1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 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.Linq;
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24 | using System.Windows.Forms;
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25 | using HeuristicLab.Common;
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26 | using HeuristicLab.Core.Views;
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27 | using HeuristicLab.MainForm;
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28 |
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29 | namespace HeuristicLab.Optimizer {
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30 | internal static class FileManager {
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31 | private static NewItemDialog newItemDialog;
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32 | private static OpenFileDialog openFileDialog;
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33 | private static SaveFileDialog saveFileDialog;
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34 |
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35 | static FileManager() {
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36 | newItemDialog = null;
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37 | openFileDialog = null;
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38 | saveFileDialog = null;
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39 | }
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40 |
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41 | public static void New() {
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42 | if (newItemDialog == null) newItemDialog = new NewItemDialog();
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43 | if (newItemDialog.ShowDialog() == DialogResult.OK) {
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44 | IView view = MainFormManager.CreateDefaultView(newItemDialog.Item);
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45 | if (view == null) MessageBox.Show("There is no view for the new item. It cannot be displayed.", "No View Available", MessageBoxButtons.OK, MessageBoxIcon.Error);
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46 | else view.Show();
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47 | }
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48 | }
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49 |
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50 | public static void Open() {
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51 | if (openFileDialog == null) {
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52 | openFileDialog = new OpenFileDialog();
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53 | openFileDialog.Title = "Open Item";
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54 | openFileDialog.FileName = "Item";
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55 | openFileDialog.Multiselect = true;
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56 | openFileDialog.DefaultExt = "hl";
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57 | openFileDialog.Filter = "HeuristicLab Files|*.hl|All Files|*.*";
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58 | }
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59 |
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60 | if (openFileDialog.ShowDialog() == DialogResult.OK) {
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61 | foreach (string filename in openFileDialog.FileNames) {
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62 | ((OptimizerMainForm)MainFormManager.MainForm).SetAppStartingCursor();
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63 | ContentManager.LoadAsync(filename, LoadingCompleted);
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64 | }
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65 | }
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66 | }
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67 | private static void LoadingCompleted(IStorableContent content, Exception error) {
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68 | try {
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69 | if (error != null) throw error;
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70 | Invoke(delegate() {
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71 | IView view = MainFormManager.CreateDefaultView(content);
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72 | if (view == null) MessageBox.Show("There is no view for the loaded item. It cannot be displayed.", "No View Available", MessageBoxButtons.OK, MessageBoxIcon.Error);
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73 | else view.Show();
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74 | });
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75 | }
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76 | catch (Exception ex) {
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77 | Auxiliary.ShowErrorMessageBox(ex);
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78 | }
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79 | finally {
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80 | ((OptimizerMainForm)MainFormManager.MainForm).ResetAppStartingCursor();
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81 | }
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82 | }
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83 |
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84 | public static void Save() {
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85 | IContentView activeView = MainFormManager.MainForm.ActiveView as IContentView;
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86 | if (activeView != null) {
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87 | Save(activeView);
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88 | }
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89 | }
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90 | private static void Save(IContentView view) {
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91 | IStorableContent content = view.Content as IStorableContent;
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92 | if (!view.Locked && (content != null)) {
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93 | if (string.IsNullOrEmpty(content.Filename))
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94 | SaveAs(view);
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95 | else {
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96 | ((OptimizerMainForm)MainFormManager.MainForm).SetAppStartingCursor();
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97 | ContentManager.SaveAsync(content, content.Filename, true, SavingCompleted);
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98 | }
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99 | }
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100 | }
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101 | public static void SaveAs() {
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102 | IContentView activeView = MainFormManager.MainForm.ActiveView as IContentView;
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103 | if (activeView != null) {
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104 | SaveAs(activeView);
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105 | }
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106 | }
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107 | public static void SaveAs(IContentView view) {
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108 | IStorableContent content = view.Content as IStorableContent;
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109 | if (!view.Locked && (content != null)) {
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110 | if (saveFileDialog == null) {
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111 | saveFileDialog = new SaveFileDialog();
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112 | saveFileDialog.Title = "Save Item";
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113 | saveFileDialog.DefaultExt = "hl";
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114 | saveFileDialog.Filter = "Uncompressed HeuristicLab Files|*.hl|HeuristicLab Files|*.hl|All Files|*.*";
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115 | saveFileDialog.FilterIndex = 2;
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116 | }
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117 | saveFileDialog.FileName = string.IsNullOrEmpty(content.Filename) ? "Item" : content.Filename;
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118 |
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119 | if (saveFileDialog.ShowDialog() == DialogResult.OK) {
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120 | ((OptimizerMainForm)MainFormManager.MainForm).SetAppStartingCursor();
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121 | if (saveFileDialog.FilterIndex == 1) {
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122 | ContentManager.SaveAsync(content, saveFileDialog.FileName, false, SavingCompleted);
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123 | } else {
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124 | ContentManager.SaveAsync(content, saveFileDialog.FileName, true, SavingCompleted);
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125 | }
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126 | }
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127 | }
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128 | }
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129 | private static void SavingCompleted(IStorableContent content, Exception error) {
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130 | try {
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131 | if (error != null) throw error;
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132 | Invoke(delegate() {
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133 | ((OptimizerMainForm)MainFormManager.MainForm).UpdateTitle();
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134 | });
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135 | }
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136 | catch (Exception ex) {
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137 | Auxiliary.ShowErrorMessageBox(ex);
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138 | }
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139 | finally {
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140 | ((OptimizerMainForm)MainFormManager.MainForm).ResetAppStartingCursor();
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141 | }
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142 | }
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143 |
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144 | private static void Invoke(Action a) {
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145 | Form form = MainFormManager.MainForm as Form;
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146 | if (form.InvokeRequired)
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147 | form.Invoke(a);
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148 | else
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149 | a.Invoke();
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150 | }
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151 | }
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152 | }
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