[Tree] Display selection state

platform/commonUI/general/src/ui/TreeNodeView.js

@@ -76,6 +76,16 @@ define([
         }
     };
 
+    function getIdPath(domainObject) {
+        function getId(domainObject) {
+            return domainObject.getId();
+        }
+        
+        return domainObject ?
+            domainObject.getCapability('context').getPath().map(getId) :
+            [];
+    }
+
     TreeNodeView.prototype.value = function (domainObject) {
         var activeIdPath = getIdPath(this.activeObject),
             selectedIdPath = getIdPath(domainObject);

platform/commonUI/general/src/ui/TreeView.js

@@ -92,7 +92,7 @@ define([
     TreeView.prototype.updateNodeViewSelection = function () {
         this.nodeViews.forEach(function (nodeView) {
             nodeView.value(this.selectedObject);
-        });
+        }.bind(this));
     };
 
     TreeView.prototype.value = function (domainObject) {