/**
* Return image rights.
*
* @return mixed array with keys:
* 'copyright' Copyright (e.g. 'CC BY 4.0') (optional)
* 'description Human readable description (array)
* 'link' Link to copyright info
* or false if the record contains no images
* @access protected
*/
public function getImageRights()
{
if (!count($this->getAllImages())) {
return false;
}
$rights = array();
if ($type = $this->getAccessRestrictionsType()) {
$rights['copyright'] = $type['copyright'];
if (isset($type['link'])) {
$rights['link'] = $type['link'];
}
}
$desc = $this->getAccessRestrictions();
if ($desc && count($desc)) {
$description = array();
foreach ($desc as $p) {
$description[] = (string) $p;
}
$rights['description'] = $description;
}
return isset($rights['copyright']) || isset($rights['description']) ? $rights : parent::getImageRights();
}
