1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections.Generic;
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24 | using System.ComponentModel;
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25 | using System.Drawing;
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26 | using System.Data;
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27 | using System.Linq;
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28 | using System.Text;
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29 | using System.Windows.Forms;
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30 | using HeuristicLab.MainForm;
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31 | using HeuristicLab.Core;
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32 | using HeuristicLab.Core.Views;
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33 | using Netron.Diagramming.Core;
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34 | using HeuristicLab.Parameters;
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35 | using HeuristicLab.MainForm.WindowsForms;
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36 | using HeuristicLab.Collections;
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37 | using System.Diagnostics;
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38 | using System.Threading;
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39 |
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40 | namespace HeuristicLab.Operators.Views.GraphVisualization {
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41 | [View("GraphVisualizationInfo View")]
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42 | [Content(typeof(GraphVisualizationInfo), false)]
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43 | public partial class GraphVisualizationInfoView : ContentView {
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44 | private BidirectionalLookup<IOperatorShapeInfo, IShape> shapeInfoShapeMapping;
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45 | private BidirectionalLookup<IOperatorShapeInfo, INotifyObservableDictionaryItemsChanged<string, IOperatorShapeInfo>> shapeInfoConnectionsMapping;
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46 | private BidirectionalLookup<IConnection, KeyValuePair<IConnector, IConnector>> connectionConnectorsMapping;
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47 |
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48 | private bool causedUpdateOfShapeInfo;
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49 | public GraphVisualizationInfoView() {
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50 | InitializeComponent();
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51 | this.causedUpdateOfShapeInfo = false;
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52 | this.shapeInfoShapeMapping = new BidirectionalLookup<IOperatorShapeInfo, IShape>();
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53 | this.shapeInfoConnectionsMapping = new BidirectionalLookup<IOperatorShapeInfo, INotifyObservableDictionaryItemsChanged<string, IOperatorShapeInfo>>();
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54 | this.connectionConnectorsMapping = new BidirectionalLookup<IConnection, KeyValuePair<IConnector, IConnector>>();
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55 | }
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56 |
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57 | public GraphVisualizationInfoView(GraphVisualizationInfo content)
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58 | : this() {
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59 | this.Content = content;
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60 | }
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61 |
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62 | public IController Controller {
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63 | get { return this.graphVisualization.Controller; }
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64 | }
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65 |
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66 | public new GraphVisualizationInfo Content {
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67 | get { return (GraphVisualizationInfo)base.Content; }
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68 | set { base.Content = value; }
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69 | }
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70 |
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71 | protected override void OnContentChanged() {
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72 | base.OnContentChanged();
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73 | this.UpdateContent();
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74 | }
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75 |
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76 | private void UpdateContent() {
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77 | foreach (IOperatorShapeInfo shapeInfo in this.shapeInfoShapeMapping.FirstValues)
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78 | this.RemoveShapeInfo(shapeInfo);
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79 |
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80 | this.shapeInfoShapeMapping.Clear();
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81 | this.shapeInfoConnectionsMapping.Clear();
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82 | this.connectionConnectorsMapping.Clear();
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83 |
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84 | foreach (IOperatorShapeInfo shapeInfo in this.Content.OperatorShapeInfos)
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85 | if (!this.shapeInfoShapeMapping.ContainsFirst(shapeInfo))
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86 | this.AddShapeInfo(shapeInfo);
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87 |
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88 | foreach (KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo> connection in this.Content.Connections)
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89 | this.AddConnection(connection.Key.Key, connection.Key.Value, connection.Value);
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90 |
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91 | this.UpdateLayoutRoot();
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92 | }
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93 |
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94 | private void UpdateLayoutRoot() {
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95 | IOperatorShapeInfo shapeInfo = this.Content.InitialShape;
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96 | if (shapeInfo != null)
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97 | this.graphVisualization.Controller.Model.LayoutRoot = this.shapeInfoShapeMapping.GetByFirst(shapeInfo);
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98 | else
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99 | this.graphVisualization.Controller.Model.LayoutRoot = null;
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100 | }
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101 |
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102 | private void VisualizationInfo_InitialShapeChanged(object sender, EventArgs e) {
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103 | this.UpdateLayoutRoot();
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104 | }
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105 |
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106 | protected override void RegisterContentEvents() {
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107 | base.RegisterContentEvents();
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108 | this.Content.InitialShapeChanged += new EventHandler(VisualizationInfo_InitialShapeChanged);
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109 | this.Content.ObserveableShapeInfos.ItemsAdded += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IOperatorShapeInfo>(ShapeInfos_ItemsAdded);
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110 | this.Content.ObserveableShapeInfos.ItemsRemoved += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IOperatorShapeInfo>(ShapeInfos_ItemsRemoved);
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111 | this.Content.ObserveableShapeInfos.CollectionReset += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IOperatorShapeInfo>(ShapeInfos_CollectionReset);
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112 |
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113 | this.Content.ObservableConnections.ItemsAdded += new CollectionItemsChangedEventHandler<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>>(Connections_ItemsAdded);
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114 | this.Content.ObservableConnections.ItemsRemoved += new CollectionItemsChangedEventHandler<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>>(Connections_ItemsRemoved);
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115 | this.Content.ObservableConnections.ItemsReplaced += new CollectionItemsChangedEventHandler<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>>(Connections_ItemsReplaced);
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116 | this.Content.ObservableConnections.CollectionReset += new CollectionItemsChangedEventHandler<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>>(Connections_CollectionReset);
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117 | }
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118 |
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119 | protected override void DeregisterContentEvents() {
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120 | base.DeregisterContentEvents();
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121 | this.Content.InitialShapeChanged -= new EventHandler(VisualizationInfo_InitialShapeChanged);
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122 | this.Content.ObserveableShapeInfos.ItemsAdded -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IOperatorShapeInfo>(ShapeInfos_ItemsAdded);
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123 | this.Content.ObserveableShapeInfos.ItemsRemoved -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IOperatorShapeInfo>(ShapeInfos_ItemsRemoved);
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124 | this.Content.ObserveableShapeInfos.CollectionReset -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IOperatorShapeInfo>(ShapeInfos_CollectionReset);
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125 |
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126 | this.Content.ObservableConnections.ItemsAdded -= new CollectionItemsChangedEventHandler<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>>(Connections_ItemsAdded);
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127 | this.Content.ObservableConnections.ItemsRemoved -= new CollectionItemsChangedEventHandler<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>>(Connections_ItemsRemoved);
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128 | this.Content.ObservableConnections.ItemsReplaced -= new CollectionItemsChangedEventHandler<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>>(Connections_ItemsReplaced);
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129 | this.Content.ObservableConnections.CollectionReset -= new CollectionItemsChangedEventHandler<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>>(Connections_CollectionReset);
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130 | }
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131 |
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132 | private void ShapeInfos_CollectionReset(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IOperatorShapeInfo> e) {
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133 | foreach (IOperatorShapeInfo shapeInfo in e.OldItems)
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134 | this.RemoveShapeInfo(shapeInfo);
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135 | foreach (IOperatorShapeInfo shapeInfo in e.Items)
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136 | this.AddShapeInfo(shapeInfo);
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137 | }
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138 |
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139 | private void ShapeInfos_ItemsAdded(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IOperatorShapeInfo> e) {
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140 | foreach (IOperatorShapeInfo shapeInfo in e.Items)
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141 | this.AddShapeInfo(shapeInfo);
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142 | }
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143 |
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144 | private void ShapeInfos_ItemsRemoved(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IOperatorShapeInfo> e) {
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145 | foreach (IOperatorShapeInfo shapeInfo in e.Items)
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146 | this.RemoveShapeInfo(shapeInfo);
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147 | }
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148 |
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149 | private void AddShapeInfo(IOperatorShapeInfo shapeInfo) {
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150 | this.RegisterShapeInfoEvents(shapeInfo);
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151 |
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152 | IShape shape = shapeInfo.CreateShape();
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153 | shape.OnEntityChange += new EventHandler<EntityEventArgs>(shape_OnEntityChange);
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154 | this.shapeInfoShapeMapping.Add(shapeInfo, shape);
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155 |
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156 | this.graphVisualization.Controller.Model.AddShape(shape);
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157 | this.graphVisualization.Invalidate();
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158 | }
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159 |
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160 | private void RemoveShapeInfo(IOperatorShapeInfo shapeInfo) {
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161 | this.DeregisterShapeInfoEvents(shapeInfo);
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162 | IShape shape = this.shapeInfoShapeMapping.GetByFirst(shapeInfo);
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163 | shape.OnEntityChange -= new EventHandler<EntityEventArgs>(shape_OnEntityChange);
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164 |
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165 | IConnection connection;
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166 | foreach (IConnector connector in shape.Connectors) {
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167 | connection = this.GetConnection(shapeInfo, connector.Name);
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168 | this.RemoveConnection(connection);
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169 | }
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170 |
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171 | this.shapeInfoShapeMapping.RemoveByFirst(shapeInfo);
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172 | this.shapeInfoConnectionsMapping.RemoveByFirst(shapeInfo);
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173 |
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174 | if (this.graphVisualization.Controller.Model.Shapes.Contains(shape)) {
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175 | this.graphVisualization.Controller.Model.RemoveShape(shape);
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176 | }
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177 | this.graphVisualization.Invalidate();
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178 | }
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179 |
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180 | private void RegisterShapeInfoEvents(IShapeInfo shapeInfo) {
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181 | shapeInfo.Changed += new EventHandler(shapeInfo_Changed);
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182 | }
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183 |
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184 | private void DeregisterShapeInfoEvents(IShapeInfo shapeInfo) {
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185 | shapeInfo.Changed -= new EventHandler(shapeInfo_Changed);
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186 | }
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187 |
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188 | private void Connections_CollectionReset(object sender, CollectionItemsChangedEventArgs<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>> e) {
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189 | IConnection connection;
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190 | foreach (KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo> pair in e.Items) {
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191 | connection = this.GetConnection(pair.Key.Key, pair.Key.Value);
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192 | this.RemoveConnection(connection);
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193 | }
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194 | foreach (KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo> pair in e.Items)
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195 | this.AddConnection(pair.Key.Key, pair.Key.Value, pair.Value);
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196 | }
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197 |
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198 | private void Connections_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>> e) {
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199 | IConnection connection;
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200 | foreach (KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo> pair in e.Items) {
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201 | connection = this.GetConnection(pair.Key.Key, pair.Key.Value);
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202 | this.RemoveConnection(connection);
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203 | }
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204 | foreach (KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo> pair in e.Items)
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205 | this.AddConnection(pair.Key.Key, pair.Key.Value, pair.Value);
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206 | }
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207 |
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208 | private void Connections_ItemsAdded(object sender, CollectionItemsChangedEventArgs<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>> e) {
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209 | foreach (KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo> pair in e.Items)
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210 | this.AddConnection(pair.Key.Key, pair.Key.Value, pair.Value);
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211 | }
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212 |
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213 | private void Connections_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo>> e) {
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214 | IConnection connection;
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215 | foreach (KeyValuePair<KeyValuePair<IOperatorShapeInfo, string>, IOperatorShapeInfo> pair in e.Items) {
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216 | connection = this.GetConnection(pair.Key.Key, pair.Key.Value);
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217 | this.RemoveConnection(connection);
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218 | }
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219 | }
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220 |
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221 | private void AddConnection(IOperatorShapeInfo shapeInfoFrom, string connectorName, IOperatorShapeInfo shapeInfoTo) {
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222 | IShape shapeFrom = this.shapeInfoShapeMapping.GetByFirst(shapeInfoFrom);
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223 | IShape shapeTo = this.shapeInfoShapeMapping.GetByFirst(shapeInfoTo);
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224 |
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225 | IConnector connectorFrom = shapeFrom.Connectors.Where(c => c.Name == connectorName).First();
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226 | IConnector connectorTo = shapeTo.Connectors.Where(c => c.Name == "Predecessor").FirstOrDefault();
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227 | KeyValuePair<IConnector, IConnector> connectorPair = new KeyValuePair<IConnector, IConnector>(connectorFrom, connectorTo);
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228 | if (!this.connectionConnectorsMapping.ContainsSecond(connectorPair)) {
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229 | IConnection connection = Factory.CreateConnection(connectorFrom, connectorTo);
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230 | this.connectionConnectorsMapping.Add(connection, connectorPair);
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231 | this.graphVisualization.Controller.Model.AddConnection(connection);
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232 | this.graphVisualization.Invalidate();
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233 | }
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234 | }
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235 |
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236 | private IConnection GetConnection(IOperatorShapeInfo shapeInfoFrom, string connectorName) {
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237 | IShape shape = this.shapeInfoShapeMapping.GetByFirst(shapeInfoFrom);
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238 | IConnector connector = shape.Connectors.Where(c => c.Name == connectorName).First();
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239 |
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240 | if (!this.connectionConnectorsMapping.SecondValues.Any(p => p.Key == connector))
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241 | return null;
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242 |
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243 | KeyValuePair<IConnector, IConnector> connectorPair = this.connectionConnectorsMapping.SecondValues.Where(p => p.Key == connector).FirstOrDefault();
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244 | return this.connectionConnectorsMapping.GetBySecond(connectorPair);
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245 | }
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246 |
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247 | private void ChangeConnection(IOperatorShapeInfo shapeInfoFrom, string connectorName, IOperatorShapeInfo shapeInfoTo) {
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248 | IConnection connection = this.GetConnection(shapeInfoFrom, connectorName);
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249 | IShape shapeTo = this.shapeInfoShapeMapping.GetByFirst(shapeInfoFrom);
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250 | IConnector connectorTo = shapeTo.Connectors.Where(c => c.Name == "Predecessor").First();
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251 |
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252 | connection.To.DetachFromParent();
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253 | connection.To.AttachTo(connectorTo);
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254 | this.graphVisualization.Invalidate();
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255 | }
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256 |
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257 | private void RemoveConnection(IConnection connection) {
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258 | if (connection == null)
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259 | return;
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260 |
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261 | if (connection.From.AttachedTo != null)
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262 | connection.From.DetachFromParent();
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263 | if (connection.To.AttachedTo != null)
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264 | connection.To.DetachFromParent();
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265 |
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266 | if (this.connectionConnectorsMapping.ContainsFirst(connection))
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267 | this.connectionConnectorsMapping.RemoveByFirst(connection);
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268 | if (this.graphVisualization.Controller.Model.Connections.Contains(connection))
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269 | this.graphVisualization.Controller.Model.Remove(connection);
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270 | this.graphVisualization.Invalidate();
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271 | }
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272 |
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273 |
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274 | private void shapeInfo_Changed(object sender, EventArgs e) {
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275 | if (this.causedUpdateOfShapeInfo)
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276 | return;
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277 |
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278 | this.causedUpdateOfShapeInfo = true;
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279 | IOperatorShapeInfo shapeInfo = (IOperatorShapeInfo)sender;
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280 | IShape shape = this.shapeInfoShapeMapping.GetByFirst(shapeInfo);
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281 | shapeInfo.UpdateShape(shape);
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282 | shape.Invalidate();
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283 | this.causedUpdateOfShapeInfo = false;
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284 | }
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285 |
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286 |
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287 | private void shape_OnEntityChange(object sender, EntityEventArgs e) {
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288 | if (this.causedUpdateOfShapeInfo)
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289 | return;
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290 |
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291 | this.causedUpdateOfShapeInfo = true;
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292 | IShape shape = e.Entity as IShape;
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293 | IOperatorShapeInfo shapeInfo = this.shapeInfoShapeMapping.GetBySecond(shape);
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294 | shapeInfo.Location = shape.Location;
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295 |
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296 | OperatorShape operatorShape = shape as OperatorShape;
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297 | if (operatorShape != null)
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298 | shapeInfo.Collapsed = operatorShape.Collapsed;
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299 |
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300 | this.graphVisualization.Invalidate();
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301 | this.causedUpdateOfShapeInfo = false;
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302 | }
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303 |
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304 | private void graphVisualization_OnEntityAdded(object sender, EntityEventArgs e) {
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305 | IConnection connection = e.Entity as IConnection;
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306 | if (connection != null && !this.connectionConnectorsMapping.ContainsFirst(connection)) {
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307 | IConnector connectorFrom = connection.From.AttachedTo;
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308 | IConnector connectorTo = connection.To.AttachedTo;
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309 | this.RemoveConnection(connection); //is added again by the model events
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310 |
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311 | if (connectorFrom != null && connectorTo != null && connectorFrom.Name != "Predecessor") {
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312 | IShape shapeFrom = (IShape)connectorFrom.Parent;
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313 | IShape shapeTo = (IShape)connectorTo.Parent;
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314 | IOperatorShapeInfo shapeInfoFrom = this.shapeInfoShapeMapping.GetBySecond(shapeFrom);
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315 | IOperatorShapeInfo shapeInfoTo = this.shapeInfoShapeMapping.GetBySecond(shapeTo);
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316 | string connectorName = connectorFrom.Name;
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317 |
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318 | this.Content.AddConnection(shapeInfoFrom, connectorName, shapeInfoTo);
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319 | }
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320 | }
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321 | }
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322 |
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323 | private void graphVisualization_OnEntityRemoved(object sender, EntityEventArgs e) {
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324 | IShape shape = e.Entity as IShape;
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325 | if (shape != null && this.shapeInfoShapeMapping.ContainsSecond(shape)) {
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326 | IOperatorShapeInfo shapeInfo = this.shapeInfoShapeMapping.GetBySecond(shape);
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327 | this.Content.RemoveShapeInfo(shapeInfo);
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328 | }
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329 |
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330 | IConnection connection = e.Entity as IConnection;
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331 | if (connection != null && this.connectionConnectorsMapping.ContainsFirst(connection)) {
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332 | IShape parentShape = (IShape)connection.From.AttachedTo.Parent;
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333 | IOperatorShapeInfo shapeInfo = this.shapeInfoShapeMapping.GetBySecond(parentShape);
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334 | string connectorName = connection.From.AttachedTo.Name;
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335 |
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336 | this.Content.RemoveConnection(shapeInfo, connectorName);
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337 | }
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338 | }
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339 |
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340 | internal void RelayoutGraph() {
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341 | if (this.shapeInfoShapeMapping.Count > 0
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342 | && this.connectionConnectorsMapping.Count > 0
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343 | && this.Content.InitialShape != null) { //otherwise the layout does not work
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344 | string layoutName = "Standard TreeLayout";
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345 | this.graphVisualization.Controller.RunActivity(layoutName);
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346 | this.graphVisualization.Invalidate();
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347 |
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348 | //fix to avoid negative shape positions after layouting
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349 | Thread.Sleep(100);
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350 | int minX = this.graphVisualization.Controller.Model.Shapes.Min(s => s.Location.X);
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351 | int shiftX = minX < 0 ? Math.Abs(minX) + 50 : 0;
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352 | int minY = this.graphVisualization.Controller.Model.Shapes.Min(s => s.Location.Y);
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353 | int shiftY = minY < 0 ? Math.Abs(minY) + 50 : 0;
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354 | if (minX < 0 || minY < 0) {
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355 | foreach (IShape s in this.Controller.Model.Shapes)
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356 | s.MoveBy(new Point(shiftX, shiftY));
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357 | }
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358 | }
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359 | }
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360 | }
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361 | } |
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