private RepeatingView createRolesRepeater(IModel<Set<Role>> rolesModel) {
RepeatingView rolesRepeater = new RepeatingView("rolesRepeater");
Set<Role> roles = rolesModel.getObject();
for (Role role : roles) {
WebMarkupContainer roleItem = new WebMarkupContainer(rolesRepeater.newChildId());
rolesRepeater.add(roleItem);
roleItem.add(new Label("roleName", "[" + role.toString() + "]"));
// //MZA: WebMarkupContainer could be removed when ugly hack with " " was used
// rolesRepeater.add(new Label(rolesRepeater.newChildId(), role + " "));
}