/**
* method onEdit()
* Executed whenever the user clicks at the edit button da datagrid
*/
function onEdit($param)
{
try {
if (isset($param['key'])) {
// get the parameter $key
$key = $param['key'];
// open a transaction with database 'permission'
TTransaction::open('permission');
// instantiates object System_group
$object = new SystemGroup($key);
$object->programs = $object->getSystemPrograms();
// fill the form with the active record data
$this->form->setData($object);
// close the transaction
TTransaction::close();
} else {
$this->form->clear();
}
} catch (Exception $e) {
// in case of exception
// shows the exception error message
new TMessage('error', '<b>Error</b> ' . $e->getMessage());
// undo all pending operations
TTransaction::rollback();
}
}
