/**
* Fetch a file that has been uploaded.
*
* @param $args array
* @param $request Request
* @return string
*/
function fetchFile($args, $request)
{
// Get the setting name.
$settingName = $args['settingName'];
// Try to fetch the file.
$tabForm = $this->getTabForm();
$tabForm->initData($request);
$renderedElement = $tabForm->renderFileView($settingName, $request);
$json = new JSONMessage();
if ($renderedElement == false) {
$json->setAdditionalAttributes(array('noData' => $settingName));
} else {
$json->setElementId($settingName);
$json->setContent($renderedElement);
}
return $json->getString();
}
