Merge pull request #260 from vrenaville/account_cancel_test_installed

[ADD] Add field to test is account cancel is installed to prevent to …

account_constraints/model/account_bank_statement.py

@@ -62,3 +62,17 @@ class AccountBankStatementLine(models.Model):
         self = self.with_context(from_parent_object=True)
         return super(AccountBankStatementLine, self)\
             .process_reconciliation(mv_line_dicts)
+
+    @api.multi
+    def _is_account_cancel_installed(self):
+        ir_module = self.env['ir.module.module']
+        res_found_module = ir_module.search_count([
+            ('name', '=', 'account_cancel'),
+            ('state', '=', 'installed')])
+        if res_found_module:
+            for line in self:
+                line.account_cancel_installed = True
+
+    account_cancel_installed = fields.Boolean(
+        compute='_is_account_cancel_installed',
+        string='Allow Cancelling Entries')

account_constraints/view/account_bank_statement.xml

@@ -13,7 +13,8 @@
             <field name="arch" type="xml">
                 <xpath expr="//field[@name='bank_account_id']" position="after">
                     <field name="state" invisible="1"/>
-                    <button name="cancel" attrs="{'invisible': ['|', ('journal_entry_id', '=', False), ('state', '=', 'confirm')]}" string="Cancel" type="object" icon="gtk-undo"/>
+                    <field name='account_cancel_installed' invisible="1"/>
+                    <button name="cancel" attrs="{'invisible': ['|', ('journal_entry_id', '=', False),('account_cancel_installed','=', True)]}" string="Cancel" type="object" icon="gtk-undo"/>
                 </xpath>
             </field>
         </record>