bodyDataProvider - my custom body data provider

DataLayer bodyDataLayer = new DataLayer(bodyDataProvider);
		
		 ColumnReorderLayer columnReorderLayer = new ColumnReorderLayer(bodyDataLayer);
		    ColumnHideShowLayer columnHideShowLayer = new ColumnHideShowLayer(columnReorderLayer);
		    SelectionLayer selectionLayer = new SelectionLayer(columnHideShowLayer);
		    ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);

final FreezeLayer freezeLayer = new FreezeLayer(selectionLayer);
		final CompositeFreezeLayer compositeFreezeLayer = new CompositeFreezeLayer(freezeLayer,
				viewportLayer, selectionLayer);

columnHeaderDataProvider - custom column header data provider.

final ILayer columnHeaderLayer = new ColumnHeaderLayer(new DefaultColumnHeaderDataLayer(
				columnHeaderDataProvider), compositeFreezeLayer, selectionLayer);
		// Row header
		final IDataProvider rowHeaderDataProvider = new DefaultRowHeaderDataProvider(bodyDataProvider);
		final ILayer rowHeaderLayer = new RowHeaderLayer(new DefaultRowHeaderDataLayer(rowHeaderDataProvider),
				compositeFreezeLayer, selectionLayer);

		// Corner
		final DefaultCornerDataProvider cornerDataProvider = new DefaultCornerDataProvider(columnHeaderDataProvider,
				rowHeaderDataProvider);
		final CornerLayer cornerLayer = new CornerLayer(new DataLayer(cornerDataProvider), rowHeaderLayer,
				columnHeaderLayer);

		// Grid
		final GridLayer gridLayer = new GridLayer(compositeFreezeLayer, columnHeaderLayer, rowHeaderLayer, cornerLayer);

		patientCareResultsComposite.tblPCRResults = new NatTable(patientCareResultsComposite, gridLayer, false);

selectionLayer.addConfiguration(new DefaultSelectionLayerConfiguration());

		patientCareResultsComposite.tblPCRResults.addConfiguration(new DefaultNatTableStyleConfiguration());
		patientCareResultsComposite.tblPCRResults.addConfiguration(new HeaderMenuConfiguration(patientCareResultsComposite.tblPCRResults));
		patientCareResultsComposite.tblPCRResults.addConfiguration(new DefaultFreezeGridBindings());
		// ADD BODY MENU CONFIG
		patientCareResultsComposite.tblPCRResults.addConfiguration(new BodyMenuConfiguration(patientCareResultsComposite.tblPCRResults, selectionLayer));

		patientCareResultsComposite.tblPCRResults.configure();
		 selectionLayer.setSelectedCell(2, 0);
		   patientCareResultsComposite.tblPCRResults.doCommand(new FreezeSelectionCommand());
		   //patientCareResultsComposite.tblPCRResults.updateResize();
		   selectionLayer.clear();

		patientCareResultsComposite.tblPCRResults.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));