controlsPanel.setHorizontalAlignment(PHorizontalAlignment.ALIGN_CENTER);
for (final String option : options) {
final PButton button = new PButton();
button.setText(option);
button.ensureDebugId("optionpane[" + option + "]");
button.addClickHandler(new PClickHandler() {
@Override
public void onClick(final PClickEvent clickEvent) {
handler.onAction(dialogBox, option);