/**
* Gets the image of this node
* @param string $locale Code of the locale
* @return string|null Path to the image if set, null otherwise
*/
public function getImage($locale)
{
$image = parent::getImage($locale);
if ($image) {
return $image;
}
$node = $this->getNode();
if ($node) {
return $node->getImage($locale);
}
}