openproject/app/views/timelines/_vertical_planning_elements.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.

++#%>

<fieldset id="filter_comparison" class="form--fieldset -collapsible collapsed">
  <legend class="form--fieldset-legend" title="<%=l(:description_filter_toggle)%>" onclick="toggleFieldset(this);">
    <a href="javascript:"><%= l('timelines.vertical_work_package') %></a>
  </legend>

  <div style="display:none;">
    <%= f.fields_for :options, timeline_options do |ff| %>
      <div class="form--field">
        <%= ff.text_field :vertical_planning_elements, label:l('timelines.vertical_work_package') %>
      </div>
    <% end %>
  </div>
</fieldset>