37 lines
1023 B
Python
37 lines
1023 B
Python
import datetime
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from kivy.uix.label import Label
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from kivy.properties import NumericProperty, StringProperty, \
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ObjectProperty, AliasProperty
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from kivy.clock import Clock
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from signage.fader import NodeBehavior
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class ClockNode(NodeBehavior, Label):
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update_interval = NumericProperty(1.0)
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format = StringProperty("%H:%M")
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now = ObjectProperty(None)
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def get_text(self):
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if self.now and self.format:
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return self.now.strftime(self.format)
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return ''
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text = AliasProperty(get_text, bind=['now', 'format'])
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_interval = None
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def __init__(self, **kwargs):
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super(ClockNode, self).__init__(**kwargs)
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self.on_update_interval(None, self.update_interval)
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self.update_clock()
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def on_update_interval(self, instance, value):
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if self._interval:
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self._interval.cancel()
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self._interval = Clock.schedule_interval(self.update_clock, value)
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def update_clock(self, dt=None):
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self.now = datetime.datetime.now()
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