private void Cell_MouseEnter(object sender, MouseEventArgs e)
{
CalendarDayButton b = sender as CalendarDayButton;
if (b == null)
{
return;
}
if (b.IsBlackedOut)
{
return;
}
if (e.LeftButton == MouseButtonState.Pressed && this._isDayPressed)
{
b.MoveFocus(new TraversalRequest(FocusNavigationDirection.First));
if (this.Owner == null || !(b.DataContext is DateTime))
{
return;
}
DateTime selectedDate = (DateTime)b.DataContext;
switch (this.Owner.SelectionMode)
{
case CalendarSelectionMode.SingleDate:
{
this.Owner.DatePickerDisplayDateFlag = true;
this.Owner.HoverStart = this.Owner.HoverEnd = null;
if (this.Owner.SelectedDates.Count == 0)
{
this.Owner.SelectedDates.Add(selectedDate);
}
else
{
this.Owner.SelectedDates[0] = selectedDate;
}
return;
}
}
this.Owner.HoverEnd = selectedDate;
this.Owner.CurrentDate = selectedDate;
this.Owner.UpdateCellItems();
}
}
private void Cell_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
CalendarDayButton b = sender as CalendarDayButton;
if (b == null)
{
return;
}
if (this.Owner == null || !(b.DataContext is DateTime))
{
return;
}
if (b.IsBlackedOut)
{
this.Owner.HoverStart = null;
}
else
{
this._isDayPressed = true;
Mouse.Capture(this, CaptureMode.SubTree);
b.MoveFocus(new TraversalRequest(FocusNavigationDirection.First));
bool ctrl, shift;
KeyboardHelper.GetMetaKeyState(out ctrl, out shift);
DateTime selectedDate = (DateTime)b.DataContext;
Debug.Assert(selectedDate != null);
switch (this.Owner.SelectionMode)
{
case CalendarSelectionMode.None:
{
break;
}
case CalendarSelectionMode.SingleDate:
{
this.Owner.DatePickerDisplayDateFlag = true;
if (!ctrl)
{
this.Owner.SelectedDate = selectedDate;
}
else
{
this.Owner.SelectedDates.Toggle(selectedDate);
}
break;
}
case CalendarSelectionMode.SingleRange:
{
this.Owner.SelectedDates.ClearInternal();
if (shift)
{
if (!this.Owner.HoverStart.HasValue)
{
this.Owner.HoverStart = this.Owner.HoverEnd = this.Owner.CurrentDate;
}
}
else
{
this.Owner.HoverStart = this.Owner.HoverEnd = selectedDate;
}
break;
}
case CalendarSelectionMode.MultipleRange:
{
if (!ctrl)
{
this.Owner.SelectedDates.ClearInternal();
}
if (shift)
{
if (!this.Owner.HoverStart.HasValue)
{
this.Owner.HoverStart = this.Owner.HoverEnd = this.Owner.CurrentDate;
}
}
else
{
this.Owner.HoverStart = this.Owner.HoverEnd = selectedDate;
}
break;
}
}
this.Owner.CurrentDate = selectedDate;
this.Owner.UpdateCellItems();
}
}