}
if (data instanceof ItemBand)
{
final GroupDataBody g = (GroupDataBody) parent;
final ItemBand oldBand = g.getItemBand();
final ItemBand newBand = new ItemBand();
g.setItemBand(newBand);
return new SectionEditUndoEntry(g.getObjectID(), ModelUtility.findIndexOf(g, newBand), oldBand, newBand);
}
if (data instanceof NoDataBand)
{