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.Collections;
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24 | using System.Collections.Generic;
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25 | using System.Drawing;
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26 | using System.Linq;
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27 | using System.Windows.Forms;
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28 | using HeuristicLab.Collections;
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29 | using HeuristicLab.Common;
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30 | using HeuristicLab.Core;
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31 | using HeuristicLab.Core.Views;
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32 | using HeuristicLab.MainForm;
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33 | using HeuristicLab.PluginInfrastructure;
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34 |
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35 | namespace HeuristicLab.Optimization.Views {
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36 | public sealed partial class ExperimentTreeView : ItemView {
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37 | private TypeSelectorDialog typeSelectorDialog;
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38 | private Dictionary<INamedItem, List<TreeNode>> treeNodeTagMapping;
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39 |
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40 | public ExperimentTreeView() {
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41 | InitializeComponent();
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42 | treeNodeTagMapping = new Dictionary<INamedItem, List<TreeNode>>();
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43 | }
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44 |
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45 | protected override void Dispose(bool disposing) {
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46 | if (disposing) {
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47 | if (typeSelectorDialog != null) typeSelectorDialog.Dispose();
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48 | if (components != null) components.Dispose();
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49 | }
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50 | base.Dispose(disposing);
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51 | }
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52 |
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53 | #region necessary code to handle dock correctly regarding the expanded nodes
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54 | bool[] expandendedState;
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55 | protected override void OnHandleCreated(EventArgs e) {
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56 | base.OnHandleCreated(e);
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57 | if (expandendedState == null) return;
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58 | var nodes = IterateTreeNodes().ToList();
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59 | for (int i = 0; i < nodes.Count; i++)
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60 | if (expandendedState[i]) nodes[i].Expand();
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61 | }
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62 | protected override void OnHandleDestroyed(EventArgs e) {
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63 | base.OnHandleDestroyed(e);
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64 | var nodes = IterateTreeNodes().ToList();
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65 | expandendedState = new bool[nodes.Count];
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66 | for (int i = 0; i < nodes.Count; i++)
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67 | expandendedState[i] = nodes[i].IsExpanded;
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68 | }
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69 | #endregion
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70 |
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71 | public new Experiment Content {
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72 | get { return (Experiment)base.Content; }
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73 | set { base.Content = value; }
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74 | }
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75 |
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76 | #region events registration
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77 | protected override void RegisterContentEvents() {
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78 | base.RegisterContentEvents();
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79 | Content.ExecutionStateChanged += new EventHandler(Content_ExecutionStateChanged);
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80 | Content.Optimizers.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsAdded);
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81 | Content.Optimizers.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsMoved);
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82 | Content.Optimizers.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsRemoved);
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83 | Content.Optimizers.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsReplaced);
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84 | Content.Optimizers.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_CollectionReset);
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85 | }
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86 |
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87 | protected override void DeregisterContentEvents() {
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88 | Content.ExecutionStateChanged -= new EventHandler(Content_ExecutionStateChanged);
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89 | Content.Optimizers.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsAdded);
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90 | Content.Optimizers.ItemsMoved -= new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsMoved);
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91 | Content.Optimizers.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsRemoved);
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92 | Content.Optimizers.ItemsReplaced -= new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsReplaced);
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93 | Content.Optimizers.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_CollectionReset);
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94 | foreach (var optimizer in treeNodeTagMapping.Keys)
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95 | DeregisterNamedItemEvents(optimizer);
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96 | base.DeregisterContentEvents();
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97 | }
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98 |
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99 | private void RegisterNamedItemEvents(INamedItem namedItem) {
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100 | namedItem.ToStringChanged += new EventHandler(namedItem_ToStringChanged);
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101 | namedItem.ItemImageChanged += new EventHandler(namedItem_ItemImageChanged);
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102 |
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103 | var algorithm = namedItem as IAlgorithm;
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104 | var batchRun = namedItem as BatchRun;
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105 | var experiment = namedItem as Experiment;
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106 |
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107 | if (algorithm != null) {
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108 | algorithm.ProblemChanged += new EventHandler(algorithm_ProblemChanged);
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109 | } else if (batchRun != null) {
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110 | batchRun.OptimizerChanged += new EventHandler(batchRun_OptimizerChanged);
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111 | } else if (experiment != null) {
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112 | experiment.Optimizers.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsAdded);
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113 | experiment.Optimizers.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsMoved);
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114 | experiment.Optimizers.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsRemoved);
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115 | experiment.Optimizers.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsReplaced);
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116 | experiment.Optimizers.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_CollectionReset);
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117 | }
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118 | }
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119 |
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120 | private void DeregisterNamedItemEvents(INamedItem namedItem) {
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121 | namedItem.ToStringChanged -= new EventHandler(namedItem_ToStringChanged);
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122 | namedItem.ItemImageChanged -= new EventHandler(namedItem_ItemImageChanged);
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123 |
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124 | var algorithm = namedItem as IAlgorithm;
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125 | var batchRun = namedItem as BatchRun;
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126 | var experiment = namedItem as Experiment;
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127 | if (algorithm != null) {
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128 | algorithm.ProblemChanged -= new EventHandler(algorithm_ProblemChanged);
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129 | } else if (batchRun != null) {
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130 | batchRun.OptimizerChanged -= new EventHandler(batchRun_OptimizerChanged);
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131 | } else if (experiment != null) {
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132 | experiment.Optimizers.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsAdded);
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133 | experiment.Optimizers.ItemsMoved -= new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsMoved);
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134 | experiment.Optimizers.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsRemoved);
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135 | experiment.Optimizers.ItemsReplaced -= new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_ItemsReplaced);
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136 | experiment.Optimizers.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<IOptimizer>>(Optimizers_CollectionReset);
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137 | }
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138 | }
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139 | #endregion
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140 |
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141 | protected override void OnContentChanged() {
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142 | base.OnContentChanged();
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143 | if (Content == null) {
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144 | treeView.Nodes.Clear();
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145 | } else {
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146 | UpdateOptimizerTreeView();
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147 | treeView.ExpandAll();
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148 | }
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149 | }
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150 |
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151 | #region content events
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152 | private void Content_ExecutionStateChanged(object sender, EventArgs e) {
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153 | if (InvokeRequired) {
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154 | Invoke((Action<object, EventArgs>)Content_ExecutionStateChanged, sender, e);
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155 | return;
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156 | }
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157 | SetEnabledStateOfControls();
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158 | }
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159 |
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160 | private void algorithm_ProblemChanged(object sender, EventArgs e) {
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161 | if (InvokeRequired) {
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162 | Invoke((Action<object, EventArgs>)algorithm_ProblemChanged, sender, e);
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163 | return;
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164 | }
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165 |
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166 | var algorithm = (IAlgorithm)sender;
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167 | foreach (TreeNode node in treeNodeTagMapping[algorithm]) {
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168 | foreach (TreeNode childNode in node.Nodes.OfType<TreeNode>().ToList()) {
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169 | DisposeTreeNode(childNode);
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170 | childNode.Remove();
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171 | }
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172 | foreach (TreeNode childNode in CreateAlgorithmChildNodes(algorithm))
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173 | node.Nodes.Add(childNode);
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174 | node.Expand();
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175 | }
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176 |
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177 | RebuildImageList();
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178 | UpdateDetailsViewHost();
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179 | }
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180 |
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181 | private void batchRun_OptimizerChanged(object sender, EventArgs e) {
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182 | if (InvokeRequired) {
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183 | Invoke((Action<object, EventArgs>)batchRun_OptimizerChanged, sender, e);
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184 | return;
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185 | }
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186 | var batchRun = (BatchRun)sender;
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187 | foreach (TreeNode node in treeNodeTagMapping[batchRun]) {
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188 | foreach (TreeNode childNode in node.Nodes.OfType<TreeNode>().ToList()) {
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189 | DisposeTreeNode(childNode);
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190 | childNode.Remove();
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191 | }
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192 |
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193 | if (batchRun.Optimizer != null) {
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194 | UpdateChildTreeNodes(node.Nodes, batchRun);
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195 | node.Expand();
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196 | }
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197 | }
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198 | RebuildImageList();
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199 | UpdateDetailsViewHost();
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200 | }
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201 |
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202 | private void Optimizers_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IOptimizer>> e) {
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203 | if (InvokeRequired) {
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204 | Invoke((Action<object, CollectionItemsChangedEventArgs<IndexedItem<IOptimizer>>>)Optimizers_ItemsAdded, sender, e);
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205 | return;
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206 | }
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207 |
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208 | var optimizerList = (OptimizerList)sender;
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209 | IEnumerable<TreeNodeCollection> parentNodes;
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210 | if (optimizerList == Content.Optimizers) parentNodes = new List<TreeNodeCollection>() { treeView.Nodes };
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211 | else {
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212 | Experiment experiment = treeNodeTagMapping.Keys.OfType<Experiment>().Where(exp => exp.Optimizers == optimizerList).First();
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213 | parentNodes = treeNodeTagMapping[experiment].Select(node => node.Nodes);
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214 | }
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215 |
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216 | foreach (TreeNodeCollection parentNode in parentNodes) {
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217 | foreach (var childOptimizer in e.Items) {
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218 | TreeNode childNode = CreateTreeNode(childOptimizer.Value);
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219 | UpdateChildTreeNodes(childNode.Nodes, childOptimizer.Value);
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220 | parentNode.Insert(childOptimizer.Index, childNode);
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221 | childNode.ExpandAll();
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222 | if (childNode.Parent != null) childNode.Parent.ExpandAll();
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223 | }
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224 | }
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225 | RebuildImageList();
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226 | }
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227 | private void Optimizers_ItemsMoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<IOptimizer>> e) {
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228 | if (InvokeRequired) {
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229 | Invoke((Action<object, CollectionItemsChangedEventArgs<IndexedItem<IOptimizer>>>)Optimizers_ItemsMoved, sender, e);
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230 | return;
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231 | }
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232 |
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233 | var optimizerList = (OptimizerList)sender;
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234 | IEnumerable<TreeNodeCollection> parentNodes;
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235 | if (optimizerList == Content.Optimizers) parentNodes = new List<TreeNodeCollection>() { treeView.Nodes };
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236 | else {
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237 | Experiment experiment = treeNodeTagMapping.Keys.OfType<Experiment>().Where(exp => exp.Optimizers == optimizerList).First();
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238 | parentNodes = treeNodeTagMapping[experiment].Select(node => node.Nodes);
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239 | }
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240 |
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241 | foreach (TreeNodeCollection parentNode in parentNodes) {
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242 | //get all effected child nodes
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243 | foreach (TreeNode childNode in parentNode.OfType<TreeNode>()
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244 | .Where(n => e.OldItems.Select(x => x.Value).Contains((IOptimizer)n.Tag)).ToList()) {
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245 | DisposeTreeNode(childNode);
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246 | childNode.Remove();
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247 | }
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248 |
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249 | foreach (var childOptimizer in e.Items) {
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250 | TreeNode childNode = CreateTreeNode(childOptimizer.Value);
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251 | UpdateChildTreeNodes(childNode.Nodes, childOptimizer.Value);
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252 | childNode.ExpandAll();
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253 | parentNode.Insert(childOptimizer.Index, childNode);
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254 | }
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255 | }
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256 | RebuildImageList();
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257 | UpdateDetailsViewHost();
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258 | }
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259 | private void Optimizers_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<IOptimizer>> e) {
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260 | if (InvokeRequired) {
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261 | Invoke((Action<object, CollectionItemsChangedEventArgs<IndexedItem<IOptimizer>>>)Optimizers_ItemsRemoved, sender, e);
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262 | return;
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263 | }
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264 |
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265 | var optimizerList = (OptimizerList)sender;
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266 | IEnumerable<TreeNodeCollection> parentNodes;
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267 | if (optimizerList == Content.Optimizers) parentNodes = new List<TreeNodeCollection>() { treeView.Nodes };
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268 | else {
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269 | Experiment experiment = treeNodeTagMapping.Keys.OfType<Experiment>().Where(exp => exp.Optimizers == optimizerList).First();
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270 | parentNodes = treeNodeTagMapping[experiment].Select(node => node.Nodes);
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271 | }
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272 |
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273 | foreach (TreeNodeCollection parentNode in parentNodes) {
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274 | foreach (var childOptimizer in e.Items) {
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275 | TreeNode childNode = parentNode[childOptimizer.Index];
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276 | DisposeTreeNode(childNode);
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277 | childNode.Remove();
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278 | }
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279 | }
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280 | RebuildImageList();
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281 | UpdateDetailsViewHost();
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282 | }
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283 | private void Optimizers_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IOptimizer>> e) {
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284 | if (InvokeRequired) {
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285 | Invoke((Action<object, CollectionItemsChangedEventArgs<IndexedItem<IOptimizer>>>)Optimizers_ItemsReplaced, sender, e);
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286 | return;
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287 | }
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288 |
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289 | var optimizerList = (OptimizerList)sender;
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290 | IEnumerable<TreeNodeCollection> parentNodes;
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291 | if (optimizerList == Content.Optimizers) parentNodes = new List<TreeNodeCollection>() { treeView.Nodes };
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292 | else {
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293 | Experiment experiment = treeNodeTagMapping.Keys.OfType<Experiment>().Where(exp => exp.Optimizers == optimizerList).First();
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294 | parentNodes = treeNodeTagMapping[experiment].Select(node => node.Nodes);
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295 | }
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296 |
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297 | foreach (TreeNodeCollection parentNode in parentNodes) {
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298 | foreach (var childOptimizer in e.OldItems) {
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299 | TreeNode childNode = parentNode.Cast<TreeNode>().Where(n => n.Tag == childOptimizer.Value && n.Index == childOptimizer.Index).First();
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300 | DisposeTreeNode(childNode);
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301 | childNode.Remove();
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302 | }
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303 | foreach (var childOptimizer in e.Items) {
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304 | TreeNode childNode = CreateTreeNode(childOptimizer.Value);
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305 | UpdateChildTreeNodes(childNode.Nodes, childOptimizer.Value);
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306 | parentNode.Insert(childOptimizer.Index, childNode);
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307 | }
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308 | }
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309 | RebuildImageList();
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310 | UpdateDetailsViewHost();
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311 | }
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312 | private void Optimizers_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<IOptimizer>> e) {
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313 | if (InvokeRequired) {
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314 | Invoke((Action<object, CollectionItemsChangedEventArgs<IndexedItem<IOptimizer>>>)Optimizers_CollectionReset, sender, e);
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315 | return;
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316 | }
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317 |
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318 | var optimizerList = (OptimizerList)sender;
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319 | IEnumerable<TreeNodeCollection> parentNodes;
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320 | if (optimizerList == Content.Optimizers) parentNodes = new List<TreeNodeCollection>() { treeView.Nodes };
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321 | else {
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322 | Experiment experiment = treeNodeTagMapping.Keys.OfType<Experiment>().Where(exp => exp.Optimizers == optimizerList).First();
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323 | parentNodes = treeNodeTagMapping[experiment].Select(node => node.Nodes);
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324 | }
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325 |
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326 | foreach (TreeNodeCollection parentNode in parentNodes) {
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327 | foreach (var childOptimizer in e.OldItems) {
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328 | TreeNode childNode = parentNode.Cast<TreeNode>().Where(n => n.Tag == childOptimizer.Value && n.Index == childOptimizer.Index).First();
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329 | DisposeTreeNode(childNode);
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330 | childNode.Remove();
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331 | }
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332 | foreach (var childOptimizer in e.Items) {
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333 | TreeNode childNode = CreateTreeNode(childOptimizer.Value);
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334 | UpdateChildTreeNodes(childNode.Nodes, childOptimizer.Value);
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335 | parentNode.Insert(childOptimizer.Index, childNode);
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336 | }
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337 | }
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338 | RebuildImageList();
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339 | UpdateDetailsViewHost();
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340 | }
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341 |
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342 | private void namedItem_ToStringChanged(object sender, EventArgs e) {
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343 | if (InvokeRequired) {
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344 | Invoke((Action<object, EventArgs>)namedItem_ToStringChanged, sender, e);
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345 | return;
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346 | }
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347 | var namedItem = (INamedItem)sender;
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348 | foreach (TreeNode node in treeNodeTagMapping[namedItem])
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349 | node.Text = namedItem.ToString();
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350 | }
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351 |
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352 | private void namedItem_ItemImageChanged(object sender, EventArgs e) {
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353 | if (InvokeRequired) {
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354 | Invoke((Action<object, EventArgs>)namedItem_ItemImageChanged, sender, e);
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355 | return;
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356 | }
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357 | INamedItem namedItem = (INamedItem)sender;
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358 | foreach (TreeNode node in treeNodeTagMapping[namedItem]) {
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359 | treeView.ImageList.Images[node.ImageIndex] = namedItem.ItemImage;
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360 | node.ImageIndex = node.ImageIndex;
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361 | }
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362 | SetEnabledStateOfControls();
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363 | }
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364 | #endregion
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365 |
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366 | protected override void PropagateStateChanges(Control control, Type type, System.Reflection.PropertyInfo propertyInfo) {
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367 | return;
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368 | }
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369 |
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370 | protected override void SetEnabledStateOfControls() {
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371 | base.SetEnabledStateOfControls();
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372 | IOptimizer optimizer = null;
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373 | IAlgorithm algorithm = null;
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374 | BatchRun batchRun = null;
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375 | Experiment experiment = null;
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376 |
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377 | IOptimizer parentOptimizer = null;
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378 | Experiment parentExperiment = null;
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379 |
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380 | if (treeView.SelectedNode != null) {
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381 | optimizer = treeView.SelectedNode.Tag as IOptimizer;
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382 | algorithm = optimizer as IAlgorithm;
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383 | batchRun = optimizer as BatchRun;
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384 | experiment = optimizer as Experiment;
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385 |
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386 | if (treeView.SelectedNode.Parent != null) parentOptimizer = treeView.SelectedNode.Parent.Tag as IOptimizer;
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387 | else parentOptimizer = Content;
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388 |
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389 | parentExperiment = parentOptimizer as Experiment;
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390 | }
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391 |
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392 | treeView.Enabled = Content != null;
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393 | if (parentOptimizer != null) {
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394 | detailsViewHost.ReadOnly = parentOptimizer.ExecutionState == ExecutionState.Started;
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395 | detailsViewHost.Locked = parentOptimizer.ExecutionState == ExecutionState.Started;
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396 | }
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397 |
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398 | addButton.Enabled = Content != null && !Locked && !ReadOnly &&
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399 | (treeView.SelectedNode == null || experiment != null || batchRun != null || algorithm != null);
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400 | moveUpButton.Enabled = Content != null && !Locked && !ReadOnly &&
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401 | treeView.SelectedNode != null && treeView.SelectedNode.PrevNode != null && parentExperiment != null;
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402 | moveDownButton.Enabled = Content != null && !Locked && !ReadOnly &&
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403 | treeView.SelectedNode != null && treeView.SelectedNode.NextNode != null && parentExperiment != null;
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404 | removeButton.Enabled = Content != null && !Locked && !ReadOnly && optimizer != null;
|
---|
405 | }
|
---|
406 |
|
---|
407 | private void UpdateOptimizerTreeView() {
|
---|
408 | treeView.Nodes.Clear();
|
---|
409 | UpdateChildTreeNodes(treeView.Nodes, Content);
|
---|
410 | RebuildImageList();
|
---|
411 | }
|
---|
412 |
|
---|
413 | private void UpdateChildTreeNodes(TreeNodeCollection collection, IOptimizer optimizer) {
|
---|
414 | var batchRun = optimizer as BatchRun;
|
---|
415 | var experiment = optimizer as Experiment;
|
---|
416 |
|
---|
417 | if (batchRun != null && batchRun.Optimizer != null) UpdateChildTreeNodes(collection, new List<IOptimizer>() { batchRun.Optimizer });
|
---|
418 | else if (experiment != null) UpdateChildTreeNodes(collection, experiment.Optimizers);
|
---|
419 | }
|
---|
420 | private void UpdateChildTreeNodes(TreeNodeCollection collection, IEnumerable<IOptimizer> optimizers) {
|
---|
421 | foreach (IOptimizer optimizer in optimizers) {
|
---|
422 | var node = CreateTreeNode(optimizer);
|
---|
423 | collection.Add(node);
|
---|
424 | UpdateChildTreeNodes(node.Nodes, optimizer);
|
---|
425 | }
|
---|
426 | }
|
---|
427 |
|
---|
428 |
|
---|
429 | #region drag & drop
|
---|
430 | private void optimizerTreeView_ItemDrag(object sender, ItemDragEventArgs e) {
|
---|
431 | if (Locked) return;
|
---|
432 |
|
---|
433 | TreeNode selectedNode = (TreeNode)e.Item;
|
---|
434 | var item = (IItem)selectedNode.Tag;
|
---|
435 | if (item == null) return;
|
---|
436 |
|
---|
437 | DataObject data = new DataObject();
|
---|
438 | data.SetData(HeuristicLab.Common.Constants.DragDropDataFormat, item);
|
---|
439 | validDragOperation = true;
|
---|
440 |
|
---|
441 | if (ReadOnly || !(item is IOptimizer)) {
|
---|
442 | DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link);
|
---|
443 | } else {
|
---|
444 | DragDropEffects result = DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link | DragDropEffects.Move);
|
---|
445 | if ((result & DragDropEffects.Move) == DragDropEffects.Move) {
|
---|
446 | var optimizer = (IOptimizer)item;
|
---|
447 | if (selectedNode.Parent == null) Content.Optimizers.Remove(optimizer);
|
---|
448 | else {
|
---|
449 | var parentOptimizer = (IOptimizer)selectedNode.Parent.Tag;
|
---|
450 | var parentBatchRun = parentOptimizer as BatchRun;
|
---|
451 | var parentExperiment = parentOptimizer as Experiment;
|
---|
452 | if (parentBatchRun != null) parentBatchRun.Optimizer = null;
|
---|
453 | else if (parentExperiment != null) parentExperiment.Optimizers.Remove(optimizer);
|
---|
454 | else throw new NotSupportedException("Handling for specific type not implemented" + parentOptimizer.GetType());
|
---|
455 | }
|
---|
456 | }
|
---|
457 | }
|
---|
458 | }
|
---|
459 |
|
---|
460 | private bool validDragOperation = false;
|
---|
461 | private void optimizerTreeView_DragEnter(object sender, DragEventArgs e) {
|
---|
462 | validDragOperation = false;
|
---|
463 | if (!ReadOnly) {
|
---|
464 | var data = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat);
|
---|
465 | if (data is IOptimizer) validDragOperation = true;
|
---|
466 | else if (data is IProblem) validDragOperation = true;
|
---|
467 | else if (data is IEnumerable) {
|
---|
468 | IEnumerable items = (IEnumerable)data;
|
---|
469 | validDragOperation = true;
|
---|
470 | foreach (object item in items)
|
---|
471 | validDragOperation = validDragOperation && (item is IOptimizer);
|
---|
472 | }
|
---|
473 | }
|
---|
474 | }
|
---|
475 | private void optimizerTreeView_DragOver(object sender, DragEventArgs e) {
|
---|
476 | e.Effect = DragDropEffects.None;
|
---|
477 | if (!validDragOperation) return;
|
---|
478 | Point coordinates = treeView.PointToClient(new Point(e.X, e.Y));
|
---|
479 | TreeNode node = treeView.GetNodeAt(coordinates);
|
---|
480 | Experiment experiment = null;
|
---|
481 | BatchRun batchRun = null;
|
---|
482 | Algorithm algorithm = null;
|
---|
483 |
|
---|
484 | if (node == null) experiment = Content;
|
---|
485 | else {
|
---|
486 | experiment = node.Tag as Experiment;
|
---|
487 | batchRun = node.Tag as BatchRun;
|
---|
488 | algorithm = node.Tag as Algorithm;
|
---|
489 | }
|
---|
490 |
|
---|
491 | if (batchRun == null && experiment == null && algorithm == null) return;
|
---|
492 |
|
---|
493 | var data = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat);
|
---|
494 |
|
---|
495 | if (algorithm != null) {
|
---|
496 | var problem = data as IProblem;
|
---|
497 | if (problem == null) return;
|
---|
498 | if (!algorithm.ProblemType.IsAssignableFrom(problem.GetType())) return;
|
---|
499 | } else if (batchRun != null) {
|
---|
500 | var optimizer = data as IOptimizer;
|
---|
501 | if (optimizer == null) return;
|
---|
502 | if (batchRun == optimizer) return;
|
---|
503 | if (optimizer.NestedOptimizers.Contains(batchRun)) return;
|
---|
504 | } //do not allow recursive nesting of contents
|
---|
505 | else if (experiment != null) {
|
---|
506 | var optimizer = data as IOptimizer;
|
---|
507 | IEnumerable<IOptimizer> optimizers = null;
|
---|
508 | var enumerable = data as IEnumerable;
|
---|
509 | if (enumerable != null) optimizers = enumerable.Cast<IOptimizer>();
|
---|
510 | if (experiment == optimizer) return;
|
---|
511 | if (optimizer != null && optimizer.NestedOptimizers.Contains(experiment)) return;
|
---|
512 | if (optimizers != null && optimizers.Any(x => x.NestedOptimizers.Contains(experiment))) return;
|
---|
513 | }
|
---|
514 |
|
---|
515 | if ((e.KeyState & 32) == 32 && e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link; // ALT key
|
---|
516 | else if ((e.KeyState & 4) == 4 && e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move; // SHIFT key
|
---|
517 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Copy)) e.Effect = DragDropEffects.Copy;
|
---|
518 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move;
|
---|
519 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link;
|
---|
520 | }
|
---|
521 |
|
---|
522 | private void optimizerTreeView_DragDrop(object sender, DragEventArgs e) {
|
---|
523 | Point coordinates = treeView.PointToClient(new Point(e.X, e.Y));
|
---|
524 | TreeNode node = treeView.GetNodeAt(coordinates);
|
---|
525 | Algorithm algorithm = null;
|
---|
526 | BatchRun batchRun = null;
|
---|
527 | Experiment experiment = null;
|
---|
528 |
|
---|
529 | if (node == null) experiment = Content;
|
---|
530 | else {
|
---|
531 | algorithm = node.Tag as Algorithm;
|
---|
532 | batchRun = node.Tag as BatchRun;
|
---|
533 | experiment = node.Tag as Experiment;
|
---|
534 | }
|
---|
535 |
|
---|
536 | var data = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat);
|
---|
537 | if (data is IProblem) {
|
---|
538 | var problem = (IProblem)data;
|
---|
539 | if (e.Effect.HasFlag(DragDropEffects.Copy)) problem = (IProblem)problem.Clone();
|
---|
540 | algorithm.Problem = problem;
|
---|
541 | } else if (data is IOptimizer) {
|
---|
542 | IOptimizer optimizer = (IOptimizer)data;
|
---|
543 | if (e.Effect.HasFlag(DragDropEffects.Copy)) optimizer = (IOptimizer)optimizer.Clone();
|
---|
544 | if (batchRun != null) batchRun.Optimizer = optimizer;
|
---|
545 | else if (experiment != null) experiment.Optimizers.Add(optimizer);
|
---|
546 | else throw new NotSupportedException("Handling for specific type not implemented" + node.Tag.GetType());
|
---|
547 | } else if (data is IEnumerable) {
|
---|
548 | IEnumerable<IOptimizer> optimizers = ((IEnumerable)data).Cast<IOptimizer>();
|
---|
549 | if (e.Effect.HasFlag(DragDropEffects.Copy)) {
|
---|
550 | Cloner cloner = new Cloner();
|
---|
551 | optimizers = optimizers.Select(o => cloner.Clone(o));
|
---|
552 | }
|
---|
553 | if (experiment != null) experiment.Optimizers.AddRange(optimizers);
|
---|
554 | else throw new NotSupportedException("Handling for specific type not implemented" + node.Tag.GetType());
|
---|
555 | }
|
---|
556 | }
|
---|
557 | #endregion
|
---|
558 |
|
---|
559 | #region control events
|
---|
560 | private void optimizerTreeView_NodeMouseDoubleClick(object sender, TreeNodeMouseClickEventArgs e) {
|
---|
561 | if (rightClickOccured) return;
|
---|
562 | if (e.X < e.Node.Bounds.Left || e.X > e.Node.Bounds.Right) return;
|
---|
563 | e.Node.Toggle();
|
---|
564 | IContent optimizer = (IContent)e.Node.Tag;
|
---|
565 | MainFormManager.MainForm.ShowContent(optimizer);
|
---|
566 | }
|
---|
567 | private void optimizerTreeview_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e) {
|
---|
568 | if (e.X < e.Node.Bounds.Left || e.X > e.Node.Bounds.Right) return;
|
---|
569 | treeView.SelectedNode = e.Node;
|
---|
570 | detailsViewHost.Content = (IContent)e.Node.Tag;
|
---|
571 | SetEnabledStateOfControls();
|
---|
572 | }
|
---|
573 | private void optimizerTreeView_MouseDown(object sender, MouseEventArgs e) {
|
---|
574 | // enables deselection of treeNodes
|
---|
575 | if (e.Button != MouseButtons.Right) rightClickOccured = false;
|
---|
576 | if (treeView.SelectedNode == null) return;
|
---|
577 | Point coordinates = new Point(e.X, e.Y);
|
---|
578 | TreeNode node = treeView.GetNodeAt(coordinates);
|
---|
579 | if (node == null || coordinates.X < node.Bounds.Left || coordinates.X > node.Bounds.Right) {
|
---|
580 | treeView.SelectedNode = null;
|
---|
581 | detailsViewHost.Content = null;
|
---|
582 | SetEnabledStateOfControls();
|
---|
583 | }
|
---|
584 | }
|
---|
585 |
|
---|
586 |
|
---|
587 | private void optimizerTreeView_KeyDown(object sender, KeyEventArgs e) {
|
---|
588 | if (ReadOnly) return;
|
---|
589 | if (e.KeyCode != Keys.Delete) return;
|
---|
590 | if (treeView.SelectedNode == null) return;
|
---|
591 | if (!(treeView.SelectedNode.Tag is IOptimizer)) return;
|
---|
592 |
|
---|
593 | var treeNode = treeView.SelectedNode;
|
---|
594 | var optimizer = (IOptimizer)treeNode.Tag;
|
---|
595 |
|
---|
596 | if (treeNode.Parent == null)
|
---|
597 | Content.Optimizers.Remove(optimizer);
|
---|
598 | else {
|
---|
599 | var batchRun = treeNode.Parent.Tag as BatchRun;
|
---|
600 | var experiment = treeNode.Parent.Tag as Experiment;
|
---|
601 | if (batchRun != null) batchRun.Optimizer = null;
|
---|
602 | else if (experiment != null) experiment.Optimizers.Remove(optimizer);
|
---|
603 | else throw new NotSupportedException("Handling for specific type not implemented" + treeView.SelectedNode.Tag.GetType());
|
---|
604 | }
|
---|
605 | SetEnabledStateOfControls();
|
---|
606 | UpdateDetailsViewHost();
|
---|
607 | RebuildImageList();
|
---|
608 | }
|
---|
609 |
|
---|
610 | private bool rightClickOccured = true;
|
---|
611 | private TreeNode toolStripMenuNode = null;
|
---|
612 | private void optimizerTreeView_RightClick(object sender, EventArgs e) {
|
---|
613 | rightClickOccured = true;
|
---|
614 | Point coordinates = treeView.PointToClient(Cursor.Position);
|
---|
615 | toolStripMenuNode = treeView.GetNodeAt(coordinates);
|
---|
616 |
|
---|
617 | if (toolStripMenuNode != null && coordinates.X >= toolStripMenuNode.Bounds.Left && coordinates.X <= toolStripMenuNode.Bounds.Right) {
|
---|
618 | treeView.SelectedNode = toolStripMenuNode;
|
---|
619 | detailsViewHost.Content = (IContent)toolStripMenuNode.Tag;
|
---|
620 | SetEnabledStateOfControls();
|
---|
621 |
|
---|
622 | ExpandToolStripMenuItem.Enabled = !toolStripMenuNode.IsExpanded && toolStripMenuNode.Nodes.Count > 0;
|
---|
623 | ExpandToolStripMenuItem.Visible = !toolStripMenuNode.IsExpanded && toolStripMenuNode.Nodes.Count > 0;
|
---|
624 | CollapseToolStripMenuItem.Enabled = toolStripMenuNode.IsExpanded;
|
---|
625 | CollapseToolStripMenuItem.Visible = toolStripMenuNode.IsExpanded;
|
---|
626 | EditNodeLabelToolStripMenuItem.Enabled = toolStripMenuNode.Tag != null && toolStripMenuNode.Tag is INamedItem;
|
---|
627 | EditNodeLabelToolStripMenuItem.Visible = toolStripMenuNode.Tag != null && toolStripMenuNode.Tag is INamedItem;
|
---|
628 | if (contextMenuStrip.Items.Cast<ToolStripMenuItem>().Any(item => item.Enabled))
|
---|
629 | contextMenuStrip.Show(Cursor.Position);
|
---|
630 | }
|
---|
631 | }
|
---|
632 |
|
---|
633 | private void ExpandToolStripMenuItem_Click(object sender, EventArgs e) {
|
---|
634 | if (toolStripMenuNode != null) toolStripMenuNode.ExpandAll();
|
---|
635 | }
|
---|
636 | private void CollapseToolStripMenuItem_Click(object sender, EventArgs e) {
|
---|
637 | if (toolStripMenuNode != null) toolStripMenuNode.Collapse();
|
---|
638 | }
|
---|
639 | private void EditNodeLabelToolStripMenuItem_Click(object sender, EventArgs e) {
|
---|
640 | if (toolStripMenuNode != null) {
|
---|
641 | if (!toolStripMenuNode.IsEditing) toolStripMenuNode.BeginEdit();
|
---|
642 | }
|
---|
643 | }
|
---|
644 |
|
---|
645 |
|
---|
646 | private void treeView_BeforeLabelEdit(object sender, NodeLabelEditEventArgs e) {
|
---|
647 | if (Locked) e.CancelEdit = true;
|
---|
648 | if (ReadOnly) e.CancelEdit = true;
|
---|
649 | if (e.Node.Tag == null) e.CancelEdit = true;
|
---|
650 | if (!(e.Node.Tag is NamedItem)) e.CancelEdit = true;
|
---|
651 | }
|
---|
652 | private void treeView_AfterLabelEdit(object sender, NodeLabelEditEventArgs e) {
|
---|
653 | if (e.Label == null) return;
|
---|
654 |
|
---|
655 | e.Node.EndEdit(false);
|
---|
656 | var namedItem = (INamedItem)e.Node.Tag;
|
---|
657 | namedItem.Name = e.Label;
|
---|
658 | }
|
---|
659 |
|
---|
660 | private void addButton_Click(object sender, System.EventArgs e) {
|
---|
661 | if (typeSelectorDialog == null) typeSelectorDialog = new TypeSelectorDialog();
|
---|
662 |
|
---|
663 | IAlgorithm algorithm = null;
|
---|
664 | if (treeView.SelectedNode != null && (treeView.SelectedNode.Tag is IAlgorithm))
|
---|
665 | algorithm = (IAlgorithm)treeView.SelectedNode.Tag;
|
---|
666 |
|
---|
667 | if (algorithm == null) {
|
---|
668 | typeSelectorDialog.Caption = "Select Optimizer";
|
---|
669 | typeSelectorDialog.TypeSelector.Caption = "Available Optimizers";
|
---|
670 | typeSelectorDialog.TypeSelector.Configure(typeof(IOptimizer), false, true);
|
---|
671 | } else {
|
---|
672 | typeSelectorDialog.Caption = "Select Problem";
|
---|
673 | typeSelectorDialog.TypeSelector.Caption = "Available Problems";
|
---|
674 | typeSelectorDialog.TypeSelector.Configure(algorithm.ProblemType, false, true);
|
---|
675 | }
|
---|
676 |
|
---|
677 | if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
|
---|
678 | try {
|
---|
679 | if (algorithm == null) {
|
---|
680 | IOptimizer optimizer = (IOptimizer)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
|
---|
681 | if (treeView.SelectedNode == null) Content.Optimizers.Add(optimizer);
|
---|
682 | else {
|
---|
683 | var batchRun = treeView.SelectedNode.Tag as BatchRun;
|
---|
684 | var experiment = treeView.SelectedNode.Tag as Experiment;
|
---|
685 | if (batchRun != null) batchRun.Optimizer = optimizer;
|
---|
686 | else if (experiment != null) experiment.Optimizers.Add(optimizer);
|
---|
687 | else throw new NotSupportedException("Handling for specific type not implemented" + treeView.SelectedNode.Tag.GetType());
|
---|
688 | }
|
---|
689 | } else {
|
---|
690 | IProblem problem = (IProblem)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
|
---|
691 | algorithm.Problem = problem;
|
---|
692 | }
|
---|
693 | }
|
---|
694 | catch (Exception ex) {
|
---|
695 | ErrorHandling.ShowErrorDialog(this, ex);
|
---|
696 | }
|
---|
697 | }
|
---|
698 | }
|
---|
699 |
|
---|
700 | private void moveUpButton_Click(object sender, EventArgs e) {
|
---|
701 | var optimizer = (IOptimizer)treeView.SelectedNode.Tag;
|
---|
702 | Experiment experiment = null;
|
---|
703 | if (treeView.SelectedNode.Parent == null) experiment = Content;
|
---|
704 | else experiment = (Experiment)treeView.SelectedNode.Parent.Tag;
|
---|
705 |
|
---|
706 | int index = treeView.SelectedNode.Index;
|
---|
707 | experiment.Optimizers.Reverse(index - 1, 2);
|
---|
708 | treeView.SelectedNode = treeNodeTagMapping[optimizer].First();
|
---|
709 | SetEnabledStateOfControls();
|
---|
710 | UpdateDetailsViewHost();
|
---|
711 | RebuildImageList();
|
---|
712 | }
|
---|
713 | private void moveDownButton_Click(object sender, EventArgs e) {
|
---|
714 | var optimizer = (IOptimizer)treeView.SelectedNode.Tag;
|
---|
715 | Experiment experiment = null;
|
---|
716 | if (treeView.SelectedNode.Parent == null) experiment = Content;
|
---|
717 | else experiment = (Experiment)treeView.SelectedNode.Parent.Tag;
|
---|
718 |
|
---|
719 | int index = treeView.SelectedNode.Index;
|
---|
720 | experiment.Optimizers.Reverse(index, 2);
|
---|
721 | treeView.SelectedNode = treeNodeTagMapping[optimizer].First();
|
---|
722 | SetEnabledStateOfControls();
|
---|
723 | UpdateDetailsViewHost();
|
---|
724 | RebuildImageList();
|
---|
725 | }
|
---|
726 |
|
---|
727 | private void removeButton_Click(object sender, EventArgs e) {
|
---|
728 | var treeNode = treeView.SelectedNode;
|
---|
729 | var optimizer = treeNode.Tag as IOptimizer;
|
---|
730 |
|
---|
731 | if (treeNode.Parent == null)
|
---|
732 | Content.Optimizers.Remove(optimizer);
|
---|
733 | else {
|
---|
734 | var batchRun = treeNode.Parent.Tag as BatchRun;
|
---|
735 | var experiment = treeNode.Parent.Tag as Experiment;
|
---|
736 | if (batchRun != null) batchRun.Optimizer = null;
|
---|
737 | else if (experiment != null) experiment.Optimizers.Remove(optimizer);
|
---|
738 | else throw new NotSupportedException("Handling for specific type not implemented" + treeView.SelectedNode.Tag.GetType());
|
---|
739 | }
|
---|
740 | SetEnabledStateOfControls();
|
---|
741 | UpdateDetailsViewHost();
|
---|
742 | RebuildImageList();
|
---|
743 | }
|
---|
744 |
|
---|
745 | private void showDetailsCheckBox_CheckedChanged(object sender, System.EventArgs e) {
|
---|
746 | if (showDetailsCheckBox.Checked) {
|
---|
747 | splitContainer.Panel2Collapsed = false;
|
---|
748 | detailsGroupBox.Enabled = treeView.SelectedNode != null;
|
---|
749 | detailsViewHost.Content = treeView.SelectedNode != null ? (IContent)treeView.SelectedNode.Tag : null;
|
---|
750 | } else {
|
---|
751 | splitContainer.Panel2Collapsed = true;
|
---|
752 | detailsViewHost.Content = null;
|
---|
753 | }
|
---|
754 | }
|
---|
755 | #endregion
|
---|
756 |
|
---|
757 | #region helpers
|
---|
758 | private void UpdateDetailsViewHost() {
|
---|
759 | if (treeView.SelectedNode != null)
|
---|
760 | detailsViewHost.Content = (IContent)treeView.SelectedNode.Tag;
|
---|
761 | else
|
---|
762 | detailsViewHost.Content = null;
|
---|
763 | }
|
---|
764 |
|
---|
765 | private TreeNode CreateTreeNode(IOptimizer optimizer) {
|
---|
766 | TreeNode node = new TreeNode(optimizer.ToString());
|
---|
767 | node.Tag = optimizer;
|
---|
768 |
|
---|
769 | var algorithm = optimizer as IAlgorithm;
|
---|
770 | if (algorithm != null) {
|
---|
771 | foreach (TreeNode childNode in CreateAlgorithmChildNodes(algorithm))
|
---|
772 | node.Nodes.Add(childNode);
|
---|
773 | }
|
---|
774 |
|
---|
775 | List<TreeNode> nodes;
|
---|
776 | if (!treeNodeTagMapping.TryGetValue(optimizer, out nodes)) {
|
---|
777 | nodes = new List<TreeNode>();
|
---|
778 | treeNodeTagMapping.Add(optimizer, nodes);
|
---|
779 | RegisterNamedItemEvents(optimizer);
|
---|
780 | }
|
---|
781 | nodes.Add(node);
|
---|
782 |
|
---|
783 | foreach (TreeNode childNode in node.Nodes) {
|
---|
784 | NamedItem namedItem = childNode.Tag as NamedItem;
|
---|
785 | if (namedItem != null) {
|
---|
786 | if (!treeNodeTagMapping.TryGetValue(namedItem, out nodes)) {
|
---|
787 | nodes = new List<TreeNode>();
|
---|
788 | treeNodeTagMapping.Add(namedItem, nodes);
|
---|
789 | RegisterNamedItemEvents(namedItem);
|
---|
790 | }
|
---|
791 | nodes.Add(childNode);
|
---|
792 | }
|
---|
793 | }
|
---|
794 | return node;
|
---|
795 | }
|
---|
796 |
|
---|
797 | private IEnumerable<TreeNode> CreateAlgorithmChildNodes(IAlgorithm algorithm) {
|
---|
798 | TreeNode problemNode;
|
---|
799 | if (algorithm.Problem != null) {
|
---|
800 | problemNode = new TreeNode(algorithm.Problem.Name);
|
---|
801 | problemNode.Tag = algorithm.Problem;
|
---|
802 | } else {
|
---|
803 | problemNode = new TreeNode("No Problem");
|
---|
804 | problemNode.Tag = null;
|
---|
805 | }
|
---|
806 | TreeNode parametersNode = new TreeNode("Parameters");
|
---|
807 | parametersNode.Tag = algorithm.Parameters;
|
---|
808 | TreeNode resultsNode = new TreeNode("Results");
|
---|
809 | resultsNode.Tag = algorithm.Results;
|
---|
810 |
|
---|
811 | yield return problemNode;
|
---|
812 | yield return parametersNode;
|
---|
813 | yield return resultsNode;
|
---|
814 | }
|
---|
815 |
|
---|
816 | private void DisposeTreeNode(TreeNode node) {
|
---|
817 | var namedItem = node.Tag as INamedItem;
|
---|
818 | if (namedItem == null) return;
|
---|
819 |
|
---|
820 | List<TreeNode> nodes;
|
---|
821 | if (!treeNodeTagMapping.TryGetValue(namedItem, out nodes))
|
---|
822 | throw new ArgumentException();
|
---|
823 | nodes.Remove(node);
|
---|
824 | if (nodes.Count == 0) {
|
---|
825 | treeNodeTagMapping.Remove(namedItem);
|
---|
826 | DeregisterNamedItemEvents(namedItem);
|
---|
827 | }
|
---|
828 | }
|
---|
829 |
|
---|
830 | private IEnumerable<TreeNode> IterateTreeNodes(TreeNode node = null) {
|
---|
831 | TreeNodeCollection nodes;
|
---|
832 | if (node == null)
|
---|
833 | nodes = treeView.Nodes;
|
---|
834 | else {
|
---|
835 | nodes = node.Nodes;
|
---|
836 | yield return node;
|
---|
837 | }
|
---|
838 |
|
---|
839 | foreach (var childNode in nodes.OfType<TreeNode>())
|
---|
840 | foreach (var n in IterateTreeNodes(childNode))
|
---|
841 | yield return n;
|
---|
842 | }
|
---|
843 |
|
---|
844 | private void RebuildImageList() {
|
---|
845 | if (InvokeRequired) {
|
---|
846 | Invoke((Action)RebuildImageList);
|
---|
847 | return;
|
---|
848 | }
|
---|
849 |
|
---|
850 | treeView.BeginUpdate();
|
---|
851 |
|
---|
852 | treeView.ImageList.Images.Clear();
|
---|
853 | var topLevelNodes = treeView.Nodes.OfType<TreeNode>().ToArray();
|
---|
854 | var nodes = IterateTreeNodes().ToList();
|
---|
855 | treeView.Nodes.Clear();
|
---|
856 |
|
---|
857 | foreach (TreeNode treeNode in nodes) {
|
---|
858 | var item = (IItem)treeNode.Tag;
|
---|
859 | treeView.ImageList.Images.Add(item == null ? HeuristicLab.Common.Resources.VSImageLibrary.Nothing : item.ItemImage);
|
---|
860 | treeNode.ImageIndex = treeView.ImageList.Images.Count - 1;
|
---|
861 | }
|
---|
862 | treeView.Nodes.AddRange(topLevelNodes);
|
---|
863 | treeView.EndUpdate();
|
---|
864 | }
|
---|
865 | #endregion
|
---|
866 |
|
---|
867 |
|
---|
868 | public sealed class CustomTreeView : System.Windows.Forms.TreeView {
|
---|
869 | protected override void WndProc(ref System.Windows.Forms.Message m) {
|
---|
870 | const int WM_RBUTTONDOWN = 0x204;
|
---|
871 | if (m.Msg == WM_RBUTTONDOWN) {
|
---|
872 | //Raise your custom event right click event to prevent node highlighting
|
---|
873 | OnRightClick();
|
---|
874 | return;
|
---|
875 | }
|
---|
876 | base.WndProc(ref m);
|
---|
877 | }
|
---|
878 |
|
---|
879 | public event EventHandler RightClick;
|
---|
880 | private void OnRightClick() {
|
---|
881 | var handler = RightClick;
|
---|
882 | if (handler != null) RightClick(this, EventArgs.Empty);
|
---|
883 | }
|
---|
884 | }
|
---|
885 | }
|
---|
886 | }
|
---|