/** {@inheritDoc} */
 public void setData(Object[][] data) {
   isSetData = true;
   dataModel.setData(data);
   rowSorter = new TableRowSorter<TableModel>(dataModel);
   this.updateRowFiltering();
 }
 /** {@inheritDoc} */
 public void setColumnNames(String[] columnNames) {
   dataModel.setColumnNames(columnNames);
 }