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/*

 * 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: fckxhtml_ie.js

 * 	Defines the FCKXHtml object, responsible for the XHTML operations.

 * 	IE specific.

 *

 * File Authors:

 * 		Frederico Caldeira Knabben (fredck@fckeditor.net)

 */

FCKXHtml._GetMainXmlString = function()

{

	return this.MainNode.xml ;

}

FCKXHtml._AppendAttributes = function( xmlNode, htmlNode, node, nodeName )

{

	var aAttributes = htmlNode.attributes ;

	for ( var n = 0 ; n < aAttributes.length ; n++ )

	{

		var oAttribute = aAttributes[n] ;

		if ( oAttribute.specified )

		{

			var sAttName = oAttribute.nodeName.toLowerCase() ;

			var sAttValue ;

			// Ignore any attribute starting with "_fck".

			if ( sAttName.startsWith( '_fck' ) )

				continue ;

			// The following must be done because of a bug on IE regarding the style

			// attribute. It returns "null" for the nodeValue.

			else if ( sAttName == 'style' )

				sAttValue = htmlNode.style.cssText ;

			// There are two cases when the oAttribute.nodeValue must be used:

			//		- for the "class" attribute

			//		- for events attributes (on IE only).

			else if ( sAttName == 'class' || sAttName.indexOf('on') == 0 )

				sAttValue = oAttribute.nodeValue ;

			else if ( nodeName == 'body' && sAttName == 'contenteditable' )

				continue ;

			// XHTML doens't support attribute minimization like "CHECKED". It must be trasformed to cheched="checked".

			else if ( oAttribute.nodeValue === true )

				sAttValue = sAttName ;

			// We must use getAttribute to get it exactly as it is defined.

			else if ( ! (sAttValue = htmlNode.getAttribute( sAttName, 2 ) ) )

				sAttValue = oAttribute.nodeValue ;

			this._AppendAttribute( node, sAttName, sAttValue ) ;

		}

	}

}

FCKXHtml.TagProcessors['meta'] = function( node, htmlNode )

{

	var oHttpEquiv = node.attributes.getNamedItem( 'http-equiv' ) ;

	if ( oHttpEquiv == null || oHttpEquiv.value.length == 0 )

	{

		// Get the http-equiv value from the outerHTML.

		var sHttpEquiv = htmlNode.outerHTML.match( FCKRegexLib.MetaHttpEquiv ) ;

		if ( sHttpEquiv )

		{

			sHttpEquiv = sHttpEquiv[1] ;

			FCKXHtml._AppendAttribute( node, 'http-equiv', sHttpEquiv ) ;

		}

	}

	return node ;

}

// IE automaticaly changes <FONT> tags to <FONT size=+0>.

FCKXHtml.TagProcessors['font'] = function( node, htmlNode )

{

	if ( node.attributes.length == 0 )

		node = FCKXHtml.XML.createDocumentFragment() ;

	FCKXHtml._AppendChildNodes( node, htmlNode ) ;

	return node ;

}

// IE doens't see the value attribute as an attribute for the <INPUT> tag.

FCKXHtml.TagProcessors['input'] = function( node, htmlNode )

{

	if ( htmlNode.name )

		FCKXHtml._AppendAttribute( node, 'name', htmlNode.name ) ;

	if ( htmlNode.value && !node.attributes.getNamedItem( 'value' ) )

		FCKXHtml._AppendAttribute( node, 'value', htmlNode.value ) ;

	if ( !node.attributes.getNamedItem( 'type' ) )

		FCKXHtml._AppendAttribute( node, 'type', 'text' ) ;

	return node ;

}

// IE ignores the "SELECTED" attribute so we must add it manually.

FCKXHtml.TagProcessors['option'] = function( node, htmlNode )

{

	if ( htmlNode.selected && !node.attributes.getNamedItem( 'selected' ) )

		FCKXHtml._AppendAttribute( node, 'selected', 'selected' ) ;

	FCKXHtml._AppendChildNodes( node, htmlNode ) ;

	return node ;

}

// IE ignores the "COORDS" and "SHAPE" attribute so we must add it manually.

FCKXHtml.TagProcessors['area'] = function( node, htmlNode )

{

	if ( ! node.attributes.getNamedItem( 'coords' ) )

	{

		var sCoords = htmlNode.getAttribute( 'coords', 2 ) ;

		if ( sCoords && sCoords != '0,0,0' )

			FCKXHtml._AppendAttribute( node, 'coords', sCoords ) ;

	}

	if ( ! node.attributes.getNamedItem( 'shape' ) )

	{

		var sCoords = htmlNode.getAttribute( 'shape', 2 ) ;

		if ( sCoords && sCoords.length > 0 )

			FCKXHtml._AppendAttribute( node, 'shape', sCoords ) ;

	}

	return node ;

}

FCKXHtml.TagProcessors['label'] = function( node, htmlNode )

{

	if ( htmlNode.htmlFor.length > 0 )

		FCKXHtml._AppendAttribute( node, 'for', htmlNode.htmlFor ) ;

	FCKXHtml._AppendChildNodes( node, htmlNode ) ;

	return node ;

}

FCKXHtml.TagProcessors['form'] = function( node, htmlNode )

{

	if ( htmlNode.acceptCharset && htmlNode.acceptCharset.length > 0 && htmlNode.acceptCharset != 'UNKNOWN' )

		FCKXHtml._AppendAttribute( node, 'accept-charset', htmlNode.acceptCharset ) ;

	if ( htmlNode.name )

		FCKXHtml._AppendAttribute( node, 'name', htmlNode.name ) ;

	FCKXHtml._AppendChildNodes( node, htmlNode ) ;

	return node ;

}

// IE doens't hold the name attribute as an attribute for the <TEXTAREA> and <SELECT> tags.

FCKXHtml.TagProcessors['textarea'] = FCKXHtml.TagProcessors['select'] = function( node, htmlNode )

{

	if ( htmlNode.name )

		FCKXHtml._AppendAttribute( node, 'name', htmlNode.name ) ;

	FCKXHtml._AppendChildNodes( node, htmlNode ) ;

	return node ;

}

// On very rare cases, IE is loosing the "align" attribute for DIV. (right align and apply bulleted list)

FCKXHtml.TagProcessors['div'] = function( node, htmlNode )

{

	if ( htmlNode.align.length > 0 )

		FCKXHtml._AppendAttribute( node, 'align', htmlNode.align ) ;

	FCKXHtml._AppendChildNodes( node, htmlNode ) ;

	return node ;

}