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.Data;
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26 | using System.Drawing;
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27 | using System.Text;
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28 | using System.Threading;
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29 | using System.Windows.Forms;
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30 | using WeifenLuo.WinFormsUI.Docking;
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31 | using HeuristicLab.PluginInfrastructure;
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32 | using HeuristicLab.Core;
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33 | using System.IO;
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34 |
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35 | namespace HeuristicLab.AdvancedOptimizationFrontend {
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36 | /// <summary>
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37 | /// The main form of the application.
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38 | /// </summary>
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39 | public partial class MainForm : Form, IControlManager {
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40 | #region Inner Types
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41 | private class Task {
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42 | public string filename;
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43 | public IStorable storable;
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44 | public IEditor editor;
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45 |
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46 | private Task() { }
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47 | public Task(string filename, IStorable storable, IEditor editor) {
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48 | this.filename = filename;
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49 | this.storable = storable;
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50 | this.editor = editor;
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51 | }
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52 | }
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53 | #endregion
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54 |
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55 | private object locker;
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56 | private int runningTasks;
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57 |
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58 | /// <summary>
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59 | /// Initializes a new instance of <see cref="MainForm"/>.
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60 | /// </summary>
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61 | public MainForm() {
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62 | InitializeComponent();
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63 |
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64 | locker = new object();
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65 | runningTasks = 0;
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66 |
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67 | AvailableOperatorsForm form = new AvailableOperatorsForm();
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68 | form.Show(dockPanel);
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69 |
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70 | DiscoveryService discoveryService = new DiscoveryService();
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71 |
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72 | // discover creatable items
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73 | Type[] creatables = discoveryService.GetTypes(typeof(IEditable));
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74 | string[] names = new string[creatables.Length];
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75 | for (int i = 0; i < creatables.Length; i++)
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76 | names[i] = creatables[i].Name;
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77 | Array.Sort(names, creatables);
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78 | foreach (Type type in creatables) {
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79 | if (!type.IsAbstract) {
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80 | ToolStripMenuItem item = new ToolStripMenuItem();
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81 | item.Tag = type;
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82 | item.Text = "&" + type.Name + "...";
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83 | item.Click += new EventHandler(newToolStripMenuItem_Click);
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84 | newToolStripMenuItem.DropDownItems.Add(item);
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85 |
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86 | item = new ToolStripMenuItem();
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87 | item.Tag = type;
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88 | item.Text = "&" + type.Name + "...";
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89 | item.Click += new EventHandler(newToolStripMenuItem_Click);
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90 | newToolStripDropDownButton.DropDownItems.Add(item);
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91 | }
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92 | }
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93 | }
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94 |
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95 | #region IControlManager Members
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96 | /// <summary>
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97 | /// Displays the given <paramref name="control"/>.
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98 | /// </summary>
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99 | /// <exception cref="InvalidOperationException">Thrown when the given <paramref name="control"/>
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100 | /// is neither a view nor an editor.</exception>
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101 | /// <param name="control">The control to display.</param>
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102 | delegate void ShowControlDelegate(IControl control);
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103 | public void ShowControl(IControl control) {
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104 | if (InvokeRequired) Invoke((Action<IControl>)ShowControl,control);
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105 | else {
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106 | DockContent content;
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107 | if (control is IEditor)
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108 | content = new EditorForm((IEditor)control);
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109 | else if (control is IView)
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110 | content = new ViewForm((IView)control);
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111 | else
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112 | throw new InvalidOperationException("Control is neither a view nor an editor.");
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113 |
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114 | content.TabText = content.Text;
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115 | content.Show(dockPanel);
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116 | }
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117 | }
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118 | #endregion
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119 |
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120 | private void EnableDisableItems() {
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121 | closeToolStripMenuItem.Enabled = false;
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122 | closeAllToolStripMenuItem.Enabled = false;
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123 | saveToolStripMenuItem.Enabled = false;
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124 | saveToolStripButton.Enabled = false;
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125 | saveAsToolStripMenuItem.Enabled = false;
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126 | saveAllToolStripMenuItem.Enabled = false;
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127 | saveAllToolStripButton.Enabled = false;
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128 |
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129 | if (ActiveMdiChild != null) {
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130 | closeToolStripMenuItem.Enabled = true;
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131 | closeAllToolStripMenuItem.Enabled = true;
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132 | saveAllToolStripMenuItem.Enabled = true;
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133 | saveAllToolStripButton.Enabled = true;
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134 | EditorForm form = ActiveMdiChild as EditorForm;
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135 | if (form != null){
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136 | if (((Control)form.Editor).Enabled) {
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137 | saveToolStripMenuItem.Enabled = true;
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138 | saveToolStripButton.Enabled = true;
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139 | saveAsToolStripMenuItem.Enabled = true;
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140 | } else {
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141 | closeToolStripMenuItem.Enabled = false;
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142 | closeAllToolStripMenuItem.Enabled = false;
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143 | }
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144 | }
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145 | }
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146 | }
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147 |
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148 | #region Open and Save Methods
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149 | private void Open() {
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150 | if (openFileDialog.ShowDialog(this) == DialogResult.OK) {
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151 | lock (locker) runningTasks++;
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152 | Cursor = Cursors.AppStarting;
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153 | Task task = new Task(openFileDialog.FileName, null, null);
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154 | ThreadPool.QueueUserWorkItem(new WaitCallback(AsynchronousLoad), task);
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155 | }
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156 | }
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157 | private void AsynchronousLoad(object state) {
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158 | Task task = (Task)state;
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159 | try {
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160 | task.storable = PersistenceManager.Load(task.filename);
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161 | } catch(FileNotFoundException fileNotFoundEx) {
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162 | MessageBox.Show("Sorry couldn't open file \"" + task.filename + "\".\nThe file or plugin \"" + fileNotFoundEx.FileName + "\" is not available.\nPlease make sure you have all necessary plugins installed.",
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163 | "Reader Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
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164 | } catch(TypeLoadException typeLoadEx) {
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165 | MessageBox.Show("Sorry couldn't open file \"" + task.filename + "\".\nThe type \"" + typeLoadEx.TypeName+ "\" is not available.\nPlease make sure that you have the correct version the plugin installed.",
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166 | "Reader Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
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167 | }
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168 | LoadFinished(task);
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169 | }
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170 | private delegate void TaskFinishedDelegate(Task task);
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171 | private void LoadFinished(Task task) {
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172 | if (InvokeRequired)
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173 | Invoke(new TaskFinishedDelegate(LoadFinished), task);
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174 | else {
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175 | IEditor editor = null;
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176 | if (task.storable != null) {
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177 | IEditable editable = task.storable as IEditable;
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178 | if (editable != null)
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179 | editor = editable.CreateEditor();
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180 | }
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181 | if (editor == null)
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182 | MessageBox.Show("Could not open item. The selected item doesn't provide an editor.", "Editor Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
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183 | else {
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184 | editor.Filename = task.filename;
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185 | PluginManager.ControlManager.ShowControl(editor);
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186 | }
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187 | lock (locker) {
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188 | runningTasks--;
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189 | if (runningTasks == 0)
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190 | Cursor = Cursors.Default;
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191 | }
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192 | }
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193 | }
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194 | private void Save(EditorForm form) {
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195 | if (form.Editor.Filename == null)
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196 | SaveAs(form);
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197 | else {
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198 | lock (locker) runningTasks++;
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199 | Cursor = Cursors.AppStarting;
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200 | ((Control)form.Editor).Enabled = false;
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201 | EnableDisableItems();
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202 | Task task = new Task(form.Editor.Filename, form.Editor.Item, form.Editor);
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203 | ThreadPool.QueueUserWorkItem(new WaitCallback(AsynchronousSave), task);
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204 | }
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205 | }
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206 | private void SaveAs(EditorForm form) {
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207 | if (saveFileDialog.ShowDialog(this) == DialogResult.OK) {
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208 | form.Editor.Filename = saveFileDialog.FileName;
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209 | Save(form);
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210 | }
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211 | }
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212 | private void AsynchronousSave(object state) {
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213 | Task task = (Task)state;
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214 | PersistenceManager.Save(task.storable, task.filename);
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215 | SaveFinished(task);
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216 | }
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217 | private void SaveFinished(Task task) {
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218 | if (InvokeRequired)
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219 | Invoke(new TaskFinishedDelegate(SaveFinished), task);
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220 | else {
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221 | ((Control)task.editor).Enabled = true;
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222 | EnableDisableItems();
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223 | lock (locker) {
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224 | runningTasks--;
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225 | if (runningTasks == 0)
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226 | Cursor = Cursors.Default;
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227 | }
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228 | }
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229 | }
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230 | #endregion
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231 |
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232 | private void MainForm_MdiChildActivate(object sender, EventArgs e) {
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233 | EnableDisableItems();
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234 | }
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235 |
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236 | #region Menu Events
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237 | private void newToolStripMenuItem_Click(object sender, EventArgs e) {
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238 | ToolStripItem item = (ToolStripItem)sender;
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239 | Type type = (Type)item.Tag;
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240 | IEditable editable = (IEditable)Activator.CreateInstance(type);
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241 | if (editable == null) {
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242 | MessageBox.Show("The selected item is not editable.", "Editable Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
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243 | } else {
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244 | IEditor editor = editable.CreateEditor();
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245 | if (editor == null) {
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246 | MessageBox.Show("The selected item doesn't provide an editor.", "Editor Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
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247 | } else {
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248 | PluginManager.ControlManager.ShowControl(editor);
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249 | EnableDisableItems();
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250 | }
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251 | }
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252 | }
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253 | private void openToolStripMenuItem_Click(object sender, EventArgs e) {
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254 | Open();
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255 | }
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256 | private void saveToolStripMenuItem_Click(object sender, EventArgs e) {
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257 | EditorForm form = ActiveMdiChild as EditorForm;
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258 | Save(form);
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259 | }
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260 | private void saveAsToolStripMenuItem_Click(object sender, EventArgs e) {
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261 | EditorForm form = ActiveMdiChild as EditorForm;
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262 | SaveAs(form);
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263 | }
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264 | private void saveAllToolStripMenuItem_Click(object sender, EventArgs e) {
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265 | for (int i = 0; i < MdiChildren.Length; i++) {
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266 | EditorForm form = MdiChildren[i] as EditorForm;
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267 | if (((Control)form.Editor).Enabled) Save(form);
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268 | }
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269 | }
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270 | private void closeToolStripMenuItem_Click(object sender, EventArgs e) {
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271 | ActiveMdiChild.Close();
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272 | EnableDisableItems();
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273 | }
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274 | private void closeAllToolStripMenuItem_Click(object sender, EventArgs e) {
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275 | while (MdiChildren.Length > 0)
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276 | MdiChildren[0].Close();
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277 | EnableDisableItems();
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278 | }
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279 | private void exitToolStripMenuItem_Click(object sender, EventArgs e) {
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280 | Application.Exit();
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281 | }
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282 | private void availableOperatorsToolStripMenuItem_Click(object sender, EventArgs e) {
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283 | AvailableOperatorsForm form = new AvailableOperatorsForm();
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284 | form.Show(dockPanel);
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285 | }
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286 | private void collectGarbageToolStripMenuItem_Click(object sender, EventArgs e) {
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287 | GC.Collect();
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288 | }
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289 | private void aboutToolStripMenuItem_Click(object sender, EventArgs e) {
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290 | AboutDialog dialog = new AboutDialog();
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291 | dialog.ShowDialog(this);
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292 | dialog.Dispose();
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293 | }
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294 | #endregion
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295 |
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296 | #region ToolStrip Events
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297 | private void openToolStripButton_Click(object sender, EventArgs e) {
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298 | Open();
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299 | }
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300 | private void saveToolStripButton_Click(object sender, EventArgs e) {
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301 | EditorForm form = ActiveMdiChild as EditorForm;
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302 | Save(form);
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303 | }
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304 | private void saveAllToolStripButton_Click(object sender, EventArgs e) {
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305 | for (int i = 0; i < MdiChildren.Length; i++) {
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306 | EditorForm form = MdiChildren[i] as EditorForm;
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307 | if (form!=null && ((Control)form.Editor).Enabled) Save(form);
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308 | }
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309 | }
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310 | #endregion
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311 | }
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312 | }
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