class StateObserver:
def __init__(self, stateregister):
self.bus = EventBus()
self.register = stateregister
self.active_state = None
def bind(self, event, callback):
self.bus.register(event, callback)
def get_register(self):
return self.register
def change_state(self, state):
state.action(self, *self.active_state_args)
def set_state(self, name, args=[]):
state = self.register.get_state(name)
self.bus.post('change', (self.active_state, state))
if self.active_state is not None:
self.bus.post('finish', self.active_state)
print "[SM] State replaced"
self.active_state = state
self.active_state_args = args
def state_finished(self, state):
if state == self.active_state and not state.was_interrupted:
self.bus.post('finish', state)
self.active_state = None
def get_active_state(self):
return self.active_state
def next_state(self):
while self.active_state != None:
yield self.active_state
def get_states(self):
return self.register.states[0]
class StateObserver:
def __init__(self, stateregister):
self.bus = EventBus()
self.register = stateregister
self.active_state = None
def bind(self, event, callback):
self.bus.register(event, callback)
def get_register(self):
return self.register
def change_state(self, state):
state.action(self, *self.active_state_args)
def set_state(self, name, args=[]):
state = self.register.get_state(name)
self.bus.post('change', (self.active_state, state))
if self.active_state is not None:
self.bus.post('finish', self.active_state)
print "[SM] State replaced"
self.active_state = state
self.active_state_args = args
def state_finished(self, state):
if state == self.active_state and not state.was_interrupted:
self.bus.post('finish', state)
self.active_state = None
def get_active_state(self):
return self.active_state
def next_state(self):
while self.active_state != None:
yield self.active_state
def get_states(self):
return self.register.states[0]
from event_bus import EventBus
from sample_event import SampleEvent
KEY_ESCAPE = 27
event_bus = EventBus()
assert event_bus is not None
def onEventKey(event: SampleEvent):
assert event is not None
assert event.key == KEY_ESCAPE
assert len(event_bus.getHandlers(SampleEvent)) == 0
event_bus.unregister(onEventKey)
assert len(event_bus.getHandlers(SampleEvent)) == 0
event_bus.register(onEventKey)
assert len(event_bus.getHandlers(SampleEvent)) == 1
event_bus.unregister(onEventKey)
assert len(event_bus.getHandlers(SampleEvent)) == 0
event_bus.register(onEventKey)
assert len(event_bus.getHandlers(SampleEvent)) == 1
event_bus.emit(SampleEvent(KEY_ESCAPE))
