148 lines
4.1 KiB
Python
148 lines
4.1 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.projector.projector
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Slide functions for the projector app.
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:copyright: 2011, 2012 by 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 time import time
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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 config.models import config
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from openslides.projector.signals import projector_overlays
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SLIDE = {}
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class SlideMixin(object):
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"""
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A Mixin for a Django-Model, for making the model a slide.
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"""
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def slide(self):
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"""
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Return a map with all Data for a Slide
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"""
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return {
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'slide': self,
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'title': 'dummy-title',
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'template': 'projector/default.html',
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}
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@property
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def sid(self):
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"""
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Return the sid from this Slide
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"""
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for key, value in SLIDE.iteritems():
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if type(self) == value.model:
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return "%s-%d" % (key, self.id)
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return None
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@property
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def active(self):
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"""
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Return True, if the the slide is the active one.
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"""
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from api import get_active_slide
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return True if get_active_slide(only_sid=True) == self.sid else False
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def set_active(self):
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"""
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Appoint this item as the active one.
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"""
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config["presentation"] = "%s-%d" % (self.prefix, self.id)
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class Slide(object):
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def __init__(self, model_slide=False, func=None, model=None, category=None,
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key=None, model_name='', control_template='', weight=0, name=''):
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"""
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model_slide: Boolean if the value is a Model.
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func: The function to call. Only if modelslide is False.
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model: The model. Only if modelslide is True.
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model_name: The name shown for the model.
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category: The category to show this Slide.
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key: the key in the slide object to find itself.
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"""
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self.model_slide = model_slide
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self.func = func
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self.model = model
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self.model_name = model_name
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self.category = category
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self.key = key
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self.control_template = control_template
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self.weight = weight
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self.name = name
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@property
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def active(self):
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from api import get_active_slide
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return get_active_slide(True) == self.key
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def get_items(self):
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try:
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return self.model.objects.all()
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except AttributeError:
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return 'No Model'
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class Widget(object):
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def __init__(self, name, html=None, template=None, context={}):
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self.name = name
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if html is not None:
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self.html = html
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elif template is not None:
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self.html = render_to_string(template, context)
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def get_name(self):
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return self.name.lower()
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def get_html(self):
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return self.html
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def get_title(self):
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return self.name.capitalize()
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@receiver(projector_overlays, dispatch_uid="projector_countdown")
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def countdown(sender, **kwargs):
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name = 'Countdown'
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if kwargs['register']:
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return name
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if name in kwargs['call']:
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if config['countdown_state'] == 'active':
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seconds = max(0, int(config['countdown_start_stamp'] + config['countdown_time'] - time()))
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elif config['countdown_state'] == 'paused':
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seconds = max(0, int(config['countdown_start_stamp'] + config['countdown_time'] - config['countdown_pause_stamp']))
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elif config['countdown_state'] == 'inactive':
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seconds = max(0, int(config['countdown_time']))
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else:
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seconds = 0
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if seconds == 0:
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config['countdown_state'] = 'expired'
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return (name, '%02d:%02d' % (seconds / 60, seconds % 60))
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return None
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@receiver(projector_overlays, dispatch_uid="projector_message")
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def projector_message(sender, **kwargs):
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name = 'Message'
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if kwargs['register']:
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return name
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if name in kwargs['call']:
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message = config['projector_message']
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if message != '':
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return (name, message)
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return None
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