Examples of com.vaadin.navigator.View

com.vaadin.navigator.View
Interface for all views controlled by the navigator. Each view added to the navigator must implement this interface. Typically, a view is a {@link Component}. @author Vaadin Ltd @since 7.0

    // that can be received and handled by them
    public void selectedTabChange(final SelectedTabChangeEvent event) {
        eventBus.publish(context.getBean(HeaderView.class), ControlsContext.empty());
        Component c = event.getTabSheet().getSelectedTab();
        if (View.class.isAssignableFrom(c.getClass())) {
            View v = (View) c;
            Annotation[] annotations = v.getClass().getAnnotations();
            if (ArrayUtils.isNotEmpty(annotations)) {
                for (Annotation a: annotations) {
                    if (a instanceof VaadinView) {
                        VaadinView vv = (VaadinView) a;
                        // really just need the presenter whose name matched VaadinView#name to be

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        assertEquals("Registered view instance not returned by navigator",
                view, navigator.getView("test"));
    }


    public void testAddViewInstanceSameName() throws Exception {
        View view1 = new TestView();
        View view2 = new TestView2();


        TestNavigator navigator = new TestNavigator();


        navigator.addView("test", view1);
        navigator.addView("test", view2);

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    public void testAddViewClass() throws Exception {
        TestNavigator navigator = new TestNavigator();


        navigator.addView("test", TestView.class);


        View view = navigator.getView("test");
        assertNotNull("Received null view", view);
        assertEquals("Received incorrect type of view", TestView.class,
                view.getClass());
    }

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        } catch (IllegalArgumentException e) {
        }
    }


    public void testRemoveViewInstance() throws Exception {
        View view = new TestView();


        TestNavigator navigator = new TestNavigator();


        navigator.addView("test", view);
        navigator.removeView("test");

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        assertNull("View not removed", navigator.getView("test"));
    }


    public void testRemoveViewInstanceNothingElse() throws Exception {
        View view = new TestView();
        View view2 = new TestView2();


        TestNavigator navigator = new TestNavigator();


        navigator.addView("test", view);
        navigator.addView("test2", view2);

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    }


    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");
        } catch (IllegalArgumentException iae) {
        }


        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");


        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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    }


    public void testShowViewEnterOrder() {
        IMocksControl control = EasyMock.createStrictControl();


        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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    public void testGetView() throws Exception {
        ClassBasedViewProvider provider = new ClassBasedViewProvider("test",
                TestView.class);


        View view = provider.getView("test");
        assertNotNull("Did not get view from a provider", view);
        assertEquals("Incorrect view type", TestView.class, view.getClass());
    }

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    public void testGetViewIncorrectViewName() throws Exception {
        ClassBasedViewProvider provider = new ClassBasedViewProvider("test",
                TestView.class);


        View view = provider.getView("test2");
        assertNull("Got view from a provider for incorrect view name", view);
    }

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        IMocksControl control = EasyMock.createControl();
        NavigationStateManager manager = control
                .createMock(NavigationStateManager.class);
        ViewDisplay display = control.createMock(ViewDisplay.class);
        ViewProvider provider = control.createMock(ViewProvider.class);
        View view1 = control.createMock(View.class);
        View view2 = control.createMock(View.class);


        // prepare mocks: what to expect
        manager.setNavigator(EasyMock.anyObject(Navigator.class));


        EasyMock.expect(provider.getViewName("test1")).andReturn("test1");
        EasyMock.expect(provider.getView("test1")).andReturn(view1);
        EasyMock.expect(manager.getState()).andReturn("");
        view1.enter(eventParametersEqual(""));
        display.showView(view1);
        manager.setState("test1");
        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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