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- /*
- Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.html or http://ckeditor.com/license
- */
- /**
- * @file Justify commands.
- */
- (function()
- {
- function getState( editor, path )
- {
- var firstBlock = path.block || path.blockLimit;
- if ( !firstBlock || firstBlock.getName() == 'body' )
- return CKEDITOR.TRISTATE_OFF;
- return ( getAlignment( firstBlock, editor.config.useComputedState ) == this.value ) ?
- CKEDITOR.TRISTATE_ON :
- CKEDITOR.TRISTATE_OFF;
- }
- function getAlignment( element, useComputedState )
- {
- useComputedState = useComputedState === undefined || useComputedState;
- var align;
- if ( useComputedState )
- align = element.getComputedStyle( 'text-align' );
- else
- {
- while ( !element.hasAttribute || !( element.hasAttribute( 'align' ) || element.getStyle( 'text-align' ) ) )
- {
- var parent = element.getParent();
- if ( !parent )
- break;
- element = parent;
- }
- align = element.getStyle( 'text-align' ) || element.getAttribute( 'align' ) || '';
- }
- align && ( align = align.replace( /-moz-|-webkit-|start|auto/i, '' ) );
- !align && useComputedState && ( align = element.getComputedStyle( 'direction' ) == 'rtl' ? 'right' : 'left' );
- return align;
- }
- function onSelectionChange( evt )
- {
- if ( evt.editor.readOnly )
- return;
- var command = evt.editor.getCommand( this.name );
- command.state = getState.call( this, evt.editor, evt.data.path );
- command.fire( 'state' );
- }
- function justifyCommand( editor, name, value )
- {
- this.name = name;
- this.value = value;
- var classes = editor.config.justifyClasses;
- if ( classes )
- {
- switch ( value )
- {
- case 'left' :
- this.cssClassName = classes[0];
- break;
- case 'center' :
- this.cssClassName = classes[1];
- break;
- case 'right' :
- this.cssClassName = classes[2];
- break;
- case 'justify' :
- this.cssClassName = classes[3];
- break;
- }
- this.cssClassRegex = new RegExp( '(?:^|\\s+)(?:' + classes.join( '|' ) + ')(?=$|\\s)' );
- }
- }
- function onDirChanged( e )
- {
- var editor = e.editor;
- var range = new CKEDITOR.dom.range( editor.document );
- range.setStartBefore( e.data.node );
- range.setEndAfter( e.data.node );
- var walker = new CKEDITOR.dom.walker( range ),
- node;
- while ( ( node = walker.next() ) )
- {
- if ( node.type == CKEDITOR.NODE_ELEMENT )
- {
- // A child with the defined dir is to be ignored.
- if ( !node.equals( e.data.node ) && node.getDirection() )
- {
- range.setStartAfter( node );
- walker = new CKEDITOR.dom.walker( range );
- continue;
- }
- // Switch the alignment.
- var classes = editor.config.justifyClasses;
- if ( classes )
- {
- // The left align class.
- if ( node.hasClass( classes[ 0 ] ) )
- {
- node.removeClass( classes[ 0 ] );
- node.addClass( classes[ 2 ] );
- }
- // The right align class.
- else if ( node.hasClass( classes[ 2 ] ) )
- {
- node.removeClass( classes[ 2 ] );
- node.addClass( classes[ 0 ] );
- }
- }
- // Always switch CSS margins.
- var style = 'text-align';
- var align = node.getStyle( style );
- if ( align == 'left' )
- node.setStyle( style, 'right' );
- else if ( align == 'right' )
- node.setStyle( style, 'left' );
- }
- }
- }
- justifyCommand.prototype = {
- exec : function( editor )
- {
- var selection = editor.getSelection(),
- enterMode = editor.config.enterMode;
- if ( !selection )
- return;
- var bookmarks = selection.createBookmarks(),
- ranges = selection.getRanges( true );
- var cssClassName = this.cssClassName,
- iterator,
- block;
- var useComputedState = editor.config.useComputedState;
- useComputedState = useComputedState === undefined || useComputedState;
- for ( var i = ranges.length - 1 ; i >= 0 ; i-- )
- {
- iterator = ranges[ i ].createIterator();
- iterator.enlargeBr = enterMode != CKEDITOR.ENTER_BR;
- while ( ( block = iterator.getNextParagraph( enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' ) ) )
- {
- block.removeAttribute( 'align' );
- block.removeStyle( 'text-align' );
- // Remove any of the alignment classes from the className.
- var className = cssClassName && ( block.$.className =
- CKEDITOR.tools.ltrim( block.$.className.replace( this.cssClassRegex, '' ) ) );
- var apply =
- ( this.state == CKEDITOR.TRISTATE_OFF ) &&
- ( !useComputedState || ( getAlignment( block, true ) != this.value ) );
- if ( cssClassName )
- {
- // Append the desired class name.
- if ( apply )
- block.addClass( cssClassName );
- else if ( !className )
- block.removeAttribute( 'class' );
- }
- else if ( apply )
- block.setStyle( 'text-align', this.value );
- }
- }
- editor.focus();
- editor.forceNextSelectionCheck();
- selection.selectBookmarks( bookmarks );
- }
- };
- CKEDITOR.plugins.add( 'justify',
- {
- init : function( editor )
- {
- var left = new justifyCommand( editor, 'justifyleft', 'left' ),
- center = new justifyCommand( editor, 'justifycenter', 'center' ),
- right = new justifyCommand( editor, 'justifyright', 'right' ),
- justify = new justifyCommand( editor, 'justifyblock', 'justify' );
- editor.addCommand( 'justifyleft', left );
- editor.addCommand( 'justifycenter', center );
- editor.addCommand( 'justifyright', right );
- editor.addCommand( 'justifyblock', justify );
- editor.ui.addButton( 'JustifyLeft',
- {
- label : editor.lang.justify.left,
- command : 'justifyleft'
- } );
- editor.ui.addButton( 'JustifyCenter',
- {
- label : editor.lang.justify.center,
- command : 'justifycenter'
- } );
- editor.ui.addButton( 'JustifyRight',
- {
- label : editor.lang.justify.right,
- command : 'justifyright'
- } );
- editor.ui.addButton( 'JustifyBlock',
- {
- label : editor.lang.justify.block,
- command : 'justifyblock'
- } );
- editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, left ) );
- editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, right ) );
- editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, center ) );
- editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, justify ) );
- editor.on( 'dirChanged', onDirChanged );
- },
- requires : [ 'domiterator' ]
- });
- })();
- /**
- * List of classes to use for aligning the contents. If it's null, no classes will be used
- * and instead the corresponding CSS values will be used. The array should contain 4 members, in the following order: left, center, right, justify.
- * @name CKEDITOR.config.justifyClasses
- * @type Array
- * @default null
- * @example
- * // Use the classes 'AlignLeft', 'AlignCenter', 'AlignRight', 'AlignJustify'
- * config.justifyClasses = [ 'AlignLeft', 'AlignCenter', 'AlignRight', 'AlignJustify' ];
- */
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