def __init__(self, *args, **kwargs):
super(DashboardWidgetForm, self).__init__(*args, **kwargs)
if 'instance' in kwargs:
self.fields['datetime_field'] = forms.ChoiceField(choices=(), widget=forms.Select)
instance = kwargs['instance']
self.fields['datetime_field'].choices = get_datetime_fields(instance.model)
self.fields['datetime_field'].default = instance.datetime_field
def model_fields(request, model_name):
fields = get_datetime_fields(model_name)
return HttpResponse(json.dumps(fields), mimetype='application/json')