shop.balmet.com

event.php (2083B)

---

 <?php
 /**
  * @package		OpenCart
  * @author		Daniel Kerr
  * @copyright	Copyright (c) 2005 - 2017, OpenCart, Ltd. (https://www.opencart.com/)
  * @license		https://opensource.org/licenses/GPL-3.0
  * @link		https://www.opencart.com
 */
 
 /**
 * Event class
 *
 * Event System Userguide
 * 
 * https://github.com/opencart/opencart/wiki/Events-(script-notifications)-2.2.x.x
 */
 class Event {
 	protected $registry;
 	protected $data = array();
 	
 	/**
 	 * Constructor
 	 *
 	 * @param	object	$route
  	*/
 	public function __construct($registry) {
 		$this->registry = $registry;
 	}
 	
 	/**
 	 * 
 	 *
 	 * @param	string	$trigger
 	 * @param	object	$action
 	 * @param	int		$priority
  	*/	
 	public function register($trigger, Action $action, $priority = 0) {
 		$this->data[] = array(
 			'trigger'  => $trigger,
 			'action'   => $action,
 			'priority' => $priority
 		);
 		
 		$sort_order = array();
 
 		foreach ($this->data as $key => $value) {
 			$sort_order[$key] = $value['priority'];
 		}
 
 		array_multisort($sort_order, SORT_ASC, $this->data);	
 	}
 	
 	/**
 	 * 
 	 *
 	 * @param	string	$event
 	 * @param	array	$args
  	*/		
 	public function trigger($event, array $args = array()) {
 		foreach ($this->data as $value) {
 			if (preg_match('/^' . str_replace(array('\*', '\?'), array('.*', '.'), preg_quote($value['trigger'], '/')) . '/', $event)) {
 				$result = $value['action']->execute($this->registry, $args);
 
 				if (!is_null($result) && !($result instanceof Exception)) {
 					return $result;
 				}
 			}
 		}
 	}
 	
 	/**
 	 * 
 	 *
 	 * @param	string	$trigger
 	 * @param	string	$route
  	*/	
 	public function unregister($trigger, $route) {
 		foreach ($this->data as $key => $value) {
 			if ($trigger == $value['trigger'] && $value['action']->getId() == $route) {
 				unset($this->data[$key]);
 			}
 		}			
 	}
 	
 	/**
 	 * 
 	 *
 	 * @param	string	$trigger
  	*/		
 	public function clear($trigger) {
 		foreach ($this->data as $key => $value) {
 			if ($trigger == $value['trigger']) {
 				unset($this->data[$key]);
 			}
 		}
 	}	
 }