Databinding without component ID

<?page id="employeeForm" title="Employee form" cacheable="false" language="xul/html" zscriptLanguage="Java"?>
<?meta content="text/html; charset=UTF-8" pageEncoding="UTF-8"?>
<?init class="org.zkoss.zkplus.databind.AnnotateDataBinderInit" root="" ?> // before I put root="myWinID"

<window closable="true" minimizable="true" minimized="false" maximizable="true" 
    sizable="true" height="500px" width="400" contentStyle="overflow:auto" apply="org.chorem.bonzoms.ui.EmployeeFormController">
<caption label="Employee addition"/>

    <groupbox>
        <caption label="Employee informations" />
        <hbox>
            <vbox>
                <label value="email" />
                <textbox value="@{spaceOwner$composer.employee.email, save-when='self.onChange'}" />
                <label value="Phone number" />
                <textbox value="@{spaceOwner$composer.employee.workingPhone, save-when='self.onChange'}" />
            </vbox>
            <groupbox>
                <caption label="Working address" />
                <vbox>
                <label value="Adress1" />
                <textbox value="@{spaceOwner$composer.workingAddress.address1, save-when='self.onChange'}" />

                <label value="Adress2" />
                <textbox value="@{spaceOwner$composer.workingAddress.address2, save-when='self.onChange'}" />

                <label value="Zip code" />
                <textbox value="@{spaceOwner$composer.workingAddress.zipCode, save-when='self.onChange'}" />

                <label value="City" />
                <textbox value="@{spaceOwner$composer.workingAddress.city, save-when='self.onChange'}" />

                <label value="Country" />
                <textbox value="@{spaceOwner$composer.workingAddress.country, save-when='self.onChange'}" />
                </vbox>
        </groupbox>
        </hbox>
    </groupbox>

    <groupbox>
        <caption label="Personnal informations" />
        <hbox>
            <vbox>
                <label value="First name" />
                <textbox value="@{spaceOwner$composer.employee.firstName, save-when='self.onChange'}" />
                <label value="Last name" />
                <textbox value="@{spaceOwner$composer.employee.lastName, save-when='self.onChange'}" />
                <label value="Birthday" />
                <datebox value="@{spaceOwner$composer.employee.birthDay, save-when='self.onChange'}" />
                <label value="Email" />
                <textbox value="@{spaceOwner$composer.employee.email, save-when='self.onChange'}" constraint="/.+@.+\.+/" />
                <hbox>
                    <button label="Add address " id="addAddress" /> <button label="Delete address" id="deleteAddress" />
                </hbox>
            </vbox>

            <listbox id="addressListbox" model="@{spaceOwner$composer.addressesModel}" width="200px">
                <listitem self="@{each='address'}">
                    <listcell>
                        <groupbox>
                            <caption label="Adress" />
                            <vbox>

                                <label value="Adress1" />
                                <textbox value="@{address.address1, save-when='self.onChange'}" />

                                <label value="Adress2" />
                                <textbox value="@{address.address2, save-when='self.onChange'}" />

                                <label value="Zip code" />
                                <textbox value="@{address.zipCode, save-when='self.onChange'}" />

                                <label value="City" />
                                <textbox value="@{address.city, save-when='self.onChange'}" />

                                <label value="Country" />
                                <textbox value="@{address.country, save-when='self.onChange'}" />

                            </vbox>
                        </groupbox>
                    </listcell>
                </listitem>
            </listbox>
        </hbox>

        <groupbox width="330px">

            <caption label="Phones" />

            <listbox id="phoneListbox" model="@{spaceOwner$composer.phonesModel}" width="310px">
                <listhead sizable="true">
                    <listheader label="Name" />
                    <listheader label="Phone Number" />
                </listhead>
                <listitem self="@{each='phone'}">
                    <listcell>
                        <textbox value="@{phone.name, save-when='self.onChange'}" />
                    </listcell>
                    <listcell>
                        <textbox value="@{phone.number, save-when='self.onChange'}" />
                    </listcell>
                </listitem>
            </listbox>

        </groupbox>
        <button label="Add phone " id="addPhone" /> <button label="Delete phone" id="deletePhone" />

    </groupbox>
    <button id="addEmployee" label="Add" />
</window>