Hooks for: local navigation

EVENTS.txt

@@ -82,3 +82,9 @@ StartNoticeSave: before inserting a notice (good place for content filters)
 EndNoticeSave: after inserting a notice and related code
 - $notice: notice that was saved (with ID and URI)
 
+StartShowLocalNavBlock: Showing the local nav menu
+- $action: the current action
+
+EndShowLocalNavBlock: At the end of the local nav menu
+- $action: the current action
+

lib/action.php

@@ -474,7 +474,10 @@ class Action extends HTMLOutputter // lawsuit
     function showCore()
     {
         $this->elementStart('div', array('id' => 'core'));
-        $this->showLocalNavBlock();
+        if (Event::handle('StartShowLocalNavBlock', array($this))) {
+            $this->showLocalNavBlock();
+            Event::handle('EndShowLocalNavBlock', array($this));
+        }
         if (Event::handle('StartShowContentBlock', array($this))) {
             $this->showContentBlock();
             Event::handle('EndShowContentBlock', array($this));