OpenSlides/openslides/agenda/models.py
2012-04-14 14:31:09 +02:00

155 lines
4.0 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.agenda.models
~~~~~~~~~~~~~~~~~~~~~~~~
Models for the agenda app.
:copyright: 2011 by the OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
try:
import json
except ImportError:
import simplejson as json
from django.db import models
from mptt.models import MPTTModel, TreeForeignKey
from config.models import config
from projector.projector import SlideMixin
from projector.api import register_slidemodel
from agenda.api import is_summary
from utils.translation_ext import ugettext as _
class Item(MPTTModel, SlideMixin):
"""
An Agenda Item
MPTT-model. See http://django-mptt.github.com/django-mptt/
"""
prefix = 'item'
title = models.CharField(max_length=100, verbose_name=_("Title"))
text = models.TextField(null=True, blank=True, verbose_name=_("Text"))
transcript = models.TextField(null=True, blank=True, verbose_name=_("Transcript"))
closed = models.BooleanField(default=False, verbose_name=_("Closed"))
weight = models.IntegerField(default=0, verbose_name=_("Weight"))
parent = TreeForeignKey('self', null=True, blank=True, related_name='children')
def slide(self):
"""
Return a map with all Data for the Slide
"""
data = {
'item': self,
'title': self.title,
'template': 'projector/AgendaText.html',
}
if is_summary():
data['items'] = self.children.all()
data['template'] = 'projector/AgendaSummary.html'
return data
def set_active(self, summary=False):
"""
Appoint this item as the active one.
"""
super(Item, self).set_active()
if summary:
config["agenda_summary"] = True
else:
config["agenda_summary"] = False
def set_closed(self, closed=True):
"""
Changes the closed-status of the item.
"""
self.closed = closed
self.save()
@property
def active_parent(self):
"""
Return True if the item has a active parent
"""
sid = get_active_slide(only_sid=True).split()
if len(sid) == 2 and sid[0] == self.prefix:
if self.get_ancestors().filter(pk=sid[0]).exists():
return True
return False
@property
def weight_form(self):
"""
Return the WeightForm for this item.
"""
from agenda.forms import ItemOrderForm
try:
parent = self.parent.id
except AttributeError:
parent = 0
initial = {
'weight': self.weight,
'self': self.id,
'parent': parent,
}
return ItemOrderForm(initial=initial, prefix="i%d" % self.id)
@models.permalink
def get_absolute_url(self, link='view'):
"""
Return the URL to this item. By default it is the Link to its
slide
link can be:
* view
* delete
"""
if link == 'view':
return ('item_view', [str(self.id)])
if link == 'delete':
return ('item_delete', [str(self.id)])
def __unicode__(self):
return self.title
class Meta:
permissions = (
('can_see_agenda', _("Can see agenda", fixstr=True)),
('can_manage_agenda', _("Can manage agenda", fixstr=True)),
)
class MPTTMeta:
order_insertion_by = ['weight', 'title']
register_slidemodel(Item, model_name=_('Agenda Item'))
# TODO: put this in another file
from projector.api import register_slidefunc
from agenda.slides import agenda_show
register_slidefunc(_('Agenda'), agenda_show)
from django.dispatch import receiver
from openslides.config.signals import default_config_value
@receiver(default_config_value, dispatch_uid="agenda_default_config")
def default_config(sender, key, **kwargs):
return {
'agenda_countdown_time': 60,
}.get(key)