/**
  * refresh the tablemodel. for example if we load a new language
  *
  * @param extension
  */
 public void refresh(final TranslatorExtension extension) {
   if (extension.getTranslationEntries() != null) {
     _fireTableStructureChanged(extension.getTranslationEntries(), true);
   } else {
     clear();
   }
 }
  public void updateFilter(SearchField searchField) {
    this.filter = searchField.filterPatterns;

    _fireTableStructureChanged(extension.getTranslationEntries(), true);
  }