Example usage for com.vaadin.navigator Navigator setErrorProvider

Introduction

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

Prototype

public void setErrorProvider(ViewProvider provider) 

Source Link

Document

Registers a view provider that is queried for a view when no other view matches the navigation state.

Usage

From source file:com.lst.deploymentautomation.vaadin.core.LspsUI.java

License:Open Source License

private void initNavigation() {
    Navigator navigator = new AppNavigator(getUI(), appLayout);
    navigator.addView(TodoListView.ID, TodoListView.class);
    navigator.addView(DocumentsView.ID, DocumentsView.class);
    navigator.addView(RunModelView.ID, RunModelView.class);
    navigator.addView(SettingsView.ID, SettingsView.class);
    navigator.addView(TodoView.ID, TodoView.class); //expects to-do ID as parameter
    navigator.addView(DocumentView.ID, DocumentView.class); //expects document ID as parameter + optional document parameters aded as ?key=val&key=val
    navigator.addView(FormPreviewView.ID, FormPreviewView.class); //expects model instance ID + '/' + form expression as parameter

    navigator.setErrorProvider(new ViewProvider() {

        private static final long serialVersionUID = 1L;

        @Override/*from  ww w  . j  a v  a2 s  . com*/
        public String getViewName(String viewAndParameters) {
            return viewAndParameters;
        }

        @Override
        public View getView(String viewName) {
            return new EmptyView();
        }
    });

    navigator.addViewChangeListener(new ViewChangeListener() {

        private static final long serialVersionUID = 1L;

        @Override
        public boolean beforeViewChange(ViewChangeEvent event) {
            return true;
        }

        @Override
        public void afterViewChange(ViewChangeEvent event) {
            //update navigation menu
            String parameters = event.getParameters();
            boolean hasParameters = parameters != null && !parameters.isEmpty();
            appLayout.viewChanged(event.getViewName() + (hasParameters ? "/" + parameters : ""));

            //update page title
            View view = event.getNewView();
            Page page = event.getNavigator().getUI().getPage();
            String title = (view instanceof AppView) ? ((AppView) view).getTitle() : null;
            page.setTitle(getMessage("application.title") + (title == null ? "" : ": " + title));
        }
    });
}

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From source file:de.symeda.sormas.ui.MainScreen.java

License:Open Source License

public MainScreen(SormasUI ui) {

    CssLayout viewContainer = new CssLayout();
    viewContainer.setSizeFull();// www.  j av  a 2  s.c  o m
    viewContainer.addStyleName("sormas-content");

    final Navigator navigator = new Navigator(ui, viewContainer);
    navigator.setErrorProvider(new ViewProvider() {
        @Override
        public String getViewName(String viewAndParameters) {
            return viewAndParameters;
        }

        @Override
        public View getView(String viewName) {
            try {
                // Add new views to this clause to make sure that the right error page is shown
                if (viewName.equals(SurveillanceDashboardView.VIEW_NAME)
                        || viewName.equals(ContactsDashboardView.VIEW_NAME)
                        || viewName.equals(TasksView.VIEW_NAME) || viewName.equals(CasesView.VIEW_NAME)
                        || viewName.equals(ContactsView.VIEW_NAME) || viewName.equals(EventsView.VIEW_NAME)
                        || viewName.equals(SamplesView.VIEW_NAME) || viewName.equals(ReportsView.VIEW_NAME)
                        || viewName.equals(StatisticsView.VIEW_NAME) || viewName.equals(UsersView.VIEW_NAME)
                        || viewName.equals(OutbreaksView.VIEW_NAME) || viewName.equals(RegionsView.VIEW_NAME)
                        || viewName.equals(DistrictsView.VIEW_NAME)
                        || viewName.equals(CommunitiesView.VIEW_NAME)
                        || viewName.equals(HealthFacilitiesView.VIEW_NAME)
                        || viewName.equals(LaboratoriesView.VIEW_NAME)
                        || viewName.equals(PointsOfEntryView.VIEW_NAME)
                        || viewName.equals(UserRightsView.VIEW_NAME)) {
                    return AccessDeniedView.class.newInstance();
                } else {
                    return ErrorView.class.newInstance();
                }
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
    });

    menu = new Menu(navigator);
    if (UserProvider.getCurrent().hasUserRight(UserRight.DASHBOARD_VIEW)) {
        ControllerProvider.getDashboardController().registerViews(navigator);
    }
    if (UserProvider.getCurrent().hasUserRight(UserRight.DASHBOARD_SURVEILLANCE_ACCESS)) {
        menu.addView(SurveillanceDashboardView.class, AbstractDashboardView.ROOT_VIEW_NAME,
                I18nProperties.getCaption(Captions.mainMenuDashboard), VaadinIcons.DASHBOARD);
    } else if (UserProvider.getCurrent().hasUserRight(UserRight.DASHBOARD_CONTACT_ACCESS)) {
        menu.addView(ContactsDashboardView.class, AbstractDashboardView.ROOT_VIEW_NAME,
                I18nProperties.getCaption(Captions.mainMenuDashboard), VaadinIcons.DASHBOARD);
    }
    if (UserProvider.getCurrent().hasUserRight(UserRight.TASK_VIEW)) {
        menu.addView(TasksView.class, TasksView.VIEW_NAME, I18nProperties.getCaption(Captions.mainMenuTasks),
                VaadinIcons.TASKS);
    }
    if (UserProvider.getCurrent().hasUserRight(UserRight.CASE_VIEW)) {
        ControllerProvider.getCaseController().registerViews(navigator);
        menu.addView(CasesView.class, CasesView.VIEW_NAME, I18nProperties.getCaption(Captions.mainMenuCases),
                VaadinIcons.EDIT);
    }
    if (UserProvider.getCurrent().hasUserRight(UserRight.CONTACT_VIEW)) {
        ControllerProvider.getContactController().registerViews(navigator);
        menu.addView(ContactsView.class, ContactsView.VIEW_NAME,
                I18nProperties.getCaption(Captions.mainMenuContacts), VaadinIcons.HAND);
    }
    if (UserProvider.getCurrent().hasUserRight(UserRight.EVENT_VIEW)) {
        ControllerProvider.getEventController().registerViews(navigator);
        menu.addView(EventsView.class, EventsView.VIEW_NAME, I18nProperties.getCaption(Captions.mainMenuEvents),
                VaadinIcons.PHONE);
    }
    if (UserProvider.getCurrent().hasUserRight(UserRight.SAMPLE_VIEW)) {
        ControllerProvider.getSampleController().registerViews(navigator);
        menu.addView(SamplesView.class, SamplesView.VIEW_NAME,
                I18nProperties.getCaption(Captions.mainMenuSamples), VaadinIcons.DATABASE);
    }
    if (UserProvider.getCurrent().hasUserRight(UserRight.WEEKLYREPORT_VIEW)) {
        menu.addView(ReportsView.class, ReportsView.VIEW_NAME,
                I18nProperties.getCaption(Captions.mainMenuReports), VaadinIcons.FILE_TEXT);
    }
    if (UserProvider.getCurrent().hasUserRight(UserRight.STATISTICS_ACCESS)) {
        ControllerProvider.getStatisticsController().registerViews(navigator);
        menu.addView(StatisticsView.class, AbstractStatisticsView.ROOT_VIEW_NAME,
                I18nProperties.getCaption(Captions.mainMenuStatistics), VaadinIcons.BAR_CHART);
    }
    if (UserProvider.getCurrent().hasUserRight(UserRight.USER_VIEW)) {
        menu.addView(UsersView.class, UsersView.VIEW_NAME, I18nProperties.getCaption(Captions.mainMenuUsers),
                VaadinIcons.USERS);
    }
    if (UserProvider.getCurrent().hasUserRight(UserRight.CONFIGURATION_ACCESS)) {
        AbstractConfigurationView.registerViews(navigator);
        menu.addView(OutbreaksView.class, AbstractConfigurationView.ROOT_VIEW_NAME,
                I18nProperties.getCaption(Captions.mainMenuConfiguration), VaadinIcons.COGS);
    }
    menu.addView(AboutView.class, AboutView.VIEW_NAME, I18nProperties.getCaption(Captions.mainMenuAbout),
            VaadinIcons.INFO_CIRCLE);

    navigator.addViewChangeListener(viewChangeListener);

    ui.setNavigator(navigator);

    addComponent(menu);
    addComponent(viewContainer);
    setExpandRatio(viewContainer, 1);
    setSpacing(false);
    setMargin(false);
    setSizeFull();
}

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From source file:edu.nps.moves.mmowgli.AbstractMmowgliController.java

License:Open Source License

public void setupNavigator(Navigator nav) {
    nav.addProvider(new MyViewProvider());
    nav.addView("", CallToActionPage.class); // to start with
    nav.setErrorProvider(new MyErrorViewProvider());
}

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