class Context(object):
def __init__(self, *args, **kwargs):
super(Context, self).__init__()
self.signal = Signal()
def connect(self, receiver, sender=None, weak=True, dispatch_uid=None):
self.signal.connect(receiver, sender, weak, dispatch_uid)
def disconnect(self,
receiver=None,
sender=None,
weak=True,
dispatch_uid=None):
self.signal.disconnect(receiver, sender, weak, dispatch_uid)
def send(self, sender, **named):
self.signal.send(sender, **named)
class ButtonWrapper(object):
def __init__(self, node):
self.node = node
self.begin_singal = Signal()
self.moved_singal = Signal()
self.end_singal = Signal()
self.node.addTouchEventListener(self._event)
def _event(self, node, event):
if event == 0:
self.begin_singal.send(sender=self)
elif event == 1:
self.moved_singal.send(sender=self)
elif event == 2:
self.end_singal.send(sender=self)
def connect_end(self, receiver, sender=None, weak=True, dispatch_uid=None):
self.end_singal.connect(receiver, sender, weak, dispatch_uid)
class TextFieldWrapper(object):
def __init__(self, node):
self.node = node
self.detect_signal = Signal()
self.node.addEventListener(self._event)
@property
def text(self):
return self.node.getString()
@text.setter
def text(self, t):
self.node.setString(t)
def connect_detect(self,
receiver,
sender=None,
weak=True,
dispatch_uid=None):
self.detect_signal.connect(receiver, sender, weak, dispatch_uid)
def _event(self, node, e):
if e == const.EVENT_TYPE.TEXTFIELD_EVENT_DETACH_WITH_IME:
self.detect_signal.send(sender=self)
# Sample of python dispatcher
from dispatch import Signal
log_it = Signal(providing_args=['level', 'message'])
def simple_receiver(**kwargs):
message, level = kwargs['message'], kwargs['level']
print 'Receiver # 1'
print '\tLevel: %d, Message: %s\n' % (level, message)
def picky_receiver(**kwargs):
message, level = kwargs['message'], kwargs['level']
print 'Receiver # 2'
if level < 2:
print "\tSome unimportant message was sent. Ignoring it!\n"
log_it.connect(simple_receiver)
log_it.connect(picky_receiver)
def a_cool_sender():
# Do something cool here
# Now send a signal to all receivers
log_it.send(sender='a_cool_sender', message='Hello!', level=1)
a_cool_sender()
class Request(object):
def __init__(self, remote_addr):
self.remote_addr = remote_addr
self.time_start = time.time()
def enter(self):
request_started.send(sender=self, remote_addr=self.remote_addr)
def leave(self):
time_end = time.time()
request_ended.send(sender=self, time_start=self.time_start,
time_end=time_end)
def mycallback(signal, sender, **kwargs):
print("Received signal: %s" % repr(kwargs))
if __name__ == "__main__":
request_started.connect(mycallback)
request_ended.connect(mycallback)
request = Request("localhost")
request.enter()
request.leave()
