this.add(new DropDownChoice("categorie", course.getCategories(),
new CategorieChoiceRenderer()).setRequired(true));
final List<Club> clubs = clubService.findByCourse(course);
this.add(new DropDownChoice("club", clubs, new ClubChoiceRenderer())
.setRequired(false).setEnabled(course.isClub()));
this.add(new TextField("commanditaire").setEnabled(course
.isCommanditaire()));
this.add(new TextField("prix").setRequired(!prixReadOnly).setEnabled(