From 31f6189f4aa0f2ebcfca9aad774eab20f08a55b3 Mon Sep 17 00:00:00 2001
From: Benjamin Renard <brenard@easter-eggs.com>
Date: Wed, 3 Jun 2020 12:58:37 +0200
Subject: [PATCH] LSform: Avoid page scrolling on tab change

---
 src/includes/js/LSform.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/includes/js/LSform.js b/src/includes/js/LSform.js
index df08c68b..2818ed86 100644
--- a/src/includes/js/LSform.js
+++ b/src/includes/js/LSform.js
@@ -86,6 +86,9 @@ var LSform = new Class({
           }
         }
 
+        // Remove corresponding anchor to avoid scrolling on tab change
+        $$('a[name='+this.getLayoutNameFromBtn(li)+']').dispose();
+
         li.getFirst('a').addEvent('click',this.onTabBtnClick.bindWithEvent(this,li));
       },this);
 
@@ -182,7 +185,10 @@ var LSform = new Class({
         li.addClass('LSform_layout_current');
         var a=li.getElement('a');
         if ($type(a)) {
-          location.hash='#'+this.getLayoutNameFromBtn(li);
+          var layout_name = this.getLayoutNameFromBtn(li);
+          if (layout_name) {
+            location.hash='#'+layout_name;
+          }
         }
         var div = this.getLayout(li);
         if ($type(div)) {