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.Collections;
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8 | using HeuristicLab.Common;
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9 | using HeuristicLab.Core.Views;
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10 | using HeuristicLab.Data;
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11 | using HeuristicLab.MainForm;
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12 | using HeuristicLab.MainForm.WindowsForms;
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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(ScatterPlotContent), false)]
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17 | public partial class ScatterPlotMultiView : PreprocessingCheckedVariablesView {
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18 | private const int MaxAutoSizeElements = 6;
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19 | private const int FixedChartWidth = 250;
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20 | private const int FixedChartHeight = 150;
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21 |
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22 | private readonly IDictionary<string, Label> columnHeaderCache;
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23 | private readonly IDictionary<string, Label> rowHeaderCache;
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24 | private readonly IDictionary<Tuple<string/*col*/, string/*row*/>, ItemView> bodyCache;
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25 |
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26 | public ScatterPlotMultiView() {
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27 | InitializeComponent();
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28 |
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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 |
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45 | columnHeaderCache = new Dictionary<string, Label>();
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46 | rowHeaderCache = new Dictionary<string, Label>();
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47 | bodyCache = new Dictionary<Tuple<string, string>, ItemView>();
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48 |
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49 | bodyScrollPanel.MouseWheel += bodyScrollPanel_MouseWheel;
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50 | }
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51 |
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52 | public new ScatterPlotContent Content {
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53 | get { return (ScatterPlotContent)base.Content; }
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54 | set { base.Content = value; }
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55 | }
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56 |
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57 | protected override void OnContentChanged() {
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58 | base.OnContentChanged();
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59 | if (Content != null) {
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60 | GenerateCharts();
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61 | }
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62 | }
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63 |
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64 | protected override void CheckedItemsChanged(object sender, CollectionItemsChangedEventArgs<IndexedItem<StringValue>> checkedItems) {
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65 | base.CheckedItemsChanged(sender, checkedItems);
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66 | foreach (var variable in checkedItems.Items.Select(i => i.Value.Value)) {
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67 | if (IsVariableChecked(variable))
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68 | AddChartToTable(variable);
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69 | else
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70 | RemoveChartFromTable(variable);
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71 | }
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72 | }
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73 |
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74 | private void AddChartToTable(string variable) {
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75 |
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76 | }
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77 | // remove from headers and body and shift remaining slots to fill the gap
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78 | private void RemoveChartFromTable(string variable) {
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79 | frameTableLayoutPanel.SuspendLayout();
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80 |
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81 | // remove column header
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82 | var colH = columnHeaderTableLayoutPanel;
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83 | int colIdx = colH.GetColumn(colH.Controls[variable]);
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84 | RemoveColumnHelper(colH, colIdx);
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85 |
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86 | // remove row header
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87 | var rowH = rowHeaderTableLayoutPanel;
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88 | int rowIdx = rowH.GetRow(rowH.Controls[variable]);
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89 | RemoveRowHelper(rowH, rowIdx);
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90 |
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91 | // remove from body
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92 | var body = bodyTableLayoutPanel;
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93 | RemoveColumnHelper(body, colIdx);
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94 | RemoveRowHelper(body, rowIdx);
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95 |
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96 | frameTableLayoutPanel.ResumeLayout(true);
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97 | }
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98 |
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99 | private void RemoveColumnHelper(TableLayoutPanel tlp, int idx) {
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100 | for (int r = 0; r < tlp.RowCount; r++)
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101 | tlp.Controls.Remove(tlp.GetControlFromPosition(idx, r));
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102 | for (int c = idx + 1; c < tlp.ColumnCount; c++) {
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103 | for (int r = 0; r < tlp.RowCount; r++) {
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104 | var control = tlp.GetControlFromPosition(c, r);
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105 | if (control != null) {
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106 | tlp.SetColumn(control, c - 1);
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107 | }
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108 | }
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109 | }
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110 | tlp.ColumnStyles.RemoveAt(tlp.ColumnCount - 1);
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111 | tlp.ColumnCount--;
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112 | }
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113 | private void RemoveRowHelper(TableLayoutPanel tlp, int idx) {
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114 | for (int c = 0; c < tlp.ColumnCount; c++)
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115 | tlp.Controls.Remove(tlp.GetControlFromPosition(c, idx));
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116 | for (int r = idx + 1; r < tlp.RowCount; r++) {
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117 | for (int c = 0; c < tlp.ColumnCount; c++) {
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118 | var control = tlp.GetControlFromPosition(c, r);
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119 | if (control != null) {
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120 | tlp.SetRow(control, r - 1);
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121 | }
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122 | }
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123 | }
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124 | tlp.RowStyles.RemoveAt(tlp.RowCount - 1);
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125 | tlp.RowCount--;
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126 | }
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127 |
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128 | #region Add/Remove/Update Variable, Reset
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129 | protected override void AddVariable(string name) {
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130 | base.AddVariable(name);
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131 | }
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132 |
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133 | protected override void RemoveVariable(string name) {
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134 | base.RemoveVariable(name);
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135 |
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136 | // clear caches
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137 | columnHeaderCache.Remove(name);
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138 | rowHeaderCache.Remove(name);
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139 | var keys = bodyCache.Keys.Where(t => t.Item1 == name || t.Item2 == name).ToList();
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140 | foreach (var key in keys)
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141 | bodyCache.Remove(key);
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142 |
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143 | if (IsVariableChecked(name)) {
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144 | RemoveChartFromTable(name);
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145 | }
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146 | }
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147 | protected override void UpdateVariable(string name) {
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148 | base.UpdateVariable(name);
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149 | }
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150 | protected override void ResetAllVariables() {
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151 | GenerateCharts();
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152 | }
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153 | #endregion
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154 |
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155 |
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156 | #region Creating Header and Body
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157 | private Label GetColumnHeader(string variable) {
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158 | if (!columnHeaderCache.ContainsKey(variable)) {
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159 | columnHeaderCache.Add(variable, new Label() {
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160 | Text = variable,
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161 | TextAlign = ContentAlignment.MiddleCenter,
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162 | Name = variable,
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163 | Height = columnHeaderTableLayoutPanel.Height,
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164 | Dock = DockStyle.Fill,
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165 | Margin = new Padding(3)
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166 | });
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167 | }
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168 | return columnHeaderCache[variable];
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169 | }
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170 | private Label GetRowHeader(string variable) {
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171 | if (!rowHeaderCache.ContainsKey(variable)) {
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172 | rowHeaderCache.Add(variable, new Label() {
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173 | Text = variable,
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174 | TextAlign = ContentAlignment.MiddleCenter,
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175 | Name = variable,
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176 | Width = rowHeaderTableLayoutPanel.Width,
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177 | Dock = DockStyle.Fill,
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178 | Margin = new Padding(3)
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179 | });
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180 | }
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181 | return rowHeaderCache[variable];
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182 | }
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183 | private ItemView GetBody(string colVariable, string rowVariable) {
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184 | var key = Tuple.Create(colVariable, rowVariable);
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185 | if (!bodyCache.ContainsKey(key)) {
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186 | if (rowVariable == colVariable) { // use historgram if x and y variable are equal
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187 | PreprocessingDataTable dataTable = new PreprocessingDataTable();
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188 | DataRow dataRow = Content.CreateDataRow(rowVariable, DataRowVisualProperties.DataRowChartType.Histogram);
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189 | dataTable.Rows.Add(dataRow);
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190 | PreprocessingDataTableView pcv = new PreprocessingDataTableView {
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191 | Name = key.ToString(),
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192 | Content = dataTable,
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193 | Dock = DockStyle.Fill,
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194 | ShowLegend = false,
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195 | XAxisFormat = "G3"
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196 | };
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197 | pcv.ChartDoubleClick += HistogramDoubleClick;
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198 | bodyCache.Add(key, pcv);
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199 | } else { //scatter plot
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200 | ScatterPlot scatterPlot = Content.CreateScatterPlot(colVariable, rowVariable);
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201 | PreprocessingScatterPlotView pspv = new PreprocessingScatterPlotView {
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202 | Name = key.ToString(),
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203 | Content = scatterPlot,
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204 | Dock = DockStyle.Fill,
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205 | ShowLegend = false,
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206 | XAxisFormat = "G3"
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207 | };
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208 | pspv.ChartDoubleClick += ScatterPlotDoubleClick;
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209 | bodyCache.Add(key, pspv);
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210 | }
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211 | }
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212 | return bodyCache[key];
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213 | }
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214 | #endregion
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215 |
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216 |
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217 |
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218 |
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219 | #region Generate Charts
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220 | private void GenerateCharts() {
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221 | var variables = GetCheckedVariables();
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222 |
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223 | // Clear old layouts and cache
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224 | foreach (var tableLayoutPanel in new[] { columnHeaderTableLayoutPanel, rowHeaderTableLayoutPanel, bodyTableLayoutPanel }) {
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225 | tableLayoutPanel.Controls.Clear();
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226 | tableLayoutPanel.ColumnStyles.Clear();
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227 | tableLayoutPanel.RowStyles.Clear();
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228 | }
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229 | columnHeaderCache.Clear();
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230 | rowHeaderCache.Clear();
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231 | bodyCache.Clear();
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232 |
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233 | // Set row and column count
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234 | columnHeaderTableLayoutPanel.ColumnCount = variables.Count;
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235 | rowHeaderTableLayoutPanel.RowCount = variables.Count;
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236 | bodyTableLayoutPanel.ColumnCount = variables.Count;
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237 | bodyTableLayoutPanel.RowCount = variables.Count;
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238 |
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239 | // Set column and row layout
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240 | int width = variables.Count <= MaxAutoSizeElements ? bodyTableLayoutPanel.Width / variables.Count : FixedChartWidth;
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241 | int height = variables.Count <= MaxAutoSizeElements ? bodyTableLayoutPanel.Height / variables.Count : FixedChartHeight;
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242 | for (int i = 0; i < variables.Count; i++) {
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243 | columnHeaderTableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, width));
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244 | rowHeaderTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, height));
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245 | bodyTableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, width));
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246 | bodyTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, height));
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247 | }
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248 |
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249 | frameTableLayoutPanel.SuspendLayout();
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250 | AddHeaderToTableLayoutPanels();
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251 | AddChartsToTableLayoutPanel();
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252 | UpdateHeaderMargin();
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253 | frameTableLayoutPanel.ResumeLayout(true);
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254 | }
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255 |
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256 | private void AddHeaderToTableLayoutPanels() {
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257 | int i = 0;
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258 | foreach (var variable in GetCheckedVariables()) {
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259 | columnHeaderTableLayoutPanel.Controls.Add(GetColumnHeader(variable), i, 0);
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260 | rowHeaderTableLayoutPanel.Controls.Add(GetRowHeader(variable), 0, i);
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261 | i++;
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262 | }
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263 | }
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264 | private void AddChartsToTableLayoutPanel() {
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265 | int c = 0;
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266 | foreach (var colVar in GetCheckedVariables()) {
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267 | if (!IsVariableChecked(colVar)) continue;
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268 | int r = 0;
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269 | foreach (var rowVar in GetCheckedVariables()) {
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270 | if (!IsVariableChecked(rowVar)) continue;
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271 | bodyTableLayoutPanel.Controls.Add(GetBody(colVar, rowVar), c, r);
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272 | r++;
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273 | }
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274 | c++;
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275 | }
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276 | }
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277 |
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278 | #endregion
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279 |
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280 | #region DoubleClick Events
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281 | //Open scatter plot in new tab with new content when double clicked
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282 | private void ScatterPlotDoubleClick(object sender, EventArgs e) {
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283 | PreprocessingScatterPlotView pspv = (PreprocessingScatterPlotView)sender;
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284 | ScatterPlotContent scatterContent = new ScatterPlotContent(Content, new Cloner()); // create new content
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285 | ScatterPlot scatterPlot = pspv.Content;
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286 |
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287 | //Extract variable names from scatter plot and set them in content
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288 | if (scatterPlot.Rows.Count == 1) {
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289 | string[] variables = scatterPlot.Rows.ElementAt(0).Name.Split(new string[] { " - " }, StringSplitOptions.None); // extract variable names from string
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290 | scatterContent.SelectedXVariable = variables[0];
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291 | scatterContent.SelectedYVariable = variables[1];
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292 | }
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293 |
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294 | MainFormManager.MainForm.ShowContent(scatterContent, typeof(ScatterPlotSingleView)); // open in new tab
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295 | }
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296 |
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297 | //open histogram in new tab with new content when double clicked
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298 | private void HistogramDoubleClick(object sender, EventArgs e) {
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299 | PreprocessingDataTableView pcv = (PreprocessingDataTableView)sender;
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300 | HistogramContent histoContent = new HistogramContent(Content.PreprocessingData); // create new content
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301 | histoContent.VariableItemList = Content.CreateVariableItemList();
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302 | PreprocessingDataTable dataTable = pcv.Content;
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303 |
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304 | //Set variable item list from with variable from data table
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305 | if (dataTable.Rows.Count == 1) { // only one data row should be in data table
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306 | string variableName = dataTable.Rows.ElementAt(0).Name;
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307 |
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308 | // set only variable name checked
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309 | foreach (var checkedItem in histoContent.VariableItemList) {
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310 | histoContent.VariableItemList.SetItemCheckedState(checkedItem, checkedItem.Value == variableName);
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311 | }
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312 | }
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313 | MainFormManager.MainForm.ShowContent(histoContent, typeof(HistogramView)); // open in new tab
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314 | }
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315 | #endregion
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316 |
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317 | private void bodyScrollPanel_Scroll(object sender, ScrollEventArgs e) {
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318 | SyncScroll();
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319 |
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320 | UpdateHeaderMargin();
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321 | }
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322 | private void bodyScrollPanel_MouseWheel(object sender, MouseEventArgs e) {
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323 | // Scrolling with the mouse wheel is not captured in the Scoll event
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324 | SyncScroll();
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325 | }
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326 | private void SyncScroll() {
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327 | //Debug.WriteLine("H: {0} <- {1}", columnHeaderScrollPanel.HorizontalScroll.Value, bodyScrollPanel.HorizontalScroll.Value);
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328 | //Debug.WriteLine("V: {0} <- {1}", rowScrollLayoutPanel.VerticalScroll.Value, bodyScrollPanel.VerticalScroll.Value);
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329 |
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330 | frameTableLayoutPanel.SuspendRepaint();
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331 |
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332 | columnHeaderScrollPanel.HorizontalScroll.Minimum = bodyScrollPanel.HorizontalScroll.Minimum;
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333 | columnHeaderScrollPanel.HorizontalScroll.Maximum = bodyScrollPanel.HorizontalScroll.Maximum;
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334 | rowHeaderScrollPanel.VerticalScroll.Minimum = bodyScrollPanel.VerticalScroll.Minimum;
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335 | rowHeaderScrollPanel.VerticalScroll.Maximum = bodyScrollPanel.VerticalScroll.Maximum;
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336 |
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337 | columnHeaderScrollPanel.HorizontalScroll.Value = Math.Max(bodyScrollPanel.HorizontalScroll.Value, 1);
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338 | rowHeaderScrollPanel.VerticalScroll.Value = Math.Max(bodyScrollPanel.VerticalScroll.Value, 1);
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339 | // minimum 1 is nececary because of two factors:
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340 | // - setting the Value-property of Horizontal/VerticalScroll updates the internal state but the Value-property stays 0
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341 | // - setting the same number of the Value-property has no effect
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342 | // 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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343 |
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344 | frameTableLayoutPanel.ResumeRepaint(true);
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345 | }
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346 |
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347 | // 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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348 | private void UpdateHeaderMargin() {
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349 | columnHeaderScrollPanel.Margin = new Padding(0, 0, bodyScrollPanel.VerticalScroll.Visible ? SystemInformation.VerticalScrollBarWidth : 0, 0);
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350 | rowHeaderScrollPanel.Margin = new Padding(0, 0, 0, bodyScrollPanel.HorizontalScroll.Visible ? SystemInformation.HorizontalScrollBarHeight : 0);
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351 | }
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352 | }
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353 | }
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