= simple_form_for @group_order_article, remote: true do |form|
  = form.hidden_field :order_article_id
  .modal-header
    = close_button :modal
    %h3= t('.amount_change_for', article: @order_article.article.name)
  .modal-body
    = form.input :ordergroup_id, as: :select, collection: Ordergroup.undeleted.map { |g| [g.name, g.id] }
    = form.input :result, hint: I18n.t('group_order_articles.form.result_hint', unit: @order_article.article.unit) # Why do we need the full prefix?
  .modal-footer
    = link_to t('ui.close'), '#', class: 'btn', data: {dismiss: 'modal'}
    = form.submit t('ui.save'), class: 'btn btn-primary'