/**
  * Update a contributor
  * @param $args array
  * @param $request PKPRequest
  * @return string Serialized JSON object
  */
 function updateContributor($args, &$request)
 {
     // -> contributorId must be present and valid
     // -> htmlId must be present and valid
     $contributorId = isset($args['rowId']) ? $args['rowId'] : null;
     import('controllers.grid.settings.contributor.form.ContributorForm');
     $contributorForm = new ContributorForm($contributorId);
     $contributorForm->readInputData();
     if ($contributorForm->validate()) {
         $contributorForm->execute($args, $request);
         // prepare the grid row data
         $row =& $this->getRowInstance();
         $row->setGridId($this->getId());
         $row->setId($contributorForm->contributorId);
         $rowData = array('institution' => $contributorForm->getData('institution'), 'url' => $contributorForm->getData('url'));
         $row->setData($rowData);
         $row->initialize($request);
         $json = new JSON('true', $this->_renderRowInternally($request, $row));
     } else {
         $json = new JSON('false');
     }
     return $json->getString();
 }
 /**
  * Update a contributor
  * @param $args array
  * @param $request PKPRequest
  * @return JSONMessage JSON object
  */
 function updateContributor($args, $request)
 {
     // -> contributorId must be present and valid
     // -> htmlId must be present and valid
     $contributorId = isset($args['rowId']) ? $args['rowId'] : null;
     import('lib.pkp.controllers.grid.settings.contributor.form.ContributorForm');
     $contributorForm = new ContributorForm($contributorId);
     $contributorForm->readInputData();
     if ($contributorForm->validate()) {
         $contributorForm->execute($request);
         // prepare the grid row data
         $row = $this->getRowInstance();
         $row->setGridId($this->getId());
         $row->setId($contributorForm->contributorId);
         $rowData = array('institution' => $contributorForm->getData('institution'), 'url' => $contributorForm->getData('url'));
         $row->setData($rowData);
         $row->initialize($request);
         return DAO::getDataChangedEvent();
     } else {
         return new JSONMessage(false);
     }
 }