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/* |
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* FCKeditor - The text editor for Internet - http://www.fckeditor.net |
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* Copyright (C) 2003-2009 Frederico Caldeira Knabben |
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* |
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* == BEGIN LICENSE == |
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* |
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* Licensed under the terms of any of the following licenses at your |
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* choice: |
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* |
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* - GNU General Public License Version 2 or later (the "GPL") |
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* http://www.gnu.org/licenses/gpl.html |
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* |
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* - GNU Lesser General Public License Version 2.1 or later (the "LGPL") |
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* http://www.gnu.org/licenses/lgpl.html |
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* |
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* - Mozilla Public License Version 1.1 or later (the "MPL") |
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* http://www.mozilla.org/MPL/MPL-1.1.html |
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* |
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* == END LICENSE == |
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* |
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* FCKJustifyCommand Class: controls block justification. |
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*/ |
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|
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var FCKJustifyCommand = function( alignValue ) |
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{ |
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this.AlignValue = alignValue ; |
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|
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// Detect whether this is the instance for the default alignment. |
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var contentDir = FCKConfig.ContentLangDirection.toLowerCase() ; |
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this.IsDefaultAlign = ( alignValue == 'left' && contentDir == 'ltr' ) || |
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( alignValue == 'right' && contentDir == 'rtl' ) ; |
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|
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// Get the class name to be used by this instance. |
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var cssClassName = this._CssClassName = ( function() |
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{ |
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var classes = FCKConfig.JustifyClasses ; |
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if ( classes ) |
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{ |
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switch ( alignValue ) |
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{ |
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case 'left' : |
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return classes[0] || null ; |
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case 'center' : |
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return classes[1] || null ; |
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case 'right' : |
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return classes[2] || null ; |
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case 'justify' : |
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return classes[3] || null ; |
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} |
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} |
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return null ; |
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} )() ; |
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|
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if ( cssClassName && cssClassName.length > 0 ) |
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this._CssClassRegex = new RegExp( '(?:^|\\s+)' + cssClassName + '(?=$|\\s)' ) ; |
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} |
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|
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FCKJustifyCommand._GetClassNameRegex = function() |
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{ |
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var regex = FCKJustifyCommand._ClassRegex ; |
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if ( regex != undefined ) |
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return regex ; |
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|
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var names = [] ; |
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|
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var classes = FCKConfig.JustifyClasses ; |
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if ( classes ) |
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{ |
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for ( var i = 0 ; i < 4 ; i++ ) |
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{ |
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var className = classes[i] ; |
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if ( className && className.length > 0 ) |
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names.push( className ) ; |
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} |
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} |
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|
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if ( names.length > 0 ) |
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regex = new RegExp( '(?:^|\\s+)(?:' + names.join( '|' ) + ')(?=$|\\s)' ) ; |
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else |
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regex = null ; |
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|
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return FCKJustifyCommand._ClassRegex = regex ; |
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} |
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|
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FCKJustifyCommand.prototype = |
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{ |
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Execute : function() |
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{ |
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// Save an undo snapshot before doing anything. |
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FCKUndo.SaveUndoStep() ; |
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|
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var range = new FCKDomRange( FCK.EditorWindow ) ; |
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range.MoveToSelection() ; |
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|
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var currentState = this.GetState() ; |
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if ( currentState == FCK_TRISTATE_DISABLED ) |
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return ; |
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|
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// Store a bookmark of the selection since the paragraph iterator might |
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// change the DOM tree and break selections. |
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var bookmark = range.CreateBookmark() ; |
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|
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var cssClassName = this._CssClassName ; |
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|
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// Apply alignment setting for each paragraph. |
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var iterator = new FCKDomRangeIterator( range ) ; |
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var block ; |
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while ( ( block = iterator.GetNextParagraph() ) ) |
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{ |
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block.removeAttribute( 'align' ) ; |
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|
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if ( cssClassName ) |
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{ |
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// Remove the any of the alignment classes from the className. |
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var className = block.className.replace( FCKJustifyCommand._GetClassNameRegex(), '' ) ; |
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|
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// Append the desired class name. |
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if ( currentState == FCK_TRISTATE_OFF ) |
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{ |
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if ( className.length > 0 ) |
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className += ' ' ; |
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block.className = className + cssClassName ; |
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} |
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else if ( className.length == 0 ) |
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FCKDomTools.RemoveAttribute( block, 'class' ) ; |
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} |
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else |
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{ |
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var style = block.style ; |
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if ( currentState == FCK_TRISTATE_OFF ) |
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style.textAlign = this.AlignValue ; |
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else |
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{ |
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style.textAlign = '' ; |
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if ( style.cssText.length == 0 ) |
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block.removeAttribute( 'style' ) ; |
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} |
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} |
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} |
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|
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// Restore previous selection. |
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range.MoveToBookmark( bookmark ) ; |
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range.Select() ; |
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|
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FCK.Focus() ; |
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FCK.Events.FireEvent( 'OnSelectionChange' ) ; |
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}, |
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|
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GetState : function() |
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{ |
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// Disabled if not WYSIWYG. |
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if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG || ! FCK.EditorWindow ) |
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return FCK_TRISTATE_DISABLED ; |
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|
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// Retrieve the first selected block. |
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var path = new FCKElementPath( FCKSelection.GetBoundaryParentElement( true ) ) ; |
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var firstBlock = path.Block || path.BlockLimit ; |
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|
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if ( !firstBlock || firstBlock.nodeName.toLowerCase() == 'body' ) |
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return FCK_TRISTATE_OFF ; |
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|
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// Check if the desired style is already applied to the block. |
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var currentAlign ; |
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if ( FCKBrowserInfo.IsIE ) |
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currentAlign = firstBlock.currentStyle.textAlign ; |
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else |
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currentAlign = FCK.EditorWindow.getComputedStyle( firstBlock, '' ).getPropertyValue( 'text-align' ); |
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currentAlign = currentAlign.replace( /(-moz-|-webkit-|start|auto)/i, '' ); |
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if ( ( !currentAlign && this.IsDefaultAlign ) || currentAlign == this.AlignValue ) |
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return FCK_TRISTATE_ON ; |
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return FCK_TRISTATE_OFF ; |
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} |
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} ; |
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|
