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Backup/Common/HorizontalAxisTitle.cs

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+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Markup;
+using Microsoft.Research.DynamicDataDisplay.Charts;
+using Microsoft.Research.DynamicDataDisplay.Common.Auxiliary;
+
+namespace Microsoft.Research.DynamicDataDisplay
+{
+	/// <summary>
+	/// Represents a title of horizontal axis. Can be placed from top or bottom of Plotter.
+	/// </summary>
+	public class HorizontalAxisTitle : ContentControl, IPlotterElement
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="HorizontalAxisTitle"/> class.
+		/// </summary>
+		public HorizontalAxisTitle()
+		{
+			FontSize = 16;
+			HorizontalAlignment = HorizontalAlignment.Center;
+		}
+
+		private Plotter plotter;
+		public Plotter Plotter
+		{
+			get { return plotter; }
+		}
+
+		public void OnPlotterAttached(Plotter plotter)
+		{
+			this.plotter = plotter;
+			AddToPlotter();
+		}
+
+		public void OnPlotterDetaching(Plotter plotter)
+		{
+			RemoveFromPlotter();
+			this.plotter = null;
+		}
+
+		private Panel GetHostPanel(Plotter plotter)
+		{
+			if (placement == AxisPlacement.Bottom)
+				return plotter.BottomPanel;
+			else
+				return plotter.TopPanel;
+		}
+
+		private int GetInsertPosition(Panel panel)
+		{
+			if (placement == AxisPlacement.Bottom)
+				return panel.Children.Count;
+			else
+				return 0;
+		}
+
+		private AxisPlacement placement = AxisPlacement.Bottom;
+		/// <summary>
+		/// Gets or sets the placement of axis title.
+		/// </summary>
+		/// <value>The placement.</value>
+		public AxisPlacement Placement
+		{
+			get { return placement; }
+			set
+			{
+				if (!value.IsBottomOrTop())
+					throw new ArgumentException(String.Format("HorizontalAxisTitle only supports Top and Bottom values of AxisPlacement, you passed '{0}'", value), "Placement");
+
+				if (placement != value)
+				{
+					if (plotter != null)
+					{
+						RemoveFromPlotter();
+					}
+
+					placement = value;
+
+					if (plotter != null)
+					{
+						AddToPlotter();
+					}
+				}
+			}
+		}
+
+		private void RemoveFromPlotter()
+		{
+			var oldPanel = GetHostPanel(plotter);
+			oldPanel.Children.Remove(this);
+		}
+
+		private void AddToPlotter()
+		{
+			var hostPanel = GetHostPanel(plotter);
+			var index = GetInsertPosition(hostPanel);
+			hostPanel.Children.Insert(index, this);
+		}
+	}
+}