1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections.Generic;
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24 | using System.Drawing;
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25 | using System.Linq;
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26 | using System.Windows.Forms;
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27 | using System.Windows.Forms.DataVisualization.Charting;
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28 | using HeuristicLab.BioBoost.Representation;
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29 | using HeuristicLab.Common;
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30 | using HeuristicLab.Core;
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31 | using HeuristicLab.Core.Views;
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32 | using HeuristicLab.MainForm;
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33 | using HeuristicLab.PluginInfrastructure;
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34 |
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35 | namespace HeuristicLab.BioBoost.Views {
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36 |
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37 | [Content(typeof (ItemCollection<BioBoostCompoundSolution>), false)]
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38 | public partial class BioBoostParetoSetView : ItemView {
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39 |
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40 | private Point mouseDownPos;
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41 |
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42 | public new ItemCollection<BioBoostCompoundSolution> Content {
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43 | get { return (ItemCollection<BioBoostCompoundSolution>)base.Content; }
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44 | set { base.Content = value; }
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45 | }
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46 |
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47 | public BioBoostParetoSetView() {
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48 | InitializeComponent();
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49 | }
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50 |
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51 | protected override void RegisterContentEvents() {
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52 | base.RegisterContentEvents();
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53 | Content.ItemsAdded += UpdateChart;
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54 | Content.ItemsRemoved += UpdateChart;
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55 | Content.CollectionReset += UpdateChart;
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56 | }
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57 |
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58 | protected override void DeregisterContentEvents() {
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59 | base.DeregisterContentEvents();
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60 | Content.CollectionReset -= UpdateChart;
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61 | Content.ItemsRemoved -= UpdateChart;
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62 | Content.CollectionReset -= UpdateChart;
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63 | }
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64 |
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65 | protected override void OnContentChanged() {
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66 | base.OnContentChanged();
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67 | UpdateChart(this, EventArgs.Empty);
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68 | }
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69 |
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70 | protected virtual void UpdateChart(object sender, EventArgs args) {
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71 | if (InvokeRequired) {
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72 | Invoke(new EventHandler(UpdateChart), sender, args);
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73 | } else {
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74 | try {
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75 | if (paretoSetChart.IsDisposed) return;
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76 | var points = paretoSetChart.Series[0].Points;
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77 | if (Content == null) {
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78 | points.Clear();
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79 | return;
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80 | }
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81 | var newPoints = Content.Where(solution => solution.Qualities.Length >= 2).Select(s => new { x = s.Qualities[0], y = s.Qualities[1], solution = s}).ToList();
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82 | if (newPoints.Count > 0) {
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83 | var chartArea = paretoSetChart.ChartAreas[0];
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84 | AdaptAxis(chartArea.AxisX, newPoints.Select(p => p.x), 1);
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85 | AdaptAxis(chartArea.AxisY, newPoints.Select(p => p.y), 1);
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86 | paretoSetChart.BeginInit();
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87 | points.Clear();
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88 | foreach (var point in newPoints) {
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89 | points.Add(new DataPoint(point.x, point.y) {
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90 | Tag = point.solution,
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91 | });
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92 | }
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93 | paretoSetChart.EndInit();
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94 | }
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95 | } catch (Exception x) {
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96 | ErrorHandling.ShowErrorDialog(x);
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97 | }
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98 | }
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99 | }
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100 |
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101 | private void AdaptAxis(Axis axis, IEnumerable<double> values, int precision = 0, double overshot = 0.5, double margin = 0.25) {
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102 | var newMax = values.Max();
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103 | var newMin = values.Min();
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104 | var range = newMax - newMin;
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105 | newMax = newMax + range*margin;
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106 | newMin = newMin - range*margin;
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107 | if (range == 0) return;
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108 | var oldRange = axis.Maximum - axis.Minimum;
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109 | if (range*3 < oldRange) {
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110 | axis.Maximum = Math.Round(newMax+range*overshot, precision);
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111 | axis.Minimum = Math.Round(newMin-range*overshot , precision);
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112 | } else {
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113 | if (newMax > axis.Maximum) axis.Maximum = Math.Round(newMax+range*overshot, precision);
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114 | if (newMin < axis.Minimum) axis.Minimum = Math.Round(newMin-range*overshot, precision);
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115 | }
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116 | }
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117 |
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118 | private void paretoSetChart_MouseDown(object sender, MouseEventArgs e) { mouseDownPos = e.Location; }
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119 | private void paretoSetChart_DoubleClick(object sender, EventArgs e) {
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120 | var pos = mouseDownPos;
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121 | var result = paretoSetChart.HitTest(pos.X, pos.Y, ChartElementType.DataPoint);
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122 | var point = result.Object as DataPoint;
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123 | if (point != null && point.Tag is IContent)
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124 | MainFormManager.MainForm.ShowContent((IContent)point.Tag);
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125 | }
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126 |
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127 |
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128 | }
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129 | }
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