Package com.google.web.bindery.event.shared

Examples of com.google.web.bindery.event.shared.EventBus.fireEvent()

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    TestPresenter.MyEventBinder binder = GWT.create(TestPresenter.MyEventBinder.class);
    binder.bindEventHandlers(presenter, eventBus);

    // Test one event
    assertEquals(0, presenter.firstEventsHandled);
    eventBus.fireEvent(new FirstEvent());
    assertEquals(1, presenter.firstEventsHandled);
    assertEquals(1, presenter.firstEventsWithoutParameterHandled);
    assertEquals(1, presenter.firstAndSecondEventsHandled);

    // Test another event twice
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    assertEquals(1, presenter.firstEventsWithoutParameterHandled);
    assertEquals(1, presenter.firstAndSecondEventsHandled);

    // Test another event twice
    assertEquals(0, presenter.secondEventsHandled);
    eventBus.fireEvent(new SecondEvent());
    eventBus.fireEvent(new SecondEvent());
    assertEquals(2, presenter.secondEventsHandled);
    assertEquals(3, presenter.firstAndSecondEventsHandled);
  }
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    assertEquals(1, presenter.firstAndSecondEventsHandled);

    // Test another event twice
    assertEquals(0, presenter.secondEventsHandled);
    eventBus.fireEvent(new SecondEvent());
    eventBus.fireEvent(new SecondEvent());
    assertEquals(2, presenter.secondEventsHandled);
    assertEquals(3, presenter.firstAndSecondEventsHandled);
  }

  public void testEventBinder_unbindEventHandlers() {
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    assertEquals(0, presenter.firstEventsHandled);
    assertEquals(0, presenter.firstEventsWithoutParameterHandled);
    assertEquals(0, presenter.secondEventsHandled);

    // Before unregistering
    eventBus.fireEvent(new FirstEvent());
    eventBus.fireEvent(new SecondEvent());
    assertEquals(1, presenter.firstEventsHandled);
    assertEquals(1, presenter.firstEventsWithoutParameterHandled);
    assertEquals(1, presenter.secondEventsHandled);
    assertEquals(2, presenter.firstAndSecondEventsHandled);
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    assertEquals(0, presenter.firstEventsWithoutParameterHandled);
    assertEquals(0, presenter.secondEventsHandled);

    // Before unregistering
    eventBus.fireEvent(new FirstEvent());
    eventBus.fireEvent(new SecondEvent());
    assertEquals(1, presenter.firstEventsHandled);
    assertEquals(1, presenter.firstEventsWithoutParameterHandled);
    assertEquals(1, presenter.secondEventsHandled);
    assertEquals(2, presenter.firstAndSecondEventsHandled);
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    assertEquals(1, presenter.secondEventsHandled);
    assertEquals(2, presenter.firstAndSecondEventsHandled);

    // After unregistering
    registration.removeHandler();
    eventBus.fireEvent(new FirstEvent());
    eventBus.fireEvent(new SecondEvent());
    assertEquals(1, presenter.firstEventsHandled);
    assertEquals(1, presenter.firstEventsWithoutParameterHandled);
    assertEquals(1, presenter.secondEventsHandled);
    assertEquals(2, presenter.firstAndSecondEventsHandled);
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    assertEquals(2, presenter.firstAndSecondEventsHandled);

    // After unregistering
    registration.removeHandler();
    eventBus.fireEvent(new FirstEvent());
    eventBus.fireEvent(new SecondEvent());
    assertEquals(1, presenter.firstEventsHandled);
    assertEquals(1, presenter.firstEventsWithoutParameterHandled);
    assertEquals(1, presenter.secondEventsHandled);
    assertEquals(2, presenter.firstAndSecondEventsHandled);
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    assertEquals(1, presenter.secondEventsHandled);
    assertEquals(2, presenter.firstAndSecondEventsHandled);

    // After re-registering
    binder.bindEventHandlers(presenter, eventBus);
    eventBus.fireEvent(new FirstEvent());
    eventBus.fireEvent(new SecondEvent());
    assertEquals(2, presenter.firstEventsHandled);
    assertEquals(2, presenter.firstEventsWithoutParameterHandled);
    assertEquals(2, presenter.secondEventsHandled);
    assertEquals(4, presenter.firstAndSecondEventsHandled);
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    assertEquals(2, presenter.firstAndSecondEventsHandled);

    // After re-registering
    binder.bindEventHandlers(presenter, eventBus);
    eventBus.fireEvent(new FirstEvent());
    eventBus.fireEvent(new SecondEvent());
    assertEquals(2, presenter.firstEventsHandled);
    assertEquals(2, presenter.firstEventsWithoutParameterHandled);
    assertEquals(2, presenter.secondEventsHandled);
    assertEquals(4, presenter.firstAndSecondEventsHandled);
  }
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    EventBus eventBus = new SimpleEventBus();
    SubPresenter presenter = new SubPresenter();
    SubPresenter.MyEventBinder binder = GWT.create(SubPresenter.MyEventBinder.class);
    binder.bindEventHandlers(presenter, eventBus);

    eventBus.fireEvent(new FirstEvent());
    eventBus.fireEvent(new SecondEvent());
    eventBus.fireEvent(new ThirdEvent());

    // FirstEvent has a handler in both classes, so it should be handled twice
    assertEquals(1, presenter.firstEventsHandled);
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