if (filterTrees == null){
filterTrees = new LinkedList();
}
LinkedList eml = new LinkedList();
eml.add(filterMember);
FilterTree filterTree = new FilterTree( smd
, q
, ((DimensionTreeModel)dimTree.getTree().getModel()).getDimensionTreeElement(filterMember.getDimensionUniqueName())
, eml
, this);
filterTrees.add(filterTree);
refreshLeftPane();
return (FilterTreeModel)filterTree.getTree().getModel();
}