private void onRemoveGraph() {
   // i18n[graph.delGraph=Do you really wish to delete this graph?]
   Window parent = SwingUtilities.windowForComponent(_desktopPane);
   int res = JOptionPane.showConfirmDialog(parent, s_stringMgr.getString("graph.delGraph"));
   if (res == JOptionPane.YES_OPTION) {
     _listener.removeRequest();
   }
 }