private void createVerticalNatTable(Composite parent,
final ICellPainter painter) {
IDataProvider bodyDataProvider = new ExampleHeaderDataProvider();
SelectionLayer selectionLayer = new SelectionLayer(new DataLayer(
bodyDataProvider, 20, 100));
ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);
ColumnHeaderLayer columnHeaderLayer = new ColumnHeaderLayer(
new DataLayer(new DummyColumnHeaderDataProvider(
bodyDataProvider), 20, 100), viewportLayer,
selectionLayer);