app/views/cdx/admin/settings/_form.html.erb
<% if defined?(f) %>
<div class="box-body">
<%= f.input :acronym %>
<%= f.input :default_theme, collection: Cdx::Setting::AVAILABLE_THEMES, input_html: { class: 'select2-simple theme-selector' }, include_blank: false %>
<%= f.input :default_locale, collection: locales_options_tags, input_html: { class: 'select2-simple-search' }, include_hidden: false %>
<%= f.input :available_locales, collection: locales_options_tags, input_html: { class: 'select2-multiple', multiple: true }, include_hidden: false %>
<%= render partial: 'cdx/admin/shared/seo_form', locals: { f: f } %>
</div>
<div class="box-footer">
<%= f.button :submit %>
</div>
<% end %>