function perform()
{
// don't lose the db!
$db = $_REQUEST['db'];
if (isset($_POST['all'])) {
$question_format_id = $_POST['all'];
} else {
$question_format_id = $_POST['visible'];
}
$short_name = $_POST['library'];
$lib_f = new LibraryFinder($db);
$library = $lib_f->getLibraryByName($short_name);
$library_id = $library['library_id'];
$qff = new QuestionFormatFinder($db);
if (isset($_POST['add'])) {
$add = $qff->addBridgeItem($question_format_id, $library_id);
} elseif (isset($_POST['remove'])) {
$remove = $qff->removeBridgeItem($question_format_id, $library_id);
} elseif (isset($_POST['up'])) {
$question_format_id = $_POST['visible'];
$up = $qff->moveBridgeItemUp($question_format_id, $library_id);
} elseif (isset($_POST['down'])) {
$question_format_id = $_POST['visible'];
$down = $qff->moveBridgeItemDown($question_format_id, $library_id);
}
$loa = new LibraryAdminFormAction();
$result = $loa->perform();
$_REQUEST['library_id'] = $library['library_id'];
$_REQUEST['library'] = $library['short_name'];
$_REQUEST['full_name'] = $library['full_name'];
$_REQUEST['parent_table'] = 'question_formats';
$_REQUEST['locationList'] = $qff->findByLibraryID($library['library_id']);
return $result;
}
