diff --git a/platform/commonUI/general/bundle.json b/platform/commonUI/general/bundle.json
index 2093a988cd..e5da0b81ef 100644
--- a/platform/commonUI/general/bundle.json
+++ b/platform/commonUI/general/bundle.json
@@ -60,7 +60,7 @@
             {
                 "key": "TreeNodeController",
                 "implementation": "controllers/TreeNodeController.js",
-                "depends": [ "$scope", "$timeout" ]
+                "depends": [ "$scope", "$timeout", "$rootScope" ]
             },
             {
                 "key": "ActionGroupController",
diff --git a/platform/commonUI/general/res/templates/tree-node.html b/platform/commonUI/general/res/templates/tree-node.html
index f584befb1a..e61cd405cd 100644
--- a/platform/commonUI/general/res/templates/tree-node.html
+++ b/platform/commonUI/general/res/templates/tree-node.html
@@ -27,7 +27,7 @@
 	        >
             <span
 	            class='ui-symbol view-control'
-				ng-click="toggle.toggle(); treeNode.trackExpansion()"
+				ng-click="toggle.toggle(); treeNode.trackExpansion() ; treeNode.contextMenu()"
 				ng-if="model.composition !== undefined"
 				>
                 {{toggle.isActive() ? "v" : ">"}}
diff --git a/platform/commonUI/general/src/controllers/TreeNodeController.js b/platform/commonUI/general/src/controllers/TreeNodeController.js
index cfb70357bb..a51d85448e 100644
--- a/platform/commonUI/general/src/controllers/TreeNodeController.js
+++ b/platform/commonUI/general/src/controllers/TreeNodeController.js
@@ -50,7 +50,7 @@ define(
          * expand-to-show-navigated-object behavior.)
          * @constructor
          */
-        function TreeNodeController($scope, $timeout) {
+        function TreeNodeController($scope, $timeout, $rootScope) {
             var selectedObject = ($scope.ngModel || {}).selectedObject,
                 isSelected = false,
                 hasBeenExpanded = false;
@@ -138,6 +138,20 @@ define(
                 selectedObject = object;
                 checkSelection();
             }
+            
+            // If we are in edit mode, then a left-click on the 
+            // down arrow next to a domain object's title should display
+            // a context menu
+            function contextMenu() {
+                //console.log('contextMenu() called');
+                
+                if ($scope.domainObject.hasCapability('editor') || true) {
+                    //console.log('contextMenu() believes in edit mode');
+                    
+                    $rootScope.$broadcast('leftContextual');
+                    console.log('contextMenu() broadcasted from root');
+                }
+            }
 
             // Listen for changes which will effect display parameters
             $scope.$watch("ngModel.selectedObject", setSelection);
@@ -166,7 +180,13 @@ define(
                  */
                 isSelected: function () {
                     return isSelected;
-                }
+                }, 
+                /**
+                 * This method should be called when the down arrow next 
+                 * to a domain object's title is (left) clicked. If in edit
+                 * mode, this activates a context menu. 
+                 */
+                contextMenu: contextMenu
             };
         }
 
diff --git a/platform/representation/src/gestures/ContextMenuGesture.js b/platform/representation/src/gestures/ContextMenuGesture.js
index 83ea1ddc23..28e0f1ad30 100644
--- a/platform/representation/src/gestures/ContextMenuGesture.js
+++ b/platform/representation/src/gestures/ContextMenuGesture.js
@@ -60,7 +60,10 @@ define(
                     goLeft = eventCoors[0] + menuDim[0] > winDim[0],
                     goUp = eventCoors[1] + menuDim[1] > winDim[1],
                     menu;
-
+                
+                //console.log('in showMenu() in ContextMenuGesture');
+                //console.log('domainObject is ', domainObject);
+                
                 // Remove the context menu
                 function dismiss() {
                     menu.remove();
@@ -104,6 +107,7 @@ define(
 
             // When context menu event occurs, show object actions instead
             element.on('contextmenu', showMenu);
+            $rootScope.$on('leftContextual', showMenu);
 
             return {
                 /**