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 * The Data Processor is responsible for transforming the input and output data
22 * in the editor. For more info:
23 * http://dev.fckeditor.net/wiki/Components/DataProcessor
24 *
25 * The default implementation offers the base XHTML compatibility features of
26 * FCKeditor. Further Data Processors may be implemented for other purposes.
27 *
28 */
29
30var FCKDataProcessor = function()
31{}
32
33FCKDataProcessor.prototype =
34{
35	/*
36	 * Returns a string representing the HTML format of "data". The returned
37	 * value will be loaded in the editor.
38	 * The HTML must be from <html> to </html>, including <head>, <body> and
39	 * eventually the DOCTYPE.
40	 * Note: HTML comments may already be part of the data because of the
41	 * pre-processing made with ProtectedSource.
42	 *     @param {String} data The data to be converted in the
43	 *            DataProcessor specific format.
44	 */
45	ConvertToHtml : function( data )
46	{
47		// The default data processor must handle two different cases depending
48		// on the FullPage setting. Custom Data Processors will not be
49		// compatible with FullPage, much probably.
50		if ( FCKConfig.FullPage )
51		{
52			// Save the DOCTYPE.
53			FCK.DocTypeDeclaration = data.match( FCKRegexLib.DocTypeTag ) ;
54
55			// Check if the <body> tag is available.
56			if ( !FCKRegexLib.HasBodyTag.test( data ) )
57				data = '<body>' + data + '</body>' ;
58
59			// Check if the <html> tag is available.
60			if ( !FCKRegexLib.HtmlOpener.test( data ) )
61				data = '<html dir="' + FCKConfig.ContentLangDirection + '">' + data + '</html>' ;
62
63			// Check if the <head> tag is available.
64			if ( !FCKRegexLib.HeadOpener.test( data ) )
65				data = data.replace( FCKRegexLib.HtmlOpener, '$&<head><title></title></head>' ) ;
66
67			return data ;
68		}
69		else
70		{
71			var html =
72				FCKConfig.DocType +
73				'<html dir="' + FCKConfig.ContentLangDirection + '"' ;
74
75			// On IE, if you are using a DOCTYPE different of HTML 4 (like
76			// XHTML), you must force the vertical scroll to show, otherwise
77			// the horizontal one may appear when the page needs vertical scrolling.
78			// TODO : Check it with IE7 and make it IE6- if it is the case.
79			if ( FCKBrowserInfo.IsIE && FCKConfig.DocType.length > 0 && !FCKRegexLib.Html4DocType.test( FCKConfig.DocType ) )
80				html += ' style="overflow-y: scroll"' ;
81
82			html += '><head><title></title></head>' +
83				'<body' + FCKConfig.GetBodyAttributes() + '>' +
84				data +
85				'</body></html>' ;
86
87			return html ;
88		}
89	},
90
91	/*
92	 * Converts a DOM (sub-)tree to a string in the data format.
93	 *     @param {Object} rootNode The node that contains the DOM tree to be
94	 *            converted to the data format.
95	 *     @param {Boolean} excludeRoot Indicates that the root node must not
96	 *            be included in the conversion, only its children.
97	 *     @param {Boolean} format Indicates that the data must be formatted
98	 *            for human reading. Not all Data Processors may provide it.
99	 */
100	ConvertToDataFormat : function( rootNode, excludeRoot, ignoreIfEmptyParagraph, format )
101	{
102		var data = FCKXHtml.GetXHTML( rootNode, !excludeRoot, format ) ;
103
104		if ( ignoreIfEmptyParagraph && FCKRegexLib.EmptyOutParagraph.test( data ) )
105			return '' ;
106
107		return data ;
108	},
109
110	/*
111	 * Makes any necessary changes to a piece of HTML for insertion in the
112	 * editor selection position.
113	 *     @param {String} html The HTML to be fixed.
114	 */
115	FixHtml : function( html )
116	{
117		return html ;
118	}
119} ;