<form model="clinic.dialyzer" attrs='{"readonly":[["state","in",["cancelled","drop","active"]]]}' show_company="1">
    <head>
        <field name="state"/>
        <button string="Options" dropdown="1">
            <item string="Copy" method="copy" states="active"/>
            <item string="To Draft" method="to_draft" states="drop,active"/>
        </button>
    </head>
    <group span="6" columns="1">
        <field name="number"/>
        <field name="name"/>
        <field name="patient_id" required="1" onchange="onchange_patient"/>
        <field name="department_id" required="1"/>
        <field name="date"/>
        <field name="exp_date"/>
        <field name="membrane_type" required="1"/>
    </group>
    <group span="6" columns="1">
        <field name="product_id" onchange="onchange_product"/>
        <field name="dialyzer_type"/>
        <field name="use_time"/>
        <field name="max_use_time"/>
        <field name="note"/>
        <field name="company_id" invisible="1"/>
    </group>
    <group span="6" columns="1">
    </group>
    <group span="6" columns="1">
        <template>
            <div><b>Note:</b> 'Use time' will count automatic after finish HD Case.</div>
        </template>
    </group>
    <foot>
        <button string="Validate" type="success" states="new" method="validate"/>
        <button string="Drop" type="danger" icon="remove" states="active" method="drop"/>
    </foot>
    <related>
        <field name="pickings" click_action="view_picking"/>
        <field name="hd_cases" readonly="1"/>
    </related>
</form>