final GridSize gridSize = (rechnungsPosition != null) ? GridSize.COL25 : GridSize.COL33;
{
posGridBuilder.newSplitPanel(GridSize.COL50, true);
if (rechnungsPosition != null) {
// Order
posGridBuilder.newSubSplitPanel(gridSize); // COL25
final FieldsetPanel fieldset = posGridBuilder.newFieldset(getString("fibu.auftrag")).setLabelSide(false);
fieldset.add(new InputPanel(fieldset.newChildId(), new AuftragsPositionFormComponent(InputPanel.WICKET_ID,
new PropertyModel<AuftragsPositionDO>(position, "auftragsPosition"), false)));
fieldset.add(new IconPanel(fieldset.newIconChildId(), IconType.GOTO, getString("show")) {
/**