60 lines
1.4 KiB
C#
60 lines
1.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2013 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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namespace OpenRA.Primitives
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{
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public class ObservableCollection<T> : Collection<T>, IObservableCollection
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{
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public event Action<object> OnAdd = k => { };
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public event Action<object> OnRemove = k => { };
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public event Action<int> OnRemoveAt = i => { };
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public event Action<object, object> OnSet = (o, n) => { };
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public event Action OnRefresh = () => { };
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public ObservableCollection() { }
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public ObservableCollection(IList<T> list) : base(list) { }
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protected override void SetItem(int index, T item)
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{
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var old = this[index];
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base.SetItem(index, item);
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OnSet(old, item);
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}
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protected override void InsertItem(int index, T item)
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{
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base.InsertItem(index, item);
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OnAdd(item);
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}
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protected override void ClearItems()
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{
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base.ClearItems();
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OnRefresh();
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}
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protected override void RemoveItem(int index)
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{
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base.RemoveItem(index);
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OnRemoveAt(index);
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}
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public IEnumerable ObservedItems
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{
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get { return Items; }
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}
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}
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}
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