Replace tree open wizard by simple relate

This allow to preserve the full context from balance sheet or income
statement.
Unfortunately both reports are using a different context model so it is not
possible to use a common context model on the account view.

issue6747
review36631002

__init__.py

@@ -80,7 +80,6 @@ def register():
         PartyAccount,
         module='account', type_='model')
     Pool.register(
-        OpenType,
         BalanceNonDeferral,
         OpenChartAccount,
         CreateChart,

account.py

@@ -20,7 +20,7 @@ from trytond.transaction import Transaction
 from trytond.pool import Pool
 from trytond import backend
 
-__all__ = ['TypeTemplate', 'Type', 'OpenType',
+__all__ = ['TypeTemplate', 'Type',
     'AccountTemplate', 'AccountTemplateTaxTemplate',
     'Account', 'AccountDeferral', 'AccountTax',
     'OpenChartAccountStart', 'OpenChartAccount',
@@ -305,25 +305,6 @@ class Type(sequence_ordered(), ModelSQL, ModelView):
             self.write(*values)
 
 
-class OpenType(Wizard):
-    'Open Type'
-    __name__ = 'account.account.open_type'
-    start_state = 'open_'
-    open_ = StateAction('account.act_account_list2')
-
-    def do_open_(self, action):
-        action['pyson_domain'] = PYSONEncoder().encode([
-                ('type', '=', Transaction().context['active_id']),
-                ('kind', '!=', 'view'),
-                ])
-        action['pyson_context'] = PYSONEncoder().encode({
-                'date': Transaction().context.get('date'),
-                'posted': Transaction().context.get('posted'),
-                'cumulate': Transaction().context.get('cumulate'),
-                })
-        return action, {}
-
-
 class AccountTemplate(ModelSQL, ModelView):
     'Account Template'
     __name__ = 'account.account.template'

account.xml

@@ -357,22 +357,22 @@ this repository contains the full copyright notices and license terms. -->
         <record model="ir.action.act_window" id="act_account_list2">
             <field name="name">Accounts</field>
             <field name="res_model">account.account</field>
+            <field name="context_domain"
+                eval="[('company', '=', Eval('company', -1))]"
+                pyson="1"/>
+            <field name="domain"
+                eval="[('type', 'child_of', Eval('active_id'), 'parent'), ('kind', '!=', 'view')]"
+                pyson="1"/>
         </record>
         <record model="ir.action.act_window.view" id="act_account_list2_view1">
             <field name="sequence" eval="10"/>
             <field name="view" ref="account_view_list2"/>
             <field name="act_window" ref="act_account_list2"/>
         </record>
-
-        <record model="ir.action.wizard" id="act_open_type">
-            <field name="name">Open Type</field>
-            <field name="wiz_name">account.account.open_type</field>
-            <field name="model">account.account.type</field>
-        </record>
         <record model="ir.action.keyword" id="act_open_type_keyword">
             <field name="keyword">tree_open</field>
             <field name="model">account.account.type,-1</field>
-            <field name="action" ref="act_open_type"/>
+            <field name="action" ref="act_account_list2"/>
         </record>
 
         <record model="ir.ui.view" id="account_view_tree2">