arrow_back history picture_as_pdf This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ~~NOTRANS~~ ~~Title: En-/Disable Navigation Programmatically~~ The standard application frame supports navigation between screens with Back/Forward buttons of the web browser. This feature is disabled by default. If you want to use the navigation with Back/Forward, simply add: <file xml> <servlet> <servlet-name>VaadinUI</servlet-name> <servlet-class>com.sibvisions.rad.ui.vaadin.server.VaadinServlet</servlet-class> ... <init-param> <param-name>Application.navigation</param-name> <param-value>true</param-value> </init-param> </servlet> </file> to the web.xml. Above setting is for the whole application and for all users. If you want finer control, it's possible to en-/disable the navigation in your application code, programmatically. A common use-case is that you en-/disable the navigation per user. To do this, create your own application (see [[vaadin:customize_application|CustomApplication]] class). Use following code snippet: <file java> @Override public void initUserRoles(String[] pRoles) { super.initUserRoles(pRoles); ((WebMenu)getMenu()).setNavigationEnabled(hasRole("admin")); } </file> to en-/disable navigation. It's important that you en-/disable the navigation in initUserRoles, because it's not possible to en-/disable the navigation after the menu was loaded.