355 lines
12 KiB
Python
355 lines
12 KiB
Python
# -*- coding: utf-8 -*-
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from django.contrib import messages
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from django.core.context_processors import csrf
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from django.core.urlresolvers import reverse
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from django.shortcuts import redirect
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from django.utils.translation import ugettext as _
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from openslides.config.api import config
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from openslides.utils.tornado_webserver import ProjectorSocketHandler
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from openslides.utils.template import Tab
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from openslides.utils.views import (AjaxMixin, CreateView, DeleteView,
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RedirectView, TemplateView, UpdateView)
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from openslides.mediafile.models import Mediafile
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from .api import (call_on_projector, get_active_slide, get_all_widgets,
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get_overlays, get_projector_content, get_projector_overlays,
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get_projector_overlays_js, reset_countdown, set_active_slide,
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start_countdown, stop_countdown, update_projector_overlay)
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from .forms import SelectWidgetsForm
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from .models import ProjectorSlide
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from .projector import Widget
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from .signals import projector_overlays
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class DashboardView(AjaxMixin, TemplateView):
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"""
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Overview over all possible slides, the overlays and a liveview.
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"""
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template_name = 'projector/dashboard.html'
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permission_required = 'projector.can_see_dashboard'
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def get_context_data(self, **kwargs):
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context = super(DashboardView, self).get_context_data(**kwargs)
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context['widgets'] = get_all_widgets(self.request, session=True)
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return context
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class ProjectorView(TemplateView):
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"""
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The Projector-Page.
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"""
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permission_required = 'projector.can_see_projector'
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template_name = 'projector.html'
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def get_context_data(self, **kwargs):
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callback = self.kwargs.get('callback', None)
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if callback is None:
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kwargs.update({
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'content': get_projector_content(),
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'overlays': get_projector_overlays(),
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'overlay_js': get_projector_overlays_js(as_json=True),
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'reload': True,
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'calls': config['projector_js_cache']})
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# For the Preview
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else:
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slide_dict = dict(self.request.GET.items())
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slide_dict['callback'] = callback
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kwargs.update({
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'content': get_projector_content(slide_dict),
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'reload': False})
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return super(ProjectorView, self).get_context_data(**kwargs)
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class ActivateView(RedirectView):
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"""
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Activate a Slide.
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"""
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permission_required = 'projector.can_manage_projector'
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url_name = 'dashboard'
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allow_ajax = True
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def pre_redirect(self, request, *args, **kwargs):
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if (kwargs['callback'] == 'mediafile' and
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get_active_slide()['callback'] == 'mediafile'):
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# If the current slide is a pdf and the new page is also a slide,
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# we dont have to use set_active_slide, because is causes a content
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# reload.
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kwargs.update({'page_num': 1, 'pk': request.GET.get('pk')})
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url = Mediafile.objects.get(pk=kwargs['pk'], is_presentable=True).mediafile.url
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config['projector_active_slide'] = kwargs
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ProjectorSocketHandler.send_updates(
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{'calls': {'load_pdf': {'url': url, 'page_num': kwargs['page_num']}}})
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else:
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set_active_slide(kwargs['callback'], kwargs=dict(request.GET.items()))
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config['projector_scroll'] = config.get_default('projector_scroll')
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config['projector_scale'] = config.get_default('projector_scale')
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call_on_projector({'scroll': config['projector_scroll'],
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'scale': config['projector_scale']})
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class SelectWidgetsView(TemplateView):
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"""
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Show a Form to Select the widgets.
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"""
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permission_required = 'projector.can_see_dashboard'
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template_name = 'projector/select_widgets.html'
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def get_context_data(self, **kwargs):
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context = super(SelectWidgetsView, self).get_context_data(**kwargs)
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widgets = get_all_widgets(self.request)
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activated_widgets = self.request.session.get('widgets', {})
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for name, widget in widgets.items():
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initial = {'widget': activated_widgets.get(name, True)}
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if self.request.method == 'POST':
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widget.form = SelectWidgetsForm(self.request.POST, prefix=name,
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initial=initial)
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else:
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widget.form = SelectWidgetsForm(prefix=name, initial=initial)
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context['widgets'] = widgets
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return context
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def post(self, request, *args, **kwargs):
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"""
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Activates or deactivates the widgets in a post request.
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"""
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context = self.get_context_data(**kwargs)
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activated_widgets = self.request.session.get('widgets', {})
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for name, widget in context['widgets'].items():
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if widget.form.is_valid():
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activated_widgets[name] = widget.form.cleaned_data['widget']
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else:
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messages.error(request, _('Errors in the form.'))
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break
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else:
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self.request.session['widgets'] = activated_widgets
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return redirect(reverse('dashboard'))
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class ProjectorControllView(RedirectView):
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"""
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Scale or scroll the projector.
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"""
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permission_required = 'projector.can_manage_projector'
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url_name = 'dashboard'
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allow_ajax = True
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def pre_redirect(self, request, *args, **kwargs):
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direction = kwargs['direction']
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if direction == 'bigger':
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config['projector_scale'] = int(config['projector_scale']) + 1
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elif direction == 'smaller':
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config['projector_scale'] = int(config['projector_scale']) - 1
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elif direction == 'down':
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config['projector_scroll'] = int(config['projector_scroll']) + 1
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elif direction == 'up':
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if config['projector_scroll'] > 0:
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config['projector_scroll'] = int(config['projector_scroll']) - 1
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elif direction == 'clean_scale':
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config['projector_scale'] = config.get_default('projector_scale')
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elif direction == 'clean_scroll':
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config['projector_scroll'] = config.get_default('projector_scroll')
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call_on_projector({'scroll': config['projector_scroll'],
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'scale': config['projector_scale']})
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def get_ajax_context(self, **kwargs):
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return {
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'scale_level': config['projector_scale'],
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'scroll_level': config['projector_scroll'],
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}
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class CountdownControllView(RedirectView):
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"""
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Start, stop or reset the countdown.
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"""
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permission_required = 'projector.can_manage_projector'
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url_name = 'dashboard'
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allow_ajax = True
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def pre_redirect(self, request, *args, **kwargs):
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command = kwargs['command']
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if command == 'reset':
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reset_countdown()
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elif command == 'start':
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start_countdown()
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elif command == 'stop':
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stop_countdown()
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elif command == 'set-default':
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try:
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config['countdown_time'] = \
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int(self.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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update_projector_overlay('projector_countdown')
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def get_ajax_context(self, **kwargs):
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return {
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'state': config['countdown_state'],
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'countdown_time': config['countdown_time'],
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}
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class OverlayMessageView(RedirectView):
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"""
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Sets or clears the overlay message
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"""
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url_name = 'dashboard'
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allow_ajax = True
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permission_required = 'projector.can_manage_projector'
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def pre_post_redirect(self, request, *args, **kwargs):
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if 'message' in request.POST:
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config['projector_message'] = request.POST['message_text']
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elif 'message-clean' in request.POST:
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config['projector_message'] = ''
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update_projector_overlay('projector_message')
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def get_ajax_context(self, **kwargs):
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return {
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'overlay_message': config['projector_message'],
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}
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class ActivateOverlay(RedirectView):
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"""
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Activate or deactivate an overlay.
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"""
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url_name = 'dashboard'
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allow_ajax = True
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permission_required = 'projector.can_manage_projector'
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def pre_redirect(self, request, *args, **kwargs):
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overlay = get_overlays()[kwargs['name']]
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self.name = overlay.name
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if kwargs['activate']:
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if not overlay.is_active():
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overlay.set_active(True)
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update_projector_overlay(overlay)
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self.active = True
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else:
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if overlay.is_active():
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overlay.set_active(False)
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update_projector_overlay(overlay)
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self.active = False
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def get_ajax_context(self, **kwargs):
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return {'active': self.active, 'name': self.name}
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class CustomSlideCreateView(CreateView):
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"""
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Create a custom slide.
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"""
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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_name = 'dashboard'
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url_name_args = []
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class CustomSlideUpdateView(UpdateView):
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"""
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Update a custom slide.
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"""
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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_name = 'dashboard'
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url_name_args = []
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class CustomSlideDeleteView(DeleteView):
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"""
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Delete a custom slide.
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"""
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permission_required = 'projector.can_manage_projector'
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model = ProjectorSlide
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success_url_name = 'dashboard'
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def register_tab(request):
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"""
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Register the projector tab.
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"""
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selected = request.path.startswith('/projector/')
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return Tab(
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title=_('Dashboard'),
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app='dashboard',
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url=reverse('dashboard'),
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permission=request.user.has_perm('projector.can_see_dashboard'),
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selected=selected,
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)
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def get_widgets(request):
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"""
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Return the widgets of the projector app
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"""
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widgets = []
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# Welcome widget
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widgets.append(Widget(
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request,
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name='welcome',
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display_name=config['welcome_title'],
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template='projector/welcome_widget.html',
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context={'welcometext': config['welcome_text']},
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permission_required='projector.can_see_dashboard',
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default_column=1,
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default_weight=10))
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# Projector live view widget
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widgets.append(Widget(
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request,
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name='live_view',
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display_name=_('Projector live view'),
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template='projector/live_view_widget.html',
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permission_required='projector.can_see_projector',
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default_column=2,
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default_weight=10))
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# Overlay widget
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overlays = []
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for receiver, overlay in projector_overlays.send(sender='overlay_widget', request=request):
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if overlay.widget_html_callback is not None:
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overlays.append(overlay)
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context = {'overlays': overlays}
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context.update(csrf(request))
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widgets.append(Widget(
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request,
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name='overlays',
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display_name=_('Overlays'),
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template='projector/overlay_widget.html',
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permission_required='projector.can_manage_projector',
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default_column=2,
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default_weight=20,
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context=context))
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# Custom slide widget
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welcomepage_is_active = get_active_slide().get('callback', 'default') == 'default'
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widgets.append(Widget(
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request,
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name='custom_slide',
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display_name=_('Custom Slides'),
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template='projector/custom_slide_widget.html',
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context={
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'slides': ProjectorSlide.objects.all().order_by('weight'),
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'welcomepage_is_active': welcomepage_is_active},
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permission_required='projector.can_manage_projector',
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default_column=2,
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default_weight=30))
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return widgets
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