From 316d079b59d35390cd9aabe2e77aa073e17d8a64 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20van=20der=20Essen?= <fva@openerp.com>
Date: Thu, 19 Sep 2013 15:10:12 +0200
Subject: [PATCH] [IMP] point_of_sale: remove empty payment lines when going
 back to product screen

bzr revid: fva@openerp.com-20130919131012-ylnqrab48a9746l6
---
 addons/point_of_sale/static/src/js/screens.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/addons/point_of_sale/static/src/js/screens.js b/addons/point_of_sale/static/src/js/screens.js
index a5017d517b7..4d453099690 100644
--- a/addons/point_of_sale/static/src/js/screens.js
+++ b/addons/point_of_sale/static/src/js/screens.js
@@ -883,6 +883,11 @@ function openerp_pos_screens(instance, module){ //module is instance.point_of_sa
                     label: _t('Back'),
                     icon: '/point_of_sale/static/src/img/icons/png48/go-previous.png',
                     click: function(){  
+                        _.each(self.paymentlinewidgets, function(widget){
+                            if( widget.payment_line.get_amount() === 0 ){
+                                widget.payment_line.destroy();
+                            }
+                        });
                         self.pos_widget.screen_selector.set_current_screen(self.back_screen);
                     },
                 });