private void PopulateGrids()
{
if (_monthGrid != null)
{
for (int i = 0; i < COLS; i++)
{
if (_dayTitleTemplate != null)
{
FrameworkElement cell = (FrameworkElement)this._dayTitleTemplate.LoadContent();
cell.SetValue(Grid.RowProperty, 0);
cell.SetValue(Grid.ColumnProperty, i);
this._monthGrid.Children.Add(cell);
}
}
for (int i = 1; i < ROWS; i++)
{
for (int j = 0; j < COLS; j++)
{
DayButton cell = new DayButton();
cell.SetValue(Grid.RowProperty, i);
cell.SetValue(Grid.ColumnProperty, j);
((DayButton)cell).Click += new RoutedEventHandler(Cell_Click);
if (_owner.DayStyle != null)
{
cell.Style = _owner.DayStyle;
}
this._monthGrid.Children.Add(cell);
}
}
}
if (_yearViewGrid != null)
{
MonthButton month;
int count = 0;
for (int i = 0; i < YEAR_ROWS; i++)
{
for (int j = 0; j < YEAR_COLS; j++)
{
month = new MonthButton();
month.SetValue(Grid.RowProperty, i);
month.SetValue(Grid.ColumnProperty, j);
month.MouseLeftButtonUp += new MouseButtonEventHandler(Month_MouseLeftButtonUp);
if (_owner.MonthStyle != null)
{
month.Style = _owner.MonthStyle;
}
this._yearViewGrid.Children.Add(month);
count++;
}
}
}
}
private void Cell_Click(object sender, RoutedEventArgs e)
{
_owner.Focus();
DayButton b = sender as DayButton;
if (b != null && b.IsEnabled)
{
DateTime selectedDate = (DateTime)b.DataContext;
_owner.OnDayClick(selectedDate);
}
}
public void UpdateSelectedDate(DateTime?addedDate, DateTime?removedDate)
{
int count = 1;
if (addedDate != removedDate && _monthGrid != null)
{
foreach (object child in _monthGrid.Children)
{
if (count > COLS)
{
DayButton mybutton = child as DayButton;
Debug.Assert(mybutton != null);
DateTime current = (DateTime)mybutton.DataContext;
if (current != null)
{
if (addedDate != null)
{
if (DateTime.Compare(current, (DateTime)addedDate) == 0)
{
if (_currentButton != null)
{
_currentButton.IsCurrent = false;
_currentButton.IsTabStop = false;
}
mybutton.IsSelected = true;
mybutton.IsTabStop = true;
mybutton.IsCurrent = true;
_currentButton = mybutton;
}
}
if (removedDate != null)
{
if (DateTime.Compare(current, (DateTime)removedDate) == 0)
{
mybutton.IsSelected = false;
mybutton.IsTabStop = false;
mybutton.IsCurrent = false;
}
}
}
}
count++;
}
}
}
public void UpdateMonthMode()
{
Debug.Assert(this._owner.DisplayDate != null);
_currentMonth = (DateTime)this._owner.DisplayDate;
_firstDayOfWeek = this._owner.FirstDayOfWeek;
if (_currentMonth != null)
{
int year = _calendar.GetYear(_currentMonth);
int month = _calendar.GetMonth(_currentMonth);
DateTime firstDayOfMonth = new DateTime(year, month, 1);
if (this._headerButton != null)
{
this._headerButton.Content = string.Format(CultureInfo.CurrentCulture, Resource.Calendar_MonthViewHeaderText,
CultureInfo.CurrentCulture.DateTimeFormat.MonthNames[month - 1],
year.ToString(CultureInfo.CurrentCulture));
this._headerButton.IsEnabled = true;
}
int lastMonthToDisplay = PreviousMonthDays(firstDayOfMonth);
DateTime dateToAdd = _calendar.AddDays(firstDayOfMonth, -lastMonthToDisplay);
DateTime firstDayOfNextMonth = _calendar.AddMonths(firstDayOfMonth, 1);
// check to see if Prev/Next Buttons will be displayed
if (_previousButton != null)
{
if (DateTime.Compare(_owner.DisplayDateStart.GetValueOrDefault(DateTime.MinValue), firstDayOfMonth) > -1)
{
_previousButton.IsEnabled = false;
}
else
{
_previousButton.IsEnabled = true;
}
}
if (_nextButton != null)
{
if (DateTime.Compare(_owner.DisplayDateEnd.GetValueOrDefault(DateTime.MaxValue), firstDayOfNextMonth) < 0)
{
_nextButton.IsEnabled = false;
}
else
{
_nextButton.IsEnabled = true;
}
}
int count = 0;
if (_monthGrid != null)
{
Debug.Assert(_monthGrid.Children.Count == COLS * ROWS);
//Set the day titles
foreach (object child in _monthGrid.Children)
{
if (count < (COLS))
{
//this assumes that the day titles are always text blocks
TextBlock daytitle = child as TextBlock;
Debug.Assert(daytitle != null);
daytitle.Text = CultureInfo.CurrentCulture.DateTimeFormat.AbbreviatedDayNames[(count + (int)_firstDayOfWeek) % NUMBER_OF_DAYS_IN_WEEK];
}
else
{
DayButton mybutton = child as DayButton;
Debug.Assert(mybutton != null);
SetButtonState(mybutton, dateToAdd);
mybutton.IsTabStop = false;
if (_currentButton == null)
{
if (_owner.SelectedDate == null && mybutton.IsToday)
{
mybutton.IsTabStop = true;
_currentButton = mybutton;
mybutton.IsCurrent = true;
}
else
{
if (mybutton.IsSelected)
{
mybutton.IsTabStop = true;
_currentButton = mybutton;
mybutton.IsCurrent = true;
}
}
}
mybutton.Content = String.Format(CultureInfo.CurrentCulture, "{0,2}", dateToAdd.Day);
mybutton.DataContext = dateToAdd;
dateToAdd = _calendar.AddDays(dateToAdd, 1);
}
count++;
}
}
}
}
private void SetButtonState(DayButton mybutton, DateTime dateToAdd)
{
mybutton.Opacity = 1;
if (DateTime.Compare(dateToAdd, _owner.DisplayDateStart.GetValueOrDefault(DateTime.MinValue)) < 0 || DateTime.Compare(dateToAdd, _owner.DisplayDateEnd.GetValueOrDefault(DateTime.MaxValue)) > 0)
{
mybutton.IsEnabled = false;
mybutton.Opacity = 0;
}
else
{
//SET IF THE DAY IS SELECTABLE OR NOT
if (_owner.SelectableDateEnd != null || _owner.SelectableDateStart != null)
{
if (DateTime.Compare(dateToAdd, _owner.SelectableDateEnd.GetValueOrDefault(DateTime.MaxValue)) < 1 &&
DateTime.Compare(dateToAdd, _owner.SelectableDateStart.GetValueOrDefault(DateTime.MinValue)) > -1)
{
mybutton.IsDisabled = false;
mybutton.IsEnabled = true;
}
else
{
mybutton.IsDisabled = true;
mybutton.IsEnabled = false;
}
}
else
{
if (_owner.AreDatesInPastSelectable)
{
mybutton.IsDisabled = false;
mybutton.IsEnabled = true;
}
else
{
if (DateTime.Compare(dateToAdd, DateTime.Today) > -1)
{
mybutton.IsDisabled = false;
mybutton.IsEnabled = true;
}
else
{
mybutton.IsDisabled = true;
mybutton.IsEnabled = false;
}
}
}
//SET IF THE DAY IS INACTIVE OR NOT
if (CompareYearMonth(dateToAdd, (DateTime)_owner.DisplayDate) != 0)
{
mybutton.IsInactive = true;
}
else
{
mybutton.IsInactive = false;
}
//SET IF THE DAY IS TODAY OR NOT
if (_owner.IsTodayHighlighted && dateToAdd == DateTime.Today)
{
mybutton.IsToday = true;
}
else
{
mybutton.IsToday = false;
}
//SET IF THE DAY IS SELECTED OR NOT
if (DateTime.Compare(dateToAdd, _owner.SelectedDate.GetValueOrDefault(DateTime.MinValue)) == 0)
{
mybutton.IsSelected = true;
mybutton.IsTabStop = true;
mybutton.IsCurrent = true;
_currentButton = mybutton;
}
else
{
mybutton.IsSelected = false;
mybutton.IsTabStop = false;
mybutton.IsCurrent = false;
}
}
}
private static void EnsureDayStyle(DayButton day, Style oldCalendarDayStyle, Style newCalendarDayStyle)
{
Debug.Assert(day != null);
if (newCalendarDayStyle != null)
{
//
if (day != null && (day.Style == null || day.Style == oldCalendarDayStyle))
{
day.Style = newCalendarDayStyle;
}
}
}
public void UpdateMonthMode()
{
Debug.Assert(this._owner.DisplayDate != null);
_currentMonth = (DateTime)this._owner.DisplayDate;
_firstDayOfWeek = this._owner.FirstDayOfWeek;
if ( _currentMonth != null)
{
int year = _calendar.GetYear(_currentMonth);
int month = _calendar.GetMonth(_currentMonth);
DateTime firstDayOfMonth = new DateTime(year, month, 1);
if (this._headerButton != null)
{
this._headerButton.Content = string.Format(CultureInfo.CurrentCulture, Resource.Calendar_MonthViewHeaderText,
CultureInfo.CurrentCulture.DateTimeFormat.MonthNames[month - 1],
year.ToString(CultureInfo.CurrentCulture));
this._headerButton.IsEnabled = true;
}
int lastMonthToDisplay = PreviousMonthDays(firstDayOfMonth);
DateTime dateToAdd = _calendar.AddDays(firstDayOfMonth, -lastMonthToDisplay);
DateTime firstDayOfNextMonth = _calendar.AddMonths(firstDayOfMonth, 1);
// check to see if Prev/Next Buttons will be displayed
if (_previousButton != null)
{
if (DateTime.Compare(_owner.DisplayDateStart.GetValueOrDefault(DateTime.MinValue), firstDayOfMonth) > -1)
{
_previousButton.IsEnabled = false;
}
else
{
_previousButton.IsEnabled = true;
}
}
if (_nextButton != null)
{
if (DateTime.Compare(_owner.DisplayDateEnd.GetValueOrDefault(DateTime.MaxValue), firstDayOfNextMonth) < 0)
{
_nextButton.IsEnabled = false;
}
else
{
_nextButton.IsEnabled = true;
}
}
int count = 0;
if (_monthGrid != null)
{
Debug.Assert(_monthGrid.Children.Count == COLS * ROWS);
//Set the day titles
foreach (object child in _monthGrid.Children)
{
if (count < (COLS))
{
//this assumes that the day titles are always text blocks
TextBlock daytitle = child as TextBlock;
Debug.Assert(daytitle != null);
daytitle.Text = CultureInfo.CurrentCulture.DateTimeFormat.AbbreviatedDayNames[(count + (int)_firstDayOfWeek) % NUMBER_OF_DAYS_IN_WEEK];
}
else
{
DayButton mybutton = child as DayButton;
Debug.Assert(mybutton != null);
SetButtonState(mybutton, dateToAdd);
mybutton.IsTabStop = false;
if (_currentButton == null)
{
if (_owner.SelectedDate == null && mybutton.IsToday)
{
mybutton.IsTabStop = true;
_currentButton = mybutton;
mybutton.IsCurrent = true;
}
else
{
if (mybutton.IsSelected)
{
mybutton.IsTabStop = true;
_currentButton = mybutton;
mybutton.IsCurrent = true;
}
}
}
mybutton.Content = String.Format(CultureInfo.CurrentCulture, "{0,2}", dateToAdd.Day);
mybutton.DataContext = dateToAdd;
dateToAdd = _calendar.AddDays(dateToAdd, 1);
}
count++;
}
}
}
}
private void SetButtonState(DayButton mybutton, DateTime dateToAdd)
{
mybutton.Opacity = 1;
if (DateTime.Compare(dateToAdd, _owner.DisplayDateStart.GetValueOrDefault(DateTime.MinValue)) < 0 || DateTime.Compare(dateToAdd, _owner.DisplayDateEnd.GetValueOrDefault(DateTime.MaxValue)) > 0)
{
mybutton.IsEnabled = false;
mybutton.Opacity = 0;
}
else
{
//SET IF THE DAY IS SELECTABLE OR NOT
if (_owner.SelectableDateEnd != null || _owner.SelectableDateStart != null)
{
if (DateTime.Compare(dateToAdd, _owner.SelectableDateEnd.GetValueOrDefault(DateTime.MaxValue)) < 1 &&
DateTime.Compare(dateToAdd, _owner.SelectableDateStart.GetValueOrDefault(DateTime.MinValue)) > -1)
{
mybutton.IsDisabled = false;
mybutton.IsEnabled = true;
}
else
{
mybutton.IsDisabled = true;
mybutton.IsEnabled = false;
}
}
else
{
if (_owner.AreDatesInPastSelectable)
{
mybutton.IsDisabled = false;
mybutton.IsEnabled = true;
}
else
{
if (DateTime.Compare(dateToAdd, DateTime.Today) > -1)
{
mybutton.IsDisabled = false;
mybutton.IsEnabled = true;
}
else
{
mybutton.IsDisabled = true;
mybutton.IsEnabled = false;
}
}
}
//SET IF THE DAY IS INACTIVE OR NOT
if (CompareYearMonth(dateToAdd, (DateTime)_owner.DisplayDate) != 0)
{
mybutton.IsInactive = true;
}
else
{
mybutton.IsInactive = false;
}
//SET IF THE DAY IS TODAY OR NOT
if (_owner.IsTodayHighlighted && dateToAdd == DateTime.Today)
{
mybutton.IsToday = true;
}
else
{
mybutton.IsToday = false;
}
//SET IF THE DAY IS SELECTED OR NOT
if (DateTime.Compare(dateToAdd, _owner.SelectedDate.GetValueOrDefault(DateTime.MinValue)) == 0)
{
mybutton.IsSelected = true;
mybutton.IsTabStop = true;
mybutton.IsCurrent = true;
_currentButton = mybutton;
}
else
{
mybutton.IsSelected = false;
mybutton.IsTabStop = false;
mybutton.IsCurrent = false;
}
}
}
private void PopulateGrids()
{
if (_monthGrid != null)
{
for (int i = 0; i < COLS; i++)
{
if (_dayTitleTemplate != null)
{
FrameworkElement cell = (FrameworkElement)this._dayTitleTemplate.LoadContent();
cell.SetValue(Grid.RowProperty, 0);
cell.SetValue(Grid.ColumnProperty, i);
this._monthGrid.Children.Add(cell);
}
}
for (int i = 1; i < ROWS; i++)
{
for (int j = 0; j < COLS; j++)
{
DayButton cell = new DayButton();
cell.SetValue(Grid.RowProperty, i);
cell.SetValue(Grid.ColumnProperty, j);
((DayButton)cell).Click += new RoutedEventHandler(Cell_Click);
if (_owner.DayStyle != null)
{
cell.Style = _owner.DayStyle;
}
this._monthGrid.Children.Add(cell);
}
}
}
if (_yearViewGrid != null)
{
MonthButton month;
int count = 0;
for (int i = 0; i < YEAR_ROWS; i++)
{
for (int j = 0; j < YEAR_COLS; j++)
{
month = new MonthButton();
month.SetValue(Grid.RowProperty, i);
month.SetValue(Grid.ColumnProperty, j);
month.MouseLeftButtonUp += new MouseButtonEventHandler(Month_MouseLeftButtonUp);
if (_owner.MonthStyle != null)
{
month.Style = _owner.MonthStyle;
}
this._yearViewGrid.Children.Add(month);
count++;
}
}
}
}
public void UpdateSelectedDate(DateTime? addedDate, DateTime? removedDate)
{
int count = 1;
if (addedDate != removedDate && _monthGrid != null)
{
foreach (object child in _monthGrid.Children)
{
if (count > COLS)
{
DayButton mybutton = child as DayButton;
Debug.Assert(mybutton != null);
DateTime current = (DateTime)mybutton.DataContext;
if (current != null)
{
if (addedDate != null)
{
if (DateTime.Compare(current, (DateTime)addedDate) == 0)
{
if (_currentButton != null)
{
_currentButton.IsCurrent = false;
_currentButton.IsTabStop = false;
}
mybutton.IsSelected = true;
mybutton.IsTabStop = true;
mybutton.IsCurrent = true;
_currentButton = mybutton;
}
}
if (removedDate != null)
{
if (DateTime.Compare(current, (DateTime)removedDate) == 0)
{
mybutton.IsSelected = false;
mybutton.IsTabStop = false;
mybutton.IsCurrent = false;
}
}
}
}
count++;
}
}
}