.tabbable
  %ul.nav.nav-tabs
    %li.active
      = link_to "Proposal", "#proposal-content", "data-toggle"=>"tab"
    %li
      = link_to "Attachments", "#attachment-content", "data-toggle"=>"tab"
  .tab-content
    #proposal-content.tab-pane.active
      = render 'proposal_form'
    #attachment-content.tab-pane
      .span12
        = form_for EventAttachment.new, :url => conference_proposal_event_attachment_index_path(@conference.short_title, @event),
                                        :html => { :multipart => true, :id => "fileupload"  } do |f|
          %table.table.table-striped
            %thead
              %th
              %th
                %b Filename
              %th
                %b Title
              %th
                %b Size
              %th
                %b Public
              %th
            %tbody.files
          .row-fluid.fileupload-buttonbar
            .btn.btn-success.fileinput-button
              %i.icon-plus.icon-white
              Add files...
              = f.file_field :attachment
              = f.hidden_field :event_id, :value => @event.id

:javascript
  $(document).ready( function() {
      $('#fileupload').fileupload();
      $('#fileupload').bind('fileuploadsubmit', function (e, data) {
          var inputs = data.context.find(':input');
          if (inputs.filter('[required][value=""]').first().focus().length) {
              return false;
          }
          data.formData = inputs.serializeArray();
      });

  } );

:plain
  <script id="template-upload" type="text/x-tmpl">
    {% for (var i=0, file; file=o.files[i]; i++) { %}
    <tr class="template-upload fade">
      <td class="preview"><span class="fade"></span></td>
      <td class="name"><span>{%=file.name%}</span></td>
      <td class="name"><input type="text" name="title[]" value="{%=file.name%}"/></td>
      <td class="size"><span>{%=o.formatFileSize(file.size)%}</span></td>
      <td class="name"><input checked type="checkbox" name="public">Public</input></td>
      {% if (file.error) { %}
      <td class="error" colspan="2"><span class="label label-important">{%=locale.fileupload.error%}</span> {%=locale.fileupload.errors[file.error] || file.error%}</td>
      {% } else if (o.files.valid && !i) { %}
      <td>
        <div class="progress progress-success progress-striped active"><div class="bar" style="width:0%;"></div></div>
      </td>
      <td class="start">{% if (!o.options.autoUpload) { %}
        <button class="btn btn-primary">
          <i class="icon-upload icon-white"></i>
          <span>{%=locale.fileupload.start%}</span>
        </button>
        {% } %}</td>
      {% } else { %}
      <td colspan="2"></td>
      {% } %}
      <td class="cancel">{% if (!i) { %}
        <button class="btn btn-warning">
          <i class="icon-ban-circle icon-white"></i>
          <span>{%=locale.fileupload.cancel%}</span>
        </button>
        {% } %}</td>
    </tr>
    {% } %}
  </script>

  <script id="template-download" type="text/x-tmpl">
    {% for (var i=0, file; file=o.files[i]; i++) { %}
      <tr class="template-download fade">
        {% if (file.error) { %}
          <td>{%=file.title%}</td>
          <td class="name">{%=file.name%}</td>
          <td class="size">{%=o.formatFileSize(file.size)%}</td>
          <td class="error" colspan="2"><span class="label label-important">{%=locale.fileupload.error%}</span> {%=locale.fileupload.errors[file.error] || file.error%}</td>
          {% } else { %}
          <td class="preview">{% if (file.thumbnail_url) { %}
            <a href="{%=file.url%}" title="{%=file.name%}" rel="gallery" download="{%=file.name%}"><img src="{%=file.thumbnail_url%}"></a>
            {% } %}</td>
          <td class="name">
            <a href="{%=file.url%}" title="{%=file.name%}" rel="{%=file.thumbnail_url&&'gallery'%}" download="{%=file.name%}">{%=file.name%}</a>
          </td>
          <td>{%=file.title%}</td>
          <td class="size">{%=o.formatFileSize(file.size)%}</td>
          <td>{%=file.public%}</td>
          <td colspan="2"></td>
          {% } %}
        <td class="delete">
          <button class="btn btn-danger pull-right" data-type="{%=file.delete_type%}" data-url="{%=file.delete_url%}">
            <i class="icon-trash icon-white"></i>
            <span>{%=locale.fileupload.destroy%}</span>
          </button>
        </td>
      </tr>
      {% } %}
  </script>