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<?php |
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namespace Onoi\EventDispatcher\Listener; |
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use Onoi\EventDispatcher\EventListener; |
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use Onoi\EventDispatcher\EventListenerCollection; |
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use RuntimeException; |
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use InvalidArgumentException; |
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/** |
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* @license GNU GPL v2+ |
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* @since 1.0 |
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* |
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* @author mwjames |
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*/ |
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class GenericEventListenerCollection implements EventListenerCollection { |
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/** |
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* @var array |
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*/ |
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private $collection = array(); |
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/** |
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* @since 1.0 |
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* |
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* @param string $event |
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* @param EventListener $listener |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public function registerListener( $event, EventListener $listener ) { |
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if ( !is_string( $event ) ) { |
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throw new InvalidArgumentException( "Event is not a string" ); |
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} |
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$this->addToCollection( $event, $listener ); |
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} |
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/** |
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* @since 1.0 |
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* |
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* @param string $event |
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* @param Closure|callable $callback |
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* |
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* @throws InvalidArgumentException |
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* @throws RuntimeException |
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*/ |
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public function registerCallback( $event, $callback ) { |
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if ( !is_string( $event ) ) { |
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throw new InvalidArgumentException( "Event is not a string" ); |
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} |
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if ( !is_callable( $callback ) ) { |
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throw new RuntimeException( "Invoked object is not a valid callback or Closure" ); |
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} |
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$this->addToCollection( $event, new GenericCallbackEventListener( $callback ) ); |
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} |
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/** |
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* @since 1.0 |
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* |
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* {@inheritDoc} |
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*/ |
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public function getCollection() { |
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return $this->collection; |
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} |
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private function addToCollection( $event, EventListener $listener ) { |
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$event = strtolower( $event ); |
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if ( !isset( $this->collection[$event] ) ) { |
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$this->collection[$event] = array(); |
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} |
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$this->collection[$event][] = $listener; |
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} |
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} |
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onoi /
event-dispatcher
