app/views/admin/hash_annotations/_form.html.erb
<%= form_for :annotation, :url => collection_path, :remote => true do |f| %>
<%= error_messages_for(@annotation) %>
<label>Event</label>
<%= f.select :event_id,
options_from_collection_for_select(@events, :id, :name, @annotation && @annotation.event_id)
%><br />
<%= f.label :symbol %>
<%= f.text_field :symbol %>
<% traco_locale_columns(:full_note).each do |column| %>
<%= f.label column %>
<%= f.text_area column %>
<% end %>
<% end %>