__init__.py 文件源码

def sendChangedPropertiesEvent(self):
        eventable_ids = []
        for prop_id in self._component._props.keys():
            prop_def = self._component._props.getPropDef(prop_id)
            if prop_def.isSendEventChange():
                newValue = self._component._props[prop_id]
                try:
                    oldValue = self._last_property_event_state[prop_id]
                    self._last_property_event_state[prop_id] = copy.deepcopy(newValue)
                except KeyError:
                    self._component._log.debug("Issuing event for the first time %s", prop_id)
                    self._last_property_event_state[prop_id] = copy.deepcopy(newValue)
                    eventable_ids.append(prop_id)
                else:
                    if prop_def.compareValues(oldValue, newValue):
                        self._component._log.debug("Issuing event for %s (%s != %s)", prop_id, oldValue, newValue)
                        eventable_ids.append(prop_id)
        self._component._log.debug("Eventing for properties %s", eventable_ids)
        self.sendPropertiesEvent(eventable_ids)