@Override
 public void changePercentage(int percent) {
   for (SubsEditView.SubsEditViewListener listener : listeners) listener.changePercentage(percent);
 }
 /*
  * Refresh the view to get a new version of the zipFile.
  */
 private void refreshViewForDownload() throws IOException, TransformationException {
   for (SubsEditView.SubsEditViewListener listener : listeners) listener.downloadButtonClick();
 }