Index: openide/src/org/openide/nodes/AbstractNode.java
===================================================================
RCS file: /cvs/openide/src/org/openide/nodes/AbstractNode.java,v
retrieving revision 1.61
diff -u -r1.61 AbstractNode.java
--- openide/src/org/openide/nodes/AbstractNode.java	26 Mar 2003 23:54:36 -0000	1.61
+++ openide/src/org/openide/nodes/AbstractNode.java	10 Apr 2003 08:24:02 -0000
@@ -446,7 +446,26 @@
         return NO_NEW_TYPES;
     }
 
-    /** Gets preferred action.
+     private static final WeakHashMap overridesGetDefaultAction = new WeakHashMap (27);
+    /** Checks whether subclass overrides a method
+     */
+    private boolean overridesAMethod (String name, Class[] arguments) {
+        // we are subclass of FilterNode
+        try {
+            java.lang.reflect.Method m = getClass ().getMethod (name, arguments);
+
+            if (m.getDeclaringClass () != AbstractNode.class) {
+                // ok somebody overriden getCookie method
+                return true;
+            }
+        } catch (NoSuchMethodException ex) {
+            org.openide.ErrorManager.getDefault().notify(ex);
+        }
+        
+        return false;
+    }
+    
+   /** Gets preferred action.
      * By default, null.
      * @return preferred action
      * @see Node#getPreferredAction
@@ -454,7 +473,20 @@
      * @since 3.29
      */
     public Action getPreferredAction() {
-        return preferredAction;
+        boolean delegate = false;
+        
+        if (getClass () != AbstractNode.class) {
+            synchronized (overridesGetDefaultAction) {
+                Boolean b = (Boolean)overridesGetDefaultAction.get (getClass ());
+                if (b == null) {
+                    b = overridesAMethod ("getDefaultAction", new Class[0] ) ? Boolean.TRUE : Boolean.FALSE; // NOI18N
+                    overridesGetDefaultAction.put (getClass (), b);
+                }
+                delegate = b.booleanValue();
+            }
+        }
+        
+        return delegate ? getDefaultAction () : preferredAction;
     }
     
     /** Sets preferred action.