From 9e4eb676e4f30b6c09c0b43e6ddc5fd151084d26 Mon Sep 17 00:00:00 2001
From: David Mudrak <david@moodle.com>
Date: Wed, 2 Nov 2011 22:25:32 +0100
Subject: [PATCH] MDL-29483 The list of gradable areas is now obtained from the
 module

At the moment, only activity modules are supported.
---
 grade/grading/lib.php  | 25 ++++++++++++++++++-------
 mod/assignment/lib.php |  9 +++++++++
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/grade/grading/lib.php b/grade/grading/lib.php
index 50f5af068f3..8d29bb3928a 100644
--- a/grade/grading/lib.php
+++ b/grade/grading/lib.php
@@ -260,14 +260,25 @@ class grading_manager {
 
         $this->ensure_isset(array('context', 'component'));
 
-        // example: if the given context+component lead to mod_assignment, this method
-        // will do something like
-        // require_once($CFG->dirroot.'/mod/assignment/lib.php');
-        // return assignment_gradable_area_list();
+        if ($this->get_context()->contextlevel == CONTEXT_SYSTEM) {
+            if ($this->get_component() !== 'core_grading') {
+                throw new coding_exception('Unsupported component at the system context');
+            } else {
+                return array();
+            }
 
-        // todo - what to return for bank areas in the system context
-        // todo - hardcoded list for now
-        return array('submission' => 'Submissions');
+        } else if ($this->get_context()->contextlevel >= CONTEXT_COURSE) {
+            list($context, $course, $cm) = get_context_info_array($this->get_context()->id);
+
+            if (empty($cm->modname)) {
+                throw new coding_exception('Unsupported area location');
+            } else {
+                return plugin_callback('mod', $cm->modname, 'grading', 'areas_list', null, array());
+            }
+
+        } else {
+            throw new coding_exception('Unsupported gradable area context level');
+        }
     }
 
     /**
diff --git a/mod/assignment/lib.php b/mod/assignment/lib.php
index 7288f4bd4c0..e89705c7920 100644
--- a/mod/assignment/lib.php
+++ b/mod/assignment/lib.php
@@ -3892,3 +3892,12 @@ function assignment_page_type_list($pagetype, $parentcontext, $currentcontext) {
     );
     return $module_pagetype;
 }
+
+/**
+ * Lists all gradable areas for the advanced grading methods gramework
+ *
+ * @return array
+ */
+function assignment_grading_areas_list() {
+    return array('submission' => get_string('submissions', 'mod_assignment'));
+}