mirror of
https://github.com/moparisthebest/mailiverse
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252 lines
6.9 KiB
JavaScript
252 lines
6.9 KiB
JavaScript
/*
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Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
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For licensing, see LICENSE.html or http://ckeditor.com/license
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*/
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/**
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* @file Justify commands.
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*/
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(function()
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{
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function getAlignment( element, useComputedState )
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{
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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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{
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while ( !element.hasAttribute || !( element.hasAttribute( 'align' ) || element.getStyle( 'text-align' ) ) )
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{
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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 onSelectionChange( evt )
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{
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if ( evt.editor.readOnly )
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return;
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evt.editor.getCommand( this.name ).refresh( evt.data.path );
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}
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function justifyCommand( editor, name, value )
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{
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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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var classes = editor.config.justifyClasses;
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if ( classes )
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{
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switch ( value )
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{
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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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}
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}
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function onDirChanged( e )
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{
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var editor = e.editor;
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var range = new CKEDITOR.dom.range( editor.document );
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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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{
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if ( node.type == CKEDITOR.NODE_ELEMENT )
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{
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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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{
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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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{
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// The left align class.
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if ( node.hasClass( classes[ 0 ] ) )
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{
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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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{
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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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{
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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( true );
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var cssClassName = this.cssClassName,
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iterator,
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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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{
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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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{
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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 =
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CKEDITOR.tools.ltrim( block.$.className.replace( this.cssClassRegex, '' ) ) );
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var apply =
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( this.state == CKEDITOR.TRISTATE_OFF ) &&
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( !useComputedState || ( getAlignment( block, true ) != this.value ) );
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if ( cssClassName )
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{
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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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}
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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( path )
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{
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var firstBlock = path.block || path.blockLimit;
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this.setState( firstBlock.getName() != 'body' &&
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getAlignment( firstBlock, this.editor.config.useComputedState ) == this.value ?
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CKEDITOR.TRISTATE_ON :
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CKEDITOR.TRISTATE_OFF );
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}
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};
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CKEDITOR.plugins.add( 'justify',
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{
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init : function( editor )
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{
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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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editor.ui.addButton( 'JustifyLeft',
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{
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label : editor.lang.justify.left,
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command : 'justifyleft'
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} );
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editor.ui.addButton( 'JustifyCenter',
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{
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label : editor.lang.justify.center,
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command : 'justifycenter'
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} );
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editor.ui.addButton( 'JustifyRight',
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{
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label : editor.lang.justify.right,
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command : 'justifyright'
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} );
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editor.ui.addButton( 'JustifyBlock',
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{
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label : editor.lang.justify.block,
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command : 'justifyblock'
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} );
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editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, left ) );
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editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, right ) );
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editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, center ) );
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editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, justify ) );
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editor.on( 'dirChanged', onDirChanged );
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},
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requires : [ 'domiterator' ]
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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. The array should contain 4 members, in the following order: left, center, right, justify.
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* @name CKEDITOR.config.justifyClasses
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* @type Array
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* @default null
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* @example
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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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