1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2011 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.Drawing;
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24 | using System.Linq;
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25 | using System.Threading.Tasks;
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26 | using System.Windows.Forms;
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27 | using HeuristicLab.Common.Resources;
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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.Encodings.PermutationEncoding;
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32 | using HeuristicLab.MainForm;
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33 | using HeuristicLab.MainForm.WindowsForms;
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34 |
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35 | namespace HeuristicLab.Problems.QuadraticAssignment.Views {
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36 | [View("Quadratic Assignment Problem View")]
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37 | [Content(typeof(QuadraticAssignmentProblem), IsDefaultView = true)]
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38 | public sealed partial class QuadraticAssignmentProblemView : ParameterizedNamedItemView {
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39 | public new QuadraticAssignmentProblem Content {
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40 | get { return (QuadraticAssignmentProblem)base.Content; }
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41 | set { base.Content = value; }
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42 | }
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43 |
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44 | public QuadraticAssignmentProblemView() {
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45 | InitializeComponent();
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46 | importInstanceButton.Image = VSImageLibrary.Open;
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47 | reloadInstancesButton.Text = String.Empty;
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48 | reloadInstancesButton.Image = VSImageLibrary.Refresh;
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49 | loadInstanceButton.Image = VSImageLibrary.Internet;
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50 | Controls.Remove(parameterCollectionView);
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51 | parameterCollectionView.Dock = DockStyle.Fill;
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52 | problemTabPage.Controls.Add(parameterCollectionView);
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53 | }
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54 |
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55 | protected override void RegisterContentEvents() {
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56 | base.RegisterContentEvents();
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57 | Content.DistancesParameter.ValueChanged += new EventHandler(DistanceMatrixParameter_ValueChanged);
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58 | Content.WeightsParameter.ValueChanged += new EventHandler(WeightsParameter_ValueChanged);
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59 | Content.BestKnownSolutionParameter.ValueChanged += new EventHandler(BestKnownSolutionParameter_ValueChanged);
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60 | }
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61 |
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62 | protected override void DeregisterContentEvents() {
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63 | Content.DistancesParameter.ValueChanged -= new EventHandler(DistanceMatrixParameter_ValueChanged);
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64 | Content.WeightsParameter.ValueChanged -= new EventHandler(WeightsParameter_ValueChanged);
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65 | Content.BestKnownSolutionParameter.ValueChanged -= new EventHandler(BestKnownSolutionParameter_ValueChanged);
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66 | base.DeregisterContentEvents();
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67 | }
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68 |
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69 | private void DistanceMatrixParameter_ValueChanged(object sender, System.EventArgs e) {
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70 | qapView.Distances = Content.Distances;
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71 | }
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72 |
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73 | private void WeightsParameter_ValueChanged(object sender, System.EventArgs e) {
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74 | qapView.Weights = Content.Weights;
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75 | }
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76 |
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77 | private void BestKnownSolutionParameter_ValueChanged(object sender, System.EventArgs e) {
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78 | qapView.Assignment = Content.BestKnownSolution;
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79 | }
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80 |
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81 | protected override void OnContentChanged() {
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82 | base.OnContentChanged();
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83 | if (Content != null) {
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84 | qapView.Distances = Content.Distances;
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85 | qapView.Weights = Content.Weights;
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86 | qapView.Assignment = Content.BestKnownSolution;
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87 | } else {
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88 | qapView.Distances = null;
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89 | qapView.Weights = null;
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90 | qapView.Assignment = null;
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91 | }
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92 | }
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93 |
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94 | protected override void SetEnabledStateOfControls() {
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95 | base.SetEnabledStateOfControls();
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96 | reloadInstancesButton.Enabled = !ReadOnly && !Locked && Content != null;
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97 | instancesComboBox.Enabled = !ReadOnly && !Locked && Content != null;
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98 | loadInstanceButton.Enabled = !ReadOnly && !Locked && Content != null && !String.IsNullOrEmpty((string)instancesComboBox.SelectedItem);
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99 | importInstanceButton.Enabled = !ReadOnly && !Locked && Content != null;
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100 | }
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101 |
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102 | private void instancesComboBox_SelectedValueChanged(object sender, System.EventArgs e) {
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103 | SetEnabledStateOfControls();
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104 | }
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105 |
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106 | private void loadInstanceButton_Click(object sender, System.EventArgs e) {
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107 | ReadOnly = true;
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108 | string instanceStr = instancesComboBox.SelectedItem as string;
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109 | Task t = new Task((object name) => {
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110 | string instance = (string)name;
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111 | if (String.IsNullOrEmpty(instance)) return;
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112 | try {
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113 | using (QAPServiceReference.QAPClient client = new QAPServiceReference.QAPClient()) {
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114 | var data = client.GetProblemInstanceData(instance);
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115 | DoubleMatrix weights = new DoubleMatrix(data.Weights.Length, data.Weights.Length);
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116 | DoubleMatrix distances = new DoubleMatrix(data.Weights.Length, data.Weights.Length);
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117 | try {
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118 | for (int i = 0; i < data.Weights.Length; i++)
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119 | for (int j = 0; j < data.Weights.Length; j++) {
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120 | weights[i, j] = data.Weights[i][j];
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121 | distances[i, j] = data.Distances[i][j];
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122 | }
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123 | } catch (IndexOutOfRangeException) {
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124 | MessageBox.Show("The problem data is malformed, the problem could not be loaded.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
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125 | }
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126 | Content.Name = data.Name;
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127 | Content.Description = data.Description;
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128 | Content.Maximization.Value = data.Maximization;
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129 | Content.Weights = weights;
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130 | Content.Distances = distances;
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131 |
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132 | Content.BestKnownQualityParameter.Value = null;
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133 | Content.BestKnownSolution = null;
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134 | Content.BestKnownSolutions = new ItemSet<Permutation>();
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135 | var solutions = client.GetBestSolutionsData(instance);
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136 | if (solutions.Any()) {
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137 | Content.BestKnownQualityParameter.Value = new DoubleValue(solutions.First().Quality);
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138 | Content.BestKnownSolution = new Permutation(PermutationTypes.Absolute, solutions.First().Assignment);
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139 | foreach (var solution in solutions) {
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140 | Content.BestKnownSolutions.Add(new Permutation(PermutationTypes.Absolute, solution.Assignment));
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141 | }
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142 | }
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143 | }
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144 | } catch (Exception ex) {
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145 | PluginInfrastructure.ErrorHandling.ShowErrorDialog(ex);
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146 | } finally {
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147 | ReadOnly = false;
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148 | }
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149 | }, instanceStr);
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150 | t.Start();
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151 | }
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152 |
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153 | private void importInstanceButton_Click(object sender, System.EventArgs e) {
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154 | if (openFileDialog.ShowDialog() == DialogResult.OK) {
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155 | try {
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156 | Content.ImportFileInstance(openFileDialog.FileName);
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157 | } catch (Exception ex) {
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158 | PluginInfrastructure.ErrorHandling.ShowErrorDialog(ex);
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159 | }
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160 | }
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161 | }
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162 |
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163 | private void QAPLIBInstancesLabel_Click(object sender, System.EventArgs e) {
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164 | System.Diagnostics.Process.Start("http://www.seas.upenn.edu/qaplib/");
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165 | }
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166 |
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167 | private void QAPLIBInstancesLabel_MouseEnter(object sender, EventArgs e) {
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168 | Cursor = Cursors.Hand;
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169 | QAPLIBInstancesLabel.ForeColor = Color.Red;
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170 | toolTip.SetToolTip(QAPLIBInstancesLabel, "Browse to http://www.seas.upenn.edu/qaplib/");
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171 | }
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172 |
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173 | private void QAPLIBInstancesLabel_MouseLeave(object sender, EventArgs e) {
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174 | Cursor = Cursors.Default;
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175 | QAPLIBInstancesLabel.ForeColor = Color.Blue;
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176 | toolTip.SetToolTip(QAPLIBInstancesLabel, String.Empty);
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177 | }
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178 |
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179 | private void reloadInstancesButton_Click(object sender, EventArgs e) {
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180 | ReadOnly = true;
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181 | System.Threading.Tasks.Task t = new System.Threading.Tasks.Task(() => {
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182 | try {
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183 | using (QAPServiceReference.QAPClient client = new QAPServiceReference.QAPClient()) {
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184 | instancesComboBox.Items.Clear();
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185 | foreach (string name in client.GetProblemInstances())
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186 | instancesComboBox.Items.Add(name);
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187 | if (instancesComboBox.Items.Count > 0)
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188 | instancesComboBox.SelectedIndex = 0;
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189 | }
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190 | } catch (Exception ex) {
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191 | PluginInfrastructure.ErrorHandling.ShowErrorDialog(ex);
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192 | } finally {
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193 | ReadOnly = false;
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194 | }
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195 | });
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196 | t.Start();
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197 | }
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198 | }
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199 | }
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