285 lines
9.7 KiB
Python
285 lines
9.7 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.projector.views
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Views for the projector app.
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:copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
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"""
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from datetime import datetime
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from time import time
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from django.contrib import messages
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from django.shortcuts import render_to_response, redirect
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from django.template import RequestContext
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from django.core.urlresolvers import reverse
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from django.utils.translation import ugettext as _
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from django.utils.datastructures import SortedDict
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from django.dispatch import receiver
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from django.template.loader import render_to_string
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from django.db.models import Q
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from utils.views import TemplateView, RedirectView, CreateView, UpdateView
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from utils.utils import template, permission_required, \
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del_confirm_form, ajax_request
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from utils.template import render_block_to_string
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from utils.template import Tab
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from config.models import config
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from api import get_active_slide, set_active_slide, projector_message_set, projector_message_delete, get_slide_from_sid
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from projector import SLIDE
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from models import ProjectorOverlay, ProjectorSlide
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from openslides.projector.signals import projector_overlays, projector_control_box
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from openslides.utils.signals import template_manipulation
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from django.utils.importlib import import_module
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import settings
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class ControlView(TemplateView):
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template_name = 'projector/control.html'
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permission_required = 'projector.can_manage_projector'
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def get_projector_overlays(self):
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overlays = []
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for receiver, name in projector_overlays.send(sender='registerer', register=True):
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if name is not None:
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try:
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projector_overlay = ProjectorOverlay.objects.get(def_name=name)
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except ProjectorOverlay.DoesNotExist:
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active = name == 'Message'
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projector_overlay = ProjectorOverlay(def_name=name, active=active)
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projector_overlay.save()
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overlays.append(projector_overlay)
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return overlays
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def post(self, request, *args, **kwargs):
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if 'message' in request.POST:
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projector_message_set(request.POST['message_text'])
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elif 'message-clean' in request.POST:
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projector_message_delete()
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else:
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for overlay in self.get_projector_overlays():
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if overlay.def_name in request.POST:
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overlay.active = True
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else:
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overlay.active = False
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overlay.save()
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return self.get(request, *args, **kwargs)
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def get_context_data(self, **kwargs):
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context = super(ControlView, self).get_context_data(**kwargs)
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categories = {}
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for slide in SLIDE.values():
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if not categories.has_key(slide.category):
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categories[slide.category] = []
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categories[slide.category].append(slide)
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tmp_categories = categories
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categories = SortedDict()
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for app in settings.INSTALLED_APPS:
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if app in tmp_categories:
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tmp_categories[app].sort(key=lambda slide: slide.weight)
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categories[app] = tmp_categories[app]
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## for receiver, response in projector_control_box.send(sender='ControllView'):
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## if response is not None:
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## categories[response[0]] = response[1]
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context.update({
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'categories': categories,
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'countdown_time': config['agenda_countdown_time'],
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'countdown_state' : config['countdown_state'],
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'overlays': self.get_projector_overlays(),
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})
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return context
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class ActivateView(RedirectView):
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url = 'projector_control'
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allow_ajax = True
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def pre_redirect(self, request, *args, **kwargs):
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set_active_slide(kwargs['sid'])
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def get_ajax_context(self, **kwargs):
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context = super(ActivateView, self).get_ajax_context()
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config['up'] = 0
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config['bigger'] = 100
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return context
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class CustomSlideCreateView(CreateView):
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permission_required = 'agenda.can_manage_agenda'
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template_name = 'projector/new.html'
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model = ProjectorSlide
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context_object_name = 'customslide'
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success_url = 'projector_control'
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apply_url = 'customslide_edit'
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def get_success_url(self):
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messages.success(self.request, _("Custom slide <b>%s</b> was successfully created.") % self.request.POST['title'])
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if 'apply' in self.request.POST:
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return reverse(self.get_apply_url(), args=[self.object.id])
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return reverse(super(CreateView, self).get_success_url())
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class CustomSlideUpdateView(UpdateView):
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permission_required = 'projector.can_manage_projector'
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template_name = 'projector/new.html'
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model = ProjectorSlide
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context_object_name = 'customslide'
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success_url = 'projector_control'
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apply_url = 'customslide_edit'
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def get_success_url(self):
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messages.success(self.request, _("Custom slide <b>%s</b> was successfully modified.") % self.request.POST['title'])
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if 'apply' in self.request.POST:
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return ''
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return reverse(super(UpdateView, self).get_success_url())
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@permission_required('projector.can_see_projector')
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def active_slide(request, sid=None):
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"""
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Shows the active Slide.
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"""
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if sid is None:
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try:
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data = get_active_slide()
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except AttributeError: #TODO: It has to be an Slide.DoesNotExist
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data = None
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ajax = 'on'
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else:
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data = get_slide_from_sid(sid)
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ajax = 'off'
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if data is None:
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data = {
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'title': config['event_name'],
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'template': 'projector/default.html',
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}
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data['overlays'] = []
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data['overlay'] = ''
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data['ajax'] = ajax
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# Projector Overlays
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sid = get_active_slide(True)
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active_defs = ProjectorOverlay.objects.filter(active=True).filter(Q(sid=sid) | Q(sid=None)).values_list('def_name', flat=True)
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for receiver, response in projector_overlays.send(sender=sid, register=False, call=active_defs):
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if response is not None:
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data['overlays'].append(response)
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template_manipulation.send(sender='projector', request=request, context=data)
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if request.is_ajax():
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content = render_block_to_string(data['template'], 'content', data)
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scrollcontent = render_block_to_string(data['template'], 'scrollcontent', data)
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jsondata = {
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'content': content,
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'scrollcontent': scrollcontent,
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'overlays': data['overlays'],
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'title': data['title'],
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'time': datetime.now().strftime('%H:%M'),
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'bigger': config['bigger'],
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'up': config['up'],
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'overlay': data['overlay']
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}
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return ajax_request(jsondata)
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else:
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return render_to_response(
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data['template'],
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data,
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context_instance=RequestContext(request)
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)
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@permission_required('agenda.can_manage_agenda')
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def projector_edit(request, direction):
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if direction == 'bigger':
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config['bigger'] = int(config['bigger']) + 20
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elif direction == 'smaller':
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config['bigger'] = int(config['bigger']) - 20
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elif direction == 'up':
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config['up'] = int(config['up']) - 10
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elif direction == 'down':
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if config['up'] < 0:
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config['up'] = int(config['up']) + 10
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elif direction == 'clean':
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config['up'] = 0
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config['bigger'] = 100
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if request.is_ajax():
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return ajax_request({})
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return redirect(reverse('projector_control'))
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@permission_required('projector.can_manage_projector')
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def projector_countdown(request, command):
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#todo: why is there the time argument?
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if command in ['reset','start','stop']:
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config['countdown_time'] = config['agenda_countdown_time']
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if command =='reset':
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if command == 'reset':
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config['countdown_start_stamp'] = time()
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config['countdown_pause_stamp'] = 0
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config['countdown_state'] = 'inactive'
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elif command == 'start':
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# if we had stopped the countdown resume were we left of
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if config['countdown_state'] == 'paused':
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s = config['countdown_start_stamp']
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p = config['countdown_pause_stamp']
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n = time()
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config['countdown_start_stamp'] = n - (p - s)
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else:
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config['countdown_start_stamp'] = time()
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config['countdown_state'] = 'active'
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config['countdown_pause_stamp'] = 0
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elif command == 'stop':
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if config['countdown_state'] == 'active':
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config['countdown_pause_stamp'] = time()
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config['countdown_state'] = 'paused'
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elif command == 'set_default':
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try:
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config['agenda_countdown_time'] = int(request.GET['countdown_time'])
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except ValueError:
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pass
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except AttributeError:
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pass
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if request.is_ajax():
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if command == "show":
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link = reverse('countdown_close')
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else:
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link = reverse('countdown_open')
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return ajax_request({'countdown_visible': config['countdown_visible'],
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'link': link})
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return redirect(reverse('projector_control'))
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def register_tab(request):
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selected = True if request.path.startswith('/projector/') else False
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return Tab(
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title=_('Projector'),
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url=reverse('projector_control'),
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permission=request.user.has_perm('projector.can_manag_projector'),
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selected=selected,
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)
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## @receiver(projector_control_box, dispatch_uid="openslides.projector.views.projector_box")
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## def projector_box(sender, **kwargs):
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## return ('header', 'text')
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