From 288a0fa137f2e16b406788185423c800ea7b4848 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 23 Oct 2018 17:09:24 +0200
Subject: [PATCH] Elastic: Fix js error when accessing page jumper input with a
 Tab key

---
 skins/elastic/ui.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/skins/elastic/ui.js b/skins/elastic/ui.js
index ebb00dfcb..54346a8f4 100644
--- a/skins/elastic/ui.js
+++ b/skins/elastic/ui.js
@@ -2240,7 +2240,8 @@ function rcube_elastic_ui()
                 $(this).data('event', 'mouse');
             })
             .on('keydown', function(e) {
-                switch (e.originalEvent.which) {
+                if (e.originalEvent) {
+                    switch (e.originalEvent.which) {
                     case 13:
                     case 32:
                         // Open the popup on ENTER or SPACE
@@ -2251,6 +2252,7 @@ function rcube_elastic_ui()
                         // Close the popup on ESC key
                         $(this).popover('hide');
                         break;
+                    }
                 }
             });