library/library_checkout/views/checkout_view.xml

<?xml version="1.0" ?>
<odoo>
    <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 name="request_date" />
                <field name="member_id" />
                <field name="checkout_date" />
                <field name="stage_id" />
                <field name="num_books" sum="# Books" />
            </tree>
        </field>
    </record>

    <record id="view_form_checkout" model="ir.ui.view">
        <field name="name">Checkout Form</field>
        <field name="model">library.checkout</field>
        <field name="arch" type="xml">
            <form>
                <header>
                    <!-- <field name="state" widget="statusbar" clickable="True" /> -->
                    <field name="stage_id"
                        widget="statusbar"
                        options="{'clickable': '1', 'fold_field': 'fold'}" />
                    <field name="state" invisible="True" />
                    <button name="button_done"
                        string="Return book"
                        attrs="{'invisible':[('state','in',['done'])]}"
                        class="oe_highlight" />
                </header>
                <sheet>
                    <group>
                        <div class="oe_title">
                            <field name="kanban_state" widget="state_selection" />
                        </div>
                        <h1><field name="priority" widget="priority" /></h1>
                        <field name="state" />
                        <field name="member_id" />
                        <field name="request_date" />
                        <field name="user_id" />
                        <field name="line_ids" />
                    </group>
                    <!-- mail mixin fields -->
                    <div class="oe_chatter">
                        <field name="message_follower_ids" widget="mail_followers" />
                        <field name="activity_ids" widget="mail_activity" />
                        <field name="message_ids" widget="mail_thread" />
                    </div>
                </sheet>
            </form>
        </field>
    </record>
    <record id="view_filter_checkout" model="ir.ui.view">
        <field name="model">library.checkout</field>
        <field name="arch" type="xml">
            <search>
                <field name="member_id" />
                <field name="user_id" />
                <filter name="filter_not_done"
                    string="To Return"
                    domain="[('state','=','open')]" />
                <filter name="filter_my_checkouts"
                    string="My Checkouts"
                    domain="[('user_id', '=', uid)]" />
                <filter name="group_user"
                    string="By Member"
                    context="{'group_by': 'member_id'}" />
            </search>
        </field>
    </record>
    <record id="view_calendar_checkout" model="ir.ui.view">
        <field name="model">library.checkout</field>
        <field name="arch" type="xml">
            <calendar date_start="request_date"
                color="user_id">
                <field name="member_id" />
                <field name="stage_id" />
            </calendar>
        </field>
    </record>
    <record id="view_pivot_checkout" model="ir.ui.view">
        <field name="model">library.checkout</field>
        <field name="arch" type="xml">
            <pivot>
                <field name="stage_id" type="col" />
                <field name="member_id" />
                <field name="request_date" interval="week" />
                <field name="num_books" type="measure" />
            </pivot>
        </field>
    </record>
    <record id="view_graph_checkout" model="ir.ui.view">
        <field name="model">library.checkout</field>
        <field name="arch" type="xml">
            <graph type="bar">
                <field name="stage_id" />
                <field name="num_books" type="measure" />
            </graph>
        </field>
    </record>
</odoo>