public virtual void PickerPeerOnlySupportsCorrectPatterns()
{
TimePickerPopup instance = TimePickerPopupInstance;
TimePickerPopupAutomationPeer peer = null;
TestAsync(
instance,
() => peer = (TimePickerPopupAutomationPeer)FrameworkElementAutomationPeer.CreatePeerForElement(instance),
() =>
{
int index = 0;
while (Enum.IsDefined(typeof(PatternInterface), index))
{
PatternInterface currentInterface = (PatternInterface)Enum.ToObject(typeof(PatternInterface), index);
object implementation = peer.GetPattern(currentInterface);
if (ExpectedPatterns.Contains(currentInterface))
{
Assert.IsNotNull(implementation);
}
else
{
Assert.IsNull(implementation);
}
index++;
}
});
}
public virtual void CreateTimePickerPopupPeer()
{
TimePickerPopup tpp = TimePickerPopupInstance;
TimePickerPopupAutomationPeer peer = GetTimePickerPopupAutomationPeer(tpp);
Assert.IsNotNull(peer);
}
public virtual void TimePickerPopupCreatesCorrectAutomationPeer()
{
TimePickerPopup tpp = TimePickerPopupInstance;
TimePickerPopupAutomationPeer peer = null;
TestAsync(
tpp,
() => peer = FrameworkElementAutomationPeer.CreatePeerForElement(tpp) as TimePickerPopupAutomationPeer,
() => Assert.IsNotNull(peer, "TimePickerPopup peer should not be null!"),
() => Assert.AreEqual(tpp, peer.Owner, "TimePickerPopup should be owner of the peer!"));
}
public virtual void ShouldCorrelateReadOnlyToIsEnabledInAutomationPeer()
{
TimePickerPopup item = TimePickerPopupInstance;
item.Value = new DateTime(1900, 1, 1, 3, 45, 12);
TimePickerPopupAutomationPeer peer = null;
IValueProvider provider = null;
TestAsync(
item,
() => peer = (TimePickerPopupAutomationPeer)FrameworkElementAutomationPeer.CreatePeerForElement(item),
() => provider = (IValueProvider)peer.GetPattern(PatternInterface.Value),
() => Assert.IsFalse(provider.IsReadOnly),
() => item.IsEnabled = false,
() => Assert.IsTrue(provider.IsReadOnly));
}
public virtual void ShouldBeAbleToGetValueThroughAutomationPeer()
{
TimePickerPopup item = TimePickerPopupInstance;
item.Culture = new CultureInfo("nl-NL");
item.Format = new CustomTimeFormat("HH:mm:ss");
item.Value = new DateTime(1900, 1, 1, 3, 45, 12);
TimePickerPopupAutomationPeer peer = null;
IValueProvider provider = null;
TestAsync(
item,
() => peer = (TimePickerPopupAutomationPeer)FrameworkElementAutomationPeer.CreatePeerForElement(item),
() => provider = (IValueProvider)peer.GetPattern(PatternInterface.Value),
() => Assert.AreEqual(provider.Value, "03:45:12"));
}
public virtual void ShouldBeAbleToSetValueThroughAutomationPeer()
{
TimePickerPopup item = TimePickerPopupInstance;
item.Culture = new CultureInfo("nl-NL");
item.Format = new CustomTimeFormat("HH:mm:ss");
TimePickerPopupAutomationPeer peer = null;
IValueProvider provider = null;
TestAsync(
item,
() => peer = (TimePickerPopupAutomationPeer)FrameworkElementAutomationPeer.CreatePeerForElement(item),
() => provider = (IValueProvider)peer.GetPattern(PatternInterface.Value),
() => provider.SetValue("03:30:00"), // take care to set a time that is not snapped
() => Assert.AreEqual(item.Value.Value.TimeOfDay, new DateTime(1900, 1, 1, 3, 30, 00).TimeOfDay));
}
/// <summary>
/// ValueProperty property changed handler.
/// </summary>
/// <param name="d">UpDownBase whose Value changed.</param>
/// <param name="e">Event arguments.</param>
private static void OnValuePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TimePickerPopup source = (TimePickerPopup)d;
// Ignore the change if requested
if (source._ignoreValueChange)
{
// we do want to raise the event, but won't react to anything.
source.OnValueChanged(new RoutedPropertyChangedEventArgs <DateTime?>(e.OldValue as DateTime?, e.NewValue as DateTime?));
return;
}
DateTime?oldValue = (DateTime?)e.OldValue;
DateTime?newValue = (DateTime?)e.NewValue;
// simulate pre and post events
// The Value has already been changed when this function is called.
// So if user's chaning event handler check Value, it will be the changed value.
// This is confusing, because we are simulating pre event on the platform that doesn't natively support it.
RoutedPropertyChangingEventArgs <DateTime?> changingArgs = new RoutedPropertyChangingEventArgs <DateTime?>(e.Property, oldValue, newValue, true);
source.OnValueChanging(changingArgs);
// workaround the class hierarchy for value coercion
if (changingArgs.InCoercion)
{
}
else if (!changingArgs.Cancel)
{
newValue = changingArgs.NewValue;
RoutedPropertyChangedEventArgs <DateTime?> changedArgs = new RoutedPropertyChangedEventArgs <DateTime?>(oldValue, newValue);
source.OnValueChanged(changedArgs);
TimePickerPopupAutomationPeer peer = FrameworkElementAutomationPeer.FromElement(source) as TimePickerPopupAutomationPeer;
if (peer != null)
{
peer.RaiseValueAutomationEvent(oldValue, newValue);
}
}
else
{
// revert back to old value if an event handler canceled the changing event.
source._ignoreValueChange = true;
source.Value = oldValue;
source._ignoreValueChange = false;
}
}
