/**
* @covers Panadas\Event\Event::stop()
* @covers Panadas\Event\Event::isStopped()
* @covers Panadas\Event\Event::setStopped()
*/
public function testStop()
{
$event = new Event("foo", new Publisher());
$this->assertFalse($event->isStopped());
$event->stop();
$this->assertTrue($event->isStopped());
}
/**
* Dispatches an event.
*
* @param string $name The event name
* @param Event $event The event object
*
* @return Event
*/
public function dispatch($name, Event $event)
{
if (!$this->hasListeners($name)) {
return $event;
}
foreach ($this->getSortedListeners($name) as $listener) {
call_user_func_array($listener, [$event]);
if ($event->isStopped()) {
// Stop looping if a listener
// has stopped the event propagation.
break;
}
}
return $event;
}
/**
* Before exception is happening.
*
* @param Event $event Event object.
* @param Dispatcher $dispatcher Dispatcher object.
* @param PhalconException $exception Exception object.
*
* @throws \Phalcon\Exception
* @return bool
*/
public function beforeException($event, $dispatcher, $exception)
{
// Handle 404 exceptions.
if ($exception instanceof PhDispatchException) {
$dispatcher->forward(['module' => EngineApplication::SYSTEM_DEFAULT_MODULE, 'namespace' => ucfirst(EngineApplication::SYSTEM_DEFAULT_MODULE) . '\\Controller', 'controller' => 'Error', 'action' => 'show404']);
return false;
}
if (ENV == ENV_DEVELOPMENT) {
throw $exception;
} else {
EngineException::logException($exception);
}
// Handle other exceptions.
$dispatcher->forward(['module' => EngineApplication::SYSTEM_DEFAULT_MODULE, 'namespace' => ucfirst(EngineApplication::SYSTEM_DEFAULT_MODULE) . '\\Controller', 'controller' => 'Error', 'action' => 'show500']);
return $event->isStopped();
}
/**
* Trigger an event.
*
* @param EventInterface|string $event The event object or name.
* @param array $args The arguments to set in event.
*
* @return EventInterface The event after being passed through all listeners.
*
* @since 2.0
*/
public function triggerEvent($event, $args = array())
{
if (!$event instanceof EventInterface) {
if (isset($this->events[$event])) {
$event = $this->events[$event];
} else {
$event = new Event($event);
}
}
$arguments = array_merge($event->getArguments(), $args);
$event->setArguments($arguments);
if (isset($this->listeners[$event->getName()])) {
foreach ($this->listeners[$event->getName()] as $listener) {
if ($event->isStopped()) {
return $event;
}
if (is_callable($listener)) {
call_user_func($listener, $event);
} else {
call_user_func(array($listener, $event->getName()), $event);
}
}
}
return $event;
}
/**
* Notify listeners for a given event
*
* @param string|Event $event The Event to be dispatched (or event name)
* @param array $data Shortcut when using $event as a string. If an Event
* instance is provided, this param will be ignored.
*
* @return Event The event
*/
public function notify($event, array $data = array())
{
if (is_string($event)) {
$event = new Event($event, $data);
}
$name = strtolower($event->getName());
if (!isset($this->listeners[$name]) || !is_array($this->listeners[$name]) || !count($this->listeners[$name])) {
return $event;
}
foreach ($this->listeners[$name] as $callable) {
if (!$event->isStopped()) {
call_user_func($callable, $event);
$event->setProcessed(true);
}
}
return $event;
}
/**
* Dispatches a new event to all configured listeners
*
* @param string|\Cake\Event\Event $event the event key name or instance of Event
* @return \Cake\Event\Event
*/
public function dispatch($event)
{
if (is_string($event)) {
$event = new Event($event);
}
$listeners = $this->listeners($event->name());
if (empty($listeners)) {
return $event;
}
foreach ($listeners as $listener) {
if ($event->isStopped()) {
break;
}
$result = $this->_callListener($listener['callable'], $event);
if ($result === false) {
$event->stopPropagation();
}
if ($result !== null) {
$event->result = $result;
}
}
return $event;
}
