From b4cc1401fce299e5a380d8730c810748bff62c20 Mon Sep 17 00:00:00 2001
From: Maxim Kadushkin <maxim.kadushkin@onlyoffice.com>
Date: Thu, 4 Aug 2016 18:34:38 +0300
Subject: [PATCH] check button state before disable

---
 apps/common/main/lib/component/Button.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/common/main/lib/component/Button.js b/apps/common/main/lib/component/Button.js
index 0d11e6c0d..fe696a818 100644
--- a/apps/common/main/lib/component/Button.js
+++ b/apps/common/main/lib/component/Button.js
@@ -414,7 +414,8 @@ define([
         },
 
         setDisabled: function(disabled) {
-            if (this.rendered) {
+            if (this.rendered &&
+                    this.disabled != disabled) {
                 var el = this.cmpEl,
                     isGroup = el.hasClass('btn-group');