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+/**
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+ * @license Copyright (c) 2003-2015, 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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+/**
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+ * @fileOverview Justify commands.
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+ */
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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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+
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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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+
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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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+
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+ !align && useComputedState && ( align = element.getComputedStyle( 'direction' ) == 'rtl' ? 'right' : 'left' );
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+
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+ return align;
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+ }
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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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+
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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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+
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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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+
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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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+ }
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+
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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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+
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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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+
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+ function onDirChanged( e ) {
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+ var editor = e.editor;
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+
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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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+
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+ var walker = new CKEDITOR.dom.walker( range ),
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+ node;
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+
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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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+
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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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+
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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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+
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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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+
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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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+
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+ if ( !selection )
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+ return;
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+
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+ var bookmarks = selection.createBookmarks(),
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+ ranges = selection.getRanges();
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+
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+ var cssClassName = this.cssClassName,
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+ iterator, block;
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+
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+ var useComputedState = editor.config.useComputedState;
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+ useComputedState = useComputedState === undefined || useComputedState;
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+
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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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+
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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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+
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+ block.removeAttribute( 'align' );
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+ block.removeStyle( 'text-align' );
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+
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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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+
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+ var apply = ( this.state == CKEDITOR.TRISTATE_OFF ) && ( !useComputedState || ( getAlignment( block, true ) != this.value ) );
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+
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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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+
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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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+
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+ refresh: function( editor, path ) {
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+ var firstBlock = path.block || path.blockLimit;
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+
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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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+
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+ CKEDITOR.plugins.add( 'justify', {
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+ // jscs:disable maximumLineLength
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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,tt,ug,uk,vi,zh,zh-cn', // %REMOVE_LINE_CORE%
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+ // jscs:enable maximumLineLength
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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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+
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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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+
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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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+
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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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+
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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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+/**
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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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