source: sandbox/filemanager/tp/fckeditor/editor/_source/internals/fckxhtml_ie.js @ 1575

/*
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2009 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.removeAttribute('_fckxhtmljob') ;

        // Recurse upon child nodes.
        if ( node.hasChildNodes() )
        {
                var childNodes = node.childNodes ;
                for ( var i = childNodes.length - 1 ; i >= 0 ; i-- )
                        FCKXHtml._RemoveXHtmlJobProperties( childNodes.item(i) ) ;
        }
}

// 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 ;
}