final String tablePath = columnPath.substring(0, columnDelim);
final SourceColumnComboBox comboBox = new SourceColumnComboBox();
comboBox.setEnabled(false);
comboBox.setName(columnPath);
comboBox.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Column col = comboBox.getSelectedItem();
if (col != null) {
// make sure all comboboxes in a group use the same