!752

p {
  final JTextField input = consoleInputField();
  if (input != null && !isTrue(getOpt(getOpt(getJavaX(), "console"), "hasHistory"))) {
    final Var<Int> historyIdx = new Var(0);
    final new L<S> history;
    input.addKeyListener(new KeyAdapter {
      public void keyPressed(KeyEvent e) {
        if (e.getKeyCode() == KeyEvent.VK_UP) {
          print("up");
          listSet(history, historyIdx.get(), input.getText());
          historyIdx.set(max(0, historyIdx.get()-1));
          S text = get(history, historyIdx.get());
          if (text != null) {
            input.setText(text);
            input.selectAll();
          }
        }
        
        if (e.getKeyCode() == KeyEvent.VK_DOWN) {
          print("down");
          S text = input.getText();
          if (historyIdx.get() < l(history) ||
            neq(last(history), text))
            listSet(history, historyIdx.get(), text);
          historyIdx.set(min(l(history), historyIdx.get()+1));
          text = get(history, historyIdx.get());
          input.setText(unnull(text));
          input.selectAll();
        }
      }
    });
    //ActionListener[] l = input.getActionListeners();
    //for (ActionListener a : l) input.removeActionListener(a);
    input.addActionListener(actionListener {
      S text = input.getText();
      print("Text: " + text);
      if (nempty(text)) {
        history.remove(text);
        history.add(text);
      }
      historyIdx.set(l(history));
    });
    //for (ActionListener a : l) input.addActionListener(a);
  }
}