.row
  .alert.alert-info
    = t 'activities.subgroups.only_present_people'
.row
  .col-md-12
    = form_tag(group_activity_update_subgroups_path(@group, @activity)) do
      %table.table
        %tr
          %th
            Naam

          %th
            Huidig

          %th
            Nieuw

        - @participants.each do |p|
          %tr
            %td
              = p.person.full_name

            %td
              = p.subgroup&.name || '--'

            %td
              = select_tag("participant_subgroups[#{p.id}]", options_for_select(@subgroup_options, p.subgroup_id || 'nil'), class: 'form-control input-sm')

      = submit_tag("Opslaan", class: 'btn btn-primary')
      = link_to(edit_group_activity_path(@group, @activity), class: 'btn btn-default') do
        = t :back