OpenSlides/openslides/agenda/models.py

190 lines
5.5 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.agenda.models
~~~~~~~~~~~~~~~~~~~~~~~~
Models for the agenda app.
:copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
try:
import json
except ImportError:
# for python 2.5 support
import simplejson as json
from django.db import models
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext_lazy as _, ugettext_noop, ugettext
from mptt.models import MPTTModel, TreeForeignKey
from openslides.config.models import config
from openslides.projector.projector import SlideMixin
from openslides.projector.api import (register_slidemodel, get_slide_from_sid,
register_slidefunc, split_sid)
from openslides.agenda.slides import agenda_show
class Item(MPTTModel, SlideMixin):
"""
An Agenda Item
MPTT-model. See http://django-mptt.github.com/django-mptt/
"""
prefix = 'item'
title = models.CharField(null=True, max_length=255, verbose_name=_("Title"))
text = models.TextField(null=True, blank=True, verbose_name=_("Text"))
comment = models.TextField(null=True, blank=True, verbose_name=_("Comment"))
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')
related_sid = models.CharField(null=True, blank=True, max_length=63)
def get_related_slide(self):
"""
return the object, of which the item points.
"""
object = get_slide_from_sid(self.related_sid, element=True)
if object is None:
self.title = 'Item for deleted slide: %s' % self.related_sid
self.related_sid = None
self.save()
return self
else:
return object
def get_related_type(self):
"""
return the type of the releated slide.
"""
return self.get_related_slide().prefix
def print_related_type(self):
"""
Print the type of the related item.
For use in Template
??Why does {% trans item.print_related_type|capfirst %} not work??
"""
return ugettext(self.get_related_type().capitalize())
def get_title(self):
"""
return the title of this item.
"""
if self.related_sid is None:
return self.title
return self.get_related_slide().get_agenda_title()
def get_title_supplement(self):
"""
return a supplement for the title.
"""
if self.related_sid is None:
return ''
try:
return self.get_related_slide().get_agenda_title_supplement()
except AttributeError:
return '(%s)' % self.print_related_type()
def slide(self):
"""
Return a map with all Data for the Slide
"""
if config['presentation_argument'] == 'summary':
data = {
'title': self.get_title(),
'items': self.get_children(),
'template': 'projector/AgendaSummary.html',
}
elif self.related_sid:
data = self.get_related_slide().slide()
else:
data = {
'item': self,
'title': self.get_title(),
'template': 'projector/AgendaText.html',
}
return data
def set_closed(self, closed=True):
"""
Changes the closed-status of the item.
"""
self.closed = closed
self.save()
@property
def weight_form(self):
"""
Return the WeightForm for this item.
"""
from openslides.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)
def delete(self, with_children=False):
"""
Delete the Item.
"""
if not with_children:
for child in self.get_children():
child.move_to(self.parent)
child.save()
super(Item, self).delete()
Item.objects.rebuild()
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
* edit
* delete
"""
if link == 'view':
if self.related_sid:
return self.get_related_slide().get_absolute_url(link)
return reverse('item_view', args=[str(self.id)])
if link == 'edit':
if self.related_sid:
return self.get_related_slide().get_absolute_url(link)
return reverse('item_edit', args=[str(self.id)])
if link == 'delete':
return reverse('item_delete', args=[str(self.id)])
def __unicode__(self):
return self.get_title()
class Meta:
permissions = (
('can_see_agenda', ugettext_noop("Can see agenda")),
('can_manage_agenda', ugettext_noop("Can manage agenda")),
)
class MPTTMeta:
order_insertion_by = ['weight']
register_slidemodel(Item, control_template='agenda/control_item.html')
register_slidefunc('agenda', agenda_show, weight=-1, name=_('Agenda'))