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