server-tools/sql_export_email/ir_actions_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record id="view_server_action_form" model="ir.ui.view">
            <field name="name">Server Action (sql_export_email)</field>
            <field name="model">ir.actions.server</field>
            <field name="inherit_id" ref="base_export_email.view_server_action_form"/>
            <field name="arch" type="xml">
                <field name="state" position="attributes">
                    <attribute name="on_change">onchange_state(state, context)</attribute>
                </field>
                <field name="model_id" position="attributes">
                    <attribute name="attrs">{'invisible': [('state', '=', 'sql_export_email')]}</attribute>
                </field>
                <field name="srcmodel_id" position="attributes">
                    <attribute name="attrs">{'required': [('state','!=','sql_export_email'),
                                                          ('state','!=','export_email'),
                                                          ('state','!=','dummy'),
                                                          ('state','!=','sms'),
                                                          ('state','!=','code'),
                                                          ('state','!=','loop'),
                                                          ('state','!=','trigger'),
                                                          ('state','!=','object_copy'),
                                                          ('state','!=','client_action'),
                                                          ('state','!=','email'),
                                                          ('state','!=','sms'),
                                                          ('state','!=','other')]}</attribute>
                </field>
                <page string="Export data by email configuration" position="attributes">
                    <attribute name="attrs">{'invisible':[('state','!=','export_email'),
                                                          ('state','!=','sql_export_email')]}</attribute>
                </page>
                <xpath expr="//page[@string='Export data by email configuration']/group" position='inside'>
                    <field name ="sql_export_id" attrs="{'required': [('state', '=', 'sql_export_email')],
                                                         'invisible': [('state', '!=', 'sql_export_email')]}" />
                </xpath>
                <field name="email_template_id" position="attributes">
                    <attribute name="attrs">{'required':['|', ('state','=','export_email'),
                                                              ('state','=','sql_export_email')]}</attribute>
                </field>
                <field name="export_format" position="attributes">
                    <attribute name="attrs">{'invisible':[('state','!=','export_email')],
                                             'required':[('state','=','export_email')]}</attribute>
                </field>
                <field name="filter_id" position="attributes">
                    <attribute name="attrs">{'invisible':[('state','!=','export_email')]}</attribute>
                </field>
                <field name ="fields_to_export" position="attributes">
                    <attribute name="attrs">{'invisible':[('state','!=','export_email')],
                                             'required': [('state', '=', 'export_email'), ('saved_export_id', '=', False)]}</attribute>
                </field>
                <field name ="saved_export_id" position="attributes">
                    <attribute name="attrs">{'invisible':[('state','!=','export_email')],
                                             'required': [('state', '=', 'export_email'), ('fields_to_export', '=', False)]}</attribute>
                </field>

            </field>
        </record>
    </data>
</openerp>