private void SetIndexes(int fromItemIndex, int startIndex)
{
for (int i = fromItemIndex; i < Count; i++)
{
IChildItemInternal <OwnerType> item = this[i] as IChildItemInternal <OwnerType>;
item.SetIndexInParent(startIndex);
startIndex++;
}
}
protected override void RemoveItem(int index)
{
bool isCancel;
base.BeginRemoveItem(index, out isCancel);
if (isCancel)
{
return;
}
IChildItemInternal <OwnerType> childItem = this[index] as IChildItemInternal <OwnerType>;
childItem.SetParent(default(OwnerType));
childItem.SetIndexInParent(-1);
SetIndexes(index + 1, index);
base.RemoveItem(index);
}
protected override void InsertItem(int index, ItemType item)
{
bool isCancel;
base.BeginInsertItem(index, item, out isCancel);
if (isCancel)
{
return;
}
IChildItemInternal <OwnerType> childItem = item as IChildItemInternal <OwnerType>;
childItem.SetIndexInParent(index);
SetIndexes(index, index + 1);
// NOTE: The m_Owner will be null only in deserialization, and in this case we should not call SetParent...
if (m_Owner != null)
{
childItem.SetParent(m_Owner);
}
base.InsertItem(index, item);
}
