PEIP_Iterating_Dispatcher.php

Go to the documentation of this file.

<?php

/*
 * This file is part of the PEIP package.
 * (c) 2010 Timo Michna <timomichna/yahoo.de>
 * 
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

class PEIP_Iterating_Dispatcher  
    implements PEIP_INF_Dispatcher {

    protected $listeners;

    
    public function __construct(ArrayIterator $listenerIterator = NULL){
        $this->listeners = $iterator ? $iterator : new ArrayIterator;
    }
    
    public function connect(PEIP_INF_Handler $listener){
    $this->listeners[] = $listener;
  }

    public function disconnect(PEIP_INF_Handler $listener){
    foreach ($this->listeners as $i => $callable){
      if ($listener === $callable){
        unset($this->listeners[$name][$i]);
      }
    }
  }
    

    public function hasListeners()
  {
    return (boolean) $this->listeners->count();
  }

    public function notify($subject){
        if($this->hasListeners()){
            if(!$this->listeners->valid()){
                $this->listeners->rewind(); 
            }
            $this->listeners->current()->handle($subject);
            $this->listeners->next();           
        }         
    }

  
  
    public function getListeners(){
    return $this->listeners;
  }
    
}

---