364 lines
11 KiB
Python
364 lines
11 KiB
Python
#!/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.conf import settings
|
|
from django.contrib import messages
|
|
from django.core.urlresolvers import reverse
|
|
from django.db.models import Q
|
|
from django.dispatch import receiver
|
|
from django.utils.datastructures import SortedDict
|
|
from django.utils.importlib import import_module
|
|
from django.utils.translation import ugettext as _
|
|
|
|
from openslides.utils.template import render_block_to_string, Tab
|
|
from openslides.utils.utils import html_strong
|
|
from openslides.utils.views import (TemplateView, RedirectView, CreateView,
|
|
UpdateView, DeleteView, AjaxMixin)
|
|
|
|
from openslides.config.models import config
|
|
|
|
from openslides.projector.api import (get_active_slide, set_active_slide,
|
|
projector_message_set, projector_message_delete, get_slide_from_sid)
|
|
from openslides.projector.models import ProjectorOverlay, ProjectorSlide
|
|
from openslides.projector.projector import SLIDE, Widget
|
|
from openslides.projector.signals import projector_overlays
|
|
|
|
|
|
class ControlView(TemplateView, AjaxMixin):
|
|
"""
|
|
Overview over all possible slides, the overlays and a liveview.
|
|
"""
|
|
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()
|
|
if request.is_ajax():
|
|
return self.ajax_get(request, *args, **kwargs)
|
|
return self.get(request, *args, **kwargs)
|
|
|
|
def get_ajax_context(self, **kwargs):
|
|
return {
|
|
'overlay_message': config['projector_message'],
|
|
}
|
|
|
|
def get_context_data(self, **kwargs):
|
|
context = super(ControlView, self).get_context_data(**kwargs)
|
|
|
|
widgets = SortedDict()
|
|
for app in settings.INSTALLED_APPS:
|
|
try:
|
|
mod = import_module(app + '.views')
|
|
except ImportError:
|
|
continue
|
|
appname = mod.__name__.split('.')[0]
|
|
try:
|
|
modul_widgets = mod.get_widgets(self.request)
|
|
except AttributeError:
|
|
continue
|
|
|
|
for widget in modul_widgets:
|
|
widgets[widget.get_name()] = widget
|
|
|
|
|
|
context.update({
|
|
'countdown_time': config['countdown_time'],
|
|
'countdown_state' : config['countdown_state'],
|
|
'overlays': self.get_projector_overlays(),
|
|
'widgets': widgets,
|
|
})
|
|
return context
|
|
|
|
|
|
class Projector(TemplateView, AjaxMixin):
|
|
"""
|
|
The Projector-Page.
|
|
"""
|
|
permission_required = 'projector.can_see_projector'
|
|
|
|
@property
|
|
def data(self):
|
|
try:
|
|
return self._data
|
|
except AttributeError:
|
|
pass
|
|
sid = self.kwargs['sid']
|
|
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['ajax'] = ajax
|
|
|
|
# Projector Overlays
|
|
if self.kwargs['sid'] is None:
|
|
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)
|
|
self._data = data
|
|
return data
|
|
|
|
def get_template_names(self):
|
|
return [self.data['template']]
|
|
|
|
def get_context_data(self, **kwargs):
|
|
context = super(Projector, self).get_context_data(**kwargs)
|
|
context.update(self.data)
|
|
return context
|
|
|
|
def get_ajax_context(self, **kwargs):
|
|
content = render_block_to_string(self.get_template_names()[0],
|
|
'content', self.data)
|
|
scrollcontent = render_block_to_string(self.get_template_names()[0],
|
|
'scrollcontent', self.data)
|
|
|
|
context = super(Projector, self).get_ajax_context(**kwargs)
|
|
content_hash = hash(content)
|
|
context.update({
|
|
'content': content,
|
|
'scrollcontent': scrollcontent,
|
|
'time': datetime.now().strftime('%H:%M'),
|
|
'overlays': self.data['overlays'],
|
|
'title': self.data['title'],
|
|
'bigger': config['bigger'],
|
|
'up': config['up'],
|
|
'content_hash': content_hash,
|
|
})
|
|
return context
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
if request.is_ajax():
|
|
return self.ajax_get(request, *args, **kwargs)
|
|
return super(Projector, self).get(request, *args, **kwargs)
|
|
|
|
|
|
class ActivateView(RedirectView):
|
|
"""
|
|
Activate a Slide.
|
|
"""
|
|
permission_required = 'projector.can_manage_projector'
|
|
url = 'projector_control'
|
|
allow_ajax = True
|
|
|
|
def pre_redirect(self, request, *args, **kwargs):
|
|
try:
|
|
set_active_slide(kwargs['sid'], kwargs['argument'])
|
|
except KeyError:
|
|
set_active_slide(kwargs['sid'])
|
|
config['up'] = 0
|
|
config['bigger'] = 100
|
|
|
|
|
|
class ProjectorEdit(RedirectView):
|
|
"""
|
|
Scale or scroll the projector.
|
|
"""
|
|
permission_required = 'projector.can_manage_projector'
|
|
url = 'projector_control'
|
|
allow_ajax = True
|
|
|
|
def pre_redirect(self, request, *args, **kwargs):
|
|
direction = kwargs['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
|
|
|
|
|
|
class CountdownEdit(RedirectView):
|
|
"""
|
|
Start, stop or reset the countdown.
|
|
"""
|
|
permission_required = 'projector.can_manage_projector'
|
|
url = 'projector_control'
|
|
allow_ajax = True
|
|
|
|
def pre_redirect(self, request, *args, **kwargs):
|
|
command = kwargs['command']
|
|
# countdown_state is one of 'inactive', 'paused' and 'active', 'expired'
|
|
if command in ['reset', 'start', 'stop']:
|
|
config['countdown_time'] = config['countdown_time']
|
|
|
|
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':
|
|
start_stamp = config['countdown_start_stamp']
|
|
pause_stamp = config['countdown_pause_stamp']
|
|
now = time()
|
|
config['countdown_start_stamp'] = now - \
|
|
(pause_stamp - start_stamp)
|
|
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'
|
|
elif command == 'set-default':
|
|
try:
|
|
config['countdown_time'] = \
|
|
int(self.request.GET['countdown_time'])
|
|
except ValueError:
|
|
pass
|
|
except AttributeError:
|
|
pass
|
|
|
|
def get_ajax_context(self, **kwargs):
|
|
return {
|
|
'state': config['countdown_state'],
|
|
'countdown_time': config['countdown_time'],
|
|
}
|
|
|
|
|
|
class ActivateOverlay(RedirectView):
|
|
"""
|
|
Activate or deactivate an overlay.
|
|
"""
|
|
url = 'projector_control'
|
|
allow_ajax = True
|
|
permission_required = 'projector.can_manage_projector'
|
|
|
|
@property
|
|
def overlay(self):
|
|
try:
|
|
return self._overlay
|
|
except AttributeError:
|
|
self._overlay = ProjectorOverlay.objects.get(
|
|
def_name=self.kwargs['name'])
|
|
return self._overlay
|
|
|
|
def pre_redirect(self, request, *args, **kwargs):
|
|
if kwargs['activate']:
|
|
self.overlay.active = True
|
|
else:
|
|
self.overlay.active = False
|
|
self.overlay.save()
|
|
|
|
def get_ajax_context(self, **kwargs):
|
|
return {
|
|
'active': self.overlay.active,
|
|
'def_name': self.overlay.def_name,
|
|
}
|
|
|
|
|
|
class CustomSlideCreateView(CreateView):
|
|
"""
|
|
Create a custom slide.
|
|
"""
|
|
permission_required = 'agenda.can_manage_agenda'
|
|
template_name = 'projector/new.html'
|
|
model = ProjectorSlide
|
|
context_object_name = 'customslide'
|
|
success_url = 'projector_control'
|
|
apply_url = 'customslide_edit'
|
|
|
|
|
|
class CustomSlideUpdateView(UpdateView):
|
|
"""
|
|
Update a custom slide.
|
|
"""
|
|
permission_required = 'projector.can_manage_projector'
|
|
template_name = 'projector/new.html'
|
|
model = ProjectorSlide
|
|
context_object_name = 'customslide'
|
|
success_url = 'projector_control'
|
|
apply_url = 'customslide_edit'
|
|
|
|
|
|
class CustomSlideDeleteView(DeleteView):
|
|
"""
|
|
Delete a custom slide.
|
|
"""
|
|
permission_required = 'projector.can_manage_projector'
|
|
model = ProjectorSlide
|
|
url = 'projector_control'
|
|
|
|
|
|
def register_tab(request):
|
|
"""
|
|
Register the projector tab.
|
|
"""
|
|
selected = True if request.path.startswith('/projector/') else False
|
|
return Tab(
|
|
title=_('Projector'),
|
|
url=reverse('projector_control'),
|
|
permission=request.user.has_perm('projector.can_manage_projector'),
|
|
selected=selected,
|
|
)
|
|
|
|
|
|
def get_widgets(request):
|
|
"""
|
|
Return the custom slide widget.
|
|
"""
|
|
return [
|
|
Widget(
|
|
name='projector',
|
|
template='projector/widget.html',
|
|
context={
|
|
'slides': ProjectorSlide.objects.all(),
|
|
'welcomepage_is_active': not bool(config["presentation"]),
|
|
}
|
|
),
|
|
]
|