openproject/app/views/timelog/_report_criteria.rhtml

<% @available_criterias[criterias[level]][:values].each do |value| %>
<tr class="<%= cycle('odd', 'even') if criterias.length < level + 2 %>">
<%= '<td></td>' * level %>
<td><%= value.name %></td>
<%= '<td></td>' * (criterias.length - level - 1) %>
<% hours_for_value = select_hours(hours, criterias[level], value.id) %>
  <% @periods.each do |period| %>
    <% sum = sum_hours(select_hours(hours_for_value, @columns, period.to_s)) %>
    <td align="center"><%= sum > 0 ? sum : "-" %></td>
  <% end %>
</tr>
<% if criterias.length > level+1 %>
  <%= render(:partial => 'report_criteria', :locals => {:criterias => criterias, :hours => hours_for_value, :level => (level + 1)}) %>
<% end %>

<% end %>
<% reset_cycle %>