Catel - Part 4 of n: Unit testing with Catel

// --------------------------------------------------------------------------------------------------------------------
// <copyright file="ColorToBrushConverter.cs" company="Catel development team">
//   Copyright (c) 2008 - 2011 Catel development team. All rights reserved.
// </copyright>
// <summary>
//   ColorToBrushConverter
// </summary>
// --------------------------------------------------------------------------------------------------------------------

using System;
using System.Windows.Data;
using System.Windows.Media;

namespace Catel.Windows.Data.Converters
{
	/// <summary>
	/// ColorToBrushConverter
	/// </summary>
#if !SILVERLIGHT
	[ValueConversion(typeof(Color), typeof(Brush))]
#endif
	public class ColorToBrushConverter : IValueConverter
	{
		/// <summary>
		/// Converts a value.
		/// </summary>
		/// <param name="value">The value produced by the binding source.</param>
		/// <param name="targetType">The type of the binding target property.</param>
		/// <param name="parameter">The converter parameter to use.</param>
		/// <param name="culture">The culture to use in the converter.</param>
		/// <returns>
		/// A converted value. If the method returns null, the valid null value is used.
		/// </returns>
		public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
		{
			Brush brush = null;
			if (value is Color)
			{
			    brush = new SolidColorBrush((Color)value);
			}
				
			return brush;
		}

		/// <summary>
		/// Converts a value.
		/// </summary>
		/// <param name="value">The value that is produced by the binding target.</param>
		/// <param name="targetType">The type to convert to.</param>
		/// <param name="parameter">The converter parameter to use.</param>
		/// <param name="culture">The culture to use in the converter.</param>
		/// <returns>
		/// A converted value. If the method returns null, the valid null value is used.
		/// </returns>
		public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
		{
			Color color = Colors.Black;
			SolidColorBrush brush = value as SolidColorBrush;
            if (brush != null)
            {
                color = brush.Color;
            }

		    return color;
		}
	}
}