protected GraphicNode createGroup(int level,NodeGroup group,NodeSorter sorter,Node node){
return createGroupWithName(level,group,sorter.getGroupName(node));
}
private void groupList(List list,List destList,ListIterator groupIterator,Node parentGroup,NodeTransformer composition, boolean preserveHierarchy){
NodeGroup group=(NodeGroup)groupIterator.next();
NodeSorter sorter=group.getSorter();
GraphicNodeComparator gcomp=new GraphicNodeComparator(sorter,composition);
sorter.sortList(list,gcomp,preserveHierarchy);
GraphicNode last=null;
List nodes=null;
GraphicNode current;