private void updateAbstractState() {
    boolean hasJavadoc = false;
    for (MemberInfo info : myMemberInfos) {
      final PsiMember member = info.getMember();
      final boolean abstractWhenDisabled = myMemberInfoModel.isAbstractWhenDisabled(info);
      info.setToAbstract(abstractWhenDisabled);
      if (myMemberInfoModel.isAbstractEnabled(info) || abstractWhenDisabled) {
        if (!hasJavadoc &&
            member instanceof PsiDocCommentOwner &&
            ((PsiDocCommentOwner)member).getDocComment() != null) {
          hasJavadoc = true;
        }
      }
    }
    UIUtil.setEnabled(myJavaDocPanel, hasJavadoc, true);
  }
private void updateAbstractState()