On Fri, 2007-11-02 at 12:07 +0100, Simone Cittadini wrote:
> Malcolm Tredinnick ha scritto:
> > On Fri, 2007-11-02 at 11:25 +0100, Simone Cittadini wrote:
> >>
> >> class FormFilters(forms.Form):
> >> filter_name = forms.ChoiceField(choices = [(f.name, f.name) for f in
> >> Filter.objects.all()])
> >>
> >>
> >> One view lists all the objects given the POST of FormFilters, but if I
> >> delete/add a Filter object (from my apps interface or the automagic
> >> admin one) the choices in FormFilter won't change, it remains stuck with
> >> values in the db found when the engine is started (manage runserver or
> >> apache mod_python).
> >
> > If you want to update the choices dynamically, you will need to assign
> > to filter_name.choices just before rendering it (and that's perfectly
> > legal to do; 'choices' is a writable attribute).
> >
>
> I think I'm in need of a for dummy example here ...
>
> in the view code :
>
> def list_filters(request):
> [...]
> else:
> form = FormFilters()
> form.filter_name.choices = [(f.name, f.name) for f in
> Filter.objects.all()]
> return render_to_response('list_filters.html', locals(),
> RequestContext(request, {}))
>
> gives :
>
> AttributeError - 'FormFilters' object has no attribute 'filter_name' ....
The fields aren't attributes on the forms. They are contained in an
attribute called "fields", which is a dictionary. So try
form.field['filter_name'].choices = ...
Regards,
Malcolm
--
If it walks out of your refrigerator, LET IT GO!!
http://www.pointy-stick.com/blog/
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