AutoPanAction autoPan = new AutoPanAction();
// create the filtering and layout
ActionList filter = new ActionList();
filter.add(new FisheyeTreeFilter(tree, 2));
filter.add(new FontAction(treeNodes, FontLib.getFont("Tahoma", 16)));
filter.add(treeLayout);
filter.add(subLayout);
filter.add(textColor);
filter.add(nodeColor);