/**
* Update citation with POST request data.
* @param $args array
* @param $request PKPRequest
* @return Citation the saved Citation object, null on error
*/
function &_saveCitation(&$args, &$request)
{
assert($request->isPost());
// Identify the citation to be updated
$citation =& $this->_getCitationFromArgs($args, true);
// Form initialization
import('controllers.grid.citation.form.CitationForm');
$citationForm = new CitationForm($citation);
$citationForm->readInputData();
// Form validation
if ($citationForm->validate()) {
$citationForm->execute();
return $citationForm->getCitation();
} else {
$nullVar = null;
return $nullVar;
}
}
