54 lines
1.3 KiB
Python
54 lines
1.3 KiB
Python
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from kivy.uix.label import Label
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from kivy.properties import NumericProperty, ColorProperty
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from kivy.factory import Factory
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from kivyblocks.uitype import view_register, get_value
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class PriceView(Label):
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dec = NumericProperty(4)
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old_price = NumericProperty(None)
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price = NumericProperty(None)
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nor_color = ColorProperty([0.9,0.9,0.9,1]) # white
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inc_color = ColorProperty([0.9,0,0,1]) # red
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dec_color = ColorProperty([0,0.9,0,1]) # green
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def __init__(self, **kw):
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super(PriceView, self).__init__(text='', **kw)
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def on_price(self, price):
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if self.price is None:
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return
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if not isinstance(self.price, float) and \
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not isinstance(self.price, int):
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return
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f = '%%.0%df' % self.dec
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self.text = f % price
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if self.old_price is None:
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self.color = self.nor_color
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elif self.price > self.old_price:
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self.color = self.inc_color
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elif self.price < self.old_price:
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self.color = self.dec_color
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else:
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self.color = nor_color
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self.old_price = self.price
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def getValue(self):
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return self.price
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def setValue(self, v):
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self.price = v
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Factory.register('PriceView', PriceView)
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def build_view_price_widget(desc, rec=None):
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v = get_value(desc, rec=rec)
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return Factory.PriceView(price=v,
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font_size=CSize(1),
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halign='right',
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valign='middle'
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)
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view_register('price', build_view_price_widget)
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