From 0c1df28982c772d9b97c05b8dd319143748288f0 Mon Sep 17 00:00:00 2001
From: Yannick Vaucher <yannick.vaucher@camptocamp.com>
Date: Tue, 5 Jan 2016 15:44:47 +0100
Subject: [PATCH] Check if buttons are set in case we are in a popup window

---
 .../static/src/js/web_access_rule_buttons.js         | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/web_access_rule_buttons/static/src/js/web_access_rule_buttons.js b/web_access_rule_buttons/static/src/js/web_access_rule_buttons.js
index f189158c..26279c68 100644
--- a/web_access_rule_buttons/static/src/js/web_access_rule_buttons.js
+++ b/web_access_rule_buttons/static/src/js/web_access_rule_buttons.js
@@ -35,11 +35,13 @@ odoo.define('web_access_rule_buttons.main', function (require) {
     },
 
     show_hide_edit_button: function(access) {
-      var button = this.$buttons.find('.oe_form_button_edit');
-      if(access) {
-        button.removeAttr('disabled');
-      } else {
-        button.attr('disabled', true);
+      if (this.$buttons) {
+          var button = this.$buttons.find('.oe_form_button_edit');
+          if(access) {
+            button.removeAttr('disabled');
+          } else {
+            button.attr('disabled', true);
+          }
       }
     }