[2] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2008 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.ComponentModel;
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| 25 | using System.Drawing;
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| 26 | using System.Data;
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| 27 | using System.Text;
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| 28 | using System.Windows.Forms;
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| 29 | using HeuristicLab.Core;
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| 30 | using HeuristicLab.Data;
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| 31 | using HeuristicLab.Operators;
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| 32 | using HeuristicLab.DataAnalysis;
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| 33 |
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| 34 | namespace HeuristicLab.StructureIdentification {
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| 35 | public partial class StructIdProblemInjectorView : ViewBase {
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| 36 | public StructIdProblemInjector StructIdProblemInjector {
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| 37 | get { return (StructIdProblemInjector)Item; }
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| 38 | set { base.Item = value; }
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| 39 | }
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| 40 |
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[495] | 41 | public StructIdProblemInjectorView()
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| 42 | : base() {
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[2] | 43 | InitializeComponent();
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| 44 | }
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| 45 | public StructIdProblemInjectorView(StructIdProblemInjector structIdProblemInjector)
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| 46 | : this() {
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| 47 | StructIdProblemInjector = structIdProblemInjector;
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[366] | 48 | variablesView.Operator = structIdProblemInjector;
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| 49 | variablesView.Update();
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[2] | 50 | }
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| 51 |
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| 52 | protected override void RemoveItemEvents() {
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| 53 | operatorBaseVariableInfosView.Operator = null;
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| 54 | operatorBaseDescriptionView.Operator = null;
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| 55 | base.RemoveItemEvents();
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| 56 | }
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| 57 | protected override void AddItemEvents() {
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| 58 | base.AddItemEvents();
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| 59 | operatorBaseVariableInfosView.Operator = StructIdProblemInjector;
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| 60 | operatorBaseDescriptionView.Operator = StructIdProblemInjector;
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| 61 | }
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| 62 |
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| 63 | protected override void UpdateControls() {
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| 64 | base.UpdateControls();
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[495] | 65 | if(StructIdProblemInjector == null) {
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[2] | 66 | importInstanceButton.Enabled = false;
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| 67 | } else {
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| 68 | Dataset dataset = (Dataset)StructIdProblemInjector.GetVariable("Dataset").Value;
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[168] | 69 | datasetView.Dataset = dataset;
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[2] | 70 | importInstanceButton.Enabled = true;
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| 71 | }
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| 72 | }
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| 73 |
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| 74 | private void importInstanceButton_Click(object sender, EventArgs e) {
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[495] | 75 | if(openFileDialog.ShowDialog(this) == DialogResult.OK) {
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[2] | 76 | DatasetParser parser = new DatasetParser();
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| 77 | bool success = false;
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| 78 | try {
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[273] | 79 | try {
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| 80 | parser.Import(openFileDialog.FileName, true);
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| 81 | success = true;
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[274] | 82 | } catch(DataFormatException ex) {
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| 83 | ShowWarningMessageBox(ex);
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[404] | 84 | // not possible to parse strictly => clear and try to parse non-strict
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| 85 | parser.Reset();
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[273] | 86 | parser.Import(openFileDialog.FileName, false);
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| 87 | success = true;
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| 88 | }
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| 89 | } catch(DataFormatException ex) {
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| 90 | // if the non-strict parsing also failed then show the exception
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| 91 | ShowErrorMessageBox(ex);
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[2] | 92 | }
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[495] | 93 | if(success) {
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[2] | 94 | Dataset dataset = (Dataset)StructIdProblemInjector.GetVariable("Dataset").Value;
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[363] | 95 | dataset.Rows = parser.Rows;
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[2] | 96 | dataset.Columns = parser.Columns;
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| 97 | dataset.VariableNames = parser.VariableNames;
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| 98 | dataset.Name = parser.ProblemName;
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[131] | 99 | dataset.Samples = new double[dataset.Rows * dataset.Columns];
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| 100 | Array.Copy(parser.Samples, dataset.Samples, dataset.Columns * dataset.Rows);
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[495] | 101 | TrySetVariable("TrainingSamplesStart", parser.TrainingSamplesStart);
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| 102 | TrySetVariable("TrainingSamplesStart", parser.TrainingSamplesStart);
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| 103 | TrySetVariable("TrainingSamplesEnd", parser.TrainingSamplesEnd);
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| 104 | TrySetVariable("ValidationSamplesStart", parser.ValidationSamplesStart);
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| 105 | TrySetVariable("ValidationSamplesEnd", parser.ValidationSamplesEnd);
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| 106 | TrySetVariable("TestSamplesStart", parser.TestSamplesStart);
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| 107 | TrySetVariable("TestSamplesEnd", parser.TestSamplesEnd);
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| 108 | TrySetVariable("TargetVariable", parser.TargetVariable);
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| 109 |
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| 110 | IVariable var = StructIdProblemInjector.GetVariable("AllowedFeatures");
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| 111 | if(var != null) {
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| 112 | ItemList<IntData> allowedFeatures = (ItemList<IntData>)var.Value;
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| 113 | allowedFeatures.Clear();
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| 114 | List<int> nonInputVariables = parser.NonInputVariables;
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| 115 | for(int i = 0; i < dataset.Columns; i++) {
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| 116 | if(!nonInputVariables.Contains(i)) allowedFeatures.Add(new IntData(i));
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| 117 | }
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[487] | 118 | }
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[2] | 119 | Refresh();
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| 120 | }
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| 121 | }
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| 122 | }
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[273] | 123 |
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[495] | 124 | private void TrySetVariable(string name, int value) {
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| 125 | IVariable var = StructIdProblemInjector.GetVariable(name);
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| 126 | if(var != null) {
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| 127 | ((IntData)var.Value).Data = value;
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| 128 | }
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| 129 | }
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| 130 |
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[274] | 131 | private void ShowWarningMessageBox(Exception ex) {
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| 132 | MessageBox.Show(ex.Message,
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| 133 | "Warning - " + ex.GetType().Name,
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| 134 | MessageBoxButtons.OK,
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| 135 | MessageBoxIcon.Warning);
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| 136 | }
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[273] | 137 | private void ShowErrorMessageBox(Exception ex) {
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| 138 | MessageBox.Show(BuildErrorMessage(ex),
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| 139 | "Error - " + ex.GetType().Name,
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| 140 | MessageBoxButtons.OK,
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| 141 | MessageBoxIcon.Error);
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| 142 | }
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| 143 | private string BuildErrorMessage(Exception ex) {
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| 144 | StringBuilder sb = new StringBuilder();
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| 145 | sb.Append("Sorry, but something went wrong!\n\n" + ex.Message + "\n\n" + ex.StackTrace);
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| 146 |
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| 147 | while(ex.InnerException != null) {
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| 148 | ex = ex.InnerException;
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| 149 | sb.Append("\n\n-----\n\n" + ex.Message + "\n\n" + ex.StackTrace);
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| 150 | }
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| 151 | return sb.ToString();
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| 152 | }
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[2] | 153 | }
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| 154 | }
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