From 6a42adffda00b97df06e20d3dac486dff3b2b152 Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Sat, 1 Apr 2017 17:54:40 +0200
Subject: [PATCH] button/Button.js: do not sreach for selection model if
 selModel === null

For Buttons which needs to trigger when nothing is selected.
---
 button/Button.js | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/button/Button.js b/button/Button.js
index 56bdd85..835a666 100644
--- a/button/Button.js
+++ b/button/Button.js
@@ -63,18 +63,20 @@ Ext.define('Proxmox.button.Button', {
 
 	me.callParent();
 
-	if (!me.selModel) {
+	if (!me.selModel && me.selModel !== null) {
 	    var grid = me.up('grid');
 	    if (grid && grid.selModel) {
 		me.selModel = grid.selModel;
-		if (me.waitMsgTarget === true) {
-		    me.waitMsgTarget = grid;
-		}
 	    }
 	}
 
 	if (me.waitMsgTarget === true) {
-	    throw "unable to find waitMsgTarget"; // no grid found
+	    var grid = me.up('grid');
+	    if (grid) {
+		me.waitMsgTarget = grid;
+	    } else {
+		throw "unable to find waitMsgTarget";
+	    }
 	}
 	
 	if (me.selModel) {
-- 
2.39.2