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All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license - */class du extends Rd{static get pluginName(){return"Input"}init(){const e=this.editor,t=new nu(e,e.config.get("typing.undoStep")||20);e.commands.add("input",t),function(e){let t=null;const n=e.model,i=e.editing.view,o=e.commands.get("input");function r(e){const r=n.document,a=i.document.isComposing,c=t&&t.isEqual(r.selection);t=null,o.isEnabled&&(ou(e)||r.selection.isCollapsed||a&&229===e.keyCode||!a&&229===e.keyCode&&c||s())}function s(){const e=o.buffer;e.lock();const t=e.batch;o._batches.add(t),n.enqueueChange(t,(()=>{n.deleteContent(n.document.selection)})),e.unlock()}yo.isAndroid?i.document.on("beforeinput",((e,t)=>r(t)),{priority:"lowest"}):i.document.on("keydown",((e,t)=>r(t)),{priority:"lowest"}),i.document.on("compositionstart",(function(){const e=n.document,t=1!==e.selection.rangeCount||e.selection.getFirstRange().isFlat;e.selection.isCollapsed||t||s()}),{priority:"lowest"}),i.document.on("compositionend",(()=>{t=n.createSelection(n.document.selection)}),{priority:"lowest"})}(e),function(e){e.editing.view.document.on("mutations",((t,n,i)=>{new au(e).handle(n,i)}))}(e)}isInput(e){return this.editor.commands.get("input")._batches.has(e)}} + */function*qu(e,t){for(const n of t)n&&e.getAttributeProperties(n[0]).copyOnEnter&&(yield n)} /** * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license - */class uu extends Fd{constructor(e,t){super(e),this.direction=t,this._buffer=new tu(e.model,e.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(e={}){const t=this.editor.model,n=t.document;t.enqueueChange(this._buffer.batch,(i=>{this._buffer.lock();const o=i.createSelection(e.selection||n.selection),r=e.sequence||1,s=o.isCollapsed;if(o.isCollapsed&&t.modifySelection(o,{direction:this.direction,unit:e.unit}),this._shouldEntireContentBeReplacedWithParagraph(r))return void this._replaceEntireContentWithParagraph(i);if(this._shouldReplaceFirstBlockWithParagraph(o,r))return void this.editor.execute("paragraph",{selection:o});if(o.isCollapsed)return;let a=0;o.getFirstRange().getMinimalFlatRanges().forEach((e=>{a+=ho(e.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))})),t.deleteContent(o,{doNotResetEntireContent:s,direction:this.direction}),this._buffer.input(a),i.setSelection(o),this._buffer.unlock()}))}_shouldEntireContentBeReplacedWithParagraph(e){if(e>1)return!1;const t=this.editor.model,n=t.document.selection,i=t.schema.getLimitElement(n);if(!(n.isCollapsed&&n.containsEntireContent(i)))return!1;if(!t.schema.checkChild(i,"paragraph"))return!1;const o=i.getChild(0);return!o||"paragraph"!==o.name}_replaceEntireContentWithParagraph(e){const t=this.editor.model,n=t.document.selection,i=t.schema.getLimitElement(n),o=e.createElement("paragraph");e.remove(e.createRangeIn(i)),e.insert(o,i),e.setSelection(o,0)}_shouldReplaceFirstBlockWithParagraph(e,t){const n=this.editor.model;if(t>1||"backward"!=this.direction)return!1;if(!e.isCollapsed)return!1;const i=e.getFirstPosition(),o=n.schema.getLimitElement(i),r=o.getChild(0);return i.parent==r&&(!!e.containsEntireContent(r)&&(!!n.schema.checkChild(o,"paragraph")&&"paragraph"!=r.name))}} + */class Wu extends Ze{execute(){const e=this.editor.model,t=e.document;e.change((n=>{!function(e,t,n,i){const o=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(i.isLimit(s)||i.isLimit(a))return void(o||s!=a||e.deleteContent(n));if(o){const e=qu(t.model.schema,n.getAttributes());Uu(t,r.start),t.setSelectionAttribute(e)}else{const i=!(r.start.isAtStart&&r.end.isAtEnd),o=s==a;e.deleteContent(n,{leaveUnmerged:i}),i&&(o?Uu(t,n.focus):t.setSelection(a,0))}}(this.editor.model,n,t.selection,e.schema),this.fire("afterExecute",{writer:n})}))}}function Uu(e,t){e.split(t),e.setSelection(t.parent.nextSibling,0)} /** * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license - */class hu extends Pr{constructor(e){super(e);const t=e.document;let n=0;function i(e,n,i){let o;t.once("delete",(e=>o=e),{priority:Number.POSITIVE_INFINITY}),t.fire("delete",new Xr(t,n,i)),o&&o.stop.called&&e.stop()}t.on("keyup",((e,t)=>{t.keyCode!=Ao.delete&&t.keyCode!=Ao.backspace||(n=0)})),t.on("keydown",((e,t)=>{const o={};if(t.keyCode==Ao.delete)o.direction="forward",o.unit="character";else{if(t.keyCode!=Ao.backspace)return;o.direction="backward",o.unit="codePoint"}const r=yo.isMac?t.altKey:t.ctrlKey;o.unit=r?"word":o.unit,o.sequence=++n,i(e,t.domEvent,o)})),yo.isAndroid&&t.on("beforeinput",((t,n)=>{if("deleteContentBackward"!=n.domEvent.inputType)return;const o={unit:"codepoint",direction:"backward",sequence:1},r=n.domTarget.ownerDocument.defaultView.getSelection();r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset&&(o.selectionToRemove=e.domConverter.domSelectionToView(r)),i(t,n.domEvent,o)}))}observe(){}} + */class Ku extends Lr{constructor(e){super(e);const t=this.document;t.on("keydown",((e,n)=>{if(this.isEnabled&&n.keyCode==Fo.enter){const i=new yo(t,"enter",t.selection.getFirstRange());t.fire(i,new ls(t,n.domEvent,{isSoft:n.shiftKey})),i.stop.called&&e.stop()}}))}observe(){}} /** * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license - */class fu extends Rd{static get pluginName(){return"Delete"}init(){const e=this.editor,t=e.editing.view,n=t.document;if(t.addObserver(hu),e.commands.add("forwardDelete",new uu(e,"forward")),e.commands.add("delete",new uu(e,"backward")),this.listenTo(n,"delete",((n,i)=>{const o={unit:i.unit,sequence:i.sequence};if(i.selectionToRemove){const t=e.model.createSelection(),n=[];for(const t of i.selectionToRemove.getRanges())n.push(e.editing.mapper.toModelRange(t));t.setTo(n),o.selection=t}e.execute("forward"==i.direction?"forwardDelete":"delete",o),i.preventDefault(),t.scrollToTheSelection()})),yo.isAndroid){let e=null;this.listenTo(n,"delete",((t,n)=>{const i=n.domTarget.ownerDocument.defaultView.getSelection();e={anchorNode:i.anchorNode,anchorOffset:i.anchorOffset,focusNode:i.focusNode,focusOffset:i.focusOffset}}),{priority:"lowest"}),this.listenTo(n,"keyup",((t,n)=>{if(e){const t=n.domTarget.ownerDocument.defaultView.getSelection();t.collapse(e.anchorNode,e.anchorOffset),t.extend(e.focusNode,e.focusOffset),e=null}}))}}} + */class Gu extends Qe{static get pluginName(){return"Enter"}init(){const e=this.editor,t=e.editing.view,n=t.document;t.addObserver(Ku),e.commands.add("enter",new Wu(e)),this.listenTo(n,"enter",((n,i)=>{i.preventDefault(),i.isSoft||(e.execute("enter"),t.scrollToTheSelection())}),{priority:"low"})}} /** * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license - */class gu extends Rd{static get requires(){return[du,fu]}static get pluginName(){return"Typing"}} + */class Ju{constructor(e,t=20){this.model=e,this.size=0,this.limit=t,this.isLocked=!1,this._changeCallback=(e,t)=>{"transparent"!=t.type&&t!==this._batch&&this._reset(!0)},this._selectionChangeCallback=()=>{this._reset()},this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch()),this._batch}input(e){this.size+=e,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(e){this.isLocked&&!e||(this._batch=null,this.size=0)}} /** * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license - */const pu=new Map;function mu(e,t,n){let i=pu.get(e);i||(i=new Map,pu.set(e,i)),i.set(t,n)}function bu(e){return[e]}function ku(e,t,n={}){const i=function(e,t){const n=pu.get(e);return n&&n.has(t)?n.get(t):bu}(e.constructor,t.constructor);try{return i(e=e.clone(),t,n)}catch(e){throw e}}function wu(e,t,n){e=e.slice(),t=t.slice();const i=new _u(n.document,n.useRelations,n.forceWeakRemove);i.setOriginalOperations(e),i.setOriginalOperations(t);const o=i.originalOperations;if(0==e.length||0==t.length)return{operationsA:e,operationsB:t,originalOperations:o};const r=new WeakMap;for(const t of e)r.set(t,0);const s={nextBaseVersionA:e[e.length-1].baseVersion+1,nextBaseVersionB:t[t.length-1].baseVersion+1,originalOperationsACount:e.length,originalOperationsBCount:t.length};let a=0;for(;a