106 lines
2.8 KiB
C#

#if FRAMEWORK20
using System;
using System.Collections.Generic;
using System.Text;
using System.Collections.ObjectModel;
namespace DevComponents.Schedule.Model
{
public class AppointmentCollection : Collection<Appointment>
{
#region Constructor
/// <summary>
/// Initializes a new instance of the AppointmentCollection class.
/// </summary>
/// <param name="calendar"></param>
public AppointmentCollection(CalendarModel calendar)
{
_Calendar = calendar;
}
#endregion
#region Internal Implementation
private CalendarModel _Calendar = null;
/// <summary>
/// Gets the calendar collection is associated with.
/// </summary>
public CalendarModel Calendar
{
get { return _Calendar; }
internal set { _Calendar = value; }
}
protected override void InsertItem(int index, Appointment item)
{
OnBeforeInsert(index, item);
base.InsertItem(index, item);
OnAfterInsert(index, item);
}
private void OnAfterInsert(int index, Appointment item)
{
_Calendar.InternalAppointmentAdded(item);
}
private void OnBeforeInsert(int index, Appointment item)
{
item.Calendar = _Calendar;
}
protected override void SetItem(int index, Appointment item)
{
Appointment app = this[index];
OnBeforeSetItem(index, app, item);
base.SetItem(index, item);
OnAfterSetItem(index, app, item);
}
private void OnAfterSetItem(int index, Appointment oldItem, Appointment newItem)
{
_Calendar.InternalAppointmentRemoved(oldItem, false);
_Calendar.InternalAppointmentAdded(newItem);
}
private void OnBeforeSetItem(int index, Appointment oldItem, Appointment newItem)
{
oldItem.Calendar = null;
newItem.Calendar = _Calendar;
}
protected override void RemoveItem(int index)
{
Appointment app = this[index];
OnBeforeRemove(index);
base.RemoveItem(index);
OnAfterRemove(index, app);
}
private void OnAfterRemove(int index, Appointment app)
{
_Calendar.InternalAppointmentRemoved(app, false);
}
private void OnBeforeRemove(int index)
{
this[index].Calendar = null;
}
protected override void ClearItems()
{
foreach (Appointment item in this)
{
item.Calendar = null;
_Calendar.InternalAppointmentRemoved(item, true);
}
base.ClearItems();
_Calendar.InternalAppointmentsCleared();
}
#endregion
}
}
#endif