MetaModels\DcGeneral\Events\Table\InputScreenSortGroup\Subscriber::encodeAttrValue PHP Method

    public function encodeAttrValue(EncodePropertyValueFromWidgetEvent $event)
    {
        if ($event->getEnvironment()->getDataDefinition()->getName() !== 'tl_metamodel_dca_sortgroup' || $event->getProperty() !== 'rendergroupattr' && $event->getProperty() !== 'rendersortattr') {
            return;
        }
        $metaModel = self::getMetaModel($event->getEnvironment());
        $value = $event->getValue();
        if (!($metaModel && $value)) {
            return;
        }
        $value = substr($value, strlen($metaModel->getTableName() . '_'));
        $attribute = $metaModel->getAttribute($value);
        if ($attribute) {
            $event->setValue($attribute->get('id'));
        }
    }