internal void ScrollAppointmentIntoView(IAppointment appointment)
{
RadCalendar calendar = this.Owner;
if (calendar != null)
{
CalendarMultiDayViewModel model = calendar.Model.multiDayViewModel;
var appointmentInfos = model.appointmentInfos;
if (appointmentInfos != null && appointmentInfos.Count > 0)
{
DateTime startDate = calendar.DisplayDate;
DateTime endDate = calendar.DisplayDate.AddDays(calendar.MultiDayViewSettings.VisibleDays - 1);
CalendarAppointmentInfo appointmentInfo = appointmentInfos.FirstOrDefault(a => a.childAppointment == appointment && startDate <= a.Date && endDate >= a.Date);
if (appointmentInfo != null)
{
RadRect layoutSlot = appointmentInfo.layoutSlot;
if (this.scrollViewer.VerticalOffset != layoutSlot.Y)
{
this.isScrollingInvoked = true;
this.scrollViewer.ChangeView(0.0f, layoutSlot.Y, 1.0f);
}
}
}
}
}
private void SetColumnsOfIntersectedAppointments(IEnumerable <CalendarAppointmentInfo> intersectedAppointments, CalendarAppointmentInfo parentAppointmentInfo, int columnIndex)
{
for (int i = 0; i < intersectedAppointments.Count(); i++)
{
CalendarAppointmentInfo app = intersectedAppointments.ElementAt(i);
if (app == parentAppointmentInfo)
{
int index = columnIndex;
while (intersectedAppointments.Any(a => a.arrangeColumnIndex == index))
{
index++;
}
app.arrangeColumnIndex = index;
continue;
}
if (app.arrangeColumnIndex == null)
{
IEnumerable <CalendarAppointmentInfo> childIntersectedAppointments = intersectedAppointments
.Where(a => a.layoutSlot.IntersectsWith(app.layoutSlot) && a.columnIndex == app.columnIndex);
this.SetColumnsOfIntersectedAppointments(childIntersectedAppointments, app, columnIndex + 1);
}
}
}
/// <summary>
/// Evaluates the appearance settings to be applied on the respective calendar appointment control.
/// </summary>
/// <param name="context">The CalendarAppointmentInfo context.</param>
/// <param name="cell">The CalendarCellModel cell.</param>
public DataTemplate SelectTemplate(CalendarAppointmentInfo context, CalendarCellModel cell)
{
if (cell == null)
{
return(null);
}
return(this.SelectTemplateCore(context, cell));
}
internal void UpdateUI(IEnumerable <CalendarCellModel> cellsToUpdate = null)
{
if (this.Owner.AppointmentSource == null)
{
return;
}
if (cellsToUpdate == null)
{
cellsToUpdate = this.Owner.Model.CalendarCells;
}
int index = 0;
RadCalendar calendar = this.Owner;
foreach (CalendarCellModel cell in cellsToUpdate)
{
CalendarAppointmentInfo info = new CalendarAppointmentInfo();
info.Date = cell.Date;
info.Appointments = this.Owner.AppointmentSource.GetAppointments((IAppointment appointment) =>
{
return(cell.Date.Date >= appointment.StartDate.Date && cell.Date.Date <= appointment.EndDate.Date);
});
if (info.Appointments.Count > 0)
{
foreach (var appointment in info.Appointments)
{
info.Subject += (info.Subject != null ? Environment.NewLine : string.Empty) + appointment.Subject;
}
var element = this.GetDefaultVisual(index);
element.Clip = new RectangleGeometry()
{
Rect = new Rect(0, 0, cell.LayoutSlot.Width, cell.LayoutSlot.Height)
};
element.appointmentInfo = info;
calendar.PrepareContainerForAppointment(element, info);
RadRect layoutSlot = cell.layoutSlot;
layoutSlot = XamlContentLayerHelper.ApplyLayoutSlotAlignment(element, layoutSlot);
XamlContentLayer.ArrangeUIElement(element, layoutSlot, false);
index++;
}
}
while (index < this.realizedCalendarCellDefaultPresenters.Count)
{
this.realizedCalendarCellDefaultPresenters[index].Visibility = Visibility.Collapsed;
index++;
}
}
private void ArrangeIntersectedAppointments()
{
double gridLineThickness = this.Calendar.GridLinesThickness > 0 ? this.Calendar.GridLinesThickness : 1;
foreach (var appointmentInfo in this.appointmentInfos)
{
if (!appointmentInfo.isArranged)
{
List <CalendarAppointmentInfo> intersectedAppointments = this.appointmentInfos.Where(a => a.layoutSlot.IntersectsWith(appointmentInfo.layoutSlot) && a.columnIndex == appointmentInfo.columnIndex).ToList();
int intersectedAppointmentsCount = intersectedAppointments.Count;
if (intersectedAppointmentsCount > 1)
{
this.SetColumnsOfIntersectedAppointments(intersectedAppointments, appointmentInfo, 0);
int columnsCount = intersectedAppointments.Max(a => a.arrangeColumnIndex.Value) + 1;
var orderedIntersectedAppointments = intersectedAppointments.OrderBy(a => a.arrangeColumnIndex).ToList();
double maxWidth = appointmentInfo.layoutSlot.Width / columnsCount;
for (int i = 0; i < intersectedAppointmentsCount; i++)
{
CalendarAppointmentInfo intersectedAppointment = orderedIntersectedAppointments[i];
if (!intersectedAppointment.isArranged)
{
RadRect layout = intersectedAppointment.layoutSlot;
layout.X = layout.X + (maxWidth * intersectedAppointment.arrangeColumnIndex.Value);
layout.Width = maxWidth;
intersectedAppointment.layoutSlot = layout;
intersectedAppointment.isArranged = true;
}
else
{
RadRect layout = intersectedAppointment.layoutSlot;
if (layout.Width > maxWidth)
{
this.OffsetChildIntersectedAppointments(intersectedAppointment, maxWidth);
}
}
}
}
}
}
}
private void OffsetChildIntersectedAppointments(CalendarAppointmentInfo intersectedAppointment, double maxWidth)
{
var childIntersectedAppointments = this.appointmentInfos.Where(a => a.layoutSlot.IntersectsWith(intersectedAppointment.layoutSlot) &&
a.columnIndex == intersectedAppointment.columnIndex).ToList();
RadRect layout = intersectedAppointment.layoutSlot;
double offset = (layout.Width - maxWidth) * intersectedAppointment.arrangeColumnIndex.Value;
layout.X -= offset;
layout.Width = maxWidth;
intersectedAppointment.layoutSlot = layout;
foreach (CalendarAppointmentInfo app in childIntersectedAppointments)
{
if (app.isArranged && app.layoutSlot.Width > maxWidth)
{
this.OffsetChildIntersectedAppointments(app, maxWidth);
}
}
}
private AppointmentControl GetDefaultAllDayAppointmentVisual(CalendarAppointmentInfo info)
{
AppointmentControl visual;
if (this.recycledAppointments.Count > 0)
{
visual = this.recycledAppointments.Dequeue();
}
else if (this.fullyRecycledAppointments.Count > 0)
{
visual = this.fullyRecycledAppointments.Dequeue();
visual.ClearValue(AppointmentControl.VisibilityProperty);
}
else
{
visual = this.CreateDefaultAllDayAppointmentVisual();
}
this.realizedAppointmentPresenters.Add(info, visual);
return(visual);
}
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 void UpdateUI(IEnumerable <CalendarCellModel> cellsToUpdate = null)
{
if (this.Owner.AppointmentSource == null)
{
return;
}
if (cellsToUpdate == null)
{
cellsToUpdate = this.Owner.Model.CalendarCells;
}
int index = 0;
RadCalendar calendar = this.Owner;
foreach (CalendarCellModel cell in cellsToUpdate)
{
CalendarAppointmentInfo info = new CalendarAppointmentInfo();
info.Date = cell.Date;
info.Appointments = this.Owner.AppointmentSource.GetAppointments((IAppointment appointment) =>
{
return(cell.Date.Date >= appointment.StartDate.Date && cell.Date.Date <= appointment.EndDate.Date);
});
if (info.Appointments.Count > 0)
{
AppointmentControl element = new AppointmentControl();
foreach (var appointment in info.Appointments)
{
info.Subject += (info.Subject != null ? Environment.NewLine : string.Empty) + appointment.Subject;
}
element = this.GetDefaultVisual(index);
element.Clip = new RectangleGeometry()
{
Rect = new Rect(0, 0, cell.LayoutSlot.Width, cell.LayoutSlot.Height)
};
element.Header = info.Subject;
element.Background = info.Brush;
element.appointmentInfo = info;
XamlContentLayerHelper.MeasureVisual(element);
if (element != null)
{
StyleSelector styleSelector = calendar.AppointmentStyleSelector;
if (styleSelector != null)
{
var style = styleSelector.SelectStyle(info, element);
if (style != null)
{
element.Style = style;
}
}
AppointmentTemplateSelector headerTemplateSelector = calendar.AppointmentHeaderTemplateSelector;
if (headerTemplateSelector != null)
{
DataTemplate template = headerTemplateSelector.SelectTemplate(info, info.cell);
if (template != null)
{
element.HeaderTemplate = template;
}
}
RadRect layoutSlot = cell.layoutSlot;
layoutSlot = XamlContentLayerHelper.ApplyLayoutSlotAlignment(element, layoutSlot);
XamlContentLayer.ArrangeUIElement(element, layoutSlot, false);
index++;
}
}
}
while (index < this.realizedCalendarCellDefaultPresenters.Count)
{
this.realizedCalendarCellDefaultPresenters[index].Visibility = Visibility.Collapsed;
index++;
}
}
private void RecycleAppointmentVisual(CalendarAppointmentInfo appointmentInfo, AppointmentControl visual)
{
this.realizedAppointmentPresenters.Remove(appointmentInfo);
this.recycledAppointments.Enqueue(visual);
}
/// <summary> /// When implemented by a derived class, provides a way to tap into the default calendar appointment control appearance logic through the passed /// <see cref="CalendarAppointmentInfo" /> argument instance. /// </summary> /// <param name="context">The CalendarAppointmentInfo context.</param> /// <param name="cell">The CalendarCellModel cell.</param> protected abstract DataTemplate SelectTemplateCore(CalendarAppointmentInfo context, CalendarCellModel cell);
