DataLayer bodyDataLayer = new DataLayer(bodyDataProvider);
SelectionLayer selectionLayer = new SelectionLayer(bodyDataLayer);
ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);
// build the column header layer
IDataProvider columnHeaderDataProvider = new DefaultColumnHeaderDataProvider(
propertyNames, propertyToLabelMap);
DataLayer columnHeaderDataLayer = new DefaultColumnHeaderDataLayer(
columnHeaderDataProvider);
ILayer columnHeaderLayer = new ColumnHeaderLayer(columnHeaderDataLayer,
viewportLayer, selectionLayer);