1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2015 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.Linq;
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25 | using HeuristicLab.Collections;
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26 | using HeuristicLab.Core;
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27 | using HeuristicLab.Core.Networks;
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28 | using HeuristicLab.Core.Networks.Views;
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29 | using HeuristicLab.MainForm;
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30 | using HeuristicLab.Networks.Views.NetworkVisualization.Views.ChartModes;
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31 | using HeuristicLab.Visualization;
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32 | using HeuristicLab.Visualization.ChartModes;
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33 |
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34 | namespace HeuristicLab.Networks.Views.NetworkVisualization.Views {
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35 | [View("Network Visualization View")]
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36 | [Content(typeof(Network), false)]
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37 | [Content(typeof(INetwork), false)]
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38 | public partial class NetworkVisualizationView : NetworkItemView {
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39 | private Dictionary<string, IPrimitive> primitiveDict = new Dictionary<string, IPrimitive>();
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40 |
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41 | public new INetwork Content {
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42 | get { return (INetwork)base.Content; }
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43 | set { base.Content = value; }
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44 | }
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45 |
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46 | public NetworkVisualizationView() {
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47 | InitializeComponent();
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48 |
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49 | var selectMode = new SelectChartMode(chartControl);
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50 | selectMode.SelectedPrimitivesChanged += SelectMode_SelectedPrimitivesChanged;
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51 | chartControl.AddChartModes(
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52 | selectMode,
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53 | new PanChartMode(chartControl),
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54 | new RulerChartMode(chartControl),
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55 | new ZoomInChartMode(chartControl),
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56 | new ZoomOutChartMode(chartControl),
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57 | new AddNodesChartMode(chartControl),
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58 | new AddPortsChartMode(chartControl),
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59 | new ConnectPortsChartMode(chartControl)
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60 | );
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61 | chartControl.Mode = selectMode;
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62 | }
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63 |
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64 | protected override void OnContentChanged() {
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65 | base.OnContentChanged();
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66 | UpdateContent();
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67 | chartControl.Tag = Content;
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68 | }
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69 |
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70 | protected override void RegisterContentEvents() {
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71 | base.RegisterContentEvents();
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72 | Content.Nodes.ItemsAdded += Nodes_ItemsAdded;
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73 | Content.Nodes.ItemsRemoved += Nodes_ItemsRemoved;
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74 | Content.Nodes.ItemsReplaced += Nodes_ItemsReplaced;
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75 | Content.Ports.ItemsAdded += Ports_ItemsAdded;
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76 | Content.Ports.ItemsRemoved += Ports_ItemsRemoved;
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77 | Content.Ports.ItemsReplaced += Ports_ItemsReplaced;
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78 | }
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79 |
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80 | protected override void DeregisterContentEvents() {
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81 | Content.Nodes.ItemsAdded -= Nodes_ItemsAdded;
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82 | Content.Nodes.ItemsRemoved -= Nodes_ItemsRemoved;
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83 | Content.Nodes.ItemsReplaced -= Nodes_ItemsReplaced;
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84 | Content.Ports.ItemsAdded -= Ports_ItemsAdded;
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85 | Content.Ports.ItemsRemoved -= Ports_ItemsRemoved;
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86 | Content.Ports.ItemsReplaced -= Ports_ItemsReplaced;
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87 | base.DeregisterContentEvents();
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88 | }
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89 |
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90 | #region Event Handlers
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91 | private void SelectMode_SelectedPrimitivesChanged(object sender, EventArgs e) {
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92 | var selectedPrimitives = chartControl.Chart.Group.SelectedPrimitives;
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93 | var nodePrimitive = selectedPrimitives.OfType<NodeRectangle>().SingleOrDefault();
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94 | viewHost.Content = nodePrimitive != null ? nodePrimitive.NetworkItem : null;
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95 | }
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96 |
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97 | #region Nodes Event Handlers
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98 | private void Nodes_ItemsAdded(object sender, CollectionItemsChangedEventArgs<INode> e) {
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99 | // TODO: don't update everything
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100 | UpdateContent();
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101 | }
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102 |
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103 | private void Nodes_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<INode> e) {
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104 | // TODO: don't update everything
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105 | UpdateContent();
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106 | }
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107 |
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108 | private void Nodes_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<INode> e) {
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109 | // TODO: don't update everything
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110 | UpdateContent();
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111 | }
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112 | #endregion
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113 |
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114 | #region Ports Event Handlers
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115 | private void Ports_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IPort> e) { }
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116 |
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117 | private void Ports_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IPort> e) { }
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118 |
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119 | private void Ports_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IPort> e) { }
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120 | #endregion
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121 |
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122 | private void detailsToggleButton_Click(object sender, EventArgs e) {
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123 | splitContainer.Panel2Collapsed = !splitContainer.Panel2Collapsed;
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124 | detailsToggleButton.Text = splitContainer.Panel2Collapsed ? "<" : ">";
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125 | }
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126 | #endregion
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127 |
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128 | #region Helpers
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129 | private void UpdateContent() {
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130 | if (Content == null) return;
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131 |
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132 | chartControl.SuspendRendering();
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133 | try {
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134 | chartControl.Chart.Group.Clear();
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135 | DrawNodes(Content.Nodes);
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136 | ConnectNodes(Content.Nodes);
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137 | } finally {
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138 | chartControl.ResumeRendering();
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139 | }
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140 | }
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141 |
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142 | private void DrawNodes(IKeyedItemCollection<string, INode> nodes) {
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143 | foreach (var node in nodes) {
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144 | var defaultPrimitive = PrimitiveAttribute.CreateDefaultPrimitive(node.GetType(), chartControl.Chart, node);
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145 | if (defaultPrimitive == null) continue;
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146 | chartControl.Chart.Group.Add(defaultPrimitive);
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147 | primitiveDict[node.Name] = defaultPrimitive;
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148 | }
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149 | }
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150 |
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151 | private void ConnectNodes(IKeyedItemCollection<string, INode> nodes) {
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152 | var chart = chartControl.Chart;
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153 | foreach (var node in nodes) {
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154 | var nodeRectangle = primitiveDict[node.Name] as NodeRectangle;
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155 | if (nodeRectangle == null) continue;
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156 |
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157 | foreach (var port in node.Ports.OfType<IConnectablePort>()) {
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158 | var connectedPort = port.ConnectedPort as IConnectablePort;
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159 | if (connectedPort == null) continue;
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160 |
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161 | var connectedNode = connectedPort.Parent;
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162 | if (connectedNode == null) continue;
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163 |
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164 | var connectedRectangle = primitiveDict[connectedNode.Name] as NodeRectangle;
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165 | if (connectedRectangle == null) continue;
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166 |
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167 | var leftPortRectangle = (PortRectangle)nodeRectangle.GetPortPrimitive(port);
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168 | var rightPortRectangle = (PortRectangle)connectedRectangle.GetPortPrimitive(connectedPort);
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169 |
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170 | var connectionShape = new ConnectionLine(chart, leftPortRectangle, rightPortRectangle);
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171 |
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172 | chart.Group.Add(connectionShape);
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173 | }
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174 | }
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175 | }
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176 | #endregion
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177 | }
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178 | }
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