Initial Commit

Common/VerticalAxisTitle.cs

@@ -0,0 +1,110 @@
+using System.Windows.Controls;
+using System.Windows.Markup;
+using System.Windows.Media;
+using System.Windows;
+using Microsoft.Research.DynamicDataDisplay.Charts;
+using Microsoft.Research.DynamicDataDisplay.Common.Auxiliary;
+using System;
+
+namespace Microsoft.Research.DynamicDataDisplay
+{
+	/// <summary>
+	/// Represents a title of vertical axis. Can be placed from left or right of Plotter.
+	/// </summary>
+	public class VerticalAxisTitle : ContentControl, IPlotterElement
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="VerticalAxisTitle"/> class.
+		/// </summary>
+		public VerticalAxisTitle()
+		{
+			ChangeLayoutTransform();
+			VerticalAlignment = VerticalAlignment.Center;
+			FontSize = 16;
+		}
+
+		private void ChangeLayoutTransform()
+		{
+			if (placement == AxisPlacement.Left)
+				LayoutTransform = new RotateTransform(-90);
+			else
+				LayoutTransform = new RotateTransform(90);
+		}
+
+		private Plotter plotter;
+		public Plotter Plotter
+		{
+			get { return plotter; }
+		}
+
+		public void OnPlotterAttached(Plotter plotter)
+		{
+			this.plotter = plotter;
+
+			var hostPanel = GetHostPanel(plotter);
+			var index = GetInsertPosition(hostPanel);
+
+			hostPanel.Children.Insert(index, this);
+		}
+
+		public void OnPlotterDetaching(Plotter plotter)
+		{
+			this.plotter = null;
+
+			var hostPanel = GetHostPanel(plotter);
+
+			hostPanel.Children.Remove(this);
+		}
+
+		private Panel GetHostPanel(Plotter plotter)
+		{
+			if (placement == AxisPlacement.Left)
+				return plotter.LeftPanel;
+			else
+				return plotter.RightPanel;
+		}
+
+		private int GetInsertPosition(Panel panel)
+		{
+			if (placement == AxisPlacement.Left)
+				return 0;
+			else
+				return panel.Children.Count;
+		}
+
+		private AxisPlacement placement = AxisPlacement.Left;
+		/// <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("VerticalAxisTitle only supports Left and Right values of AxisPlacement, you passed '{0}'", value), "Placement");
+
+				if (placement != value)
+				{
+					if (plotter != null)
+					{
+						var oldPanel = GetHostPanel(plotter);
+						oldPanel.Children.Remove(this);
+					}
+
+					placement = value;
+
+					ChangeLayoutTransform();
+
+					if (plotter != null)
+					{
+						var hostPanel = GetHostPanel(plotter);
+						var index = GetInsertPosition(hostPanel);
+						hostPanel.Children.Insert(index, this);
+					}
+				}
+			}
+		}
+	}
+}