app/views/observation_matrix_columns/list.html.erb
<%= render("/shared/data/all/list/list_header", objects: @observation_matrix_columns) -%>
<table class="tablesorter">
<thead>
<tr>
<%= fancy_th_tag(name: 'Matrix') -%>
<%= fancy_th_tag(name: 'Descriptor') -%>
<%= fancy_th_tag(name: 'Updated by', group: 'housekeeping') -%>
<%= fancy_th_tag(name: 'Last updated', group: 'housekeeping') -%>
</tr>
</thead>
<tbody>
<% @observation_matrix_columns.each do |matrix_column| %>
<%= content_tag(:tr, class: :contextMenuCells) do -%>
<td><%= observation_matrix_tag(matrix_column.observation_matrix) %></td>
<td><%= descriptor_tag(matrix_column.descriptor) %></td>
<%= fancy_metadata_cells_tag(matrix_column) -%>
<% end %>
<% end %>
</tbody>
</table>