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 | using System;
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22 | using System.Collections.Generic;
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23 | using System.Collections.Specialized;
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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 HeuristicLab.Common;
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31 | using HeuristicLab.MainForm;
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32 | using HeuristicLab.Problems.DataAnalysis;
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33 | using HeuristicLab.MainForm.WindowsForms;
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34 |
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35 | namespace HeuristicLab.Problems.DataAnalysis {
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36 | [View("Line Chart View")]
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37 | [Content(typeof(DataAnalysisSolution))]
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38 | public partial class LineChartView : ContentView {
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39 |
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40 | public LineChartView()
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41 | : base() {
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42 | InitializeComponent();
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43 | this.Caption = "Line Chart View";
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44 | //configure axis
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45 | this.chart.ChartAreas[0].CursorX.IsUserSelectionEnabled = true;
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46 | this.chart.ChartAreas[0].AxisX.ScaleView.Zoomable = true;
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47 | this.chart.ChartAreas[0].CursorX.Interval = 0;
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48 |
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49 | this.chart.ChartAreas[0].CursorY.IsUserSelectionEnabled = true;
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50 | this.chart.ChartAreas[0].AxisY.ScaleView.Zoomable = true;
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51 | this.chart.ChartAreas[0].CursorY.Interval = 0;
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52 | }
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53 |
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54 | public LineChartView(DataAnalysisSolution dataAnalysisSolution)
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55 | : this() {
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56 |
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57 | }
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58 |
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59 | private void model_Changed(object sender, EventArgs e) {
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60 | if (InvokeRequired) {
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61 | Action<object, EventArgs> action = new Action<object, EventArgs>(model_Changed);
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62 | this.Invoke(action, sender, e);
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63 | } else {
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64 | IVisualModel model = (IVisualModel)sender;
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65 | Series s = this.chart.Series.Single(x => x.Tag == model);
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66 | s.Points.DataBindY(model.PredictedValues.ToArray());
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67 | s.LegendText = model.ModelName;
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68 | this.UpdateStripLines();
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69 | }
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70 | }
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71 |
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72 | protected override void ModelsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e) {
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73 | base.ModelsCollectionChanged(sender, e);
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74 | if (InvokeRequired) {
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75 | Action<object, NotifyCollectionChangedEventArgs> action = new Action<object, NotifyCollectionChangedEventArgs>(ModelsCollectionChanged);
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76 | this.Invoke(action, sender, e);
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77 | } else {
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78 | if (e.Action == NotifyCollectionChangedAction.Remove) {
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79 | foreach (IVisualModel model in e.OldItems) {
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80 | if (this.chart.Series.Any(x => x.Tag == model))
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81 | this.RemoveModel(model);
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82 | }
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83 | this.UpdateStripLines();
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84 | } else if (e.Action == NotifyCollectionChangedAction.Reset)
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85 | this.RemoveAllModels();
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86 | }
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87 | }
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88 |
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89 | private void AddModel(IVisualModel model) {
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90 | if (this.targetVariableName != model.TargetVariableName) {
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91 | this.RemoveAllModels();
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92 | this.chart.Series.Clear();
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93 | this.chart.Series.Add(TARGETVARIABLE);
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94 | this.chart.Series[TARGETVARIABLE].LegendText = model.TargetVariableName;
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95 | this.chart.Series[TARGETVARIABLE].ChartType = SeriesChartType.FastLine;
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96 | this.chart.Series[TARGETVARIABLE].Points.DataBindY(model.Dataset.GetVariableValues(model.TargetVariableName));
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97 | this.targetVariableName = model.TargetVariableName;
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98 | this.Caption = this.targetVariableName + " Model Line Chart";
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99 | }
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100 | string seriesName = model.GetHashCode().ToString();
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101 | this.chart.Series.Add(seriesName);
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102 | this.chart.Series[seriesName].Tag = model;
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103 | this.chart.Series[seriesName].LegendText = model.ModelName;
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104 | this.chart.Series[seriesName].ChartType = SeriesChartType.FastLine;
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105 | this.chart.Series[seriesName].Points.DataBindY(model.PredictedValues.ToArray());
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106 | model.Changed += new EventHandler(model_Changed);
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107 | this.UpdateStripLines();
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108 | }
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109 |
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110 | private void RemoveModel(IVisualModel model) {
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111 | Series s = this.chart.Series.Single(x => x.Tag == model);
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112 | this.chart.Series.Remove(s);
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113 | model.Changed -= new EventHandler(model_Changed);
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114 | }
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115 |
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116 | private void RemoveAllModels() {
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117 | var models = (from s in chart.Series
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118 | let m = s.Tag as IVisualModel
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119 | where m != null
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120 | select m).ToArray(); // select and copy currently displayed models
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121 | foreach (var m in models) {
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122 | this.RemoveModel(m);
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123 | }
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124 | this.UpdateStripLines();
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125 | }
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126 |
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127 | private void chart_MouseDown(object sender, MouseEventArgs e) {
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128 | HitTestResult result = this.chart.HitTest(e.X, e.Y);
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129 | if (result.ChartElementType == ChartElementType.LegendItem) {
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130 | if (result.Series.Name != TARGETVARIABLE) {
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131 | this.RemoveModel(result.Series.Tag as IVisualModel);
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132 | this.UpdateStripLines();
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133 | }
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134 | }
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135 | }
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136 |
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137 | private void chart_MouseMove(object sender, MouseEventArgs e) {
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138 | HitTestResult result = this.chart.HitTest(e.X, e.Y);
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139 | if (result.ChartElementType == ChartElementType.LegendItem) {
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140 | if (result.Series.Name != TARGETVARIABLE)
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141 | this.Cursor = Cursors.Hand;
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142 | } else
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143 | this.Cursor = Cursors.Default;
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144 | }
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145 |
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146 | private void UpdateStripLines() {
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147 | this.chart.ChartAreas[0].AxisX.StripLines.Clear();
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148 | IEnumerable<IVisualModel> visualModels = from Series s in this.chart.Series
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149 | where s.Tag is IVisualModel
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150 | select (IVisualModel)s.Tag;
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151 | if (visualModels.Count() > 0) {
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152 | IVisualModel model = visualModels.ElementAt(0);
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153 | if (visualModels.All(x => x.TrainingSamplesStart == model.TrainingSamplesStart && x.TrainingSamplesEnd == model.TrainingSamplesEnd))
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154 | this.CreateAndAddStripLine("Training", Color.FromArgb(20, Color.Green), model.TrainingSamplesStart, model.TrainingSamplesEnd);
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155 | if (visualModels.All(x => x.ValidationSamplesStart == model.ValidationSamplesStart && x.ValidationSamplesEnd == model.ValidationSamplesEnd))
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156 | this.CreateAndAddStripLine("Validation", Color.FromArgb(20, Color.Yellow), model.ValidationSamplesStart, model.ValidationSamplesEnd);
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157 | if (visualModels.All(x => x.TestSamplesStart == model.TestSamplesStart && x.TestSamplesEnd == model.TestSamplesEnd))
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158 | this.CreateAndAddStripLine("Test", Color.FromArgb(20, Color.Red), model.TestSamplesStart, model.TestSamplesEnd);
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159 | }
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160 | }
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161 |
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162 | private void CreateAndAddStripLine(string title, Color c, int start, int end) {
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163 | StripLine stripLine = new StripLine();
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164 | stripLine.BackColor = c;
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165 | stripLine.Text = title;
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166 | stripLine.Font = new Font("Times New Roman", 12, FontStyle.Bold);
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167 | stripLine.StripWidth = end - start;
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168 | stripLine.IntervalOffset = start;
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169 | this.chart.ChartAreas[0].AxisX.StripLines.Add(stripLine);
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170 | }
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171 | }
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172 | }
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