use honeypot only for contact forms (not for api)
[edumed.git] / forum / forms.py
1 # -*- coding: utf-8 -*-
2 from django import forms
3 from django.forms.models import ModelChoiceIterator
4 from django.utils.translation import ugettext as _
5 import pybb.forms
6
7 from catalogue.models import Lesson
8
9
10 class GroupedModelChoiceIterator(ModelChoiceIterator):
11     def __init__(self, field):
12         super(GroupedModelChoiceIterator, self).__init__(field)
13         self.queryset = self.field.grouping_model.objects
14         self.items_queryset = self.field.queryset
15     
16     def choice(self, obj):
17         items_query = self.items_queryset.filter(**{self.field.grouping_fk_field: obj})
18         items = [super(GroupedModelChoiceIterator, self).choice(item) for item in items_query.all()]
19         return unicode(obj), items
20
21
22 class GroupedModelChoiceField(forms.ModelChoiceField):
23     
24     def __init__(self, queryset, grouping_fk_field, **kwargs):
25         self.grouping_fk_field = grouping_fk_field
26         self.grouping_model = queryset.model._meta.get_field(grouping_fk_field).rel.to
27         super(GroupedModelChoiceField, self).__init__(queryset, **kwargs)
28
29     def _get_choices(self):
30         toret = super(GroupedModelChoiceField, self)._get_choices()
31         if isinstance(toret, ModelChoiceIterator):
32             toret = GroupedModelChoiceIterator(self)
33         return toret
34
35     choices = property(_get_choices, forms.ModelChoiceField.choices.fset)
36
37
38 class PostForm(pybb.forms.PostForm):
39     lesson = GroupedModelChoiceField(
40         label=_('Related lesson'), queryset=Lesson.objects.all(),
41         grouping_fk_field='section', required=False)