Example usage for com.vaadin.navigator ViewDisplay ViewDisplay

Introduction

In this page you can find the example usage for com.vaadin.navigator ViewDisplay ViewDisplay.

Prototype

ViewDisplay

Source Link

Usage

From source file:org.lucidj.ui.gauss.GaussUI.java

License:Apache License

protected void initNavigator(UI ui) {
    navigator = new SafeNavigator(ui, new ViewDisplay() {
        @Override/*from   w  w w . ja  va2s. co  m*/
        public void showView(View view) {
            if (view instanceof com.vaadin.ui.Component) {
                set_contents((com.vaadin.ui.Component) view);
            } else {
                String msg = "Invalid component:\n" + view.getClass().getCanonicalName();
                set_contents(emptyContents);
            }
        }
    });

    //        navigator.setErrorView (FancyEmptyView.class);  ---> make it better
    navigator.addView(DAMN, damage_report_view);
    nav_manager.configureNavigator(navigator, null);

    navigator.addViewChangeListener(new ViewChangeListener() {
        @Override
        public boolean beforeViewChange(final ViewChangeEvent event) {
            if (false /* go somewhere else */) {
                navigator.navigateTo("neverland");
                return (false);
            }

            // Go ahead
            return (true);
        }

        @Override
        public void afterViewChange(final ViewChangeEvent event) {
            String navid = event.getViewName();

            // TODO: BUBBLE EVENT INTO PROPER MenuInstance
            //                highlight_menu_item(navid);

            View new_view = event.getNewView();
            AbstractComponent sidebar = null;
            AbstractComponent toolbar = null;

            // TODO: CHANGE TO Aggregates
            if (new_view instanceof ApplicationInterface) {
                ApplicationInterface app_view = (ApplicationInterface) new_view;

                sidebar = app_view.getSidebar();
                toolbar = app_view.getToolbar();
            }

            log.debug("Sidebar navid:{} = {}", navid, sidebar);
            log.debug("Toolbar navid:{} = {}", navid, toolbar);

            //---------------
            // Place sidebar
            //---------------

            set_sidebar(sidebar);

            //---------------
            // Place toolbar
            //---------------

            hToolbarPlaceholder.removeAllComponents();

            if (toolbar != null) {
                // Attach a new toolbar
                hToolbarPlaceholder.addComponent(toolbar);
            }

            // TODO: FIGURE OUT THE DESTINY OF THIS
            // This exists to autohide responsive sandwich menu.
            //menu.removeStyleName ("valo-menu-visible");
        }
    });

    // Start on default Home
    navigator.navigateTo("home");
}

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From source file:org.vaadin.spring.samples.sidebar.SideBarUI.java

License:Apache License

@Override
protected void init(VaadinRequest vaadinRequest) {
    getPage().setTitle("Vaadin4Spring Side Bar Sample");
    final HorizontalSplitPanel rootLayout = new HorizontalSplitPanel();
    rootLayout.setStyleName(Reindeer.SPLITPANEL_SMALL);
    rootLayout.setSizeFull();/*from  w  ww .j a v a 2s .c  om*/
    setContent(rootLayout);

    final Navigator navigator = new Navigator(this, new ViewDisplay() {
        @Override
        public void showView(View view) {
            System.out.println("Showing view " + view);
            rootLayout.setSecondComponent((com.vaadin.ui.Component) view);
        }
    });
    navigator.setErrorView(new ErrorView());
    navigator.addProvider(viewProvider);
    setNavigator(navigator);

    rootLayout.setFirstComponent(sideBar);
    rootLayout.setSplitPosition(150, Unit.PIXELS);
}

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