protected void AddItem(ChildBusinessObject item, int index)
{
if (item.IsNew && item.ID.ToInt32 == 0)
{
_autoKey--;
ChildBusinessObject.Factory.SetID(item, new ID(_autoKey));
}
ID keyID = GetKeyID(item);
int curIndex;
if (_hashtable.Contains(keyID))
{
curIndex = (int)_hashtable[keyID];
InnerList[curIndex] = item;
}
else
{
InnerList.Insert(index, item);
_hashtable.Add(keyID, index);
// Update Index
for (int i = index; i < InnerList.Count; i++)
{
ChildBusinessObject mc = (ChildBusinessObject)InnerList[i];
_hashtable[GetKeyID(mc)] = i;
}
}
}
protected virtual void RemoveItem(ChildBusinessObject item)
{
if (item != null)
{
item.SetParent(null);
if (!item.IsNew)
{
_removedItems.Add(item);
}
}
InnerList.Remove(item);
}
protected void SetItem(int index, ChildBusinessObject item)
{
if (InnerList[index] != null)
{
((ChildBusinessObject)InnerList[index]).SetParent(null);
}
if (item != null)
{
item.SetParent(_parent);
}
InnerList[index] = item;
}
protected void Swap(ChildBusinessObject obj1, ChildBusinessObject obj2)
{
int nIndex1 = this.GetIndex(obj1.ID);
int nIndex2 = this.GetIndex(obj2.ID);
this.RemoveItem(obj1);
this.RemoveItem(obj2);
if (this.Count < nIndex1)
{
this.AddItem(obj2);
this.AddItem(obj1);
}
else
{
this.AddItem(obj2, nIndex1);
this.AddItem(obj1, nIndex2);
}
}
protected override void RemoveItem(ChildBusinessObject item)
{
ID key = GetKeyID(item);
if (_hashtable.Contains(key))
{
int index = (int)_hashtable[key];
_hashtable.Remove(key);
base.RemoveItem(item);
// Update Index
for (int i = index; i < InnerList.Count; i++)
{
ChildBusinessObject child = (ChildBusinessObject)InnerList[i];
_hashtable[GetKeyID(child)] = i;
}
}
}
protected override int AddItem(ChildBusinessObject item)
{
if (item.IsNew && item.ID.ToInt32 == 0)
{
_autoKey--;
BusinessObject.Factory.SetID(item, new ID(_autoKey));
}
ID keyID = GetKeyID(item);
int index;
if (_hashtable.Contains(keyID))
{
index = (int)_hashtable[keyID];
base.SetItem(index, item);
}
else
{
index = base.AddItem(item);
_hashtable.Add(keyID, index);
}
return(index);
}
protected virtual ID GetKeyID(ChildBusinessObject item)
{
return(item.ID);
}
protected virtual int AddItem(ChildBusinessObject item)
{
item.SetParent(_parent);
return(InnerList.Add(item));
}