/V4/StockTrader RI/Silverlight/StockTraderRI.Infrastructure.Silverlight/Converters/EnumToBooleanConverter.Silverlight.cs

//===================================================================================

// Microsoft patterns & practices

// Composite Application Guidance for Windows Presentation Foundation and Silverlight

//===================================================================================

// Copyright (c) Microsoft Corporation.  All rights reserved.

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY

// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT

// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

// FITNESS FOR A PARTICULAR PURPOSE.

//===================================================================================

// The example companies, organizations, products, domain names,

// e-mail addresses, logos, people, places, and events depicted

// herein are fictitious.  No association with any real company,

// organization, product, domain name, email address, logo, person,

// places, or events is intended or should be inferred.

//===================================================================================

using System;

using System.Globalization;

using System.Windows.Data;



namespace StockTraderRI.Infrastructure.Converters

{

    public class EnumToBooleanConverter : IValueConverter

    {

        #region IValueConverter Members



        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)

        {

            var stringParameter = parameter as string;

            if (value == null || string.IsNullOrEmpty(stringParameter))

            {

                return false;

            }



            return string.Equals(value.ToString(), stringParameter, StringComparison.Ordinal);

        }



        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)

        {

            var stringParameter = parameter as string;

            if (value == null || string.IsNullOrEmpty(stringParameter))

            {

                return null;

            }



            object parsedParameter = Enum.Parse(targetType, stringParameter, true);

            if (parsedParameter == null)

            {

                return null;

            }



            if ((bool)value)

            {

                return parsedParameter;

            }



            return null;

        }

        #endregion

    }

}