manufacture/mrp_multi_level/views/mrp_product_view.xml

<?xml version="1.0"?>
<odoo>

    <record model="ir.ui.view" id="mrp_product_tree">
        <field name="name">mrp.product.tree</field>
        <field name="model">mrp.product</field>
        <field name="type">tree</field>
        <field name="arch" type="xml">
            <tree string="MRP Products">
                <field name="mrp_area_id"/>
                <field name="product_id"/>
                <field name="mrp_verified"/>
                <field name="mrp_move_ids"/>
                <field name="nbr_mrp_actions_4w"/>
                <field name="nbr_mrp_actions"/>
                <field name="supply_method"/>
                <field name="main_supplier_id"/>
                <field name="mrp_llc" invisible="True"/>
            </tree>
        </field>
    </record>

    <record model="ir.ui.view" id="mrp_product_form">
        <field name="name">mrp.product.form</field>
        <field name="model">mrp.product</field>
        <field name="type">form</field>
        <field name="arch" type="xml">
            <form string="MRP Product">
                <group colspan="4" col="2">
                    <group>
                        <field name="mrp_area_id" readonly="True"/>
                        <field name="product_id" readonly="True"/>
                        <field name="product_tmpl_id" readonly="True"/>
                        <field name="mrp_verified" readonly="True"/>
                        <field name="supply_method" readonly="True"/>
                        <!--<field name="purchase_requisition" readonly="True"/>-->
                        <field name="main_supplier_id" readonly="True"/>
                        <field name="mrp_lead_time" readonly="True"/>
                        <field name="mrp_nbr_days" readonly="True"/>
                        <field name="mrp_transit_delay" readonly="True"/>
                        <field name="mrp_inspection_delay" readonly="True"/>
                    </group>
                    <group>
                        <field name="mrp_llc" readonly="True"/>
                        <field name="mrp_qty_available" readonly="True"/>
                        <field name="current_qty_available" readonly="True"/>
                        <field name="mrp_minimum_stock" readonly="True"/>
                        <field name="mrp_minimum_order_qty" readonly="True"/>
                        <field name="mrp_maximum_order_qty" readonly="True"/>
                        <field name="mrp_qty_multiple" readonly="True"/>
                    </group>
                </group>
                <group colspan="2" col="2">
                    <separator string="Moves"/>
                    <field name="mrp_move_ids" nolabel="1" colspan="2" context="{'default_mrp_product_id': active_id}" readonly="True">
                        <tree string="Moves" colors="red:running_availability > mrp_minimum_stock">
                            <field name="mrp_area_id" invisible="True"/>
                            <field name="mrp_product_id" invisible="True"/>
                            <field name="mrp_action_date" readonly="True"/>
                            <field name="mrp_date" readonly="True"/>
                            <field name="current_date" readonly="True"/>
                            <field name="mrp_origin" readonly="True"/>
                            <field name="state" readonly="True"/>
                            <field name="mrp_order_number" readonly="True"/>
                            <field name="parent_product_id" readonly="True"/>
                            <field name="name" readonly="True"/>
                            <field name="mrp_qty" readonly="True"/>
                            <field name="current_qty" readonly="True"/>
                            <field name="running_availability" readonly="True"/>
                            <field name="mrp_minimum_stock" invisible="True"/>
                            <field name="mrp_action" readonly="True"/>
                            <field name="mrp_type" readonly="True"/>
                            <field name="mrp_move_up_ids" readonly="True"/>
                            <field name="mrp_processed" invisible="True"/>
                        </tree>
                        <form string="Moves">
                            <group colspan="4" col="2">
                                <group>
                                    <field name="mrp_area_id"
                                           invisible="True"/>
                                    <field name="mrp_product_id" invisible="True"/>
                                    <field name="mrp_qty" readonly="True"/>
                                    <field name="current_qty" readonly="True"/>
                                    <field name="mrp_date" readonly="True"/>
                                    <field name="current_date" readonly="True"/>
                                    <field name="mrp_action" readonly="True"/>
                                    <field name="mrp_type" readonly="True"/>
                                </group>
                                <group>
                                    <field name="production_id" readonly="True"/>
                                    <field name="purchase_order_id" readonly="True"/>
                                    <field name="stock_move_id" readonly="True"/>
                                    <field name="mrp_processed" invisible="True"/>
                                </group>
                            </group>
                            <group colspan="2" col="2">
                                <field name="mrp_move_up_ids">
                                    <tree string="Moves">
                                        <field name="mrp_area_id"
                                               invisible="True"/>
                                        <field name="mrp_product_id" readonly="True"/>
                                        <field name="mrp_date" readonly="True"/>
                                        <field name="current_date" readonly="True"/>
                                        <field name="mrp_origin" readonly="True"/>
                                        <field name="state" readonly="True"/>
                                        <field name="mrp_order_number" readonly="True"/>
                                        <field name="parent_product_id" readonly="True"/>
                                        <field name="name" readonly="True"/>
                                        <field name="mrp_qty" readonly="True"/>
                                        <field name="current_qty" readonly="True"/>
                                        <field name="running_availability" readonly="True"/>
                                        <field name="mrp_action" readonly="True"/>
                                        <field name="mrp_type" readonly="True"/>
                                        <field name="mrp_move_up_ids" readonly="True"/>
                                    </tree>
                                </field>
                            </group>
                        </form>
                    </field>
                </group>
            </form>
        </field>
    </record>

    <record model="ir.ui.view" id="mrp_search_form">
        <field name="name">mrp.filter.form</field>
        <field name="model">mrp.product</field>
        <field name="type">search</field>
        <field name="arch" type="xml">
            <search string="Search Product">
                <group expand="0" string="Selection...">
                    <field name="product_id" select='1'/>
                    <field name="mrp_area_id"/>
                </group>
                <separator/>
                <filter string="With Moves" name="moves" domain="[['mrp_move_ids','!=',False]]"/>
                <filter string="With Actions in Coming 4 Weeks" name="actions4w" domain="[['nbr_mrp_actions_4w','!=',0]]"/>
                <filter string="With Actions" name="actions" domain="[['nbr_mrp_actions','!=',0]]"/>
                <filter string="Purchase Actions" domain="[['supply_method','=','buy'],['nbr_mrp_actions','!=',0]]"/>
                <filter string="Manufacture Actions" domain="[['supply_method','=','manufacture'],['nbr_mrp_actions','!=',0]]"/>
                <separator/>
                <group expand="0" string="Group By...">
                    <filter string="Supply Method" context="{'group_by':'supply_method'}"/>
                    <filter string="Main Supplier" context="{'group_by':'main_supplier_id'}"/>
                    <filter string="Low Level Code" context="{'group_by':'mrp_llc'}"/>
                </group>
            </search>
        </field>
    </record>

    <record model="ir.actions.act_window" id="mrp_product_action">
        <field name="name">MRP Products</field>
        <field name="res_model">mrp.product</field>
        <field name="type">ir.actions.act_window</field>
        <field name="view_type">form</field>
        <field name="view_mode">tree,form</field>
        <field name="view_id" ref="mrp_product_tree"/>
        <field name="search_view_id" ref="mrp_search_form"/>
    </record>

</odoo>