public function getValue()
    {
        $value = parent::getValue();
        
        if ($value) {
            $image = Yii::$app->storage->getImage($value);
            /* @var $image \luya\admin\image\Item */
            if ($image) {
                if ($this->filterName()) {
                    return $image->applyFilter($this->filterName())->sourceAbsolute;
                }
                return $image->source;
            }
        }
        
        return false;
    }