<%= content_record.input :unity_id, as: :select2_unity, user: current_user %>
<%= content_record.association :classroom, as: :select2_classroom, user: current_user,
record: f.object %>
<%= f.association :discipline, as: :select2_discipline, user: current_user, record: f.object,
classroom_id: @discipline_content_record.content_record.classroom_id %>
<%= content_record.input :record_date, as: :date, readonly: true %>
<% if @allow_class_number %>
<%= f.input :class_number, as: :select2, multiple: true,
elements: number_of_classes_elements(@number_of_classes),
disabled: true %>
<% end %>