88 lines
3.0 KiB
C#
88 lines
3.0 KiB
C#
// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (c) 2007 Novell, Inc. (http://www.novell.com)
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//
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// Authors:
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// Chris Toshok (toshok@novell.com)
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// Brian O'Keefe (zer0keefie@gmail.com)
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//
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#if NET_4_0
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using System.Collections.Specialized;
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using System.ComponentModel;
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using System.Runtime.CompilerServices;
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namespace System.Collections.ObjectModel
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{
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#if !MOBILE
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[TypeForwardedFrom (Consts.WindowsBase_3_0)]
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#endif
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public class ReadOnlyObservableCollection<T> : ReadOnlyCollection<T>, INotifyCollectionChanged, INotifyPropertyChanged {
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public ReadOnlyObservableCollection(ObservableCollection<T> list)
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: base (list)
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{
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((INotifyPropertyChanged)list).PropertyChanged += SourceCollection_PropertyChanged;
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((INotifyCollectionChanged)list).CollectionChanged += SourceCollection_CollectionChanged;
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}
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protected virtual event NotifyCollectionChangedEventHandler CollectionChanged;
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protected virtual event PropertyChangedEventHandler PropertyChanged;
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event NotifyCollectionChangedEventHandler INotifyCollectionChanged.CollectionChanged {
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add { this.CollectionChanged += value; }
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remove { this.CollectionChanged -= value; }
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}
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event PropertyChangedEventHandler INotifyPropertyChanged.PropertyChanged {
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add { this.PropertyChanged += value; }
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remove { this.PropertyChanged -= value; }
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}
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protected virtual void OnCollectionChanged (NotifyCollectionChangedEventArgs args)
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{
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NotifyCollectionChangedEventHandler eh = CollectionChanged;
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if (eh != null)
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eh (this, args);
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}
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protected virtual void OnPropertyChanged (PropertyChangedEventArgs args)
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{
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PropertyChangedEventHandler eh = PropertyChanged;
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if (eh != null)
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eh (this, args);
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}
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private void SourceCollection_CollectionChanged (object sender, NotifyCollectionChangedEventArgs e)
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{
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OnCollectionChanged (e);
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}
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private void SourceCollection_PropertyChanged (object sender, PropertyChangedEventArgs e)
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{
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OnPropertyChanged (e);
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}
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}
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}
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#endif
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