- content_for :title do
  Modifier un fichier
- content_for :toolbar do
  = link_to admin_item_path(@item), class: 'btn btn-success' do
    %i.fa.fa-download
    Versions

= form_for [:admin, @item], html: { role: 'form', data: { validated: true } } do |f|
  = render partial: 'fields', locals: {:f => f}