diff --git a/purchase_date_planned_update/__init__.py b/purchase_date_planned_update/__init__.py
new file mode 100644
index 0000000..3b4c3ed
--- /dev/null
+++ b/purchase_date_planned_update/__init__.py
@@ -0,0 +1,3 @@
+# -*- coding: utf-8 -*-
+
+from . import wizard
diff --git a/purchase_date_planned_update/__openerp__.py b/purchase_date_planned_update/__openerp__.py
new file mode 100644
index 0000000..4f73a85
--- /dev/null
+++ b/purchase_date_planned_update/__openerp__.py
@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Purchase Date Planned Update module for Odoo
+#    Copyright (C) 2015-2016 Akretion (http://www.akretion.com)
+#    @author Alexis de Lattre <alexis.delattre@akretion.com>
+#
+#    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/>.
+#
+##############################################################################
+
+
+{
+    'name': 'Purchase Date Planned Update',
+    'version': '0.1',
+    'category': 'Purchase',
+    'license': 'AGPL-3',
+    'summary': "Update of date planned on PO line updates date on stock move",
+    'description': """
+Purchase Date Planned Update
+============================
+
+This module adds a wizard on confirmed purchase orders to update the date planned on one or several purchase order lines: it will update the scheduled date of the purchase order lines and the expected date of the related stock moves that are not already received.
+
+This module has been written by Alexis de Lattre from Akretion
+<alexis.delattre@akretion.com>.
+    """,
+    'author': 'Akretion',
+    'website': 'http://www.akretion.com',
+    'depends': ['purchase'],
+    'data': [
+        'wizard/purchase_date_planned_update_view.xml',
+        'purchase_view.xml',
+        ],
+    'installable': True,
+}
diff --git a/purchase_date_planned_update/purchase.py b/purchase_date_planned_update/purchase.py
new file mode 100644
index 0000000..6c3ce8e
--- /dev/null
+++ b/purchase_date_planned_update/purchase.py
@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Purchase Date Planned Update module for Odoo
+#    Copyright (C) 2015 Akretion (http://www.akretion.com)
+#    @author Alexis de Lattre <alexis.delattre@akretion.com>
+#    @author Sébastien Beau <sebastien.beau@akretion.com>
+#
+#    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
+from openerp.tools.translate import _
+from openerp import SUPERUSER_ID
+
+
+class PurchaseOrderLine(orm.Model):
+    _inherit = 'purchase.order.line'
+
+    def write(self, cr, uid, ids, vals, context=None):
+        if vals.get('date_planned'):
+            if not isinstance(ids, list):
+                ids = [ids]
+            polines = self.browse(cr, uid, ids, context=context)
+            move_ids = []
+            for poline in polines:
+                # Add msg in chatter
+                poline.order_id.message_post(_(
+                    "Updated Scheduled Date of line <b>%s</b> from %s "
+                    "to <b>%s</b>"
+                    % (poline.name, poline.date_planned,
+                       vals['date_planned'])))
+                move_ids += [
+                    sm.id for sm in poline.move_ids if sm.state != 'done']
+            if move_ids:
+                # update related stock move
+                self.pool['stock.move'].write(cr, SUPERUSER_ID, move_ids, {
+                    'date_expected': vals['date_planned'],
+                    }, context=context)
+        return super(PurchaseOrderLine, self).write(
+            cr, uid, ids, vals, context=context)
diff --git a/purchase_date_planned_update/purchase_view.xml b/purchase_date_planned_update/purchase_view.xml
new file mode 100644
index 0000000..19be085
--- /dev/null
+++ b/purchase_date_planned_update/purchase_view.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+   Copyright (C) 2015-2016 Akretion (http://www.akretion.com/)
+   @author: Alexis de Lattre <alexis.delattre@akretion.com>
+   The licence is in the file __openerp__.py
+-->
+
+<openerp>
+<data>
+
+<record id="purchase_order_form" model="ir.ui.view">
+    <field name="name">date_planned_update.purchase.order.form</field>
+    <field name="model">purchase.order</field>
+    <field name="inherit_id" ref="purchase.purchase_order_form"/>
+    <field name="arch" type="xml">
+        <button name="action_cancel" position="after">
+            <button name="%(purchase_date_planned_update_action)d" type="action"
+                string="Update Scheduled Date"
+                states="confirmed,approved,except_picking,except_invoice"/>
+        </button>
+    </field>
+</record>
+
+
+</data>
+</openerp>
diff --git a/purchase_date_planned_update/wizard/__init__.py b/purchase_date_planned_update/wizard/__init__.py
new file mode 100644
index 0000000..64bb52f
--- /dev/null
+++ b/purchase_date_planned_update/wizard/__init__.py
@@ -0,0 +1,3 @@
+# -*- coding: utf-8 -*-
+
+from . import purchase_date_planned_update
diff --git a/purchase_date_planned_update/wizard/purchase_date_planned_update.py b/purchase_date_planned_update/wizard/purchase_date_planned_update.py
new file mode 100644
index 0000000..96c0bb3
--- /dev/null
+++ b/purchase_date_planned_update/wizard/purchase_date_planned_update.py
@@ -0,0 +1,105 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Purchase Date Planned Update module for Odoo
+#    Copyright (C) 2015-2016 Akretion (http://www.akretion.com)
+#    @author Alexis de Lattre <alexis.delattre@akretion.com>
+#
+#    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 import models, fields, api, _
+from openerp.exceptions import Warning as UserError
+import openerp.addons.decimal_precision as dp
+
+
+class PurchaseDatePlannedUpdate(models.TransientModel):
+    _name = 'purchase.date.planned.update'
+    _description = 'Update Scheduled Date on PO'
+
+    date_planned = fields.Date(string='New Scheduled Date For All Lines')
+    line_ids = fields.One2many(
+        'purchase.line.date.planned.update', 'parent_id', string="Lines")
+
+    @api.model
+    def default_get(self, fields):
+        res = super(PurchaseDatePlannedUpdate, self).default_get(fields)
+        po = self.env['purchase.order'].browse(self._context['active_id'])
+        lines = []
+        for line in po.order_line:
+            if line.move_ids:
+                if all([move.state == 'done' for move in line.move_ids]):
+                    continue
+            lines.append({
+                'purchase_line_id': line.id,
+                'product_id': line.product_id.id,
+                'name': line.name,
+                'product_qty': line.product_qty,
+                'date_planned': line.date_planned,
+                'product_uom': line.product_uom.id,
+                'price_unit': line.price_unit,
+                })
+        if not lines:
+            raise UserError(_(
+                "All purchase order lines have been fully received."))
+        res.update(line_ids=lines)
+        return res
+
+    @api.onchange('date_planned')
+    def date_planned_change(self):
+        if self.date_planned:
+            for line in self.line_ids:
+                line.date_planned = self.date_planned
+
+    @api.multi
+    def run(self):
+        self.ensure_one()
+        for wline in self.line_ids:
+            if wline.date_planned != wline.purchase_line_id.date_planned:
+                pline = wline.purchase_line_id
+                pline.order_id.message_post(_(
+                    "Updated Scheduled Date of line <b>%s</b> from %s "
+                    "to <b>%s</b>")
+                    % (pline.name, pline.date_planned, wline.date_planned))
+                # Update PO line
+                pline.date_planned = wline.date_planned
+                # Update move lines
+                if pline.move_ids:
+                    moves = pline.move_ids.filtered(
+                        lambda x: x.state != 'done')
+                    moves.write({'date_expected': wline.date_planned})
+        return True
+
+
+class PurchaseLineDatePlannedUpdate(models.TransientModel):
+    _name = 'purchase.line.date.planned.update'
+    _description = 'Purchase Line Date Planned Update'
+
+    parent_id = fields.Many2one(
+        'purchase.date.planned.update', string='Parent')
+    purchase_line_id = fields.Many2one(
+        'purchase.order.line', string='Purchase Order Line', readonly=True)
+    product_id = fields.Many2one(
+        'product.product', string='Product', readonly=True)
+    name = fields.Text('Description', readonly=True)
+    product_qty = fields.Float(
+        string='Quantity', digits=dp.get_precision('Product Unit of Measure'),
+        readonly=True)
+    date_planned = fields.Date(string='Scheduled Date', required=True)
+    product_uom = fields.Many2one(
+        'product.uom', string='Product Unit of Measure', readonly=True)
+    price_unit = fields.Float(
+        string='Unit Price', readonly=True,
+        digits=dp.get_precision('Product Price'))
diff --git a/purchase_date_planned_update/wizard/purchase_date_planned_update_view.xml b/purchase_date_planned_update/wizard/purchase_date_planned_update_view.xml
new file mode 100644
index 0000000..6213181
--- /dev/null
+++ b/purchase_date_planned_update/wizard/purchase_date_planned_update_view.xml
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2015-2016 Akretion (http://www.akretion.com/)
+    @author: Alexis de Lattre <alexis.delattre@akretion.com>
+    The licence is in the file __openerp__.py
+-->
+
+<openerp>
+<data>
+
+<record id="purchase_date_planned_update_form" model="ir.ui.view">
+    <field name="name">purchase_date_planned_update_form</field>
+    <field name="model">purchase.date.planned.update</field>
+    <field name="arch" type="xml">
+        <form string="Update Scheduled Date">
+            <group name="main">
+                <label string="You can update all the lines at once or update only selected lines." colspan="2"/>
+                <label string="The purchase order lines that are already fully received are not listed below." colspan="2"/>
+                <field name="date_planned"/>
+                <field name="line_ids" colspan="2" nolabel="1">
+                    <tree editable="bottom">
+                        <field name="purchase_line_id" invisible="1"/>
+                        <field name="product_id"/>
+                        <field name="name"/>
+                        <field name="date_planned"/>
+                        <field name="product_qty"/>
+                        <field name="product_uom" groups="product.group_uom"/>
+                        <field name="price_unit"/>
+                    </tree>
+                </field>
+            </group>
+            <footer>
+                <button name="run" type="object" string="Update"
+                    class="oe_highlight"/>
+                <button special="cancel" string="Cancel" class="oe_link"/>
+            </footer>
+        </form>
+    </field>
+</record>
+
+<record id="purchase_date_planned_update_action" model="ir.actions.act_window">
+    <field name="name">Update Scheduled Date</field>
+    <field name="res_model">purchase.date.planned.update</field>
+    <field name="view_mode">form</field>
+    <field name="target">new</field>
+</record>
+
+</data>
+</openerp>