--- versionedFile/extVersionedFile.py	2008/10/07 06:53:45	1.28
+++ versionedFile/extVersionedFile.py	2009/06/05 07:32:17	1.31
@@ -631,7 +631,11 @@ class extVersionedFileObject(ExtFile):
         #logging.debug("+++++++getData1:"+repr(self.get_filename()))
         filename = self.get_filename()
         #return ExtFile.index_html(self)
-        return file(filename).read()
+        try:
+            return file(filename).read()
+        except:
+            return ExtFile.index_html(self)
+
     
     def getFileName(self):
         """return filename"""
@@ -1014,7 +1018,20 @@ class extVersionedFile(CatalogAware,Fold
         #return "File: %s Version:%i modified:%s size:%s modified by:%s"%(self.title,lastVersion.versionNumber,lastVersion.getTime(),lastVersion.getSize(),lastVersion.lastEditor())
         return self.history()
 
-    
+    def getVersionNr(self,nr):
+        """get version with number nr"""
+        tmp=0
+        lastVersion=None
+        
+        
+        for version in self.ZopeFind(self):
+            
+            if hasattr(version[1],'versionNumber'):
+                
+                if int(version[1].versionNumber) ==nr :
+                    return version[1]
+           
+        return None
     security.declarePublic('getVersion')                                              
     def getVersion(self):
         # TODO: this is ugly and it returns the next version number 
@@ -1059,14 +1076,23 @@ class extVersionedFile(CatalogAware,Fold
         return vl
 
     security.declareProtected('AUTHENTICATED_USER','forceunlock')   
-    def forceunlock(self,RESPONSE=None):
+    def forceunlock(self,RESPONSE=None,user=None):
         """unlock"""
         #safe who had the lock
+        logging.debug("extVersionFile: (forceunlock)"+str(user))
         if self.lockedBy:
-            self.brokenLock=str(self.lockedBy)
+            if user is not None:
+                if str(self.lockedBy)==user:
+                    self.brokenLock=str(self.lockedBy)
+                    self.lockedBy=''
+                else:
+                    self.brokenLock=""
+            else:
+                self.brokenLock=str(self.lockedBy)
+                self.lockedBy=''
         else:
             self.brokenLock=""
-        self.lockedBy=''
+        
         return self.brokenLock
 
     security.declareProtected('AUTHENTICATED_USER','unlock')