> And when I want to edit 'Something' on the admin site then the
> companies also appear in this order within the select element. Is it
> possible to change this?
Good question! I don't have the One true Answer, but I do have a hack.
WARNING: The following is a vile and despicable hack!
<hack>
Right now, the only way I know of sorting the list is to (gasp) modify
the core Django code. It's a one-line change that sorts the objects
that will be displayed in the drop down.
In db/models/fields/__init__.py, in get_choices, approx. line 349 (in
my version), add the '<<<' indicated line just before the return:
{{{
def get_choices(self, include_blank=True,
blank_choice=BLANK_CHOICE_DASH):
"Returns a list of tuples used as SelectField choices for this
field."
first_choice = include_blank and blank_choice or []
if self.choices:
return first_choice + list(self.choices)
rel_model = self.rel.to
if hasattr(self.rel, 'get_related_field'):
lst = [(getattr(x, self.rel.get_related_field().attname),
smart_unicode(x)) for x in
rel_model._default_manager.complex_filter(self.rel.limit_choices_to)]
else:
lst = [(x._get_pk_val(), smart_unicode(x)) for x in
rel_model._default_manager.complex_filter(self.rel.limit_choices_to)]
lst.sort(lambda x,y: cmp(x[1],y[1])) # <<< This sorts the list
values
return first_choice + lst
}}}
</hack>
In case this makes someone want to throw things at me, do me (and
others) a favor by explaining The Correct Way to do this. It would be
particularly nice if there is a way to return an arbitrarily filtered/
ordered list for this and the ManyToMany selectors.
I found one discussion at http://code.djangoproject.com/ticket/2445
that is talking about enhancing the limit_choices_to, and it feels
like it will address this also, but after a year it's still a work in
progress.
There's a thread in Django Developers that touches on dynamic
limit_choices.
http://groups.google.com/group/django-developers/browse_thread/thread/7b351d4806b2b85a/bd6785509e75b76f
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