<?php
public function onPrint($param)
    {
        try
        {
            TTransaction::open('farolerp');
            $object = Aluno::find($param['key']);
            if ($object)
            {
                $html = new AdiantiHTMLDocumentParser('app/resources/ficha-aluno.html', 'A4', 'portrait');
                $html->setMaster($object);
                $object->dt_atual = date('d/m/Y \À\S H:i:s');
                $html->process();
                $output = $html->getContents();
                $document = 'tmp/'.uniqid().'.pdf'; 
                $html = AdiantiHTMLDocumentParser::newFromString($output);
                $html->saveAsPDF($document);
                parent::openFile($document);
                new TMessage('info', _t('Document successfully generated'));
            }
            TTransaction::close();
        }
        catch (Exception $e)
        {
            throw new Exception($e->getMessage());
        }
    }
?>