OpenSlides/openslides/projector/projector.py

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from datetime import datetime
from django.dispatch import receiver
2012-03-12 18:22:18 +01:00
from system import config
from openslides.projector.signals import projector_messages
2012-03-12 18:22:18 +01:00
SLIDE = {}
class SlideMixin(object):
def slide(self):
"""
Return a map with all Data for a Slide
"""
return {
'slide': self,
'title': 'dummy-title',
'template': 'projector/default.html',
}
@property
def sid(self):
"""
Return the sid from this Slide
"""
for key, value in SLIDE.iteritems():
if type(self) == value.model:
return "%s-%d" % (key, self.id)
return None
@property
def active(self):
"""
Return True, if the the slide is the active one.
"""
from api import get_active_slide
return True if get_active_slide(only_sid=True) == self.sid else False
def set_active(self):
"""
Appoint this item as the active one.
"""
config["presentation"] = "%s-%d" % (self.prefix, self.id)
class Slide(object):
def __init__(self, model_slide=False, func=None, model=None, category=None, key=None, model_name=''):
"""
model_slide: Boolean if the value is a Model.
func: The function to call. Only if modelslide is False.
model: The model. Only if modelslide is True.
model_name: The name shown for the model.
category: The category to show this Slide.
key: the key in the slide object to find myself.
"""
self.model_slide = model_slide
self.func = func
self.model = model
self.model_name = model_name
self.category = category
self.key = key
def get_items(self):
return self.model.objects.all()
@receiver(projector_messages, dispatch_uid="projector_countdown")
def countdown(sender, **kwargs):
if config['countdown_visible']:
starttime = config['countdown_start']
if type(starttime) != type(datetime.now()):
config['countdown_start'] = datetime.now()
starttime = config['countdown_start']
#todo: return the time passt sinth starttime
return datetime.now() - starttime
return None