Seems someone has already given this way better thought than I did. See: "newforms-admin enable registering custom FilterSpecs" [1]
Very interesting indeed. [1] http://code.djangoproject.com/ticket/5833 On Dec 18, 4:45 am, weathermess <[EMAIL PROTECTED]> wrote: > Hello, > > I have a question about the use of 'list_filter' in the Django admin: > > Is it possible to filter a list of records ('Chapters') of model 'B' > by a field ('language') of model 'A' (to which a ForeignKey field in > model 'B' is referring)? > > For example: > ------------------------------------------------------------------- > #model 'B' > class Book(models.Model): > title = models.CharField(max_length=100) > author = models.CharField(max_length=100) > language = models.CharField(max_length=30) # << filter > > # model 'B' > class Chapter(models.Model): > title = models.CharField(max_length=100) > book = models.ForeignKey(Book) > ------------------------------------------------------------------- > > Overriding default manager 'objects' seems too rigid, since all > records must be listed when I desire so. > > I gave the issue a very slow thought just ago and I wondered: Wouldn't > it be nice if you could specify dedicated managers to be used for a > certain 'list_filter'? > > You could then attach an advanced (or not so advanced) manager to each > filter criterion. > > Like: > ------------------------------------------------------------------- > list_filter = ( > ('language', { > 'english': ('objects_en',), > 'french': ('objects_fr',) > }), > ) > ------------------------------------------------------------------- > > Would this make any sense at all? > > Maybe newforms-admin already provides hooks for similar functionality. > > My initial question and the subsequent proposal diverge a bit. Any > help or comments on either are greatly appreciated. Really! > > So long, > Weather --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
