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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="PlotModelUtilities.cs" company="OxyPlot">
// Copyright (c) 2014 OxyPlot contributors
// </copyright>
// <summary>
// Provides utility functions for PlotModel used in examples.
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace ExampleLibrary.Utilities
{
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using OxyPlot;
using OxyPlot.Axes;
using OxyPlot.Series;
/// <summary>
/// Provides utility functions for PlotModel used in examples.
/// </summary>
public static class PlotModelUtilities
{
private const string XAXIS_KEY = "x";
private const string YAXIS_KEY = "y";
/// <summary>
/// Lists all XYAxisSeries from the core library that are NOT reversible.
/// </summary>
private static readonly HashSet<Type> NonReversibleSeriesTypes = new HashSet<Type>
{
};
/// <summary>
/// Lists all Annotations that need axes and are NOT reversible.
/// </summary>
private static readonly HashSet<Type> NonReversibleDataSpaceAnnotationTypes = new HashSet<Type>
{
typeof(TileMapAnnotation),
};
/// <summary>
/// Lists all XYAxisSeries from the core library that are NOT transposable.
/// </summary>
private static readonly HashSet<Type> NonTransposableSeriesTypes = new HashSet<Type>
{
typeof(CandleStickAndVolumeSeries),
typeof(OldCandleStickSeries),
};
/// <summary>
/// Lists all Annotations that need axes and are NOT transposable.
/// </summary>
private static readonly HashSet<Type> NonTransposableDataSpaceAnnotationTypes = new HashSet<Type>
{
};
/// <summary>
/// Returns a value indicating whether a plot model is reversible.
/// </summary>
/// <param name="model">The plot model.</param>
/// <returns>True if the plot model in reversible; false otherwise.</returns>
public static bool IsReversible(this PlotModel model)
{
return (model.Axes.Count > 0 || model.Series.Count > 0)
&& model.Axes.All(a => a.Position != AxisPosition.None)
&& model.Series.All(s =>
{
var type = s.GetType();
return s is XYAxisSeries
&& type.GetTypeInfo().Assembly == typeof(PlotModel).GetTypeInfo().Assembly
&& !NonReversibleSeriesTypes.Contains(type);
})
&& model.Annotations.All(a =>
{
var type = a.GetType();
return !NonReversibleDataSpaceAnnotationTypes.Contains(type);
});
}
/// <summary>
/// Returns a value indicating whether a plot model is transposable.
/// </summary>
/// <param name="model">The plot model.</param>
/// <returns>True if the plot model in transposable; false otherwise.</returns>
public static bool IsTransposable(this PlotModel model)
{
return (model.Axes.Count > 0 || model.Series.Count > 0)
&& model.Axes.All(a => a.Position != AxisPosition.None)
&& model.Series.All(s => s is ITransposablePlotElement && !NonTransposableSeriesTypes.Contains(s.GetType()))
&& model.Annotations.All(a => a is ITransposablePlotElement && !NonTransposableDataSpaceAnnotationTypes.Contains(a.GetType()));
}
/// <summary>
/// Reverses the X Axis of a PlotModel. The given PlotModel is mutated and returned for convenience.
/// </summary>
/// <param name="model">The PlotModel.</param>
/// <returns>The PlotModel with reversed X Axis.</returns>
public static PlotModel ReverseXAxis(this PlotModel model)
{
if (!string.IsNullOrEmpty(model.Title))
{
model.Title += " (reversed X Axis)";
}
var foundXAxis = false;
foreach (var axis in model.Axes)
{
switch (axis.Position)
{
case AxisPosition.Bottom:
axis.StartPosition = 1 - axis.StartPosition;
axis.EndPosition = 1 - axis.EndPosition;
foundXAxis = true;
break;
case AxisPosition.Left:
case AxisPosition.Right:
case AxisPosition.Top:
case AxisPosition.None:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
if (!foundXAxis)
{
model.Axes.Add(new LinearAxis { Position = AxisPosition.Bottom, StartPosition = 1, EndPosition = 0});
}
return model;
}
/// <summary>
/// Reverses the Y Axis of a PlotModel. The given PlotModel is mutated and returned for convenience.
/// </summary>
/// <param name="model">The PlotModel.</param>
/// <returns>The PlotModel with reversed Y Axis.</returns>
public static PlotModel ReverseYAxis(this PlotModel model)
{
if (!string.IsNullOrEmpty(model.Title))
{
model.Title += " (reversed Y Axis)";
}
var foundYAxis = false;
foreach (var axis in model.Axes)
{
switch (axis.Position)
{
case AxisPosition.Left:
axis.StartPosition = 1 - axis.StartPosition;
axis.EndPosition = 1 - axis.EndPosition;
foundYAxis = true;
break;
case AxisPosition.Bottom:
case AxisPosition.Right:
case AxisPosition.Top:
case AxisPosition.None:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
if (!foundYAxis)
{
model.Axes.Add(new LinearAxis { Position = AxisPosition.Left, StartPosition = 1, EndPosition = 0});
}
return model;
}
/// <summary>
/// Reverses X and Y Axes of a PlotModel. The given PlotModel is mutated and returned for convenience.
/// </summary>
/// <param name="model">The PlotModel.</param>
/// <returns>The PlotModel with reversed X and Y Axis.</returns>
public static PlotModel ReverseXandYAxes(this PlotModel model)
{
var title = model.Title;
if (!string.IsNullOrEmpty(title))
{
title += " (reversed both Axes)";
}
model = model.ReverseXAxis().ReverseYAxis();
model.Title = title;
return model;
}
/// <summary>
/// Reverses all axes of a PlotModel. The given PlotModel is mutated and returned for convenience.
/// </summary>
/// <param name="model">The PlotModel.</param>
/// <returns>The PlotModel with reversed axes.</returns>
public static PlotModel ReverseAllAxes(this PlotModel model)
{
if (!string.IsNullOrEmpty(model.Title))
{
model.Title += " (reversed all Axes)";
}
// Update plot to generate default axes etc.
((IPlotModel)model).Update(false);
foreach (var axis in model.Axes)
{
switch (axis.Position)
{
case AxisPosition.Left:
case AxisPosition.Bottom:
case AxisPosition.Right:
case AxisPosition.Top:
axis.StartPosition = 1 - axis.StartPosition;
axis.EndPosition = 1 - axis.EndPosition;
break;
case AxisPosition.None:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
return model;
}
/// <summary>
/// Transposes a PlotModel. The given PlotModel is mutated and returned for convenience.
/// </summary>
/// <param name="model">The PlotModel.</param>
/// <returns>The transposed PlotModel.</returns>
public static PlotModel Transpose(this PlotModel model)
{
if (!string.IsNullOrEmpty(model.Title))
{
model.Title += " (transposed)";
}
// Update plot to generate default axes etc.
((IPlotModel)model).Update(false);
foreach (var axis in model.Axes)
{
switch (axis.Position)
{
case AxisPosition.Bottom:
axis.Position = AxisPosition.Left;
break;
case AxisPosition.Left:
axis.Position = AxisPosition.Bottom;
break;
case AxisPosition.Right:
axis.Position = AxisPosition.Top;
break;
case AxisPosition.Top:
axis.Position = AxisPosition.Right;
break;
case AxisPosition.None:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
foreach (var annotation in model.Annotations)
{
if (annotation.XAxis != null && annotation.XAxisKey == null)
{
if (annotation.XAxis.Key == null)
{
annotation.XAxis.Key = XAXIS_KEY;
}
annotation.XAxisKey = annotation.XAxis.Key;
}
if (annotation.YAxis != null && annotation.YAxisKey == null)
{
if (annotation.YAxis.Key == null)
{
annotation.YAxis.Key = YAXIS_KEY;
}
annotation.YAxisKey = annotation.YAxis.Key;
}
}
foreach (var series in model.Series.OfType<XYAxisSeries>())
{
if (series.XAxisKey == null)
{
if (series.XAxis == null) // this can happen if the series is invisible initially
{
series.XAxisKey = XAXIS_KEY;
}
else
{
if (series.XAxis.Key == null)
{
series.XAxis.Key = XAXIS_KEY;
}
series.XAxisKey = series.XAxis.Key;
}
}
if (series.YAxisKey == null)
{
if (series.YAxis == null)
{
series.YAxisKey = YAXIS_KEY;
}
else
{
if (series.YAxis.Key == null)
{
series.YAxis.Key = YAXIS_KEY;
}
series.YAxisKey = series.YAxis.Key;
}
}
}
return model;
}
}
}