app/assets/javascripts/voluntary_ranking/controllers/index_controller.js.coffee
Volontariat.IndexController = Volontariat.Controller.extend(Volontariat.RankingController,
yourRanking: false
yourRankingClass: 'your_ranking_button btn-default btn', globalRankingClass: 'global_ranking_button btn-default btn active'
adjective: '', negativeAdjective: '', topic: '', scope: ''
)