DateTimeFieldsState DateTimeFieldsState::restoreFormControlState(const FormControlState& state)
{
    DateTimeFieldsState dateTimeFieldsState;
    dateTimeFieldsState.setYear(getNumberFromFormControlState(state, 0));
    dateTimeFieldsState.setMonth(getNumberFromFormControlState(state, 1));
    dateTimeFieldsState.setDayOfMonth(getNumberFromFormControlState(state, 2));
    dateTimeFieldsState.setHour(getNumberFromFormControlState(state, 3));
    dateTimeFieldsState.setMinute(getNumberFromFormControlState(state, 4));
    dateTimeFieldsState.setSecond(getNumberFromFormControlState(state, 5));
    dateTimeFieldsState.setMillisecond(getNumberFromFormControlState(state, 6));
    dateTimeFieldsState.setWeekOfYear(getNumberFromFormControlState(state, 7));
    dateTimeFieldsState.setAMPM(getAMPMFromFormControlState(state, 8));
    return dateTimeFieldsState;
}
void DateTimeEditElement::setOnlyYearMonthDay(const DateComponents& date)
{
    ASSERT(date.type() == DateComponents::Date);

    if (!m_editControlOwner)
        return;

    DateTimeFieldsState dateTimeFieldsState = valueAsDateTimeFieldsState();
    dateTimeFieldsState.setYear(date.fullYear());
    dateTimeFieldsState.setMonth(date.month() + 1);
    dateTimeFieldsState.setDayOfMonth(date.monthDay());
    setValueAsDateTimeFieldsState(dateTimeFieldsState);
    m_editControlOwner->editControlValueChanged();
}
void DateTimeDayFieldElement::populateDateTimeFieldsState(DateTimeFieldsState& dateTimeFieldsState)
{
    dateTimeFieldsState.setDayOfMonth(hasValue() ? valueAsInteger() : DateTimeFieldsState::emptyValue);
}