app/views/partido_steps/_normas_internas_form.html.erb
<%= simple_form_for @partido.marco_interno, url: wizard_path, remote: true, :html => { :multipart => true } do |f| %>
<%= f.error_notification %>
<div id="flash_message" class="hidden alert alert-dismissible" role="alert">
<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>
</div>
<div class="row">
<div class="col-xs-12 col-sm-12 col-md-4">
<div class="form-inline">
<%= link_to_add_association f, :documentos, class: 'btn btn-success form-control', data: { 'association-insertion-method': 'append', 'association-insertion-node': '.nueva-norma-interna' } do %>
<i class="fa fa-plus"></i> Agregar otros documentos
<% end %>
</div>
</div>
</div>
<div class="row nueva-norma-interna"></div>
<div class="row">
<%= f.fields_for :documentos do |builder| %>
<%= render 'documento_fields', :f => builder %>
<% if (builder.options[:child_index] + 1) % 3 ==0 %>
</div><div class="row">
<% end %>
<% end %>
</div>
<div class="row" style="padding-top: 15px">
<div class="col-md-12">
<%= f.button :submit, 'Actualizar normas internas', class: 'btn-success' %>
</div>
</div>
<% end %>