OpenSlides/openslides/projector/signals.py
Norman Jäckel c747f09ad0 Changed permission system for config pages.
Config pages are now only available for users with permission 'config.can_manage'. Fixed #1159.
2014-05-12 22:56:19 +02:00

170 lines
5.3 KiB
Python

# -*- coding: utf-8 -*-
from time import time
from django.contrib.staticfiles.templatetags.staticfiles import static
from django.core.context_processors import csrf
from django.dispatch import receiver, Signal
from django.template.loader import render_to_string
from django.utils.datastructures import SortedDict
from openslides.config.api import config, ConfigCollection, ConfigVariable
from openslides.config.signals import config_signal
from .projector import Overlay
projector_overlays = Signal(providing_args=['request'])
@receiver(config_signal, dispatch_uid='setup_projector_config')
def setup_projector_config(sender, **kwargs):
"""
Projector config variables for OpenSlides. They are not shown on a
config view.
"""
# The active slide. The config-value is a dictonary with at least the entry
# 'callback'.
projector = ConfigVariable(
name='projector_active_slide',
default_value={'callback': None})
projector_message = ConfigVariable(
name='projector_message',
default_value='')
countdown_time = ConfigVariable(
name='countdown_time',
default_value=60)
countdown_start_stamp = ConfigVariable(
name='countdown_start_stamp',
default_value=0)
countdown_pause_stamp = ConfigVariable(
name='countdown_pause_stamp',
default_value=0)
countdown_state = ConfigVariable(
name='countdown_state',
default_value='inactive')
projector_scale = ConfigVariable(
name='projector_scale',
default_value=0)
projector_scroll = ConfigVariable(
name='projector_scroll',
default_value=0)
projector_js_cache = ConfigVariable(
name='projector_js_cache',
default_value={})
projector_active_overlays = ConfigVariable(
name='projector_active_overlays',
default_value=[])
projector_pdf_fullscreen = ConfigVariable(
name='pdf_fullscreen',
default_value=False)
return ConfigCollection(
variables=(
projector, projector_message,
countdown_time, countdown_start_stamp, countdown_pause_stamp,
countdown_state, projector_scale, projector_scroll,
projector_active_overlays, projector_js_cache,
projector_pdf_fullscreen))
@receiver(projector_overlays, dispatch_uid="projector_countdown")
def countdown(sender, **kwargs):
"""
Receiver for the countdown.
"""
name = 'projector_countdown'
request = kwargs.get('request', None)
def get_widget_html():
"""
Returns the the html-code to show in the overly-widget.
"""
context = {
'countdown_time': config['countdown_time'],
'countdown_state': config['countdown_state']}
context.update(csrf(request))
return render_to_string('projector/overlay_countdown_widget.html',
context)
def get_projector_js():
"""
Returns JavaScript for the projector
"""
value = SortedDict()
value['load_file'] = static('js/countdown.js')
value['projector_countdown_start'] = int(config['countdown_start_stamp'])
value['projector_countdown_duration'] = int(config['countdown_time'])
value['projector_countdown_pause'] = int(config['countdown_pause_stamp'])
value['projector_countdown_state'] = config['countdown_state']
value['call'] = 'update_countdown();'
return value
def get_projector_html():
"""
Returns an html-code to show on the projector.
"""
return render_to_string('projector/overlay_countdown_projector.html')
return Overlay(name, get_widget_html, get_projector_html, get_projector_js)
@receiver(projector_overlays, dispatch_uid="projector_overlay_message")
def projector_overlay_message(sender, **kwargs):
"""
Receiver to show the overlay_message on the projector or the form in the
overlay-widget on the dashboard.
"""
name = 'projector_message'
request = kwargs.get('request', None)
def get_widget_html():
"""
Returns the the html-code to show in the overly-widget.
"""
return render_to_string('projector/overlay_message_widget.html', csrf(request))
def get_projector_html():
"""
Returns an html-code to show on the projector.
"""
if config['projector_message']:
return render_to_string('projector/overlay_message_projector.html',
{'message': config['projector_message']})
return None
return Overlay(name, get_widget_html, get_projector_html)
@receiver(projector_overlays, dispatch_uid="projector_clock")
def projector_clock(sender, **kwargs):
"""
Receiver to show the clock on the projector.
"""
name = 'projector_clock'
def get_projector_html():
"""
Returns the html-code for the clock.
"""
return render_to_string('projector/overlay_clock_projector.html')
def get_projector_js():
"""
Returns JavaScript for the projector
"""
javascript = 'projector.set_server_time(%d);update_clock();' % int(time())
return {'load_file': static('js/clock.js'),
'call': javascript}
return Overlay(name, None, get_projector_html, get_projector_js,
allways_active=True)