OpenSlides/openslides/agenda/views.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.agenda.views
~~~~~~~~~~~~~~~~~~~~~~~
Views for the agenda app.
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:copyright: 2011, 2012 by the OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
"""
from reportlab.platypus import Paragraph
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from django.core.context_processors import csrf
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from django.core.urlresolvers import reverse
from django.contrib import messages
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from django.db import transaction
from django.db.models import Model
from django.utils.translation import ugettext as _
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from django.views.generic.detail import SingleObjectMixin
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from openslides.utils.pdf import stylesheet
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from openslides.utils.views import (TemplateView, RedirectView, UpdateView,
CreateView, DeleteView, PDFView, DetailView)
from openslides.utils.template import Tab
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from openslides.utils.utils import html_strong
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from openslides.config.models import config
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from openslides.projector.api import get_active_slide
from openslides.projector.projector import Widget, SLIDE
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from openslides.agenda.models import Item
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from openslides.agenda.forms import ItemOrderForm, ItemForm
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class Overview(TemplateView):
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"""
Show all agenda items, and update there range via post.
"""
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permission_required = 'agenda.can_see_agenda'
template_name = 'agenda/overview.html'
def get_context_data(self, **kwargs):
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context = super(Overview, self).get_context_data(**kwargs)
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context.update({
'items': Item.objects.all(),
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'active_sid': get_active_slide(only_sid=True),
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})
return context
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@transaction.commit_manually
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def post(self, request, *args, **kwargs):
context = self.get_context_data(**kwargs)
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if not request.user.has_perm('agenda.can_manage_agenda'):
messages.error(request,
_('You are not permitted to manage the agenda.'))
return self.render_to_response(context)
transaction.commit()
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for item in Item.objects.all():
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form = ItemOrderForm(request.POST, prefix="i%d" % item.id)
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if form.is_valid():
try:
parent = Item.objects.get(id=form.cleaned_data['parent'])
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except Item.DoesNotExist:
parent = None
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item.weight = form.cleaned_data['weight']
item.parent = parent
Model.save(item)
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else:
transaction.rollback()
messages.error(request,
_('Errors when reordering of the agenda'))
return self.render_to_response(context)
Item.objects.rebuild()
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# TODO: assure, that it is a valid tree
transaction.commit()
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return self.render_to_response(context)
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class View(DetailView):
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"""
Show an agenda item.
"""
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permission_required = 'agenda.can_see_agenda'
template_name = 'agenda/view.html'
model = Item
context_object_name = 'item'
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class SetClosed(RedirectView, SingleObjectMixin):
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"""
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Close or open an item.
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"""
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permission_required = 'agenda.can_manage_agenda'
allow_ajax = True
url = 'item_overview'
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model = Item
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def get_ajax_context(self, **kwargs):
context = super(SetClosed, self).get_ajax_context(**kwargs)
closed = kwargs['closed']
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if closed:
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link = reverse('item_open', args=[self.object.id])
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else:
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link = reverse('item_close', args=[self.object.id])
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context.update({
'closed': kwargs['closed'],
'link': link,
})
return context
def pre_redirect(self, request, *args, **kwargs):
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self.object = self.get_object()
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closed = kwargs['closed']
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self.object.set_closed(closed)
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return super(SetClosed, self).pre_redirect(request, *args, **kwargs)
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class ItemUpdate(UpdateView):
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"""
Update an existing item.
"""
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permission_required = 'agenda.can_manage_agenda'
template_name = 'agenda/edit.html'
model = Item
context_object_name = 'item'
form_class = ItemForm
success_url = 'item_overview'
apply_url = 'item_edit'
def get_success_url(self):
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messages.success(self.request,
_("Item %s was successfully modified.") \
% html_strong(self.request.POST['title']))
if 'apply' in self.request.POST:
return ''
return reverse(super(UpdateView, self).get_success_url())
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class ItemCreate(CreateView):
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"""
Create a new item.
"""
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permission_required = 'agenda.can_manage_agenda'
template_name = 'agenda/edit.html'
model = Item
context_object_name = 'item'
form_class = ItemForm
success_url = 'item_overview'
apply_url = 'item_edit'
def get_success_url(self):
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messages.success(self.request,
_("Item %s was successfully created.") \
% html_strong(self.request.POST['title']))
if 'apply' in self.request.POST:
return reverse(self.get_apply_url(), args=[self.object.id])
return reverse(super(CreateView, self).get_success_url())
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class ItemDelete(DeleteView):
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"""
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Delete an item.
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"""
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permission_required = 'agenda.can_manage_agenda'
model = Item
url = 'item_overview'
def pre_post_redirect(self, request, *args, **kwargs):
self.object = self.get_object()
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if 'all' in request.POST:
self.object.delete(with_children=True)
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messages.success(request,
_("Item %s and his children were successfully deleted.") \
% html_strong(self.object))
else:
self.object.delete(with_children=False)
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messages.success(request,
_("Item %s was successfully deleted.") \
% html_strong(self.object))
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def gen_confirm_form(self, request, message, url, singleitem=False):
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if singleitem:
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messages.warning(
request,
"""
%s
<form action="%s" method="post">
<input type="hidden" value="%s" name="csrfmiddlewaretoken">
<input type="submit" value="%s">
<input type="button" value="%s">
</form>
"""
% (message, url, csrf(request)['csrf_token'], _("Yes"),
_("No"))
)
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else:
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messages.warning(
request,
"""
%s
<form action="%s" method="post">
<input type="hidden" value="%s" name="csrfmiddlewaretoken">
<input type="submit" value="%s">
<input type="submit" name="all" value="%s">
<input type="button" value="%s">
</form>
"""
% (message, url, csrf(request)['csrf_token'], _("Yes"),
_("Yes, with all child items."), _("No"))
)
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def confirm_form(self, request, object, item=None):
if item is None:
item = object
if item.get_children():
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self.gen_confirm_form(
request,
_('Do you really want to delete %s?') % html_strong(item),
item.get_absolute_url('delete'),
False,
)
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else:
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self.gen_confirm_form(
request,
_('Do you really want to delete %s?') % html_strong(item),
item.get_absolute_url('delete'),
True,
)
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class AgendaPDF(PDFView):
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"""
Create a full agenda-PDF.
"""
permission_required = 'agenda.can_see_agenda'
filename = _('Agenda')
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document_title = _('Agenda')
def append_to_pdf(self, story):
for item in Item.objects.all():
ancestors = item.get_ancestors()
if ancestors:
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space = "&nbsp;" * 6 * ancestors.count()
story.append(Paragraph("%s%s" % (space, item.get_title()),
stylesheet['Subitem']))
else:
story.append(Paragraph(item.get_title(), stylesheet['Item']))
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def register_tab(request):
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"""
register the agenda tab.
"""
selected = request.path.startswith('/agenda/')
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return Tab(
title=_('Agenda'),
url=reverse('item_overview'),
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permission=request.user.has_perm('agenda.can_see_agenda')
or request.user.has_perm('agenda.can_manage_agenda'),
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selected=selected,
)
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def get_widgets(request):
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"""
return the agenda widget for the projector-tab.
"""
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return [
Widget(
name='agenda',
template='agenda/widget.html',
context={
'agenda': SLIDE['agenda'],
'items': Item.objects.all(),
}
),
]