orbit-4-1/app/views/admin/designs/_images.html.erb

<table id='image_list' class="table table-striped">
  <thead>
    <tr>
      <th class="span1"><%= t(:name) %></th>
      <th class="span1"><%= t(:image) %></th>
      <th class="span1"><%= t(:size) %></th>
      <th class="span4"><%= t(:url) %></th>
    </tr>
  </thead>
  <tbody id="tbody_assets" class="sort-holder">
    <%= render :partial => 'image', :collection => @design.images %>
  </tbody>
</table>


<div class="modal hide fade" id="imageModal" tabindex="-1" role="dialog" aria-labelledby="imageModalLabel" aria-hidden="true">
  <div class="modal-header">
    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
    <h3 id="imageModalLabel">Add image</h3>
  </div>
  <%= form_for :image, :url => upload_image_admin_design_path, :html => {:id => 'ajaxForm', :class => 'form-horizontal'}, :method => :post do |f| %>
    <div class="modal-body">
      <div class="control-group">
        <%= f.label :image, t(:image), :class => "control-label" %>
        <div class="controls">
          <%= f.file_field :file %>
        </div>
      </div>
    </div>
    <div class="modal-footer">
      <button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
      <%= f.submit t(:add), :class => "btn btn-primary" %>
    </div>
  <% end %>
</div>


<div class="form-actions form-fixed pagination-right">
  <button class="btn btn-primary" href="#imageModal" data-toggle="modal"><%= t(:add) %></button>
</div>