source: trunk/admin/inc/FCKeditor/editor/_source/classes/fckstylesloader.js@ 2

/*
 * FCKeditor - The text editor for internet
 * Copyright (C) 2003-2006 Frederico Caldeira Knabben
 * 
 * Licensed under the terms of the GNU Lesser General Public License:
 *              http://www.opensource.org/licenses/lgpl-license.php
 * 
 * For further information visit:
 *              http://www.fckeditor.net/
 * 
 * "Support Open Source software. What about a donation today?"
 * 
 * File Name: fckstylesloader.js
 *      FCKStylesLoader Class: this class define objects that are responsible
 *      for loading the styles defined in the XML file.
 * 
 * File Authors:
 *              Frederico Caldeira Knabben (fredck@fckeditor.net)
 */

var FCKStylesLoader = function()
{
        this.Styles = new Object() ;
        this.StyleGroups = new Object() ;
        this.Loaded = false ;
        this.HasObjectElements = false ;
}

FCKStylesLoader.prototype.Load = function( stylesXmlUrl )
{
        // Load the XML file into a FCKXml object.
        var oXml = new FCKXml() ;
        oXml.LoadUrl( stylesXmlUrl ) ;
        
        // Get the "Style" nodes defined in the XML file.
        var aStyleNodes = oXml.SelectNodes( 'Styles/Style' ) ;
        
        // Add each style to our "Styles" collection.
        for ( var i = 0 ; i < aStyleNodes.length ; i++ )
        {
                var sElement = aStyleNodes[i].attributes.getNamedItem('element').value.toUpperCase() ;
        
                // Create the style definition object.
                var oStyleDef = new FCKStyleDef( aStyleNodes[i].attributes.getNamedItem('name').value, sElement ) ;
                
                if ( oStyleDef.IsObjectElement )
                        this.HasObjectElements = true ;
                
                // Get the attributes defined for the style (if any).
                var aAttNodes = oXml.SelectNodes( 'Attribute', aStyleNodes[i] ) ;
                
                // Add the attributes to the style definition object.
                for ( var j = 0 ; j < aAttNodes.length ; j++ )
                {
                        var sAttName    = aAttNodes[j].attributes.getNamedItem('name').value ;
                        var sAttValue   = aAttNodes[j].attributes.getNamedItem('value').value ;

                        // IE changes the "style" attribute value when applied to an element
                        // so we must get the final resulting value (for comparision issues).
                        if ( sAttName.toLowerCase() == 'style' )
                        {
                                var oTempE = document.createElement( 'SPAN' ) ;
                                oTempE.style.cssText = sAttValue ;
                                sAttValue = oTempE.style.cssText ;
                        }
                        
                        oStyleDef.AddAttribute( sAttName, sAttValue ) ;
                }

                // Add the style to the "Styles" collection using it's name as the key.
                this.Styles[ oStyleDef.Name ] = oStyleDef ;
                
                // Add the style to the "StyleGroups" collection.
                var aGroup = this.StyleGroups[sElement] ;
                if ( aGroup == null )
                {
                        this.StyleGroups[sElement] = new Array() ;
                        aGroup = this.StyleGroups[sElement] ;
                }
                aGroup[aGroup.length] = oStyleDef ;
        }
        
        this.Loaded = true ;
}