From 2b5a9ad56ee55fe8153eed8e14c44bfa7fe21c3b Mon Sep 17 00:00:00 2001
From: Zog
Date: Fri, 23 Feb 2018 15:50:41 +0100
Subject: Refs #5952; Add an hysteresis on the sticky header

---
 app/assets/javascripts/main_menu.coffee | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'app/assets')

diff --git a/app/assets/javascripts/main_menu.coffee b/app/assets/javascripts/main_menu.coffee
index e943f448a..22ecebd25 100644
--- a/app/assets/javascripts/main_menu.coffee
+++ b/app/assets/javascripts/main_menu.coffee
@@ -21,8 +21,9 @@ $ ->
 
   sticker = () ->
     limit = 51
+    offset = 30
 
-    if $(window).scrollTop() >= limit
+    if $(window).scrollTop() >= limit + offset
       if stickyActions.length == 0
         if ($('.page-action .small').length > 0)
           stickyActions.push
@@ -53,7 +54,7 @@ $ ->
           for child in item.content
             child.appendTo $('.sticky-paction')
 
-    else
+    else if $(window).scrollTop() <= limit - offset
       $('#main_nav').removeClass 'sticky'
 
       if $('#menu_top').find('.sticky-content').length > 0
-- 
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