private ViewNode removeElement(final INaviViewNode element){
  for (  final ViewNode viewNode : m_elements) {
    if (viewNode.getNative() == element) {
      m_elements.remove(viewNode);
      return viewNode;
    }
  }
  return null;
}

private ViewNode removeElement ( final INaviViewNode element ) { for ( final ViewNode viewNode : m_elements ) { if ( viewNode . getNative ( ) == element ) { m_elements . remove ( viewNode ) ; return viewNode ; } } return null ; }
removes an element from the group node .
