Ticket #1355: 1355_5.patch

editor/_source/classes/fckhtmliterator.js

@@ +1 @@
+/*
+ * 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 ==
+ *
+ * This class can be used to interate through nodes inside a range.
+ *
+ * During interation, the provided range can become invalid, due to document
+ * mutations, so CreateBookmark() used to restore it after processing, if
+ * needed.
+ */
+
+var FCKHtmlIterator = function( source )
+{
+        this._sourceHtml = source ;
+}
+FCKHtmlIterator.prototype = 
+{
+        Next : function()
+        {
+                var sourceHtml = this._sourceHtml ;
+                if ( sourceHtml == null )
+                        return null ;
+
+                var match = FCKRegexLib.HtmlTag.exec( sourceHtml ) ;
+                var isTag = false ;
+                var value = "" ;
+                if ( match )
+                {
+                        if ( match.index > 0 )
+                        {
+                                value = sourceHtml.substr( 0, match.index ) ;
+                                this._sourceHtml = sourceHtml.substr( match.index ) ;
+                        }
+                        else
+                        {
+                                isTag = true ;
+                                value = match[0] ;
+                                this._sourceHtml = sourceHtml.substr( match[0].length ) ;
+                        }
+                }
+                else
+                {
+                        value = sourceHtml ;
+                        this._sourceHtml = null ;
+                }
+                return { 'isTag' : isTag, 'value' : value } ;
+        },
+
+        Each : function( func )
+        {
+                var chunk ;
+                while ( ( chunk = this.Next() ) )
+                        func( chunk.isTag, chunk.value ) ;
+        }
+} ;

editor/_source/classes/fckstyle.js

@@ -747 +747 @@
         },
 
         /**
+         * Converting from a PRE block to a non-PRE block in formatting operations.
+         */
+        _FromPre : function( doc, block, newBlock )
+        {
+                var innerHTML = block.innerHTML ;
+
+                // Trim the first and last linebreaks immediately after and before <pre>, </pre>,
+                // if they exist.
+                // This is done because the linebreaks are not rendered.
+                innerHTML = innerHTML.replace( /(\r\n|\r)/g, '\n' ) ;
+                innerHTML = innerHTML.replace( /^[ \t]*\n/, '' ) ;
+                innerHTML = innerHTML.replace( /\n$/, '' ) ;
+
+                // 1. Convert spaces or tabs at the beginning or at the end to &nbsp;
+                innerHTML = innerHTML.replace( /^[ \t]+|[ \t]+$/g, function( match )
+                                {
+                                        return match.replace( /[ \t]/g, '&nbsp;' ) ;
+                                } ) ;
+
+                // 2. Convert \n to <BR>.
+                // 3. Convert contiguous (i.e. non-singular) spaces or tabs to &nbsp;
+                var htmlIterator = new FCKHtmlIterator( innerHTML ) ;
+                var results = [] ;
+                htmlIterator.Each( function( isTag, value )
+                        {
+                                if ( !isTag )
+                                {
+                                        value = value.replace( /\n/g, '<BR>' ) ;
+                                        value = value.replace( /[ \t]{2,}/g, 
+                                                        function ( match )
+                                                        {
+                                                                return ' ' + new Array( match.length ).join( '&nbsp;' ) ;
+                                                        } ) ;
+                                }
+                                results.push( value ) ;
+                        } ) ;
+                newBlock.innerHTML = results.join( '' ) ;
+                return newBlock ;
+        },
+
+        /**
+         * Converting from a non-PRE block to a PRE block in formatting operations.
+         */
+        _ToPre : function( doc, block, newBlock )
+        {
+                // Handle converting from a regular block to a <pre> block.
+                var innerHTML = block.innerHTML.Trim() ;
+
+                // 1. Delete ANSI whitespaces immediately before and after <BR> because they are not visible.
+                // 2. Mark down any <BR /> nodes here so they can be turned into \n in the next step and avoid being compressed.
+                innerHTML = innerHTML.replace( /[ \t\r\n]*(<br[^>]*>)[ \t\r\n]*/gi, '<BR />' ) ;
+
+                // 3. Compress other ANSI whitespaces since they're only visible as one single space previously.
+                // 4. Convert &nbsp; to spaces since &nbsp; is no longer needed in <PRE>.
+                // 5. Convert any <BR /> to \n. This must not be done earlier because the \n would then get compressed.
+                var htmlIterator = new FCKHtmlIterator( innerHTML ) ;
+                var results = [] ;
+                htmlIterator.Each( function( isTag, value )
+                        {
+                                if ( !isTag )
+                                        value = value.replace( /([ \t\n\r]+|&nbsp;)/g, ' ' ) ;
+                                else if ( isTag && value == '<BR />' )
+                                        value = '\n' ;
+                                results.push( value ) ;
+                        } ) ;
+
+                // Assigning innerHTML to <PRE> in IE causes all linebreaks to be reduced to spaces.
+                // Assigning outerHTML to <PRE> in IE doesn't work if the <PRE> isn't contained in another node
+                // since the node reference is changed after outerHTML assignment.
+                // So, we need some hacks to workaround IE bugs here.
+                if ( FCKBrowserInfo.IsIE )
+                {
+                        var temp = doc.createElement( 'div' ) ;
+                        temp.appendChild( newBlock ) ;
+                        newBlock.outerHTML = '<PRE>\n' + results.join( '' ) + '</PRE>' ;
+                        newBlock = temp.removeChild( temp.firstChild ) ;
+                }
+                else
+                        newBlock.innerHTML = results.join( '' ) ;
+                return newBlock ;
+        },
+
+        /**
          * Apply an inline style to a FCKDomRange.
          *
          * TODO
@@ -759 +842 @@
                 var bookmark ;
 
                 if ( selectIt )
-                        bookmark = range.CreateBookmark( true ) ;
+                        bookmark = range.CreateBookmark() ;
 
                 var iterator = new FCKDomRangeIterator( range ) ;
                 iterator.EnforceRealBlocks = true ;
 
                 var block ;
+                var doc = range.Window.document ;
+
                 while( ( block = iterator.GetNextParagraph() ) )                // Only one =
                 {
                         // Create the new node right before the current one.
-                        var newBlock = block.parentNode.insertBefore( this.BuildElement( range.Window.document ), block ) ;
+                        var newBlock = this.BuildElement( doc ) ;
 
                         // Move everything from the current node to the new one.
-                        FCKDomTools.MoveChildren( block, newBlock ) ;
+                        var newBlockIsPre = newBlock.nodeName.IEquals( 'pre' ) ;
+                        var blockIsPre = block.nodeName.IEquals( 'pre' ) ;
+                        if ( newBlockIsPre && !blockIsPre )
+                                newBlock = this._ToPre( doc, block, newBlock ) ;
+                        else if ( !newBlockIsPre && blockIsPre )
+                                newBlock = this._FromPre( doc, block, newBlock ) ;
+                        else    // Convering from a regular block to another regular block.
+                                FCKDomTools.MoveChildren( block, newBlock ) ;
 
-                        // Delete the current node.
+                        // Replace the current block.
+                        block.parentNode.insertBefore( newBlock, block ) ;
                         FCKDomTools.RemoveNode( block ) ;
                 }
 
@@ -782 +875 @@
                         range.SelectBookmark( bookmark ) ;
 
                 if ( updateRange )
-                        range.MoveToBookmark( range ) ;
+                        range.MoveToBookmark( bookmark ) ;
         },
 
         /**

editor/_source/internals/fckregexlib.js

@@ -93 +93 @@
 // name is returned with $2.
 StyleVariableAttName : /#\(\s*("|')(.+?)\1[^\)]*\s*\)/g,
 
-RegExp : /^\/(.*)\/([gim]*)$/
+RegExp : /^\/(.*)\/([gim]*)$/,
+
+HtmlTag : /<[^\s<>](?:"[^"]*"|'[^']*'|[^<])*>/
 } ;

editor/fckeditor.html

@@ -186 +186 @@
 LoadScript( '_source/classes/fckmenublockpanel.js' ) ;
 LoadScript( '_source/classes/fckcontextmenu.js' ) ;
 LoadScript( '_source/internals/fck_contextmenu.js' ) ;
+LoadScript( '_source/classes/fckhtmliterator.js' ) ;
 LoadScript( '_source/classes/fckplugin.js' ) ;
 LoadScript( '_source/internals/fckplugins.js' ) ;
 

fckpackager.xml

@@ -157 +157 @@
                 <File path="editor/_source/classes/fckmenublockpanel.js" />
                 <File path="editor/_source/classes/fckcontextmenu.js" />
                 <File path="editor/_source/internals/fck_contextmenu.js" />
+                <File path="editor/_source/class/fckhtmliterator.js" />
 
                 <File path="editor/_source/classes/fckplugin.js" />
                 <File path="editor/_source/internals/fckplugins.js" />
@@ -252 +253 @@
                 <File path="editor/_source/classes/fckmenublockpanel.js" />
                 <File path="editor/_source/classes/fckcontextmenu.js" />
                 <File path="editor/_source/internals/fck_contextmenu.js" />
+                <File path="editor/_source/class/fckhtmliterator.js" />
 
                 <File path="editor/_source/classes/fckplugin.js" />
                 <File path="editor/_source/internals/fckplugins.js" />