private void populateMetaData(Fragment frg) {

    if (frg != null) {
      taMetaData.setText(frg.toString());
    } else {
      taMetaData.setText(fh.getFragmentWebMetaDataAsMultiLineString());
    }
  }
  void displayChildren(Fragment f) {
    lstMdlChildren.clear();

    if (f != null) {
      for (Fragment frg : f.getChildren()) {
        lstMdlChildren.addElement(frg);
      }
    }
  }
  void displayParents(Fragment f) {
    lstMdlParents.clear();

    if (f != null) {
      for (Fragment frg : f.getParents()) {
        lstMdlParents.addElement(frg);
      }
    }
  }
  private void populateConnectionInput(Fragment fragment) {

    if (fragment != null) {
      txtFrg1.setText(fragment.getKey().toString());
    }
  }