contract/contract_purchase/views/contract_view.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <record id="account_analytic_account_purchase_form" model="ir.ui.view">
            <field name="name">account.analytic.account.purchase.form</field>
            <field name="model">account.analytic.account</field>
            <field name="inherit_id" ref="analytic.view_account_analytic_account_form"/>
            <field name="mode">primary</field>
            <field name="priority" eval="20"/>
            <field name="arch" type="xml">
                <field name="partner_id" position="attributes">
                    <attribute name="string">Vendor</attribute>
                    <attribute name="domain">[('supplier', '=', True)]</attribute>
                    <attribute name="context">{
                        'default_customer': False,
                        'default_supplier': True
                    }</attribute>
                </field>
                <field name="product_id" position="attributes">
                    <attribute name="domain">[('purchase_ok', '=', True)]</attribute>
                </field>
            </field>
        </record>

        <record id="action_account_analytic_purchase_overdue_all" model="ir.actions.act_window">
            <field name="name">Contracts</field>
            <field name="res_model">account.analytic.account</field>
            <field name="view_type">form</field>
            <field name="view_mode">tree,form</field>
            <field name="view_ids" eval="[(5, 0, 0),
                (0, 0, {'view_mode': 'tree'}),
                (0, 0, {'view_mode': 'form', 'view_id': ref('account_analytic_account_purchase_form')})
            ]"/>
            <field name="domain">[('type', '=', 'purchase')]</field>
            <field name="context">{
                'search_default_active':1,
                'search_default_recurring_invoices':1,
                'default_type': 'purchase'
            }</field>
            <!--<field name="search_view_id" ref="analytic.view_account_analytic_account_search"/>-->
            <field name="help" type="html">
                <p class="oe_view_nocontent_create">
                    Click to create a new purchase contract.
                </p>
            </field>
        </record>

        <menuitem action="action_account_analytic_purchase_overdue_all"
            id="menu_action_account_analytic_purchase_overdue_all" sequence="8"
            parent="purchase.menu_procurement_management"/>
    </data>
</openerp>