private void validateFields() {
    HgReferenceValidator validator = new HgBranchReferenceValidator(myRepository);
    String name = getName();
    if (!validator.checkInput(name)) {
      String message = validator.getErrorText(name);
      setErrorText(message == null ? HgBundle.message("hg4idea.bookmark.specify.name") : message, myBookmarkName);
      setOKActionEnabled(false);
      return;
    }
    setErrorText(null);
    setOKActionEnabled(true);
  }
private void validateFields()