Right. Yes, they can. But that would be handled by the save method of the MyPage model (this is what I do in my app). I don't know of a way to handle it in the page tree.
On Mon, May 26, 2014 at 4:18 PM, Stephen McDonald <[email protected]> wrote: > Seems incomplete for the use-case - couldn't the user create a new MyPage > instance as a top-level page? > > > On Mon, May 26, 2014 at 10:26 PM, Ahmad Khayyat <[email protected]>wrote: > >> Any comments? >> Any additional information required? >> >> Here is an example that uses this feature to disallow pages of type >> MyPage to be top-level pages: >> >> >> from mezzanine.pages.signals import pre_page_move >> @receiver(pre_page_move, sender=MyPage)def my_move_constraints(sender, page, >> new_parent, **kwargs): >> >> if new_parent is None: >> return "Pages of type MyPage cannot be top-level pages" >> >> If a user drags a MyPage to a top-level position in the page tree in >> Mezzanine admin, the page will be moved back to its original position, and >> an error message will be displayed using Django messages. The text of the >> error message is the returned string: “Pages of type MyPage cannot be >> top-level pages”. A subsequent valid move will remove the error message. >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Mezzanine Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Stephen McDonald > http://jupo.org > > -- > You received this message because you are subscribed to a topic in the > Google Groups "Mezzanine Users" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/mezzanine-users/bIxUJkOIdUM/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Mezzanine Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
