source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/Charts/Isolines/IsolineCollection.cs @ 12747

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Collections;

namespace Microsoft.Research.DynamicDataDisplay.Charts.Isolines
{
  /// <summary>
  /// LevelLine contains all data for one isoline line - its start point, other points and value in field.
  /// </summary>
  public sealed class LevelLine
  {
    /// <summary>
    /// Gets or sets the value of line in limits of [0..1].
    /// </summary>
    /// <value>The value01.</value>
    public double Value01 { get; set; }
    /// <summary>
    /// Gets or sets the real value of line - without scaling to [0..1] segment.
    /// </summary>
    /// <value>The real value.</value>
    public double RealValue { get; set; }

    /// <summary>
    /// Gets or sets the start point of line.
    /// </summary>
    /// <value>The start point.</value>
    public Point StartPoint { get; set; }

    private readonly List<Point> otherPoints = new List<Point>();
    /// <summary>
    /// Gets other points of line, except first point.
    /// </summary>
    /// <value>The other points.</value>
    public List<Point> OtherPoints
    {
      get { return otherPoints; }
    }

    /// <summary>
    /// Gets all points of line, including start point.
    /// </summary>
    /// <value>All points.</value>
    public IEnumerable<Point> AllPoints
    {
      get
      {
        yield return StartPoint;
        for (int i = 0; i < otherPoints.Count; i++)
        {
          yield return otherPoints[i];
        }
      }
    }

    /// <summary>
    /// Gets all the segments of lines.
    /// </summary>
    /// <returns></returns>
    public IEnumerable<Range<Point>> GetSegments()
    {
      if (otherPoints.Count < 1)
        yield break;

      yield return new Range<Point>(StartPoint, otherPoints[0]);
      for (int i = 1; i < otherPoints.Count; i++)
      {
        yield return new Range<Point>(otherPoints[i - 1], otherPoints[i]);
      }
    }
  }

  /// <summary>
  /// IsolineTextLabel contains information about one label in isoline - its text, position and rotation.
  /// </summary>
  public sealed class IsolineTextLabel
  {
    /// <summary>
    /// Gets or sets the rotation of isoline text label.
    /// </summary>
    /// <value>The rotation.</value>
    public double Rotation { get; internal set; }
    /// <summary>
    /// Gets or sets the text of isoline label.
    /// </summary>
    /// <value>The text.</value>
    public double Value { get; internal set; }
    /// <summary>
    /// Gets or sets the position of isoline text label.
    /// </summary>
    /// <value>The position.</value>
    public Point Position { get; internal set; }
  }

  /// <summary>
  /// Collection which contains all data generated by <seealso cref="IsolineBuilder"/>.
  /// </summary>
  public sealed class IsolineCollection : IEnumerable<LevelLine>
  {
        private double min;
        public double Min
        {
            get { return min; }
            set { min = value; }
        }

        private double max;
        public double Max
        {
            get { return max; }
            set { max = value; }
        }

    private readonly List<LevelLine> lines = new List<LevelLine>();
    /// <summary>
    /// Gets the list of isoline lines.
    /// </summary>
    /// <value>The lines.</value>
    public List<LevelLine> Lines
    {
      get { return lines; }
    }

    internal void StartLine(Point p, double value01, double realValue)
    {
            LevelLine segment = new LevelLine { StartPoint = p, Value01 = value01, RealValue = realValue };
            if (lines.Count == 0 || lines[lines.Count - 1].OtherPoints.Count > 0)
                lines.Add(segment);
            else
                lines[lines.Count - 1] = segment;
            
    }

    internal void AddPoint(Point p)
    {
      lines[lines.Count - 1].OtherPoints.Add(p);
    }

    #region IEnumerable<LevelLine> Members

    public IEnumerator<LevelLine> GetEnumerator()
    {
      return lines.GetEnumerator();
    }

    #endregion

    #region IEnumerable Members

    IEnumerator IEnumerable.GetEnumerator()
    {
      return GetEnumerator();
    }

    #endregion
  }
}