// using the corresponding CheckBoxPainter to show the content like a
// checkbox in your NatTable
// in this case we use different icons to show how this works
configRegistry.registerConfigAttribute(
CellConfigAttributes.CELL_PAINTER,
new CheckBoxPainter(GUIHelper.getImage("arrow_up"), GUIHelper
.getImage("arrow_down")), DisplayMode.NORMAL,
EditorExample.COLUMN_EIGHT_LABEL);
// using a CheckBoxCellEditor also needs a Boolean conversion to work
// correctly