Removes a listener from the active listeners.
| public detach ( callback | CakeEventListener $callable, string $eventKey = null ) : void | ||
| $callable | callback | CakeEventListener | any valid PHP callback type or an instance of CakeEventListener |
| $eventKey | string | The event unique identifier name with which the callback has been associated |
| Результат | void | |
/**
* Remove a listener from Crud.
*
* This will also detach it from the EventManager if it's attached.
*
* @param string $name
* @return boolean
*/
public function removeListener($name)
{
$listeners = $this->config('listeners');
if (!array_key_exists($name, $listeners)) {
return false;
}
if (isset($this->_listenerInstances[$name])) {
$this->_eventManager->detach($this->_listenerInstances[$name]);
unset($this->_listenerInstances[$name]);
}
unset($listeners[$name]);
$this->settings['listeners'] = $listeners;
}
/**
* Load a single event class attached to Crud
*
* @param string $name
* @return void
*/
protected function _loadListener($name)
{
$subject = $this->_getSubject();
$config = $this->config(sprintf('listenerClassMap.%s', $name));
list($plugin, $class) = pluginSplit($config, true);
App::uses($class, $plugin . 'Controller/Event');
// Make sure to cleanup duplicate events
if (isset($this->_listeners[$name])) {
$this->_eventManager->detach($this->_listeners[$name]);
unset($this->_listeners[$name]);
}
$this->_listeners[$name] = new $class($subject);
$this->_eventManager->attach($this->_listeners[$name]);
}
/**
* Removes a listener from the active listeners.
* @see CakeEventManager::detach()
* @return void
*/
public function detach($callable, $eventKey = null)
{
if (is_object($callable)) {
$key = get_class($callable);
unset($this->_listenersMap[$key]);
}
parent::detach($callable, $eventKey);
}
/**
* Tests subscribing a listener object and firing the events it subscribed to
*
* @return void
*/
public function testDetachSubscriber()
{
$manager = new CakeEventManager();
$listener = $this->getMock('CustomTestEventListerner', array('secondListenerFunction'));
$manager->attach($listener);
$expected = array(array('callable' => array($listener, 'secondListenerFunction'), 'passParams' => true));
$this->assertEquals($expected, $manager->listeners('another.event'));
$expected = array(array('callable' => array($listener, 'listenerFunction'), 'passParams' => false));
$this->assertEquals($expected, $manager->listeners('fake.event'));
$manager->detach($listener);
$this->assertEquals(array(), $manager->listeners('fake.event'));
$this->assertEquals(array(), $manager->listeners('another.event'));
}
