text: ﻿/*
   * FCKeditor - The text editor for Internet - http://www.fckeditor.net
   * Copyright (C) 2003-2010 Frederico Caldeira Knabben
   *
   * == BEGIN LICENSE ==
   *
   * Licensed under the terms of any of the following licenses at your
   * choice:
   *
   *  - GNU General Public License Version 2 or later (the "GPL")
   *    http://www.gnu.org/licenses/gpl.html
   *
   *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
   *    http://www.gnu.org/licenses/lgpl.html
   *
   *  - Mozilla Public License Version 1.1 or later (the "MPL")
   *    http://www.mozilla.org/MPL/MPL-1.1.html
   *
   * == END LICENSE ==
   *
   * Defines the FCKXHtml object, responsible for the XHTML operations.
   * IE specific.
   */
  
  FCKXHtml._GetMainXmlString = function()
  {
  	return this.MainNode.xml ;
  }
  
  FCKXHtml._AppendAttributes = function( xmlNode, htmlNode, node, nodeName )
  {
  	var aAttributes = htmlNode.attributes,
  		bHasStyle ;
  
  	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' )
  			{
  				// Just mark it to do it later in this function.
  				bHasStyle = true ;
  				continue ;
  			}
  			// 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' )
  			{
  				sAttValue = oAttribute.nodeValue.replace( FCKRegexLib.FCK_Class, '' ) ;
  				if ( sAttValue.length == 0 )
  					continue ;
  			}
  			else if ( 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 transformed to checked="checked".
  			else if ( oAttribute.nodeValue === true )
  				sAttValue = sAttName ;
  			else
  			{
  				// We must use getAttribute to get it exactly as it is defined.
  				// There are some rare cases that IE throws an error here, so we must try/catch.
  				try
  				{
  					sAttValue = htmlNode.getAttribute( sAttName, 2 ) ;
  				}
  				catch (e) {}
  			}
  			this._AppendAttribute( node, sAttName, sAttValue || oAttribute.nodeValue ) ;
  		}
  	}
  
  	// IE loses the style attribute in JavaScript-created elements tags. (#2390)
  	if ( bHasStyle || htmlNode.style.cssText.length > 0 )
  	{
  		var data = FCKTools.ProtectFormStyles( htmlNode ) ;
  		var sStyleValue = htmlNode.style.cssText.replace( FCKRegexLib.StyleProperties, FCKTools.ToLowerCase ) ;
  		FCKTools.RestoreFormStyles( htmlNode, data ) ;
  		this._AppendAttribute( node, 'style', sStyleValue ) ;
  	}
  }
  
  /**
   * Used to clean up HTML that has been processed FCKXHtml._AppendNode().
   *
   * For objects corresponding to HTML elements, Internet Explorer will
   * treat a property as if it were an attribute set on that element.
   *
   * http://msdn.microsoft.com/en-us/library/ms533026(VS.85).aspx#Accessing_Element_Pr
   *
   * FCKXHtml._AppendNode() sets the property _fckxhtmljob on node objects
   * corresponding HTML elements to mark them as having been processed.
   * Counting these properties as attributes will cripple style removal
   * because FCK.Styles.RemoveFromSelection() will not remove an element
   * as long as it still has attributes.
   *
   * refs #2156 and #2834
   */
  
  FCKXHtml._RemoveXHtmlJobProperties = function ( node )
  {
  	// Select only nodes of type ELEMENT_NODE
  	if (!node || !node.nodeType || node.nodeType != 1)
  		return ;
  
  	// Clear the _fckhtmljob attribute.
  	if ( typeof node._fckxhtmljob == 'undefined' && node.tagName !== 'BODY')
  		return;
  
  	node.removeAttribute('_fckxhtmljob') ;
  	// Recurse upon child nodes.
  	if ( node.hasChildNodes() )
  	{
  		var childNodes = node.childNodes ;
  		for ( var i = childNodes.length - 1 ; i >= 0 ; i-- )
  		{
  			var child = childNodes[i];
  			// Funny IE. #4642. It say that it has child nodes but their parent is not this node. Skip them
  			if (child.parentNode == node)
  				FCKXHtml._RemoveXHtmlJobProperties( child ) ;
  		}
  	}
  }
  
  // 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 ) ;
  
  	node = FCKXHtml._AppendChildNodes( node, htmlNode, true ) ;
  
  	return node ;
  }
  
  // IE automatically changes <FONT> tags to <FONT size=+0>.
  FCKXHtml.TagProcessors['font'] = function( node, htmlNode )
  {
  	if ( node.attributes.length == 0 )
  		node = FCKXHtml.XML.createDocumentFragment() ;
  
  	node = 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 ) ;
  
  	// IE has a bug and htmlNode.attributes['name'].specified=false if there is
  	// no element with id="name" inside the form (#360 and SF-BUG-1155726).
  	var nameAtt = htmlNode.attributes['name'] ;
  
  	if ( nameAtt && nameAtt.value.length > 0 )
  		FCKXHtml._AppendAttribute( node, 'name', nameAtt.value ) ;
  
  	node = FCKXHtml._AppendChildNodes( node, htmlNode, true ) ;
  
  	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 ;
  }
  
  FCKXHtml.TagProcessors['label'] = function( node, htmlNode )
  {
  	if ( htmlNode.htmlFor.length > 0 )
  		FCKXHtml._AppendAttribute( node, 'for', htmlNode.htmlFor ) ;
  
  	node = FCKXHtml._AppendChildNodes( node, htmlNode ) ;
  
  	return node ;
  }
  
  // Fix behavior for IE, it doesn't read back the .name on newly created maps
  FCKXHtml.TagProcessors['map'] = function( node, htmlNode )
  {
  	if ( ! node.attributes.getNamedItem( 'name' ) )
  	{
  		var name = htmlNode.name ;
  		if ( name )
  			FCKXHtml._AppendAttribute( node, 'name', name ) ;
  	}
  
  	node = FCKXHtml._AppendChildNodes( node, htmlNode, true ) ;
  
  	return node ;
  }
  
  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 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' ) ;
  
  	node = 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 ) ;
  
  	node = FCKXHtml._AppendChildNodes( node, htmlNode ) ;
  
  	return node ;
  }
  