[gen] Now it is possible to index and search Ref fields.

gen/wrappers/UserWrapper.py

@@ -169,8 +169,15 @@ class UserWrapper(AbstractWrapper):
             del self.o.__ac_local_roles__[None]
         return self._callCustom('onEdit', created)
 
-    def mayEdit(self): return self._callCustom('mayEdit')
-    def mayDelete(self): return self._callCustom('mayDelete')
+    def mayEdit(self):
+        custom = self._getCustomMethod('mayEdit')
+        if custom: return self._callCustom('mayEdit')
+        else:      return True
+
+    def mayDelete(self):
+        custom = self._getCustomMethod('mayDelete')
+        if custom: return self._callCustom('mayDelete')
+        else:      return True
 
     def getZopeUser(self):
         '''Gets the Zope user corresponding to this user.'''

gen/wrappers/__init__.py

@@ -132,16 +132,21 @@ class AbstractWrapper(object):
         if other: return cmp(self.o, other.o)
         return 1
 
+    def _getCustomMethod(self, methodName):
+        '''See docstring of _callCustom below.'''
+        if len(self.__class__.__bases__) > 1:
+            # There is a custom user class
+            custom = self.__class__.__bases__[-1]
+            if custom.__dict__.has_key(methodName):
+                return custom.__dict__[methodName]
+
     def _callCustom(self, methodName, *args, **kwargs):
         '''This wrapper implements some methods like "validate" and "onEdit".
            If the user has defined its own wrapper, its methods will not be
            called. So this method allows, from the methods here, to call the
            user versions.'''
-        if len(self.__class__.__bases__) > 1:
-            # There is a custom user class
-            customUser = self.__class__.__bases__[-1]
-            if customUser.__dict__.has_key(methodName):
-                return customUser.__dict__[methodName](self, *args, **kwargs)
+        custom = self._getCustomMethod(methodName)
+        if custom: return custom(self, *args, **kwargs)
 
     def getField(self, name): return self.o.getAppyType(name)
     def isEmpty(self, name):