base_user_role/views/role.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2014 ABF OSIELL <http://osiell.com>
     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
<openerp>
    <data>

        <record id="view_res_users_role_form" model="ir.ui.view">
            <field name="name">res.users.role.form</field>
            <field name="model">res.users.role</field>
            <field name="arch" type="xml">
                <form string="Role" version="7.0">
                    <sheet>
                        <group>
                            <field name="name"/>
                            <field name="group_id" required="0" readonly="1"/>
                        </group>
                        <notebook>
                            <page string="Groups">
                                <field name="implied_ids" nolabel="1"/>
                            </page>
                            <page string="Users">
                                <field name="line_ids" nolabel="1">
                                    <tree editable="bottom" colors="grey: not is_enabled;">
                                        <field name="user_id"/>
                                        <field name="date_from"/>
                                        <field name="date_to"/>
                                        <field name="is_enabled"/>
                                    </tree>
                                </field>
                            </page>
                        </notebook>
                    </sheet>
                </form>
            </field>
        </record>

        <record id="view_res_users_role_tree" model="ir.ui.view">
            <field name="name">res.users.role.tree</field>
            <field name="model">res.users.role</field>
            <field name="arch" type="xml">
                <tree string="Role">
                    <field name="name"/>
                    <field name="user_ids"/>
                </tree>
            </field>
        </record>

        <record id="view_res_users_role_search" model="ir.ui.view">
            <field name="name">res.users.role.search</field>
            <field name="model">res.users.role</field>
            <field name="arch" type="xml">
                <search string="Roles">
                    <field name="name"/>
                    <field name="user_ids"/>
                    <field name="implied_ids"/>
                </search>
            </field>
        </record>

        <record model="ir.actions.act_window" id="action_res_users_role_tree">
            <field name="name">Roles</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">res.users.role</field>
            <field name="view_type">form</field>
            <field name="view_id" ref="view_res_users_role_tree"/>
        </record>

        <menuitem id="menu_action_res_users_role_tree"
            parent="base.menu_users"
            action="action_res_users_role_tree"/>

    </data>
</openerp>