1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Drawing;
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4 | using System.Linq;
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5 | using System.Windows.Forms;
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6 | using HeuristicLab.Analysis;
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7 | using HeuristicLab.Analysis.Views;
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8 | using HeuristicLab.Collections;
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9 | using HeuristicLab.Data;
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10 | using HeuristicLab.MainForm;
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11 | using HeuristicLab.MainForm.WindowsForms;
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12 | using RegressionType = HeuristicLab.Analysis.ScatterPlotDataRowVisualProperties.ScatterPlotDataRowRegressionType;
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13 |
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14 | namespace HeuristicLab.DataPreprocessing.Views {
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15 | [View("Scatter Plot Multi View")]
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16 | [Content(typeof(MultiScatterPlotContent), true)]
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17 | public partial class ScatterPlotMultiView : PreprocessingCheckedVariablesView {
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18 | private readonly IDictionary<string, Label> columnHeaderCache;
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19 | private readonly IDictionary<string, VerticalLabel> rowHeaderCache;
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20 | private readonly IDictionary<Tuple<string/*col*/, string/*row*/>, Control> bodyCache;
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21 |
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22 | public ScatterPlotMultiView() {
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23 | InitializeComponent();
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24 |
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25 | regressionTypeComboBox.DataSource = Enum.GetValues(typeof(RegressionType));
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26 | regressionTypeComboBox.SelectedItem = RegressionType.None;
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27 |
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28 | #region Initialize Scrollbars
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29 | columnHeaderScrollPanel.HorizontalScroll.Enabled = true;
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30 | columnHeaderScrollPanel.VerticalScroll.Enabled = false;
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31 | columnHeaderScrollPanel.HorizontalScroll.Visible = false;
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32 | columnHeaderScrollPanel.VerticalScroll.Visible = false;
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33 |
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34 | rowHeaderScrollPanel.HorizontalScroll.Enabled = false;
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35 | rowHeaderScrollPanel.VerticalScroll.Enabled = true;
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36 | rowHeaderScrollPanel.HorizontalScroll.Visible = false;
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37 | rowHeaderScrollPanel.VerticalScroll.Visible = false;
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38 |
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39 | bodyScrollPanel.HorizontalScroll.Enabled = true;
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40 | bodyScrollPanel.VerticalScroll.Enabled = true;
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41 | bodyScrollPanel.HorizontalScroll.Visible = true;
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42 | bodyScrollPanel.VerticalScroll.Visible = true;
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43 | bodyScrollPanel.AutoScroll = true;
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44 | #endregion
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45 |
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46 | columnHeaderCache = new Dictionary<string, Label>();
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47 | rowHeaderCache = new Dictionary<string, VerticalLabel>();
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48 | bodyCache = new Dictionary<Tuple<string, string>, Control>();
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49 |
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50 | bodyScrollPanel.MouseWheel += bodyScrollPanel_MouseWheel;
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51 | }
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52 |
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53 | public new MultiScatterPlotContent Content {
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54 | get { return (MultiScatterPlotContent)base.Content; }
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55 | set { base.Content = value; }
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56 | }
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57 |
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58 | protected override void OnContentChanged() {
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59 | base.OnContentChanged();
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60 | if (Content != null) {
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61 | GenerateCharts();
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62 | }
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63 | }
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64 |
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65 | protected override void SetEnabledStateOfControls() {
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66 | base.SetEnabledStateOfControls();
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67 | var regressionType = (RegressionType)regressionTypeComboBox.SelectedValue;
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68 | polynomialRegressionOrderNumericUpDown.Enabled = regressionType == RegressionType.Polynomial;
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69 | }
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70 |
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71 | protected override void CheckedItemsChanged(object sender, CollectionItemsChangedEventArgs<IndexedItem<StringValue>> checkedItems) {
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72 | base.CheckedItemsChanged(sender, checkedItems);
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73 | if (suppressCheckedChangedUpdate)
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74 | return;
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75 | foreach (var variable in checkedItems.Items.Select(i => i.Value.Value)) {
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76 | if (IsVariableChecked(variable))
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77 | AddChartToTable(variable);
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78 | else
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79 | RemoveChartFromTable(variable);
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80 | }
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81 | }
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82 |
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83 | #region Add and remove charts
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84 | private void AddChartToTable(string variable) {
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85 | frameTableLayoutPanel.SuspendLayout();
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86 |
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87 | // find index to insert
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88 | var variables = Content.VariableItemList.Select(v => v.Value).ToList();
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89 | int idx = variables // all variables
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90 | .TakeWhile(t => t != variable) // ... until the variable that was checked
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91 | .Count(IsVariableChecked); // ... how many checked variables
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92 |
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93 | // add column header
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94 | var colH = columnHeaderTableLayoutPanel;
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95 | AddColumnHelper(colH, idx, _ => GetColumnHeader(variable));
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96 |
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97 | // add row header
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98 | var rowH = rowHeaderTableLayoutPanel;
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99 | AddRowHelper(rowH, idx, _ => GetRowHeader(variable));
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100 |
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101 | // add body
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102 | var body = bodyTableLayoutPanel;
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103 | var vars = GetCheckedVariables();
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104 | var varsMinus = vars.Except(new[] { variable }).ToList();
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105 | AddColumnHelper(body, idx, r => GetBody(variable, varsMinus[r])); // exclude "variable" because the row for it does not exist yet
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106 | AddRowHelper(body, idx, c => GetBody(vars[c], variable));
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107 |
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108 | frameTableLayoutPanel.ResumeLayout(true);
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109 | }
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110 | private void AddColumnHelper(TableLayoutPanel tlp, int idx, Func<int, Control> creatorFunc) {
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111 | // add column
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112 | tlp.ColumnCount++;
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113 | tlp.ColumnStyles.Insert(idx, new ColumnStyle(SizeType.Absolute, GetColumnWidth()));
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114 | // shift right
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115 | for (int c = tlp.ColumnCount; c > idx - 1; c--) {
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116 | for (int r = 0; r < tlp.RowCount; r++) {
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117 | var control = tlp.GetControlFromPosition(c, r);
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118 | if (control != null) {
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119 | tlp.SetColumn(control, c + 1);
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120 | }
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121 | }
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122 | }
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123 | // add controls
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124 | for (int r = 0; r < tlp.RowCount; r++) {
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125 | if (tlp.GetControlFromPosition(idx, r) == null)
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126 | tlp.Controls.Add(creatorFunc(r), idx, r);
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127 | }
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128 |
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129 | }
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130 | private void AddRowHelper(TableLayoutPanel tlp, int idx, Func<int, Control> creatorFunc) {
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131 | // add row
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132 | tlp.RowCount++;
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133 | tlp.RowStyles.Insert(idx, new RowStyle(SizeType.Absolute, GetRowHeight()));
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134 | // shift right
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135 | for (int r = tlp.RowCount; r > idx - 1; r--) {
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136 | for (int c = 0; c < tlp.ColumnCount; c++) {
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137 | var control = tlp.GetControlFromPosition(c, r);
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138 | if (control != null) {
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139 | tlp.SetRow(control, r + 1);
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140 | }
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141 | }
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142 | }
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143 | // add controls
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144 | for (int c = 0; c < tlp.ColumnCount; c++)
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145 | if (tlp.GetControlFromPosition(c, idx) == null)
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146 | tlp.Controls.Add(creatorFunc(c), c, idx);
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147 | }
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148 |
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149 | private void RemoveChartFromTable(string variable) {
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150 | frameTableLayoutPanel.SuspendLayout();
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151 |
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152 | // remove column header
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153 | var colH = columnHeaderTableLayoutPanel;
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154 | int colIdx = colH.GetColumn(colH.Controls[variable]);
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155 | RemoveColumnHelper(colH, colIdx);
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156 |
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157 | // remove row header
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158 | var rowH = rowHeaderTableLayoutPanel;
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159 | int rowIdx = rowH.GetRow(rowH.Controls[variable]);
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160 | RemoveRowHelper(rowH, rowIdx);
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161 |
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162 | // remove from body
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163 | var body = bodyTableLayoutPanel;
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164 | RemoveColumnHelper(body, colIdx);
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165 | RemoveRowHelper(body, rowIdx);
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166 |
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167 | frameTableLayoutPanel.ResumeLayout(true);
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168 | }
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169 | private void RemoveColumnHelper(TableLayoutPanel tlp, int idx) {
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170 | // remove controls
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171 | for (int r = 0; r < tlp.RowCount; r++)
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172 | tlp.Controls.Remove(tlp.GetControlFromPosition(idx, r));
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173 | // shift left
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174 | for (int c = idx + 1; c < tlp.ColumnCount; c++) {
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175 | for (int r = 0; r < tlp.RowCount; r++) {
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176 | var control = tlp.GetControlFromPosition(c, r);
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177 | if (control != null) {
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178 | tlp.SetColumn(control, c - 1);
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179 | }
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180 | }
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181 | }
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182 | // delete column
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183 | tlp.ColumnStyles.RemoveAt(tlp.ColumnCount - 1);
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184 | tlp.ColumnCount--;
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185 | }
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186 | private void RemoveRowHelper(TableLayoutPanel tlp, int idx) {
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187 | // remove controls
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188 | for (int c = 0; c < tlp.ColumnCount; c++)
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189 | tlp.Controls.Remove(tlp.GetControlFromPosition(c, idx));
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190 | // shift left
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191 | for (int r = idx + 1; r < tlp.RowCount; r++) {
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192 | for (int c = 0; c < tlp.ColumnCount; c++) {
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193 | var control = tlp.GetControlFromPosition(c, r);
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194 | if (control != null) {
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195 | tlp.SetRow(control, r - 1);
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196 | }
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197 | }
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198 | }
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199 | // delete rows
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200 | tlp.RowStyles.RemoveAt(tlp.RowCount - 1);
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201 | tlp.RowCount--;
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202 | }
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203 | #endregion
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204 |
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205 | #region Add/Remove/Update Variable
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206 | protected override void AddVariable(string name) {
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207 | base.AddVariable(name);
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208 | if (IsVariableChecked(name))
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209 | AddChartToTable(name);
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210 | }
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211 | protected override void RemoveVariable(string name) {
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212 | base.RemoveVariable(name);
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213 |
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214 | // clear caches
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215 | columnHeaderCache.Remove(name);
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216 | rowHeaderCache.Remove(name);
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217 | var keys = bodyCache.Keys.Where(t => t.Item1 == name || t.Item2 == name).ToList();
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218 | foreach (var key in keys)
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219 | bodyCache.Remove(key);
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220 |
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221 | if (IsVariableChecked(name)) {
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222 | RemoveChartFromTable(name);
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223 | }
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224 | }
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225 | protected override void UpdateVariable(string name) {
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226 | base.UpdateVariable(name);
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227 | RemoveVariable(name);
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228 | AddVariable(name);
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229 | }
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230 | protected override void ResetAllVariables() {
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231 | GenerateCharts();
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232 | }
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233 | #endregion
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234 |
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235 | #region Creating Headers and Body
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236 | private Label GetColumnHeader(string variable) {
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237 | if (!columnHeaderCache.ContainsKey(variable)) {
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238 | columnHeaderCache.Add(variable, new Label() {
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239 | Text = variable,
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240 | TextAlign = ContentAlignment.MiddleCenter,
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241 | Name = variable,
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242 | Height = columnHeaderTableLayoutPanel.Height,
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243 | Dock = DockStyle.Fill,
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244 | Margin = new Padding(3)
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245 | });
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246 | }
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247 | return columnHeaderCache[variable];
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248 | }
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249 | private Label GetRowHeader(string variable) {
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250 | if (!rowHeaderCache.ContainsKey(variable)) {
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251 | rowHeaderCache.Add(variable, new VerticalLabel() {
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252 | Text = variable,
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253 | TextAlign = ContentAlignment.MiddleCenter,
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254 | Name = variable,
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255 | Width = rowHeaderTableLayoutPanel.Width,
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256 | Height = columnHeaderScrollPanel.Width,
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257 | Dock = DockStyle.Fill,
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258 | Margin = new Padding(3)
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259 | });
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260 | }
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261 | return rowHeaderCache[variable];
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262 | }
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263 | private Control GetBody(string colVariable, string rowVariable) {
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264 | var key = Tuple.Create(colVariable, rowVariable);
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265 | if (!bodyCache.ContainsKey(key)) {
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266 | if (rowVariable == colVariable) { // use historgram if x and y variable are equal
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267 | var dataTable = new DataTable();
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268 | DataRow dataRow = Content.CreateDataRow(rowVariable, DataRowVisualProperties.DataRowChartType.Histogram);
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269 | dataRow.VisualProperties.IsVisibleInLegend = false;
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270 | dataTable.Rows.Add(dataRow);
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271 | var pcv = new DataTableControl {
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272 | Name = key.ToString(),
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273 | Content = dataTable,
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274 | Dock = DockStyle.Fill,
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275 | //ShowLegend = false,
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276 | //XAxisFormat = "G3"
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277 | };
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278 | //pcv.ChartDoubleClick += HistogramDoubleClick;
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279 | bodyCache.Add(key, pcv);
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280 | } else { //scatter plot
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281 | var scatterPlot = Content.CreateScatterPlot(colVariable, rowVariable);
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282 | var regressionType = (RegressionType)regressionTypeComboBox.SelectedValue;
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283 | int order = (int)polynomialRegressionOrderNumericUpDown.Value;
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284 | foreach (var row in scatterPlot.Rows) {
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285 | row.VisualProperties.PointSize = 3;
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286 | row.VisualProperties.IsRegressionVisibleInLegend = false;
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287 | row.VisualProperties.RegressionType = regressionType;
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288 | row.VisualProperties.PolynomialRegressionOrder = order;
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289 | }
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290 | scatterPlot.VisualProperties.Title = string.Empty;
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291 | var scatterPlotControl = new ScatterPlotControl {
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292 | Name = key.ToString(),
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293 | Content = scatterPlot,
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294 | Dock = DockStyle.Fill,
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295 | //ShowLegend = false,
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296 | //XAxisFormat = "G3"
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297 | };
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298 | //scatterPlotControl.DoubleClick += ScatterPlotDoubleClick; // ToDo: not working; double click is already handled by the chart
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299 | bodyCache.Add(key, scatterPlotControl);
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300 | }
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301 | }
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302 | return bodyCache[key];
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303 | }
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304 | #endregion
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305 |
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306 | protected override void CheckedChangedUpdate() {
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307 | GenerateCharts();
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308 | }
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309 |
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310 | #region Generate Charts
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311 | private void GenerateCharts() {
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312 | if (suppressCheckedChangedUpdate) return;
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313 |
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314 | var variables = GetCheckedVariables();
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315 |
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316 | // Clear old layouts and cache
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317 | foreach (var tableLayoutPanel in new[] { columnHeaderTableLayoutPanel, rowHeaderTableLayoutPanel, bodyTableLayoutPanel }) {
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318 | tableLayoutPanel.Controls.Clear();
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319 | tableLayoutPanel.ColumnStyles.Clear();
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320 | tableLayoutPanel.RowStyles.Clear();
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321 | }
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322 | columnHeaderCache.Clear();
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323 | rowHeaderCache.Clear();
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324 | bodyCache.Clear();
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325 |
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326 | // Set row and column count
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327 | columnHeaderTableLayoutPanel.ColumnCount = variables.Count;
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328 | rowHeaderTableLayoutPanel.RowCount = variables.Count;
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329 | bodyTableLayoutPanel.ColumnCount = variables.Count;
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330 | bodyTableLayoutPanel.RowCount = variables.Count;
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331 |
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332 | // Set column and row layout
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333 | for (int i = 0; i < variables.Count; i++) {
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334 | columnHeaderTableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, GetColumnWidth()));
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335 | rowHeaderTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, GetRowHeight()));
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336 | bodyTableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, GetColumnWidth()));
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337 | bodyTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, GetRowHeight()));
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338 | }
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339 |
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340 | frameTableLayoutPanel.SuspendLayout();
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341 | AddHeaderToTableLayoutPanels();
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342 | AddChartsToTableLayoutPanel();
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343 | UpdateHeaderMargin();
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344 | frameTableLayoutPanel.ResumeLayout(true);
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345 | }
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346 |
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347 | private void AddHeaderToTableLayoutPanels() {
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348 | int i = 0;
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349 | foreach (var variable in GetCheckedVariables()) {
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350 | columnHeaderTableLayoutPanel.Controls.Add(GetColumnHeader(variable), i, 0);
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351 | rowHeaderTableLayoutPanel.Controls.Add(GetRowHeader(variable), 0, i);
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352 | i++;
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353 | }
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354 | }
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355 | private void AddChartsToTableLayoutPanel() {
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356 | int c = 0;
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357 | foreach (var colVar in GetCheckedVariables()) {
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358 | if (!IsVariableChecked(colVar)) continue;
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359 | int r = 0;
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360 | foreach (var rowVar in GetCheckedVariables()) {
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361 | if (!IsVariableChecked(rowVar)) continue;
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362 | bodyTableLayoutPanel.Controls.Add(GetBody(colVar, rowVar), c, r);
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363 | r++;
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364 | }
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365 | c++;
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366 | }
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367 | UpdateRegressionLine();
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368 | }
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369 |
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370 | #endregion
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371 |
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372 | #region DoubleClick Events
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373 | //Open scatter plot in new tab with new content when double clicked
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374 | private void ScatterPlotDoubleClick(object sender, EventArgs e) {
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375 | var scatterPlotControl = (ScatterPlotControl)sender;
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376 | var scatterContent = new SingleScatterPlotContent(Content.PreprocessingData);
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377 | ScatterPlot scatterPlot = scatterPlotControl.Content;
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378 |
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379 | //Extract variable names from scatter plot and set them in content
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380 | if (scatterPlot.Rows.Count == 1) {
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381 | string[] variables = scatterPlot.Rows.ElementAt(0).Name.Split(new string[] { " - " }, StringSplitOptions.None); // extract variable names from string
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382 | scatterContent.SelectedXVariable = variables[0];
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383 | scatterContent.SelectedYVariable = variables[1];
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384 | }
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385 |
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386 | MainFormManager.MainForm.ShowContent(scatterContent, typeof(ScatterPlotSingleView)); // open in new tab
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387 | }
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388 |
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389 | //open histogram in new tab with new content when double clicked
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390 | private void HistogramDoubleClick(object sender, EventArgs e) {
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391 | DataTableControl pcv = (DataTableControl)sender;
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392 | HistogramContent histoContent = new HistogramContent(Content.PreprocessingData); // create new content
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393 | //ToDo: histoContent.VariableItemList = Content.CreateVariableItemList();
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394 | var dataTable = pcv.Content;
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395 |
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396 | //Set variable item list from with variable from data table
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397 | if (dataTable.Rows.Count == 1) { // only one data row should be in data table
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398 | string variableName = dataTable.Rows.ElementAt(0).Name;
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399 |
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400 | // set only variable name checked
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401 | foreach (var checkedItem in histoContent.VariableItemList) {
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402 | histoContent.VariableItemList.SetItemCheckedState(checkedItem, checkedItem.Value == variableName);
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403 | }
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404 | }
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405 | MainFormManager.MainForm.ShowContent(histoContent, typeof(HistogramView)); // open in new tab
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406 | }
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407 | #endregion
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408 |
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409 | #region Scrolling
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410 | private void bodyScrollPanel_Scroll(object sender, ScrollEventArgs e) {
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411 | SyncScroll();
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412 |
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413 | UpdateHeaderMargin();
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414 | }
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415 | private void bodyScrollPanel_MouseWheel(object sender, MouseEventArgs e) {
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416 | // Scrolling with the mouse wheel is not captured in the Scoll event
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417 | SyncScroll();
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418 | }
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419 | private void SyncScroll() {
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420 | frameTableLayoutPanel.SuspendRepaint();
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421 |
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422 | columnHeaderScrollPanel.HorizontalScroll.Minimum = bodyScrollPanel.HorizontalScroll.Minimum;
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423 | columnHeaderScrollPanel.HorizontalScroll.Maximum = bodyScrollPanel.HorizontalScroll.Maximum;
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424 | rowHeaderScrollPanel.VerticalScroll.Minimum = bodyScrollPanel.VerticalScroll.Minimum;
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425 | rowHeaderScrollPanel.VerticalScroll.Maximum = bodyScrollPanel.VerticalScroll.Maximum;
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426 |
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427 | columnHeaderScrollPanel.HorizontalScroll.Value = Math.Max(bodyScrollPanel.HorizontalScroll.Value, 1);
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428 | rowHeaderScrollPanel.VerticalScroll.Value = Math.Max(bodyScrollPanel.VerticalScroll.Value, 1);
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429 | // minimum 1 is nececary because of two factors:
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430 | // - setting the Value-property of Horizontal/VerticalScroll updates the internal state but the Value-property stays 0
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431 | // - setting the same number of the Value-property has no effect
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432 | // since the Value-property is always 0, setting it to 0 would have no effect; so it is set to 1 instead
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433 |
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434 | frameTableLayoutPanel.ResumeRepaint(true);
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435 | }
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436 | // add a margin to the header table layouts if the scollbar is visible to account for the width/height of the scrollbar
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437 | private void UpdateHeaderMargin() {
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438 | columnHeaderScrollPanel.Margin = new Padding(0, 0, bodyScrollPanel.VerticalScroll.Visible ? SystemInformation.VerticalScrollBarWidth : 0, 0);
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439 | rowHeaderScrollPanel.Margin = new Padding(0, 0, 0, bodyScrollPanel.HorizontalScroll.Visible ? SystemInformation.HorizontalScrollBarHeight : 0);
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440 | }
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441 | #endregion
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442 |
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443 | #region Sizing of Charts
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444 | private int GetColumnWidth() { return (int)(bodyScrollPanel.Width * ((float)widthTrackBar.Value / 100)); }
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445 | private int GetRowHeight() { return (int)(bodyScrollPanel.Height * ((float)heightTrackBar.Value / 100)); }
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446 | private void widthTrackBar_ValueChanged(object sender, EventArgs e) {
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447 | frameTableLayoutPanel.SuspendRepaint();
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448 | for (int i = 0; i < columnHeaderTableLayoutPanel.ColumnCount; i++) {
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449 | columnHeaderTableLayoutPanel.ColumnStyles[i].Width = GetColumnWidth();
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450 | bodyTableLayoutPanel.ColumnStyles[i].Width = GetColumnWidth();
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451 | }
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452 | frameTableLayoutPanel.ResumeRepaint(true);
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453 | }
|
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454 | private void heightTrackBar_ValueChanged(object sender, EventArgs e) {
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455 | frameTableLayoutPanel.SuspendRepaint();
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456 |
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457 | for (int i = 0; i < rowHeaderTableLayoutPanel.RowCount; i++) {
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458 | rowHeaderTableLayoutPanel.RowStyles[i].Height = GetRowHeight();
|
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459 | bodyTableLayoutPanel.RowStyles[i].Height = GetRowHeight();
|
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460 | }
|
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461 | frameTableLayoutPanel.ResumeRepaint(true);
|
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462 | }
|
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463 | #endregion
|
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464 |
|
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465 | #region Regression Line
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466 | private void regressionTypeComboBox_SelectedValueChanged(object sender, EventArgs e) {
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467 | var regressionType = (RegressionType)regressionTypeComboBox.SelectedValue;
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468 | polynomialRegressionOrderNumericUpDown.Enabled = regressionType == RegressionType.Polynomial;
|
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469 | UpdateRegressionLine();
|
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470 | }
|
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471 |
|
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472 | private void polynomialRegressionOrderNumericUpDown_ValueChanged(object sender, EventArgs e) {
|
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473 | UpdateRegressionLine();
|
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474 | }
|
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475 |
|
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476 | private void UpdateRegressionLine() {
|
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477 | var regressionType = (RegressionType)regressionTypeComboBox.SelectedValue;
|
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478 | int order = (int)polynomialRegressionOrderNumericUpDown.Value;
|
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479 |
|
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480 | foreach (var control in bodyCache.Values) {
|
---|
481 | var scatterPlotControl = control as ScatterPlotControl;
|
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482 | if (scatterPlotControl != null) {
|
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483 | foreach (var row in scatterPlotControl.Content.Rows) {
|
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484 | row.VisualProperties.IsRegressionVisibleInLegend = false;
|
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485 | row.VisualProperties.RegressionType = regressionType;
|
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486 | row.VisualProperties.PolynomialRegressionOrder = order;
|
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487 | }
|
---|
488 | }
|
---|
489 | }
|
---|
490 | }
|
---|
491 | #endregion
|
---|
492 | }
|
---|
493 | }
|
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494 |
|
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