List views

At this point, list views should need little introduction, but they still have some interesting additional attributes to be discussed.

In the library_checkout/views/checkout_view.xml file, we'll be replacing the basic list view created in Chapter 8, Business Logic - Supporting Business Processes, with this improved version:

  <record id="view_tree_checkout" model="ir.ui.view">
    <field name="name">Checkout Tree</field>
    <field name="model">library.checkout</field>
    <field name="arch" type="xml">
        <tree
          decoration-muted="state in ['done', 'cancel']"
          decoration-bf="state=='open'"
          >
            <field name="state" invisible="True" />
            <field...