//
// ObservableCollection.cs
//
// Contact:
// Moonlight List (moonlight-list@lists.ximian.com)
//
// Copyright 2008 Novell, Inc.
//
// 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.Windows;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
namespace System.Collections.ObjectModel{
public class ObservableCollection<T> : Collection<T>, INotifyCollectionChanged, INotifyPropertyChanged
{
public ObservableCollection ()
{
}
public ObservableCollection (IEnumerable<T> collection)
{
foreach (var v in collection)
base.InsertItem (Count, v);
}
public ObservableCollection (List<T> list)
{
foreach (var v in list)
base.InsertItem (Count, v);
}
protected override void ClearItems ()
{
base.ClearItems ();
OnCollectionChanged (new NotifyCollectionChangedEventArgs (NotifyCollectionChangedAction.Reset));
}
protected override void InsertItem (int index, T item)
{
base.InsertItem (index, item);
OnCollectionChanged (new NotifyCollectionChangedEventArgs (NotifyCollectionChangedAction.Add,
item,
index));
}
protected virtual void OnCollectionChanged (NotifyCollectionChangedEventArgs e)
{
if (CollectionChanged != null)
CollectionChanged (this, e);
}
protected virtual void OnPropertyChanged (PropertyChangedEventArgs e)
{
if (PropertyChanged != null)
PropertyChanged (this, e);
}
protected override void RemoveItem (int index)
{
T old_item = this[index];
base.RemoveItem (index);
OnCollectionChanged (new NotifyCollectionChangedEventArgs (NotifyCollectionChangedAction.Remove,
old_item,
index));
}
protected override void SetItem (int index, T item)
{
T old_item = this[index];
base.SetItem (index, item);
OnCollectionChanged (new NotifyCollectionChangedEventArgs (NotifyCollectionChangedAction.Replace,
item,
old_item,
index));
}
public event NotifyCollectionChangedEventHandler CollectionChanged;
protected event PropertyChangedEventHandler PropertyChanged;
event PropertyChangedEventHandler INotifyPropertyChanged.PropertyChanged {
add { PropertyChanged += value; }
remove { PropertyChanged -= value; }
}
}
}
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