timer example using a view controller

timer_example.enaml

from enaml.widgets.api import Window, Container, PushButton, Timer

class StateMachine(object):
    # normally handles some complicated view controller process
    # but here we just want to listen for the timer timeout
    def __init__(self, view):
        self.view = view
        self.timer = Timer()
        self.timer.interval = 350
        self.timer.single_shot = True
        def bang(change):
            print "BANG"
        self.timer.timeout = bang
    def start(self):
        self.timer.start()

enamldef Main(Window): mainwin:
    attr message = "push to start timer"
    Container:
        PushButton:
            text = message
            clicked :: StateMachine(mainwin).start()

timer_example2.enaml

from enaml.widgets.api import Window, Container, PushButton, Timer

class StateMachine(object):
    # normally handles some complicated view controller process
    # but here we just want to listen for the timer timeout
    def __init__(self, view):
        self.view = view
        self.timer = Timer()
        self.timer.interval = 350
        self.timer.single_shot = True
        def bang(change):
            print "BANG"
        self.timer.observe('timeout', bang)
    def start(self):
        self.timer.start()

enamldef Main(Window): mainwin:
    attr message = "push to start timer"
    Container:
        PushButton:
            text = message
            clicked :: StateMachine(mainwin).start()

timer_example3.enaml

from enaml.widgets.api import Window, Container, PushButton, Timer

def bang():
    print "BANG"
            
enamldef Main(Window): mainwin:
    attr message = "push to start timer"
    Container:
        PushButton:
            text = message
            clicked :: timer.start()
        Timer: timer:
            interval = 350
            single_shot = True
            timeout :: bang()