panikombo/forms.py

   1 from django import forms
   2 from django_select2.widgets import HeavySelect2Widget, convert_to_js_string_arr
   3
   4 from emissions.models import SoundFile
   5
   6 from .models import SoundCell
   7 from .views import soundfiles
   8
   9 class SoundFileWidget(HeavySelect2Widget):
  10     def render_texts(self, selected_choices, choices):
  11         queryset = SoundFile.objects.filter(id__in=selected_choices)
  12         def fmt(soundfile):
  13             return '%s - %s - %s' % (soundfile.episode.emission.title,
  14                     soundfile.episode.title,
  15                     soundfile.title or soundfile.id)
  16         texts = [fmt(soundfile) for soundfile in queryset.select_related()]
  17         return convert_to_js_string_arr(texts)
  18
  19
  20 class SoundCellForm(forms.ModelForm):
  21     class Meta:
  22         model = SoundCell
  23         fields = ('soundfile',)
  24
  25     def __init__(self, *args, **kwargs):
  26         super(SoundCellForm, self).__init__(*args, **kwargs)
  27         self.fields['soundfile'].widget = SoundFileWidget(data_view=soundfiles)