static JComponent filePathInputWithBrowseButton(JTextField tf, O... _) {
  ret centerAndEastWithMargin(tf, jbutton("Browse...", r {
    JFileChooser fileChooser = new JFileChooser(getTextTrim(tf));
    if (fileChooser.showOpenDialog(tf) == JFileChooser.APPROVE_OPTION) {
      tf.setText(fileChooser.getSelectedFile().getAbsolutePath());
      callF(optPar onChoose(_));
    }
  }));
}