[gen] Minor updates.

doc/version.txt

@@ -1 +1 @@
-0.8.0
+0.8.1

gen/__init__.py

@@ -1823,7 +1823,8 @@ class Ref(Type):
         if not res: return res
         # We add here specific Ref rules for preventing to show the field under
         # some inappropriate circumstances.
-        if (layoutType == 'edit') and (self.add or not self.link): return False
+        if (layoutType == 'edit') and \
+           (self.mayAdd(obj) or not self.link): return False
         if self.isBack:
             if layoutType == 'edit': return False
             else: return getattr(obj.aq_base, self.name, None)

gen/wrappers/UserWrapper.py

@@ -169,6 +169,9 @@ 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 getZopeUser(self):
         '''Gets the Zope user corresponding to this user.'''
         return self.o.acl_users.getUser(self.login)
@@ -180,6 +183,12 @@ class UserWrapper(AbstractWrapper):
         # Call a custom "onDelete" if any.
         return self._callCustom('onDelete')
 
+    # Methods that are defined on the Zope user class, wrapped on this class.
+    def has_role(self, role, obj=None):
+        user = self.user
+        if obj: return user.has_role(role, obj)
+        return user.has_role(role)
+
 # ------------------------------------------------------------------------------
 try:
     from AccessControl.PermissionRole import _what_not_even_god_should_do, \