eXpress Persistent Objects (XPO)

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ASPxScheduler can be bound to an XPCollection object provided by the eXpress Persistent Objects for .NET. The following code demonstrates how to implement custom appointment and resource classes, which are XPObject class descendants.

View Example

using System;
using DevExpress.Xpo;
using DevExpress.XtraScheduler;
using DevExpress.XtraScheduler.Xml;
public class XPAppointment : XPObject
    {
        public XPAppointment(Session session) : base(session) { }

        public bool AllDay;              // Appointment.AllDay

        [Size(SizeAttribute.Unlimited)]  // !!! To set the Memo field type.
        public string Description;       // Appointment.Description

        public DateTime Finish;          // Appointment.End
        public int Label;                // Appointment.Label
        public string Location;          // Appointment.Location

        [Size(SizeAttribute.Unlimited)]  // !!! To set the Memo field type.
        public string Recurrence;        // Appointment.RecurrenceInfo

        [Size(SizeAttribute.Unlimited)]  // !!! To set the Memo field type.
        public string Reminder;          // Appointment.ReminderInfo

        public DateTime Created;         // Appointment.Start
        public int Status;               // Appointment.Status
        [Size(SizeAttribute.Unlimited)]  // !!! To set the Memo field type.
        public string Subject;           // Appointment.Subject
        public int AppointmentType;      // Appointment.Type

        [Association()]
        public XPCollection<XPResource> Resources
        {
            get
            {
                return GetCollection<XPResource>("Resources");
            }
        }

        [NonPersistent()]
        public string ResourceIds
        {
            get
            {
                return GenerateResourceIdsString();
            }
            set
            {
                ResourceIdCollection resourceIds = GenerateResourceIdsString(value);
                Resources.SuspendChangedEvents();
                try
                {
                    ClearResources();
                    int count = resourceIds.Count;
                    for (int i = 0; i < count; i++)
                    {
                        XPResource resource = this.Session.GetObjectByKey<XPResource>(resourceIds[i]);
                        if (resource != null)
                            Resources.Add(resource);
                    }
                }
                finally
                {
                    Resources.ResumeChangedEvents();
                }
            }
        }

        void ClearResources()
        {
            int count = Resources.Count;
            while (count > 0)
            {
                Resources.Remove(Resources[0]);
                count--;
            }
        }
        ResourceIdCollection GenerateResourceIdsString(string xml)
        {
            ResourceIdCollection result = new ResourceIdCollection();
            if (String.IsNullOrEmpty(xml))
                return result;

            return AppointmentResourceIdCollectionXmlPersistenceHelper.ObjectFromXml(result, xml);
        }

        string GenerateResourceIdsString()
        {
            ResourceIdCollection resourceIds = new ResourceIdCollection();
            int count = Resources.Count;
            for (int i = 0; i < count; i++)
                resourceIds.Add(Resources[i].Oid);

            AppointmentResourceIdCollectionXmlPersistenceHelper helper = new AppointmentResourceIdCollectionXmlPersistenceHelper(resourceIds);
            return helper.ToXml();
        }
    }

    // XP object
    public class XPResource : XPObject
    {
        public XPResource(Session session) : base(session) { }

        [Size(SizeAttribute.Unlimited)]  // !!! To set the Memo field type.
        public string Name;              // Resource.Caption

        [Association()]
        public XPCollection<XPAppointment> Appointments
        {
            get
            {
                return GetCollection<XPAppointment>("Appointments");
            }
        }
    }