contract/agreement_account/views/sale_agreement.xml

<?xml version="1.0"?>
<!--
  © 2017 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-->

<odoo>


<record id="sale_agreement_form" model="ir.ui.view">
    <field name="name">sale.agreement.form</field>
    <field name="model">sale.agreement</field>
    <field name="arch" type="xml">
        <form string="Sale Agreement">
            <div class="oe_button_box" name="button_box">
                <button name="toggle_active" type="object"
                    class="oe_stat_button" icon="fa-archive">
                    <field name="active" widget="boolean_button"
                        options='{"terminology": "archive"}'/>
                </button>
            </div>
            <group name="main">
                <field name="partner_id"/>
                <field name="name"/>
                <field name="code"/>
                <field name="signature_date"/>
                <field name="company_id" groups="base.group_multi_company"/>
            </group>
            <group string="Invoices" name="invoices">
                <field name="invoice_ids" nolabel="1"/>
            </group>
        </form>
    </field>
</record>

<record id="sale_agreement_tree" model="ir.ui.view">
    <field name="name">sale.agreement.tree</field>
    <field name="model">sale.agreement</field>
    <field name="arch" type="xml">
        <tree string="Sale Agreements">
            <field name="partner_id"/>
            <field name="code"/>
            <field name="name"/>
            <field name="signature_date"/>
            <field name="company_id" groups="base.group_multi_company"/>
        </tree>
    </field>
</record>

<record id="sale_agreement_search" model="ir.ui.view">
    <field name="name">sale.agreement.search</field>
    <field name="model">sale.agreement</field>
    <field name="arch" type="xml">
        <search string="Search Sale Agreements">
            <field name="name" filter_domain="['|', ('name', 'ilike', self), ('code', 'ilike', self)]" string="Name or Number"/>
            <field name="partner_id"/>
            <filter name="inactive" string="Archived" domain="[('active', '=', False)]"/>
            <group name="groupby">
                <filter name="partner_groupby" string="Customer"
                    context="{'group_by': 'partner_id'}"/>
                <filter name="signature_date_groupby" string="Signature Date"
                    context="{'group_by': 'signature_date'}"/>
            </group>
        </search>
    </field>
</record>

<record id="sale_agreement_action" model="ir.actions.act_window">
    <field name="name">Sale Agreements</field>
    <field name="res_model">sale.agreement</field>
    <field name="view_mode">tree,form</field>
</record>

<menuitem id="sale_agreement_menu" action="sale_agreement_action"
    parent="account.account_management_menu" sequence="100"/>

</odoo>