openproject/app/views/projects/list_members.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.

++#%>
<%= toolbar title: l(:label_member_plural) %>
<% if @members.empty? %>
  <p><i><%= l(:label_no_data) %></i></p>
<% end %>
<% members = @members.group_by {|m| m.role } %>
<% members.keys.sort{|x,y| x.position <=> y.position}.each do |role| %>
  <h3><%= h(role.name) %></h3>
  <ul>
    <% members[role].each do |m| %>
      <li><%= link_to_user m.user %> (<%= format_date m.created_on %>)</li>
    <% end %>
  </ul>
<% end %>