LocalResourceManager resources = new LocalResourceManager(JFaceResources.getResources(), parent);
TaxonomyNodeRenderer renderer = new TaxonomyNodeRenderer(resources);
container = new Composite(parent, SWT.NONE);
StackLayout layout = new StackLayout();
container.setLayout(layout);
Page[] pages = new Page[] { new DefinitionViewer(model, renderer), //
new ReBalancingViewer(model, renderer), //
new PieChartViewer(model, renderer), //