Add menu in dropdown list on tree view – Odoo 9

To add an additional menu in action dropdown list on tree view, we need to register “ir.actions.server” and “ir.values” on the qweb/xml file as follow. Note that code field name is using old Odoo python API.

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>

        ...

        <record id="action_cancel_request" model="ir.actions.server">
            <field name="name">Cancel</field>
            <field name="type">ir.actions.server</field>
            <field name="model_id" ref="sale.model_sale_order" />
            <field name="state">code</field>
            <field name="binding_model_id" ref="sale.model_sale_order" />
            <field name="code">action = self.action_cancel(cr, uid, context.get('active_ids', []), context=context)</field>
        </record>

        <record id="cancel_action_menu" model="ir.values">
            <field eval="'client_action_multi'" name="key2"/>
            <field eval="'sale.order'" name="model"/>
            <field name="name">Cancel</field>
            <field eval="'ir.actions.server,%d'%action_cancel_request" name="value"/>
        </record>

        ....

    </data>
</openerp>

In your sale order model create the method as bellow with Odoo new API.

    ...

    @api.multi
    def action_cancel(self):
        if self.env.context.get('active_ids', False):
            sale_order_ids = self.browse(self.env.context.get('active_ids'))
            for sale_order in sale_order_ids:
                sale_order.update({'state': 'cancel'})

    ...

Restart odoo and upgrade your module, you’ll have now cancel menu on your sales order tree view.

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