// 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.
//
// Copyright (c) 2008 Novell, Inc. (http://www.novell.com)
//
// Authors:
//	Chris Toshok (toshok@ximian.com)
//

using System;
using System.Collections;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.Globalization;

namespace System.ComponentModel {

	public interface ICollectionView : IEnumerable, INotifyCollectionChanged
	{
		bool CanFilter { get; }
		bool CanGroup { get; }
		bool CanSort { get; }
		CultureInfo Culture { get; set; }
		object CurrentItem { get; }
		int CurrentPosition { get; }
		Predicate<object> Filter {get; set; }
		ObservableCollection<GroupDescription> GroupDescriptions { get; }
		ReadOnlyObservableCollection<object> Groups { get; }
		bool IsCurrentAfterLast { get; }
		bool IsCurrentBeforeFirst { get; }
		bool IsEmpty { get; }
		SortDescriptionCollection SortDescriptions { get; }
		IEnumerable SourceCollection { get; }

		event EventHandler CurrentChanged;
		event CurrentChangingEventHandler CurrentChanging;

		bool Contains (object item);
		IDisposable DeferRefresh ();
		bool MoveCurrentTo (object item);
		bool MoveCurrentToFirst ();
		bool MoveCurrentToLast ();
		bool MoveCurrentToNext ();
		bool MoveCurrentToPosition (int position);
		bool MoveCurrentToPrevious ();
		void Refresh ();
	}

}