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