qty_at_date_widget.xml

<?xml version="1.0" encoding="utf-8" ?>
<templates>
    <t t-name="sale_stock.qtyAtDate" owl="1">
        <div t-att-class="!props.record.data.display_qty_widget ? 'invisible' : ''">
            <a t-att-tabindex="props.record.data.display_qty_widget ? '0' : '-1'" t-on-click="showPopup"
                t-attf-class="fa fa-area-chart {{ props.record.data.free_qty_today &lt; props.record.data.qty_to_deliver ? 'text-danger' : 'text-primary' }}"/>
        </div>
    </t>
</templates>