[ADD] state and readonly by state

models/res_partner_contract.py

@@ -28,6 +28,19 @@ class PartnerContract(models.Model):
         default=lambda self: self.env.context.get('active_id'),
         required=True
     )
+    state = fields.Selection([
+        ('draft', 'New'),
+        ('sign', 'Signed'),
+        ('close', 'Closed'),
+    ],
+        string='Status',
+        readonly=True,
+        copy=False,
+        index=True,
+        track_visibility='onchange',
+        track_sequence=3,
+        default='draft'
+    )
 
     @api.onchange('date')
     def _change_contract_name(self):
@@ -37,6 +50,18 @@ class PartnerContract(models.Model):
         """
         self.name = self._calculate_contract_name(self.date)
 
+    @api.multi
+    def action_sign(self):
+        self.write({'state': 'sign'})
+
+    @api.multi
+    def action_close(self):
+        self.write({'state': 'close'})
+
+    @api.multi
+    def action_renew(self):
+        self.write({'state': 'draft'})
+
     @api.model
     def create(self, vals):
 

views/res_partner_contract.xml

@@ -20,17 +20,21 @@
         <field name="model">res.partner.contract</field>
         <field name="arch" type="xml">
             <form string="Contract">
-                <!-- <header>
-                    <button name="do_toggle_active" type="object" string="Active" class="oe_highlight" />
-                </header> -->
+                <header>
+                    <button name="action_sign" type="object" string="Sign" states="draft" class="oe_highlight"/>
+                    <button name="action_close" type="object" string="Close" states="sign" class="oe_highlight"/>
+                    <button name="action_renew" type="object" string="Renew" states="close"/>
+
+                    <field name="state" widget="statusbar" statusbar_visible="draft,sign,close"/>
+                </header>
                 <sheet>
                     <group string="Contract parameters" name="single_params">
                         <field name="name" readonly="1"/>
-                        <field name="date"/>
-                        <field name="partner_id"/>
+                        <field name="date" attrs="{'readonly': [('state', 'in', ['sign', 'close'])]}"/>
+                        <field name="partner_id" readonly="1"/>
                     </group>
                     <group string="Annexed orders" name="multi_params">
-                        <field name="order_ids" widget="many2many"/>
+                        <field name="order_ids" widget="many2many" attrs="{'readonly': [('state', '=', 'close')]}"/>
                     </group>
                 </sheet>
             </form>