class PopupDateEditCell extends AbstractPopupEditCell<Date, Date> {

    @Override
    protected void commit() {
        final Date date = convertToServerTimeZone(getDatePicker().getValue());
        setValue(lastContext,
                 lastParent,
                 date);

        if (getValueUpdater() != null) {
            getValueUpdater().update(date);
        }
        panel.hide();
    }

    public  PopupDateEditCell(final boolean isReadOnly);

}