lychee/php/modules/Plugins.php
2015-02-01 22:08:37 +01:00

95 lines
1.5 KiB
PHP

<?php
###
# @name Plugins Module
# @copyright 2015 by Tobias Reich
###
if (!defined('LYCHEE')) exit('Error: Direct access is not allowed!');
class Plugins implements \SplSubject {
private $files = array();
private $observers = array();
public $action = null;
public $args = null;
public function __construct($files, $database, $settings) {
if (!isset($files)) return false;
# Init vars
$plugins = $this;
$this->files = $files;
# Load plugins
foreach ($this->files as $file) {
if ($file==='') continue;
$file = LYCHEE_PLUGINS . $file;
if (file_exists($file)===false) {
Log::warning($database, __METHOD__, __LINE__, 'Could not include plugin. File does not exist (' . $file . ').');
continue;
}
include($file);
}
return true;
}
public function attach(\SplObserver $observer) {
if (!isset($observer)) return false;
# Add observer
$this->observers[] = $observer;
return true;
}
public function detach(\SplObserver $observer) {
if (!isset($observer)) return false;
# Remove observer
$key = array_search($observer, $this->observers, true);
if ($key) unset($this->observers[$key]);
return true;
}
public function notify() {
# Notify each observer
foreach ($this->observers as $value) $value->update($this);
return true;
}
public function activate($action, $args) {
if (!isset($action, $args)) return false;
# Save vars
$this->action = $action;
$this->args = $args;
# Notify observers
$this->notify();
return true;
}
}
?>