Object has no children fix (#2038)

* Added files for PR 1904

* Added new lines

* space fix

* Implemented changes

* Space fix

* checkstyle fix

Fixes #1826

platform/commonUI/general/bundle.js

@@ -401,7 +401,7 @@ define([
                 {
                     "key": "mctTree",
                     "implementation": MCTTree,
-                    "depends": ['gestureService']
+                    "depends": ['gestureService', 'openmct']
                 },
                 {
                     "key": "mctPreview",

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

@@ -79,8 +79,8 @@ define(
                 // a recursive step for subsequent ids in the paths,
                 // until we exceed path length or hit a mismatch.
                 return (index >= nodePath.length) ||
-                        ((navPath[index] === nodePath[index]) &&
+                    ((navPath[index] === nodePath[index]) &&
-                                checkPath(nodePath, navPath, index + 1));
+                    checkPath(nodePath, navPath, index + 1));
             }
 
             // Consider the currently-navigated object and update
@@ -89,9 +89,9 @@ define(
                 var nodeObject = $scope.domainObject,
                     navObject = selectedObject,
                     nodeContext = nodeObject &&
-                            nodeObject.getCapability('context'),
+                        nodeObject.getCapability('context'),
                     navContext = navObject &&
-                            navObject.getCapability('context'),
+                        navObject.getCapability('context'),
                     nodePath,
                     navPath;
 
@@ -110,7 +110,7 @@ define(
                     // within the navigation path; otherwise, navigation
                     // has happened in some other subtree.
                     if (navPath.length >= nodePath.length &&
-                            checkPath(nodePath, navPath)) {
+                        checkPath(nodePath, navPath)) {
 
                         // nodePath is along the navPath; if it's
                         // at the end of the path, highlight;

platform/commonUI/general/src/directives/MCTTree.js

@@ -24,7 +24,7 @@ define([
     'angular',
     '../ui/TreeView'
 ], function (angular, TreeView) {
-    function MCTTree(gestureService) {
+    function MCTTree(gestureService, openmct) {
         function link(scope, element) {
             if (!scope.allowSelection) {
                 scope.allowSelection = function () {
@@ -34,8 +34,9 @@ define([
             if (!scope.onSelection) {
                 scope.onSelection = function () {};
             }
+
             var currentSelection = scope.selectedObject;
-            var treeView = new TreeView(gestureService);
+            var treeView = new TreeView(gestureService, openmct);
 
             function setSelection(domainObject, event) {
                 if (currentSelection === domainObject) {

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

@@ -27,9 +27,9 @@ define([
     './TreeLabelView'
 ], function ($, nodeTemplate, ToggleView, TreeLabelView) {
 
-    function TreeNodeView(gestureService, subtreeFactory, selectFn) {
+    function TreeNodeView(gestureService, subtreeFactory, selectFn, openmct) {
         this.li = $('<li>');
-
+        this.openmct = openmct;
         this.statusClasses = [];
 
         this.toggleView = new ToggleView(false);
@@ -81,11 +81,14 @@ define([
         }
 
         this.activeObject = domainObject;
-
+        if (domainObject && domainObject.hasCapability('adapter')) {
-        if (domainObject && domainObject.hasCapability('composition')) {
+            var obj = domainObject.useCapability('adapter');
-            $(this.toggleView.elements()).removeClass('no-children');
+            var hasComposition =  this.openmct.composition.get(obj) !== undefined;
-        } else {
+            if (hasComposition) {
-            $(this.toggleView.elements()).addClass('no-children');
+                $(this.toggleView.elements()).removeClass('no-children');
+            } else {
+                $(this.toggleView.elements()).addClass('no-children');
+            }
         }
 
         if (domainObject && domainObject.hasCapability('status')) {
@@ -150,6 +153,5 @@ define([
         return this.li;
     };
 
-
     return TreeNodeView;
 });

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

@@ -26,17 +26,18 @@ define([
     'text!../../res/templates/tree/wait-node.html'
 ], function ($, TreeNodeView, spinnerTemplate) {
 
-    function TreeView(gestureService, selectFn) {
+    function TreeView(gestureService, openmct, selectFn) {
         this.ul = $('<ul class="tree"></ul>');
         this.nodeViews = [];
         this.callbacks = [];
         this.selectFn = selectFn || this.value.bind(this);
         this.gestureService = gestureService;
         this.pending = false;
+        this.openmct = openmct;
     }
 
     TreeView.prototype.newTreeView = function () {
-        return new TreeView(this.gestureService, this.selectFn);
+        return new TreeView(this.gestureService, this.openmct, this.selectFn);
     };
 
     TreeView.prototype.setSize = function (sz) {
@@ -46,7 +47,8 @@ define([
             nodeView = new TreeNodeView(
                 this.gestureService,
                 this.newTreeView.bind(this),
-                this.selectFn
+                this.selectFn,
+                this.openmct
             );
             this.nodeViews.push(nodeView);
             this.ul.append($(nodeView.elements()));