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.IO;
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24 | using System.Linq;
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25 | using System.Windows.Forms;
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26 | using HeuristicLab.Common.Resources;
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27 | using HeuristicLab.MainForm;
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28 | using HeuristicLab.MainForm.WindowsForms;
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29 | using HeuristicLab.PluginInfrastructure;
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30 |
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31 | namespace HeuristicLab.Problems.Instances.Views {
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32 | [View("ProblemInstanceProviderViewGeneric")]
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33 | [Content(typeof(IProblemInstanceProvider<>), IsDefaultView = true)]
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34 | public partial class ProblemInstanceProviderViewGeneric<T> : ProblemInstanceProviderView {
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35 |
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36 | public new IProblemInstanceProvider<T> Content {
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37 | get { return (IProblemInstanceProvider<T>)base.Content; }
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38 | set { base.Content = value; }
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39 | }
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40 |
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41 | #region Importer & Exporter
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42 | protected IProblemInstanceConsumer<T> GenericConsumer { get { return Consumer as IProblemInstanceConsumer<T>; } }
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43 | protected IProblemInstanceConsumer consumer;
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44 | public override IProblemInstanceConsumer Consumer {
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45 | get { return consumer; }
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46 | set {
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47 | consumer = value;
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48 | SetEnabledStateOfControls();
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49 | }
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50 | }
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51 |
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52 | protected IProblemInstanceExporter<T> GenericExporter { get { return Exporter as IProblemInstanceExporter<T>; } }
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53 | protected IProblemInstanceExporter exporter;
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54 | public override IProblemInstanceExporter Exporter {
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55 | get { return exporter; }
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56 | set {
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57 | exporter = value;
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58 | SetEnabledStateOfControls();
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59 | }
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60 | }
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61 | #endregion
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62 |
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63 | public ProblemInstanceProviderViewGeneric() {
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64 | InitializeComponent();
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65 | importButton.Text = String.Empty;
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66 | importButton.Image = VSImageLibrary.Open;
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67 | toolTip.SetToolTip(importButton, "Import a " + GetProblemType() + " problem from file.");
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68 | exportButton.Text = String.Empty;
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69 | exportButton.Image = VSImageLibrary.Save;
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70 | toolTip.SetToolTip(exportButton, "Export currently loaded " + GetProblemType() + " problem to a file.");
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71 | loadButton.Text = String.Empty;
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72 | loadButton.Image = VSImageLibrary.RefreshDocument;
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73 | toolTip.SetToolTip(loadButton, "Load the selected problem.");
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74 | }
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75 |
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76 | protected override void OnContentChanged() {
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77 | base.OnContentChanged();
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78 | if (Content == null) {
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79 | instancesComboBox.DataSource = null;
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80 | } else {
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81 | instancesComboBox.DisplayMember = "Name";
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82 | instancesComboBox.DataSource = Content.GetDataDescriptors().ToList();
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83 | }
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84 | }
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85 |
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86 | protected override void SetEnabledStateOfControls() {
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87 | base.SetEnabledStateOfControls();
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88 | instancesComboBox.Enabled = !ReadOnly && !Locked && Content != null && GenericConsumer != null;
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89 | loadButton.Enabled = !ReadOnly && !Locked && Content != null && GenericConsumer != null;
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90 | importButton.Enabled = !ReadOnly && !Locked && Content != null && GenericConsumer != null;
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91 | exportButton.Enabled = !ReadOnly && !Locked && Content != null && GenericExporter != null;
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92 | problemInstanceProviderSplitContainer.Panel2Collapsed = !exportButton.Enabled;
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93 | }
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94 |
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95 | protected virtual void loadButton_Click(object sender, EventArgs e) {
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96 | var descriptor = (IDataDescriptor)instancesComboBox.SelectedItem;
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97 | T instance = Content.LoadData(descriptor);
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98 | try {
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99 | GenericConsumer.Load(instance);
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100 | }
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101 | catch (Exception ex) {
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102 | MessageBox.Show(String.Format("This problem does not support loading the instance {0}: {1}", descriptor.Name, Environment.NewLine + ex.Message), "Cannot load instance");
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103 | }
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104 | }
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105 |
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106 | protected virtual void importButton_Click(object sender, EventArgs e) {
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107 | openFileDialog.FileName = GetProblemType() + " instance";
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108 | if (openFileDialog.ShowDialog() == DialogResult.OK) {
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109 | T instance = default(T);
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110 | try {
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111 | instance = Content.LoadData(openFileDialog.FileName);
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112 | }
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113 | catch (Exception ex) {
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114 | MessageBox.Show(String.Format("There was an error parsing the file: {0}", Environment.NewLine + ex.Message), "Error while parsing", MessageBoxButtons.OK, MessageBoxIcon.Error);
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115 | return;
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116 | }
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117 | try {
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118 | GenericConsumer.Load(instance);
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119 | }
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120 | catch (Exception ex) {
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121 | MessageBox.Show(String.Format("This problem does not support loading the instance {0}: {1}", Path.GetFileName(openFileDialog.FileName), Environment.NewLine + ex.Message), "Cannot load instance");
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122 | }
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123 | }
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124 | }
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125 |
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126 | protected virtual void exportButton_Click(object sender, EventArgs e) {
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127 | if (saveFileDialog.ShowDialog(this) == DialogResult.OK) {
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128 | try {
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129 | Content.SaveData(GenericExporter.Export(), saveFileDialog.FileName);
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130 | }
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131 | catch (Exception ex) {
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132 | ErrorHandling.ShowErrorDialog(this, ex);
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133 | }
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134 | }
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135 | }
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136 |
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137 | private void comboBox_DataSourceChanged(object sender, EventArgs e) {
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138 | var comboBox = (ComboBox)sender;
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139 | if (comboBox.DataSource == null)
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140 | comboBox.Items.Clear();
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141 | }
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142 |
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143 | protected virtual string GetProblemType() {
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144 | string dataTypeName = typeof(T).Name.Split(new char[] { '.' }, StringSplitOptions.RemoveEmptyEntries).Last();
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145 | if (dataTypeName.EndsWith("Data"))
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146 | return dataTypeName.Substring(0, dataTypeName.Length - "Data".Length);
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147 | else return dataTypeName;
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148 | }
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149 | }
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150 | }
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