internal void RemoveAtInternal(int index)
{
var syncActionData = new SyncActionData(index, Items[index]);
SyncCore(SyncAction.PreRemove, syncActionData);
Items.RemoveAt(index);
SyncCore(SyncAction.PostRemove, syncActionData);
}
internal void InsertInternal(int index, TItem item)
{
var syncActionData = new SyncActionData(index, item);
SyncCore(SyncAction.PreInsert, syncActionData);
Items.Insert(index, item);
SyncCore(SyncAction.PostInsert, syncActionData);
}
protected override void SyncCore(SyncAction syncAction, SyncActionData syncActionData)
{
switch (syncAction)
{
case SyncAction.PreClear:
case SyncAction.PreInit:
Children.Clear();
break;
case SyncAction.PostInit:
SyncBase();
break;
case SyncAction.PreInsert:
SyncBase();
break;
case SyncAction.PostInsert:
Children.Insert(syncActionData.Index, GetActualElement(syncActionData.Item));
break;
case SyncAction.PreRemove:
SyncBase();
break;
case SyncAction.PostRemove:
Children.RemoveAt(syncActionData.Index);
break;
}
}
protected abstract void SyncCore(SyncAction syncAction, SyncActionData syncActionData);
