[ADD] link on the form view to display or create the stock reservations

stock_reserve/__openerp__.py

@@ -41,6 +41,7 @@ is automatically lifted.
              ],
  'demo': [],
  'data': ['view/stock_reserve.xml',
+          'view/product.xml',
           'data/stock_data.xml',
           'security/ir.model.access.csv',
           ],

stock_reserve/model/__init__.py

@@ -20,3 +20,4 @@
 ##############################################################################
 
 from . import stock_reserve
+from . import product

stock_reserve/model/product.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Author: Guewen Baconnier
+#    Copyright 2013 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/>.
+#
+##############################################################################
+
+from openerp.osv import orm, fields
+
+
+class product_product(orm.Model):
+    _inherit = 'product.product'
+
+    def open_stock_reservation(self, cr, uid, ids, context=None):
+        assert len(ids) == 1, "Expected 1 ID, got %r" % ids
+        mod_obj = self.pool.get('ir.model.data')
+        act_obj = self.pool.get('ir.actions.act_window')
+        get_ref = mod_obj.get_object_reference
+        __, action_id = get_ref(cr, uid, 'stock_reserve',
+                                'action_stock_reservation')
+        action = act_obj.read(cr, uid, action_id, context=context)
+        action['context'] = {'search_default_draft': 1,
+                             'search_default_reserved': 1,
+                             'default_product_id': ids[0],
+                             'search_default_product_id': ids[0]}
+        return action

stock_reserve/view/product.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data noupdate="0">
+
+        <record model="ir.ui.view" id="product_form_view">
+            <field name="name">product.product.form.reserve</field>
+            <field name="model">product.product</field>
+            <field name="inherit_id" ref="procurement.product_form_view_procurement_button"/>
+            <field name="arch" type="xml">
+                <xpath expr="//div[@name='buttons']" position="inside">
+                    <button string="Stock Reservations"
+                        name="open_stock_reservation"
+                        type="object"/>
+                </xpath>
+            </field>
+        </record>
+
+    </data>
+</openerp>