From 93f037923b98292245603a9865c5e2775ef75979 Mon Sep 17 00:00:00 2001
From: sinergia <alejandro.ayala@onecluster.org>
Date: Wed, 29 Jun 2022 15:33:53 -0500
Subject: [PATCH] tab 'equipment' in saleline invisible if product not is a
 equipment

---
 sale.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sale.py b/sale.py
index 827fe70..0c8fe5e 100644
--- a/sale.py
+++ b/sale.py
@@ -1,5 +1,6 @@
 from trytond.pool import Pool, PoolMeta
 from trytond.model import ModelView, ModelSQL, fields
+from trytond.pyson import Eval, Bool, If
 
 
 class SaleLine(metaclass=PoolMeta):
@@ -19,3 +20,11 @@ class SaleLine(metaclass=PoolMeta):
         cls._process_invoice_shipment_states(sales)
         cls._process_state(sales)
 
+    @classmethod
+    def view_attributes(cls):
+        return super(SaleLine, cls).view_attributes() + [
+            ('//page[@id="equipment"]', 'states', {
+                    'invisible': ~Eval('lines.product.equipment'),
+                    })]
+
+