}function ml(t,e,o){e instanceof Fs?t.setSelection(o):e.setTo(o)}function fl(t,e){if("text"==e.type)return"word"===t.unit?function(t,e){let o=t.position.textNode;if(o){let i=t.position.offset-o.startOffset;for(;!bl(o.data,i,e)&&!wl(o,i,e);){t.next();const n=e?t.position.nodeAfter:t.position.nodeBefore;if(n&&n.is("text")){const i=n.data.charAt(e?0:n.data.length-1);' ,.?!:;"-()'.includes(i)||(t.next(),o=t.position.textNode)}i=t.position.offset-o.startOffset}}return t.position}(t.walker,t.isForward):function(t,e){const o=t.position.textNode;if(o){const i=o.data;let n=t.position.offset-o.startOffset;for(;tl(i,n)||"character"==e&&el(i,n);)t.next(),n=t.position.offset-o.startOffset}return t.position}(t.walker,t.unit,t.isForward);if(e.type==(t.isForward?"elementStart":"elementEnd")){if(t.schema.isObject(e.item))return _s._createAt(e.item,t.isForward?"after":"before");if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}else{if(t.schema.isLimit(e.item))return void t.walker.skip(()=>!0);if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}}function pl(t,e){const o=t.root,i=_s._createAt(o,e?"end":0);return e?new Cs(t,i):new Cs(i,t)}function bl(t,e,o){const i=e+(o?0:-1);return' ,.?!:;"-()'.includes(t.charAt(i))}function wl(t,e,o){return e===(o?t.endOffset:0)}function kl(t,e){const o=[];Array.from(t.getItems({direction:"backward"})).map(t=>e.createRangeOn(t)).filter(e=>(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end))).forEach(t=>{o.push(t.start.parent),e.remove(t)}),o.forEach(t=>{let o=t;for(;o.parent&&o.isEmpty;){const t=e.createRangeOn(o);o=o.parent,e.remove(t)}})}function _l(t){t.document.registerPostFixer(e=>function(t,e){const o=e.document.selection,i=e.schema,n=[];let r=!1;for(const t of o.getRanges()){const e=vl(t,i);e?(n.push(e),r=!0):n.push(t)}r&&t.setSelection(function(t){const e=[];e.push(t.shift());for(const o of t){const t=e.pop();if(o.isIntersecting(t)){const i=t.start.isAfter(o.start)?o.start:t.start,n=t.end.isAfter(o.end)?t.end:o.end,r=new Cs(i,n);e.push(r)}else e.push(t),e.push(o)}return e}(n),{backward:o.isBackward})}(e,t))}function vl(t,e){return t.isCollapsed?function(t,e){const o=t.start,i=e.getNearestSelectionRange(o);if(!i)return null;if(!i.isCollapsed)return i;const n=i.start;if(o.isEqual(n))return null;return new Cs(n)}(t,e):function(t,e){const o=t.start,i=t.end,n=e.checkChild(o,"$text"),r=e.checkChild(i,"$text"),s=e.getLimitElement(o),a=e.getLimitElement(i);if(s===a){if(n&&r)return null;if(function(t,e,o){const i=t.nodeAfter&&!o.isLimit(t.nodeAfter)||o.checkChild(t,"$text"),n=e.nodeBefore&&!o.isLimit(e.nodeBefore)||o.checkChild(e,"$text");return i||n}(o,i,e)){const t=o.nodeAfter&&e.isObject(o.nodeAfter)?null:e.getNearestSelectionRange(o,"forward"),n=i.nodeBefore&&e.isObject(i.nodeBefore)?null:e.getNearestSelectionRange(i,"backward"),r=t?t.start:o,s=n?n.start:i;return new Cs(r,s)}}const l=s&&!s.is("rootElement"),c=a&&!a.is("rootElement");if(l||c){const t=o.nodeAfter&&i.nodeBefore&&o.nodeAfter.parent===i.nodeBefore.parent,n=l&&(!t||!xl(o.nodeAfter,e)),r=c&&(!t||!xl(i.nodeBefore,e));let d=o,h=i;return n&&(d=_s._createBefore(yl(s,e))),r&&(h=_s._createAfter(yl(a,e))),new Cs(d,h)}return null}(t,e)}function yl(t,e){let o=t,i=o;for(;e.isLimit(i)&&i.parent;)o=i,i=i.parent;return o}function xl(t,e){return t&&e.isObject(t)}class Cl{constructor(){this.markers=new nl,this.document=new ol(this),this.schema=new na,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(t=>this.decorate(t)),this.on("applyOperation",(t,e)=>{e[0]._validate()},{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$block",{allowIn:"$root",isBlock:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0}),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}),_l(this)}change(t){try{return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new ya,callback:t}),this._runPendingChanges()[0]):t(this._currentWriter)}catch(t){go.b.rethrowUnexpectedError(t,this)}}enqueueChange(t,e){try{"string"==typeof t?t=new ya(t):"function"==typeof t&&(e=t,t=new ya),this._pendingChanges.push({batch:t,callback:e}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(t){go.b.rethrowUnexpectedError(t,this)}}applyOperation(t){t._execute()}insertContent(t,e,o){return function(t,e,o,i){return t.change(n=>{let r;r=o?o instanceof Rs||o instanceof Fs?o:n.createSelection(o,i):t.document.selection,r.isCollapsed||t.deleteContent(r,{doNotAutoparagraph:!0});const s=new hl(t,n,r.anchor);let a;a=e.is("documentFragment")?e.getChildren():[e],s.handleNodes(a,{isFirst:!0,isLast:!0});const l=s.getSelectionRange();l&&(r instanceof Fs?n.setSelection(l):r.setTo(l));const c=s.getAffectedRange()||t.createRange(r.anchor);return s.destroy(),c})}(this,t,e,o)}deleteContent(t,e){ul(this,t,e)}modifySelection(t,e){!function(t,e,o={}){const i=t.schema,n="backward"!=o.direction,r=o.unit?o.unit:"character",s=e.focus,a=new ws({boundaries:pl(s,n),singleCharacters:!0,direction:n?"forward":"backward"}),l={walker:a,schema:i,isForward:n,unit:r};let c;for(;c=a.next();){if(c.done)return;const o=fl(l,c.value);if(o)return void(e instanceof Fs?t.change(t=>{t.setSelectionFocus(o)}):e.setFocus(o))}}(this,t,e)}getSelectedContent(t){return function(t,e){return t.change(t=>{const o=t.createDocumentFragment(),i=e.getFirstRange();if(!i||i.isCollapsed)return o;const n=i.start.root,r=i.start.getCommonPath(i.end),s=n.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 l=a.end.offset-a.start.offset;for(const e of a.getItems({shallow:!0}))e.is("textProxy")?t.appendText(e.data,e.getAttributes(),o):t.append(e._clone(!0),o);if(a!=i){const e=i._getTransformedByMove(a.start,t.createPositionAt(o,0),l)[0],n=t.createRange(t.createPositionAt(o,0),e.start);kl(t.createRange(e.end,t.createPositionAt(o,"end")),t),kl(n,t)}return o})}(this,t)}hasContent(t,e){const o=t instanceof bs?Cs._createIn(t):t;if(o.isCollapsed)return!1;for(const t of this.markers.getMarkersIntersectingRange(o))if(t.affectsData)return!0;const{ignoreWhitespaces:i=!1}=e||{};for(const t of o.getItems())if(t.is("textProxy")){if(!i)return!0;if(-1!==t.data.search(/\S/))return!0}else if(this.schema.isObject(t))return!0;return!1}createPositionFromPath(t,e,o){return new _s(t,e,o)}createPositionAt(t,e){return _s._createAt(t,e)}createPositionAfter(t){return _s._createAfter(t)}createPositionBefore(t){return _s._createBefore(t)}createRange(t,e){return new Cs(t,e)}createRangeIn(t){return Cs._createIn(t)}createRangeOn(t){return Cs._createOn(t)}createSelection(t,e,o){return new Rs(t,e,o)}createBatch(t){return new ya(t)}createOperationFromJSON(t){return class{static fromJSON(t,e){return al[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 Wa(this,e);const o=this._pendingChanges[0].callback(this._currentWriter);t.push(o),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),t}}Co(Cl,Wi);class Al{constructor(){this._listener=Object.create(cr)}listenTo(t){this._listener.listenTo(t,"keydown",(t,e)=>{this._listener.fire("_keydown:"+bn(e),e)})}set(t,e,o={}){const i=wn(t),n=o.priority;this._listener.listenTo(this._listener,"_keydown:"+i,(t,o)=>{e(o,()=>{o.preventDefault(),o.stopPropagation(),t.stop()}),t.return=!0},{priority:n})}press(t){return!!this._listener.fire("_keydown:"+bn(t),t)}destroy(){this._listener.stopListening()}}class Tl extends Al{constructor(t){super(),this.editor=t}set(t,e,o={}){if("string"==typeof e){const t=e;e=(e,o)=>{this.editor.execute(t),o()}}super.set(t,e,o)}}class Pl{constructor(t={}){this._context=t.context||new Io({language:t.language}),this._context._addEditor(this,!t.context);const e=Array.from(this.constructor.builtinPlugins||[]);this.config=new no(t,this.constructor.defaultConfig),this.config.define("plugins",e),this.config.define(this._context._getEditorConfig()),this.plugins=new To(this,e,this._context.plugins),this.locale=this._context.locale,this.t=this.locale.t,this.commands=new ea,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 Cl;const o=new Ii;this.data=new wa(this.model,o),this.editing=new ta(this.model,o),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new ka([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 Tl(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config,e=t.get("plugins"),o=t.get("removePlugins")||[],i=t.get("extraPlugins")||[];return this.plugins.init(e.concat(i),o)}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{this.commands.execute(...t)}catch(t){go.b.rethrowUnexpectedError(t,this)}}}Co(Pl,Wi);class Sl{getHtml(t){const e=document.implementation.createHTMLDocument("").createElement("div");return e.appendChild(t),e.innerHTML}}class El{constructor(t){this._domParser=new DOMParser,this._domConverter=new nr(t,{blockFillerMode:"nbsp"}),this._htmlWriter=new Sl}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"),o=e.createDocumentFragment(),i=e.body.childNodes;for(;i.length>0;)o.appendChild(i[0]);return o}}class Rl{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",Il,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",Il),this.isEnabled=!0)}destroy(){this.stopListening()}static get isContextPlugin(){return!1}}function Il(t){t.return=!1,t.stop()}Co(Rl,Wi);class Vl extends Ao{constructor(t=[]){super(t,{idProperty:"viewUid"}),this.on("add",(t,e,o)=>{this._renderViewIntoCollectionParent(e,o)}),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 go.b("ui-viewcollection-delegate-wrong-events: All event names must be strings.",this);return{to:e=>{for(const o of this)for(const i of t)o.delegate(i).to(e);this.on("add",(o,i)=>{for(const o of t)i.delegate(o).to(e)}),this.on("remove",(o,i)=>{for(const o of t)i.stopDelegating(o,e)})}}}_renderViewIntoCollectionParent(t,e){t.isRendered||t.render(),t.element&&this._parentElement&&this._parentElement.insertBefore(t.element,this._parentElement.children[e])}}class Ol{constructor(t){Object.assign(this,Wl(Hl(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 go.b("ui-template-revert-not-applied: Attempting to revert a template which has not been applied yet.",[this,t]);this._revertTemplateFromNode(t,this._revertData)}*getViews(){yield*function*t(e){if(e.children)for(const o of e.children)Kl(o)?yield o:Jl(o)&&(yield*t(o))}(this)}static bind(t,e){return{to:(o,i)=>new Nl({eventNameOrFunction:o,attribute:o,observable:t,emitter:e,callback:i}),if:(o,i,n)=>new Bl({observable:t,emitter:e,attribute:o,valueIfTrue:i,callback:n})}}static extend(t,e){if(t._isRendered)throw new go.b("template-extend-render: Attempting to extend a template which has already been rendered.",[this,t]);!function t(e,o){o.attributes&&(e.attributes||(e.attributes={}),$l(e.attributes,o.attributes));o.eventListeners&&(e.eventListeners||(e.eventListeners={}),$l(e.eventListeners,o.eventListeners));o.text&&e.text.push(...o.text);if(o.children&&o.children.length){if(e.children.length!=o.children.length)throw new go.b("ui-template-extend-children-mismatch: The number of children in extended definition does not match.",e);let i=0;for(const n of o.children)t(e.children[i++],n)}}(t,Wl(Hl(e)))}_renderNode(t){let e;if(e=t.node?this.tag&&this.text:this.tag?this.text:!this.text,e)throw new go.b('ui-template-wrong-syntax: Node definition must have either "tag" or "text" when rendering a new Node.',this);return this.text?this._renderText(t):this._renderElement(t)}_renderElement(t){let e=t.node;return e||(e=t.node=document.createElementNS(this.ns||"http://www.w3.org/1999/xhtml",this.tag)),this._renderAttributes(t),this._renderElementChildren(t),this._setUpListeners(t),e}_renderText(t){let e=t.node;return e?t.revertData.text=e.textContent:e=t.node=document.createTextNode(""),zl(this.text)?this._bindToObservable({schema:this.text,updater:Dl(e),data:t}):e.textContent=this.text.join(""),e}_renderAttributes(t){let e,o,i,n;if(!this.attributes)return;const r=t.node,s=t.revertData;for(e in this.attributes)if(i=r.getAttribute(e),o=this.attributes[e],s&&(s.attributes[e]=i),n=z(o[0])&&o[0].ns?o[0].ns:null,zl(o)){const a=n?o[0].value:o;s&&Ql(e)&&a.unshift(i),this._bindToObservable({schema:a,updater:Ll(r,e,n),data:t})}else"style"==e&&"string"!=typeof o[0]?this._renderStyleAttribute(o[0],t):(s&&i&&Ql(e)&&o.unshift(i),o=o.map(t=>t&&t.value||t).reduce((t,e)=>t.concat(e),[]).reduce(Ul,""),Gl(o)||r.setAttributeNS(n,e,o))}_renderStyleAttribute(t,e){const o=e.node;for(const i in t){const n=t[i];zl(n)?this._bindToObservable({schema:[n],updater:jl(o,i),data:e}):o.style[i]=n}}_renderElementChildren(t){const e=t.node,o=t.intoFragment?document.createDocumentFragment():e,i=t.isApplying;let n=0;for(const r of this.children)if(Yl(r)){if(!i){r.setParent(e);for(const t of r)o.appendChild(t.element)}}else if(Kl(r))i||(r.isRendered||r.render(),o.appendChild(r.element));else if(Jn(r))o.appendChild(r);else if(i){const e={children:[],bindings:[],attributes:{}};t.revertData.children.push(e),r._renderNode({node:o.childNodes[n++],isApplying:!0,revertData:e})}else o.appendChild(r.render());t.intoFragment&&e.appendChild(o)}_setUpListeners(t){if(this.eventListeners)for(const e in this.eventListeners){const o=this.eventListeners[e].map(o=>{const[i,n]=e.split("@");return o.activateDomEventListener(i,n,t)});t.revertData&&t.revertData.bindings.push(o)}}_bindToObservable({schema:t,updater:e,data:o}){const i=o.revertData;Fl(t,e,o);const n=t.filter(t=>!Gl(t)).filter(t=>t.observable).map(i=>i.activateAttributeListener(t,e,o));i&&i.bindings.push(n)}_revertTemplateFromNode(t,e){for(const t of e.bindings)for(const e of t)e();if(e.text)t.textContent=e.text;else{for(const o in e.attributes){const i=e.attributes[o];null===i?t.removeAttribute(o):t.setAttribute(o,i)}for(let o=0;oFl(t,e,o);return this.emitter.listenTo(this.observable,"change:"+this.attribute,i),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,i)}}}class Nl extends Ml{activateDomEventListener(t,e,o){const i=(t,o)=>{e&&!o.target.matches(e)||("function"==typeof this.eventNameOrFunction?this.eventNameOrFunction(o):this.observable.fire(this.eventNameOrFunction,o))};return this.emitter.listenTo(o.node,t,i),()=>{this.emitter.stopListening(o.node,t,i)}}}class Bl extends Ml{getValue(t){return!Gl(super.getValue(t))&&(this.valueIfTrue||!0)}}function zl(t){return!!t&&(t.value&&(t=t.value),Array.isArray(t)?t.some(zl):t instanceof Ml)}function Fl(t,e,{node:o}){let i=function(t,e){return t.map(t=>t instanceof Ml?t.getValue(e):t)}(t,o);i=1==t.length&&t[0]instanceof Bl?i[0]:i.reduce(Ul,""),Gl(i)?e.remove():e.set(i)}function Dl(t){return{set(e){t.textContent=e},remove(){t.textContent=""}}}function Ll(t,e,o){return{set(i){t.setAttributeNS(o,e,i)},remove(){t.removeAttributeNS(o,e)}}}function jl(t,e){return{set(o){t.style[e]=o},remove(){t.style[e]=null}}}function Hl(t){return oo(t,t=>{if(t&&(t instanceof Ml||Jl(t)||Kl(t)||Yl(t)))return t})}function Wl(t){if("string"==typeof t?t=function(t){return{text:[t]}}(t):t.text&&function(t){Array.isArray(t.text)||(t.text=[t.text])}(t),t.on&&(t.eventListeners=function(t){for(const e in t)ql(t,e);return t}(t.on),delete t.on),!t.text){t.attributes&&function(t){for(const e in t)t[e].value&&(t[e].value=[].concat(t[e].value)),ql(t,e)}(t.attributes);const e=[];if(t.children)if(Yl(t.children))e.push(t.children);else for(const o of t.children)Jl(o)||Kl(o)||Jn(o)?e.push(o):e.push(new Ol(o));t.children=e}return t}function ql(t,e){Array.isArray(t[e])||(t[e]=[t[e]])}function Ul(t,e){return Gl(e)?t:Gl(t)?e:`${t} ${e}`}function $l(t,e){for(const o in e)t[o]?t[o].push(...e[o]):t[o]=e[o]}function Gl(t){return!t&&0!==t}function Kl(t){return t instanceof Xl}function Jl(t){return t instanceof Ol}function Yl(t){return t instanceof Vl}function Ql(t){return"class"==t||"style"==t}o(16);class Xl{constructor(t){this.element=null,this.isRendered=!1,this.locale=t,this.t=t&&t.t,this._viewCollections=new Ao,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",(e,o)=>{o.locale=t}),this.decorate("render")}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=Ol.bind(this,this)}createCollection(t){const e=new Vl(t);return this._viewCollections.add(e),e}registerChild(t){xo(t)||(t=[t]);for(const e of t)this._unboundChildren.add(e)}deregisterChild(t){xo(t)||(t=[t]);for(const e of t)this._unboundChildren.remove(e)}setTemplate(t){this.template=new Ol(t)}extendTemplate(t){Ol.extend(this.template,t)}render(){if(this.isRendered)throw new go.b("ui-view-render-already-rendered: This View has already been rendered.",this);this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map(t=>t.destroy()),this.template&&this.template._revertData&&this.template.revert(this.element)}}function Zl({element:t,target:e,positions:o,limiter:i,fitInViewport:n}){D(e)&&(e=e()),D(i)&&(i=i());const r=function(t){return t&&t.parentNode?t.offsetParent===tr.document.body?null:t.offsetParent:null}(t),s=new Zr(t),a=new Zr(e);let l,c;if(i||n){const t=function(t,e){const{elementRect:o,viewportRect:i}=e,n=o.getArea(),r=function(t,{targetRect:e,elementRect:o,limiterRect:i,viewportRect:n}){const r=[],s=o.getArea();for(const a of t){const t=tc(a,e,o);if(!t)continue;const[l,c]=t;let d=0,h=0;if(i)if(n){const t=i.getIntersection(n);t&&(d=t.getIntersectionArea(c))}else d=i.getIntersectionArea(c);n&&(h=n.getIntersectionArea(c));const u={positionName:l,positionRect:c,limiterIntersectArea:d,viewportIntersectArea:h};if(d===s)return[u];r.push(u)}return r}(t,e);if(i){const t=ec(r.filter(({viewportIntersectArea:t})=>t===n),n);if(t)return t}return ec(r,n)}(o,{targetRect:a,elementRect:s,limiterRect:i&&new Zr(i).getVisible(),viewportRect:n&&new Zr(tr.window)});[c,l]=t||tc(o[0],a,s)}else[c,l]=tc(o[0],a,s);let d=oc(l);return r&&(d=function({left:t,top:e},o){const i=oc(new Zr(o)),n=Qr(o);return t-=i.left,e-=i.top,t+=o.scrollLeft,e+=o.scrollTop,t-=n.left,e-=n.top,{left:t,top:e}}(d,r)),{left:d.left,top:d.top,name:c}}function tc(t,e,o){const i=t(e,o);if(!i)return null;const{left:n,top:r,name:s}=i;return[s,o.clone().moveTo(n,r)]}function ec(t,e){let o,i,n=0;for(const{positionName:r,positionRect:s,limiterIntersectArea:a,viewportIntersectArea:l}of t){if(a===e)return[r,s];const t=l**2+a**2;t>n&&(n=t,o=s,i=r)}return o?[i,o]:null}function oc({left:t,top:e}){const{scrollX:o,scrollY:i}=tr.window;return{left:t+o,top:e+i}}function ic(t){return e=>e+t}Co(Xl,cr),Co(Xl,Wi);o(18);const nc=ic("px"),rc=tr.document.body;class sc extends Xl{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",e.to("position",t=>"ck-balloon-panel_"+t),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("class")],style:{top:e.to("top",nc),left:e.to("left",nc)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=sc.defaultPositions,o=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:rc,fitInViewport:!0},t),i=sc._getOptimalPosition(o),n=parseInt(i.left),r=parseInt(i.top),s=i.name;Object.assign(this,{top:r,left:n,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=ac(t.target),o=t.limiter?ac(t.limiter):rc;this.listenTo(tr.document,"scroll",(i,n)=>{const r=n.target,s=e&&r.contains(e),a=o&&r.contains(o);!s&&!a&&e&&o||this.attachTo(t)},{useCapture:!0}),this.listenTo(tr.window,"resize",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(tr.document,"scroll"),this.stopListening(tr.window,"resize")}}function ac(t){return io(t)?t:Yr(t)?t.commonAncestorContainer:"function"==typeof t?ac(t()):null}function lc(t,e){return t.top-e.height-sc.arrowVerticalOffset}function cc(t){return t.bottom+sc.arrowVerticalOffset}sc.arrowHorizontalOffset=25,sc.arrowVerticalOffset=10,sc._getOptimalPosition=Zl,sc.defaultPositions={northWestArrowSouthWest:(t,e)=>({top:lc(t,e),left:t.left-sc.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthMiddleWest:(t,e)=>({top:lc(t,e),left:t.left-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_smw"}),northWestArrowSouth:(t,e)=>({top:lc(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthMiddleEast:(t,e)=>({top:lc(t,e),left:t.left-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_sme"}),northWestArrowSouthEast:(t,e)=>({top:lc(t,e),left:t.left-e.width+sc.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:lc(t,e),left:t.left+t.width/2-sc.arrowHorizontalOffset,name:"arrow_sw"}),northArrowSouthMiddleWest:(t,e)=>({top:lc(t,e),left:t.left+t.width/2-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_smw"}),northArrowSouth:(t,e)=>({top:lc(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthMiddleEast:(t,e)=>({top:lc(t,e),left:t.left+t.width/2-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_sme"}),northArrowSouthEast:(t,e)=>({top:lc(t,e),left:t.left+t.width/2-e.width+sc.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:lc(t,e),left:t.right-sc.arrowHorizontalOffset,name:"arrow_sw"}),northEastArrowSouthMiddleWest:(t,e)=>({top:lc(t,e),left:t.right-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_smw"}),northEastArrowSouth:(t,e)=>({top:lc(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthMiddleEast:(t,e)=>({top:lc(t,e),left:t.right-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_sme"}),northEastArrowSouthEast:(t,e)=>({top:lc(t,e),left:t.right-e.width+sc.arrowHorizontalOffset,name:"arrow_se"}),southWestArrowNorthWest:(t,e)=>({top:cc(t),left:t.left-sc.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthMiddleWest:(t,e)=>({top:cc(t),left:t.left-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_nmw"}),southWestArrowNorth:(t,e)=>({top:cc(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthMiddleEast:(t,e)=>({top:cc(t),left:t.left-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_nme"}),southWestArrowNorthEast:(t,e)=>({top:cc(t),left:t.left-e.width+sc.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:cc(t),left:t.left+t.width/2-sc.arrowHorizontalOffset,name:"arrow_nw"}),southArrowNorthMiddleWest:(t,e)=>({top:cc(t),left:t.left+t.width/2-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_nmw"}),southArrowNorth:(t,e)=>({top:cc(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthMiddleEast:(t,e)=>({top:cc(t),left:t.left+t.width/2-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_nme"}),southArrowNorthEast:(t,e)=>({top:cc(t),left:t.left+t.width/2-e.width+sc.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:cc(t),left:t.right-sc.arrowHorizontalOffset,name:"arrow_nw"}),southEastArrowNorthMiddleWest:(t,e)=>({top:cc(t),left:t.right-.25*e.width-sc.arrowHorizontalOffset,name:"arrow_nmw"}),southEastArrowNorth:(t,e)=>({top:cc(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthMiddleEast:(t,e)=>({top:cc(t),left:t.right-.75*e.width+sc.arrowHorizontalOffset,name:"arrow_nme"}),southEastArrowNorthEast:(t,e)=>({top:cc(t),left:t.right-e.width+sc.arrowHorizontalOffset,name:"arrow_ne"})};o(20);class dc extends Xl{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})}}o(22);class hc extends Xl{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")}]}]})}}o(24);class uc extends Xl{constructor(t){super(t);const e=this.bindTemplate,o=ho();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(o),this.iconView=new dc,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_"+o,"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 hc;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new Xl,o=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:o.to("labelStyle"),id:"ck-editor__aria-label_"+t},children:[{text:this.bindTemplate.to("label")}]}),e}_createKeystrokeView(){const t=new Xl;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",t=>kn(t))}]}),t}_getTooltipString(t,e,o){return t?"string"==typeof t?t:(o&&(o=kn(o)),t instanceof Function?t(e,o):`${e}${o?` (${o})`:""}`):""}}class gc{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 go.b("focusTracker-add-element-already-exist",this);this.listenTo(t,"focus",()=>this._focus(t),{useCapture:!0}),this.listenTo(t,"blur",()=>this._blur(),{useCapture:!0}),this._elements.add(t)}remove(t){t===this.focusedElement&&this._blur(t),this._elements.has(t)&&(this.stopListening(t),this._elements.delete(t))}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=t,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null,this.isFocused=!1},0)}}Co(gc,cr),Co(gc,Wi);o(26),o(28);const mc=ic("px");class fc extends Rl{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 sc(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 go.b("contextualballoon-add-view-exist: Cannot add configuration of the same view twice.",[this,t]);const e=t.stackId||"main";if(!this._idToStack.has(e))return this._idToStack.set(e,new Map([[t.view,t]])),this._viewToStack.set(t.view,this._idToStack.get(e)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!t.singleViewMode||this.showStack(e));const o=this._idToStack.get(e);t.singleViewMode&&this.showStack(e),o.set(t.view,t),this._viewToStack.set(t.view,o),o===this._visibleStack&&this._showView(t)}remove(t){if(!this.hasView(t))throw new go.b("contextualballoon-remove-view-not-exist: Cannot remove the configuration of a non-existent view.",[this,t]);const e=this._viewToStack.get(t);this._singleViewMode&&this.visibleView===t&&(this._singleViewMode=!1),this.visibleView===t&&(1===e.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(e.values())[e.size-2])),1===e.size?(this._idToStack.delete(this._getStackId(e)),this._numberOfStacks=this._idToStack.size):e.delete(t),this._viewToStack.delete(t)}updatePosition(t){t&&(this._visibleStack.get(this.visibleView).position=t),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(t){this.visibleStack=t;const e=this._idToStack.get(t);if(!e)throw new go.b("contextualballoon-showstack-stack-not-exist: Cannot show a stack that does not exist.",this);this._visibleStack!==e&&this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){return Array.from(this._idToStack.entries()).find(e=>e[1]===t)[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;t[e]||(e=0),this.showStack(this._getStackId(t[e]))}_showPrevStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)-1;t[e]||(e=t.length-1),this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new pc(this.editor.locale),e=this.editor.locale.t;return this.view.content.add(t),t.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>1),t.on("change:isNavigationVisible",()=>this.updatePosition(),{priority:"low"}),t.bind("counter").to(this,"visibleView",this,"_numberOfStacks",(t,o)=>{if(o<2)return"";const i=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("%0 of %1",[i,o])}),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 bc(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:o=!0,singleViewMode:i=!1}){this.view.class=e,this.view.withArrow=o,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 pc extends Xl{constructor(t){super(t);const e=t.t,o=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new gc,this.buttonPrevView=this._createButtonView(e("Previous"),''),this.buttonNextView=this._createButtonView(e("Next"),''),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",o.to("isNavigationVisible",t=>t?"":"ck-hidden")]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:o.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 o=new uc(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o}}class bc extends Xl{constructor(t,e){super(t);const o=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",o.to("numberOfPanels",t=>t?"":"ck-hidden")],style:{top:o.to("top",mc),left:o.to("left",mc),width:o.to("width",mc),height:o.to("height",mc)}},children:this.content}),this.on("change:numberOfPanels",(t,e,o,i)=>{o>i?this._addPanels(o-i):this._removePanels(i-o),this.updatePosition()})}_addPanels(t){for(;t--;){const t=new Xl;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:o,height:i}=new Zr(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:o,height:i})}}}class wc{constructor(t){if(Object.assign(this,t),t.actions&&t.keystrokeHandler)for(const e in t.actions){let o=t.actions[e];"string"==typeof o&&(o=[o]);for(const i of o)t.keystrokeHandler.set(i,(t,o)=>{this[e](),o()})}}get first(){return this.focusables.find(kc)||null}get last(){return this.focusables.filter(kc).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,o)=>{const i=e.element===this.focusTracker.focusedElement;return i&&(t=o),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,o=this.focusables.length;if(!o)return null;if(null===e)return this[1===t?"first":"last"];let i=(e+o+t)%o;do{const e=this.focusables.get(i);if(kc(e))return e;i=(i+o+t)%o}while(i!==e);return null}}function kc(t){return!(!t.focus||"none"==tr.window.getComputedStyle(t.element).display)}class _c extends Xl{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class vc{constructor(t,e){vc._observerInstance||vc._createObserver(),this._element=t,this._callback=e,vc._addElementCallback(t,e),vc._observerInstance.observe(t)}destroy(){vc._deleteElementCallback(this._element,this._callback)}static _addElementCallback(t,e){vc._elementCallbacks||(vc._elementCallbacks=new Map);let o=vc._elementCallbacks.get(t);o||(o=new Set,vc._elementCallbacks.set(t,o)),o.add(e)}static _deleteElementCallback(t,e){const o=vc._getElementCallbacks(t);o&&(o.delete(e),o.size||(vc._elementCallbacks.delete(t),vc._observerInstance.unobserve(t))),vc._elementCallbacks&&!vc._elementCallbacks.size&&(vc._observerInstance=null,vc._elementCallbacks=null)}static _getElementCallbacks(t){return vc._elementCallbacks?vc._elementCallbacks.get(t):null}static _createObserver(){let t;t="function"==typeof tr.window.ResizeObserver?tr.window.ResizeObserver:yc,vc._observerInstance=new t(t=>{for(const e of t){if(!e.target.offsetParent)continue;const t=vc._getElementCallbacks(e.target);if(t)for(const o of t)o(e)}})}}vc._observerInstance=null,vc._elementCallbacks=null;class yc{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(tr.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 Zr(t),o=this._previousRects.get(t),i=!o||!o.isEqual(e);return this._previousRects.set(t,e),i}}Co(yc,cr);class xc extends Xl{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()}}}o(30);class Cc extends Xl{constructor(t,e,o){super(t);const i=this.bindTemplate;this.buttonView=e,this.panelView=o,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("id"),this.set("panelPosition","auto"),this.keystrokes=new Al,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,o]}),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=Cc._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:o,northWest:i}=Cc.defaultPanelPositions;return"ltr"===this.locale.uiLanguageDirection?[t,e,o,i]:[e,t,i,o]}}Cc.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"})},Cc._getOptimalPosition=Zl;var Ac='';class Tc extends uc{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 dc;return t.content=Ac,t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}o(32);class Pc extends Xl{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new gc,this.keystrokes=new Al,this._focusCycler=new wc({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 Sc extends Xl{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 Ec extends Xl{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}o(34);class Rc extends uc{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 Xl;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),t}}function Ic({emitter:t,activator:e,callback:o,contextElements:i}){t.listenTo(document,"mousedown",(t,{target:n})=>{if(e()){for(const t of i)if(t.contains(n))return;o()}})}o(36),o(38);function Vc(t,e=Tc){const o=new e(t),i=new xc(t),n=new Cc(t,o,i);return o.bind("isEnabled").to(n),o instanceof Tc?o.bind("isOn").to(n,"isOpen"):o.arrowView.bind("isOn").to(n,"isOpen"),function(t){(function(t){t.on("render",()=>{Ic({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})})})(t),function(t){t.on("execute",e=>{e.source instanceof Rc||(t.isOpen=!1)})}(t),function(t){t.keystrokes.set("arrowdown",(e,o)=>{t.isOpen&&(t.panelView.focus(),o())}),t.keystrokes.set("arrowup",(e,o)=>{t.isOpen&&(t.panelView.focusLast(),o())})}(t)}(n),n}function Oc(t,e){const o=t.locale,i=t.listView=new Pc(o);i.items.bindTo(e).using(({type:t,model:e})=>{if("separator"===t)return new Ec(o);if("button"===t||"switchbutton"===t){const i=new Sc(o);let n;return n="button"===t?new uc(o):new Rc(o),n.bind(...Object.keys(e)).to(e),n.delegate("execute").to(i),i.children.add(n),i}}),t.panelView.children.add(i),i.items.delegate("execute").to(t)}o(40);class Mc extends Xl{constructor(t,e){super(t);const o=this.bindTemplate,i=this.t;var n;this.options=e||{},this.set("ariaLabel",i("Editor toolbar")),this.set("maxWidth","auto"),this.items=this.createCollection(),this.focusTracker=new gc,this.keystrokes=new Al,this.set("class"),this.set("isCompact",!1),this.itemsView=new Nc(t),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection(),this._focusCycler=new wc({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",o.to("class"),o.if("isCompact","ck-toolbar_compact")],role:"toolbar","aria-label":o.to("ariaLabel"),style:{maxWidth:o.to("maxWidth")}},children:this.children,on:{mousedown:(n=this,n.bindTemplate.to(t=>{t.target===n.element&&t.preventDefault()}))}}),this._behavior=this.options.shouldGroupWhenFull?new zc(this):new Bc(this)}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element),this._behavior.render(this)}destroy(){return this._behavior.destroy(),super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){t.map(t=>{"|"==t?this.items.add(new _c):e.has(t)?this.items.add(e.create(t)):console.warn(Object(go.a)("toolbarview-item-unavailable: The requested toolbar item is unavailable."),{name:t})})}}class Nc extends Xl{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class Bc{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 zc{constructor(t){this.viewChildren=t.children,this.viewFocusables=t.focusables,this.viewItemsView=t.itemsView,this.viewFocusTracker=t.focusTracker,this.viewLocale=t.locale,this.ungroupedItems=t.createCollection(),this.groupedItems=t.createCollection(),this.groupedItemsDropdown=this._createGroupedItemsDropdown(),this.resizeObserver=null,this.cachedPadding=null,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("add",(t,e,o)=>{o>this.ungroupedItems.length?this.groupedItems.add(e,o-this.ungroupedItems.length):this.ungroupedItems.add(e,o),this._updateGrouping()}),t.items.on("remove",(t,e,o)=>{o>this.ungroupedItems.length?this.groupedItems.remove(e):this.ungroupedItems.remove(e),this._updateGrouping()}),t.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(t){this.viewElement=t.element,this._enableGroupingOnResize(),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);let t;for(;this._areItemsOverflowing;)this._groupLastItem(),t=!0;if(!t&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const t=this.viewElement,e=this.viewLocale.uiLanguageDirection,o=new Zr(t.lastChild),i=new Zr(t);if(!this.cachedPadding){const o=tr.window.getComputedStyle(t),i="ltr"===e?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(o[i])}return"ltr"===e?o.right>i.right-this.cachedPadding:o.left{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 _c),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,o=Vc(t);return o.class="ck-toolbar__grouped-dropdown",o.panelPosition="ltr"===t.uiLanguageDirection?"sw":"se",function(t,e){const o=t.locale,i=o.t,n=t.toolbarView=new Mc(o);n.set("ariaLabel",i("Dropdown toolbar")),t.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),e.map(t=>n.items.add(t)),t.panelView.children.add(n),n.items.delegate("execute").to(t)}(o,[]),o.buttonView.set({label:e("Show more items"),tooltip:!0,icon:''}),o.toolbarView.items.bindTo(this.groupedItems).using(t=>t),o}_updateFocusCycleableItems(){this.viewFocusables.clear(),this.ungroupedItems.map(t=>{this.viewFocusables.add(t)}),this.groupedItems.length&&this.viewFocusables.add(this.groupedItemsDropdown)}}function Fc(t){return Array.isArray(t)?{items:t}:t?Object.assign({items:[]},t):{items:[]}}const Dc=ic("px");class Lc extends Rl{static get pluginName(){return"BalloonToolbar"}static get requires(){return[fc]}constructor(t){super(t),this._balloonConfig=Fc(t.config.get("balloonToolbar")),this.toolbarView=this._createToolbarView(),this.focusTracker=new gc,t.ui.once("ready",()=>{this.focusTracker.add(t.ui.getEditableElement()),this.focusTracker.add(this.toolbarView.element)}),this._resizeObserver=null,this._balloon=t.plugins.get(fc),this._fireSelectionChangeDebounced=qr(()=>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,o)=>{const i=this._balloon.visibleView===this.toolbarView;!o&&i?this.hide():o&&this.show()}),this.listenTo(e,"change:range",(t,o)=>{(o.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 vc(e,()=>{this.toolbarView.maxWidth=Dc(.9*new Zr(e).width)})})}afterInit(){const t=this.editor.ui.componentFactory;this.toolbarView.fillFromConfig(this._balloonConfig.items,t)}_createToolbarView(){const t=!this._balloonConfig.shouldNotGroupWhenFull,e=new Mc(this.editor.locale,{shouldGroupWhenFull:t});return e.extendTemplate({attributes:{class:["ck-toolbar_floating"]}}),e.render(),e}show(){const t=this.editor;this._balloon.hasView(this.toolbarView)||t.model.document.selection.isCollapsed||Array.from(this.toolbarView.items).every(t=>void 0!==t.isEnabled&&!t.isEnabled)||(this.listenTo(this.editor.ui,"update",()=>{this._balloon.updatePosition(this._getBalloonPositionData())}),this._balloon.add({view:this.toolbarView,position:this._getBalloonPositionData(),balloonClassName:"ck-toolbar-container"}))}hide(){this._balloon.hasView(this.toolbarView)&&(this.stopListening(this.editor.ui,"update"),this._balloon.remove(this.toolbarView))}_getBalloonPositionData(){const t=this.editor.editing.view,e=t.document,o=e.selection,i=e.selection.isBackward;return{target:()=>{const e=i?o.getFirstRange():o.getLastRange(),n=Zr.getDomRangeRects(t.domConverter.viewRangeToDom(e));return i?n[0]:(n.length>1&&0===n[n.length-1].width&&n.pop(),n[n.length-1])},positions:jc(i)}}destroy(){super.destroy(),this.stopListening(),this._fireSelectionChangeDebounced.cancel(),this.toolbarView.destroy(),this.focusTracker.destroy(),this._resizeObserver&&this._resizeObserver.destroy()}}function jc(t){const e=sc.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 Hc{constructor(t){this.editor=t,this._components=new Map}*names(){for(const t of this._components.values())yield t.originalName}add(t,e){if(this.has(t))throw new go.b("componentfactory-item-exists: The item already exists in the component factory.",this,{name:t});this._components.set(Wc(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new go.b("componentfactory-item-missing: The required component is not registered in the factory.",this,{name:t});return this._components.get(Wc(t)).callback(this.editor.locale)}has(t){return this._components.has(Wc(t))}}function Wc(t){return String(t).toLowerCase()}class qc{constructor(t){this.editor=t,this.componentFactory=new Hc(t),this.focusTracker=new gc,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}}Co(qc,po);o(42);const Uc=new WeakMap;function $c(t){const{view:e,element:o,text:i,isDirectHost:n=!0}=t,r=e.document;Uc.has(r)||(Uc.set(r,new Map),r.registerPostFixer(t=>Kc(r,t))),Uc.get(r).set(o,{text:i,isDirectHost:n}),e.change(t=>Kc(r,t))}function Gc(t,e){return!!e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),!0)}function Kc(t,e){const o=Uc.get(t);let i=!1;for(const[t,n]of o)Jc(e,t,n)&&(i=!0);return i}function Jc(t,e,o){const{text:i,isDirectHost:n}=o,r=n?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&&(o.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")),o=t.document;if(!o.isFocused&&e)return!0;const i=o.selection.anchor;return!(!e||!i||i.parent===t)}(r)?Gc(t,r)&&(s=!0):function(t,e){return!e.hasClass("ck-placeholder")&&(t.addClass("ck-placeholder",e),!0)}(t,r)&&(s=!0),s)}class Yc extends qc{constructor(t,e){super(t),this.view=e}get element(){return this.view.editable.element}init(){const t=this.editor,e=this.view,o=t.plugins.get("BalloonToolbar"),i=t.editing.view,n=e.editable,r=i.document.getRoot();n.name=r.rootName,e.render();const s=n.element;this.setEditableElement(n.name,s),this.focusTracker.add(s),n.bind("isFocused").to(this.focusTracker),i.attachDomRoot(s),function({origin:t,originKeystrokeHandler:e,originFocusTracker:o,toolbar:i,beforeFocus:n,afterBlur:r}){o.add(i.element),e.set("Alt+F10",(t,e)=>{o.isFocused&&!i.focusTracker.isFocused&&(n&&n(),i.focus(),e())}),i.keystrokes.set("Esc",(e,o)=>{i.focusTracker.isFocused&&(t.focus(),r&&r(),o())})}({origin:i,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:o.toolbarView,beforeFocus(){o.show()},afterBlur(){o.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,o=e.document.getRoot(),i=t.sourceElement,n=t.config.get("placeholder")||i&&"textarea"===i.tagName.toLowerCase()&&i.getAttribute("placeholder");n&&$c({view:e,element:o,text:n,isDirectHost:!1})}}var Qc=function(t){return"string"==typeof t||!Bt(t)&&p(t)&&"[object String]"==g(t)};function Xc(t,e,o={},i=[]){const n=o&&o.xmlns,r=n?t.createElementNS(n,e):t.createElement(e);for(const t in o)r.setAttribute(t,o[t]);!Qc(i)&&xo(i)||(i=[i]);for(let e of i)Qc(e)&&(e=t.createTextNode(e)),r.appendChild(e);return r}class Zc extends Vl{constructor(t,e=[]){super(e),this.locale=t}attachToDom(){this._bodyCollectionContainer=new Ol({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=Xc(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()}}o(44);class td extends Xl{constructor(t){super(t),this.body=new Zc(t)}render(){super.render(),this.body.attachToDom()}destroy(){return this.body.detachFromDom(),super.destroy()}}class ed extends Xl{constructor(t,e,o){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=o,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(o=>{const i=t.document.getRoot(e.name);o.addClass(e.isFocused?"ck-focused":"ck-blurred",i),o.removeClass(e.isFocused?"ck-blurred":"ck-focused",i)})}t.isRenderingInProgress?function o(i){t.once("change:isRenderingInProgress",(t,n,r)=>{r?o(i):e(i)})}(this):e(this)}}class od extends ed{constructor(t,e,o){super(t,e,o),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView,e=this.t;t.change(o=>{const i=t.document.getRoot(this.name);o.setAttribute("aria-label",e("Rich Text Editor, %0",[this.name]),i)})}}class id extends td{constructor(t,e,o){super(t),this.editable=new od(t,e,o)}render(){super.render(),this.registerChild(this.editable)}}function nd(t,e){t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}var rd={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};var sd={updateSourceElement(){if(!this.sourceElement)throw new go.b("editor-missing-sourceelement: Cannot update the source element of a detached editor.",this);nd(this.sourceElement,this.data.get())}};class ad extends Pl{constructor(t,e){super(e),io(t)&&(this.sourceElement=t,function(t){const e=t.sourceElement;if(e){if(e.ckeditorInstance)throw new go.b("editor-source-element-already-used: The DOM element cannot be used to create multiple editor instances.",t);e.ckeditorInstance=t,t.once("destroy",()=>{delete e.ckeditorInstance})}}(this));const o=this.config.get("plugins");o.push(Lc),this.config.set("plugins",o),this.config.define("balloonToolbar",this.config.get("toolbar")),this.data.processor=new El(this.data.viewDocument),this.model.document.createRoot();const i=new id(this.locale,this.editing.view,this.sourceElement);this.ui=new Yc(this,i),function(t){if(!D(t.updateSourceElement))throw new go.b("attachtoform-missing-elementapi-interface: Editor passed to attachToForm() must implement ElementApi.",t);const e=t.sourceElement;if(e&&"textarea"===e.tagName.toLowerCase()&&e.form){let o;const i=e.form,n=()=>t.updateSourceElement();D(i.submit)&&(o=i.submit,i.submit=()=>{n(),o.apply(i)}),i.addEventListener("submit",n),t.on("destroy",()=>{i.removeEventListener("submit",n),o&&(i.submit=o)})}}(this)}destroy(){const t=this.getData();return this.ui.destroy(),super.destroy().then(()=>{this.sourceElement&&nd(this.sourceElement,t)})}static create(t,e={}){return new Promise(o=>{const i=io(t);if(i&&"TEXTAREA"===t.tagName)throw new go.b("editor-wrong-element: This type of editor cannot be initialized inside