Applying Clay Patterns to Navigation

This tutorial covers how to leverage Clay patterns in your app’s navigation to make it more user-friendly. Updating your app’s navigation bar to use Clay is easy, thanks to the <clay:navigation-bar /> tag. Follow these steps to update your app:

  1. Add the required imports to your app’s init.jsp:

    // Import the clay tld file to be able to use the new tag
    <%@ taglib uri="" prefix="clay" %>
    // Import the NavigationItem utility class to create the items model
    <%@ page import="com.liferay.frontend.taglib.clay.servlet.taglib.util.JSPNavigationItemList" %>
  2. Add the frontend-taglib-clay and module dependencies to your app’s build.gradle file:

    compileOnly group: "com.liferay", name: "", 
    version: "1.0.10"
    compileOnly group: "com.liferay", name: "com.liferay.frontend.taglib.clay", 
    version: "1.0.0"
  3. Inside your JSP view, add a java scriplet to retrieve the navigation variable and portlet URL. An example configuration is shown below:

    final String navigation = ParamUtil.getString(request, "navigation", 
    PortletURL portletURL = renderResponse.createRenderURL();
    portletURL.setParameter("mvcRenderCommandName", "/blogs/view");
    portletURL.setParameter("navigation", navigation);
  4. Add the <clay:navigation-bar /> tag to your app, and use the items attribute to specify the navigation items. The navigation bar should be dark if your app is intended for Admin use. To do this, set the inverted attribute to true. If your app is intended for an instance on a live site, keep the navigation bar light by setting the inverted attribute to false. An example configuration for an admin app is shown below:

    	inverted="<%= true %>"
    		new JSPNavigationItemList(pageContext) {
    				navigationItem -> {
    					navigationItem.setLabel(LanguageUtil.get(request, "entries"));
    				navigationItem -> {
              "navigation", "images");
    					navigationItem.setLabel(LanguageUtil.get(request, "images"));
  5. Add a conditional block to display the proper JSP for the selected navigation item. An example configuration for the Blogs Admin portlet is shown below:

    	<c:when test='<%= navigation.equals("entries") %>'>
    		<liferay-util:include page="/blogs_admin/view_entries.jsp" 
        servletContext="<%= application %>" />
    		<liferay-util:include page="/blogs_admin/view_images.jsp" 
        servletContext="<%= application %>" />

Live site navigation bar:

Figure 1: The navigation bar should be light for apps on the live site.

Figure 1: The navigation bar should be light for apps on the live site.

Admin app navigation bar:

Figure 2: The navigation bar should be dark (inverted) in admin apps.

Figure 2: The navigation bar should be dark (inverted) in admin apps.

Sweet! Now you know how to style a navigation bar with Clay.

Implementing the Management Toolbar

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