From 2138c3b3392c7823b32c434e2a829aa73a182f23 Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@status.net>
Date: Tue, 5 Apr 2011 18:07:10 -0400
Subject: [PATCH] a hook for showing the default local nav

---
 EVENTS.txt              |  8 ++++++++
 lib/defaultlocalnav.php | 33 +++++++++++++++++++--------------
 2 files changed, 27 insertions(+), 14 deletions(-)

diff --git a/EVENTS.txt b/EVENTS.txt
index 1494a9c890..b328785e7b 100644
--- a/EVENTS.txt
+++ b/EVENTS.txt
@@ -1139,3 +1139,11 @@ StartNoticeWhoGets: Called at start of inbox delivery prep; plugins can schedule
 EndNoticeWhoGets: Called at end of inbox delivery prep; plugins can filter out profiles from receiving inbox delivery here.  Be aware that output can be cached or used several times, so should remain idempotent.
 - $notice Notice
 - &$ni: in/out array mapping profile IDs to constants: NOTICE_INBOX_SOURCE_SUB etc
+
+StartDefaultLocalNav: When showing the default local nav
+- $menu: the menu
+- $user: current user
+
+EndDefaultLocalNav: When showing the default local nav
+- $menu: the menu
+- $user: current user
diff --git a/lib/defaultlocalnav.php b/lib/defaultlocalnav.php
index a61ebbb585..1201ae7468 100644
--- a/lib/defaultlocalnav.php
+++ b/lib/defaultlocalnav.php
@@ -48,25 +48,30 @@ class DefaultLocalNav extends Menu
 {
     function show()
     {
-        $this->action->elementStart('ul', array('id' => 'nav_local_default'));
-
         $user = common_current_user();
 
-        if (!empty($user)) {
-            $pn = new PersonalGroupNav($this->action);
-            // TRANS: Menu item in default local navigation panel.
-            $this->submenu(_m('MENU','Home'), $pn);
-        }
+        $this->action->elementStart('ul', array('id' => 'nav_local_default'));
 
-        $bn = new PublicGroupNav($this->action);
-        // TRANS: Menu item in default local navigation panel.
-        $this->submenu(_m('MENU','Public'), $bn);
+        if (Event::handle('StartDefaultLocalNav', array($this, $user))) {
 
-        if (!empty($user)) {
-            $sn = new GroupsNav($this->action, $user);
-            if ($sn->haveGroups()) {
-                $this->submenu(_m('MENU', 'Groups'), $sn);
+            if (!empty($user)) {
+                $pn = new PersonalGroupNav($this->action);
+                // TRANS: Menu item in default local navigation panel.
+                $this->submenu(_m('MENU','Home'), $pn);
             }
+
+            $bn = new PublicGroupNav($this->action);
+            // TRANS: Menu item in default local navigation panel.
+            $this->submenu(_m('MENU','Public'), $bn);
+
+            if (!empty($user)) {
+                $sn = new GroupsNav($this->action, $user);
+                if ($sn->haveGroups()) {
+                    $this->submenu(_m('MENU', 'Groups'), $sn);
+                }
+            }
+
+            Event::handle('EndDefaultLocalNav', array($this, $user));
         }
 
         $this->action->elementEnd('ul');