<%= form_for @plan, :html => { :class => 'form-horizontal' } do |f| %>
  <div class="control-group">
    <%= f.label :locked, :class => 'control-label' %>
    <div class="controls">
      <%= f.check_box :locked, :class => 'check_box' %>
    </div>
  </div>
  <div class="control-group">
    <%= f.label :project_id, :class => 'control-label' %>
    <div class="controls">
      <%= f.number_field :project_id, :class => 'number_field' %>
    </div>
  </div>
  <div class="control-group">
    <%= f.label :version_id, :class => 'control-label' %>
    <div class="controls">
      <%= f.number_field :version_id, :class => 'number_field' %>
    </div>
  </div>
  <div class="control-group">
    <%= f.label :slug, :class => 'control-label' %>
    <div class="controls">
      <%= f.text_field :slug, :class => 'text_field' %>
    </div>
  </div>

  <div class="form-actions">
    <%= f.submit nil, :class => 'btn btn-primary' %>
    <%= link_to _('helpers.links.cancel'),
                plans_path, :class => 'btn' %>  <!-- helpers.links.cancel does not exist -->
  </div>
<% end %>