/**
  * Draw task option controls.
  * @param FORM_RENDERER $renderer
  * @access private
  */
 protected function _draw_options($renderer)
 {
     if (!$this->_object->info->exists()) {
         $warning_message = 'Since there is no version in the database, the migrator for <span class="field">' . $this->_object->info->database_version . '</span> will be used and "Ignore Version in Database" is required.';
         $renderer->draw_text_row($this->context->resolve_icon_as_html('{icons}indicators/warning', Thirty_two_px, 'Warning'), $warning_message, 'caution');
     }
     parent::_draw_options($renderer);
 }
 /**
  * Add boolean fields to the check boxes. 
  * @param FORM_LIST_PROPERTIES $props
  * @access private
  */
 protected function _add_boolean_options($props)
 {
     parent::_add_boolean_options($props);
     $props->add_item('preview', 1);
 }