sanger/sequencescape

<div><label for="barcode_printer_list" style="display:none">Barcode Printer</label></div>
<select name="printer" id="barcode_printer_list" class="select2">
   <% printer_list = BarcodePrinter.alphabetical.includes(:barcode_printer_type).all.group_by {|printer| "#{printer.barcode_printer_type.name} (#{printer.active? ? 'Active' : 'Inactive'})" } %>
   <% printer_list.each do |group, printers| %>
    <optgroup label="<%= group %>">
      <% printers.each do |printer| %>
        <option value="<%= printer.name %>"><%= printer.name %></option>
      <% end %>
    </optgroup>
  <% end %>
</select>