project_view.xml

<openerp>
    <data>
<!-- FUNCTIONAL BLOCK TO TASK -->
        <record id="view_task_functional_block_form" model="ir.ui.view">
            <field name="name">project.task.functional_block.form</field>
            <field name="model">project.task</field>
            <field name="type">form</field>
            <field name="inherit_id" ref="project.view_task_form2"/>
            <field name="arch" type="xml">
                <xpath expr="/form/sheet/group/group/field[@name='progress']" position="after">
                    <field name="functional_block_id"/>
                </xpath>
            </field>
        </record>
        
        <record id="view_task_tree2" model="ir.ui.view">
            <field name="name">project.task.tree.functional_block</field>
            <field name="model">project.task</field>
            <field name="type">tree</field>
            <field name="inherit_id" ref="project.view_task_tree2"/>
            <field name="arch" type="xml">
                <field name="user_id" position="after">
                    <field name="functional_block_id"/>
                </field>
            </field>
        </record>
        
        <record id="view_task_search_form_fb" model="ir.ui.view">
            <field name="name">project.task.functional.search</field>
            <field name="model">project.task</field>
            <field name="type">search</field>
            <field name="inherit_id" ref="project.view_task_search_form"/>
            <field name="arch" type="xml">
                <xpath expr="//field[@name='name']" position="after">
                    <field name="functional_block_id" select="1"/>
                </xpath>
                <xpath expr="//filter[@string='Project']" position="after">
                	<separator orientation="vertical"/>
                    <filter string="Functional Block" icon="terp-gtk-jump-to-ltr" domain="[]" context="{'group_by':'functional_block_id'}"/>
                </xpath>
            </field>
        </record>

<!-- FUNCTIONAL BLOCK -->
		<!-- Search view for software module -->
		<record id="funct_block_search_view" model="ir.ui.view">
            <field name="name">project.functional.block.search</field>
            <field name="model">project.functional.block</field>
            <field name="type">search</field>
            <field name="arch" type="xml">
                <search string="Search software's module">                
                    <separator orientation="vertical"/>                 
                    <field name="name" select='1'/>                    
                    <field name="parent_id" select='1'/>
                    <newline/>
                    <group expand="0" string="Group By...">
                        <filter string="Parent" icon="terp-partner"
                            domain="[]" help="Parent"
                            context="{'group_by':'parent_id'}" />                            
                    </group>                                    
                </search>
            </field>
        </record>
        
		<!-- tree view for functional block -->
		<record model="ir.ui.view" id="funct_block_list_view">
			<field name="name">project.functional.block.list</field>
			<field name="model">project.functional.block</field>
			<field name="type">tree</field>
			<field name="arch" type="xml">
			   <tree string="Functionality categories" >				
					<field name="name"/>
					<field name="parent_id"/>
                    <field name="sequence" invisible="True"/>
			   </tree>
			</field>			   
		</record>
		
		<!-- Form view for functional block -->
		<record model="ir.ui.view" id="funct_categ_form_view">
			<field name="name">project.functional.block.form</field>
			<field name="model">project.functional.block</field>
			<field name="type">form</field>
			<field name="arch" type="xml">
                <form string="Functional block" version="7.0">
                    <group>
					    <field name="name"/>
					    <field name="parent_id"/>
                    </group>
                    <separator string="Block description"/>
                    <field name="description"/>
			   </form>
			</field>			   
		</record>
		
		<!-- OPEN BLOCK LIST -->	
		<record model="ir.actions.act_window" id="action_funct_block_list">
			<field name="name">Functional block list</field>
			<field name="res_model">project.functional.block</field>
			<field name="view_type">form</field> 
			<field name="view_mode">tree,form</field> 
			<field name="view_id" ref="funct_block_list_view"/>
			<field name="search_view_id" ref="funct_block_search_view"/>
		</record> 

	<menuitem name="Functional blocks" id="menu_functional_blocks" parent="base.menu_main_pm" sequence="50"/>		
	<menuitem name="Functional blocks" parent="menu_functional_blocks" id="menu_functional_blocks_list" action="action_funct_block_list" sequence="10"/> 				
		
    </data>
</openerp>