/BookReader/BookReader/Reader/Common/SearchFilter.cs

using System;

using System.ComponentModel;

using System.Windows.Controls;



namespace BookReader.Reader.Common

{

    public class SearchFilter

    {

        public SearchFilter( ICollectionView filteredView, TextBox textBox )

		{

			string filterText = "";



			filteredView.Filter = delegate( object obj )				

			{

				if( String.IsNullOrEmpty( filterText ) )

					return true;



                IBook bk = obj as IBook;

				if( bk == null )

					return false;



				int index = bk.FileName.IndexOf(

					filterText,

					0,

					StringComparison.InvariantCultureIgnoreCase );



				return index > -1;

			};			



			textBox.TextChanged += delegate

			{

				filterText = textBox.Text;

				filteredView.Refresh();

			};

		}

    }

}