From 30df49bbb363d47b4a3961bb3ec07cdecea7619b Mon Sep 17 00:00:00 2001
From: ewinslow <ewinslow@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Thu, 14 Oct 2010 07:52:31 +0000
Subject: Fixes #2547: Plugins can now participate in autoloading classes.

git-svn-id: http://code.elgg.org/elgg/trunk@7074 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/elgglib.php | 28 +++++++++++++++++++++++++---
 engine/lib/plugins.php |  4 ++++
 2 files changed, 29 insertions(+), 3 deletions(-)

(limited to 'engine/lib')

diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index 4376ca53f..5b224e0be 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -2200,8 +2200,30 @@ function js_page_handler($page) {
 	}
 }
 
-function __autoload($class) {
-	require_once dirname(dirname(__FILE__))."/classes/$class.php";
+function __elgg_autoload($class) {
+	global $CONFIG;
+
+	if (!include($CONFIG->classes[$class])) {
+		throw new Exception("Failed to autoload $class");
+	}	
+}
+
+function elgg_register_classes($dir) {
+	$classes = elgg_get_file_list($dir, array(), array(), array('.php'));
+	
+	foreach ($classes as $class) {
+		elgg_register_class(basename($class, '.php'), $class);
+	}
+}
+
+function elgg_register_class($class, $location) {
+	global $CONFIG;
+
+	if (!isset($CONFIG->classes)) {
+		$CONFIG->classes = array();
+	}
+	
+	$CONFIG->classes[$class] = $location;
 }
 
 /**
@@ -2233,7 +2255,7 @@ function __elgg_shutdown_hook() {
  */
 function elgg_init() {
 	global $CONFIG;
-
+	
 	register_action('comments/add');
 	register_action('comments/delete');
 	register_action('likes/add');
diff --git a/engine/lib/plugins.php b/engine/lib/plugins.php
index a36f2bf6d..52f498bf7 100644
--- a/engine/lib/plugins.php
+++ b/engine/lib/plugins.php
@@ -191,6 +191,10 @@ function load_plugins() {
 						if (is_dir($CONFIG->pluginspath . $mod . "/languages")) {
 							register_translations($CONFIG->pluginspath . $mod . "/languages/");
 						}
+						
+						if (is_dir($CONFIG->pluginspath . "$mod/classes")) {
+							elgg_register_classes($CONFIG->pluginspath . "$mod/classes");
+						}
 					}
 				}
 			}
-- 
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