Initial Commit

Converters/ThreeValuesMultiConverter.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows.Data;
+
+namespace Microsoft.Research.DynamicDataDisplay.Converters
+{
+	public abstract class ThreeValuesMultiConverter<T1, T2, T3> : IMultiValueConverter
+	{
+		#region IMultiValueConverter Members
+
+		public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+		{
+			if (values != null && values.Length == 3)
+			{
+				if (values[0] is T1 && values[1] is T2 && values[2] is T3)
+				{
+					T1 param1 = (T1)values[0];
+					T2 param2 = (T2)values[1];
+					T3 param3 = (T3)values[2];
+
+					var result = ConvertCore(param1, param2, param3, targetType, parameter, culture);
+					return result;
+				}
+			}
+			return null;
+		}
+
+		protected abstract object ConvertCore(T1 value1, T2 value2, T3 value3, Type targetType, object parameter, System.Globalization.CultureInfo culture);
+
+		public virtual object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture)
+		{
+			throw new NotSupportedException();
+		}
+
+		#endregion
+	}
+}