private void InitializeColumns()
{
if (this.Orientation == Orientation.Horizontal)
{
AppointmentSlotCollection source = this.AppointmentItemsControl != null ? this.AppointmentItemsControl.ItemsSource as AppointmentSlotCollection : null;
if (source != null)
{
var sortedAppointmentInfo = InitizlieAppointmentSlotInformation(source);
var groups = InitizlieAppointmentSlotGroup(sortedAppointmentInfo);
for (int i = 0; i < groups.Count; i++)
{
var groupInfo = groups[i];
this.columns.Add(VirtualizedAppointmentPanel.SplitToColumns(groupInfo));
}
}
}
}
private void GenerateContainers(TimeSlotItemAppointments timeSlotAppointment, AppointmentSlotCollection source)
{
var timeSlotItem = timeSlotAppointment.TimeSlotItem;
var timeSlot = timeSlotItem.TimeSlot;
var contentHost = timeSlotItem.ContentHost ?? timeSlotItem;
double contentHostHeight = contentHost.RenderSize.Height;
int childIndex = 0;
double stackDesiredSizeHeight = 0;
IItemContainerGenerator generator = this.ItemContainerGenerator;
bool generate = true;
for (int i = 0; i < timeSlotAppointment.Appointments.Count; i++)
{
if (!timeSlotAppointment.Appointments.ContainsKey(i))
{
continue;
}
var appSlot = timeSlotAppointment.Appointments[i];
if (appSlot.TimeSlot.Start != timeSlot.Start)
{
continue;
}
int itemIndex = source.IndexOf(appSlot);
UIElement child = ((System.Windows.Controls.ItemContainerGenerator)generator).ContainerFromIndex(itemIndex) as UIElement;
if (!generate)
{
if (child != null)
{
this.RecycleAppointmentItem(child, itemIndex);
}
continue;
}
if (child == null)
{
GeneratorPosition position = generator.GeneratorPositionFromIndex(itemIndex);
child = this.GenerateContainerAtPosition(position, ref childIndex);
}
Rect arrangeRect = this.GetLayoutSlot(appSlot);
if (child != null)
{
child.Measure(arrangeRect.Size);
Size desiredSize = child.DesiredSize;
int currentIndex = i + 1;
stackDesiredSizeHeight = desiredSize.Height * currentIndex;
if (this.IsVirtualizing && stackDesiredSizeHeight >= contentHostHeight)
{
var button = timeSlotItem.ShowMoreButton;
if (button != null)
{
button.Opacity = 1;
button.IsEnabled = true;
}
this.RecycleAppointmentItem(child, itemIndex);
generate = false;
}
}
}
}
internal static List <AppointmentSlotInformation> InitizlieAppointmentSlotInformation(AppointmentSlotCollection source)
{
List <AppointmentSlotInformation> slotsInfo = new List <AppointmentSlotInformation>();
int count = source.Count;
for (int i = 0; i < count; i++)
{
var appSlot = source[i];
slotsInfo.Add(new AppointmentSlotInformation()
{
Index = i, AppointmentSlot = appSlot, IsFirst = true
});
slotsInfo.Add(new AppointmentSlotInformation()
{
Index = i, AppointmentSlot = appSlot, IsFirst = false
});
}
slotsInfo.Sort((si1, si2) =>
{
int r = si1.Time.CompareTo(si2.Time);
if (r == 0)
{
r = si1.IsFirst == si2.IsFirst ? 0 : si1.IsFirst ? 1 : -1;
}
if (r == 0)
{
var duration1 = si1.AppointmentSlot.TimeSlot.Duration();
var duration2 = si2.AppointmentSlot.TimeSlot.Duration();
r = duration1.CompareTo(duration2) * (si1.IsFirst ? -1 : 1);
}
if (r == 0)
{
r = si1.Index.CompareTo(si2.Index);
}
return(r);
});
return(slotsInfo);
}
