diff --git a/openide.explorer/src/org/openide/explorer/view/OutlineView.java b/openide.explorer/src/org/openide/explorer/view/OutlineView.java
--- a/openide.explorer/src/org/openide/explorer/view/OutlineView.java
+++ b/openide.explorer/src/org/openide/explorer/view/OutlineView.java
@@ -856,6 +856,15 @@
         return p;
     }
 
+
+    /** Enable/disable double click to invoke default action on branch nodes.
+     * If defaultAction is not enabled double click expand/collapse node.
+     * @param defaultActionAllowed <code>true</code> to enable
+     */
+    public void setDefaultActionAllowed(boolean defaultActionAllowed) {
+        outline.setDefaultActionAllowed(defaultActionAllowed);
+    }
+
     /**
      * Action registered in the component's action map.
      */
@@ -1187,6 +1196,7 @@
         private int treePositionX = 0;
         private int[] rowWidths;
         private RequestProcessor.Task changeTask;
+        private boolean defaultActionAllowed = false;
         //private int maxRowWidth;
 
         public OutlineViewOutline(final OutlineModel mdl, PropertiesRowModel rowModel) {
@@ -1331,7 +1341,7 @@
                     // Default action.
                     Node node = Visualizer.findNode (o);
                     if (node != null) {
-                        if (node.isLeaf () && !node.canRename()) {
+                        if ((node.isLeaf() && !node.canRename()) || defaultActionAllowed) {
                             Action a = TreeView.takeAction (node.getPreferredAction (), node);
 
                             if (a != null) {
@@ -1462,6 +1472,10 @@
             }
         }
 
+        public void setDefaultActionAllowed(boolean defaultActionAllowed) {
+            this.defaultActionAllowed = defaultActionAllowed;
+        }
+
 
 
         /**