132 lines
5.1 KiB
Python
132 lines
5.1 KiB
Python
# -*- coding: utf-8 -*-
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from datetime import datetime
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from django import forms
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from django.contrib.contenttypes.models import ContentType
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from django.core.exceptions import ValidationError
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from django.db.models.signals import pre_delete
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from django.dispatch import receiver
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from django.template.loader import render_to_string
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from django.utils.translation import ugettext as _
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from django.utils.translation import ugettext_lazy, ugettext_noop
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from openslides.config.api import config, ConfigPage, ConfigVariable
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from openslides.config.signals import config_signal
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from openslides.projector.api import get_active_slide
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from openslides.projector.projector import Overlay
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from openslides.projector.signals import projector_overlays
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from .models import Item
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def validate_start_time(value):
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try:
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datetime.strptime(value, '%d.%m.%Y %H:%M')
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except ValueError:
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raise ValidationError(_('Invalid input.'))
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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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validators=[validate_start_time, ],
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widget=forms.DateTimeInput(format='%d.%m.%Y %H:%M'),
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required=False,
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label=ugettext_lazy('Begin of event'),
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help_text=ugettext_lazy('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=1,
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form_field=forms.IntegerField(
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min_value=0,
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label=ugettext_lazy('Number of last speakers to be shown on the projector')))
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agenda_couple_countdown_and_speakers = ConfigVariable(
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name='agenda_couple_countdown_and_speakers',
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default_value=False,
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form_field=forms.BooleanField(
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label=ugettext_lazy('Couple countdown with the list of speakers'),
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help_text=ugettext_lazy('[Begin speach] starts the countdown, [End speach] stops the countdown.'),
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required=False))
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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,
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agenda_show_last_speakers,
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agenda_couple_countdown_and_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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The overlay is only shown on agenda-items and not on the
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list-of-speakers slide.
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"""
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active_slide = get_active_slide()
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slide_type = active_slide.get('type', None)
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active_slide_pk = active_slide.get('pk', None)
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if (active_slide['callback'] == 'agenda' and
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slide_type != 'list_of_speakers' and
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active_slide_pk is not None):
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item = Item.objects.get(pk=active_slide_pk)
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list_of_speakers = item.get_list_of_speakers(
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old_speakers_count=config['agenda_show_last_speakers'],
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coming_speakers_count=5)
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context = {
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'list_of_speakers': list_of_speakers,
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'closed': item.speaker_list_closed,
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}
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return render_to_string('agenda/overlay_speaker_projector.html', context)
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else:
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return None
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return Overlay(name, get_widget_html, get_projector_html)
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@receiver(pre_delete)
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def listen_to_related_object_delete_signal(sender, instance, **kwargs):
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"""
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Receiver to listen whether a related item has been deleted.
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"""
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if hasattr(instance, 'get_agenda_title'):
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for item in Item.objects.filter(content_type=ContentType.objects.get_for_model(sender), object_id=instance.pk):
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item.title = '< Item for deleted slide (%s) >' % instance.get_agenda_title()
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item.content_type = None
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item.object_id = None
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item.save()
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