openAIREWidgetCallback(
<?php
        $docs = array();
        $ga = JRequest::getVar('ga');

        $docs['project'] = $this->depositionModel->getShortProjectInfoByGrant($ga)->acronym;
        $docs['openaireImageUrl'] = JRoute::_(JURI::base().'components/'.JRequest::getVar('option').'/images/logo_openaire_small.png');

        foreach ($this->claimModel->getDocumentsByProject($ga) as $doc) {
                $adoc = array();

                $adoc['title'] = $doc->title;
                $adoc['url'] = $doc->url;

                foreach($doc->authors as $author) {
                        $fullname = $author->name;

                        if ($author->surname != null && $author->surname != '' && $author->surname != 'UNKNOWN')
                                $fullname .= ' '.$author->surname;

                        $adoc['authors'][] = $fullname;
                }

                $docs["docs"][] = $adoc;
        }

        echo json_encode($docs);
?>
, <?php echo JRequest::getVar('hideOnEmpty', 'false')?>);