Index: trunk/kernel/include/theme.php
===================================================================
diff -u -N -r766 -r850
--- trunk/kernel/include/theme.php	(.../theme.php)	(revision 766)
+++ trunk/kernel/include/theme.php	(.../theme.php)	(revision 850)
@@ -152,10 +152,11 @@
     
     function IsWriteablePath($new_file = false)
     {
+
     	$path = $this->FullPath();
         $path = str_replace('//','/',$path);
         $ret = $new_file ? is_writable(dirname($path)): is_writable($path);
-        
+
         if(!$ret)
         {
         	$this->SetError(THEME_ERROR_1, 1);
@@ -245,8 +246,10 @@
         $f->Set(array("FilePath","FileName","ThemeId","FileType","Description"),
                 array($Path,$Name,$ThemeId,$Type,$Description));
         $f->Create();
-        if($contents!=NULL)
-            $f->SaveFileContents($contents);
+        if($contents!==NULL)
+        {
+            $f->SaveFileContents($contents,$Name);
+        }
         //echo $f->Get("FilePath")."/".$f->Get("FileName")."<br>\n";
         return $f;
     }
@@ -473,6 +476,16 @@
     	$dir = $this->ThemeDirectory();
     	if(!is_dir($dir))
     	   	mkdir($dir);
+    	if(is_dir($dir))
+    	{
+            $fp = fopen($dir.'/index.tpl',"w");
+            if($fp)
+            {
+                fwrite($fp,'');
+                fclose($fp);
+            }
+    		
+    	}
     }
     
     function Delete()
@@ -584,6 +597,7 @@
         $t->Set(array("Name","Description","Enabled","PrimaryTheme","CacheTimeout"),
                 array($Name,$Description,$Enabled,$Primary,$CacheTimeout));
         $t->Create();
+        $t->Files->ThemeId=$t->Get("ThemeId");
         if($Primary==1)
         {
           $sql = "UPDATE ".$this->SourceTable." SET PrimaryTheme=0 WHERE ThemeId != ".$t->Get("ThemeId");
@@ -595,6 +609,13 @@
     function EditTheme($ThemeId,$Name,$Description,$Enabled,$Primary, $CacheTimeout)
     {
         $t = $this->GetItem($ThemeId);
+        $oldName = $t->Get("Name");
+        if($oldName!=$Name)
+        {
+        	$dir=dirname($t->ThemeDirectory());
+        	if(!rename($dir.'/'.$oldName,$dir.'/'.$Name))
+        		$Name=$oldName;
+        }
         $t->Set(array("Name","Description","Enabled","PrimaryTheme","CacheTimeout"),
                 array($Name, $Description, $Enabled, $Primary, $CacheTimeout));
         $t->Dirty();
@@ -646,41 +667,52 @@
         $path = $pathtoroot."themes";
 
         $themes = array();
+        $HDDThemes=Array();
         if ($dir = @opendir($path))
         {          
           while (($file = readdir($dir)) !== false)
           {
               if($file !="." && $file !=".." && substr($file,0,1)!="_")
               {
-                  if(is_dir($path."/".$file))
+                  if(is_dir($path."/".$file)&&file_exists($path."/".$file.'/index.tpl'))
                   {
                       $file = strtolower($file);
                       $themes[$file]=0;
+                      $HDDThemes[]=$file;
                   }
               }
           }
         }
         closedir($dir);
+
+		$sql = 'SELECT ThemeId AS i,Name AS n FROM '.$this->SourceTable;
+		$DBThemes=Array();
+		if($rs = $this->adodbConnection->Execute($sql))
+		{
+			while(!$rs->EOF)
+			{
+				$DBThemes[$rs->fields['i']] = $fullpath.$rs->fields['n'];
+				$rs->MoveNext();          
+			}
+			$rs->Free();
+		}
+
+		$missingThemes=array_diff($HDDThemes,$DBThemes);
+		$orphanThemes=array_diff($DBThemes,$HDDThemes);
+
+		if($orphanThemes)
+		{
+			$sql = 'DELETE FROM '.$this->SourceTable.' WHERE ThemeId IN('.join(',',array_keys($orphanThemes)).')';
+			$this->adodbConnection->Execute($sql);
+			$sql = 'DELETE FROM '.GetTablePrefix().'ThemeFiles WHERE ThemeId IN('.join(',',array_keys($orphanThemes)).')';
+			$this->adodbConnection->Execute($sql);
+		}
         $this->Clear();
-        $this->Query_Item("SELECT * FROM ".$this->SourceTable);
-        foreach($this->Items as $i)
-        {
-            $n = strtolower($i->Get("Name"));
-            $themes[$n] = $i->Get("ThemeId");
-        }
-        $names = array_keys($themes);
-        for($i=0;$i<count($names);$i++)
-        {
-          $name = $names[$i];
-          $value = $themes[$name];
-          if($value==0)
-          {
-                $t = $this->AddTheme($name,"New Theme",0,0);
-                $themes[$name] = $t->Get("ThemeId");
-          }
-        }
-        $where = implode(",",array_values($themes));
-        $sql = "DELETE FROM ".$this->SourceTable." WHERE ThemeId NOT IN ($where)";
+		foreach($missingThemes as $theme)
+		{
+			$t=$this->AddTheme($theme,"New Theme",0,0);
+			$t->Files->FindMissingFiles($t->Get('Name'));
+		}
     }
 
     function CopyFromEditTable()