/**
  * Returns a Json encode string for the received widget
  *
  * @param dcWidgetFormActivator $widget
  * @return string
  */
 public static function encodeWidget(dcWidgetFormActivator $widget)
 {
     return json_encode(array('id' => $widget->generateId($widget->myname), 'observed_id' => $widget->getOption('observed_id'), 'observed_boolean_ids' => $widget->getOption('observed_boolean_ids'), 'update_id' => "dc_widget_form_activator_update_" . $widget->generateId($widget->myname), 'evaluate_method' => $widget->getOption('evaluate_method'), 'evaluate_method_extra_params' => $widget->getOption('evaluate_method_extra_params'), 'event' => $widget->getOption('event'), 'callback' => $widget->getOption('callback'), 'render_after_method' => $widget->getOption('render_after_method'), 'loading_image' => '<img src="' . image_path('/dcReloadedFormExtraPlugin/images/ajax-loader.gif') . '" />'));
 }