private void mapInsertButtonActionPerformed(
     java.awt.event.ActionEvent evt) // GEN-FIRST:event_mapInsertButtonActionPerformed
     { // GEN-HEADEREND:event_mapInsertButtonActionPerformed
   commitTableEdits();
   MappingRulesModel model = (MappingRulesModel) mapTable.getModel();
   model.addRow();
   mapTable.changeSelection(mapTable.getRowCount() - 1, 0, false, false);
   mapTable.changeSelection(
       mapTable.getRowCount() - 1, mapTable.getColumnCount() - 1, false, true);
 } // GEN-LAST:event_mapInsertButtonActionPerformed