svoid mapMethodLike dm_stringFieldDialog(fS field, fO... _) {
  final DynModule m = dm_current_mandatory();
  fS humanized = humanizeFormLabel(field);
  final JTextField tf = jtextfield(get(m, field));
  showFormTitled(or2(stringOptPar(_, 'formTitle), "Set " + humanized),
    humanized + ":", tf, r {
      m.setField(field, gtt(tf));
      callF(optPar(_, 'onSet));
    });
}

Began life as a copy of #1022601