added balance to close in statement

view/close_statement_start_form.xml

@@ -2,11 +2,13 @@
 <!-- This file is part of the sale_payment module for Tryton.
 The COPYRIGHT file at the top level of this repository contains the full
 copyright notices and license terms. -->
-<form col="2">
+<form>
     <image name="tryton-info" xexpand="0"
         xfill="0"/>
     <label
         string="You are going to close statements of your device."
         id="create"
         yalign="0.0" xalign="0.0" xexpand="1"/>
+    <newline/>
+    <field name="statementLines"/>
 </form>

view/open_statement_start_form.xml

@@ -9,4 +9,5 @@ copyright notices and license terms. -->
         string="You are going to open statements of your device."
         id="create"
         yalign="0.0" xalign="0.0" xexpand="1"/>
+    <newline/>
 </form>

view/statement_line_tree.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<!-- This file is part sale_pos module for Tryton. The COPYRIGHT file at the top level of
+     this repository contains the full copyright notices and license terms. -->
+<tree editable="1">
+    <field name="journal"/>
+    <field name="start_balance"/>
+    <field name="current_balance"/>
+    <field name="account"/>
+</tree>

view/statement_line_tree_sequence.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+     this repository contains the full copyright notices and license terms. -->
+<tree editable="1">
+    <field name="journal"/>
+    <field name="start_balance"/>
+    <field name="balance"/>
+    <field name="end_balance"/>
+    <field name="transfer"/>
+    <field name="account"/>
+</tree>