<?php

namespace Webfan\Homepagesystem\EventFlow;

use webfan\hps\Event;

class State extends \frdl\Flow\EventEmitter
{
    public function once($event, $callback, $obj = null)
    {
        $THAT =$this;
                 $obj = $obj;
                 $callback= $callback;
          $listener = (function() use($event, &$callback, &$THAT, &$obj, &$listener){
                       $THAT->removeEventListener($event, $listener);
                          call_user_func_array(($obj === null)  ? $callback : array($obj, $callback), func_get_args());
                 });
                 $this->on($event, $listener);

        return $this;
    }

    public function removeEventListener($event, $listener)
    {
        if (!isset($this->events[$event])) return $this;

        $indexOf = 0;
        foreach ($this->Iterator('Array', $this->events[$event]) as $EventListener) {
          // if($EventListener === $listener)    {
           if(spl_object_id((object)$EventListener) === spl_object_id((object)$listener))    {
         array_splice($this->events[$event], $indexOf, 1);
         $indexOf--;

           }
         $indexOf++;
        }
        return $this;
    }

    public function trigger($eventName, $data = [], Event &$event = null)
    {
        if (!isset($this->events[$eventName])) return $this;


        $indexOf=0;
        foreach ($this->Iterator('Array', $this->events[$eventName]) as $callback) {
              $payload = array();

              $target = &$this;
              $evData = &$data;
                   array_push($payload, $eventName);
                   array_push($payload, $target);
             array_push($payload, $evData);

        if(null===$event){
        if(!is_object($data) || true !== $data instanceof Event){
          $event = new Event($eventName);
        }elseif(true === $data instanceof Event){
           $event = &$data;
        }
        }


        if(!is_object($data) || true !== $data instanceof Event){
             $payload[] = &$event;
        }

             if(!is_callable($callback)){
            trigger_error('Cannot trigger Event '.$eventName.' on Listener #'.$indexOf, E_USER_WARNING);
            continue;
        }

          if(false === call_user_func_array($callback, $payload))break;


        if($event->isDefaultPrevented()){
            $event->setResult(null);
            break;
        }


        if($event->isPropagationStopped()){
            break;
        }


          $indexOf++;
        }
        return $this;
    }

    function __destruct()
    {
    }
}
__halt_compiler();----SIGNATURE:----iol/bwZLfmk9GDE8FDM80NTi4GlkeVTYt2RHnVDhi4tv32tOikTzOJM0wVBSaOrqS3HrYgNFhD9jpkzu48Z7Kpw4U5s9EK5yL8maNCn/Jsg+wPXzpa7sIYK/h6bcK28qlzulecPM/XKebWyh5ZmRgQPZYjYZvWu4MHzGH3f67FeAaQDAJyNKdDqh3ZrB2iZg3NuxEh8tKGyVHgunR1cilskjz5tiLwMunjOblmeFlByL+T/cT6z1mVje9nUCvi5RwZZKActW57I13olQyDOcBWjnOQ6JJ/uSl+L7dYCoPkobiOr22GX9CM0bleP7qW3URVdPJFjB+2F+r1MsUI0QtuA5o7RYNEhgzPF+uD3MkDNu5vBRXgyme+yDD/moyuSfT2rkUy+PWLsvwmJP8YvDWljIWT5vth5Wu2d0ScNxAu5B396SZzOk6Oy08FSKC2zum20pvQi/+jXCMc6+6x8Q1F/VjgHvHrV0yoLvIv03kXgGmtMBUjdoco+N3ryPMD/HU48imjgWCqsYKiV2+gFPcTPEHZ9x8UghFpUZ5VzSTQO3RYiZR7658ILsK62hwlZYOWdssX8FTHMMDYb0TEHs8hOugWBKD+rsXZf3ACrBvWQIlofcVyN7YeKv7+9qqBhbMjP/0KYKN2un7iJ+51xMlTI+UuGmSvJTgZ40YoYzWRA=----ATTACHMENT:----MzMxMjYxNTY4MzYxMjc3MyA5NTQ3MTA0ODk2NTA5MTEyIDUwOTYyMjk0Njk3MTkyMTQ=