From dcbc3b3ee976c44f62385548054fdc77dd7a54e6 Mon Sep 17 00:00:00 2001
From: Fabian Ebner <f.ebner@proxmox.com>
Date: Mon, 15 Mar 2021 12:57:28 +0100
Subject: [PATCH] ui: bandwidth limit selector: make it possible to allow zero

The initial value is '' and in getSubmitValue(), previously the branch
   if (v == 0 || v == 0.0) return null;
was taken, because of the lax '==' comparision. Make sure we still return null
for '' by explicitly checking for it.

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
---
 www/manager6/form/BandwidthSelector.js | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/www/manager6/form/BandwidthSelector.js b/www/manager6/form/BandwidthSelector.js
index 4ae52f9d..6f564fb8 100644
--- a/www/manager6/form/BandwidthSelector.js
+++ b/www/manager6/form/BandwidthSelector.js
@@ -36,12 +36,16 @@ Ext.define('PVE.form.BandwidthField', {
     // for KiB set it to 'KiB'
     backendUnit: undefined,
 
+    // allow setting 0 and using it as a submit value
+    allowZero: false,
+
     items: [
 	{
 	    xtype: 'numberfield',
 	    cbind: {
 		name: '{name}',
 		emptyText: '{emptyText}',
+		allowZero: '{allowZero}',
 	    },
 	    minValue: 0,
 	    step: 1,
@@ -61,7 +65,9 @@ Ext.define('PVE.form.BandwidthField', {
 		    this._transformed = true;
 		}
 
-		if (v == 0) v = undefined;
+		if (Number(v) === 0 && !this.allowZero) {
+		    v = undefined;
+		}
 
 		return Ext.form.field.Text.prototype.setValue.call(this, v);
 	    },
@@ -69,9 +75,13 @@ Ext.define('PVE.form.BandwidthField', {
 		let v = this.processRawValue(this.getRawValue());
 		v = v.replace(this.decimalSeparator, '.');
 
-		if (v === undefined) return null;
-		// FIXME: make it configurable, as this only works if 0 === default
-		if (v == 0 || v == 0.0) return null;
+		if (v === undefined || v === '') {
+		    return null;
+		}
+
+		if (Number(v) === 0) {
+		    return this.allowZero ? 0 : null;
+		}
 
 		let fieldct = this.up('pveBandwidthField');
 		let vm = fieldct.getViewModel();