From dfb48edd1da2f1c4a848639d469cd94c5d6f7a06 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 2 Oct 2017 16:01:48 +0200
Subject: [PATCH] Use length to test Group emptiness

jQuery.isEmptyObject does not consider Group without records as empty.

issue6800
review35651002
---
 src/view/tree.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/view/tree.js b/src/view/tree.js
index 67e9cbd5ee..5b92e9f741 100644
--- a/src/view/tree.js
+++ b/src/view/tree.js
@@ -753,9 +753,8 @@
             selected = selected || [];
             expanded = expanded || [];
             var update_expander = function() {
-                if (jQuery.isEmptyObject(
-                            this.record.field_get_client(
-                                this.children_field))) {
+                if (!this.record.field_get_client(
+                    this.children_field).length) {
                     this.expander.css('visibility', 'hidden');
                 }
             };