final NatTable natTable = new NatTable(container, gridLayer);
GridDataFactory.fillDefaults().grab(true, true).applyTo(natTable);
// adding a full border
natTable.addOverlayPainter(new NatTableBorderOverlayPainter(natTable
.getConfigRegistry()));
Composite buttonPanel = new Composite(container, SWT.NONE);
buttonPanel.setLayout(new GridLayout(3, true));
GridDataFactory.fillDefaults().grab(true, false).applyTo(buttonPanel);