1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections.Generic;
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24 | using System.Windows.Forms;
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25 | using HeuristicLab.Analysis;
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26 | using HeuristicLab.Analysis.Views;
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27 | using HeuristicLab.Collections;
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28 | using HeuristicLab.Core;
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29 | using HeuristicLab.Core.Views;
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30 | using HeuristicLab.Data;
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31 | using HeuristicLab.DataPreprocessing.Implementations;
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32 | using HeuristicLab.MainForm;
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33 |
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34 | namespace HeuristicLab.DataPreprocessing.Views {
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35 |
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36 | [View("Preprocessing Chart View")]
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37 | [Content(typeof(PreprocessingChartContent), false)]
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38 | public partial class PreprocessingChartView : ItemView {
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39 |
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40 | private PreprocessingDataTable dataTable;
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41 | private List<PreprocessingDataTable> dataTablePerVariable;
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42 | private List<DataRow> dataRows;
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43 | private List<DataRow> selectedDataRows;
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44 |
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45 | protected DataRowVisualProperties.DataRowChartType chartType;
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46 | protected string chartTitle;
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47 | protected IChartLogic logic;
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48 |
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49 | private const string DEFAULT_CHART_TITLE = "Chart";
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50 | private const int FIXED_CHART_SIZE = 300;
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51 | private const int MAX_TABLE_ROWS = 3;
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52 |
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53 | public IEnumerable<double> Classification { get; set; }
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54 |
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55 | public PreprocessingChartView() {
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56 | InitializeComponent();
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57 | chartType = DataRowVisualProperties.DataRowChartType.Line;
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58 | chartTitle = DEFAULT_CHART_TITLE;
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59 | }
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60 |
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61 | //Variable selection changed
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62 | //Add or remove data row
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63 | private void CheckedItemsChanged(object sender, CollectionItemsChangedEventArgs<IndexedItem<StringValue>> checkedItems) {
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64 | foreach (IndexedItem<StringValue> item in checkedItems.Items) {
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65 | string variableName = item.Value.Value;
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66 |
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67 | //variable is displayed -> remove
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68 | if (VariableIsDisplayed(variableName)) {
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69 | dataTable.Rows.Remove(variableName);
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70 | dataTable.SelectedRows.Remove(variableName);
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71 | dataTablePerVariable.Remove(dataTablePerVariable.Find(x => (x.Name == variableName)));
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72 | //variable isnt't displayed -> add
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73 | } else {
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74 | DataRow row = GetDataRow(variableName);
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75 | DataRow selectedRow = GetSelectedDataRow(variableName);
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76 | dataTable.Rows.Add(row);
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77 |
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78 | PreprocessingDataTable pdt = new PreprocessingDataTable(variableName);
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79 | pdt.Rows.Add(row);
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80 | dataTablePerVariable.Add(pdt);
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81 |
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82 | //update selection
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83 | if (selectedRow != null)
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84 | {
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85 | dataTable.SelectedRows.Add(selectedRow);
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86 | pdt.SelectedRows.Add(selectedRow);
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87 | }
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88 | }
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89 | }
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90 |
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91 | // update chart if not in all in one mode
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92 | if (Content != null && !Content.AllInOneMode)
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93 | GenerateChart();
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94 |
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95 | }
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96 |
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97 | private bool VariableIsDisplayed(string name) {
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98 |
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99 | foreach (var item in dataTable.Rows) {
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100 | if (item.Name == name)
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101 | return true;
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102 | }
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103 | return false;
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104 | }
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105 |
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106 | protected override void RegisterContentEvents() {
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107 | base.RegisterContentEvents();
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108 | Content.ChartLogic.Changed += PreprocessingData_Changed;
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109 | Content.ChartLogic.SelectionChanged += PreprocessingData_SelctionChanged;
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110 |
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111 | }
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112 |
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113 | protected override void DeregisterContentEvents() {
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114 | base.DeregisterContentEvents();
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115 | Content.ChartLogic.Changed -= PreprocessingData_Changed;
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116 | Content.ChartLogic.SelectionChanged -= PreprocessingData_SelctionChanged;
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117 | }
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118 |
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119 | public new PreprocessingChartContent Content {
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120 | get { return (PreprocessingChartContent)base.Content; }
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121 | set { base.Content = value; }
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122 | }
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123 |
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124 | private void InitData() {
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125 | if (Content.VariableItemList == null)
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126 | {
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127 | Content.VariableItemList = logic.CreateVariableItemList();
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128 | }
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129 | checkedItemList.Content = Content.VariableItemList;
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130 |
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131 | //Create data tables and data rows
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132 | dataRows = logic.CreateAllDataRows(chartType);
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133 | dataTable = new PreprocessingDataTable(chartTitle);
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134 | dataTablePerVariable = new List<PreprocessingDataTable>();
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135 |
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136 | //add data rows to data tables according to checked item list
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137 | foreach (var checkedItem in Content.VariableItemList.CheckedItems)
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138 | {
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139 | string variableName = Content.VariableItemList[checkedItem.Index].Value;
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140 | PreprocessingDataTable d = new PreprocessingDataTable(variableName);
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141 | DataRow row = GetDataRow(variableName);
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142 |
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143 | //add row to data table
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144 | dataTable.Rows.Add(row);
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145 |
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146 | //add row to data table per variable
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147 | d.Rows.Add(row);
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148 | dataTablePerVariable.Add(d);
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149 | }
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150 |
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151 | UpdateSelection();
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152 | }
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153 |
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154 | private void UpdateSelection() {
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155 |
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156 | //update data table selection
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157 | selectedDataRows = logic.CreateAllSelectedDataRows(chartType);
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158 | dataTable.SelectedRows.Clear();
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159 | dataTable.SelectedRows.AddRange(selectedDataRows);
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160 |
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161 | //update data table per variable selection
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162 | foreach (PreprocessingDataTable d in dataTablePerVariable) {
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163 | d.SelectedRows.Clear();
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164 | DataRow row = selectedDataRows.Find(x => x.Name == d.Name);
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165 | if (row != null)
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166 | d.SelectedRows.Add(row);
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167 | }
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168 |
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169 | }
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170 |
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171 | private DataRow GetSelectedDataRow(string variableName) {
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172 | foreach (DataRow row in selectedDataRows) {
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173 | if (row.Name == variableName)
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174 | return row;
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175 | }
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176 | return null;
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177 | }
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178 |
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179 | private DataRow GetDataRow(string variableName) {
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180 | foreach (DataRow row in dataRows) {
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181 | if (row.Name == variableName)
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182 | return row;
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183 | }
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184 | return null;
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185 | }
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186 |
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187 | protected override void OnContentChanged() {
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188 | base.OnContentChanged();
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189 | if (Content != null) {
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190 | logic = Content.ChartLogic;
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191 | InitData();
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192 | Content.VariableItemList.CheckedItemsChanged += CheckedItemsChanged;
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193 | GenerateChart();
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194 | }
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195 | }
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196 |
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197 | // TODO : handle also other changed events
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198 | void PreprocessingData_Changed(object sender, DataPreprocessingChangedEventArgs e) {
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199 | switch (e.Type) {
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200 | case DataPreprocessingChangedEventType.DeleteColumn:
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201 | RemoveVariable(logic.GetVariableNameByIndex(e.Column));
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202 | break;
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203 | case DataPreprocessingChangedEventType.AddColumn:
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204 | AddVariable(logic.GetVariableNameByIndex(e.Column));
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205 | break;
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206 | case DataPreprocessingChangedEventType.ChangeColumn:
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207 | case DataPreprocessingChangedEventType.ChangeItem:
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208 | UpdateDataForVariable(logic.GetVariableNameByIndex(e.Column));
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209 | break;
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210 | case DataPreprocessingChangedEventType.DeleteRow:
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211 | case DataPreprocessingChangedEventType.AddRow:
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212 | case DataPreprocessingChangedEventType.Any:
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213 | default:
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214 | //TODO: test with transform
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215 | InitData();
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216 | GenerateChart();
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217 | break;
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218 | }
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219 | }
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220 |
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221 | private void PreprocessingData_SelctionChanged(object sender, EventArgs e) {
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222 | UpdateSelection();
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223 | }
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224 |
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225 | private void UpdateDataForVariable(string variableName) {
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226 | DataRow newRow = logic.CreateDataRow(variableName, chartType);
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227 | dataTable.Rows.Remove(variableName);
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228 | dataTable.Rows.Add(newRow);
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229 | DataTable dt = dataTablePerVariable.Find(x => x.Rows.Find(y => y.Name == variableName) != null);
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230 | if (dt != null) {
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231 | dt.Rows.Remove(variableName);
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232 | dt.Rows.Add(newRow);
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233 | }
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234 | }
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235 |
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236 | // add variable to data table and item list
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237 | private void AddVariable(string name) {
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238 | DataRow row = logic.CreateDataRow(name, chartType);
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239 | dataTable.Rows.Add(row);
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240 | PreprocessingDataTable d = new PreprocessingDataTable(name);
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241 | d.Rows.Add(row);
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242 | dataTablePerVariable.Add(d);
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243 | Content.VariableItemList.Add(new StringValue(name));
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244 | if (!Content.AllInOneMode)
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245 | GenerateChart();
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246 | }
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247 |
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248 | // remove variable from data table and item list
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249 | private void RemoveVariable(string name) {
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250 | dataTable.Rows.Remove(name);
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251 | dataTablePerVariable.Remove(dataTablePerVariable.Find(x => (x.Name == name)));
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252 |
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253 | StringValue stringValue = FindVariableItemList(name);
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254 | if (stringValue != null)
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255 | Content.VariableItemList.Remove(stringValue);
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256 | if (!Content.AllInOneMode)
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257 | GenerateChart();
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258 | }
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259 |
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260 | private StringValue FindVariableItemList(string name) {
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261 | foreach (StringValue stringValue in Content.VariableItemList)
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262 | {
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263 | if (stringValue.Value == name)
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264 | return stringValue;
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265 | }
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266 | return null;
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267 | }
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268 |
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269 | protected void GenerateChart() {
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270 |
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271 | ClearTableLayout();
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272 | if (Content.AllInOneMode)
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273 | {
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274 | GenerateSingleChartLayout();
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275 | } else
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276 | GenerateMultiChartLayout();
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277 | }
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278 |
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279 | private void ClearTableLayout() {
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280 | //Clear out the existing controls
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281 | tableLayoutPanel.Controls.Clear();
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282 |
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283 | //Clear out the existing row and column styles
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284 | tableLayoutPanel.ColumnStyles.Clear();
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285 | tableLayoutPanel.RowStyles.Clear();
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286 | tableLayoutPanel.AutoScroll = false;
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287 | tableLayoutPanel.AutoScroll = true;
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288 | }
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289 |
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290 | private void GenerateSingleChartLayout() {
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291 | tableLayoutPanel.ColumnCount = 1;
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292 | tableLayoutPanel.RowCount = 1;
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293 | tableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 100));
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294 | tableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Percent, 100));
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295 | tableLayoutPanel.Controls.Add(dataTableView, 0, 0);
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296 | dataTableView.Content = dataTable;
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297 | }
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298 |
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299 | private int GetNrOfMultiChartColumns(int itemCount) {
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300 | int columns = 0;
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301 | if (itemCount <= 2)
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302 | columns = 1;
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303 | else if (itemCount <= 6)
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304 | columns = 2;
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305 | else
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306 | columns = 3;
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307 | return columns;
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308 | }
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309 |
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310 | private int GetNrOfMultiChartRows(int itemCount, int columns) {
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311 | int rows = 0;
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312 | if (columns == 3)
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313 | rows = (itemCount + 2) / columns;
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314 | else if (columns == 2)
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315 | rows = (itemCount + 1) / columns;
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316 | else
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317 | rows = itemCount / columns;
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318 | return rows;
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319 | }
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320 |
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321 |
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322 | private void GenerateMultiChartLayout() {
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323 | int checkedItemsCnt = 0;
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324 | foreach (var item in Content.VariableItemList.CheckedItems)
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325 | checkedItemsCnt++;
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326 |
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327 | // set columns and rows based on number of items
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328 | int columns = GetNrOfMultiChartColumns(checkedItemsCnt);
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329 | int rows = GetNrOfMultiChartRows(checkedItemsCnt, columns);
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330 |
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331 | tableLayoutPanel.ColumnCount = columns;
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332 | tableLayoutPanel.RowCount = rows;
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333 |
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334 | List<PreprocessingDataTable>.Enumerator enumerator = dataTablePerVariable.GetEnumerator();
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335 | for (int x = 0; x < columns; x++) {
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336 |
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337 | if (rows <= MAX_TABLE_ROWS)
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338 | tableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 100 / columns));
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339 | else
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340 | //scrollbar is shown if there are more than 3 rows -> remove scroll bar width from total width
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341 | tableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, (tableLayoutPanel.Width - System.Windows.Forms.SystemInformation.VerticalScrollBarWidth) / columns));
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342 | for (int y = 0; y < rows; y++) {
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343 | //Add a row only when creating the first column
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344 | if (x == 0) {
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345 | // fixed chart size when there are more than 3 tables
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346 | if (rows > MAX_TABLE_ROWS)
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347 | tableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, FIXED_CHART_SIZE));
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348 | else
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349 | tableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.Percent, 100 / rows));
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350 | }
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351 |
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352 | enumerator.MoveNext();
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353 | PreprocessingDataTable d = enumerator.Current;
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354 | AddDataTableToTableLayout(d, x, y);
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355 |
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356 | }
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357 | }
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358 | }
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359 |
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360 | private void AddDataTableToTableLayout(PreprocessingDataTable dataTable, int x, int y) {
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361 | PreprocessingDataTableView dataView = new PreprocessingDataTableView();
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362 | dataView.Classification = Classification;
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363 |
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364 | if (dataTable == null) {
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365 | // dummy panel for empty field
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366 | Panel p = new Panel();
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367 | p.Dock = DockStyle.Fill;
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368 | tableLayoutPanel.Controls.Add(p, y, x);
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369 | } else {
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370 | dataView.Content = dataTable;
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371 | dataView.Dock = DockStyle.Fill;
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372 | tableLayoutPanel.Controls.Add(dataView, y, x);
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373 | }
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374 | }
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375 |
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376 | //Remove horizontal scroll bar if visible
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377 | private void tableLayoutPanel_Layout(object sender, LayoutEventArgs e) {
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378 | if (tableLayoutPanel.HorizontalScroll.Visible) {
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379 | // Add padding on the right in order to accomodate the vertical scrollbar
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380 | int vWidth = SystemInformation.VerticalScrollBarWidth;
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381 | tableLayoutPanel.Padding = new Padding(0, 0, vWidth, 0);
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382 | } else {
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383 | // Reset padding
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384 | tableLayoutPanel.Padding = new Padding(0);
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385 | }
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386 | }
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387 |
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388 | }
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389 | }
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390 |
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391 |
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