[8598] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[12012] | 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[8598] | 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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[8877] | 22 | using System;
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| 23 | using System.Collections.Generic;
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| 24 | using System.Globalization;
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[9449] | 25 | using System.IO;
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[8877] | 26 | using System.Linq;
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[13584] | 27 | using System.Text;
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[8598] | 28 | using System.Windows.Forms;
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[8877] | 29 | using HeuristicLab.Core.Views;
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| 30 | using HeuristicLab.Problems.DataAnalysis;
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[8598] | 31 |
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| 32 | namespace HeuristicLab.Problems.Instances.DataAnalysis.Views {
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| 33 | public partial class DataAnalysisImportTypeDialog : Form {
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| 34 |
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[13584] | 35 | private static readonly List<KeyValuePair<DateTimeFormatInfo, string>> dateTimeFormats =
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| 36 | new List<KeyValuePair<DateTimeFormatInfo, string>>{
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| 37 | new KeyValuePair<DateTimeFormatInfo, string>(DateTimeFormatInfo.GetInstance(new CultureInfo("de-DE")), "dd/mm/yyyy hh:MM:ss" ),
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| 38 | new KeyValuePair<DateTimeFormatInfo, string>(DateTimeFormatInfo.InvariantInfo, "mm/dd/yyyy hh:MM:ss" ),
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| 39 | new KeyValuePair<DateTimeFormatInfo, string>(DateTimeFormatInfo.InvariantInfo, "yyyy/mm/dd hh:MM:ss" ),
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| 40 | new KeyValuePair<DateTimeFormatInfo, string>(DateTimeFormatInfo.InvariantInfo, "mm/yyyy/dd hh:MM:ss" )
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[8877] | 41 | };
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| 42 |
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[13584] | 43 | private static readonly List<KeyValuePair<char, string>> POSSIBLE_SEPARATORS =
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| 44 | new List<KeyValuePair<char, string>>{
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| 45 | new KeyValuePair<char, string>(';', "; (Semicolon)" ),
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| 46 | new KeyValuePair<char, string>(',', ", (Comma)" ),
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| 47 | new KeyValuePair<char, string>('\t', "\\t (Tab)"),
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| 48 | new KeyValuePair<char, string>((char)0, "all whitespaces (including tabs and spaces)")
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[8877] | 49 | };
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| 50 |
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[13584] | 51 | private static readonly List<KeyValuePair<NumberFormatInfo, string>> POSSIBLE_DECIMAL_SEPARATORS =
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| 52 | new List<KeyValuePair<NumberFormatInfo, string>>{
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| 53 | new KeyValuePair<NumberFormatInfo, string>(NumberFormatInfo.GetInstance(new CultureInfo("de-DE")), ", (Comma)"),
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| 54 | new KeyValuePair<NumberFormatInfo, string>(NumberFormatInfo.InvariantInfo, ". (Period)" )
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[8877] | 55 | };
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| 56 |
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[13584] | 57 | private static readonly List<KeyValuePair<Encoding, string>> POSSIBLE_ENCODINGS =
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| 58 | new List<KeyValuePair<Encoding, string>> {
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| 59 | new KeyValuePair<Encoding, string>(Encoding.Default, "Default"),
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| 60 | new KeyValuePair<Encoding, string>(Encoding.ASCII, "ASCII"),
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| 61 | new KeyValuePair<Encoding, string>(Encoding.Unicode, "Unicode"),
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| 62 | new KeyValuePair<Encoding, string>(Encoding.UTF8, "UTF8")
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| 63 | };
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| 64 |
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[8693] | 65 | public string Path {
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| 66 | get { return ProblemTextBox.Text; }
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| 67 | }
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| 68 |
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[8599] | 69 | public DataAnalysisImportType ImportType {
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| 70 | get {
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| 71 | return new DataAnalysisImportType() {
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[8693] | 72 | Shuffle = ShuffleDataCheckbox.Checked,
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[9021] | 73 | TrainingPercentage = TrainingTestTrackBar.Value
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[8599] | 74 | };
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| 75 | }
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| 76 | }
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[8598] | 77 |
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[8877] | 78 | public DataAnalysisCSVFormat CSVFormat {
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| 79 | get {
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| 80 | return new DataAnalysisCSVFormat() {
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| 81 | Separator = (char)SeparatorComboBox.SelectedValue,
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| 82 | NumberFormatInfo = (NumberFormatInfo)DecimalSeparatorComboBox.SelectedValue,
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[9608] | 83 | DateTimeFormatInfo = (DateTimeFormatInfo)DateTimeFormatComboBox.SelectedValue,
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| 84 | VariableNamesAvailable = CheckboxColumnNames.Checked
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[8877] | 85 | };
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| 86 | }
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| 87 | }
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| 88 |
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[8598] | 89 | public DataAnalysisImportTypeDialog() {
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| 90 | InitializeComponent();
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[8877] | 91 |
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| 92 | SeparatorComboBox.DataSource = POSSIBLE_SEPARATORS;
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| 93 | SeparatorComboBox.ValueMember = "Key";
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| 94 | SeparatorComboBox.DisplayMember = "Value";
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| 95 | DecimalSeparatorComboBox.DataSource = POSSIBLE_DECIMAL_SEPARATORS;
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| 96 | DecimalSeparatorComboBox.ValueMember = "Key";
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| 97 | DecimalSeparatorComboBox.DisplayMember = "Value";
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| 98 | DateTimeFormatComboBox.DataSource = dateTimeFormats;
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| 99 | DateTimeFormatComboBox.ValueMember = "Key";
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| 100 | DateTimeFormatComboBox.DisplayMember = "Value";
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[13584] | 101 | EncodingComboBox.DataSource = POSSIBLE_ENCODINGS;
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| 102 | EncodingComboBox.ValueMember = "Key";
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| 103 | EncodingComboBox.DisplayMember = "Value";
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| 104 |
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[8598] | 105 | }
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[8599] | 106 |
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| 107 | private void TrainingTestTrackBar_ValueChanged(object sender, System.EventArgs e) {
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| 108 | TrainingLabel.Text = "Training: " + TrainingTestTrackBar.Value + " %";
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| 109 | TestLabel.Text = "Test: " + (TrainingTestTrackBar.Maximum - TrainingTestTrackBar.Value) + " %";
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| 110 | }
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[8693] | 111 |
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[8877] | 112 | protected virtual void OpenFileButtonClick(object sender, System.EventArgs e) {
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| 113 | if (openFileDialog.ShowDialog(this) != DialogResult.OK) return;
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| 114 |
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[9449] | 115 | SeparatorComboBox.Enabled = true;
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| 116 | DecimalSeparatorComboBox.Enabled = true;
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| 117 | DateTimeFormatComboBox.Enabled = true;
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[13584] | 118 | EncodingComboBox.Enabled = true;
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[8877] | 119 | ProblemTextBox.Text = openFileDialog.FileName;
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[9608] | 120 | TableFileParser csvParser = new TableFileParser();
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| 121 | CheckboxColumnNames.Checked = csvParser.AreColumnNamesInFirstLine(ProblemTextBox.Text,
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| 122 | (NumberFormatInfo)DecimalSeparatorComboBox.SelectedValue,
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| 123 | (DateTimeFormatInfo)DateTimeFormatComboBox.SelectedValue,
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| 124 | (char)SeparatorComboBox.SelectedValue);
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[8877] | 125 | ParseCSVFile();
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| 126 | }
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| 127 |
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| 128 | protected virtual void CSVFormatComboBoxSelectionChangeCommitted(object sender, EventArgs e) {
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| 129 | if (string.IsNullOrEmpty(ProblemTextBox.Text)) return;
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| 130 |
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| 131 | ParseCSVFile();
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| 132 | }
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| 133 |
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[9608] | 134 | protected virtual void CheckboxColumnNames_CheckedChanged(object sender, EventArgs e) {
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| 135 | if (string.IsNullOrEmpty(ProblemTextBox.Text)) return;
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| 136 |
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| 137 | ParseCSVFile();
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| 138 | }
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| 139 |
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[8877] | 140 | protected void ParseCSVFile() {
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| 141 | PreviewDatasetMatrix.Content = null;
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| 142 | try {
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| 143 | TableFileParser csvParser = new TableFileParser();
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[13584] | 144 | csvParser.Encoding = (Encoding)EncodingComboBox.SelectedValue;
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[8877] | 145 | csvParser.Parse(ProblemTextBox.Text,
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| 146 | (NumberFormatInfo)DecimalSeparatorComboBox.SelectedValue,
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| 147 | (DateTimeFormatInfo)DateTimeFormatComboBox.SelectedValue,
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[9608] | 148 | (char)SeparatorComboBox.SelectedValue,
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[13413] | 149 | CheckboxColumnNames.Checked, lineLimit: 500);
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[8877] | 150 | IEnumerable<string> variableNamesWithType = GetVariableNamesWithType(csvParser);
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| 151 | PreviewDatasetMatrix.Content = new Dataset(variableNamesWithType, csvParser.Values);
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| 152 |
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| 153 | CheckAdditionalConstraints(csvParser);
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| 154 |
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| 155 | ErrorTextBox.Text = String.Empty;
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| 156 | ErrorTextBox.Visible = false;
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[8693] | 157 | OkButton.Enabled = true;
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| 158 | }
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[8877] | 159 | catch (Exception ex) {
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[9449] | 160 | if (ex is IOException || ex is InvalidOperationException || ex is ArgumentException || ex is TableFileParser.DataFormatException) {
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| 161 | OkButton.Enabled = false;
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| 162 | ErrorTextBox.Text = ex.Message;
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| 163 | ErrorTextBox.Visible = true;
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| 164 | } else {
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| 165 | throw;
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| 166 | }
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[8877] | 167 | }
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[8693] | 168 | }
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[8877] | 169 |
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| 170 | protected virtual void CheckAdditionalConstraints(TableFileParser csvParser) {
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| 171 | if (!csvParser.Values.Any(x => x is List<double>)) {
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| 172 | throw new ArgumentException("No double column could be found!");
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| 173 | }
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| 174 | }
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| 175 |
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| 176 | private IEnumerable<string> GetVariableNamesWithType(TableFileParser csvParser) {
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| 177 | IList<string> variableNamesWithType = csvParser.VariableNames.ToList();
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| 178 | for (int i = 0; i < csvParser.Values.Count; i++) {
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| 179 | if (csvParser.Values[i] is List<double>) {
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| 180 | variableNamesWithType[i] += " (Double)";
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| 181 | } else if (csvParser.Values[i] is List<string>) {
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| 182 | variableNamesWithType[i] += " (String)";
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| 183 | } else if (csvParser.Values[i] is List<DateTime>) {
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| 184 | variableNamesWithType[i] += " (DateTime)";
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| 185 | } else {
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| 186 | throw new ArgumentException("The variable values must be of type List<double>, List<string> or List<DateTime>");
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| 187 | }
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| 188 | }
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| 189 | return variableNamesWithType;
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| 190 | }
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| 191 |
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| 192 | protected void ControlToolTip_DoubleClick(object sender, EventArgs e) {
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| 193 | Control control = sender as Control;
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| 194 | if (control != null) {
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| 195 | using (TextDialog dialog = new TextDialog(control.Name, (string)control.Tag, true)) {
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| 196 | dialog.ShowDialog(this);
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| 197 | }
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| 198 | }
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| 199 | }
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[8598] | 200 | }
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| 201 | }
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