[GeneralDiscussion] applied to stable: be more careful when mutating the parents property, to avoid inconsistencies (#1353, Willi Langenberger)

Thu May  1 21:00:59 PDT 2008  [email protected]
  * be more careful when mutating the parents property, to avoid inconsistencies (#1353, Willi Langenberger)
diff -rN -u old-ZWiki/OutlineSupport.py new-ZWiki/OutlineSupport.py
--- old-ZWiki/OutlineSupport.py	2008-05-01 21:02:31.000000000 -0700
+++ new-ZWiki/OutlineSupport.py	2008-05-01 21:02:31.000000000 -0700
@@ -156,10 +156,13 @@
             if parent and not parent in self.parents:
                 self.ensureParentsPropertyIsList()
                 self.parents.append(parent)
+                self._p_changed = 1
 
     def removeParent(self,parent):
         self.ensureParentsPropertyIsList()
-        try: self.parents.remove(parent)
+        try:
+            self.parents.remove(parent)
+            self._p_changed = 1
         except ValueError:
             BLATHER("failed to remove %s from %s's parents (%s)" \
                  % (parent,self.getId(),self.parents))

--
forwarded from http://zwiki.org/GeneralDiscussion#[email protected]