from openslides.config.api import config from openslides.mediafile.models import Mediafile from openslides.utils.tornado_webserver import ProjectorSocketHandler from openslides.utils.views import RedirectView, TemplateView from .api import (call_on_projector, get_active_slide, get_overlays, get_projector_content, get_projector_overlays_js, reset_countdown, set_active_slide, start_countdown, stop_countdown, update_projector_overlay) class ProjectorView(TemplateView): """ The Projector-Page. """ required_permission = 'core.can_see_projector' template_name = 'projector.html' def get_context_data(self, **kwargs): callback = self.kwargs.get('callback', None) if callback is None: kwargs.update({ 'content': get_projector_content(), 'overlays': get_overlays(only_active=True), 'overlay_js': get_projector_overlays_js(as_json=True), 'reload': True, 'calls': config['projector_js_cache']}) # For the Preview else: slide_dict = dict(self.request.GET.items()) slide_dict['callback'] = callback kwargs.update({ 'content': get_projector_content(slide_dict), 'reload': False}) return super(ProjectorView, self).get_context_data(**kwargs) class ActivateView(RedirectView): """ Activate a Slide. """ required_permission = 'core.can_manage_projector' url_name = 'core_dashboard' allow_ajax = True def pre_redirect(self, request, *args, **kwargs): if (kwargs['callback'] == 'mediafile' and get_active_slide()['callback'] == 'mediafile'): # TODO: find a way to do this in the mediafile-app # If the current slide is a pdf and the new page is also a slide, # we dont have to use set_active_slide, because is causes a content # reload. kwargs.update({'page_num': 1, 'pk': request.GET.get('pk')}) url = Mediafile.objects.get(pk=kwargs['pk'], is_presentable=True).mediafile.url config['projector_active_slide'] = kwargs ProjectorSocketHandler.send_updates( {'calls': {'load_pdf': {'url': url, 'page_num': kwargs['page_num']}}}) else: set_active_slide(kwargs['callback'], **dict(request.GET.items())) call_on_projector({'scroll': config['projector_scroll'], 'scale': config['projector_scale']}) class ProjectorControllView(RedirectView): """ Scale or scroll the projector. """ required_permission = 'core.can_manage_projector' url_name = 'core_dashboard' allow_ajax = True def pre_redirect(self, request, *args, **kwargs): direction = kwargs['direction'] if direction == 'bigger': config['projector_scale'] = int(config['projector_scale']) + 1 elif direction == 'smaller': config['projector_scale'] = int(config['projector_scale']) - 1 elif direction == 'down': config['projector_scroll'] = int(config['projector_scroll']) + 1 elif direction == 'up': if config['projector_scroll'] > 0: config['projector_scroll'] = int(config['projector_scroll']) - 1 elif direction == 'clean_scale': config['projector_scale'] = config.get_default('projector_scale') elif direction == 'clean_scroll': config['projector_scroll'] = config.get_default('projector_scroll') call_on_projector({'scroll': config['projector_scroll'], 'scale': config['projector_scale']}) def get_ajax_context(self, **kwargs): return { 'scale_level': config['projector_scale'], 'scroll_level': config['projector_scroll'], } class CountdownControllView(RedirectView): """ Start, stop or reset the countdown. """ required_permission = 'core.can_manage_projector' url_name = 'core_dashboard' allow_ajax = True def pre_redirect(self, request, *args, **kwargs): command = kwargs['command'] if command == 'reset': reset_countdown() elif command == 'start': start_countdown() elif command == 'stop': stop_countdown() elif command == 'set-default': try: config['countdown_time'] = \ int(self.request.GET['countdown_time']) except (ValueError, AttributeError): pass else: reset_countdown() update_projector_overlay('projector_countdown') def get_ajax_context(self, **kwargs): return { 'state': config['countdown_state'], 'countdown_time': config['countdown_time'], } class OverlayMessageView(RedirectView): """ Sets or clears the overlay message """ url_name = 'core_dashboard' allow_ajax = True required_permission = 'core.can_manage_projector' def pre_post_redirect(self, request, *args, **kwargs): if 'message' in request.POST: config['projector_message'] = request.POST['message_text'] elif 'message-clean' in request.POST: config['projector_message'] = '' update_projector_overlay('projector_message') def get_ajax_context(self, **kwargs): return { 'overlay_message': config['projector_message'], } class ActivateOverlay(RedirectView): """ Activate or deactivate an overlay. """ url_name = 'core_dashboard' allow_ajax = True required_permission = 'core.can_manage_projector' def pre_redirect(self, request, *args, **kwargs): overlay = get_overlays()[kwargs['name']] self.name = overlay.name if kwargs['activate']: if not overlay.is_active(): overlay.set_active(True) update_projector_overlay(overlay) self.active = True else: if overlay.is_active(): overlay.set_active(False) update_projector_overlay(overlay) self.active = False def get_ajax_context(self, **kwargs): return {'active': self.active, 'name': self.name}