增加图形化灰度发布功能

discovery-console-desktop/src/main/java/com/nepxion/discovery/console/desktop/workspace/RouterTopology.java

@@ -78,6 +78,7 @@ public class RouterTopology extends AbstractTopology {
     public RouterTopology() {
         initializeToolBar();
         initializeTopology();
+        initializeListener();
     }
 
     private void initializeToolBar() {
@@ -112,7 +113,9 @@ public class RouterTopology extends AbstractTopology {
                 return null;
             }
         });
+    }
 
+    private void initializeListener() {
         addHierarchyListener(new DisplayAbilityListener() {
             public void displayAbilityChanged(HierarchyEvent e) {
                 // Ugly code