242 lines
7.6 KiB
JavaScript
242 lines
7.6 KiB
JavaScript
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/**
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* @license Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
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* For licensing, see LICENSE.md or http://ckeditor.com/license
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*/
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/**
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* @fileOverview Justify commands.
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*/
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( function() {
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function getAlignment( element, useComputedState ) {
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useComputedState = useComputedState === undefined || useComputedState;
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var align;
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if ( useComputedState )
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align = element.getComputedStyle( 'text-align' );
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else {
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while ( !element.hasAttribute || !( element.hasAttribute( 'align' ) || element.getStyle( 'text-align' ) ) ) {
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var parent = element.getParent();
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if ( !parent )
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break;
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element = parent;
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}
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align = element.getStyle( 'text-align' ) || element.getAttribute( 'align' ) || '';
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}
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// Sometimes computed values doesn't tell.
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align && ( align = align.replace( /(?:-(?:moz|webkit)-)?(?:start|auto)/i, '' ) );
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!align && useComputedState && ( align = element.getComputedStyle( 'direction' ) == 'rtl' ? 'right' : 'left' );
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return align;
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}
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function justifyCommand( editor, name, value ) {
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this.editor = editor;
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this.name = name;
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this.value = value;
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this.context = 'p';
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var classes = editor.config.justifyClasses,
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blockTag = editor.config.enterMode == CKEDITOR.ENTER_P ? 'p' : 'div';
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if ( classes ) {
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switch ( value ) {
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case 'left':
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this.cssClassName = classes[ 0 ];
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break;
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case 'center':
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this.cssClassName = classes[ 1 ];
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break;
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case 'right':
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this.cssClassName = classes[ 2 ];
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break;
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case 'justify':
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this.cssClassName = classes[ 3 ];
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break;
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}
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this.cssClassRegex = new RegExp( '(?:^|\\s+)(?:' + classes.join( '|' ) + ')(?=$|\\s)' );
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this.requiredContent = blockTag + '(' + this.cssClassName + ')';
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}
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else
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this.requiredContent = blockTag + '{text-align}';
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this.allowedContent = {
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'caption div h1 h2 h3 h4 h5 h6 p pre td th li': {
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// Do not add elements, but only text-align style if element is validated by other rule.
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propertiesOnly: true,
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styles: this.cssClassName ? null : 'text-align',
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classes: this.cssClassName || null
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}
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};
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// In enter mode BR we need to allow here for div, because when non other
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// feature allows div justify is the only plugin that uses it.
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if ( editor.config.enterMode == CKEDITOR.ENTER_BR )
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this.allowedContent.div = true;
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}
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function onDirChanged( e ) {
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var editor = e.editor;
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var range = editor.createRange();
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range.setStartBefore( e.data.node );
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range.setEndAfter( e.data.node );
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var walker = new CKEDITOR.dom.walker( range ),
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node;
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while ( ( node = walker.next() ) ) {
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if ( node.type == CKEDITOR.NODE_ELEMENT ) {
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// A child with the defined dir is to be ignored.
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if ( !node.equals( e.data.node ) && node.getDirection() ) {
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range.setStartAfter( node );
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walker = new CKEDITOR.dom.walker( range );
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continue;
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}
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// Switch the alignment.
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var classes = editor.config.justifyClasses;
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if ( classes ) {
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// The left align class.
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if ( node.hasClass( classes[ 0 ] ) ) {
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node.removeClass( classes[ 0 ] );
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node.addClass( classes[ 2 ] );
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}
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// The right align class.
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else if ( node.hasClass( classes[ 2 ] ) ) {
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node.removeClass( classes[ 2 ] );
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node.addClass( classes[ 0 ] );
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}
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}
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// Always switch CSS margins.
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var style = 'text-align';
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var align = node.getStyle( style );
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if ( align == 'left' )
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node.setStyle( style, 'right' );
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else if ( align == 'right' )
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node.setStyle( style, 'left' );
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}
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}
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}
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justifyCommand.prototype = {
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exec: function( editor ) {
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var selection = editor.getSelection(),
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enterMode = editor.config.enterMode;
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if ( !selection )
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return;
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var bookmarks = selection.createBookmarks(),
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ranges = selection.getRanges();
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var cssClassName = this.cssClassName,
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iterator, block;
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var useComputedState = editor.config.useComputedState;
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useComputedState = useComputedState === undefined || useComputedState;
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for ( var i = ranges.length - 1; i >= 0; i-- ) {
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iterator = ranges[ i ].createIterator();
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iterator.enlargeBr = enterMode != CKEDITOR.ENTER_BR;
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while ( ( block = iterator.getNextParagraph( enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' ) ) ) {
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if ( block.isReadOnly() )
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continue;
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block.removeAttribute( 'align' );
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block.removeStyle( 'text-align' );
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// Remove any of the alignment classes from the className.
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var className = cssClassName && ( block.$.className = CKEDITOR.tools.ltrim( block.$.className.replace( this.cssClassRegex, '' ) ) );
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var apply = ( this.state == CKEDITOR.TRISTATE_OFF ) && ( !useComputedState || ( getAlignment( block, true ) != this.value ) );
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if ( cssClassName ) {
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// Append the desired class name.
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if ( apply )
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block.addClass( cssClassName );
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else if ( !className )
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block.removeAttribute( 'class' );
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} else if ( apply )
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block.setStyle( 'text-align', this.value );
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}
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}
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editor.focus();
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editor.forceNextSelectionCheck();
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selection.selectBookmarks( bookmarks );
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},
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refresh: function( editor, path ) {
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var firstBlock = path.block || path.blockLimit;
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this.setState( firstBlock.getName() != 'body' && getAlignment( firstBlock, this.editor.config.useComputedState ) == this.value ? CKEDITOR.TRISTATE_ON : CKEDITOR.TRISTATE_OFF );
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}
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};
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CKEDITOR.plugins.add( 'justify', {
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lang: 'af,ar,bg,bn,bs,ca,cs,cy,da,de,el,en,en-au,en-ca,en-gb,eo,es,et,eu,fa,fi,fo,fr,fr-ca,gl,gu,he,hi,hr,hu,id,is,it,ja,ka,km,ko,ku,lt,lv,mk,mn,ms,nb,nl,no,pl,pt,pt-br,ro,ru,si,sk,sl,sq,sr,sr-latn,sv,th,tr,ug,uk,vi,zh,zh-cn', // %REMOVE_LINE_CORE%
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icons: 'justifyblock,justifycenter,justifyleft,justifyright', // %REMOVE_LINE_CORE%
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hidpi: true, // %REMOVE_LINE_CORE%
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init: function( editor ) {
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if ( editor.blockless )
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return;
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var left = new justifyCommand( editor, 'justifyleft', 'left' ),
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center = new justifyCommand( editor, 'justifycenter', 'center' ),
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right = new justifyCommand( editor, 'justifyright', 'right' ),
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justify = new justifyCommand( editor, 'justifyblock', 'justify' );
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editor.addCommand( 'justifyleft', left );
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editor.addCommand( 'justifycenter', center );
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editor.addCommand( 'justifyright', right );
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editor.addCommand( 'justifyblock', justify );
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if ( editor.ui.addButton ) {
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editor.ui.addButton( 'JustifyLeft', {
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label: editor.lang.justify.left,
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command: 'justifyleft',
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toolbar: 'align,10'
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} );
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editor.ui.addButton( 'JustifyCenter', {
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label: editor.lang.justify.center,
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command: 'justifycenter',
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toolbar: 'align,20'
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} );
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editor.ui.addButton( 'JustifyRight', {
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label: editor.lang.justify.right,
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command: 'justifyright',
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toolbar: 'align,30'
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} );
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editor.ui.addButton( 'JustifyBlock', {
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label: editor.lang.justify.block,
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command: 'justifyblock',
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toolbar: 'align,40'
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} );
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}
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editor.on( 'dirChanged', onDirChanged );
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}
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} );
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} )();
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/**
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* List of classes to use for aligning the contents. If it's `null`, no classes will be used
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* and instead the corresponding CSS values will be used.
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*
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* The array should contain 4 members, in the following order: left, center, right, justify.
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*
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* // Use the classes 'AlignLeft', 'AlignCenter', 'AlignRight', 'AlignJustify'
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* config.justifyClasses = [ 'AlignLeft', 'AlignCenter', 'AlignRight', 'AlignJustify' ];
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*
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* @cfg {Array} [justifyClasses=null]
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* @member CKEDITOR.config
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*/
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