sonata-project/SonataDoctrineORMAdminBundle — pull request #253 by tashanta (2013-08-08 15:23:14+00:00)
Title: Add a dropdown menu in form (sonata_type_model)

Dropdown menu is displayed if the associated entity has subclasses.

Maybe we can add a new one (or modify ```Resources/views/Button/create_button_html.twig```) to support this feature and reduce ```edit_orm_*.html.twig``` code.