source: branches/1.2/workflow/js/fckeditor/editor/_source/internals/fckdocumentprocessor.js @ 1349

/*
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2007 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 ==
 *
 * Advanced document processors.
 */

var FCKDocumentProcessor = new Object() ;
FCKDocumentProcessor._Items = new Array() ;

FCKDocumentProcessor.AppendNew = function()
{
        var oNewItem = new Object() ;
        this._Items.AddItem( oNewItem ) ;
        return oNewItem ;
}

FCKDocumentProcessor.Process = function( document )
{
        var oProcessor, i = 0 ;
        while( ( oProcessor = this._Items[i++] ) )
                oProcessor.ProcessDocument( document ) ;
}

var FCKDocumentProcessor_CreateFakeImage = function( fakeClass, realElement )
{
        var oImg = FCK.EditorDocument.createElement( 'IMG' ) ;
        oImg.className = fakeClass ;
        oImg.src = FCKConfig.FullBasePath + 'images/spacer.gif' ;
        oImg.setAttribute( '_fckfakelement', 'true', 0 ) ;
        oImg.setAttribute( '_fckrealelement', FCKTempBin.AddElement( realElement ), 0 ) ;
        return oImg ;
}

// Link Anchors
if ( FCKBrowserInfo.IsIE || FCKBrowserInfo.IsOpera )
{
        var FCKAnchorsProcessor = FCKDocumentProcessor.AppendNew() ;
        FCKAnchorsProcessor.ProcessDocument = function( document )
        {
                var aLinks = document.getElementsByTagName( 'A' ) ;

                var oLink ;
                var i = aLinks.length - 1 ;
                while ( i >= 0 && ( oLink = aLinks[i--] ) )
                {
                        // If it is anchor. Doesn't matter if it's also a link (even better: we show that it's both a link and an anchor)
                        if ( oLink.name.length > 0 )
                        {
                                //if the anchor has some content then we just add a temporary class
                                if ( oLink.innerHTML != '' )
                                {
                                        if ( FCKBrowserInfo.IsIE )
                                                oLink.className += ' FCK__AnchorC' ;
                                }
                                else
                                {
                                        var oImg = FCKDocumentProcessor_CreateFakeImage( 'FCK__Anchor', oLink.cloneNode(true) ) ;
                                        oImg.setAttribute( '_fckanchor', 'true', 0 ) ;

                                        oLink.parentNode.insertBefore( oImg, oLink ) ;
                                        oLink.parentNode.removeChild( oLink ) ;
                                }
                        }
                }
        }
}

// Page Breaks
var FCKPageBreaksProcessor = FCKDocumentProcessor.AppendNew() ;
FCKPageBreaksProcessor.ProcessDocument = function( document )
{
        var aDIVs = document.getElementsByTagName( 'DIV' ) ;

        var eDIV ;
        var i = aDIVs.length - 1 ;
        while ( i >= 0 && ( eDIV = aDIVs[i--] ) )
        {
                if ( eDIV.style.pageBreakAfter == 'always' && eDIV.childNodes.length == 1 && eDIV.childNodes[0].style && eDIV.childNodes[0].style.display == 'none' )
                {
                        var oFakeImage = FCKDocumentProcessor_CreateFakeImage( 'FCK__PageBreak', eDIV.cloneNode(true) ) ;

                        eDIV.parentNode.insertBefore( oFakeImage, eDIV ) ;
                        eDIV.parentNode.removeChild( eDIV ) ;
                }
        }
/*
        var aCenters = document.getElementsByTagName( 'CENTER' ) ;

        var oCenter ;
        var i = aCenters.length - 1 ;
        while ( i >= 0 && ( oCenter = aCenters[i--] ) )
        {
                if ( oCenter.style.pageBreakAfter == 'always' && oCenter.innerHTML.Trim().length == 0 )
                {
                        var oFakeImage = FCKDocumentProcessor_CreateFakeImage( 'FCK__PageBreak', oCenter.cloneNode(true) ) ;

                        oCenter.parentNode.insertBefore( oFakeImage, oCenter ) ;
                        oCenter.parentNode.removeChild( oCenter ) ;
                }
        }
*/
}

// Flash Embeds.
var FCKFlashProcessor = FCKDocumentProcessor.AppendNew() ;
FCKFlashProcessor.ProcessDocument = function( document )
{
        /*
        Sample code:
        This is some <embed src="/UserFiles/Flash/Yellow_Runners.swf"></embed><strong>sample text</strong>. You are&nbsp;<a name="fred"></a> using <a href="http://www.fckeditor.net/">FCKeditor</a>.
        */

        var aEmbeds = document.getElementsByTagName( 'EMBED' ) ;

        var oEmbed ;
        var i = aEmbeds.length - 1 ;
        while ( i >= 0 && ( oEmbed = aEmbeds[i--] ) )
        {
                // IE doesn't return the type attribute with oEmbed.type or oEmbed.getAttribute("type") 
                // But it turns out that after accessing it then it doesn't gets copied later
                var oType = oEmbed.attributes[ 'type' ] ;

                // Check the extension and the type. Now it should be enough with just the type
                // Opera doesn't return oEmbed.src so oEmbed.src.EndsWith will fail
                if ( (oEmbed.src && oEmbed.src.EndsWith( '.swf', true )) || ( oType && oType.nodeValue == 'application/x-shockwave-flash' ) )
                {
                        var oCloned = oEmbed.cloneNode( true ) ;

                        // On IE, some properties are not getting clonned properly, so we
                        // must fix it. Thanks to Alfonso Martinez.
                        if ( FCKBrowserInfo.IsIE )
                        {
                                var aAttributes = [ 'scale', 'play', 'loop', 'menu', 'wmode', 'quality' ] ;
                                for ( var iAtt = 0 ; iAtt < aAttributes.length ; iAtt++ )
                                {
                                        var oAtt = oEmbed.getAttribute( aAttributes[iAtt] ) ;
                                        if ( oAtt ) oCloned.setAttribute( aAttributes[iAtt], oAtt ) ;
                                }
                                // It magically gets lost after reading it in oType
                                oCloned.setAttribute( 'type', oType.nodeValue ) ;
                        }

                        var oImg = FCKDocumentProcessor_CreateFakeImage( 'FCK__Flash', oCloned ) ;
                        oImg.setAttribute( '_fckflash', 'true', 0 ) ;

                        FCKFlashProcessor.RefreshView( oImg, oEmbed ) ;

                        oEmbed.parentNode.insertBefore( oImg, oEmbed ) ;
                        oEmbed.parentNode.removeChild( oEmbed ) ;

//                      oEmbed.setAttribute( '_fcktemp', 'true', 0) ;
//                      oEmbed.style.display = 'none' ;
//                      oEmbed.hidden = true ;
                }
        }
}

FCKFlashProcessor.RefreshView = function( placholderImage, originalEmbed )
{
        if ( originalEmbed.width > 0 )
                placholderImage.style.width = FCKTools.ConvertHtmlSizeToStyle( originalEmbed.width ) ;

        if ( originalEmbed.height > 0 )
                placholderImage.style.height = FCKTools.ConvertHtmlSizeToStyle( originalEmbed.height ) ;
}

FCK.GetRealElement = function( fakeElement )
{
        var e = FCKTempBin.Elements[ fakeElement.getAttribute('_fckrealelement') ] ;

        if ( fakeElement.getAttribute('_fckflash') )
        {
                if ( fakeElement.style.width.length > 0 )
                                e.width = FCKTools.ConvertStyleSizeToHtml( fakeElement.style.width ) ;

                if ( fakeElement.style.height.length > 0 )
                                e.height = FCKTools.ConvertStyleSizeToHtml( fakeElement.style.height ) ;
        }

        return e ;
}

// HR Processor.
// This is a IE only (tricky) thing. We protect all HR tags before loading them
// (see FCK.ProtectTags). Here we put the HRs back.
if ( FCKBrowserInfo.IsIE )
{
        FCKDocumentProcessor.AppendNew().ProcessDocument = function( document )
        {
                var aHRs = document.getElementsByTagName( 'HR' ) ;

                var eHR ;
                var i = aHRs.length - 1 ;
                while ( i >= 0 && ( eHR = aHRs[i--] ) )
                {
                        // Create the replacement HR.
                        var newHR = document.createElement( 'hr' ) ;
                        newHR.mergeAttributes( eHR, true ) ;
                        
                        // We must insert the new one after it. insertBefore will not work in all cases.
                        FCKDomTools.InsertAfterNode( eHR, newHR ) ;

                        eHR.parentNode.removeChild( eHR ) ;
                }
        }
}

// INPUT:hidden Processor.
FCKDocumentProcessor.AppendNew().ProcessDocument = function( document )
{
        var aInputs = document.getElementsByTagName( 'INPUT' ) ;

        var oInput ;
        var i = aInputs.length - 1 ;
        while ( i >= 0 && ( oInput = aInputs[i--] ) )
        {
                if ( oInput.type == 'hidden' )
                {
                        var oImg = FCKDocumentProcessor_CreateFakeImage( 'FCK__InputHidden', oInput.cloneNode(true) ) ;
                        oImg.setAttribute( '_fckinputhidden', 'true', 0 ) ;

                        oInput.parentNode.insertBefore( oImg, oInput ) ;
                        oInput.parentNode.removeChild( oInput ) ;
                }
        }
}