114 lines
4.2 KiB
Python
114 lines
4.2 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.agenda.signals
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Signals for the agenda app.
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:copyright: (c) 2011–2013 by the OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
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"""
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from django.dispatch import receiver
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from django import forms
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from django.utils.translation import ugettext_lazy, ugettext_noop, ugettext as _
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from django.template.loader import render_to_string
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from openslides.config.signals import config_signal
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from openslides.config.api import ConfigVariable, ConfigPage, config
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from openslides.projector.signals import projector_overlays
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from openslides.projector.projector import Overlay
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from openslides.projector.api import (get_active_slide, get_slide_from_sid,
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clear_projector_cache)
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from .models import Speaker, Item
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# TODO: Reinsert the datepicker scripts in the template
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@receiver(config_signal, dispatch_uid='setup_agenda_config_page')
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def setup_agenda_config_page(sender, **kwargs):
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"""
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Agenda config variables.
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"""
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# TODO: Insert validator for the format or use other field carefully.
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agenda_start_event_date_time = ConfigVariable(
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name='agenda_start_event_date_time',
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default_value='',
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form_field=forms.CharField(
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widget=forms.DateTimeInput(format='%d.%m.%Y %H:%M'),
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required=False,
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label=_('Begin of event'),
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help_text=_('Input format: DD.MM.YYYY HH:MM')))
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agenda_show_last_speakers = ConfigVariable(
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name='agenda_show_last_speakers',
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default_value=0,
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form_field=forms.IntegerField(
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min_value=0,
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label=_('Number of last speakers, to show on the projector')))
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extra_stylefiles = ['styles/timepicker.css', 'styles/jquery-ui/jquery-ui.custom.min.css']
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extra_javascript = ['javascript/jquery-ui.custom.min.js',
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'javascript/jquery-ui-timepicker-addon.min.js',
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'javascript/jquery-ui-sliderAccess.min.js',
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'javascript/agenda-config-datepicker.js']
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return ConfigPage(title=ugettext_noop('Agenda'),
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url='agenda',
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required_permission='config.can_manage',
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weight=20,
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variables=(agenda_start_event_date_time, agenda_show_last_speakers),
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extra_context={'extra_stylefiles': extra_stylefiles,
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'extra_javascript': extra_javascript})
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@receiver(projector_overlays, dispatch_uid="agenda_list_of_speakers")
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def agenda_list_of_speakers(sender, **kwargs):
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"""
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Receiver for the list of speaker overlay.
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"""
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name = 'agenda_speaker'
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def get_widget_html():
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"""
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Returns the the html-code to show in the overly-widget.
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"""
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return render_to_string('agenda/overlay_speaker_widget.html')
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def get_projector_html():
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"""
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Returns an html-code to show on the projector.
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"""
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slide = get_slide_from_sid(get_active_slide(only_sid=True), element=True)
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if not isinstance(slide, Item):
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# Only show list of speakers on Agenda-Items
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return None
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clear_projector_cache()
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speaker_query = Speaker.objects.filter(item=slide)
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try:
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actual_speaker = speaker_query.filter(end_time=None).exclude(begin_time=None).get()
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except Speaker.DoesNotExist:
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actual_speaker = None
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coming_speakers = speaker_query.filter(begin_time=None)[:5]
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old_speakers_count = config['agenda_show_last_speakers']
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if old_speakers_count > 0:
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old_speakers = speaker_query.exclude(end_time=None)
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old_speakers = old_speakers[max(0, old_speakers.count()) - old_speakers_count:]
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else:
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old_speakers = speaker_query.none()
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speakers = list(old_speakers) + [actual_speaker] + list(coming_speakers)
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context = {
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'actual_speaker': actual_speaker,
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'speakers': speakers,
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'old_speakers_count': -(old_speakers_count + 1)}
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return render_to_string('agenda/overlay_speaker_projector.html', context)
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return Overlay(name, get_widget_html, get_projector_html)
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