--- versionedFile/versionedFile.py	2005/03/03 13:00:39	1.28
+++ versionedFile/versionedFile.py	2005/03/05 11:57:18	1.30
@@ -96,9 +96,11 @@ class versionedFileFolder(Folder,ECHO_ba
         def sortDate(x,y):
             return cmp(y[1].getLastVersion().getTime(),x[1].getLastVersion().getTime())
 
+        def sortComment(x,y):
+            return cmp(getattr(x[1],'comment','ZZZZZZZZZZZZZ').lower(),getattr(y[1],'comment','ZZZZZZZZZZZZZ').lower())
         def sortAuthor(x,y):
             
-            return cmp(x[1].getLastVersion().lastEditor(),y[1].getLastVersion().lastEditor())
+            return cmp(x[1].getLastVersion().lastEditor().lower(),y[1].getLastVersion().lastEditor().lower())
         
 	versionedFiles=self.ZopeFind(self,obj_metatypes=['versionedFile'])
 
@@ -108,6 +110,8 @@ class versionedFileFolder(Folder,ECHO_ba
             versionedFiles.sort(sortDate)
         elif sortField=='author':
             versionedFiles.sort(sortAuthor)
+        elif sortField=='comment':
+            versionedFiles.sort(sortComment)
 
         return versionedFiles
 
@@ -410,7 +414,17 @@ class versionedFile(Folder):
     def forceunlock(self,RESPONSE):
         """unlock"""
         self.lockedBy=''
-               
+
+    security.declareProtected('AUTHENTICATED_USER','unlock')   
+    def unlock(self,RESPONSE):
+        """unlock"""
+        if str(self.lockedBy) in [str(self.REQUEST['AUTHENTICATED_USER'])]:
+            self.lockedBy=''
+            RESPONSE.redirect(self.REQUEST['URL2'])
+        else:
+            return "Sorry, not locked by you! (%s,%s)"%(self.lockedBy,self.REQUEST['AUTHENTICATED_USER'])
+        
+
     
     security.declareProtected('AUTHENTICATED_USER','addVersionedFileObjectForm')