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 ++++
 engine/start.php       |  5 ++++-
 mod/blog/blog_lib.php  | 39 ---------------------------------------
 4 files changed, 33 insertions(+), 43 deletions(-)

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 . "$mod/classes");
+						}
 					}
 				}
 			}
diff --git a/engine/start.php b/engine/start.php
index a84a19e0d..0bf652cb6 100644
--- a/engine/start.php
+++ b/engine/start.php
@@ -77,7 +77,6 @@ foreach ($required_files as $file) {
 set_error_handler('__elgg_php_error_handler');
 set_exception_handler('__elgg_php_exception_handler');
 
-
 /**
  * Load the system settings
  */
@@ -113,6 +112,10 @@ foreach($lib_files as $file) {
 	}
 }
 
+// prep core classes to be autoloadable
+spl_autoload_register('__elgg_autoload');
+elgg_register_classes(dirname(__FILE__).'/classes');
+
 // confirm that the installation completed successfully
 verify_installation();
 
diff --git a/mod/blog/blog_lib.php b/mod/blog/blog_lib.php
index 3152cccad..1895930aa 100644
--- a/mod/blog/blog_lib.php
+++ b/mod/blog/blog_lib.php
@@ -278,42 +278,3 @@ function blog_get_blog_months($user_guid = NULL, $container_guid = NULL) {
 
 	return get_data($q);
 }
-
-/**
- * Extended class to override the time_created
- */
-class ElggBlog extends ElggObject {
-	protected function initialise_attributes() {
-		parent::initialise_attributes();
-
-		// override the default file subtype.
-		$this->attributes['subtype'] = 'blog';
-	}
-
-	/**
-	 * @todo this won't work until we have date l10n working.
-	 * Rewrite the time created to be publish time.
-	 * This is a bit dirty, but required for proper sorting.
-	 */
-//	public function save() {
-//		if (parent::save()) {
-//			global $CONFIG;
-//
-//			// try to grab the publish date, but default to now.
-//			foreach (array('publish_date', 'time_created') as $field) {
-//				if (isset($this->$field) && $this->field) {
-//					$published = $this->field;
-//					break;
-//				}
-//			}
-//			if (!$published) {
-//				$published = time();
-//			}
-//
-//			$sql = "UPDATE {$CONFIG->dbprefix}entities SET time_created = '$published', time_updated = '$published' WHERE guid = '{$this->getGUID()}'";
-//			return update_data($sql);
-//		}
-//
-//		return FALSE;
-//	}
-}
\ No newline at end of file
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