Example usage for com.vaadin.ui Link setEnabled

Introduction

In this page you can find the example usage for com.vaadin.ui Link setEnabled.

Prototype

@Override
    public void setEnabled(boolean enabled) 

Source Link

Usage

From source file:com.klwork.explorer.ui.main.views.SampleMainView.java

License:Apache License

@PostConstruct
public void PostConstruct() {
    setSizeFull();/*from w w w.j a  v a 2  s  .  c  o  m*/
    VerticalLayout layout = new VerticalLayout();
    layout.setSpacing(true);
    layout.setMargin(true);

    HorizontalLayout usernameLayout = new HorizontalLayout();
    usernameLayout.setSpacing(true);
    usernameLayout.addComponent(new Label("Username:"));
    usernameLayout.addComponent(usernameLabel);

    //HorizontalLayout userRolesLayout = new HorizontalLayout();
    //userRolesLayout.setSpacing(true);
    //userRolesLayout.addComponent(new Label("Roles:"));
    //userRolesLayout.addComponent(rolesLabel);

    layout.addComponent(usernameLayout);
    //addComponent(userRolesLayout);

    Link roleUserView = new Link("Role \"user\" View (disabled, if user doesn't have access)",
            new ExternalResource("#!" + RoleUserView.NAME));
    Link roleAdminView = new Link("Role \"admin\" View (disabled, if user doesn't have access)",
            new ExternalResource("#!" + RoleAdminView.NAME));
    Link authenticatedView = new Link("@RequiresAuthentication View (disabled, if user doesn't have access)",
            new ExternalResource("#!" + AuthenticatedView.NAME));
    Link guestView = new Link("@RequiresGuest View (disabled, if user doesn't have access)",
            new ExternalResource("#!" + GuestView.NAME));
    Link userView = new Link("@RequiresUser View (disabled, if user doesn't have access)",
            new ExternalResource("#!" + UserView.NAME));

    roleUserView.setEnabled(ShiroSecurityNavigator.hasAccess(RoleUserView.class));
    roleAdminView.setEnabled(ShiroSecurityNavigator.hasAccess(RoleAdminView.class));
    authenticatedView.setEnabled(ShiroSecurityNavigator.hasAccess(AuthenticatedView.class));
    guestView.setEnabled(ShiroSecurityNavigator.hasAccess(GuestView.class));
    userView.setEnabled(ShiroSecurityNavigator.hasAccess(UserView.class));

    layout.addComponent(roleUserView);
    layout.addComponent(roleAdminView);
    layout.addComponent(authenticatedView);
    layout.addComponent(guestView);
    layout.addComponent(userView);
    layout.addComponent(new Link("Role \"admin\" View (throw exception, if user doesn't have access)",
            new ExternalResource("#!" + RoleAdminView.NAME)));

    layout.addComponent(new Link("Logout", new ExternalResource("/logout/")));

    setContent(layout);
}

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