/source/library/Interlace/Binding/ViewConverters/GreaterThanConverter.cs

#region Using Directives and Copyright Notice



// Copyright (c) 2007-2010, Computer Consultancy Pty Ltd

// All rights reserved.

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// 

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using System;

using System.Collections.Generic;

using System.Text;

using Interlace.Binding.Views;



#endregion



namespace Interlace.Binding.ViewConverters

{

    public class GreaterThanConverter : ViewConverterBase

    {

        IComparable _value;



        public GreaterThanConverter(IComparable value)

        {

            _value = value;

        }



        public override object ModelToView(object obj)

        {

            // It's actually < because we're starting with the _value object.  So if 

            // 1 was passed in, and obj is 2, we want to find out if 1 is less than 2.

            return _value.CompareTo(obj) < 0;

        }



        public override object ViewToModel(object obj)

        {

            throw new InvalidOperationException("A change was made to the view that had an " +

                "attached EqualityConverter, which is read only.");

        }

    }

}