app/views/contexts/update_context_name.js.rjs
page['default_context_name_id'].value = @context.name
page['todo_context_name'].value = @context.name
# renew context auto complete array
page << "contextAutoCompleter.options.array = #{context_names_for_autocomplete}; contextAutoCompleter.changed = true"
status_message = t('contexts.update_status_message')
page.notify :notice, status_message, 5.0