Prado\Web\UI\JuiControls\TJuiSortable::getPostBackOptions PHP Метод

    protected function getPostBackOptions()
    {
        $options = $this->getOptions()->toArray();
        // overload some events to add information about the items order
        foreach ($options as $event => $implementation) {
            if ($event == 'sort' || $event == 'stop') {
                $options[$event] = new TJavaScriptLiteral('function( event, ui ) { ui.index = jQuery(this).sortable(\'toArray\'); Prado.JuiCallback(' . TJavaScript::encode($this->getUniqueID()) . ', \'' . $event . '\', event, ui, this); }');
            }
        }
        return $options;
    }