classes/plugins.php

   1 <?php
   2 class Plugins {
   3         protected $link;
   4         protected $plugins;
   5         protected $listeners;
   6
   7         function __construct($link) {
   8                 $this->link = $link;
   9                 $this->listeners = array();
  10                 $this->load_plugins();
  11         }
  12
  13         function load_plugins() {
  14                 if (defined('_ENABLE_PLUGINS')) {
  15                         $plugins = explode(",", _ENABLE_PLUGINS);
  16
  17                         foreach ($plugins as $p) {
  18                                 $plugin_class = "plugin_$p";
  19                                 if (class_exists($plugin_class)) {
  20                                         $plugin = new $plugin_class($this->link, $this);
  21                                 }
  22                         }
  23                 }
  24         }
  25
  26         function add_listener($hook_name, $plugin) {
  27                 if (!is_array($this->listeners[$hook_name]))
  28                         $this->listeners[$hook_name] = array();
  29
  30                 array_push($this->listeners[$hook_name], $plugin);
  31         }
  32
  33         function hook($hook_name, &$params) {
  34                 if (is_array($this->listeners[$hook_name])) {
  35                         foreach ($this->listeners[$hook_name] as $p) {
  36                                 if (method_exists($p, $hook_name)) {
  37                                         $p->$hook_name($params);
  38                                 }
  39                         }
  40                 }
  41         }
  42
  43 }
  44 ?>