internal override void OnPropertyChanged(RadPropertyEventArgs e)
{
base.OnPropertyChanged(e);
if (e.Key == DisplayDatePropertyKey)
{
DateTime oldDisplayDate = DateTime.MinValue;
if (e.OldValue != null)
{
oldDisplayDate = (DateTime)e.OldValue;
}
DateTime newDisplayDate = DateTime.MinValue;
if (e.NewValue != null)
{
newDisplayDate = (DateTime)e.NewValue;
}
if (CalendarMathHelper.IsCalendarViewChanged(oldDisplayDate, newDisplayDate, this.DisplayMode))
{
this.Invalidate();
}
}
else if (e.Key == DisplayModePropertyKey)
{
this.UpdateCurrentView();
}
}
internal bool MoveCurrentDown(bool isControlModifierDown)
{
bool handled = false;
if (isControlModifierDown)
{
if (this.CurrentDate != DateTime.MinValue && this.Owner.DisplayMode != CalendarDisplayMode.MonthView)
{
this.Owner.RaiseMoveToLowerCommand(this.CurrentDate);
// CurrentDate is not changed but we need to update the visuals on view change.
this.AsyncUpdateCurrencyPresenters(this.CurrentDate, this.CurrentDate);
handled = true;
}
}
else
{
if (this.CurrentDate == DateTime.MinValue)
{
this.CurrentDate = CalendarMathHelper.GetFirstDateForCurrentDisplayUnit(this.Owner.DisplayDate, this.Owner.DisplayMode);
}
else
{
DateTime dateToNavigate = CalendarMathHelper.IncrementByCell(this.CurrentDate, this.Owner.Model.ColumnCount, this.Owner.DisplayMode);
this.Owner.RaiseMoveToDateCommand(dateToNavigate);
this.CurrentDate = dateToNavigate;
}
handled = true;
}
return(handled);
}
internal bool MoveCurrentToLast()
{
bool handled = true;
this.CurrentDate = CalendarMathHelper.GetLastDateForCurrentDisplayUnit(this.Owner.DisplayDate, this.Owner.DisplayMode);
return(handled);
}
internal DateTime GetFirstDateToRenderForDisplayMode(DateTime date, CalendarDisplayMode displayMode)
{
date = date.Date;
DateTime firstDateToRender = date;
if (displayMode == CalendarDisplayMode.MultiDayView)
{
DayOfWeek firstDayOfWeek = this.GetFirstDayOfWeek();
DateTime firstDateOfCurrentWeek = CalendarMathHelper.GetFirstDayOfCurrentWeek(date, firstDayOfWeek);
if (!(firstDateOfCurrentWeek.Date <= date.Date && firstDateOfCurrentWeek.AddDays(7).Date >= date.Date))
{
firstDateToRender = firstDateOfCurrentWeek;
}
if (!this.multiDayViewSettings.WeekendsVisible)
{
firstDateToRender = CalendarMathHelper.AddBusinessDays(date, -this.multiDayViewSettings.VisibleDays);
}
else
{
firstDateToRender = date.AddDays(-this.multiDayViewSettings.VisibleDays);
}
}
else if (displayMode == CalendarDisplayMode.MonthView)
{
DayOfWeek firstDayOfWeekToUse = this.GetFirstDayOfWeek();
DateTime monthStartDate = CalendarMathHelper.GetFirstDateOfMonth(date);
int daysToSubtract = (int)monthStartDate.DayOfWeek - (int)firstDayOfWeekToUse;
if (daysToSubtract <= 0)
{
daysToSubtract += 7;
}
firstDateToRender = monthStartDate.Date == DateTime.MinValue.Date ? monthStartDate : monthStartDate.AddDays(-daysToSubtract);
}
else if (displayMode == CalendarDisplayMode.YearView)
{
firstDateToRender = CalendarMathHelper.GetFirstDateOfYear(date);
}
else if (displayMode == CalendarDisplayMode.DecadeView)
{
firstDateToRender = CalendarMathHelper.GetFirstDateOfDecade(date);
}
else if (displayMode == CalendarDisplayMode.CenturyView)
{
firstDateToRender = CalendarMathHelper.GetFirstDateOfCentury(date);
}
return(firstDateToRender);
}
internal override DateTime GetFirstDateToRender(DateTime date)
{
DayOfWeek firstDayOfWeek = this.Calendar.GetFirstDayOfWeek();
DateTime firstDateOfCurrentWeek = CalendarMathHelper.GetFirstDayOfCurrentWeek(date, firstDayOfWeek);
if (firstDateOfCurrentWeek.Date <= date.Date && firstDateOfCurrentWeek.AddDays(7).Date >= date.Date)
{
return(date);
}
return(firstDateOfCurrentWeek);
}
internal override DateTime GetFirstDateToRender(DateTime date)
{
DayOfWeek firstDayOfWeekToUse = this.Calendar.GetFirstDayOfWeek();
DateTime monthStartDate = CalendarMathHelper.GetFirstDateOfMonth(date);
int daysToSubtract = (int)monthStartDate.DayOfWeek - (int)firstDayOfWeekToUse;
if (daysToSubtract <= 0)
{
daysToSubtract += 7;
}
return(monthStartDate.Date == DateTime.MinValue.Date ? monthStartDate : monthStartDate.AddDays(-daysToSubtract));
}
internal static DateTime GetCellDateForViewLevel(DateTime date, CalendarDisplayMode displayMode)
{
switch (displayMode)
{
case CalendarDisplayMode.YearView:
return(CalendarMathHelper.GetFirstDateOfMonth(date));
case CalendarDisplayMode.DecadeView:
return(CalendarMathHelper.GetFirstDateOfYear(date));
case CalendarDisplayMode.CenturyView:
return(CalendarMathHelper.GetFirstDateOfDecade(date));
default:
return(date);
}
}
internal override DateTime GetNextDateToRender(DateTime date)
{
if (date.Date == DateTime.MaxValue.Date)
{
return(date);
}
if (!this.Calendar.multiDayViewSettings.WeekendsVisible)
{
date = CalendarMathHelper.AddBusinessDays(date, 1);
}
else
{
date = date.AddDays(1);
}
return(date);
}
internal static DateTime GetLastDateForCurrentDisplayUnit(DateTime date, CalendarDisplayMode displayMode)
{
// NOTE: Ignore time part for calendar calculations.
date = date.Date;
switch (displayMode)
{
case CalendarDisplayMode.YearView:
return(CalendarMathHelper.GetLastDateOfYearView(date));
case CalendarDisplayMode.DecadeView:
return(CalendarMathHelper.GetLastDateOfDecadeView(date));
case CalendarDisplayMode.CenturyView:
return(CalendarMathHelper.GetLastDateOfCenturyView(date));
default:
return(CalendarMathHelper.GetLastDateOfMonthView(date));
}
}
internal static bool IsCalendarViewChanged(DateTime displayDate, DateTime newDisplayDate, CalendarDisplayMode displayMode)
{
// NOTE: Ignore time part for calendar calculations.
displayDate = displayDate.Date;
newDisplayDate = newDisplayDate.Date;
switch (displayMode)
{
case CalendarDisplayMode.YearView:
return(displayDate.Year != newDisplayDate.Year);
case CalendarDisplayMode.DecadeView:
return(CalendarMathHelper.GetFirstDateOfDecade(displayDate) != CalendarMathHelper.GetFirstDateOfDecade(newDisplayDate));
case CalendarDisplayMode.CenturyView:
return(CalendarMathHelper.GetFirstDateOfCentury(displayDate) != CalendarMathHelper.GetFirstDateOfCentury(newDisplayDate));
default:
return(CalendarMathHelper.GetFirstDateOfMonth(displayDate) != CalendarMathHelper.GetFirstDateOfMonth(newDisplayDate));
}
}
internal override DateTime GetFirstDateToRender(DateTime date)
{
DayOfWeek firstDayOfWeek = this.Calendar.GetFirstDayOfWeek();
DateTime firstDateOfCurrentWeek = CalendarMathHelper.GetFirstDayOfCurrentWeek(date, firstDayOfWeek);
if (!(firstDateOfCurrentWeek.Date <= date.Date && firstDateOfCurrentWeek.AddDays(7).Date >= date.Date))
{
date = firstDateOfCurrentWeek;
}
if (!this.Calendar.multiDayViewSettings.WeekendsVisible)
{
date = CalendarMathHelper.AddBusinessDays(date, -this.BufferItemsCount);
}
else
{
date = date.AddDays(-this.BufferItemsCount);
}
return(date);
}
private void UpdatePresenters(DateTime oldCurrentDate, DateTime newCurrentDate)
{
if (this.currentCellsToUpdate == null)
{
this.currentCellsToUpdate = new List <CalendarCellModel>();
}
else
{
this.currentCellsToUpdate.Clear();
}
if (oldCurrentDate != DateTime.MinValue && oldCurrentDate != newCurrentDate)
{
oldCurrentDate = CalendarMathHelper.GetCellDateForViewLevel(oldCurrentDate, this.Owner.DisplayMode);
CalendarCellModel previousCell = this.Owner.GetCellByDate(oldCurrentDate);
if (previousCell != null)
{
previousCell.IsCurrent = false;
this.currentCellsToUpdate.Add(previousCell);
}
}
if (newCurrentDate != DateTime.MinValue)
{
newCurrentDate = CalendarMathHelper.GetCellDateForViewLevel(newCurrentDate, this.Owner.DisplayMode);
if (newCurrentDate == oldCurrentDate && this.currentCellsToUpdate.Count > 0)
{
return;
}
CalendarCellModel currentCell = this.Owner.GetCellByDate(newCurrentDate);
if (currentCell != null)
{
currentCell.IsCurrent = true;
this.currentCellsToUpdate.Add(currentCell);
}
}
this.Owner.UpdatePresenters(this.currentCellsToUpdate);
}
internal bool MoveCurrentUp(bool isControlModifierDown)
{
bool handled = false;
if (isControlModifierDown)
{
if (this.Owner.DisplayMode != CalendarDisplayMode.CenturyView)
{
this.Owner.RaiseMoveToUpperViewCommand();
if (this.CurrentDate != DateTime.MinValue)
{
this.AsyncUpdateCurrencyPresenters(this.CurrentDate, this.CurrentDate);
}
handled = true;
}
}
else
{
if (this.CurrentDate == DateTime.MinValue)
{
this.CurrentDate = CalendarMathHelper.GetFirstDateForCurrentDisplayUnit(this.Owner.DisplayDate, this.Owner.DisplayMode);
}
else
{
DateTime dateToNavigate = CalendarMathHelper.IncrementByCell(this.CurrentDate, -this.Owner.Model.ColumnCount, this.Owner.DisplayMode);
this.Owner.RaiseMoveToDateCommand(dateToNavigate);
this.CurrentDate = dateToNavigate;
}
handled = true;
}
return(handled);
}
internal bool MoveCurrentToNext(bool isControlModifierDown)
{
bool handled = true;
if (isControlModifierDown)
{
if (this.CurrentDate == DateTime.MinValue)
{
DateTime dateToNavigate = CalendarMathHelper.IncrementByView(this.Owner.DisplayDate, 1, this.Owner.DisplayMode);
this.Owner.RaiseMoveToDateCommand(dateToNavigate);
}
else
{
DateTime dateToNavigate = CalendarMathHelper.IncrementByView(this.CurrentDate, 1, this.Owner.DisplayMode);
this.Owner.RaiseMoveToDateCommand(dateToNavigate);
this.CurrentDate = dateToNavigate;
}
}
else
{
if (this.CurrentDate == DateTime.MinValue)
{
this.CurrentDate = CalendarMathHelper.GetFirstDateForCurrentDisplayUnit(this.Owner.DisplayDate, this.Owner.DisplayMode);
}
else
{
DateTime dateToNavigate = CalendarMathHelper.IncrementByCell(this.CurrentDate, 1, this.Owner.DisplayMode);
this.Owner.RaiseMoveToDateCommand(dateToNavigate);
this.CurrentDate = dateToNavigate;
}
}
return(handled);
}
internal override DateTime GetNextDateToRender(DateTime date)
{
return(CalendarMathHelper.CouldAddYearsToDate(date.Year + 1) ? date.AddYears(1) : date);
}
private void ArrangeAllDayAppointment(RadRect viewRect)
{
AppointmentSource appointmentSource = this.Calendar.appointmentSource;
if (this.allDayAppointmentInfos == null)
{
this.allDayAppointmentInfos = new List <CalendarAppointmentInfo>();
}
else
{
this.allDayAppointmentInfos.Clear();
}
if (appointmentSource != null)
{
MultiDayViewSettings settings = this.Calendar.multiDayViewSettings;
double appoitmentHeight = settings.AllDayAppointmentMinHeight;
foreach (var cell in this.CalendarCells)
{
LinkedList <IAppointment> appointments = appointmentSource.GetAppointments((IAppointment appointment) =>
{
return(cell.Date.Date >= appointment.StartDate.Date && cell.Date.Date <= appointment.EndDate.Date && appointment.IsAllDay);
});
if (appointments.Count > this.allDayAreaRowCount)
{
this.allDayAreaRowCount = appointments.Count;
}
var sorterAppointments = appointments.OrderByDescending(a => a.EndDate.Ticks - a.StartDate.Ticks).ToList();
var containedInfos = this.allDayAppointmentInfos.Where(a => sorterAppointments.Contains(a.childAppointment));
double prevBottom = cell.layoutSlot.Y - this.dayViewLayoutSlot.Y;
foreach (var appointment in sorterAppointments)
{
while (true)
{
int widthCoeff;
int xCoeff;
DateTime startAppointmentDate = appointment.StartDate;
if (this.Calendar.multiDayViewSettings.WeekendsVisible)
{
widthCoeff = (appointment.EndDate - startAppointmentDate).Days;
xCoeff = (cell.Date - startAppointmentDate.Date).Days;
}
else
{
widthCoeff = CalendarMathHelper.GetBusinessDaysCount(startAppointmentDate, appointment.EndDate);
startAppointmentDate = CalendarMathHelper.SetFirstAvailableBusinessDay(startAppointmentDate, 1);
xCoeff = CalendarMathHelper.GetBusinessDaysCount(startAppointmentDate.Date, cell.Date);
}
RadRect layoutSlot = new RadRect(cell.layoutSlot.X - (xCoeff * this.cellWidth), prevBottom, this.cellWidth + (this.cellWidth * widthCoeff) - this.Calendar.GridLinesThickness / 2, appoitmentHeight);
if (containedInfos.FirstOrDefault(a => a.layoutSlot.IntersectsWith(layoutSlot)) == null)
{
CalendarAppointmentInfo containedInfo = containedInfos.FirstOrDefault(a => a.childAppointment == appointment);
if (containedInfo != null)
{
break;
}
CalendarAppointmentInfo info = new CalendarAppointmentInfo();
info.Date = cell.Date;
info.Appointments = appointments;
info.columnIndex = cell.ColumnIndex;
info.Brush = appointment.Color;
info.cell = cell;
info.childAppointment = appointment;
info.DetailText = appointment.Description;
info.Subject = appointment.Subject;
info.IsAllDay = appointment.IsAllDay;
info.layoutSlot = layoutSlot;
this.allDayAppointmentInfos.Add(info);
prevBottom = layoutSlot.Bottom + settings.AllDayAppointmentSpacing;
break;
}
prevBottom = layoutSlot.Bottom + settings.AllDayAppointmentSpacing;
}
}
}
int maxVisibleRows = settings.AllDayMaxVisibleRows;
this.totalAllDayAreaHeight = this.allDayAreaRowCount > maxVisibleRows
? maxVisibleRows * appoitmentHeight + maxVisibleRows * settings.AllDayAppointmentSpacing + appoitmentHeight / 2
: this.allDayAreaRowCount * appoitmentHeight + this.allDayAreaRowCount * settings.AllDayAppointmentSpacing;
if (this.allDayAreaRowCount == 0)
{
this.totalAllDayAreaHeight = 0;
}
}
}
internal void ArrangeAppointments()
{
AppointmentSource appointmentSource = this.Calendar.appointmentSource;
if (this.appointmentInfos == null)
{
this.appointmentInfos = new List <CalendarAppointmentInfo>();
}
else
{
this.appointmentInfos.Clear();
}
if (appointmentSource != null)
{
MultiDayViewSettings settings = this.Calendar.multiDayViewSettings;
foreach (var calendarCell in this.CalendarCells)
{
LinkedList <IAppointment> appointmentsPerCell = appointmentSource.GetAppointments((IAppointment appointment) =>
{
return(calendarCell.Date.Date >= appointment.StartDate.Date &&
calendarCell.Date.Date <= appointment.EndDate.Date && !(appointment.IsAllDay && settings.ShowAllDayArea));
});
var orderedAppointments = new LinkedList <IAppointment>(appointmentsPerCell.OrderBy(a => a.StartDate));
foreach (var appointment in orderedAppointments)
{
if ((appointment.StartDate.Date == calendarCell.Date.Date && appointment.StartDate.TimeOfDay > settings.DayEndTime) ||
(appointment.EndDate.Date == calendarCell.Date.Date && appointment.EndDate.TimeOfDay < settings.DayStartTime))
{
continue;
}
double startY = this.DateToVerticalPosition(calendarCell.Date.Date, appointment.StartDate);
DateTime endDate = appointment.EndDate.TimeOfDay > settings.DayEndTime
? appointment.EndDate.Add(TimeSpan.FromTicks(settings.DayEndTime.Ticks - appointment.EndDate.TimeOfDay.Ticks))
: appointment.EndDate;
double endY = this.DateToVerticalPosition(calendarCell.Date.Date, endDate);
if (startY < endY)
{
CalendarAppointmentInfo info = new CalendarAppointmentInfo();
info.Date = calendarCell.Date;
info.Appointments = orderedAppointments;
info.columnIndex = calendarCell.ColumnIndex;
info.Brush = appointment.Color;
info.cell = calendarCell;
info.childAppointment = appointment;
info.DetailText = appointment.Description;
info.Subject = appointment.Subject;
info.IsAllDay = appointment.IsAllDay;
DateTime currentAppointmentStartDate = appointment.StartDate;
DateTime currentAppointmentEndDate = appointment.EndDate;
if (!this.Calendar.multiDayViewSettings.WeekendsVisible)
{
currentAppointmentStartDate = CalendarMathHelper.SetFirstAvailableBusinessDay(currentAppointmentStartDate, 1);
currentAppointmentEndDate = CalendarMathHelper.SetFirstAvailableBusinessDay(currentAppointmentEndDate, -1);
}
info.hasPreviousDay = currentAppointmentStartDate.Date < calendarCell.Date;
info.hasNextDay = currentAppointmentEndDate.Date > calendarCell.Date;
int xCoeff = (calendarCell.Date - appointment.StartDate.Date).Days;
RadRect layoutSlot = new RadRect(calendarCell.layoutSlot.X - this.timeRulerWidth, startY, calendarCell.layoutSlot.Width, endY - startY);
info.layoutSlot = layoutSlot;
this.appointmentInfos.Add(info);
}
}
}
this.ArrangeIntersectedAppointments();
}
}
internal override DateTime GetFirstDateToRender(DateTime date)
{
return(CalendarMathHelper.GetFirstDateOfCentury(date));
}
private static DateTime GetLastDateOfCenturyView(DateTime date)
{
return(CalendarMathHelper.GetFirstDateOfCentury(date).AddYears(90));
}
private static DateTime GetLastDateOfDecadeView(DateTime date)
{
return(CalendarMathHelper.GetFirstDateOfDecade(date).AddYears(9));
}
private static DateTime GetLastDateOfMonthView(DateTime date)
{
return(CalendarMathHelper.GetFirstDateOfMonth(date).AddMonths(1).AddDays(-1));
}
internal override DateTime GetFirstDateToRender(DateTime date)
{
return CalendarMathHelper.GetFirstDateOfDecade(date);
}