Bug 261164 [CommonNavigator] Add dynamic tracing for DnD
The options were put in, but the tracing was never actually hooked up.
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonDragAdapter.java
}
		
		Transfer[] transfers = (Transfer[]) supportedTypes
				.toArray(new Transfer[supportedTypes.size()]);
		return transfers;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.dnd.DragSourceAdapter#dragStart(org.eclipse.swt.dnd.DragSourceEvent)
	 */
	public void dragStart(DragSourceEvent event) {
		if (DEBUG) {
			System.out.println("CommonDragAdapter.dragStart (begin): " + event); 
		}
		try {
			
			DragSource dragSource = (DragSource) event.widget;
			Control control = dragSource.getControl();
			if (control == control.getDisplay().getFocusControl()) {
				ISelection selection = provider.getSelection();
				if (!selection.isEmpty()) {
					LocalSelectionTransfer.getTransfer()
							.setSelection(selection);
					event.doit = true;
				} else {
					event.doit = false;
				}
			} else {
				event.doit = false;