From a8131b5bce6e1d01c4ecb237712cb44e42788d4f Mon Sep 17 00:00:00 2001
From: Thomas Lamprecht <t.lamprecht@proxmox.com>
Date: Wed, 26 Jun 2019 16:05:56 +0200
Subject: [PATCH] combo grid: add setAllowBlank to help bindings

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
---
 form/ComboGrid.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/form/ComboGrid.js b/form/ComboGrid.js
index 91650fd..970e363 100644
--- a/form/ComboGrid.js
+++ b/form/ComboGrid.js
@@ -51,6 +51,11 @@ Ext.define('Proxmox.form.ComboGrid', {
 	}
     },
 
+    setAllowBlank: function(allowBlank) {
+	this.allowBlank = allowBlank;
+	this.validate();
+    },
+
 // override ExtJS protected method
     onBindStore: function(store, initial) {
         var me = this,