/**
  * @see
  *     com.google.gwt.user.client.ui.FormPanel.SubmitHandler#onSubmit(com.google.gwt.user.client.ui.FormPanel.SubmitEvent)
  */
 @Override
 public void onSubmit(SubmitEvent event) {
   dialog.hide(false);
   uploadResult = null;
   notification =
       notificationService.startProgressNotification(
           i18n.format("upload-ontology-submit.uploading.title"),
           i18n.format("upload-ontology-submit.uploading.msg"));
 }