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/pigeoncms/Plugins/fckeditor/editor/_source/internals/fckdocumentprocessor.js

http://pigeoncms.googlecode.com/
JavaScript | 270 lines | 183 code | 34 blank | 53 comment | 42 complexity | ee071544529962550836b62d76711612 MD5 | raw file
  1/*
  2 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
  3 * Copyright (C) 2003-2009 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 * Advanced document processors.
 22 */
 23
 24var FCKDocumentProcessor = new Object() ;
 25FCKDocumentProcessor._Items = new Array() ;
 26
 27FCKDocumentProcessor.AppendNew = function()
 28{
 29	var oNewItem = new Object() ;
 30	this._Items.push( oNewItem ) ;
 31	return oNewItem ;
 32}
 33
 34FCKDocumentProcessor.Process = function( document )
 35{
 36	var bIsDirty = FCK.IsDirty() ;
 37	var oProcessor, i = 0 ;
 38	while( ( oProcessor = this._Items[i++] ) )
 39		oProcessor.ProcessDocument( document ) ;
 40	if ( !bIsDirty )
 41		FCK.ResetIsDirty() ;
 42}
 43
 44var FCKDocumentProcessor_CreateFakeImage = function( fakeClass, realElement )
 45{
 46	var oImg = FCKTools.GetElementDocument( realElement ).createElement( 'IMG' ) ;
 47	oImg.className = fakeClass ;
 48	oImg.src = FCKConfig.BasePath + 'images/spacer.gif' ;
 49	oImg.setAttribute( '_fckfakelement', 'true', 0 ) ;
 50	oImg.setAttribute( '_fckrealelement', FCKTempBin.AddElement( realElement ), 0 ) ;
 51	return oImg ;
 52}
 53
 54// Link Anchors
 55if ( FCKBrowserInfo.IsIE || FCKBrowserInfo.IsOpera )
 56{
 57	var FCKAnchorsProcessor = FCKDocumentProcessor.AppendNew() ;
 58	FCKAnchorsProcessor.ProcessDocument = function( document )
 59	{
 60		var aLinks = document.getElementsByTagName( 'A' ) ;
 61
 62		var oLink ;
 63		var i = aLinks.length - 1 ;
 64		while ( i >= 0 && ( oLink = aLinks[i--] ) )
 65		{
 66			// 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)
 67			if ( oLink.name.length > 0 )
 68			{
 69				//if the anchor has some content then we just add a temporary class
 70				if ( oLink.innerHTML !== '' )
 71				{
 72					if ( FCKBrowserInfo.IsIE )
 73						oLink.className += ' FCK__AnchorC' ;
 74				}
 75				else
 76				{
 77					var oImg = FCKDocumentProcessor_CreateFakeImage( 'FCK__Anchor', oLink.cloneNode(true) ) ;
 78					oImg.setAttribute( '_fckanchor', 'true', 0 ) ;
 79
 80					oLink.parentNode.insertBefore( oImg, oLink ) ;
 81					oLink.parentNode.removeChild( oLink ) ;
 82				}
 83			}
 84		}
 85	}
 86}
 87
 88// Page Breaks
 89var FCKPageBreaksProcessor = FCKDocumentProcessor.AppendNew() ;
 90FCKPageBreaksProcessor.ProcessDocument = function( document )
 91{
 92	var aDIVs = document.getElementsByTagName( 'DIV' ) ;
 93
 94	var eDIV ;
 95	var i = aDIVs.length - 1 ;
 96	while ( i >= 0 && ( eDIV = aDIVs[i--] ) )
 97	{
 98		if ( eDIV.style.pageBreakAfter == 'always' && eDIV.childNodes.length == 1 && eDIV.childNodes[0].style && eDIV.childNodes[0].style.display == 'none' )
 99		{
100			var oFakeImage = FCKDocumentProcessor_CreateFakeImage( 'FCK__PageBreak', eDIV.cloneNode(true) ) ;
101
102			eDIV.parentNode.insertBefore( oFakeImage, eDIV ) ;
103			eDIV.parentNode.removeChild( eDIV ) ;
104		}
105	}
106/*
107	var aCenters = document.getElementsByTagName( 'CENTER' ) ;
108
109	var oCenter ;
110	var i = aCenters.length - 1 ;
111	while ( i >= 0 && ( oCenter = aCenters[i--] ) )
112	{
113		if ( oCenter.style.pageBreakAfter == 'always' && oCenter.innerHTML.Trim().length == 0 )
114		{
115			var oFakeImage = FCKDocumentProcessor_CreateFakeImage( 'FCK__PageBreak', oCenter.cloneNode(true) ) ;
116
117			oCenter.parentNode.insertBefore( oFakeImage, oCenter ) ;
118			oCenter.parentNode.removeChild( oCenter ) ;
119		}
120	}
121*/
122}
123
124// EMBED and OBJECT tags.
125var FCKEmbedAndObjectProcessor = (function()
126{
127	var customProcessors = [] ;
128
129	var processElement = function( el )
130	{
131		var clone = el.cloneNode( true ) ;
132		var replaceElement ;
133		var fakeImg = replaceElement = FCKDocumentProcessor_CreateFakeImage( 'FCK__UnknownObject', clone ) ;
134		FCKEmbedAndObjectProcessor.RefreshView( fakeImg, el ) ;
135
136		for ( var i = 0 ; i < customProcessors.length ; i++ )
137			replaceElement = customProcessors[i]( el, replaceElement ) || replaceElement ;
138
139		if ( replaceElement != fakeImg )
140			FCKTempBin.RemoveElement( fakeImg.getAttribute( '_fckrealelement' ) ) ;
141
142		el.parentNode.replaceChild( replaceElement, el ) ;
143	}
144
145	var processElementsByName = function( elementName, doc )
146	{
147		var aObjects = doc.getElementsByTagName( elementName );
148		for ( var i = aObjects.length - 1 ; i >= 0 ; i-- )
149			processElement( aObjects[i] ) ;
150	}
151
152	var processObjectAndEmbed = function( doc )
153	{
154		processElementsByName( 'object', doc );
155		processElementsByName( 'embed', doc );
156	}
157
158	return FCKTools.Merge( FCKDocumentProcessor.AppendNew(),
159		       {
160				ProcessDocument : function( doc )
161				{
162					// Firefox 3 would sometimes throw an unknown exception while accessing EMBEDs and OBJECTs
163					// without the setTimeout().
164					if ( FCKBrowserInfo.IsGecko )
165						FCKTools.RunFunction( processObjectAndEmbed, this, [ doc ] ) ;
166					else
167						processObjectAndEmbed( doc ) ;
168				},
169
170				RefreshView : function( placeHolder, original )
171				{
172					if ( original.getAttribute( 'width' ) > 0 )
173						placeHolder.style.width = FCKTools.ConvertHtmlSizeToStyle( original.getAttribute( 'width' ) ) ;
174
175					if ( original.getAttribute( 'height' ) > 0 )
176						placeHolder.style.height = FCKTools.ConvertHtmlSizeToStyle( original.getAttribute( 'height' ) ) ;
177				},
178
179				AddCustomHandler : function( func )
180				{
181					customProcessors.push( func ) ;
182				}
183			} ) ;
184} )() ;
185
186FCK.GetRealElement = function( fakeElement )
187{
188	var e = FCKTempBin.Elements[ fakeElement.getAttribute('_fckrealelement') ] ;
189
190	if ( fakeElement.getAttribute('_fckflash') )
191	{
192		if ( fakeElement.style.width.length > 0 )
193				e.width = FCKTools.ConvertStyleSizeToHtml( fakeElement.style.width ) ;
194
195		if ( fakeElement.style.height.length > 0 )
196				e.height = FCKTools.ConvertStyleSizeToHtml( fakeElement.style.height ) ;
197	}
198
199	return e ;
200}
201
202// HR Processor.
203// This is a IE only (tricky) thing. We protect all HR tags before loading them
204// (see FCK.ProtectTags). Here we put the HRs back.
205if ( FCKBrowserInfo.IsIE )
206{
207	FCKDocumentProcessor.AppendNew().ProcessDocument = function( document )
208	{
209		var aHRs = document.getElementsByTagName( 'HR' ) ;
210
211		var eHR ;
212		var i = aHRs.length - 1 ;
213		while ( i >= 0 && ( eHR = aHRs[i--] ) )
214		{
215			// Create the replacement HR.
216			var newHR = document.createElement( 'hr' ) ;
217			newHR.mergeAttributes( eHR, true ) ;
218
219			// We must insert the new one after it. insertBefore will not work in all cases.
220			FCKDomTools.InsertAfterNode( eHR, newHR ) ;
221
222			eHR.parentNode.removeChild( eHR ) ;
223		}
224	}
225}
226
227// INPUT:hidden Processor.
228FCKDocumentProcessor.AppendNew().ProcessDocument = function( document )
229{
230	var aInputs = document.getElementsByTagName( 'INPUT' ) ;
231
232	var oInput ;
233	var i = aInputs.length - 1 ;
234	while ( i >= 0 && ( oInput = aInputs[i--] ) )
235	{
236		if ( oInput.type == 'hidden' )
237		{
238			var oImg = FCKDocumentProcessor_CreateFakeImage( 'FCK__InputHidden', oInput.cloneNode(true) ) ;
239			oImg.setAttribute( '_fckinputhidden', 'true', 0 ) ;
240
241			oInput.parentNode.insertBefore( oImg, oInput ) ;
242			oInput.parentNode.removeChild( oInput ) ;
243		}
244	}
245}
246
247// Flash handler.
248FCKEmbedAndObjectProcessor.AddCustomHandler( function( el, fakeImg )
249	{
250		if ( ! ( el.nodeName.IEquals( 'embed' ) && ( el.type == 'application/x-shockwave-flash' || /\.swf($|#|\?)/i.test( el.src ) ) ) )
251			return ;
252		fakeImg.className = 'FCK__Flash' ;
253		fakeImg.setAttribute( '_fckflash', 'true', 0 );
254	} ) ;
255
256// Buggy <span class="Apple-style-span"> tags added by Safari.
257if ( FCKBrowserInfo.IsSafari )
258{
259	FCKDocumentProcessor.AppendNew().ProcessDocument = function( doc )
260	{
261		var spans = doc.getElementsByClassName ?
262			doc.getElementsByClassName( 'Apple-style-span' ) :
263			Array.prototype.filter.call(
264					doc.getElementsByTagName( 'span' ),
265					function( item ){ return item.className == 'Apple-style-span' ; }
266					) ;
267		for ( var i = spans.length - 1 ; i >= 0 ; i-- )
268			FCKDomTools.RemoveNode( spans[i], true ) ;
269	}
270}