مرتب سازی لیست با استفاده از ویجت handle

class SdEmployeeGate(models.Model):
    _name = 'sd_employee.gate'
    _description = 'Gate in a Building'
    _order = 'sequence,id asc'
    sequence = fields.Integer('Sequence', default=10)

        <record model="ir.ui.view" id="sd_employee_gate_list">
            <field name="name">sd_employee Gate List</field>
            <field name="model">sd_employee.gate</field>
            <field name="arch" type="xml">
                <tree editable="top">
                    <field name="sequence" widget="handle"/>
                    <field name="name"/>
                    <field name="location"/>
                    <field name="devices" widget="many2many_tags"/>
                    <field name="users" widget="many2many_avatar_user"/>
                </tree>
            </field>
        </record>