Merge pull request #1744 from nasa/inspector-issue-1276

Inspector issue 1276

platform/commonUI/general/src/controllers/ObjectInspectorController.js

@@ -108,8 +108,11 @@ define(
 
                 getMetadata();
             });
-        }
 
+            var mutation = $scope.ngModel.selectedObject.getCapability('mutation');
+            var unlisten = mutation.listen(getMetadata);
+            $scope.$on('$destroy', unlisten);
+        }
         return ObjectInspectorController;
     }
 );

platform/commonUI/general/test/controllers/ObjectInspectorControllerSpec.js

@@ -39,10 +39,18 @@ define(
             beforeEach(function () {
                 mockScope = jasmine.createSpyObj(
                     "$scope",
-                    ["$watch"]
+                    ["$watch", "$on"]
                 );
                 mockScope.ngModel = {};
-                mockScope.ngModel.selectedObject = 'mock selected object';
+                mockScope.ngModel.selectedObject = {
+                    getCapability: function () {
+                        return {
+                            listen: function () {
+                                return true;
+                            }
+                        };
+                    }
+                };
 
                 mockObjectService = jasmine.createSpyObj(
                     "objectService",