46 lines
1.0 KiB
Python
46 lines
1.0 KiB
Python
from system import config
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from projector.models import SLIDE
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def get_slide_from_sid(sid):
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data = sid.split()
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if len(data) == 2:
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model = data[0]
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id = data[1]
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return SLIDE[model].objects.get(pk=id).slide()
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if len(data) == 1:
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try:
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return SLIDE[data[0]]()
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except KeyError:
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return None
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return None
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def get_active_slide(only_sid=False):
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"""
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Returns the active slide. If no slide is active, or it can not find an Item,
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it raise an error
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if only_sid is True, returns only the id of this item. Returns None if not Item
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is active. Does not Raise Item.DoesNotExist
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"""
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sid = config["presentation"]
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if only_sid:
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return sid
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return get_slide_from_sid(sid)
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def set_active_slide(sid):
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config["presentation"] = sid
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def register_slidemodel(model):
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SLIDE[model.prefix] = model
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def register_slidefunc(name, func):
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if ' ' in name:
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raise NameError('There can be no space in name')
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SLIDE[name] = func
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