Usage

By itself, this module does not modify the behavior of Odoo.

To use the feature for a given model, you must define a boolean field trash_widget_invisible on it. Typically, it is a computed field.

Here is an example with a sale order line.

from odoo import api, fields, models


class SaleOrderLine(models.Model):

    _inherit = 'sale.order.line'

    trash_widget_invisible = fields.Boolean(compute="_compute_trash_widget_invisible")

    @api.depends('qty_delivered')
    def _compute_trash_widget_invisible(self):
        for line in self:
            line.trash_widget_invisible = bool(line.qty_delivered)

In this example, the widget is invisible if the product was delivered (fully or partially).

In the list view, you must add the field trash_widget_invisible, otherwise, it will not be used.

<record id="sale_order_form" model="ir.ui.view">
    <field name="name">sale.order.form</field>
    <field name="model">sale.order</field>
    <field name="inherit_id" ref="sale.view_order_form"/>
    <field name="arch" type="xml">
        <xpath expr="//field[@name='order_line']/tree" position="inside">
            <field name="trash_widget_invisible" invisible="1"/>
        </xpath>
    </field>
</record>

Here is the result:

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