private void showSelectedNodes(){
  final Set<NaviNode> selectedNodes=m_graph.getSelectedNodes();
  final List<NaviNode> allNodes=GraphHelpers.getNodes(m_graph);
  allNodes.removeAll(selectedNodes);
  showNodes(selectedNodes,allNodes);
}

private void showSelectedNodes ( ) { final Set < NaviNode > selectedNodes = m_graph . getSelectedNodes ( ) ; final List < NaviNode > allNodes = GraphHelpers . getNodes ( m_graph ) ; allNodes . removeAll ( selectedNodes ) ; showNodes ( selectedNodes , allNodes ) ; }
shows all selected nodes of the graph while hiding all other nodes .
