* Rubic wrote, On 14.01.2007 18:19:
I've been using newforms for a few days now and just
ran across something in ChoiceField that might be worth
sharing.
However, sometimes you'd like the choice list to
be dynamic, to reflect the current values in the
model. My approach is to create a class with a
flavors property attribute:
views.py: (version 2: dynamic choice list)
class FlavorChoice
def _flavorList(self):
return [(c.id, c.name) for c in Flavor.objects.all()]
flavors = property(_flavorList)
class MyForm(forms.Form):
flavor = forms.ChoiceField(label="Favorite Flavor",
choices=FlavorChoice().flavors)
I don't know if there's a more idiomatic way to do this in
newforms, but this approach is working for me.
Take a look at http://trac.studioquattro.biz/djangoutils/browser/branches/0.1/forms/fields/related.py (field) and
http://trac.studioquattro.biz/djangoutils/browser/branches/0.1/forms/widgets/related.py (widget).
This is implementation of the RelatedSelect field (and widget) for single
select related fields.
It is still work in progress but I'm using it for some time now.
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