server-tools/base_user_role/views/role.xml

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

<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"/>

</odoo>