ONOS-2186 - GUI Topo Overlay - (WIP)
- Showing traffic on selected intent now subdues other elements.
- Augmented Highlights to allow for retrieval by ID.
- Reparented HostHighlight and DeviceHighlight to NodeHighlight.
- Added a few extra highlight unit tests.

Change-Id: I0de1cefdcfda58a6fec6e90be5fe898d35aa1b37
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/TrafficMonitor.java b/web/gui/src/main/java/org/onosproject/ui/impl/TrafficMonitor.java
index 2dc8e44..4dcaeb1 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/TrafficMonitor.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/TrafficMonitor.java
@@ -20,7 +20,9 @@
 import com.google.common.collect.ImmutableList;
 import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
+import org.onosproject.net.ElementId;
 import org.onosproject.net.Host;
+import org.onosproject.net.HostId;
 import org.onosproject.net.Link;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.flow.FlowEntry;
@@ -40,8 +42,12 @@
 import org.onosproject.ui.impl.topo.TrafficLink;
 import org.onosproject.ui.impl.topo.TrafficLink.StatsType;
 import org.onosproject.ui.impl.topo.TrafficLinkMap;
+import org.onosproject.ui.topo.DeviceHighlight;
 import org.onosproject.ui.topo.Highlights;
+import org.onosproject.ui.topo.Highlights.Amount;
+import org.onosproject.ui.topo.HostHighlight;
 import org.onosproject.ui.topo.LinkHighlight.Flavor;
+import org.onosproject.ui.topo.NodeHighlight;
 import org.onosproject.ui.topo.NodeSelection;
 import org.onosproject.ui.topo.TopoUtils;
 import org.slf4j.Logger;
@@ -59,9 +65,7 @@
 import java.util.TimerTask;
 
 import static org.onosproject.net.DefaultEdgeLink.createEdgeLink;
-import static org.onosproject.ui.impl.TrafficMonitor.Mode.IDLE;
-import static org.onosproject.ui.impl.TrafficMonitor.Mode.RELATED_INTENTS;
-import static org.onosproject.ui.impl.TrafficMonitor.Mode.SELECTED_INTENT;
+import static org.onosproject.ui.impl.TrafficMonitor.Mode.*;
 
 /**
  * Encapsulates the behavior of monitoring specific traffic patterns.
@@ -442,6 +446,7 @@
                       current.id(), selectedIntents.index(), selectedIntents.size());
 
             highlightIntentLinksWithTraffic(highlights, primary);
+            highlights.subdueAllElse(Amount.MINIMALLY);
         }
         return highlights;
     }
@@ -540,19 +545,20 @@
         TrafficLinkMap linkMap = new TrafficLinkMap();
         // NOTE: highlight secondary first, then primary, so that links shared
         //       by intents are colored correctly ("last man wins")
-        createTrafficLinks(linkMap, secondary, Flavor.SECONDARY_HIGHLIGHT, false);
-        createTrafficLinks(linkMap, primary, Flavor.PRIMARY_HIGHLIGHT, false);
+        createTrafficLinks(highlights, linkMap, secondary, Flavor.SECONDARY_HIGHLIGHT, false);
+        createTrafficLinks(highlights, linkMap, primary, Flavor.PRIMARY_HIGHLIGHT, false);
         colorLinks(highlights, linkMap);
     }
 
     private void highlightIntentLinksWithTraffic(Highlights highlights,
                                                  Set<Intent> primary) {
         TrafficLinkMap linkMap = new TrafficLinkMap();
-        createTrafficLinks(linkMap, primary, Flavor.PRIMARY_HIGHLIGHT, true);
+        createTrafficLinks(highlights, linkMap, primary, Flavor.PRIMARY_HIGHLIGHT, true);
         colorLinks(highlights, linkMap);
     }
 
-    private void createTrafficLinks(TrafficLinkMap linkMap, Set<Intent> intents,
+    private void createTrafficLinks(Highlights highlights,
+                                    TrafficLinkMap linkMap, Set<Intent> intents,
                                     Flavor flavor, boolean showTraffic) {
         for (Intent intent : intents) {
             List<Intent> installables = servicesBundle.intentService()
@@ -573,11 +579,33 @@
 
                     boolean isOptical = intent instanceof OpticalConnectivityIntent;
                     processLinks(linkMap, links, flavor, isOptical, showTraffic);
+                    updateHighlights(highlights, links);
                 }
             }
         }
     }
 
+    private void updateHighlights(Highlights highlights, Iterable<Link> links) {
+        for (Link link : links) {
+            ensureNodePresent(highlights, link.src().elementId());
+            ensureNodePresent(highlights, link.dst().elementId());
+        }
+    }
+
+    private void ensureNodePresent(Highlights highlights, ElementId eid) {
+        String id = eid.toString();
+        NodeHighlight nh = highlights.getNode(id);
+        if (nh == null) {
+            if (eid instanceof DeviceId) {
+                nh = new DeviceHighlight(id);
+                highlights.add((DeviceHighlight) nh);
+            } else if (eid instanceof HostId) {
+                nh = new HostHighlight(id);
+                highlights.add((HostHighlight) nh);
+            }
+        }
+    }
+
     // Extracts links from the specified flow rule intent resources
     private Collection<Link> linkResources(Intent installable) {
         ImmutableList.Builder<Link> builder = ImmutableList.builder();
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/topo/TopoJson.java b/web/gui/src/main/java/org/onosproject/ui/impl/topo/TopoJson.java
index 0a12e1c..8b4b354 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/topo/TopoJson.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/topo/TopoJson.java
@@ -90,13 +90,13 @@
     }
 
     private static ObjectNode json(DeviceHighlight dh) {
-        // TODO: implement this once we know what a device highlight looks like
-        return objectNode();
+        return objectNode()
+                .put(ID, dh.elementId());
     }
 
     private static ObjectNode json(HostHighlight hh) {
-        // TODO: implement this once we know what a host highlight looks like
-        return objectNode();
+        return objectNode()
+                .put(ID, hh.elementId());
     }
 
     private static ObjectNode json(LinkHighlight lh) {
diff --git a/web/gui/src/main/webapp/app/view/topo/topoForce.js b/web/gui/src/main/webapp/app/view/topo/topoForce.js
index 555fa50..dbe8f9f 100644
--- a/web/gui/src/main/webapp/app/view/topo/topoForce.js
+++ b/web/gui/src/main/webapp/app/view/topo/topoForce.js
@@ -242,6 +242,10 @@
 
     // ========================
 
+    function nodeById(id) {
+        return lu[id];
+    }
+
     function makeNodeKey(node1, node2) {
         return node1 + '-' + node2;
     }
@@ -515,10 +519,10 @@
         });
     }
 
-    function unsuppressLink(id, less) {
+    function unsuppressLink(key, less) {
         var cls = supAmt(less);
         link.each(function (n) {
-            if (n.id === id) {
+            if (n.key === key) {
                 n.el.classed(cls, false);
             }
         });
@@ -922,6 +926,7 @@
             clearLinkTrafficStyle: clearLinkTrafficStyle,
             removeLinkLabels: removeLinkLabels,
             findLinkById: tms.findLinkById,
+            findNodeById: nodeById,
             updateLinks: updateLinks,
             updateNodes: updateNodes,
             supLayers: suppressLayers,
diff --git a/web/gui/src/main/webapp/app/view/topo/topoOverlay.js b/web/gui/src/main/webapp/app/view/topo/topoOverlay.js
index 4a432e0..6bd7762 100644
--- a/web/gui/src/main/webapp/app/view/topo/topoOverlay.js
+++ b/web/gui/src/main/webapp/app/view/topo/topoOverlay.js
@@ -301,11 +301,12 @@
              clearLinkTrafficStyle()
              removeLinkLabels()
              findLinkById( id )
+             findNodeById( id )
              updateLinks()
              updateNodes()
              supLayers( bool, [less] )
              unsupNode( id, [less] )
-             unsupLink( id, [less] )
+             unsupLink( key, [less] )
          */
 
         // TODO: clear node highlighting
@@ -322,16 +323,30 @@
             api.supLayers(false, true);
         }
 
-        // TODO: device and host highlights
+        data.hosts.forEach(function (host) {
+            var hdata = api.findNodeById(host.id);
+            if (hdata && !hdata.el.empty()) {
+                api.unsupNode(hdata.id, less);
+                // TODO: further highlighting?
+            }
+        });
 
-        data.links.forEach(function (lnk) {
-            var ldata = api.findLinkById(lnk.id),
-                lab = lnk.label,
+        data.devices.forEach(function (device) {
+            var ddata = api.findNodeById(device.id);
+            if (ddata && !ddata.el.empty()) {
+                api.unsupNode(ddata.id, less);
+                // TODO: further highlighting?
+            }
+        });
+
+        data.links.forEach(function (link) {
+            var ldata = api.findLinkById(link.id),
+                lab = link.label,
                 units, portcls, magnitude;
 
             if (ldata && !ldata.el.empty()) {
-                api.unsupLink(ldata.id, less);
-                ldata.el.classed(lnk.css, true);
+                api.unsupLink(ldata.key, less);
+                ldata.el.classed(link.css, true);
                 ldata.label = lab;
 
                 // inject additional styling for port-based traffic