openproject/app/views/work_packages/_two_column_attributes.html.erb

<%#-- copyright
OpenProject is a project management system.
Copyright (C) 2012-2015 the OpenProject Foundation (OPF)

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 doc/COPYRIGHT.rdoc for more details.

++#%>
<% left_attributes, right_attributes = attributes.in_groups(2, false) %>

<div class="splitcontentleft">
   <% left_attributes.each do |attribute| %>

    <div class="attribute_wrapper">
      <%= attribute.field %>
    </div>

  <% end %>
</div>

<div class="splitcontentright">
   <% right_attributes.each do |attribute| %>

    <div class="attribute_wrapper">
      <%= attribute.field %>
    </div>

  <% end %>
</div>