base_external_dbsource_view.xml

<?xml version="1.0"?>
<openerp>
    <data>

        <!-- DBSource -->

        <record model="ir.ui.view" id="view_dbsource_tree">
            <field name="name">base.external.dbsource.tree</field>
            <field name="model">base.external.dbsource</field>
            <field name="type">tree</field>
            <field name="arch" type="xml">
                <tree string="External DB Sources">
                    <field name="name"/>
		    <field name="connector"/>
		    <field name="conn_string"/>
                </tree>
            </field>
        </record>
        
        <record model="ir.ui.view" id="view_dbsource_form">
            <field name="name">base.external.dbsource.form</field>
            <field name="model">base.external.dbsource</field>
            <field name="arch" type="xml">
                <form string="External DB Source" version="7.0">
                <sheet>
                    <group>
                        <group>
                        <field name="name"/>
                        </group>
                        <group>
                        <field name="password" password="True"/>
                        </group>
                    </group>
                    <group col="1">
		                <field name="connector"/>
		                <field name="conn_string"/>
                        <button name="connection_test" string="Test Connection" type="object" icon="gtk-network"/>
                    </group>
                </sheet>
                </form>
            </field>
        </record>

        <record model="ir.actions.act_window" id="action_dbsource">
            <field name="name">External Database Sources</field>
            <field name="res_model">base.external.dbsource</field>
            <field name="view_type">form</field>
            <field name="view_mode">tree,form</field>
            <field name="view_id" ref="view_dbsource_tree"/>
        </record>

        <menuitem name="Database Sources"
                  id="menu_dbsource" 
                  parent="base.next_id_9" 
                  action="action_dbsource"/>

    </data>
</openerp>