Upload em diretório externo

<?php
/**
 * OfertaForm Registration
 * @author  <your name here>
 */
class OfertaForm extends TPage
{
    protected $form; // form
    protected $frame;

    use Adianti\Base\AdiantiStandardFormTrait; // Standard form methods

    /**
     * Class constructor
     * Creates the page and the registration form
     */
    function __construct()
    {
        parent::__construct();

        $this->setDatabase('identalsim');              // defines the database
        $this->setActiveRecord('Oferta');     // defines the active record

        // creates the form
        $this->form = new TQuickForm('form_Oferta');
        $this->form->class = 'tform'; // change CSS class
        $this->form = new BootstrapFormWrapper($this->form);
        $this->form->style = 'display: table;width:100%'; // change style

        // define the form title
        $this->form->setFormTitle('Oferta');



        // create the form fields
        // field custom idpessoa
        $idoferta = new TEntry('idoferta');
        $nomeoferta = new TEntry('nomeoferta');
        $datainicio = new TDate('datainicio');
        $datatermino = new TDate('datatermino');
        //$ordem = new TEntry('ordem');
        $idpessoaestabelecimento = new TDBCombo('idpessoaestabelecimento', 'identalsim', 'EstabelecimentoPessoaJuridica', 'idpessoa', 'nomefantasia');
        $enderecodaimagem = new TFile('enderecodaimagem');
        $detalhamentooferta = new TText('detalhamentooferta');
        $idtipooferta = new TDBCombo('idtipooferta', 'identalsim', 'TipoOferta', 'idtipooferta', 'tipooferta');
        $idcategoriaoferta = new TDBCombo('idcategoriaoferta', 'identalsim', 'CategoriaOferta', 'idcategoriaoferta', 'categoriaoferta');
        //$acompanhavel = new TEntry('acompanhavel');

        // complete upload action
        $enderecodaimagem->setCompleteAction(new TAction([$this, 'onComplete']));


        // add the fields
        $this->form->setFieldsByRow(2);
        $this->form->addQuickField('ID', $idoferta,  100 );
        $this->form->addQuickField('Nome', $nomeoferta,  300 , new TRequiredValidator);
        $this->form->addQuickField('Banner', $enderecodaimagem,  300 , new TRequiredValidator);
        $this->form->addQuickField('Data inicial', $datainicio,  100 , new TRequiredValidator);
        $this->form->addQuickField('Data final', $datatermino,  100 , new TRequiredValidator);
        //$this->form->addQuickField('Ordem', $ordem,  100 );
        $this->form->addQuickField('Categoria', $idcategoriaoferta,  300 , new TRequiredValidator);
        $this->form->addQuickField('Oferta tipo', $idtipooferta,  300 , new TRequiredValidator);
        $this->form->addQuickField('Estabelecimento', $idpessoaestabelecimento,  300 , new TRequiredValidator);
        $this->form->addQuickField('Descrição', $detalhamentooferta,  300 , new TRequiredValidator);
        //$this->form->addQuickField('Acompanhavel', $acompanhavel,  200 );


        $detalhamentooferta->setSize(300, 100);

        $this->frame = new TElement('div');
        $this->frame->id = 'photo_frame';
        $this->frame->style = 'width:400px;height:auto;min-height:200px;border:1px solid gray;padding:4px;';
        $row = $this->form->addRow();
        $row->addCell('');
        $row->addCell($this->frame);

        $enderecodaimagem->setSize(200, 40);

        if (!empty($idoferta))
        {
            $idoferta->setEditable(FALSE);
        }

        /** samples
         $this->form->addQuickFields('Date', array($date1, new TLabel('to'), $date2)); // side by side fields
         $fieldX->addValidation( 'Field X', new TRequiredValidator ); // add validation
         $fieldX->setSize( 100, 40 ); // set size
         **/

        // create the form actions
        $this->form->addQuickAction(_t('Save'), new TAction(array($this, 'onSave')), 'fa:floppy-o');
        $this->form->addQuickAction(_t('New'),  new TAction(array($this, 'onEdit')), 'bs:plus-sign green');

        // vertical box container
        $container = new TVBox;
        $container->style = 'width: 90%';
        // $container->add(new TXMLBreadCrumb('menu.xml', __CLASS__));
        $container->add(TPanelGroup::pack('Nova Oferta', $this->form));

        parent::add($container);
    }

    /**
     * On complete upload
     */
    public static function onComplete($param)
    {
        new TMessage('info', 'Imagem carregada: '.$param['enderecodaimagem']);

        // refresh photo_frame
        TScript::create("$('#photo_frame').html('')");
        TScript::create("$('#photo_frame').append(\"<img style='width:100%' src='tmp/{$param['enderecodaimagem']}'>\");");
    }

	/**
     * Overloaded method onSave()
     * Executed whenever the user clicks at the save button
     */
    public function onSave()
    {
        // first, use the default onSave()
        $object = parent::onSave();

        // if the object has been saved
        if ($object instanceof Oferta)
        {
            $source_file   = 'tmp/'.$object->enderecodaimagem;
            $target_file   = 'images/' . md5(time()) . $object->enderecodaimagem;
            $finfo         = new finfo(FILEINFO_MIME_TYPE);

            // if the user uploaded a source file
            if (file_exists($source_file) AND ($finfo->file($source_file) == 'image/png' OR $finfo->file($source_file) == 'image/jpeg'))
            {
                // move to the target directory
                rename($source_file, $target_file);
                try
                {
                    TTransaction::open($this->database);
                    // update the photo_path
                    $object->enderecodaimagem = $target_file;
                    $object->store();

                    TTransaction::close();
                }
                catch (Exception $e) // in case of exception
                {
                    new TMessage('error', $e->getMessage());
                    TTransaction::rollback();
                }
            }
            $image = new TImage($object->photo_path);
            $image->style = 'width: 100%';
            $this->frame->add( $image );
        }
    }

}