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//
// KeyedByTypeCollection.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2005 Novell, Inc. http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.ObjectModel;
namespace System.Collections.Generic
{
public class KeyedByTypeCollection<TItem>
: KeyedCollection<Type, TItem>
{
public KeyedByTypeCollection ()
{
}
public KeyedByTypeCollection (IEnumerable<TItem> items)
{
foreach (TItem item in items)
Add (item);
}
protected override Type GetKeyForItem (TItem item)
{
return item.GetType ();
}
public T Find<T> ()
{
foreach (TItem k in this)
if (k is T)
return (T) (object) k;
return default (T);
}
public Collection<T> FindAll<T> ()
{
Collection<T> list = new Collection<T> ();
foreach (TItem k in this)
if (k is T)
list.Add ((T) (object) k);
return list;
}
protected override void InsertItem (int index, TItem item)
{
base.InsertItem (index, item);
}
protected override void SetItem (int index, TItem item)
{
base.SetItem (index, item);
}
public T Remove<T> ()
{
foreach (TItem k in this)
if (k is T) {
Remove (k);
return (T) (object) k;
}
return default (T);
}
public Collection<T> RemoveAll<T> ()
{
return RemoveAll<T> ();
}
}
}
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