odoo/addons/base_calendar/base_calendar_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
	<data>
	
		<record id="view_calendar_form" model="ir.ui.view">
			<field name="name">Basic Calendar</field>
			<field name="model">basic.calendar</field>
			<field name="type">form</field>
			<field name="arch" type="xml">
				<form string="Basic Calendar">                    
					<field name="name" required="1" />
                    <field name="line_ids" mode="form,tree" colspan="4" nolabel="1">
					    <form string="Calendar Lines">
					        <field name="name" required="1" select="1" />
					        <field name="object_id" required="1" select="1" />					        
					        <field name="mapping_ids" select="1" colspan="4" nolabel="1">
						        <tree string="Attributes Mapping" editable="bottom">
							        <field name="name" required="1" domain="[('type', '=', parent.name)]"/>
							        <field name="fn" select="1" />
							        <field name="field_id" select="1" domain="[('model_id', '=', parent.object_id)]" />
							        <field name="expr" />
						        </tree>
						        <form string="Attributes Mapping">
							        <field name="name" select="1" required="1" domain="[('type', '=', parent.name)]"/>
							        <field name="field_id" select="1" domain="[('model_id', '=', parent.object_id)]"
								        required="1" />
							        <field name="fn" select="1" required="1" />
							        <field name="expr" />							        
						        </form>
					        </field>
				        </form>				
                        <tree string="Attributes Mapping" editable="bottom">
					        <field name="name" select="1" />
					        <field name="object_id" select="1" />					        
				        </tree>
                    </field>
				</form>
			</field>
		</record>

		

		<record id="action_view_calendar" model="ir.actions.act_window">
            <field name="name">Calendar</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">basic.calendar</field>
            <field name="view_type">form</field>
            <field name="view_mode">tree,form</field>
        </record>

		<menuitem id="menu_calendar_configuration" name="Calendar"
			parent="base.menu_base_config" sequence="10" />
		
		<menuitem id="menu_calendar"
			name="Calendar" parent="menu_calendar_configuration"
			sequence="5" action="action_view_calendar" />

	</data>
</openerp>