/// <summary>
/// Inherited code: Requires comment.
/// </summary>
/// <param name="cal">Inherited code: Requires comment 1.</param>
/// <param name="value">Inherited code: Requires comment 2.</param>
/// <returns>Inherited code: Requires comment 3.</returns>
private static bool IsValidKeyboardSelection(Calendar cal, object value)
{
if (value == null)
{
return true;
}
else
{
if (cal.BlackoutDates.Contains((DateTime) value))
{
return false;
}
else
{
return (DateTime.Compare((DateTime) value, cal.DisplayDateRangeStart) >= 0 && DateTime.Compare((DateTime) value, cal.DisplayDateRangeEnd) <= 0);
}
}
}
/// <summary>
/// Inherited code: Requires comment.
/// </summary>
/// <param name="cal">Inherited code: Requires comment 1.</param>
/// <param name="value">Inherited code: Requires comment 2.</param>
/// <returns>Inherited code: Requires comment 3.</returns>
internal static bool IsValidDateSelection(Calendar cal, object value)
{
if (value == null)
{
return true;
}
else
{
if (cal.BlackoutDates.Contains((DateTime) value))
{
return false;
}
else
{
if (DateTime.Compare((DateTime) value, cal.DisplayDateRangeStart) < 0)
{
cal.SetValueNoCallback(Calendar.DisplayDateStartProperty, value);
}
else if (DateTime.Compare((DateTime) value, cal.DisplayDateRangeEnd) > 0)
{
cal.SetValueNoCallback(Calendar.DisplayDateEndProperty, value);
}
return true;
}
}
}
/// <summary>
/// Inherited code: Requires comment.
/// </summary>
/// <param name="cal">Inherited code: Requires comment 1.</param>
/// <returns>Inherited code: Requires comment 2.</returns>
private static DateTime? SelectedDateMax(Calendar cal)
{
DateTime selectedDateMax;
if (cal.SelectedDates.Count > 0)
{
selectedDateMax = cal.SelectedDates[0];
Debug.Assert(DateTime.Compare(cal.SelectedDate.Value, selectedDateMax) == 0, "The SelectedDate should be the maximum SelectedDate!");
}
else
{
return null;
}
foreach (DateTime selectedDate in cal.SelectedDates)
{
if (DateTime.Compare(selectedDate, selectedDateMax) > 0)
{
selectedDateMax = selectedDate;
}
}
return selectedDateMax;
}
/// <summary>
/// Updates the display date.
/// </summary>
/// <param name="c">Calendar instance.</param>
/// <param name="addedDate">Added date.</param>
/// <param name="removedDate">Removed date.</param>
private static void UpdateDisplayDate(Calendar c, DateTime addedDate, DateTime removedDate)
{
Debug.Assert(c != null, "c should not be null!");
// If DisplayDate < DisplayDateStart, DisplayDate = DisplayDateStart
if (DateTime.Compare(addedDate, c.DisplayDateRangeStart) < 0)
{
c.DisplayDate = c.DisplayDateRangeStart;
return;
}
// If DisplayDate > DisplayDateEnd, DisplayDate = DisplayDateEnd
if (DateTime.Compare(addedDate, c.DisplayDateRangeEnd) > 0)
{
c.DisplayDate = c.DisplayDateRangeEnd;
return;
}
c.DisplayDateInternal = DateTimeHelper.DiscardDayTime(addedDate);
c.UpdateMonths();
c.OnDisplayDate(new CalendarDateChangedEventArgs(removedDate, addedDate));
}
/// <summary>
/// Raise an automation peer event for the selection of a day button.
/// </summary>
/// <param name="calendar">
/// The Calendar associated with this automation peer.
/// </param>
/// <param name="date">The selected date.</param>
/// <param name="eventToRaise">The selection event to raise.</param>
private static void RaiseDayButtonSelectionEvent(Calendar calendar, DateTime date, AutomationEvents eventToRaise)
{
CalendarDayButton button = calendar.FindDayButtonFromDay(date);
if (button != null)
{
AutomationPeer peer = FrameworkElementAutomationPeer.FromElement(button);
if (peer != null)
{
peer.RaiseAutomationEvent(eventToRaise);
}
}
}
/// <summary>
/// Initializes a new instance of the
/// <see cref="T:WinRTXamlToolkit.Automation.Peers.CalendarAutomationPeer" />
/// class.
/// </summary>
/// <param name="owner">
/// The <see cref="T:WinRTXamlToolkit.Controls.Calendar" /> instance to
/// associate with the
/// <see cref="T:WinRTXamlToolkit.Automation.Peers.CalendarAutomationPeer" />.
/// </param>
public CalendarAutomationPeer(Calendar owner)
: base(owner)
{
}
