Initial Commit

database/php/pear/examples/notification-class.php

@@ -0,0 +1,76 @@
+<?PHP
+/**
+ * example that shows how to change the class used for notifications
+ *
+ * You may change the notification class per dispatcher or globally for all
+ * newly created dispatchers.
+ *
+ * @package    Event_Dispatcher
+ * @subpackage Examples
+ * @author     Stephan Schmidt <schst@php.net>
+ */
+
+/**
+ * load Event_Dispatcher package
+ */
+require_once 'Event/Dispatcher.php';
+
+/**
+ * example sender
+ *
+ * @package    Event_Dispatcher
+ * @subpackage Examples
+ * @author     Stephan Schmidt <schst@php.net>
+ */
+class sender
+{
+    var $_dispatcher = null;
+    
+    function sender(&$dispatcher)
+    {
+        $this->_dispatcher = &$dispatcher;
+    }
+    
+    function foo()
+    {
+        $this->_dispatcher->post($this, 'onFoo', 'Some Info...');
+    }
+}
+
+function receiver(&$notification)
+{
+    echo 'received notification: ';
+    echo get_class($notification);
+    echo '<br />';    
+}
+
+/**
+ * custom notification class
+ *
+ * @package    Event_Dispatcher
+ * @subpackage Examples
+ * @author     Stephan Schmidt <schst@php.net>
+ */
+class MyNotification extends Event_Notification 
+{
+}
+
+$dispatcher = &Event_Dispatcher::getInstance();
+$dispatcher->setNotificationClass('MyNotification');
+$sender = &new sender($dispatcher);
+
+$dispatcher->addObserver('receiver');
+
+echo 'sender->foo()<br />';
+$sender->foo();
+
+Event_Dispatcher::setNotificationClass('MyNotification');
+
+$dispatcher2 = &Event_Dispatcher::getInstance();
+$sender2 = &new sender($dispatcher2);
+
+$dispatcher2->addObserver('receiver');
+
+echo '<br />sender2->foo()<br />';
+$sender2->foo();
+?>