app/views/application/_section_fields.html.erb
<div class="fields" data-new-record=<%= section.new_record? %>>
<%= form.simple_fields_for "section_attributes[]", section do |fields| %>
<div class="sorting-controls">
<a href="javascript:void(0)" data-behaviour="move-up">⬆️</a>
<a href="javascript:void(0)" data-behaviour="move-down">⬇️</a>
</div>
<%= fields.input :title %>
<%= fields.input :body, as: :rich_text_area %>
<%= fields.input :position,
as: :hidden,
input_html: { data: { attribute: "position" } } %>
<%= fields.input :_destroy,
as: :hidden,
input_html: { data: { attribute: "_destroy" } } %>
<%= button_tag "Esborrar secció",
type: :button,
class: "push-right btn btn-danger btn-smaller",
data: { behaviour: "remove-record" } %>
<% end %>
</div>