orbit-basic/app/views/admin/designs/_form.html.erb

<%= stylesheet_link_tag "design_temp"  %>
<%= javascript_include_tag "design_temp"  %>
<p>
<%= f.label :title, t('admin.title') %>
<%= f.text_field :title, :class => 'text'   %>
</p>

<p>
<%= f.label :author, t('admin.author') %>
<%= f.text_field :author, :class => 'text' %>
</p>

<p>
<%= f.label :intro, t('admin.intro') %>
<%= f.text_field :intro, :class => 'text' %>
</p>

<p>
<%= f.label "layout", t('admin.layout') %>
<%  if @design.layout.blank? %>
    <%= f.file_field :layout %>
  <% else%>
    <%= File.basename (Design.all.last.layout.url)  %>
<% end %> 
</p>
<p>
<%= render :partial => 'design_file' ,:locals => { :fieldname=>"stylesheet",:object=>@design ,:f=>f,:rtype=>'stylesheets',:item_destroy=>true,:item_editable=>true } %>
</p>

<p>
<%= render :partial => 'design_file' ,:locals => { :fieldname=>"javascript",:object=>@design ,:f=>f,:rtype=>'javascripts' ,:item_destroy=>true,:item_editable=>true} %>
</p>

<p>
<%= render :partial => 'design_file' ,:locals => { :fieldname=>"image",:object=>@design ,:f=>f,:rtype=>'images' ,:item_destroy=>true,:item_snapshot=>true} %>
</p>