app/views/ckeditor/attachment_files/index.html.erb
<div id="fileupload" class="gal-holder">
<div class="gal-item">
<div class="fileupload-button gal-upload-holder">
<%= link_to I18n.t(:upload, scope: [:ckeditor, :buttons]), 'javascript:void(0)', class: "add" %>
</div>
</div>
<div class="fileupload-list">
<%= render partial: 'ckeditor/shared/asset', collection: @attachments.scoped %>
</div>
<% unless @attachments.last_page? %>
<div class="pagination">
<%= link_to I18n.t("ckeditor.buttons.next"), ckeditor.attachment_files_path(page: @attachments.next_page), class: "next", rel: "next" %>
</div>
<% end -%>
<script type="text/javascript">
<%= Ckeditor::Utils.js_fileuploader('attachments') %>
</script>
</div>