= form_tag site_i18n_edit_path(@site), method: :get, class: 'form-inline' do
  %h1
    = t('i18n.translating.from')
    = select_tag 'from', 
      options_for_select(@options, @lang_from),
      class: 'form-control'
    = t('i18n.translating.to')
    = select_tag 'to', 
      options_for_select(@options, @lang_to),
      class: 'form-control'
    = submit_tag t('i18n.change'), class: 'btn btn-info', name: nil

= form_tag site_i18n_path(@site), method: :post, class: 'form' do
  = hidden_field 'i18n', 'lang_to', value: @lang_to
  .form-group
    = submit_tag t('i18n.save'), class: 'btn btn-success'

  = render 'i18n/recursive', data: @site.data.dig(@lang_from), superkeys: []