import de.agilecoders.wicket.core.markup.html.bootstrap.navbar.ImmutableNavbarComponent; //导入依赖的package包/类
protected Navbar newNavbar(String markupId) {
	Navbar navbar = new Navbar(markupId);

	navbar.setPosition(Navbar.Position.TOP);

	// show brand name
	navbar.brandName(Model.of("matetracker.de"));
	navbar.addComponents(NavbarComponents.transform(
			Navbar.ComponentPosition.LEFT, new NavbarButton<Homepage>(
					Homepage.class, Model.of("Home"))
					.setIconType(IconType.home)

	));

	if (getUser().getObject().getRole() == Role.Admin) {
		navbar.addComponents(NavbarComponents.transform(
				Navbar.ComponentPosition.RIGHT,
				new NavbarButton<UserPage>(UserPage.class, Model.of(_(
						"menu.user").getString()))
						.setIconType(IconType.user)));

		navbar.addComponents(NavbarComponents.transform(
				Navbar.ComponentPosition.RIGHT,
				new NavbarButton<AdminPage>(AdminPage.class, Model.of(_(
						"menu.admin").getString()))
						.setIconType(IconType.warningsign)));

	}
	navbar.addComponents(new ImmutableNavbarComponent(
			new NavbarButton<LogoutPage>(LogoutPage.class, Model
					.of("Logout")).setIconType(IconType.off),
			Navbar.ComponentPosition.RIGHT));

	return navbar;
}
 

import de.agilecoders.wicket.core.markup.html.bootstrap.navbar.ImmutableNavbarComponent; //导入依赖的package包/类
private void addThemesNav(final Navbar navbar, final ComponentPosition position) {
    final DropDownButton dropdown = new NavbarDropDownButton(Model.of(" Themes")) {

        @Override
        public boolean isActive(final Component item) {
            return false;
        }

        @Override
        protected List<AbstractLink> newSubMenuButtons(final String buttonMarkupId) {
            final List<AbstractLink> subMenu = new ArrayList<AbstractLink>();
            final IBootstrapSettings settings = Bootstrap.getSettings(getApplication());
            final List<ITheme> themes = settings.getThemeProvider().available();

            for (final ITheme theme : themes) {
                final PageParameters params = new PageParameters();
                final String themeName = theme.name();
                params.set(PAGE_PARAM_THEME, themeName);

                final IModel<String> labelModel = new AbstractReadOnlyModel<String>() {
                    @Override
                    public String getObject() {
                        final String activeThemeName = Bootstrap.getSettings(getApplication())
                                .getActiveThemeProvider()
                                .getActiveTheme()
                                .name();
                        String themeLabel = themeName.toLowerCase();
                        if (themeName.equals(activeThemeName)) {
                            themeLabel = "<b>" + themeLabel + "</b>";
                        }
                        return themeLabel;
                    }
                };

                subMenu.add(new MenuBookmarkablePageLink<Void>(getPageClass(), params, labelModel) {

                    @Override
                    protected Component newLabel(final String markupId) {
                        final Label label = (Label) super.newLabel(markupId);
                        label.setEscapeModelStrings(false);
                        return label;
                    }

                });
            }

            return subMenu;
        }
    }.setIconType(GlyphIconType.book);
    navbar.addComponents(new ImmutableNavbarComponent(dropdown, position));
}
 

import de.agilecoders.wicket.core.markup.html.bootstrap.navbar.ImmutableNavbarComponent; //导入依赖的package包/类
@Override
protected void onConfigure() {
	super.onConfigure();
	if (!menusAdded) {
		menusAdded = true;

		// add logo
		addUQasarLogo();

		if (UQasar.getSession().getLoggedInUser() != null) {
			// add projects submenu
			addComponents(new ImmutableNavbarComponent(new ProjectsSubMenu(
					new StringResourceModel("menu.projects.link.text", this,
							null)), Navbar.ComponentPosition.LEFT));
			

			// add quality models submenu
			addComponents(new ImmutableNavbarComponent(new QModelsSubMenu(
					new StringResourceModel("menu.qmodels.link.text", this,
							null)), Navbar.ComponentPosition.LEFT));

			// add search form
			addComponents(newNavbarSearchForm());

			// add notifications
			addComponents(new ImmutableNavbarComponent(
					new NotificationsSubMenu(
							NotificationDropDownMenu.createNotifications(treeNodeService)),
							Navbar.ComponentPosition.RIGHT));

			// add languages
			addComponents(newLanguageMenu());

			// add admin menu, if user has admin rights
			if (UQasar.getSession().getLoggedInUser().getRole() == Role.Administrator) {
				addComponents(new ImmutableNavbarComponent(new AdminSubMenu(
						Model.of("")), Navbar.ComponentPosition.RIGHT));
			}

			// add user menu
			addComponents(new ImmutableNavbarComponent(new UserSubMenu(
					UQasar.getSession().getLoggedInUser()),
					Navbar.ComponentPosition.RIGHT));
		} else {
			addComponents(newLanguageMenu());
			addComponents(newLoginButton());
		}
	}
}
 

import de.agilecoders.wicket.core.markup.html.bootstrap.navbar.ImmutableNavbarComponent; //导入依赖的package包/类
private AbstractNavbarComponent newLanguageMenu() {
	return new ImmutableNavbarComponent(
			new LanguageSubMenu(containingPage, new StringResourceModel("menu.languages.submenu.text", this, null)),
			Navbar.ComponentPosition.RIGHT);
}
 

import de.agilecoders.wicket.core.markup.html.bootstrap.navbar.ImmutableNavbarComponent; //导入依赖的package包/类
private AbstractNavbarComponent newLoginButton() {
	NavbarButton<LoginPage> loginButton = new NavbarButton<>(LoginPage.class, new StringResourceModel(
			"menu.login.link.text", this, null));
	return new ImmutableNavbarComponent(loginButton, Navbar.ComponentPosition.RIGHT);
}
 

import de.agilecoders.wicket.core.markup.html.bootstrap.navbar.ImmutableNavbarComponent; //导入依赖的package包/类
private void initLayout() {
    Navbar navbar = new Navbar(ID_NAVBAR) {

        @Override
        protected Label newBrandLabel(String markupId) {
            Label label = super.newBrandLabel(markupId);
            label.add(AttributeAppender.replace("title", createStringResource("GizmoApplication.projectVersion")));
            return label;
        }
    };
    navbar.setBrandName(createStringResource("GizmoApplication.projectName"));
    navbar.setPosition(Navbar.Position.STATIC_TOP);
    add(navbar);

    TopMenuItem item = new TopMenuItem(createStringResource("PageAppTemplate.menu.dashboard"), PageDashboard.class);
    navbar.addComponents(new ImmutableNavbarComponent(item));

    item = new TopMenuItem(createStringResource("PageAppTemplate.menu.customers"), PageCustomers.class);
    navbar.addComponents(new ImmutableNavbarComponent(item));

    item = new TopMenuItem(createStringResource("PageAppTemplate.menu.projects"), PageProjects.class);
    navbar.addComponents(new ImmutableNavbarComponent(item));

    item = new TopMenuItem(createStringResource("PageAppTemplate.menu.users"), PageUsers.class);
    navbar.addComponents(new ImmutableNavbarComponent(item));

    item = new TopMenuItem(createStringResource("PageAppTemplate.menu.emails"), PageEmails.class);
    navbar.addComponents(new ImmutableNavbarComponent(item));

    item = new TopMenuItem(createUsernameModel(), PageUser.class, createUserPageParams());
    item.setActive(true);
    navbar.addComponents(new ImmutableNavbarComponent(item, Navbar.ComponentPosition.RIGHT));

    NavbarExternalLink logoutLink = new NavbarExternalLink(
            new Model<>(RequestCycle.get().getRequest().getContextPath() + "/j_spring_security_logout"));
    logoutLink.setLabel(createStringResource("PageAppTemplate.menu.logout"));
    navbar.addComponents(new ImmutableNavbarComponent(logoutLink, Navbar.ComponentPosition.RIGHT));

    Label title = new Label(ID_TITLE, createPageTitleModel());
    add(title);

    MainFeedback feedback = new MainFeedback(ID_FEEDBACK);
    feedback.setOutputMarkupId(true);
    add(feedback);
}