protected WizardPopup createPopup(WizardPopup parent, PopupStep step, Object parentValue) {
if (step instanceof ListPopupStep) {
return new ListPopupImpl(parent, (ListPopupStep) step, parentValue);
} else if (step instanceof TreePopupStep) {
return new TreePopupImpl(parent, (TreePopupStep) step, parentValue);
} else {
throw new IllegalArgumentException(step.getClass().toString());
}
}
