/Main/src/DynamicDataDisplay/GenericChartPlotter.cs

  1using System;
  2using System.Collections.Generic;
  3using System.Linq;
  4using System.Text;
  5using Microsoft.Research.DynamicDataDisplay.Charts;
  6using System.Windows;
  7using Microsoft.Research.DynamicDataDisplay.Common;
  8
  9namespace Microsoft.Research.DynamicDataDisplay
 10{
 11	public sealed class GenericChartPlotter<THorizontal, TVertical>
 12	{
 13		private readonly AxisBase<THorizontal> horizontalAxis;
 14		public AxisBase<THorizontal> HorizontalAxis
 15		{
 16			get { return horizontalAxis; }
 17		}
 18
 19		private readonly AxisBase<TVertical> verticalAxis;
 20		public AxisBase<TVertical> VerticalAxis
 21		{
 22			get { return verticalAxis; }
 23		}
 24
 25		private readonly ChartPlotter plotter;
 26		public ChartPlotter Plotter
 27		{
 28			get { return plotter; }
 29		}
 30
 31		public Func<THorizontal, double> HorizontalToDoubleConverter
 32		{
 33			get { return horizontalAxis.ConvertToDouble; }
 34		}
 35
 36		public Func<double, THorizontal> DoubleToHorizontalConverter
 37		{
 38			get { return horizontalAxis.ConvertFromDouble; }
 39		}
 40
 41		public Func<TVertical, double> VerticalToDoubleConverter
 42		{
 43			get { return verticalAxis.ConvertToDouble; }
 44		}
 45
 46		public Func<double, TVertical> DoubleToVerticalConverter
 47		{
 48			get { return verticalAxis.ConvertFromDouble; }
 49		}
 50
 51		internal GenericChartPlotter(ChartPlotter plotter) : this(plotter, plotter.MainHorizontalAxis as AxisBase<THorizontal>, plotter.MainVerticalAxis as AxisBase<TVertical>) { }
 52
 53		internal GenericChartPlotter(ChartPlotter plotter, AxisBase<THorizontal> horizontalAxis, AxisBase<TVertical> verticalAxis)
 54		{
 55			if (horizontalAxis == null)
 56				throw new ArgumentNullException(Strings.Exceptions.PlotterMainHorizontalAxisShouldNotBeNull);
 57			if (verticalAxis == null)
 58				throw new ArgumentNullException(Strings.Exceptions.PlotterMainVerticalAxisShouldNotBeNull);
 59
 60			this.horizontalAxis = horizontalAxis;
 61			this.verticalAxis = verticalAxis;
 62
 63			this.plotter = plotter;
 64		}
 65
 66		public GenericRect<THorizontal, TVertical> ViewportRect
 67		{
 68			get
 69			{
 70				DataRect viewportRect = plotter.Viewport.Visible;
 71				return CreateGenericRect(viewportRect);
 72			}
 73			set
 74			{
 75				DataRect viewportRect = CreateRect(value);
 76				plotter.Viewport.Visible = viewportRect;
 77			}
 78		}
 79
 80		public GenericRect<THorizontal, TVertical> DataRect
 81		{
 82			get
 83			{
 84				DataRect dataRect = plotter.Viewport.Visible.ViewportToData(plotter.Viewport.Transform);
 85				return CreateGenericRect(dataRect);
 86			}
 87			set
 88			{
 89				DataRect dataRect = CreateRect(value);
 90				plotter.Viewport.Visible = dataRect.DataToViewport(plotter.Viewport.Transform);
 91			}
 92		}
 93
 94		private DataRect CreateRect(GenericRect<THorizontal, TVertical> value)
 95		{
 96			double xMin = HorizontalToDoubleConverter(value.XMin);
 97			double xMax = HorizontalToDoubleConverter(value.XMax);
 98			double yMin = VerticalToDoubleConverter(value.YMin);
 99			double yMax = VerticalToDoubleConverter(value.YMax);
100
101			return new DataRect(new Point(xMin, yMin), new Point(xMax, yMax));
102		}
103
104		private GenericRect<THorizontal, TVertical> CreateGenericRect(DataRect rect)
105		{
106			double xMin = rect.XMin;
107			double xMax = rect.XMax;
108			double yMin = rect.YMin;
109			double yMax = rect.YMax;
110
111			GenericRect<THorizontal, TVertical> res = new GenericRect<THorizontal, TVertical>(
112				DoubleToHorizontalConverter(xMin),
113				DoubleToVerticalConverter(yMin),
114				DoubleToHorizontalConverter(xMax),
115				DoubleToVerticalConverter(yMax));
116
117			return res;
118		}
119
120	}
121}