1/*
2 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
3 * Copyright (C) 2003-2007 Frederico Caldeira Knabben
4 *
5 * == BEGIN LICENSE ==
6 *
7 * Licensed under the terms of any of the following licenses at your
8 * choice:
9 *
10 *  - GNU General Public License Version 2 or later (the "GPL")
11 *    http://www.gnu.org/licenses/gpl.html
12 *
13 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
14 *    http://www.gnu.org/licenses/lgpl.html
15 *
16 *  - Mozilla Public License Version 1.1 or later (the "MPL")
17 *    http://www.mozilla.org/MPL/MPL-1.1.html
18 *
19 * == END LICENSE ==
20 *
21 * FCKStylesLoader Class: this class define objects that are responsible
22 * for loading the styles defined in the XML file.
23 */
24
25var FCKStylesLoader = function()
26{
27	this.Styles = new Object() ;
28	this.StyleGroups = new Object() ;
29	this.Loaded = false ;
30	this.HasObjectElements = false ;
31}
32
33FCKStylesLoader.prototype.Load = function( stylesXmlUrl )
34{
35	// Load the XML file into a FCKXml object.
36	var oXml = new FCKXml() ;
37	oXml.LoadUrl( stylesXmlUrl ) ;
38
39	// Get the "Style" nodes defined in the XML file.
40	var aStyleNodes = oXml.SelectNodes( 'Styles/Style' ) ;
41
42	// Add each style to our "Styles" collection.
43	for ( var i = 0 ; i < aStyleNodes.length ; i++ )
44	{
45		var sElement = aStyleNodes[i].attributes.getNamedItem('element').value.toUpperCase() ;
46
47		// Create the style definition object.
48		var oStyleDef = new FCKStyleDef( aStyleNodes[i].attributes.getNamedItem('name').value, sElement ) ;
49
50		if ( oStyleDef.IsObjectElement )
51			this.HasObjectElements = true ;
52
53		// Get the attributes defined for the style (if any).
54		var aAttNodes = oXml.SelectNodes( 'Attribute', aStyleNodes[i] ) ;
55
56		// Add the attributes to the style definition object.
57		for ( var j = 0 ; j < aAttNodes.length ; j++ )
58		{
59			var sAttName	= aAttNodes[j].attributes.getNamedItem('name').value ;
60			var sAttValue	= aAttNodes[j].attributes.getNamedItem('value').value ;
61
62			// IE changes the "style" attribute value when applied to an element
63			// so we must get the final resulting value (for comparision issues).
64			if ( sAttName.toLowerCase() == 'style' )
65			{
66				var oTempE = document.createElement( 'SPAN' ) ;
67				oTempE.style.cssText = sAttValue ;
68				sAttValue = oTempE.style.cssText ;
69			}
70
71			oStyleDef.AddAttribute( sAttName, sAttValue ) ;
72		}
73
74		// Add the style to the "Styles" collection using it's name as the key.
75		this.Styles[ oStyleDef.Name ] = oStyleDef ;
76
77		// Add the style to the "StyleGroups" collection.
78		var aGroup = this.StyleGroups[sElement] ;
79		if ( aGroup == null )
80		{
81			this.StyleGroups[sElement] = new Array() ;
82			aGroup = this.StyleGroups[sElement] ;
83		}
84		aGroup[aGroup.length] = oStyleDef ;
85	}
86
87	this.Loaded = true ;
88}