OpenSlides/openslides/agenda/models.py

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#!/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
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from django.db import models
from mptt.models import MPTTModel, TreeForeignKey
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from system import config
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from projector.projector import SlideMixin
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from projector.api import register_slidemodel
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from agenda.api import is_summary
from utils.translation_ext import xugettext as _
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class Item(MPTTModel, SlideMixin):
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"""
An Agenda Item
MPTT-model. See http://django-mptt.github.com/django-mptt/
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"""
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prefix = 'item'
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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"))
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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')
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def slide(self):
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"""
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Return a map with all Data for the Slide
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"""
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data = {
'item': self,
'title': self.title,
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'template': 'projector/AgendaText.html',
}
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if is_summary():
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data['items'] = self.children.all()
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data['template'] = 'projector/AgendaSummary.html'
return data
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def set_active(self, summary=False):
"""
Appoint this item as the active one.
"""
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super(Item, self).set_active()
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if summary:
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config["agenda_summary"] = True
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else:
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config["agenda_summary"] = False
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def set_closed(self, closed=True):
"""
Changes the closed-status of the item.
"""
self.closed = closed
self.save()
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@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():
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return True
return False
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@property
def weight_form(self):
"""
Return the WeightForm for this item.
"""
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from agenda.forms import ItemOrderForm
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try:
parent = self.parent.id
except AttributeError:
parent = 0
initial = {
'weight': self.weight,
'self': self.id,
'parent': parent,
}
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return ItemOrderForm(initial=initial, prefix="i%d" % self.id)
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@models.permalink
def get_absolute_url(self, link='view'):
"""
Return the URL to this item. By default it is the Link to its
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slide
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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)),
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)
class MPTTMeta:
order_insertion_by = ['weight', 'title']
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register_slidemodel(Item, category=_('Agenda'), model_name=_('Agenda Item'))
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# TODO: put this in another file
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from projector.api import register_slidefunc
from agenda.slides import agenda_show
register_slidefunc(_('Agenda'), agenda_show, category=_('Agenda'))