table.getColumnModel().getColumn(2).setCellEditor(new DefaultCellEditor(headsComboBox));
final JSplitPane splitPane = new JSplitPane();
splitPane.setContinuousLayout(true);
splitPane.setDividerLocation(prefs.getInt(PREF_DIVIDER_POSITION, PREF_DIVIDER_POSITION_DEF));
splitPane.addPropertyChangeListener("dividerLocation",
new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent evt) {
prefs.putInt(PREF_DIVIDER_POSITION,
splitPane.getDividerLocation());