openproject/modules/backlogs/app/views/rb_master_backlogs/_backlog.html.erb

<%#-- copyright
OpenProject is an open source project management software.
Copyright (C) 2012-2021 the OpenProject GmbH

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 3.

OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
Copyright (C) 2006-2013 Jean-Philippe Lang
Copyright (C) 2010-2013 the ChiliProject Team

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

See COPYRIGHT and LICENSE files for more details.

++#%>

<% folded = current_user.backlogs_preference(:versions_default_fold_state) == "closed" %>
<div class="backlog" id="backlog_<%= backlog.sprint.id %>">
  <div class="header">
    <% icon = folded ? 'icon-arrow-down1' : 'icon-arrow-up1' %>
    <div class="toggler <%= icon %> icon-small<%= ' closed' if folded %>"> </div>
    <%= render :partial => "rb_sprints/sprint", :object => backlog.sprint %>
    <div class="velocity"> </div>
    <%= render_backlog_menu backlog %>
  </div>
  <ul class="stories<%= ' closed' if folded %>">
    <% reset_cycle 'stories' %>
    <% backlog.stories.each_with_index do |story, index| %>
      <% higher_item = index == 0 ? nil :
                                    backlog.stories[index - 1] %>

      <%= render :partial => "rb_stories/story",
                 :locals => { :story => story,
                              :higher_item => higher_item } %>
    <% end %>
  </ul>
</div>