private void fireDeafultDatasourceNameChanged(
     String aOldDatasourceName, String aNewDatasourceName) {
   for (PlatypusProject.ClientChangeListener onChange :
       clientListeners.toArray(new PlatypusProject.ClientChangeListener[] {})) {
     onChange.defaultDatasourceNameChanged(aOldDatasourceName, aNewDatasourceName);
   }
 }