Initial Commit

Charts/Shapes/SimpleLine.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows.Media;
+using System.Windows;
+
+namespace Microsoft.Research.DynamicDataDisplay.Charts
+{
+	/// <summary>
+	/// Represents simple line bound to viewport coordinates.
+	/// </summary>
+	public abstract class SimpleLine : ViewportShape
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="SimpleLine"/> class.
+		/// </summary>
+		protected SimpleLine() { }
+
+		/// <summary>
+		/// Gets or sets the value of line - e.g., its horizontal or vertical coordinate.
+		/// </summary>
+		/// <value>The value.</value>
+		public double Value
+		{
+			get { return (double)GetValue(ValueProperty); }
+			set { SetValue(ValueProperty, value); }
+		}
+
+		/// <summary>
+		/// Identifies Value dependency property.
+		/// </summary>
+		public static readonly DependencyProperty ValueProperty =
+			DependencyProperty.Register(
+			  "Value",
+			  typeof(double),
+			  typeof(SimpleLine),
+			  new PropertyMetadata(
+				  0.0, OnValueChanged));
+
+		private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+		{
+			SimpleLine line = (SimpleLine)d;
+			line.OnValueChanged();
+		}
+
+		protected virtual void OnValueChanged()
+		{
+			UpdateUIRepresentation();
+		}
+
+		private LineGeometry lineGeometry = new LineGeometry();
+		protected LineGeometry LineGeometry
+		{
+			get { return lineGeometry; }
+		}
+		protected override Geometry DefiningGeometry
+		{
+			get { return lineGeometry; }
+		}
+	}
+}