<p:dataTable
            rendered="#{!element.checkbox or element.zeroOne}"
            selection="#{element.selectedDropDownElement}"
            disabledSelection="#{element.readOnly}"
            var="subElement"
            rowIndexVar="subIndex"
            rowKey="#{subElement.id}"
            nativeElements="true"
            value="#{element.children}"
            scrollable="true"

            border="0"
            <p:ajax event="rowSelect"
                listener="#{element.processValueChange}"
                update="@(.updateOnConfigurationChange)" />
            <p:ajax event="rowSelectRadio"
                listener="#{element.processValueChange}"
                update="@(.updateOnConfigurationChange)" />
            <p:column tabindex="#{element.tabIndex}"
                 selectionMode='single'>
            </p:column>
        </p:dataTable>