[ONOS-3642] Add missing meter icon in topology view

Change-Id: Iba1f10adf981b90fbc47ec649493436c7c50589c

 /*
- * Copyright 2015 Open Networking Laboratory
+ * Copyright 2015,2016 Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -62,7 +62,8 @@ public class AlarmTopovOverlay extends UiTopoOverlay {
                 .addButton(ALARM2_BUTTON);
 
         pp.removeButtons(CoreButtons.SHOW_PORT_VIEW)
-                .removeButtons(CoreButtons.SHOW_GROUP_VIEW);
+                .removeButtons(CoreButtons.SHOW_GROUP_VIEW)
+                .removeButtons(CoreButtons.SHOW_METER_VIEW);
     }
 
     private void addAlarmCountsProperties(PropertyPanel pp, Map<Alarm.SeverityLevel, Long> countsForDevice) {

 /*
- * Copyright 2015 Open Networking Laboratory
+ * Copyright 2015,2016 Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -126,6 +126,9 @@ public final class TopoConstants {
 
         public static final ButtonId SHOW_GROUP_VIEW =
                 new ButtonId("showGroupView");
+
+        public static final ButtonId SHOW_METER_VIEW =
+                new ButtonId("showMeterView");
     }
 
 }

@@ -2,7 +2,7 @@
 #set( $symbol_dollar = '$' )
 #set( $symbol_escape = '\' )
 /*
- * Copyright 2014,2015 Open Networking Laboratory
+ * Copyright 2014-2016 Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -76,7 +76,8 @@ public class AppUiTopovOverlay extends UiTopoOverlay {
                 .addButton(BAR_BUTTON);
 
         pp.removeButtons(CoreButtons.SHOW_PORT_VIEW)
-                .removeButtons(CoreButtons.SHOW_GROUP_VIEW);
+                .removeButtons(CoreButtons.SHOW_GROUP_VIEW)
+                .removeButtons(CoreButtons.SHOW_METER_VIEW);
     }
 
 }

 /*
- * Copyright 2015 Open Networking Laboratory
+ * Copyright 2015,2016 Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -432,7 +432,8 @@ public abstract class TopologyViewMessageHandlerBase extends UiMessageHandler {
             .addButton(CoreButtons.SHOW_DEVICE_VIEW)
             .addButton(CoreButtons.SHOW_FLOW_VIEW)
             .addButton(CoreButtons.SHOW_PORT_VIEW)
-            .addButton(CoreButtons.SHOW_GROUP_VIEW);
+            .addButton(CoreButtons.SHOW_GROUP_VIEW)
+            .addButton(CoreButtons.SHOW_METER_VIEW);
 
         return pp;
     }

 /*
- * Copyright 2015 Open Networking Laboratory
+ * Copyright 2015,2016 Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -68,7 +68,8 @@ public class AppUiTopoOverlay extends UiTopoOverlay {
                 .addButton(BAR_BUTTON);
 
         pp.removeButtons(CoreButtons.SHOW_PORT_VIEW)
-                .removeButtons(CoreButtons.SHOW_GROUP_VIEW);
+                .removeButtons(CoreButtons.SHOW_GROUP_VIEW)
+                .removeButtons(CoreButtons.SHOW_METER_VIEW);
     }
 
 }

@@ -181,6 +181,11 @@
             gid: 'groupTable',
             tt: 'Show Group View for this Device',
             path: 'group'
+        },
+        showMeterView: {
+            gid: 'meterTable',
+            tt: 'Show Meter View for this Device',
+            path: 'meter'
         }
     };