82 lines
2.3 KiB
Python
82 lines
2.3 KiB
Python
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from django.utils.timezone import now
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from django.utils.translation import ugettext as _
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from openslides.utils.projector import ProjectorElement
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from .exceptions import ProjectorException
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from .models import CustomSlide
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class CustomSlideSlide(ProjectorElement):
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"""
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Slide definitions for custom slide model.
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"""
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name = 'core/customslide'
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scripts = 'core/customslide_slide.js'
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def get_context(self):
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pk = self.config_entry.get('id')
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if not CustomSlide.objects.filter(pk=pk).exists():
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raise ProjectorException(_('Custom slide does not exist.'))
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return [{
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'collection': 'core/customslide',
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'id': pk}]
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class Clock(ProjectorElement):
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"""
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Clock on the projector.
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"""
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name = 'core/clock'
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scripts = 'core/clock.js'
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def get_context(self):
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return {'server_time': now().timestamp()}
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class Countdown(ProjectorElement):
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"""
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Countdown on the projector.
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To start the countdown write into the config field:
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{
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"countdown_time": <timestamp>,
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"status": "go"
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}
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The timestamp is a POSIX timestamp (seconds) calculated from server
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time, server time offset and countdown duration (countdown_time = now -
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serverTimeOffset + duration).
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To stop the countdown set the countdown time to the actual value of the
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countdown (countdown_time = countdown_time - now + serverTimeOffset)
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and set status to "stop".
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To reset the countdown (it is not a reset in a functional way) just
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change the countdown_time. The status value remain 'stop'.
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To hide a running countdown add {"hidden": true}.
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"""
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name = 'core/countdown'
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scripts = 'core/countdown.js'
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def get_context(self):
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if self.config_entry.get('countdown_time') is None:
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raise ProjectorException(_('No countdown time given.'))
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if self.config_entry.get('status') is None:
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raise ProjectorException(_('No status given.'))
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return {'server_time': now().timestamp()}
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class Message(ProjectorElement):
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"""
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Short message on the projector. Rendered as overlay.
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"""
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name = 'core/message'
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scripts = 'core/message.js'
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def get_context(self):
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if self.config_entry.get('message') is None:
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raise ProjectorException(_('No message given.'))
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