1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2018 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.Windows.Forms;
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24 | using HeuristicLab.Common;
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25 | using HeuristicLab.Core;
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26 | using HeuristicLab.Core.Views;
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27 | using HeuristicLab.MainForm;
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28 | using HeuristicLab.PluginInfrastructure;
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29 |
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30 | namespace HeuristicLab.Optimization.Views {
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31 | [View("IOptimizer View")]
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32 | [Content(typeof(IOptimizer), false)]
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33 | public partial class IOptimizerView : NamedItemView {
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34 | public IOptimizerView() {
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35 | InitializeComponent();
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36 | }
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37 |
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38 | public new IOptimizer Content {
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39 | get { return (IOptimizer)base.Content; }
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40 | set { base.Content = value; }
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41 | }
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42 |
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43 | protected override void DeregisterContentEvents() {
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44 | Content.ExceptionOccurred -= new EventHandler<EventArgs<Exception>>(Content_ExceptionOccurred);
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45 | Content.ExecutionStateChanged -= new EventHandler(Content_ExecutionStateChanged);
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46 | Content.Prepared -= new EventHandler(Content_Prepared);
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47 | Content.Started -= new EventHandler(Content_Started);
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48 | Content.Paused -= new EventHandler(Content_Paused);
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49 | Content.Stopped -= new EventHandler(Content_Stopped);
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50 | base.DeregisterContentEvents();
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51 | }
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52 | protected override void RegisterContentEvents() {
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53 | base.RegisterContentEvents();
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54 | Content.ExceptionOccurred += new EventHandler<EventArgs<Exception>>(Content_ExceptionOccurred);
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55 | Content.ExecutionStateChanged += new EventHandler(Content_ExecutionStateChanged);
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56 | Content.Prepared += new EventHandler(Content_Prepared);
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57 | Content.Started += new EventHandler(Content_Started);
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58 | Content.Paused += new EventHandler(Content_Paused);
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59 | Content.Stopped += new EventHandler(Content_Stopped);
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60 | }
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61 |
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62 | protected override void OnContentChanged() {
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63 | base.OnContentChanged();
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64 | if (Content != null) {
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65 | Locked = ReadOnly = Content.ExecutionState == ExecutionState.Started;
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66 | }
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67 | UpdateExecutionTime();
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68 | }
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69 |
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70 | protected override void SetEnabledStateOfControls() {
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71 | base.SetEnabledStateOfControls();
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72 | executionTimeTextBox.Enabled = Content != null;
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73 | SetEnabledStateOfExecutableButtons();
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74 | }
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75 |
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76 | #region Content Events
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77 | protected virtual void Content_ExecutionStateChanged(object sender, EventArgs e) {
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78 | if (InvokeRequired)
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79 | Invoke(new EventHandler(Content_ExecutionStateChanged), sender, e);
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80 | else
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81 | startButton.Enabled = pauseButton.Enabled = stopButton.Enabled = resetButton.Enabled = false;
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82 | }
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83 | protected virtual void Content_Prepared(object sender, EventArgs e) {
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84 | if (InvokeRequired)
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85 | Invoke(new EventHandler(Content_Prepared), sender, e);
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86 | else {
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87 | nameTextBox.Enabled = infoLabel.Enabled = true;
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88 | UpdateExecutionTime();
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89 | ReadOnly = Locked = false;
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90 | SetEnabledStateOfExecutableButtons();
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91 | }
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92 | }
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93 | protected virtual void Content_Started(object sender, EventArgs e) {
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94 | if (InvokeRequired)
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95 | Invoke(new EventHandler(Content_Started), sender, e);
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96 | else {
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97 | executionTimer.Start();
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98 | nameTextBox.Enabled = infoLabel.Enabled = false;
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99 | ReadOnly = Locked = true;
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100 | SetEnabledStateOfExecutableButtons();
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101 | }
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102 | }
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103 | protected virtual void Content_Paused(object sender, EventArgs e) {
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104 | if (InvokeRequired)
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105 | Invoke(new EventHandler(Content_Paused), sender, e);
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106 | else {
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107 | executionTimer.Stop();
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108 | UpdateExecutionTime();
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109 | nameTextBox.Enabled = infoLabel.Enabled = true;
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110 | ReadOnly = Locked = false;
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111 | SetEnabledStateOfExecutableButtons();
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112 | }
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113 | }
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114 | protected virtual void Content_Stopped(object sender, EventArgs e) {
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115 | if (InvokeRequired)
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116 | Invoke(new EventHandler(Content_Stopped), sender, e);
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117 | else {
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118 | executionTimer.Stop();
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119 | UpdateExecutionTime();
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120 | nameTextBox.Enabled = infoLabel.Enabled = true;
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121 | ReadOnly = Locked = false;
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122 | SetEnabledStateOfExecutableButtons();
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123 | }
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124 | }
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125 | protected virtual void Content_ExceptionOccurred(object sender, EventArgs<Exception> e) {
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126 | if (InvokeRequired)
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127 | Invoke(new EventHandler<EventArgs<Exception>>(Content_ExceptionOccurred), sender, e);
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128 | else {
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129 | executionTimer.Stop();
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130 | UpdateExecutionTime();
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131 | ErrorHandling.ShowErrorDialog(this, e.Value);
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132 | }
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133 | }
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134 | #endregion
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135 |
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136 | #region Control events
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137 | protected virtual async void startButton_Click(object sender, EventArgs e) {
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138 | await Content.StartAsync();
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139 | }
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140 | protected virtual void pauseButton_Click(object sender, EventArgs e) {
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141 | Content.Pause();
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142 | }
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143 | protected virtual void stopButton_Click(object sender, EventArgs e) {
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144 | Content.Stop();
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145 | }
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146 | protected virtual void resetButton_Click(object sender, EventArgs e) {
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147 | Content.Prepare(false);
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148 | }
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149 | private void executionTimer_Tick(object sender, EventArgs e) {
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150 | UpdateExecutionTime();
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151 | }
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152 |
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153 | private void UpdateExecutionTime() {
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154 | executionTimeTextBox.Text = (Content == null ? "-" : Content.ExecutionTime.ToString());
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155 | }
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156 | #endregion
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157 |
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158 | #region Helpers
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159 | protected virtual void SetEnabledStateOfExecutableButtons() {
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160 | if (Content == null) {
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161 | startButton.Enabled = pauseButton.Enabled = stopButton.Enabled = resetButton.Enabled = false;
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162 | } else {
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163 | startButton.Enabled = (Content.ExecutionState == ExecutionState.Prepared) || (Content.ExecutionState == ExecutionState.Paused);
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164 | pauseButton.Enabled = Content.ExecutionState == ExecutionState.Started;
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165 | stopButton.Enabled = (Content.ExecutionState == ExecutionState.Started) || (Content.ExecutionState == ExecutionState.Paused);
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166 | resetButton.Enabled = Content.ExecutionState != ExecutionState.Started;
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167 | }
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168 | }
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169 | #endregion
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170 | }
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171 | }
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