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plugin.js
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/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ CKEDITOR.plugins.add( 'listblock', { requires: 'panel', onLoad: function() { var list = CKEDITOR.addTemplate( 'panel-list', '<ul role="presentation" class="cke_panel_list">{items}</ul>' ), listItem = CKEDITOR.addTemplate( 'panel-list-item', '<li id="{id}" class="cke_panel_listItem" role=presentation>' + '<a id="{id}_option" _cke_focus=1 hidefocus=true' + ' title="{title}"' + ' draggable="false"' + ' ondragstart="return false;"' + // Draggable attribute is buggy on Firefox. ' href="javascript:void(\'{val}\')" ' + ' onclick="{onclick}CKEDITOR.tools.callFunction({clickFn},\'{val}\'); return false;"' + // https://dev.ckeditor.com/ticket/188 ' role="option">' + '{text}' + '</a>' + '</li>' ), listGroup = CKEDITOR.addTemplate( 'panel-list-group', '<h1 id="{id}" draggable="false" ondragstart="return false;" class="cke_panel_grouptitle" role="presentation" >{label}</h1>' ), reSingleQuote = /\'/g, escapeSingleQuotes = function( str ) { return str.replace( reSingleQuote, '\\\'' ); }; CKEDITOR.ui.panel.prototype.addListBlock = function( name, definition ) { return this.addBlock( name, new CKEDITOR.ui.listBlock( this.getHolderElement(), definition ) ); }; CKEDITOR.ui.listBlock = CKEDITOR.tools.createClass( { base: CKEDITOR.ui.panel.block, $: function( blockHolder, blockDefinition ) { blockDefinition = blockDefinition || {}; var attribs = blockDefinition.attributes || ( blockDefinition.attributes = {} ); ( this.multiSelect = !!blockDefinition.multiSelect ) && ( attribs[ 'aria-multiselectable' ] = true ); // Provide default role of 'listbox'. !attribs.role && ( attribs.role = 'listbox' ); // Call the base contructor. this.base.apply( this, arguments ); // Set the proper a11y attributes. this.element.setAttribute( 'role', attribs.role ); var keys = this.keys; keys[ 40 ] = 'next'; // ARROW-DOWN keys[ 9 ] = 'next'; // TAB keys[ 38 ] = 'prev'; // ARROW-UP keys[ CKEDITOR.SHIFT + 9 ] = 'prev'; // SHIFT + TAB keys[ 32 ] = CKEDITOR.env.ie ? 'mouseup' : 'click'; // SPACE CKEDITOR.env.ie && ( keys[ 13 ] = 'mouseup' ); // Manage ENTER, since onclick is blocked in IE (https://dev.ckeditor.com/ticket/8041). this._.pendingHtml = []; this._.pendingList = []; this._.items = {}; this._.groups = {}; }, _: { close: function() { if ( this._.started ) { var output = list.output( { items: this._.pendingList.join( '' ) } ); this._.pendingList = []; this._.pendingHtml.push( output ); delete this._.started; } }, getClick: function() { if ( !this._.click ) { this._.click = CKEDITOR.tools.addFunction( function( value ) { var marked = this.toggle( value ); if ( this.onClick ) this.onClick( value, marked ); }, this ); } return this._.click; } }, proto: { add: function( value, html, title ) { var id = CKEDITOR.tools.getNextId(); if ( !this._.started ) { this._.started = 1; this._.size = this._.size || 0; } this._.items[ value ] = id; var data = { id: id, val: escapeSingleQuotes( CKEDITOR.tools.htmlEncodeAttr( value ) ), // Add check for left mouse button (#2857). onclick: CKEDITOR.env.ie ? 'return false;" onmouseup="CKEDITOR.tools.getMouseButton(event)===CKEDITOR.MOUSE_BUTTON_LEFT&&' : '', clickFn: this._.getClick(), title: CKEDITOR.tools.htmlEncodeAttr( title || value ), text: html || value }; this._.pendingList.push( listItem.output( data ) ); }, startGroup: function( title ) { this._.close(); var id = CKEDITOR.tools.getNextId(); this._.groups[ title ] = id; this._.pendingHtml.push( listGroup.output( { id: id, label: title } ) ); }, commit: function() { this._.close(); this.element.appendHtml( this._.pendingHtml.join( '' ) ); delete this._.size; this._.pendingHtml = []; }, toggle: function( value ) { var isMarked = this.isMarked( value ); if ( isMarked ) this.unmark( value ); else this.mark( value ); return !isMarked; }, hideGroup: function( groupTitle ) { var group = this.element.getDocument().getById( this._.groups[ groupTitle ] ), list = group && group.getNext(); if ( group ) { group.setStyle( 'display', 'none' ); if ( list && list.getName() == 'ul' ) list.setStyle( 'display', 'none' ); } }, hideItem: function( value ) { this.element.getDocument().getById( this._.items[ value ] ).setStyle( 'display', 'none' ); }, showAll: function() { var items = this._.items, groups = this._.groups, doc = this.element.getDocument(); for ( var value in items ) { doc.getById( items[ value ] ).setStyle( 'display', '' ); } for ( var title in groups ) { var group = doc.getById( groups[ title ] ), list = group.getNext(); group.setStyle( 'display', '' ); if ( list && list.getName() == 'ul' ) list.setStyle( 'display', '' ); } }, mark: function( value ) { if ( !this.multiSelect ) this.unmarkAll(); var itemId = this._.items[ value ], item = this.element.getDocument().getById( itemId ); item.addClass( 'cke_selected' ); this.element.getDocument().getById( itemId + '_option' ).setAttribute( 'aria-selected', true ); this.onMark && this.onMark( item ); }, markFirstDisplayed: function() { var context = this; this._.markFirstDisplayed( function() { if ( !context.multiSelect ) context.unmarkAll(); } ); }, unmark: function( value ) { var doc = this.element.getDocument(), itemId = this._.items[ value ], item = doc.getById( itemId ); item.removeClass( 'cke_selected' ); doc.getById( itemId + '_option' ).removeAttribute( 'aria-selected' ); this.onUnmark && this.onUnmark( item ); }, unmarkAll: function() { var items = this._.items, doc = this.element.getDocument(); for ( var value in items ) { var itemId = items[ value ]; doc.getById( itemId ).removeClass( 'cke_selected' ); doc.getById( itemId + '_option' ).removeAttribute( 'aria-selected' ); } this.onUnmark && this.onUnmark(); }, isMarked: function( value ) { return this.element.getDocument().getById( this._.items[ value ] ).hasClass( 'cke_selected' ); }, focus: function( value ) { this._.focusIndex = -1; var links = this.element.getElementsByTag( 'a' ), link, selected, i = -1; if ( value ) { selected = this.element.getDocument().getById( this._.items[ value ] ).getFirst(); while ( ( link = links.getItem( ++i ) ) ) { if ( link.equals( selected ) ) { this._.focusIndex = i; break; } } } else { this.element.focus(); } selected && setTimeout( function() { selected.focus(); }, 0 ); } } } ); } } );