You might want to check out grappelli and its Related Lookups feature:
http://code.google.com/p/django-grappelli/
On Jul 26, 4:30 pm, Sævar Öfjörð <saeva...@gmail.com> wrote:
> Hi
>
> I have some models (Song and Author) that are related through an
> intermediary model (Authorship) like this:
>
> class Song(models.Model)
> authors = models.ManyToManyField('Author', through='Authorship')
>
> class Author(models.Model)
> name = models.CharField(max_length=255)
>
> class Authorship(models.Model):
> AUTHORSHIP_TYPES = (
> ('lyrics', 'Lyrics'),
> ('melody', 'Melody'),
> ('cover', 'Cover'),
> )
> author = models.ForeignKey(Author)
> song = models.ForeignKey(Song)
> authorship_type = models.CharField(choices=AUTHORSHIP_TYPES)
>
> I have inline editing set up in the admin for Song, so that
> authorships can be created/edited/deleted from the Song instance.
> But now the Authors have grown to about 2500 objects, which means that
> each select box contains 2500 options. This is too slow and I'm
> looking for an alternative.
>
> I have come across Django Ajax
> Selects:http://code.google.com/p/django-ajax-selects/
> And Django Ajax Filtered
> Fields:http://code.google.com/p/django-ajax-filtered-fields/
> (actually I'm not sure if this can be used in the django admin)
>
> But I haven't seen anything in their documentation about support for
> intermediary models like my Authorship model.
>
> Has anyone had this problem and found a solution for it?
>
> - Sævar
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