//================================================================================
protected void BaseInsert(int index, Tejas.Collections.IItem item)
{
// Declare
string key = item.Key;
// Validate
if (key != null && _dictionary.ContainsKey(key))
{
throw new Tejas.Collections.DuplicateKeyException(key);
}
// Notify (before)
OnItemInserting(index, (T)item);
// Add to hashtable if key is supplied
if (key != null)
{
_dictionary.Add(key, (T)item);
}
// Add handlers
item.KeyChanging += _itemKeyChangingEventHandler;
item.KeyChanged += _itemKeyChangedEventHandler;
// Add to list
_List.Insert(index, (T)item);
// Notify (after)
OnItemInserted(index, (T)item);
}
//================================================================================
#endregion
#region Methods - private
//================================================================================
private void RemoveItem(int index, T item)
{
// Declare
Tejas.Collections.IItem iItem = (Tejas.Collections.IItem)item;
string key = iItem.Key;
// Notify (before)
this.OnItemRemoving(index, item);
// Remove
if (key != null)
{
_dictionary.Remove(key);
}
_List.Remove(item);
// Remove handlers
iItem.KeyChanging -= _itemKeyChangingEventHandler;
iItem.KeyChanged -= _itemKeyChangedEventHandler;
// Notify (after)
this.OnItemRemoved(index, item);
}
//================================================================================
protected int BaseAdd(Tejas.Collections.IItem item)
{
BaseInsert(_List.Count, item);
return(_List.Count - 1);
}
