JTableのセルをダブルクリック

table.setAutoCreateRowSorter(true);
table.addMouseListener(new MouseAdapter() {
  @Override public void mouseClicked(MouseEvent e) {
    if (e.getClickCount() >= 2) {
      Point pt = e.getPoint();
      int idx = table.rowAtPoint(pt);
      if (idx >= 0) {
        int row = table.convertRowIndexToModel(idx);
        String str = String.format(
          "%s (%s)", model.getValueAt(row, 1), model.getValueAt(row, 2));
        JOptionPane.showMessageDialog(
          table, str, "title", JOptionPane.INFORMATION_MESSAGE);
      }
    }
  }
});