<%= form_for(:role_filter, :remote => true, :url => @url, :method => @verb, :html => { :id => 'form_role_filter' } ) do |f| %>

Add <%= render :partial => 'form', :locals => {:f => f} %>

<%= t(:cancel) %> <%= f.submit t(:create_), class: 'btn btn-primary btn-small' %>

<% end %>