--- old/src/macosx/classes/sun/lwawt/macosx/CDragSourceContextPeer.java	2013-01-24 19:25:37.000000000 +0400
+++ new/src/macosx/classes/sun/lwawt/macosx/CDragSourceContextPeer.java	2013-01-24 19:25:37.000000000 +0400
@@ -98,28 +98,16 @@
         Point componentOffset = new Point();
         ComponentPeer peer = component.getPeer();
 
-        // For a lightweight component traverse up the hierarchy to the first heavyweight
-        // which will be used as the ComponentModel for the native drag source.
-        if (component.isLightweight()) {
-            Point loc = component.getLocation();
-            componentOffset.translate(loc.x, loc.y);
-
-            for (Component parent = component.getParent(); parent != null; parent = parent.getParent()) {
-                if (parent.isLightweight() == false) {
-                    peer = parent.getPeer();
-                    break;
-                }
 
-                loc = parent.getLocation();
-                componentOffset.translate(loc.x, loc.y);
-            }
+        // For a  component traverse up the hierarchy to the root
+        Point loc = new Point();
+        for (Component loopComponent = component; loopComponent != null; loopComponent = loopComponent.getParent()) {
+            peer = loopComponent.getPeer();
+            componentOffset.translate(loc.x, loc.y);
+            loc = loopComponent.getLocation();
         }
 
-        // Make sure the drop target is a ComponentModel:
-        if (!(peer instanceof LWComponentPeer))
-            throw new IllegalArgumentException("DragSource's peer must be a ComponentModel.");
-
-        // Get model pointer (CButton.m and such) and its native peer:
+        //Get a pointer to a native window
         LWComponentPeer model = (LWComponentPeer) peer;
         CPlatformWindow platformWindow = (CPlatformWindow) model.getPlatformWindow();
         long nativeWindowPtr = platformWindow.getNSWindowPtr();