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.AddHandler(CalendarDayButton.MouseLeaveEvent, new MouseEventHandler(Cell_MouseLeave), true);
dayCell.Click += new RoutedEventHandler(Cell_Clicked);
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.Click += new RoutedEventHandler(Month_Clicked);
this._yearView.Children.Add(monthCell);
count++;
}
}
}
}
private void Month_Clicked(object sender, RoutedEventArgs e)
{
CalendarButton b = sender as CalendarButton;
if (b != null)
{
this.Owner.OnCalendarButtonPressed(b, true);
}
}
private void Month_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
CalendarButton b = sender as CalendarButton;
if (b != null && this.Owner != null)
{
this.Owner.OnCalendarButtonPressed(b, true);
}
}
/// <summary>
/// Common PropertyChangedCallback for dependency properties that trigger visual state changes
/// </summary>
/// <param name="dObject"></param>
/// <param name="e"></param>
private static void OnVisualStatePropertyChanged(DependencyObject dObject, DependencyPropertyChangedEventArgs e)
{
CalendarButton button = dObject as CalendarButton;
if (button != null && !object.Equals(e.OldValue, e.NewValue))
{
button.ChangeVisualState(true);
}
}
private IEnumerable <CalendarButton> GetCalendarButtons()
{
foreach (UIElement element in this.YearView.Children)
{
CalendarButton b = element as CalendarButton;
if (b != null)
{
yield return(b);
}
}
}
private void Month_MouseEnter(object sender, MouseEventArgs e)
{
CalendarButton b = sender as CalendarButton;
if (b != null)
{
if (this._isMonthPressed && this.Owner != null)
{
this.Owner.OnCalendarButtonPressed(b, false);
}
}
}
private static object OnCoerceContent(DependencyObject sender, object baseValue)
{
CalendarButton button = (CalendarButton)sender;
if (button._shouldCoerceContent)
{
button._shouldCoerceContent = false;
return(button._coercedContent);
}
return(baseValue);
}
private void SetYearButtons(DateTime decade, DateTime decadeEnd)
{
int decadeYear = _calendar.GetYear(decade);
int decadeEndYear = _calendar.GetYear(decadeEnd);
int year;
int count = -1;
foreach (object child in _yearView.Children)
{
CalendarButton childButton = child as CalendarButton;
Debug.Assert(childButton != null);
year = decadeYear + count;
if (year <= _calendar.MaxSupportedDateTime.Year && year >= _calendar.MinSupportedDateTime.Year)
{
// There should be no time component. Time is 12:00 AM
DateTime day = _calendar.ToDateTime(year, 1, 1, 0, 0, 0, 0);
childButton.DataContext = day;
childButton.SetContentInternal(DateTimeHelper.ToYearString(day, DateTimeHelper.GetCulture(this)));
childButton.Visibility = Visibility.Visible;
if (Owner != null)
{
childButton.HasSelectedDays = (_calendar.GetYear(Owner.DisplayDate) == year);
if (year < Owner.DisplayDateStartInternal.Year || year > Owner.DisplayDateEndInternal.Year)
{
childButton.IsEnabled = false;
childButton.Opacity = 0;
}
else
{
childButton.IsEnabled = true;
childButton.Opacity = 1;
}
}
// SET IF THE YEAR IS INACTIVE OR NOT: set if the year is a trailing year or not
childButton.IsInactive = year <decadeYear || year> decadeEndYear;
}
else
{
childButton.DataContext = null;
childButton.IsEnabled = false;
childButton.Opacity = 0;
}
count++;
}
}
private void Month_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
CalendarButton b = sender as CalendarButton;
if (b != null)
{
this._isMonthPressed = true;
Mouse.Capture(this, CaptureMode.SubTree);
if (this.Owner != null)
{
this.Owner.OnCalendarButtonPressed(b, false);
}
}
}
private void SetYearModeMonthButtons()
{
int count = 0;
foreach (object child in _yearView.Children)
{
CalendarButton childButton = child as CalendarButton;
Debug.Assert(childButton != null);
// There should be no time component. Time is 12:00 AM
int year = _calendar.GetYear(DisplayDate);
int month = count + 1;
DateTime day = _calendar.ToDateTime(year, month, 1, 0, 0, 0, 0);
childButton.DataContext = day;
childButton.SetContentInternal(DateTimeHelper.ToAbbreviatedMonthString(day, DateTimeHelper.GetCulture(this)));
childButton.Visibility = Visibility.Visible;
if (Owner != null)
{
Debug.Assert(Owner.DisplayDateInternal != null);
childButton.HasSelectedDays = (DateTimeHelper.CompareYearMonth(day, Owner.DisplayDateInternal) == 0);
if (DateTimeHelper.CompareYearMonth(day, Owner.DisplayDateStartInternal) < 0 || DateTimeHelper.CompareYearMonth(day, Owner.DisplayDateEndInternal) > 0)
{
childButton.IsEnabled = false;
childButton.Opacity = 0;
}
else
{
childButton.IsEnabled = true;
childButton.Opacity = 1;
}
}
childButton.IsInactive = false;
count++;
}
}
private int GetDecadeForDecadeMode(DateTime selectedYear)
{
int decade = DateTimeHelper.DecadeOfDate(selectedYear);
// Adjust the decade value if the mouse move selection is on,
// such that if first or last year among the children are selected
// then return the current selected decade as is.
if (_isMonthPressed && _yearView != null)
{
UIElementCollection yearViewChildren = _yearView.Children;
int count = yearViewChildren.Count;
if (count > 0)
{
CalendarButton child = yearViewChildren[0] as CalendarButton;
if (child != null &&
child.DataContext is DateTime &&
((DateTime)child.DataContext).Year == selectedYear.Year)
{
return(decade + 10);
}
}
if (count > 1)
{
CalendarButton child = yearViewChildren[count - 1] as CalendarButton;
if (child != null &&
child.DataContext is DateTime &&
((DateTime)child.DataContext).Year == selectedYear.Year)
{
return(decade - 10);
}
}
}
return(decade);
}
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++;
}
}
}
}
internal void OnCalendarButtonPressed(CalendarButton b, bool switchDisplayMode)
{
if (b.DataContext is DateTime)
{
DateTime d = (DateTime)b.DataContext;
DateTime? newDate = null;
CalendarMode newMode = CalendarMode.Month;
switch (this.DisplayMode)
{
case CalendarMode.Month:
{
Debug.Assert(false);
break;
}
case CalendarMode.Year:
{
newDate = DateTimeHelper.SetYearMonth(this.DisplayDate, d);
newMode = CalendarMode.Month;
break;
}
case CalendarMode.Decade:
{
newDate = DateTimeHelper.SetYear(this.DisplayDate, d.Year);
newMode = CalendarMode.Year;
break;
}
default:
Debug.Assert(false);
break;
}
if (newDate.HasValue)
{
this.DisplayDate = newDate.Value;
if (switchDisplayMode)
{
this.DisplayMode = newMode;
FocusDate(this.DisplayMode == CalendarMode.Month ? this.CurrentDate : this.DisplayDate);
}
}
}
}
/// <summary>
/// Initializes a new instance of the CalendarButtonAutomationPeer class.
/// </summary>
/// <param name="owner">Owning CalendarButton</param>
public CalendarButtonAutomationPeer(CalendarButton owner)
: base(owner)
{
}
