openproject/app/views/projects/_members_box.html.erb

<%#-- copyright
OpenProject is a project management system.
Copyright (C) 2012-2018 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) 2006-2017 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 docs/COPYRIGHT.rdoc for more details.

++#%>

<% if @users_by_role.any? %>
  <div class="members widget-box">
    <h3 class="widget-box--header">
      <%= op_icon('icon-context icon-group') %>
      <span class="widget-box--header-title"><%=l(:label_member_plural)%></span>
    </h3>
    <p>
      <% @users_by_role.sort.each do |role, users| %>
        <%= role %>: <%= users.sort.collect{ |u| link_to_user u }.join(", ").html_safe %><br />
      <% end %>
    </p>

    <% if current_user.allowed_to?(:manage_members, @project) %>
      <%= link_to project_members_path(project_id: @project.identifier),
                  class: 'button -alt-highlight',
                  aria: { label: t(:button_add_member) },
                  title: t(:button_add_member) do %>
        <%= op_icon('button--icon icon-add') %>
        <span class="button--text"><%= l('activerecord.models.member') %></span>
      <% end %>
    <% end %>
  </div>
<% end %>