Right click tree to show node context menu

src/app/app.component.ts

@@ -80,7 +80,31 @@ export class AppComponent implements OnInit {
 
           this.menuTarget = node;
           this.lastClickEvent = [tree, node, $event];
-        }
+        },
+        contextMenu: (tree, node, event) => {
+          event.preventDefault();
+          event.stopPropagation();
+
+          TREE_ACTIONS.FOCUS(tree, node, event);
+          TREE_ACTIONS.EXPAND(tree, node, event);
+
+          this.addChildTarget = false;
+          this.deleteTarget = false;
+          this.menuTarget = false;
+
+          if ( !node.data.noChildren && (!node.data.level || node.data.level === 'manage') ) {
+            this.addChildTarget = node;
+          }
+
+          if ( !node.data.noDelete && (!node.data.level || node.data.level === 'manage') ) {
+            this.deleteTarget = node;
+          }
+
+          this.menuTarget = node;
+          this.lastClickEvent = [tree, node, event];
+
+          this.onNodeMenuClick(event);
+        },
       }
     }
   };