static JComponent dm_textFieldAndSubmit(S field, fS submitMethodName, O... _) {
  final DynModule m = dm_current_mandatory();
  ret dm_textFieldAndSubmit(field, rThread { call(m, submitMethodName) }, _);
}

static JComponent dm_textFieldAndSubmit(S field, Runnable action, O... _) {
  ret centerAndEastWithMargin(onEnter(dm_textField(field), action),
    jbutton(optPar(_, 'buttonText, "Submit"), action));
}