void InitAppointments()
{
AppointmentMappingInfo mappings = this.schedulerStorage1.Appointments.Mappings;
mappings.Start = "StartTime";
mappings.End = "EndTime";
mappings.Subject = "Subject";
mappings.AllDay = "AllDay";
mappings.Description = "Description";
mappings.Label = "Label";
mappings.Location = "Location";
mappings.RecurrenceInfo = "RecurrenceInfo";
mappings.ReminderInfo = "ReminderInfo";
mappings.ResourceId = "OwnerId";
mappings.Status = "Status";
mappings.Type = "EventType";
// Ppulate the fullDataSource with data items
GenerateEvents(fullDataSource);
// Local data list that will be populated in the FetchAppointments evet handler
CustomEventList actualDataSource = new CustomEventList();
this.schedulerStorage1.Appointments.DataSource = actualDataSource;
}
private void schedulerStorage1_FetchAppointments(object sender, FetchAppointmentsEventArgs e)
{
DateTime start = e.Interval.Start;
DateTime end = e.Interval.End;
CustomEventList actualDataSource = this.schedulerStorage1.Appointments.DataSource as CustomEventList;
if (actualDataSource == null)
{
return;
}
// Check if the requested interval is outside lastFetchedInterval
if (start <= lastFetchedInterval.Start || end >= lastFetchedInterval.End)
{
// You can vary margin value to find the most appropriate balance between performance and detalization
TimeSpan margin = TimeSpan.FromDays(0); // TimeSpan.FromDays(1)
lastFetchedInterval = new TimeInterval(start - margin, end + margin);
// Poplate the actualDataSource using the lastFetchedInterval
actualDataSource.Clear();
for (int i = 0; i < fullDataSource.Count; i++)
{
CustomAppointment customAppointment = fullDataSource[i];
if (customAppointment.StartTime >= lastFetchedInterval.Start.Date &&
customAppointment.EndTime <= lastFetchedInterval.End.Date)
{
actualDataSource.Add(customAppointment);
}
}
}
lblInfo.Text = string.Format("Interval: {0}, Appointments: {1}", lastFetchedInterval, actualDataSource.Count.ToString());
}
void GenerateEvents(CustomEventList eventList)
{
int count = schedulerStorage1.Resources.Count;
for (int i = 0; i < 100; i++)
{
Resource resource = schedulerStorage1.Resources[i % count];
string subjPrefix = resource.Caption + "'s ";
eventList.Add(CreateEvent(eventList, subjPrefix + "meeting", resource.Id, 2, 5));
eventList.Add(CreateEvent(eventList, subjPrefix + "travel", resource.Id, 3, 6));
eventList.Add(CreateEvent(eventList, subjPrefix + "phone call", resource.Id, 0, 10));
}
}
CustomAppointment CreateEvent(CustomEventList eventList, string subject, object resourceId, int status, int label)
{
CustomAppointment apt = new CustomAppointment(eventList);
apt.Subject = subject;
apt.OwnerId = resourceId;
Random rnd = RandomInstance;
int rangeInMinutes = 60 * 24;
apt.StartTime = DateTime.Today + TimeSpan.FromHours(rnd.Next(0, rangeInMinutes));
apt.EndTime = apt.StartTime + TimeSpan.FromMinutes(60);
apt.Status = status;
apt.Label = label;
return(apt);
}
public CustomAppointment(CustomEventList events)
{
this.events = events;
}