Swing/DateCellEditor のバックアップ(No.18)

class SpinnerCellEditor extends JSpinner implements TableCellEditor {
  private final JSpinner.DateEditor editor;
  public SpinnerCellEditor() {
    super(new SpinnerDateModel());
    setEditor(editor = new JSpinner.DateEditor(this, "yyyy/MM/dd"));
    setArrowButtonEnabled(false);
    editor.getTextField().setHorizontalAlignment(JFormattedTextField.LEFT);

    addFocusListener(new FocusAdapter() {
      @Override public void focusGained(FocusEvent e) {
        //System.out.println("spinner");
        editor.getTextField().requestFocusInWindow();
      }
    });
    editor.getTextField().addFocusListener(new FocusAdapter() {
      @Override public void focusLost(FocusEvent e) {
        setArrowButtonEnabled(false);
      }
      @Override public void focusGained(FocusEvent e) {
        //System.out.println("getTextField");
        setArrowButtonEnabled(true);
        EventQueue.invokeLater(new Runnable() {
          @Override public void run() {
            editor.getTextField().setCaretPosition(8);
            editor.getTextField().setSelectionStart(8);
            editor.getTextField().setSelectionEnd(10);
          }
        });
      }
    });
    setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
  }
  private void setArrowButtonEnabled(boolean flag) {
    for (Component c : getComponents()) {
      if (c instanceof JButton) {
        ((JButton) c).setEnabled(flag);
      }
    }
  }
  @Override public Component getTableCellEditorComponent(JTable table,
      Object value, boolean isSelected, int row, int column) {
    setValue(value);
    return this;
  }
  @Override public Object getCellEditorValue() {
    return getValue();
  }

  //Copied from AbstractCellEditor
  //protected EventListenerList listenerList = new EventListenerList();
  transient protected ChangeEvent changeEvent = null;

  @Override public boolean stopCellEditing() {
    try {
      commitEdit();
    } catch (Exception pe) {
      Toolkit.getDefaultToolkit().beep();
      return false;
    }
    fireEditingStopped();
    return true;
  }
// ...