- reset_cycle
tr.group.open
  td colspan="#{query.inline_columns.size + 2}"
    span.expander.icon.icon-expended[onclick="toggleRowGroup(this);"]
      '  
    span.name = group_name
    - if group_count.present?
      '
      span.badge.badge-count.count = group_count
    '
    span.totals = group_totals
    = link_to_function("#{l :button_collapse_all}/#{l :button_expand_all}",
                       'toggleAllRowGroups(this)', class: 'toggle-all')