[IMP] mrp: handle widget to sequence workcenters operations

addons/mrp/mrp.py

@@ -141,7 +141,7 @@ class mrp_routing_workcenter(osv.osv):
     """
     _name = 'mrp.routing.workcenter'
     _description = 'Work Center Usage'
-    _order = 'sequence'
+    _order = 'sequence, id'
     _columns = {
         'workcenter_id': fields.many2one('mrp.workcenter', 'Work Center', required=True),
         'name': fields.char('Name', required=True),
@@ -158,6 +158,7 @@ class mrp_routing_workcenter(osv.osv):
     _defaults = {
         'cycle_nbr': lambda *a: 1.0,
         'hour_nbr': lambda *a: 0.0,
+        'sequence': 100,
     }
 
 class mrp_bom(osv.osv):

addons/mrp/mrp_view.xml

@@ -249,7 +249,7 @@
             <field name="model">mrp.routing.workcenter</field>
             <field name="arch" type="xml">
                 <tree string="Routing Work Centers">
-                    <field name="sequence"/>
+                    <field name="sequence" widget="handle"/>
                     <field name="name"/>
                     <field name="workcenter_id"/>
                     <field name="cycle_nbr"/>