add(container);
RepeatingView view = new RepeatingView("sortableItem");
List<String> list = choices;
for (int a = 0; a < list.size(); a++) {
SortableItem item = new SortableItem(view.newChildId());
view.add(item);
item.add(new Label("label", list.get(a)));
}
container.add(view);
}