from django.utils.translation import ugettext as _ from openslides.core.exceptions import ProjectorException from openslides.core.views import TagViewSet from openslides.utils.projector import ProjectorElement, ProjectorRequirement from .models import Item from .views import ItemViewSet class ItemListSlide(ProjectorElement): """ Slide definitions for Item model. This is only for list slides. Set 'id' to None to get a list slide of all root items. Set 'id' to an integer to get a list slide of the children of the metioned item. Additionally set 'tree' to True to get also children of children. """ name = 'agenda/item-list' def get_context(self): pk = self.config_entry.get('id') if pk is None: # Root list slide. context = {'tree': self.config_entry.get('tree', False)} else: # Children slide. if not Item.objects.filter(pk=pk).exists(): raise ProjectorException(_('Item does not exist.')) context = {'id': pk, 'tree': self.config_entry.get('tree', False)} return context def get_requirements(self, config_entry): pk = config_entry.get('id', 'tree') if pk is None or config_entry.get('tree', False): # Root list slide or slide with tree. yield ProjectorRequirement( view_class=ItemViewSet, view_action='tree') # Root list slide and children list slide. # Related objects like users and tags are not unlocked. yield ProjectorRequirement( view_class=ItemViewSet, view_action='list') class ItemDetailSlide(ProjectorElement): """ Slide definitions for Item model. This is only for detail slides. You have to set 'id'. To activate a detail slide as list of speakers slide, set 'id' and set 'list_of_speakers' true. """ name = 'agenda/item' def get_context(self): pk = self.config_entry.get('id') if pk is None: raise ProjectorException(_('Id must not be None.')) if not Item.objects.filter(pk=pk).exists(): raise ProjectorException(_('Item does not exist.')) return {'id': pk, 'list_of_speakers': self.config_entry.get('list_of_speakers', False)} def get_requirements(self, config_entry): pk = config_entry.get('id') if pk is not None: # Detail slide. try: item = Item.objects.get(pk=pk) except Item.DoesNotExist: # Item does not exist. Just do nothing. pass else: yield ProjectorRequirement( view_class=ItemViewSet, view_action='retrieve', pk=str(item.pk)) for speaker in item.speaker_set.all(): yield ProjectorRequirement( view_class=speaker.user.get_view_class(), view_action='retrieve', pk=str(speaker.user_id)) for tag in item.tags.all(): yield ProjectorRequirement( view_class=TagViewSet, view_action='retrieve', pk=str(tag.pk))