bank-payment/account_payment_order/views/account_payment_line.xml

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


<record id="account_payment_line_form" model="ir.ui.view">
    <field name="name">account.payment.line.form</field>
    <field name="model">account.payment.line</field>
    <field name="arch" type="xml">
        <form string="Payment Lines">
            <group name="main" col="2">
                <group name="left">
                    <field name="order_id" invisible="not context.get('account_payment_line_main_view')"/>
                    <field name="name"/>
                    <field name="move_line_id"
                        domain="[('reconciled','=', False), ('account_id.reconcile', '=', True)] "/> <!-- we removed the filter on amount_to_pay, because we want to be able to select refunds -->
                    <field name="date"/>
                    <field name="ml_maturity_date" readonly="1"/>
                    <field name="amount_currency"/>
                    <field name="currency_id"/>
                    <field name="partner_id"/>
                    <field name="partner_bank_id"
                           context="{'default_partner_id': partner_id}"
                           domain="[('partner_id', '=', partner_id), '|', ('company_id', '=', company_id), ('company_id', '=', False)]"
                           attrs="{'required': [('bank_account_required', '=', True)]}"
                    />
                    <field name="bank_account_required" invisible="1"/>
                    <field name="communication_type"/>
                    <field name="communication"/>
                </group>
                <group name="right">
                    <field name="company_id" widget="selection" groups="base.group_multi_company"/>
                    <field name="amount_company_currency"/>
                    <field name="company_currency_id" invisible="1"/>
                    <field name="bank_line_id"/>
                    <field name="payment_type" invisible="1"/>
                </group>
            </group>
        </form>
    </field>
</record>

<record id="account_payment_line_tree" model="ir.ui.view">
    <field name="name">account.payment.line.tree</field>
    <field name="model">account.payment.line</field>
    <field name="arch" type="xml">
        <tree string="Payment Lines">
            <field name="order_id" invisible="not context.get('account_payment_line_main_view')"/>
            <field name="partner_id"/>
            <field name="communication"/>
            <field name="partner_bank_id"/>
            <field name="move_line_id" invisible="1"/>
            <field name="ml_maturity_date"/>
            <field name="date"/>
            <field name="amount_currency" string="Amount"/>
            <field name="currency_id"/>
            <field name="name"/>
            <field name="amount_company_currency" sum="Total in Company Currency" invisible="1"/>
            <field name="payment_type" invisible="1"/>
        </tree>
    </field>
</record>

<record id="account_payment_line_action" model="ir.actions.act_window">
    <field name="name">Payment Lines</field>
    <field name="res_model">account.payment.line</field>
    <field name="view_mode">tree,form</field>
    <field name="context">{'account_payment_line_main_view': True}</field>
</record>


</flectra>