[add] statement cancel line: ask for confirmation if the line is reconciled

account_statement_cancel_line/__init__.py

@@ -22,3 +22,4 @@
 
 import statement  # noqa
 import statement_line  # noqa
+import wizard  # noqa

account_statement_cancel_line/__openerp__.py

@@ -43,6 +43,7 @@
     'init_xml': [],
     'update_xml': [
         'statement_view.xml',
+        'wizard/cancel_line_view.xml',
     ],
     'demo_xml': [],
     'test': [

account_statement_cancel_line/statement_line.py

@@ -97,6 +97,28 @@ class StatementLine(orm.Model):
 
         return res
 
+    def button_cancel(self, cr, uid, ids, context=None):
+        """Check if a line is reconciled, and cancel it. Return action."""
+        if context is None:
+            context = {}
+
+        for st_line in self.browse(cr, uid, ids, context=context):
+            for move in st_line.move_ids:
+                for move_line in move.line_id:
+                    if move_line.reconcile:
+                        # ask confirmation, we have some reconciliation already
+                        return {
+                            'type': 'ir.actions.act_window',
+                            'res_model': 'wizard.cancel.line',
+                            'view_type': 'form',
+                            'view_mode': 'form',
+                            'target': 'new',
+                            'context': context,
+                        }
+
+        # no reconciliation to worry about: we cancel our lines directly then
+        return self.cancel(cr, uid, ids, context=context)
+
     def cancel(self, cr, uid, ids, context=None):
         """Cancel one statement line, return action.
 

account_statement_cancel_line/statement_view.xml

@@ -15,7 +15,7 @@
                                 string="Confirm transaction"
                                 icon="gtk-ok"
                                 type="object"/>
-                        <button name="cancel" states="confirmed"
+                        <button name="button_cancel" states="confirmed"
                                 string="Cancel transaction"
                                 icon="gtk-cancel"
                                 type="object"/>

account_statement_cancel_line/wizard/__init__.py

@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+###############################################################################
+#                                                                             #
+#   Author: Leonardo Pistone
+#   Copyright 2014 Camptocamp SA
+#                                                                             #
+#   This program is free software: you can redistribute it and/or modify      #
+#   it under the terms of the GNU Affero General Public License as            #
+#   published by the Free Software Foundation, either version 3 of the        #
+#   License, or (at your option) any later version.                           #
+#                                                                             #
+#   This program is distributed in the hope that it will be useful,           #
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of            #
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             #
+#   GNU Affero General Public License for more details.                       #
+#                                                                             #
+#   You should have received a copy of the GNU Affero General Public License  #
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.     #
+#                                                                             #
+###############################################################################
+"""Account Statement Cancel Line."""
+
+import cancel_line  # noqa

account_statement_cancel_line/wizard/cancel_line.py

@@ -0,0 +1,46 @@
+# -*- coding: utf-8 -*-
+###############################################################################
+#                                                                             #
+#   Author: Leonardo Pistone
+#   Copyright 2014 Camptocamp SA
+#                                                                             #
+#   This program is free software: you can redistribute it and/or modify      #
+#   it under the terms of the GNU Affero General Public License as            #
+#   published by the Free Software Foundation, either version 3 of the        #
+#   License, or (at your option) any later version.                           #
+#                                                                             #
+#   This program is distributed in the hope that it will be useful,           #
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of            #
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             #
+#   GNU Affero General Public License for more details.                       #
+#                                                                             #
+#   You should have received a copy of the GNU Affero General Public License  #
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.     #
+#                                                                             #
+###############################################################################
+"""Wizard to Cancel a Statement Line."""
+
+from openerp.osv import orm
+
+
+class wizard_cancel_line(orm.TransientModel):
+
+    """Wizard to Cancel a Statement Line."""
+
+    _name = "wizard.cancel.line"
+    _description = "Cancel Line"
+    _columns = {
+    }
+
+    def unreconcile(self, cr, uid, ids, context=None):
+        """Proceed and cancel the statement line, return Action.
+
+        This will delete the move.line and the reconciliation.
+
+        """
+        return self.pool['account.bank.statement.line'].cancel(
+            cr,
+            uid,
+            context['active_ids'],
+            context=context
+        )

account_statement_cancel_line/wizard/cancel_line_view.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+
+        <record id="view_wizard_cancel_line_form" model="ir.ui.view">
+            <field name="name">view.wizard.cancel.line.form</field>
+            <field name="model">wizard.cancel.line</field>
+            <field name="arch" type="xml">
+                <form string="Reconciled Entries" version="7.0">
+                    <separator string="Unreconciliation"/>
+                    <label string="Some entries are already reconciled. Do you want to unreconcile them and proceed?"/>
+                    <footer>
+                        <button name="unreconcile" string="Unreconcile" type="object" class="oe_highlight"/>
+                        or
+                        <button string="Cancel" class="oe_link" special="cancel"/>
+                    </footer>
+                </form>
+            </field>
+        </record>
+
+    </data>
+</openerp>