farm/views/event_order.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
	<data>
		<record model="ir.ui.view" id="view_event_order_tree">
			<field name="name">event_order.tree</field>
			<field name="model">farm.event.order</field>
			<field name="type">tree</field>
			<field name="arch" type="xml">
				<tree string="Event order">
					<field name="name" />
					<field name="animal_type" />
					<field name="event_type" />
					<field name="state" />
				</tree>
			</field>
		</record>
		<record model="ir.ui.view" id="view_event_order_form">
            <field name="name">event_order.form</field>
            <field name="model">farm.event.order</field>
            <field name="type">form</field>
            <field name="arch" type="xml">
                <form>
                <header>
                    <field name="state" widget="statusbar" />
                    <button name="confirm" states="draft" 
                        string="Confirm Order" id="draft_confirm"
                        type="object" />
                </header>
                <sheet>
                    <group>
                        <field name="name" attrs="{'readonly': [('name', '!=', '*')]}"/>
                        <field name="specie" attrs="{
                            'readonly':[('state','=','validated')]}"/>
                        <field name="farm" attrs="{
                            'readonly':[('state','=','validated')]}"/>
                        <field name="timestamp"
                            attrs="{'readonly':[('state','=','validated')]}"/>
                        <field name="event_type"
                            attrs="{'readonly':[('state','=','validated')]}"/>
                        <field name="animal_type"
                            attrs="{'readonly':[('state','=','validated')]}"/>
                        <field name="medication_events"
                            attrs="{'invisible':[('event_type','!=','medication')],
                            'readonly':[('state','=','validated')]}"/>
                        <field name="feed_events"
                            attrs="{'invisible':[('event_type','!=','feed')],
                            'readonly':[('state','=','validated')]}"/>
                        <field name="insemination_events"
                            attrs="{'invisible':[('event_type','!=','insemination')],
                            'readonly':[('state','=','validated')]}"/>
                        <field name="pregnancy_diagnosis_events"
                            attrs="{'invisible':[('event_type','!=','pregnancy_diagnosis')],
                            'readonly':[('state','=','validated')]}"/>
                        <field name="abort_events"
                            attrs="{'invisible':[('event_type','!=','abort')],
                            'readonly':[('state','=','validated')]}"/>
                        <field name="farrowing_events"
                            attrs="{'invisible':[('event_type','!=','farrowing')],
                            'readonly':[('state','=','validated')]}"/>
                        <field name="foster_events"
                            attrs="{'invisible':[('event_type','!=','foster')],
                            'readonly':[('state','=','validated')]}"/>
                        <field name="weaning_events"
                            attrs="{'invisible':[('event_type','!=','weaning')],
                            'readonly':[('state','=','validated')]}"/>
                        <field name="trasformation_events"
                            attrs="{'invisible':[('event_type','!=','trasformation_event')],
                            'readonly':[('state','=','validated')]}"/>
                        <field name="notes"/>
                    </group>
                </sheet>
                </form>
            </field>
        </record>
	</data>
</openerp>