/// <summary>
/// When overridden in a derived class, is invoked whenever application code or internal processes call
/// <see cref="M:System.Windows.FrameworkElement.ApplyTemplate" />.
/// </summary>
public override void OnApplyTemplate()
{
UnSubscribeEvents();
base.OnApplyTemplate();
_popup = GetTemplateChild(ElementPopup) as Popup;
_button = GetTemplateChild(ElementButton) as Button;
_hourInput = GetTemplateChild(ElementHourPicker) as Selector;
_minuteInput = GetTemplateChild(ElementMinutePicker) as Selector;
_secondInput = GetTemplateChild(ElementSecondPicker) as Selector;
_hourHand = GetTemplateChild(ElementHourHand) as FrameworkElement;
_ampmSwitcher = GetTemplateChild(ElementAmPmSwitcher) as Selector;
_minuteHand = GetTemplateChild(ElementMinuteHand) as FrameworkElement;
_secondHand = GetTemplateChild(ElementSecondHand) as FrameworkElement;
_textBox = GetTemplateChild(ElementTextBox) as DatePickerTextBox;
SetHandVisibility(HandVisibility);
SetPickerVisibility(PickerVisibility);
SetHourPartValues(SelectedDateTime.GetValueOrDefault().TimeOfDay);
WriteValueToTextBox();
SetDefaultTimeOfDayValues();
SubscribeEvents();
ApplyCulture();
ApplyBindings();
}
/// <inheritdoc/>
protected override void SetSelectedDateTime()
{
if (textBox is null)
{
return;
}
const DateTimeStyles dateTimeParseStyle = DateTimeStyles.AllowWhiteSpaces
& DateTimeStyles.AssumeLocal
& DateTimeStyles.NoCurrentDateDefault;
if (DateTime.TryParse(textBox.Text, SpecificCultureInfo, dateTimeParseStyle, out var timeSpan))
{
SetCurrentValue(SelectedDateTimeProperty, SelectedDateTime.GetValueOrDefault().Date + timeSpan.TimeOfDay);
}
else
{
SetCurrentValue(SelectedDateTimeProperty, null);
if (SelectedDateTime == null)
{
// if already null, overwrite wrong data in TextBox
WriteValueToTextBox();
}
}
}
