}
private void focusOnFirstParameter(AjaxRequestTarget target, ActionPanel actionPanel) {
// first, force all parameters to build themselves...
actionPanel.visitChildren(new IVisitor<Component, Component>() {
@Override
public void component(Component object, IVisit<Component> visit) {
if (object instanceof ScalarPanelAbstract) {
ScalarPanelAbstract spa = (ScalarPanelAbstract) object;
spa.forceBuildGui();