/// <summary>
/// SelectedDateProperty property changed handler.
/// </summary>
/// <param name="d">DatePicker that changed its SelectedDate.</param>
/// <param name="e">DependencyPropertyChangedEventArgs.</param>
private static void OnSelectedDateChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DatePicker dp = d as DatePicker;
Debug.Assert(dp != null);
Collection <DateTime> addedItems = new Collection <DateTime>();
Collection <DateTime> removedItems = new Collection <DateTime>();
DateTime?addedDate;
DateTime?removedDate;
dp.CoerceValue(DisplayDateStartProperty);
dp.CoerceValue(DisplayDateEndProperty);
dp.CoerceValue(DisplayDateProperty);
addedDate = (DateTime?)e.NewValue;
removedDate = (DateTime?)e.OldValue;
if (dp.SelectedDate.HasValue)
{
DateTime day = dp.SelectedDate.Value;
dp.SetTextInternal(dp.DateTimeToString(day));
// When DatePickerDisplayDateFlag is TRUE, the SelectedDate change is coming from the Calendar UI itself,
// so, we shouldn't change the DisplayDate since it will automatically be changed by the Calendar
if ((day.Month != dp.DisplayDate.Month || day.Year != dp.DisplayDate.Year) && !dp._calendar.DatePickerDisplayDateFlag)
{
dp.SetCurrentValueInternal(DisplayDateProperty, day);
}
dp._calendar.DatePickerDisplayDateFlag = false;
}
else
{
dp.SetWaterMarkText();
}
if (addedDate.HasValue)
{
addedItems.Add(addedDate.Value);
}
if (removedDate.HasValue)
{
removedItems.Add(removedDate.Value);
}
dp.OnSelectedDateChanged(new CalendarSelectionChangedEventArgs(DatePicker.SelectedDateChangedEvent, removedItems, addedItems));
DatePickerAutomationPeer peer = UIElementAutomationPeer.FromElement(dp) as DatePickerAutomationPeer;
// Raise the propetyChangeEvent for Value if Automation Peer exist
if (peer != null)
{
string addedDateString = addedDate.HasValue ? dp.DateTimeToString(addedDate.Value) : "";
string removedDateString = removedDate.HasValue ? dp.DateTimeToString(removedDate.Value) : "";
peer.RaiseValuePropertyChangedEvent(removedDateString, addedDateString);
}
}
/// <summary>
/// TextProperty property changed handler.
/// </summary>
/// <param name="d">DatePicker that changed its Text.</param>
/// <param name="e">DependencyPropertyChangedEventArgs.</param>
private static void OnTextChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DatePicker dp = d as DatePicker;
Debug.Assert(dp != null);
if (!dp.IsHandlerSuspended(DatePicker.TextProperty))
{
string newValue = e.NewValue as string;
if (newValue != null)
{
if (dp._textBox != null)
{
dp._textBox.Text = newValue;
}
else
{
dp._defaultText = newValue;
}
dp.SetSelectedDate();
}
else
{
dp.SetValueNoCallback(DatePicker.SelectedDateProperty, null);
}
}
DatePickerAutomationPeer peer = UIElementAutomationPeer.FromElement(dp) as DatePickerAutomationPeer;
// Raise the propetyChangeEvent for Value if Automation Peer exist
if (peer != null)
{
peer.RaiseValuePropertyChangedEvent((string)e.OldValue, (string)e.NewValue);
}
}
public void DatePicker_AutomationPeer()
{
_elementToCleanUp = new DatePicker();
_isLoaded = false;
DatePickerAutomationPeer datePickerAutomationPeer = (DatePickerAutomationPeer)DatePickerAutomationPeer.CreatePeerForElement(_elementToCleanUp);
Assert.IsNotNull(datePickerAutomationPeer);
DateTime date = new DateTime(2000, 2, 2);
_elementToCleanUp.SelectedDate = date;
_elementToCleanUp.Height = 30;
_elementToCleanUp.Width = 100;
_elementToCleanUp.Loaded += new RoutedEventHandler(_elementToCleanUp_Loaded);
TestPanel.Children.Add(_elementToCleanUp);
EnqueueConditional(IsLoaded);
DateTime date2 = new DateTime(2000, 5, 5);
EnqueueCallback(delegate
{
Assert.AreEqual(datePickerAutomationPeer.GetAutomationControlType(), AutomationControlType.ComboBox, "Incorrect Control type for datepicker");
Assert.AreEqual(datePickerAutomationPeer.GetClassName(), _elementToCleanUp.GetType().Name, "Incorrect ClassName value for datepicker");
Assert.AreEqual(datePickerAutomationPeer.GetName(), date.ToString(), "Incorrect Name value for datepickerpeer");
Assert.IsTrue(datePickerAutomationPeer.IsContentElement(), "Incorrect IsContentElement value");
Assert.IsTrue(datePickerAutomationPeer.IsControlElement(), "Incorrect IsControlElement value");
#region DatePickerAutomationPeer IExpandCollapseProvider tests:
IExpandCollapseProvider datePickerExpandCollapseProvider = ((IExpandCollapseProvider)datePickerAutomationPeer.GetPattern(PatternInterface.ExpandCollapse));
Assert.IsNotNull(datePickerAutomationPeer);
Assert.AreEqual(datePickerExpandCollapseProvider.ExpandCollapseState, ExpandCollapseState.Collapsed);
_elementToCleanUp.IsDropDownOpen = true;
Assert.IsTrue(_elementToCleanUp.TestHook.DropDown.IsOpen);
Assert.AreEqual(datePickerExpandCollapseProvider.ExpandCollapseState, ExpandCollapseState.Expanded);
datePickerExpandCollapseProvider.Collapse();
Assert.AreEqual(datePickerExpandCollapseProvider.ExpandCollapseState, ExpandCollapseState.Collapsed);
Assert.IsFalse(_elementToCleanUp.TestHook.DropDown.IsOpen);
datePickerExpandCollapseProvider.Expand();
Assert.IsTrue(_elementToCleanUp.TestHook.DropDown.IsOpen);
Assert.AreEqual(datePickerExpandCollapseProvider.ExpandCollapseState, ExpandCollapseState.Expanded);
datePickerExpandCollapseProvider.Collapse();
#endregion
#region DatePickerAutomationPeer IValueProvider tests:
IValueProvider datePickerValueProvider = ((IValueProvider)datePickerAutomationPeer.GetPattern(PatternInterface.Value));
Assert.IsNotNull(datePickerValueProvider);
Assert.IsFalse(datePickerValueProvider.IsReadOnly);
Assert.AreEqual(datePickerValueProvider.Value, date.ToString());
_elementToCleanUp.SelectedDate = null;
Assert.AreEqual(datePickerValueProvider.Value, string.Empty);
datePickerValueProvider.SetValue(date2.ToString());
Assert.AreEqual(_elementToCleanUp.SelectedDate, date2);
Assert.AreEqual(datePickerValueProvider.Value, date2.ToString());
#endregion
});
EnqueueSleep(sleepTime);
EnqueueCallback(delegate
{
Assert.AreEqual(_elementToCleanUp.Text, date2.ToString("d"));
});
EnqueueTestComplete();
}