line: disable column 'quantity_balance' if cashbook-feature != asset

line.py

@@ -58,9 +58,11 @@ class Line(SecondUomMixin, metaclass=PoolMeta):
         }, depends=['currency_digits', 'quantity_digits', 'feature']),
         'on_change_with_asset_rate')
     quantity_balance = fields.Function(fields.Numeric(string='Quantity',
-        digits=(16, Eval('quantity_digits', 4)),
+        digits=(16, Eval('quantity_digits', 4)), readonly=True,
         help='Number of shares in the cashbook up to the current row if the default sort applies.',
-        readonly=True, depends=['quantity_digits']),
+        states={
+            'invisible': Eval('feature', '') != 'asset',
+        }, depends=['quantity_digits', 'feature']),
         'on_change_with_quantity_balance')
 
     @classmethod
@@ -134,7 +136,7 @@ class Line(SecondUomMixin, metaclass=PoolMeta):
                     })
         return result
 
-    @fields.depends('id', 'date', 'cashbook', \
+    @fields.depends('id', 'date', 'cashbook', 'feature',\
         '_parent_cashbook.id', 'reconciliation', \
         '_parent_reconciliation.start_quantity',\
         '_parent_reconciliation.state')
@@ -142,10 +144,12 @@ class Line(SecondUomMixin, metaclass=PoolMeta):
         """ get quantity-balance
         """
         Line2 = Pool().get('cashbook.line')
-        return Line2.get_balance_of_line(self,
+
-            field_name='quantity',
+        if self.feature == 'asset':
-            credit_name='quantity_credit',
+            return Line2.get_balance_of_line(self,
-            debit_name='quantity_debit')
+                field_name='quantity',
+                credit_name='quantity_credit',
+                debit_name='quantity_debit')
 
     @fields.depends('quantity', 'amount', 'currency_digits', 'quantity_digits')
     def on_change_with_asset_rate(self, name=None):

line.xml

@@ -11,5 +11,16 @@ full copyright notices and license terms. -->
             <field name="name">line_form</field>
         </record>
 
+        <record model="ir.ui.view" id="line_view_list">
+            <field name="model">cashbook.line</field>
+            <field name="inherit" ref="cashbook.line_view_list"/>
+            <field name="name">line_list</field>
+        </record>
+        <record model="ir.ui.view" id="line_recon_view_list">
+            <field name="model">cashbook.line</field>
+            <field name="inherit" ref="cashbook.line_recon_view_list"/>
+            <field name="name">line_recon_list</field>
+        </record>
+
     </data>
 </tryton>

mixin.py

@@ -105,6 +105,9 @@ class SecondUomMixin(object):
         for line in lines:
             if line.booktransf is None:
                 continue
+            if (line.cashbook.quantity_uom is None) or \
+                (line.booktransf.quantity_uom is None):
+                continue
 
             if line.cashbook.quantity_uom.id == line.booktransf.quantity_uom.id:
                 continue

view/line_list.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0"?>
+<!-- This file is part of the cashbook-module from m-ds for Tryton.
+The COPYRIGHT file at the top level of this repository contains the
+full copyright notices and license terms. -->
+<data>
+
+    <xpath expr="/tree/field[@name='balance']" position="after">
+        <field name="quantity_credit"/>
+        <field name="quantity_debit"/>
+        <field name="quantity_balance"/>
+    </xpath>
+
+</data>

view/line_recon_list.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<!-- This file is part of the cashbook-module from m-ds for Tryton.
+The COPYRIGHT file at the top level of this repository contains the
+full copyright notices and license terms. -->
+<data>
+
+    <xpath expr="/tree/field[@name='debit']" position="after">
+        <field name="quantity_credit"/>
+        <field name="quantity_debit"/>
+    </xpath>
+
+</data>