Initial Commit

InjectedPlotterVerticalSyncConverter.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Microsoft.Research.DynamicDataDisplay.Converters;
+using System.Globalization;
+using System.Windows;
+
+namespace Microsoft.Research.DynamicDataDisplay
+{
+	/// <summary>
+	/// Represents a converter of Viewport.Visible for InjectedPlotter.
+	/// Keeps horizontal part of visible from injectedPlotter and takes vertical part of visible rectangle from hosting Plotter.
+	/// </summary>
+	public sealed class InjectedPlotterVerticalSyncConverter : GenericValueConverter<DataRect>
+	{
+		private readonly InjectedPlotter injectedPlotter;
+		public InjectedPlotterVerticalSyncConverter(InjectedPlotter plotter)
+		{
+			if (plotter == null)
+				throw new ArgumentNullException("plotter");
+
+			this.injectedPlotter = plotter;
+		}
+
+		public override object ConvertCore(DataRect value, Type targetType, object parameter, CultureInfo culture)
+		{
+			if (injectedPlotter.Plotter == null)
+				return DependencyProperty.UnsetValue;
+
+			var outerVisible = value;
+			var innerVisible = injectedPlotter.Visible;
+			return new DataRect(innerVisible.XMin, outerVisible.YMin, innerVisible.Width, outerVisible.Height);
+		}
+
+		public override object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+		{
+			if (value is DataRect)
+			{
+				DataRect innerVisible = (DataRect)value;
+				var outerVisible = injectedPlotter.Plotter.Visible;
+				return outerVisible;
+			}
+			else
+			{
+				return DependencyProperty.UnsetValue;
+			}
+		}
+	}
+}