<group>
<group>
<field name="user_id" attrs="{'readonly':[('state','in',['done', 'cancelled'])]}"/>
<group>
<group>
<field name="user_id" attrs="{'readonly':[('state','in',['done', 'cancelled'])]}"/>
- <field name="project_id" on_change="onchange_project(project_id)"/>
<field name="company_id" groups="base.group_multi_company" widget="selection"/>
</group>
<group>
<field name="company_id" groups="base.group_multi_company" widget="selection"/>
</group>
<group>