public function getCurrentRow()
    {
        if (isset($this->_currentRow) && $this->_currentRow->isFilled()) {
            $this->_currentRow = null;
        }
        if (is_null($this->_currentRow)) {
            $this->_currentRow = Yii::createObject(array_merge(['class' => $this->rowClass], $this->baseRow));
            $this->_rows[] = $this->_currentRow;
        }

        return $this->_currentRow;
    }