seminar/app/views/admin/seminars/seminar_signup_field.html.erb

<% content_for :page_specific_css do -%>
    <%= stylesheet_link_tag "lib/wrap-nav.css" %>
    <%= stylesheet_link_tag "lib/pageslide.css" %>
    <%= stylesheet_link_tag "lib/main-forms.css" %>
    <%= stylesheet_link_tag "lib/togglebox.css" %>
<% end -%>

<% content_for :page_specific_javascript do -%>
    <%= javascript_include_tag "lib/jquery.tmpl.min.js" %>
    <%= javascript_include_tag "seminar-field-forms.js" %>
<% end -%>

<%= form_for @attribute,:url => admin_seminar_path(@attribute) , :html => { :class=> "form-horizontal main-forms" } do |f| %>
  <% if flash.now[:notice].present? %>
    <%= flash.now[:notice]%>
  <% end %>

  <h3><%= @attribute.title %></h3>
  <fieldset>

    <div id="attributes-area" class="input-area sortable">
      <%= render partial: "attribute_field",collection: @attribute.seminar_signup_fields.asc(:sort_number, :_id)%>
    </div>

    <div class="form-actions">
      <button type="button" class="btn btn-success add-attributes"><%= t(:add_attribute_field) %></button>
      <%= hidden_field_tag 'id', params[:id] if !params[:id].blank? %>
      <%= f.submit t(:submit),:class=>"btn btn-primary"%>  
      <%= link_to t('cancel'), get_go_back, :class=>"btn" %>              
    </div>
  </fieldset>
<% end %>


<% content_for :page_specific_javascript do -%>
  <%= render 'support_member_form_js' %>
<% end -%>
<style type="text/css">
  #attributes-area h4:before {
    content: "\e096";
    font-family: 'entypo';
    cursor: pointer;
  }
</style>
<script>
  function update_key(ele){
    var ui_child=$(ele).parents('.sortable.ui-sortable').find('.attributes');
    for (var i=0;i<ui_child.length;i++){
      var now_ele = ui_child.eq(i);
      var new_i = i + 1;
      now_ele.find('.sort_number').val(i);
      now_ele.find('h4 span').text(new_i);
    }
  }
  $('.sortable').ready(function(){
    $( ".sortable" ).sortable({
      axis: "y",
      revert: true,
      placeholder: "sortable-placeholder",
      handle: ".attributes-header",
      update: function(event, ui) {
        update_key(ui.item)
      }
    });
    $('.sortable').disableSelection();
  })
</script>