/// <summary>
/// Common PropertyChangedCallback for dependency properties that trigger visual state changes
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void OnVisualStatePropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
CalendarDayButton dayButton = sender as CalendarDayButton;
if (dayButton != null)
{
dayButton.ChangeVisualState(true);
}
}
private static object OnCoerceContent(DependencyObject sender, object baseValue)
{
CalendarDayButton button = (CalendarDayButton)sender;
if (button._shouldCoerceContent)
{
button._shouldCoerceContent = false;
return(button._coercedContent);
}
return(baseValue);
}
private void PopulateGrids()
{
if (_monthView != null)
{
if (_dayTitleTemplate != null)
{
for (int i = 0; i < COLS; i++)
{
FrameworkElement titleCell = (FrameworkElement)this._dayTitleTemplate.LoadContent();
titleCell.SetValue(Grid.RowProperty, 0);
titleCell.SetValue(Grid.ColumnProperty, i);
this._monthView.Children.Add(titleCell);
}
}
for (int i = 1; i < ROWS; i++)
{
for (int j = 0; j < COLS; j++)
{
CalendarDayButton dayCell = new CalendarDayButton();
dayCell.Owner = this.Owner;
dayCell.SetValue(Grid.RowProperty, i);
dayCell.SetValue(Grid.ColumnProperty, j);
dayCell.SetBinding(CalendarDayButton.StyleProperty, GetOwnerBinding("CalendarDayButtonStyle"));
dayCell.AddHandler(CalendarDayButton.MouseLeftButtonDownEvent, new MouseButtonEventHandler(Cell_MouseLeftButtonDown), true);
dayCell.AddHandler(CalendarDayButton.MouseLeftButtonUpEvent, new MouseButtonEventHandler(Cell_MouseLeftButtonUp), true);
dayCell.AddHandler(CalendarDayButton.MouseEnterEvent, new MouseEventHandler(Cell_MouseEnter), true);
dayCell.Click += new RoutedEventHandler(Cell_Clicked);
dayCell.AddHandler(PreviewKeyDownEvent, new RoutedEventHandler(CellOrMonth_PreviewKeyDown), true);
this._monthView.Children.Add(dayCell);
}
}
}
if (_yearView != null)
{
CalendarButton monthCell;
int count = 0;
for (int i = 0; i < YEAR_ROWS; i++)
{
for (int j = 0; j < YEAR_COLS; j++)
{
monthCell = new CalendarButton();
monthCell.Owner = this.Owner;
monthCell.SetValue(Grid.RowProperty, i);
monthCell.SetValue(Grid.ColumnProperty, j);
monthCell.SetBinding(CalendarButton.StyleProperty, GetOwnerBinding("CalendarButtonStyle"));
monthCell.AddHandler(CalendarButton.MouseLeftButtonDownEvent, new MouseButtonEventHandler(Month_MouseLeftButtonDown), true);
monthCell.AddHandler(CalendarButton.MouseLeftButtonUpEvent, new MouseButtonEventHandler(Month_MouseLeftButtonUp), true);
monthCell.AddHandler(CalendarButton.MouseEnterEvent, new MouseEventHandler(Month_MouseEnter), true);
monthCell.AddHandler(UIElement.PreviewKeyDownEvent, new RoutedEventHandler(CellOrMonth_PreviewKeyDown), true);
monthCell.Click += new RoutedEventHandler(Month_Clicked);
this._yearView.Children.Add(monthCell);
count++;
}
}
}
}
private void SetMonthModeDayButtonState(CalendarDayButton childButton, DateTime? dateToAdd)
{
if (this.Owner != null)
{
if (dateToAdd.HasValue)
{
childButton.Visibility = Visibility.Visible;
// If the day is outside the DisplayDateStart/End boundary, do not show it
if (DateTimeHelper.CompareDays(dateToAdd.Value, this.Owner.DisplayDateStartInternal) < 0 || DateTimeHelper.CompareDays(dateToAdd.Value, this.Owner.DisplayDateEndInternal) > 0)
{
childButton.IsEnabled = false;
childButton.Visibility = Visibility.Hidden;
}
else
{
childButton.IsEnabled = true;
// SET IF THE DAY IS SELECTABLE OR NOT
childButton.SetValue(
CalendarDayButton.IsBlackedOutPropertyKey,
this.Owner.BlackoutDates.Contains(dateToAdd.Value));
// SET IF THE DAY IS ACTIVE OR NOT: set if the day is a trailing day or not
childButton.SetValue(
CalendarDayButton.IsInactivePropertyKey,
DateTimeHelper.CompareYearMonth(dateToAdd.Value, this.Owner.DisplayDateInternal) != 0);
// SET IF THE DAY IS TODAY OR NOT
if (DateTimeHelper.CompareDays(dateToAdd.Value, DateTime.Today) == 0)
{
childButton.SetValue(CalendarDayButton.IsTodayPropertyKey, true);
// Calendar.IsTodayHighlighted affects the final visual state for Today buttons
// but childButton property change callbacks are no called in response to
// Calendar.IsTodayHighlighted changing so we must explicitly update the visual state
childButton.ChangeVisualState(true);
}
else
{
childButton.SetValue(CalendarDayButton.IsTodayPropertyKey, false);
}
// SET IF THE DAY IS SELECTED OR NOT
// Since we should be comparing the Date values not DateTime values, we can't use this.Owner.SelectedDates.Contains(dateToAdd) directly
bool isSelected = false;
foreach (DateTime item in this.Owner.SelectedDates)
{
isSelected |= (DateTimeHelper.CompareDays(dateToAdd.Value, item) == 0);
}
childButton.SetValue(CalendarDayButton.IsSelectedPropertyKey, isSelected);
}
}
else
{
childButton.Visibility = Visibility.Hidden;
childButton.IsEnabled = false;
childButton.SetValue(CalendarDayButton.IsBlackedOutPropertyKey, false);
childButton.SetValue(CalendarDayButton.IsInactivePropertyKey, true);
childButton.SetValue(CalendarDayButton.IsTodayPropertyKey, false);
childButton.SetValue(CalendarDayButton.IsSelectedPropertyKey, false);
}
}
}
/// <summary>
/// Initializes a new instance of the CalendarDayButtonAutomationPeer class.
/// </summary>
/// <param name="owner">Owning CalendarDayButton</param>
public CalendarDayButtonAutomationPeer(CalendarDayButton owner)
: base(owner)
{
}