Subversion-Projekte lars-tiefland.php_share

<?PHP

/**

 * example that shows how to cancel an event

 *

 * @package    Event_Dispatcher

 * @subpackage Examples

 * @author     Stephan Schmidt <schst@php.net>

 */

/**

 * load Event_Dispatcher package

 */

require_once 'Event/Dispatcher.php';

/**

 * example sender

 */

class sender

{

    var $_dispatcher = null;

    function sender(&$dispatcher)

    {

        $this->_dispatcher = &$dispatcher;

    }

    function foo()

    {

        $this->_dispatcher->post($this, 'onFoo', 'Some Info...');

    }

}

/**

 * example observer

 */

function receiver1(&$notification)

{

    echo "receiver 1 received notification<br />\n";

    // the notification will be cancelled and no other observers

    // will be notified

    $notification->cancelNotification();

}

/**

 * example observer

 */

function receiver2(&$notification)

{

    echo "receiver 2 received notification<br />\n";

}

$dispatcher = &Event_Dispatcher::getInstance();

$sender = &new sender($dispatcher);

$dispatcher->addObserver('receiver1', 'onFoo');

$dispatcher->addObserver('receiver2', 'onFoo');

$sender->foo();

?>