GUI -- Added category to the UiView abstraction.

Change-Id: I55fff4d242e8d6b8d8ce3d25e8f9355dc0ef976a

@@ -39,6 +39,7 @@ import java.util.List;
 import java.util.Set;
 
 import static java.util.Collections.synchronizedSet;
+import static org.onosproject.ui.UiView.Category.OTHER;
 
 /**
  * Mechanism to stream data to the GUI.
@@ -52,7 +53,7 @@ public class IntentPerfUi {
 
     private final Set<StreamingControl> handlers = synchronizedSet(new HashSet<>());
 
-    private List<UiView> views = ImmutableList.of(new UiView("intentPerf", "Intent Performance"));
+    private List<UiView> views = ImmutableList.of(new UiView(OTHER, "intentPerf", "Intent Performance"));
     private UiExtension uiExtension = new UiExtension(views, this::newHandlers,
                                                       getClass().getClassLoader());
 

@@ -24,21 +24,68 @@ import java.util.Objects;
  */
 public class UiView {
 
+    /**
+     * Designates navigation menu category.
+     */
+    public enum Category {
+        /**
+         * Represents platform related views.
+         */
+        PLATFORM("Platform"),
+
+        /**
+         * Represents network-control related views.
+         */
+        NETWORK("Network"),
+
+        /**
+         * Represents miscellaneous views.
+         */
+        OTHER("Other");
+
+        private final String label;
+
+        Category(String label) {
+            this.label = label;
+        }
+
+        /**
+         * Returns display label for the category.
+         *
+         * @return display label
+         */
+        public String label() {
+            return label;
+        }
+    }
+
     private final String id;
     private final String label;
+    private final Category category;
 
     /**
      * Creates a new user interface view descriptor.
      *
-     * @param id    view identifier
-     * @param label view label
+     * @param category view category
+     * @param id       view identifier
+     * @param label    view label
      */
-    public UiView(String id, String label) {
+    public UiView(Category category, String id, String label) {
+        this.category = category;
         this.id = id;
         this.label = label;
     }
 
     /**
+     * Returns the navigation category.
+     *
+     * @return navigation category
+     */
+    public Category category() {
+        return category;
+    }
+
+    /**
      * Returns the view identifier.
      *
      * @return view id
@@ -76,6 +123,7 @@ public class UiView {
     @Override
     public String toString() {
         return MoreObjects.toStringHelper(this)
+                .add("category", category)
                 .add("id", id)
                 .add("label", label)
                 .toString();

@@ -26,10 +26,10 @@ public class UiViewHidden extends UiView {
     /**
      * Creates a new user interface hidden view descriptor.
      *
-     * @param id    view identifier
+     * @param id view identifier
      */
     public UiViewHidden(String id) {
-        super(id, null);
+        super(Category.OTHER, id, null);
     }
 
     @Override

@@ -22,6 +22,7 @@ import java.io.IOException;
 
 import static com.google.common.io.ByteStreams.toByteArray;
 import static org.junit.Assert.*;
+import static org.onosproject.ui.UiView.Category.OTHER;
 
 /**
  * Tests the default user interface extension descriptor.
@@ -30,26 +31,27 @@ public class UiExtensionTest {
 
     @Test
     public void basics() throws IOException {
-        UiExtension ext = new UiExtension(ImmutableList.of(new UiView("foo", "Foo View")),
+        UiExtension ext = new UiExtension(ImmutableList.of(new UiView(OTHER, "foo", "Foo View")),
                                           null,
                                           getClass().getClassLoader());
         String css = new String(toByteArray(ext.css()));
         assertTrue("incorrect css stream", css.contains("foo-css"));
         String js = new String(toByteArray(ext.js()));
         assertTrue("incorrect js stream", js.contains("foo-js"));
-        assertEquals("incorrect views stream", "foo", ext.views().get(0).id());
+        assertEquals("incorrect view id", "foo", ext.views().get(0).id());
+        assertEquals("incorrect view category", OTHER, ext.views().get(0).category());
         assertNull("incorrect handler factory", ext.messageHandlerFactory());
     }
 
     @Test
     public void withPath() throws IOException {
-        UiExtension ext = new UiExtension(ImmutableList.of(new UiView("foo", "Foo View")),
+        UiExtension ext = new UiExtension(ImmutableList.of(new UiView(OTHER, "foo", "Foo View")),
                                           null, "custom", getClass().getClassLoader());
         String css = new String(toByteArray(ext.css()));
         assertTrue("incorrect css stream", css.contains("custom-css"));
         String js = new String(toByteArray(ext.js()));
         assertTrue("incorrect js stream", js.contains("custom-js"));
-        assertEquals("incorrect views stream", "foo", ext.views().get(0).id());
+        assertEquals("incorrect view id", "foo", ext.views().get(0).id());
         assertNull("incorrect handler factory", ext.messageHandlerFactory());
     }
 }
\ No newline at end of file

@@ -4,4 +4,4 @@ export ONOS_NIC=192.168.56.*
 export OC1="192.168.56.11"
 export OC2="192.168.56.12"
 export OC3="192.168.56.13"
-export OCN="192.168.56.14"
+export OCN="192.168.56.7"

@@ -44,7 +44,6 @@ public class MainNavResource extends AbstractInjectionResource {
     private static final String INJECT_VIEW_ITEMS_START = "<!-- {INJECTED-VIEW-NAV-START} -->";
     private static final String INJECT_VIEW_ITEMS_END = "<!-- {INJECTED-VIEW-NAV-END} -->";
 
-
     private static final String NAV_FORMAT =
             "<a ng-click=\"navCtrl.hideNav()\" href=\"#/%s\">%s</a>\n";
 

@@ -38,6 +38,8 @@ import java.util.Set;
 
 import static com.google.common.collect.ImmutableList.of;
 import static java.util.stream.Collectors.toSet;
+import static org.onosproject.ui.UiView.Category.NETWORK;
+import static org.onosproject.ui.UiView.Category.PLATFORM;
 
 /**
  * Manages the user interface extensions.
@@ -60,14 +62,14 @@ public class UiExtensionManager implements UiExtensionService, SpriteService {
 
     // Creates core UI extension
     private static UiExtension createCoreExtension() {
-        List<UiView> coreViews = of(new UiView("topo", "Topology"),
-                                    new UiView("device", "Devices"),
+        List<UiView> coreViews = of(new UiView(PLATFORM, "app", "Applications"),
+                                    new UiView(PLATFORM, "cluster", "Cluster Nodes"),
+                                    new UiView(NETWORK, "topo", "Topology"),
+                                    new UiView(NETWORK, "device", "Devices"),
                                     new UiViewHidden("flow"),
-                                    new UiView("link", "Links"),
-                                    new UiView("host", "Hosts"),
-                                    new UiView("intent", "Intents"),
-                                    new UiView("app", "Applications"),
-                                    new UiView("cluster", "Cluster Nodes"));
+                                    new UiView(NETWORK, "link", "Links"),
+                                    new UiView(NETWORK, "host", "Hosts"),
+                                    new UiView(NETWORK, "intent", "Intents"));
 
         UiMessageHandlerFactory messageHandlerFactory =
                 () -> ImmutableList.of(

@@ -106,7 +106,7 @@
             // If view ID not provided, route to the first view in the list.
             $routeProvider
                 .otherwise({
-                    redirectTo: '/' + viewIds[0]
+                    redirectTo: '/topo'
                 });
 
             function viewCtrlName(vid) {