public function saveTranslations()
    {
        $res = true;
        foreach ($this->_models as $model) {
            $dirty = $model->getDirtyAttributes();
            if (empty($dirty)) {
                continue;
            }
            /** @var \yii\db\ActiveQuery $relation */
            $relation = $this->owner->getRelation($this->relation);
            $model->{key($relation->link)} = $this->owner->getPrimaryKey();

            //Is translation valid?
            if (!$this->isTranslationActive($model)) {
                $this->deleteTranslation($model);
                continue;
            }

            if (!$model->save()) {
                $res = false;
            }
        }
        return $res;
    }