<?xml version="1.0"?>
<search string="Search modules">
                    <field name="name" filter_domain="['|', '|', ('summary', 'ilike', self), ('shortdesc', 'ilike', self), ('name',                         'ilike', self)]" string="Module"/>
                    <filter name="app" string="Apps" domain="[('application', '=', True)]"/>
                    <filter name="extra" string="Extra" domain="[('application', '=', False)]"/>
                    <separator/>
                    <filter name="installed" string="Installed" domain="[('state', 'in', ['installed', 'to upgrade', 'to remove'])]"/>
                    <filter name="not_installed" string="Not Installed" domain="[('state', 'in', ['uninstalled', 'uninstallable', 'to install'])]"/>
                    <field name="category_id"/>
                    <group expand="0" string="Group By">
                        <filter string="Author" name="author" domain="[]" context="{'group_by':'author'}"/>
                        <filter string="Category" name="category" domain="[]" context="{'group_by':'category_id'}"/>
                        <filter string="Status" name="state" domain="[]" context="{'group_by':'state'}"/>
                    </group>
                    <searchpanel>
                        <field name="category_id" string="Categories" enable_counters="1"/>
                    </searchpanel>
               </search>
            