1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 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.ComponentModel;
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25 | using System.Data;
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26 | using System.Drawing;
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27 | using System.Linq;
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28 | using System.Text;
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29 | using System.Windows.Forms;
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30 | using System.Windows.Forms.DataVisualization.Charting;
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31 | using HeuristicLab.Common;
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32 | using HeuristicLab.Core;
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33 | using HeuristicLab.Data;
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34 | using HeuristicLab.MainForm;
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35 | using HeuristicLab.MainForm.WindowsForms;
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36 |
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37 | namespace HeuristicLab.Optimization.Views {
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38 | [View("RunCollection BoxPlots")]
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39 | [Content(typeof(RunCollection), false)]
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40 | public partial class RunCollectionBoxPlotView : AsynchronousContentView {
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41 | private enum AxisDimension { Color = 0 }
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42 | private const string BoxPlotSeriesName = "BoxPlotSeries";
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43 | private const string BoxPlotChartAreaName = "BoxPlotChartArea";
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44 |
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45 | private string xAxisValue;
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46 | private string yAxisValue;
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47 | private Dictionary<int, Dictionary<object, double>> categoricalMapping;
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48 | private Dictionary<double, Series> seriesCache;
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49 |
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50 | public RunCollectionBoxPlotView() {
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51 | InitializeComponent();
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52 | this.categoricalMapping = new Dictionary<int, Dictionary<object, double>>();
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53 | this.seriesCache = new Dictionary<double, Series>();
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54 | this.chart.ChartAreas[0].Visible = false;
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55 | this.chart.Series.Clear();
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56 | this.chart.ChartAreas.Add(BoxPlotChartAreaName);
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57 | }
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58 |
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59 | public new RunCollection Content {
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60 | get { return (RunCollection)base.Content; }
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61 | set { base.Content = value; }
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62 | }
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63 | public IStringConvertibleMatrix Matrix {
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64 | get { return this.Content; }
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65 | }
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66 |
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67 | #region RunCollection and Run events
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68 | protected override void RegisterContentEvents() {
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69 | base.RegisterContentEvents();
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70 | Content.Reset += new EventHandler(Content_Reset);
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71 | Content.ColumnNamesChanged += new EventHandler(Content_ColumnNamesChanged);
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72 | Content.ItemsAdded += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
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73 | Content.ItemsRemoved += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
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74 | Content.CollectionReset += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
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75 | RegisterRunEvents(Content);
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76 | }
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77 | protected override void DeregisterContentEvents() {
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78 | base.DeregisterContentEvents();
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79 | Content.Reset -= new EventHandler(Content_Reset);
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80 | Content.ColumnNamesChanged -= new EventHandler(Content_ColumnNamesChanged);
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81 | Content.ItemsAdded -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
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82 | Content.ItemsRemoved -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
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83 | Content.CollectionReset -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
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84 | DeregisterRunEvents(Content);
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85 | }
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86 |
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87 | protected virtual void RegisterRunEvents(IEnumerable<IRun> runs) {
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88 | foreach (IRun run in runs)
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89 | run.Changed += new EventHandler(run_Changed);
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90 | }
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91 | protected virtual void DeregisterRunEvents(IEnumerable<IRun> runs) {
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92 | foreach (IRun run in runs)
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93 | run.Changed -= new EventHandler(run_Changed);
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94 | }
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95 |
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96 | private void Content_CollectionReset(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IRun> e) {
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97 | DeregisterRunEvents(e.OldItems);
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98 | RegisterRunEvents(e.Items);
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99 | }
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100 | private void Content_ItemsRemoved(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IRun> e) {
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101 | DeregisterRunEvents(e.Items);
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102 | }
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103 | private void Content_ItemsAdded(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IRun> e) {
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104 | RegisterRunEvents(e.Items);
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105 | }
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106 |
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107 | private void Content_Reset(object sender, EventArgs e) {
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108 | if (InvokeRequired)
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109 | Invoke(new EventHandler(Content_Reset), sender, e);
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110 | else {
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111 | this.categoricalMapping.Clear();
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112 | UpdateDataPoints();
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113 | }
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114 | }
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115 | private void Content_ColumnNamesChanged(object sender, EventArgs e) {
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116 | if (InvokeRequired)
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117 | Invoke(new EventHandler(Content_ColumnNamesChanged), sender, e);
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118 | else {
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119 | UpdateComboBoxes();
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120 | }
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121 | }
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122 | private void run_Changed(object sender, EventArgs e) {
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123 | if (InvokeRequired)
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124 | this.Invoke(new EventHandler(run_Changed), sender, e);
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125 | else {
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126 | IRun run = (IRun)sender;
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127 | UpdateDataPoints();
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128 | }
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129 | }
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130 | #endregion
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131 |
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132 | #region update comboboxes, datapoints, runs
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133 | protected override void OnContentChanged() {
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134 | base.OnContentChanged();
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135 | this.categoricalMapping.Clear();
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136 | UpdateComboBoxes();
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137 | UpdateDataPoints();
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138 | }
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139 |
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140 | private void UpdateComboBoxes() {
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141 | string selectedXAxis = (string)this.xAxisComboBox.SelectedItem;
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142 | string selectedYAxis = (string)this.yAxisComboBox.SelectedItem;
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143 | this.xAxisComboBox.Items.Clear();
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144 | this.yAxisComboBox.Items.Clear();
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145 | if (Content != null) {
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146 | string[] additionalAxisDimension = Enum.GetNames(typeof(AxisDimension));
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147 | this.xAxisComboBox.Items.AddRange(additionalAxisDimension);
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148 | this.xAxisComboBox.Items.AddRange(Matrix.ColumnNames.ToArray());
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149 | this.yAxisComboBox.Items.AddRange(additionalAxisDimension);
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150 | this.yAxisComboBox.Items.AddRange(Matrix.ColumnNames.ToArray());
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151 |
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152 | bool changed = false;
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153 | if (selectedXAxis != null && xAxisComboBox.Items.Contains(selectedXAxis)) {
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154 | xAxisComboBox.SelectedItem = selectedXAxis;
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155 | changed = true;
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156 | }
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157 | if (selectedYAxis != null && yAxisComboBox.Items.Contains(selectedYAxis)) {
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158 | yAxisComboBox.SelectedItem = selectedYAxis;
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159 | changed = true;
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160 | }
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161 | if (changed)
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162 | UpdateDataPoints();
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163 | }
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164 | }
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165 |
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166 | private void UpdateDataPoints() {
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167 | this.chart.Series.Clear();
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168 | this.seriesCache.Clear();
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169 | if (Content != null) {
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170 | foreach (IRun run in this.Content.Where(r => r.Visible))
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171 | this.AddDataPoint(run);
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172 | foreach (Series s in this.seriesCache.Values)
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173 | this.chart.Series.Add(s);
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174 |
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175 | if (seriesCache.Count > 0) {
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176 | Series boxPlotSeries = CreateBoxPlotSeries();
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177 | this.chart.Series.Add(boxPlotSeries);
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178 | }
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179 |
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180 | UpdateAxisLabels();
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181 | }
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182 | UpdateNoRunsVisibleLabel();
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183 | }
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184 |
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185 | private Series CreateBoxPlotSeries() {
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186 | Series boxPlotSeries = new Series(BoxPlotSeriesName);
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187 | string seriesNames = string.Concat(seriesCache.Keys.Select(x => x.ToString() + ";").ToArray());
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188 | seriesNames = seriesNames.Remove(seriesNames.Length - 1); //delete last ; from string
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189 |
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190 | boxPlotSeries.ChartArea = BoxPlotChartAreaName;
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191 | boxPlotSeries.ChartType = SeriesChartType.BoxPlot;
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192 | boxPlotSeries["BoxPlotSeries"] = seriesNames;
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193 | boxPlotSeries["BoxPlotShowUnusualValues"] = "true";
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194 | boxPlotSeries["PointWidth"] = "0.4";
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195 | boxPlotSeries.BackGradientStyle = System.Windows.Forms.DataVisualization.Charting.GradientStyle.VerticalCenter;
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196 | boxPlotSeries.BackSecondaryColor = System.Drawing.Color.FromArgb(130, 224, 64, 10);
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197 | boxPlotSeries.BorderColor = System.Drawing.Color.FromArgb(64, 64, 64);
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198 | boxPlotSeries.Color = System.Drawing.Color.FromArgb(224, 64, 10);
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199 |
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200 | return boxPlotSeries;
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201 | }
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202 |
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203 | private void AddDataPoint(IRun run) {
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204 | double? xValue;
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205 | double? yValue;
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206 |
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207 | if (!xAxisComboBox.DroppedDown)
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208 | this.xAxisValue = (string)xAxisComboBox.SelectedItem;
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209 | if (!yAxisComboBox.DroppedDown)
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210 | this.yAxisValue = (string)yAxisComboBox.SelectedItem;
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211 |
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212 | xValue = GetValue(run, this.xAxisValue);
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213 | yValue = GetValue(run, this.yAxisValue);
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214 |
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215 | if (xValue.HasValue && yValue.HasValue) {
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216 | if (!this.seriesCache.ContainsKey(xValue.Value))
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217 | seriesCache[xValue.Value] = new Series(xValue.Value.ToString());
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218 |
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219 | Series series = seriesCache[xValue.Value];
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220 | DataPoint point = new DataPoint(xValue.Value, yValue.Value);
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221 | series.Points.Add(point);
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222 | }
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223 | }
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224 | #endregion
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225 |
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226 | #region get values from run
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227 | private double? GetValue(IRun run, string columnName) {
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228 | if (run == null || string.IsNullOrEmpty(columnName))
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229 | return null;
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230 |
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231 | if (Enum.IsDefined(typeof(AxisDimension), columnName)) {
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232 | AxisDimension axisDimension = (AxisDimension)Enum.Parse(typeof(AxisDimension), columnName);
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233 | return GetValue(run, axisDimension);
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234 | } else {
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235 | int columnIndex = Matrix.ColumnNames.ToList().IndexOf(columnName);
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236 | IItem value = Content.GetValue(run, columnIndex);
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237 | if (value == null)
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238 | return null;
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239 |
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240 | DoubleValue doubleValue = value as DoubleValue;
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241 | IntValue intValue = value as IntValue;
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242 | TimeSpanValue timeSpanValue = value as TimeSpanValue;
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243 | double? ret = null;
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244 | if (doubleValue != null) {
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245 | if (!double.IsNaN(doubleValue.Value) && !double.IsInfinity(doubleValue.Value))
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246 | ret = doubleValue.Value;
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247 | } else if (intValue != null)
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248 | ret = intValue.Value;
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249 | else if (timeSpanValue != null) {
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250 | ret = timeSpanValue.Value.TotalSeconds;
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251 | } else
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252 | ret = GetCategoricalValue(columnIndex, value.ToString());
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253 |
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254 | return ret;
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255 | }
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256 | }
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257 | private double GetCategoricalValue(int dimension, string value) {
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258 | if (!this.categoricalMapping.ContainsKey(dimension))
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259 | this.categoricalMapping[dimension] = new Dictionary<object, double>();
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260 | if (!this.categoricalMapping[dimension].ContainsKey(value)) {
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261 | if (this.categoricalMapping[dimension].Values.Count == 0)
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262 | this.categoricalMapping[dimension][value] = 1.0;
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263 | else
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264 | this.categoricalMapping[dimension][value] = this.categoricalMapping[dimension].Values.Max() + 1.0;
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265 | }
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266 | return this.categoricalMapping[dimension][value];
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267 | }
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268 | private double GetValue(IRun run, AxisDimension axisDimension) {
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269 | double value = double.NaN;
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270 | switch (axisDimension) {
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271 | case AxisDimension.Color: {
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272 | value = GetCategoricalValue(-1, run.Color.ToString());
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273 | break;
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274 | }
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275 | default: {
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276 | throw new ArgumentException("No handling strategy for " + axisDimension.ToString() + " is defined.");
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277 | }
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278 | }
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279 | return value;
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280 | }
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281 | #endregion
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282 |
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283 | #region GUI events
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284 | private void UpdateNoRunsVisibleLabel() {
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285 | if (this.chart.Series.Count > 0)
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286 | noRunsLabel.Visible = false;
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287 | else
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288 | noRunsLabel.Visible = true;
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289 | }
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290 |
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291 | private void AxisComboBox_SelectedIndexChanged(object sender, EventArgs e) {
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292 | UpdateDataPoints();
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293 | }
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294 | private void UpdateAxisLabels() {
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295 | Axis xAxis = this.chart.ChartAreas[BoxPlotChartAreaName].AxisX;
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296 | Axis yAxis = this.chart.ChartAreas[BoxPlotChartAreaName].AxisY;
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297 | int axisDimensionCount = Enum.GetNames(typeof(AxisDimension)).Count();
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298 | SetCustomAxisLabels(xAxis, xAxisComboBox.SelectedIndex - axisDimensionCount);
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299 | SetCustomAxisLabels(yAxis, yAxisComboBox.SelectedIndex - axisDimensionCount);
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300 | }
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301 |
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302 | private void chart_AxisViewChanged(object sender, System.Windows.Forms.DataVisualization.Charting.ViewEventArgs e) {
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303 | this.UpdateAxisLabels();
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304 | }
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305 |
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306 | private void SetCustomAxisLabels(Axis axis, int dimension) {
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307 | axis.CustomLabels.Clear();
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308 | if (categoricalMapping.ContainsKey(dimension)) {
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309 | CustomLabel label = null;
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310 | foreach (var pair in categoricalMapping[dimension]) {
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311 | string labelText = pair.Key.ToString();
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312 | if (labelText.Length > 25)
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313 | labelText = labelText.Substring(0, 25) + " ... ";
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314 | label = axis.CustomLabels.Add(pair.Value - 0.5, pair.Value + 0.5, labelText);
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315 | label.GridTicks = GridTickTypes.TickMark;
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316 | }
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317 | axis.IsLabelAutoFit = false;
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318 | axis.LabelStyle.Enabled = true;
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319 | axis.LabelStyle.Angle = 0;
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320 | axis.LabelStyle.TruncatedLabels = true;
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321 | } else if (dimension > 0 && Content.GetValue(0, dimension) is TimeSpanValue) {
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322 | this.chart.ChartAreas[0].RecalculateAxesScale();
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323 | Axis correspondingAxis = this.chart.ChartAreas[0].Axes.Where(x => x.Name == axis.Name).SingleOrDefault();
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324 | if (correspondingAxis == null)
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325 | correspondingAxis = axis;
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326 | for (double i = correspondingAxis.Minimum; i <= correspondingAxis.Maximum; i += correspondingAxis.LabelStyle.Interval) {
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327 | TimeSpan time = TimeSpan.FromSeconds(i);
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328 | string x = string.Format("{0:00}:{1:00}:{2:00}", (int)time.Hours, time.Minutes, time.Seconds);
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329 | axis.CustomLabels.Add(i - correspondingAxis.LabelStyle.Interval / 2, i + correspondingAxis.LabelStyle.Interval / 2, x);
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330 | }
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331 | }
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332 | }
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333 | #endregion
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334 | }
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335 | }
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