= f.inputs :name => :information do
  = f.input :name
  = f.input :source

- if @asset.image?
  = f.foldable_inputs :name => "#{t('formtastic.titles.preview')} #{image_dimensions_and_size(@asset)}", :class => 'preview' do
    %li
      .image
        .inside
          = image_tag(@asset.source.url(:preview))