protected KeyStrokeListener createKeyStrokeListener() {
KeyStrokeListener ks = new KeyStrokeListener();
ks.addKeyCombination(KeyStrokeListener.VK_ALT + KeyStrokeListener.VK_O, "OK");
ks.addKeyCombination(KeyStrokeListener.VK_CONTROL + KeyStrokeListener.VK_ENTER, "OK");
ks.addActionListener(new ActionListener() {
private static final long serialVersionUID = 1L;
public void actionPerformed(ActionEvent arg0) {
if (arg0.getActionCommand().equals("OK")) {