partner-contact/partner_address_ldap/company_view.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <record model="ir.ui.view" id="view_company_for_ldap">
            <field name="name">res.company.form</field>
            <field name="model">res.company</field>
            <field name="inherit_id" ref="base.view_company_form"/>
            <field name="type">form</field>
            <field name="arch" type="xml">
                <page string="Configuration" position="after">
                    <page string="LDAP">
                        <field name="ldap_active" />
                        <field name="is_activedir" attrs="{'readonly':[('ldap_active', '=', False)]}"/>
                        <field name="ldap_server" attrs="{'readonly':[('ldap_active', '=', False)]}"/>
                        <field name="ldap_port" attrs="{'readonly':[('ldap_active', '=', False)]}"/>
                        <field name="base_dn" attrs="{'readonly':[('ldap_active', '=', False)]}"/>
                        <field name="contact_dn" attrs="{'readonly':[('ldap_active', '=', False)]}"/>
                        <field name="ounit" attrs="{'readonly':[('ldap_active', '=', False)]}"/>
                        <field name="passwd" attrs="{'readonly':[('ldap_active', '=', False)]}"/>
                    </page>
                </page>
            </field>
        </record>
    </data>
</openerp>