Index: tabs.php
===================================================================
RCS file: /cvsroot/moodle/moodle/admin/roles/tabs.php,v
retrieving revision 1.19.2.3
diff -u -r1.19.2.3 tabs.php
--- tabs.php	5 Mar 2007 11:37:55 -0000	1.19.2.3
+++ tabs.php	7 May 2007 23:13:08 -0000
@@ -162,6 +162,25 @@
         $activetwo = array();
     }
 
+/// Here other core tabs should go (always calling tabs.php files)
+/// All the logic to decide what to show must be self-cointained in the tabs file
+/// ej.:
+/// include_once($CFG->dirroot . '/grades/tabs.php');
+
+/// Finally, we support adding some 'on-the-fly' tabs here
+/// All the logic to decide what to show must be self-cointained in the tabs file
+    if (isset($CFG->extratabs) && !empty($CFG->extratabs)) {
+        if ($extratabs = explode(',', $CFG->extratabs)) {
+            asort($extratabs);
+            foreach($extratabs as $extratab) {
+            /// Each extra tab mus be one $CFG->dirroot relative file
+                if (file_exists($CFG->dirroot . '/' . $extratab)) {
+                    include_once($CFG->dirroot . '/' . $extratab);
+                }
+            }
+        }
+    }
+
     if (!empty($secondrow)) {
         $tabs = array($toprow, $secondrow);
     } else {