add property api
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@ -24,25 +24,32 @@
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class BaseType(object):
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def has_properties(self):
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return bool(len(self.properties))
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def has_property(self, propname):
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return propname in self.properties
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def get_properties(self):
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return self.properties
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def add_property(self, propname):
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if not propname in self.properties:
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self.properties.append(propname)
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def del_property(self, propname):
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if not self.has_property(propname):
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raise TypeError("option has no property " + propname)
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self.properties.remove(propname)
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class HiddenBaseType(BaseType):
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def hide(self):
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if not 'hidden' in self.properties:
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self.properties.append('hidden')
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self.add_property('hidden')
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def show(self):
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if 'hidden' in self.properties:
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self.properties.remove('hidden')
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self.del_property('hidden')
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def _is_hidden(self):
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# dangerous method: how an Option() can determine its status by itself ?
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return 'hidden' in self.properties
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return self.has_property('hidden')
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class DisabledBaseType(BaseType):
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def disable(self):
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if not 'disabled' in self.properties:
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self.properties.append('disabled')
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self.add_property('disabled')
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def enable(self):
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if 'disabled' in self.properties:
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self.properties.remove('disabled')
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self.del_property('disabled')
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def _is_disabled(self):
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return 'disabled' in self.properties
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return self.has_property('disabled')
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