GraphModel model = Lookup.getDefault().lookup(GraphController.class).getModel();
HierarchicalGraph graph = model.getHierarchicalGraphVisible();
initLevelsLinks(graph);
//Init status
GraphSettings settings = model.settings();
boolean enabled = (Boolean) settings.getClientProperty(GraphSettings.AUTO_META_EDGES);
autoMetaEdgeCheckbox.setSelected(enabled);
sumRadio.setEnabled(enabled);
avgRadio.setEnabled(enabled);
labelWeight.setEnabled(enabled);
//Weight
String builder = (String) settings.getClientProperty(GraphSettings.METAEDGE_BUILDER);
if (builder.equalsIgnoreCase("sum")) {
sumRadio.setSelected(true);
} else if (builder.equalsIgnoreCase("average")) {
avgRadio.setSelected(true);
} else {