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

static JComponent dm_textFieldAndSubmit(S field, Runnable action) {
  ret centerAndEastWithMargin(onEnter(dm_textField(field), action),
    jbutton("Submit", action));
}