OpenSlides/openslides/agenda/signals.py
Emanuel Schuetze e5e7e1bcce Template improvements.
Improved agenda and participants overview.
2013-06-03 22:38:45 +02:00

114 lines
4.2 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
openslides.agenda.signals
~~~~~~~~~~~~~~~~~~~~~~~~~
Signals for the agenda app.
:copyright: (c) 20112013 by the OpenSlides team, see AUTHORS.
:license: GNU GPL, see LICENSE for more details.
"""
from datetime import datetime
from django.dispatch import receiver
from django import forms
from django.utils.translation import ugettext_lazy, ugettext_noop, ugettext as _
from django.template.loader import render_to_string
from django.core.exceptions import ValidationError
from openslides.config.signals import config_signal
from openslides.config.api import config, ConfigVariable, ConfigPage
from openslides.projector.signals import projector_overlays
from openslides.projector.projector import Overlay
from openslides.projector.api import (get_active_slide, get_slide_from_sid,
clear_projector_cache)
from .models import Speaker, Item
def validate_start_time(value):
try:
datetime.strptime(value, '%d.%m.%Y %H:%M')
except ValueError:
raise ValidationError(_('Invalid input.'))
# TODO: Reinsert the datepicker scripts in the template
@receiver(config_signal, dispatch_uid='setup_agenda_config_page')
def setup_agenda_config_page(sender, **kwargs):
"""
Agenda config variables.
"""
# TODO: Insert validator for the format or use other field carefully.
agenda_start_event_date_time = ConfigVariable(
name='agenda_start_event_date_time',
default_value='',
form_field=forms.CharField(
validators=[validate_start_time, ],
widget=forms.DateTimeInput(format='%d.%m.%Y %H:%M'),
required=False,
label=ugettext_lazy('Begin of event'),
help_text=ugettext_lazy('Input format: DD.MM.YYYY HH:MM')))
agenda_show_last_speakers = ConfigVariable(
name='agenda_show_last_speakers',
default_value=1,
form_field=forms.IntegerField(
min_value=0,
label=ugettext_lazy('Number of last speakers to be shown on the projector')))
extra_stylefiles = ['styles/timepicker.css', 'styles/jquery-ui/jquery-ui.custom.min.css']
extra_javascript = ['javascript/jquery-ui.custom.min.js',
'javascript/jquery-ui-timepicker-addon.min.js',
'javascript/jquery-ui-sliderAccess.min.js',
'javascript/agenda-config-datepicker.js']
return ConfigPage(title=ugettext_noop('Agenda'),
url='agenda',
required_permission='config.can_manage',
weight=20,
variables=(agenda_start_event_date_time, agenda_show_last_speakers),
extra_context={'extra_stylefiles': extra_stylefiles,
'extra_javascript': extra_javascript})
@receiver(projector_overlays, dispatch_uid="agenda_list_of_speakers")
def agenda_list_of_speakers(sender, **kwargs):
"""
Receiver for the list of speaker overlay.
"""
name = 'agenda_speaker'
def get_widget_html():
"""
Returns the the html-code to show in the overly-widget.
"""
return render_to_string('agenda/overlay_speaker_widget.html')
def get_projector_html():
"""
Returns an html-code to show on the projector.
"""
slide = get_slide_from_sid(get_active_slide(only_sid=True), element=True)
if not isinstance(slide, Item):
# Only show list of speakers overlay on agenda items
return None
if config['presentation_argument'] == 'show_list_of_speakers':
# Do not show list of speakers overlay on the list of speakers slide
return None
clear_projector_cache()
list_of_speakers = slide.get_list_of_speakers(
old_speakers_count=config['agenda_show_last_speakers'],
coming_speakers_count=5)
context = {
'list_of_speakers': list_of_speakers,
'closed': slide.speaker_list_closed,
}
return render_to_string('agenda/overlay_speaker_projector.html', context)
return Overlay(name, get_widget_html, get_projector_html)