<?xml version="1.0"?>
<list string="Working Time" editable="bottom" default_order="sequence, week_type, dayofweek, hour_from">
                <field name="sequence" widget="handle"/>
                <field name="display_type" column_invisible="True"/>
                <field name="display_name" width="1" string=" " invisible="display_type != 'line_section'"/>
                <field name="name" invisible="display_type == 'line_section'"/>
                <field name="dayofweek"/>
                <field name="day_period"/>
                <field name="hour_from" widget="float_time"/>
                <field name="hour_to" widget="float_time"/>
                <field name="duration_days" optional="show"/>
                <field name="date_from" optional="hide"/>
                <field name="date_to" optional="hide"/>
                <field name="week_type" readonly="1" force_save="1" optional="hide"/>
            </list>
        