Initial Commit

Charts/Axes/Numeric/CustomBaseNumericLabelProvider.cs

@@ -0,0 +1,92 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using Microsoft.Research.DynamicDataDisplay;
+
+namespace Microsoft.Research.DynamicDataDisplay.Charts.Axes.Numeric
+{
+	public class CustomBaseNumericLabelProvider : LabelProvider<double>
+	{
+		private double customBase = 2;
+		/// <summary>
+		/// Gets or sets the custom base.
+		/// </summary>
+		/// <value>The custom base.</value>
+		public double CustomBase
+		{
+			get { return customBase; }
+			set
+			{
+				if (Double.IsNaN(value))
+					throw new ArgumentException(Strings.Exceptions.CustomBaseTicksProviderBaseIsNaN);
+				if (value <= 0)
+					throw new ArgumentOutOfRangeException(Strings.Exceptions.CustomBaseTicksProviderBaseIsTooSmall);
+
+				customBase = value;
+			}
+		}
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="CustomBaseNumericLabelProvider"/> class.
+		/// </summary>
+		public CustomBaseNumericLabelProvider() { }
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="CustomBaseNumericLabelProvider"/> class.
+		/// </summary>
+		public CustomBaseNumericLabelProvider(double customBase)
+			: this()
+		{
+			CustomBase = customBase;
+		}
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="CustomBaseNumericLabelProvider"/> class.
+		/// </summary>
+		/// <param name="customBase">The custom base.</param>
+		/// <param name="customBaseString">The custom base string.</param>
+		public CustomBaseNumericLabelProvider(double customBase, string customBaseString)
+			: this(customBase)
+		{
+			CustomBaseString = customBaseString;
+		}
+
+		private string customBaseString = null;
+		/// <summary>
+		/// Gets or sets the custom base string.
+		/// </summary>
+		/// <value>The custom base string.</value>
+		public string CustomBaseString
+		{
+			get { return customBaseString; }
+			set
+			{
+				if (customBaseString != value)
+				{
+					customBaseString = value;
+					RaiseChanged();
+				}
+			}
+		}
+
+		protected override string GetStringCore(LabelTickInfo<double> tickInfo)
+		{
+			double value = tickInfo.Tick / customBase;
+
+			string customBaseStr = customBaseString ?? customBase.ToString();
+			string result;
+			if (value == 1)
+				result = customBaseStr;
+			else if (value == -1)
+			{
+				result = "-" + customBaseStr;
+			}
+			else
+				result = value.ToString() + customBaseStr;
+
+			return result;
+		}
+	}
+}