Examples of com.vaadin.navigator.View.enter()

com.vaadin.navigator.View.enter()
This view is navigated to. This method is always called before the view is shown on screen. {@link ViewChangeEvent#getParameters() event.getParameters()} may containextra parameters relevant to the view. @param event ViewChangeEvent representing the view change that is occurring. {@link ViewChangeEvent#getNewView() event.getNewView()} returns this.


    public void testNavigateToUnknownView() {
        TestNavigator navigator = new TestNavigator();


        View errorView = EasyMock.createMock(View.class);
        errorView.enter(EasyMock.anyObject(ViewChangeEvent.class));
        EasyMock.replay(errorView);


        try {
            navigator.navigateTo("doesnotexist");
            fail("Should throw IllegalArgumentException");

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        navigator.setErrorView(errorView);
        navigator.navigateTo("doesnotexist");


        View testView = EasyMock.createMock(View.class);
        testView.enter(EasyMock.anyObject(ViewChangeEvent.class));
        EasyMock.replay(testView);


        navigator.addView("doesnotexist", testView);
        navigator.navigateTo("doesnotexist");

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        navigator.addView("doesnotexist", testView);
        navigator.navigateTo("doesnotexist");


        View errorView2 = EasyMock.createMock(View.class);
        errorView2.enter(EasyMock.anyObject(ViewChangeEvent.class));
        EasyMock.replay(errorView2);


        ViewProvider errorProvider = EasyMock.createMock(ViewProvider.class);
        EasyMock.expect(errorProvider.getView("doesnotexist2")).andReturn(
                errorView2);

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        View view = control.createMock(View.class);
        ViewDisplay display = control.createMock(ViewDisplay.class);


        display.showView(view);
        view.enter(EasyMock.anyObject(ViewChangeEvent.class));


        control.replay();


        NavigationStateManager manager = EasyMock
                .createNiceMock(NavigationStateManager.class);

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        EasyMock.expect(manager.getState()).andReturn("test1");


        EasyMock.expect(provider.getViewName("test2/")).andReturn("test2");
        EasyMock.expect(provider.getView("test2")).andReturn(view2);
        EasyMock.expect(manager.getState()).andReturn("test1");
        view2.enter(eventParametersEqual(""));
        display.showView(view2);
        manager.setState("test2");
        EasyMock.expect(manager.getState()).andReturn("test2");


        EasyMock.expect(provider.getViewName("test1/params"))

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        manager.setNavigator(EasyMock.anyObject(Navigator.class));


        EasyMock.expect(provider.getViewName("test2")).andReturn("test2");
        EasyMock.expect(provider.getView("test2")).andReturn(view2);
        EasyMock.expect(manager.getState()).andReturn("view1");
        view2.enter(eventParametersEqual(""));
        display.showView(view2);
        manager.setState("test2");


        EasyMock.expect(provider.getViewName("")).andReturn("test1");
        EasyMock.expect(provider.getView("test1")).andReturn(view1);

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        EasyMock.expect(provider.getView("test2")).andReturn(view2);
        ViewChangeEvent event2 = new ViewChangeEvent(navigator, view1, view2,
                "test2", "");
        listener.addExpectedIsViewChangeAllowed(event2, true);
        EasyMock.expect(manager.getState()).andReturn("test1");
        view2.enter(eventParametersEqual(""));
        display.showView(view2);
        manager.setState("test2");
        listener.addExpectedNavigatorViewChange(event2);


        control.replay();

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        EasyMock.expect(manager.getState()).andReturn("view1");
        ViewChangeEvent event4 = new ViewChangeEvent(navigator, view1, view2,
                "test2", "");
        listener1.addExpectedIsViewChangeAllowed(event4, true);
        listener2.addExpectedIsViewChangeAllowed(event4, true);
        view2.enter(EasyMock.isA(ViewChangeEvent.class));
        display.showView(view2);
        manager.setState("test2");
        listener1.addExpectedNavigatorViewChange(event4);
        listener2.addExpectedNavigatorViewChange(event4);

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