def init(self):
mainWindow = Window('Refresher')
self.setMainWindow(mainWindow)
panel = Panel('Refresher example')
layout = HorizontalLayout()
refresher = Refresher()
label = Label('0')
thread = CounterThread(label)
thread.start()
label.setData(0)
panel.addComponent(refresher)
panel.addComponent(Label("<div style='margin-bottom:10px'>"
+ "The Refresher allows you to affect the UI "
+ "from external threads without "
+ "<a href='http://vaadin.com/forum/-/message_boards/message/69792' target='_blank'>"
+ "the ProgressIndicator hack</a>.</div>", Label.CONTENT_XHTML))
panel.addComponent(layout)
layout.setSpacing(True)
layout.addComponent(Button('Start Counting',
StartClickListener(refresher, thread)))
layout.addComponent(Button('Stop Counting',
StopClickListener(refresher, thread)))
layout.addComponent(label)
mainWindow.setContent(panel)
