1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 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.Globalization;
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25 | using System.Linq;
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26 | using System.Windows.Forms;
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27 | using HeuristicLab.Core.Views;
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28 | using HeuristicLab.Problems.DataAnalysis;
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29 |
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30 | namespace HeuristicLab.Problems.Instances.DataAnalysis.Views {
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31 | public partial class DataAnalysisImportTypeDialog : Form {
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32 |
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33 | public static readonly List<KeyValuePair<DateTimeFormatInfo, string>> dateTimeFormats = new List<KeyValuePair<DateTimeFormatInfo, string>>{
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34 | new KeyValuePair<DateTimeFormatInfo, string>(DateTimeFormatInfo.GetInstance(new CultureInfo("de-DE")), "dd/mm/yyyy hh:MM:ss" ),
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35 | new KeyValuePair<DateTimeFormatInfo, string>(DateTimeFormatInfo.InvariantInfo, "mm/dd/yyyy hh:MM:ss" ),
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36 | new KeyValuePair<DateTimeFormatInfo, string>(DateTimeFormatInfo.InvariantInfo, "yyyy/mm/dd hh:MM:ss" ),
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37 | new KeyValuePair<DateTimeFormatInfo, string>(DateTimeFormatInfo.InvariantInfo, "mm/yyyy/dd hh:MM:ss" )
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38 | };
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39 |
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40 | public static readonly List<KeyValuePair<char, string>> POSSIBLE_SEPARATORS = new List<KeyValuePair<char, string>>{
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41 | new KeyValuePair<char, string>(',', ", (Comma)" ),
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42 | new KeyValuePair<char, string>(';', "; (Semicolon)" ),
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43 | new KeyValuePair<char, string>('\t', "\\t (Tab)")
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44 | };
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45 |
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46 | public static readonly List<KeyValuePair<NumberFormatInfo, string>> POSSIBLE_DECIMAL_SEPARATORS = new List<KeyValuePair<NumberFormatInfo, string>>{
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47 | new KeyValuePair<NumberFormatInfo, string>(NumberFormatInfo.InvariantInfo, ". (Period)" ),
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48 | new KeyValuePair<NumberFormatInfo, string>(NumberFormatInfo.GetInstance(new CultureInfo("de-DE")), ", (Comma)" )
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49 | };
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50 |
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51 | public string Path {
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52 | get { return ProblemTextBox.Text; }
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53 | }
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54 |
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55 | public DataAnalysisImportType ImportType {
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56 | get {
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57 | return new DataAnalysisImportType() {
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58 | Shuffle = ShuffleDataCheckbox.Checked,
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59 | TrainingPercentage = TrainingTestTrackBar.Value
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60 | };
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61 | }
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62 | }
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63 |
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64 | public DataAnalysisCSVFormat CSVFormat {
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65 | get {
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66 | return new DataAnalysisCSVFormat() {
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67 | Separator = (char)SeparatorComboBox.SelectedValue,
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68 | NumberFormatInfo = (NumberFormatInfo)DecimalSeparatorComboBox.SelectedValue,
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69 | DateTimeFormatInfo = (DateTimeFormatInfo)DateTimeFormatComboBox.SelectedValue
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70 | };
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71 | }
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72 | }
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73 |
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74 | public DataAnalysisImportTypeDialog() {
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75 | InitializeComponent();
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76 |
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77 | SeparatorComboBox.DataSource = POSSIBLE_SEPARATORS;
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78 | SeparatorComboBox.ValueMember = "Key";
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79 | SeparatorComboBox.DisplayMember = "Value";
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80 | DecimalSeparatorComboBox.DataSource = POSSIBLE_DECIMAL_SEPARATORS;
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81 | DecimalSeparatorComboBox.ValueMember = "Key";
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82 | DecimalSeparatorComboBox.DisplayMember = "Value";
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83 | DateTimeFormatComboBox.DataSource = dateTimeFormats;
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84 | DateTimeFormatComboBox.ValueMember = "Key";
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85 | DateTimeFormatComboBox.DisplayMember = "Value";
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86 | }
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87 |
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88 | private void TrainingTestTrackBar_ValueChanged(object sender, System.EventArgs e) {
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89 | TrainingLabel.Text = "Training: " + TrainingTestTrackBar.Value + " %";
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90 | TestLabel.Text = "Test: " + (TrainingTestTrackBar.Maximum - TrainingTestTrackBar.Value) + " %";
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91 | }
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92 |
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93 | protected virtual void OpenFileButtonClick(object sender, System.EventArgs e) {
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94 | if (openFileDialog.ShowDialog(this) != DialogResult.OK) return;
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95 |
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96 | ProblemTextBox.Text = openFileDialog.FileName;
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97 | ParseCSVFile();
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98 | }
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99 |
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100 | protected virtual void CSVFormatComboBoxSelectionChangeCommitted(object sender, EventArgs e) {
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101 | if (string.IsNullOrEmpty(ProblemTextBox.Text)) return;
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102 |
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103 | ParseCSVFile();
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104 | }
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105 |
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106 | protected void ParseCSVFile() {
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107 | PreviewDatasetMatrix.Content = null;
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108 | try {
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109 | TableFileParser csvParser = new TableFileParser();
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110 | csvParser.Parse(ProblemTextBox.Text,
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111 | (NumberFormatInfo)DecimalSeparatorComboBox.SelectedValue,
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112 | (DateTimeFormatInfo)DateTimeFormatComboBox.SelectedValue,
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113 | (char)SeparatorComboBox.SelectedValue);
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114 | IEnumerable<string> variableNamesWithType = GetVariableNamesWithType(csvParser);
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115 | PreviewDatasetMatrix.Content = new Dataset(variableNamesWithType, csvParser.Values);
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116 |
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117 | CheckAdditionalConstraints(csvParser);
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118 |
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119 | ErrorTextBox.Text = String.Empty;
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120 | ErrorTextBox.Visible = false;
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121 | OkButton.Enabled = true;
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122 | }
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123 | catch (Exception ex) {
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124 | OkButton.Enabled = false;
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125 | ErrorTextBox.Text = ex.Message;
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126 | ErrorTextBox.Visible = true;
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127 | }
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128 | }
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129 |
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130 | protected virtual void CheckAdditionalConstraints(TableFileParser csvParser) {
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131 | if (!csvParser.Values.Any(x => x is List<double>)) {
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132 | throw new ArgumentException("No double column could be found!");
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133 | }
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134 | }
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135 |
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136 | private IEnumerable<string> GetVariableNamesWithType(TableFileParser csvParser) {
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137 | IList<string> variableNamesWithType = csvParser.VariableNames.ToList();
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138 | for (int i = 0; i < csvParser.Values.Count; i++) {
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139 | if (csvParser.Values[i] is List<double>) {
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140 | variableNamesWithType[i] += " (Double)";
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141 | } else if (csvParser.Values[i] is List<string>) {
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142 | variableNamesWithType[i] += " (String)";
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143 | } else if (csvParser.Values[i] is List<DateTime>) {
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144 | variableNamesWithType[i] += " (DateTime)";
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145 | } else {
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146 | throw new ArgumentException("The variable values must be of type List<double>, List<string> or List<DateTime>");
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147 | }
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148 | }
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149 | return variableNamesWithType;
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150 | }
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151 |
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152 | protected void ControlToolTip_DoubleClick(object sender, EventArgs e) {
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153 | Control control = sender as Control;
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154 | if (control != null) {
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155 | using (TextDialog dialog = new TextDialog(control.Name, (string)control.Tag, true)) {
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156 | dialog.ShowDialog(this);
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157 | }
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158 | }
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159 | }
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160 | }
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161 | }
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