// Warning: The model pads with null-rows to match the size of the opposite table. 'value' could be null
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
int row, int column) {
Item member = (TwoColumnDiff.Item)value;
renderIcon((RelationMemberData) member.value);
switch(column) {
case 0:
renderRole(member, row, isSelected);
break;