spree-contrib/spree_email_to_friend

<% content_for :page_title do %>
  <%= Spree.t('captcha.captcha_settings') %>
<% end %>

<%= form_tag(admin_captcha_settings_path, method: :put) do |f| -%>

  <fieldset>
    <div data-hook="admin_captcha_settings" class="row">

      <div class="form-group choices">
        <%= label_tag Spree.t('captcha.use_captcha') %>
        <div class="inline-radio">
          <%= label_tag do %>
            <%= radio_button_tag 'preferences[use_captcha]', true, Spree::Captcha::Config[:use_captcha] %>
            <%= Spree.t(:yes) %>
          <% end %>

          <%= label_tag do %>
            <%= radio_button_tag 'preferences[use_captcha]', false, !Spree::Captcha::Config[:use_captcha] %>
            <%= Spree.t(:no) %>
          <% end %>
        </div>
      </div>

      <div data-hook="site_key" class="form-group">
        <%= label_tag Spree.t('captcha.site_key') %>
        <%= text_field_tag 'preferences[site_key]', Spree::Captcha::Config[:site_key], class: 'control-form' %>
      </div>

      <div data-hook="secret_key" class="form-group">
        <%= label_tag Spree.t('captcha.secret_key') %>
        <%= text_field_tag 'preferences[secret_key]', Spree::Captcha::Config[:secret_key], class: 'control-form' %>
      </div>

      <div data-hook="theme" class="form-group">
        <%= label_tag Spree.t('captcha.theme') %>
        <%= select_tag 'preferences[theme]', options_for_select(Spree::CaptchaConfiguration::THEMES, Spree::Captcha::Config[:theme]), class: 'select2' %>
      </div>

    </div>

    <div class="form-actions actions" data-hook="buttons">
      <%= button Spree.t(:update), 'update' %>
    </div>

  </fieldset>

<% end -%>