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.Drawing;
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24 | using HeuristicLab.Common;
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25 | using HeuristicLab.Core;
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26 | using HeuristicLab.Data;
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27 | using HeuristicLab.Encodings.BinaryVectorEncoding;
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28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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29 |
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30 | namespace HeuristicLab.Problems.Knapsack {
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31 | /// <summary>
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32 | /// Represents a knapsack solution which can be visualized in the GUI.
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33 | /// </summary>
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34 | [Item("KnapsackSolution", "Represents a Knapsack solution which can be visualized in the GUI.")]
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35 | [StorableClass]
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36 | public class KnapsackSolution : Item {
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37 | public override Image ItemImage {
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38 | get { return HeuristicLab.Common.Resources.VSImageLibrary.Image; }
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39 | }
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40 |
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41 | [Storable]
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42 | private BinaryVector binaryVector;
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43 | public BinaryVector BinaryVector {
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44 | get { return binaryVector; }
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45 | set {
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46 | if (binaryVector != value) {
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47 | if (binaryVector != null) DeregisterBinaryVectorEvents();
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48 | binaryVector = value;
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49 | if (binaryVector != null) RegisterBinaryVectorEvents();
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50 | OnBinaryVectorChanged();
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51 | }
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52 | }
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53 | }
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54 |
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55 | [Storable]
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56 | private IntValue capacity;
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57 | public IntValue Capacity {
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58 | get { return capacity; }
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59 | set {
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60 | if (capacity != value) {
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61 | if (capacity != null) DeregisterCapacityEvents();
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62 | capacity = value;
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63 | if (capacity != null) RegisterCapacityEvents();
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64 | OnCapacityChanged();
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65 | }
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66 | }
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67 | }
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68 |
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69 | [Storable]
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70 | private IntArray weights;
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71 | public IntArray Weights {
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72 | get { return weights; }
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73 | set {
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74 | if (weights != value) {
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75 | if (weights != null) DeregisterWeightsEvents();
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76 | weights = value;
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77 | if (weights != null) RegisterWeightsEvents();
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78 | OnWeightsChanged();
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79 | }
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80 | }
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81 | }
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82 |
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83 | [Storable]
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84 | private IntArray values;
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85 | public IntArray Values {
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86 | get { return values; }
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87 | set {
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88 | if (values != value) {
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89 | if (values != null) DeregisterValuesEvents();
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90 | values = value;
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91 | if (values != null) RegisterValuesEvents();
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92 | OnValuesChanged();
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93 | }
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94 | }
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95 | }
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96 |
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97 | [Storable]
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98 | private DoubleValue quality;
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99 | public DoubleValue Quality {
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100 | get { return quality; }
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101 | set {
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102 | if (quality != value) {
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103 | if (quality != null) DeregisterQualityEvents();
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104 | quality = value;
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105 | if (quality != null) RegisterQualityEvents();
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106 | OnQualityChanged();
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107 | }
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108 | }
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109 | }
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110 |
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111 | [StorableConstructor]
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112 | protected KnapsackSolution(bool deserializing) : base(deserializing) { }
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113 | protected KnapsackSolution(KnapsackSolution original, Cloner cloner)
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114 | : base(original, cloner) {
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115 | this.binaryVector = cloner.Clone(original.binaryVector);
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116 | this.quality = cloner.Clone(original.quality);
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117 | this.capacity = cloner.Clone(original.capacity);
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118 | this.weights = cloner.Clone(original.weights);
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119 | this.values = cloner.Clone(original.values);
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120 | Initialize();
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121 | }
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122 | public override IDeepCloneable Clone(Cloner cloner) {
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123 | return new KnapsackSolution(this, cloner);
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124 | }
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125 | public KnapsackSolution() : base() { }
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126 | public KnapsackSolution(BinaryVector binaryVector, DoubleValue quality, IntValue capacity, IntArray weights, IntArray values)
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127 | : base() {
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128 | this.binaryVector = binaryVector;
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129 | this.capacity = capacity;
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130 | this.weights = weights;
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131 | this.values = values;
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132 | this.quality = quality;
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133 | Initialize();
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134 | }
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135 |
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136 | [StorableHook(HookType.AfterDeserialization)]
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137 | private void AfterDeserialization() {
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138 | Initialize();
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139 | }
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140 |
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141 | private void Initialize() {
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142 | if (binaryVector != null) RegisterBinaryVectorEvents();
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143 | if (quality != null) RegisterQualityEvents();
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144 | if (capacity != null) RegisterCapacityEvents();
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145 | if (weights != null) RegisterWeightsEvents();
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146 | if (values != null) RegisterValuesEvents();
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147 | }
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148 |
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149 | #region Events
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150 | public event EventHandler BinaryVectorChanged;
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151 | private void OnBinaryVectorChanged() {
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152 | var changed = BinaryVectorChanged;
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153 | if (changed != null)
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154 | changed(this, EventArgs.Empty);
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155 | }
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156 |
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157 | public event EventHandler CapacityChanged;
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158 | private void OnCapacityChanged() {
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159 | var changed = CapacityChanged;
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160 | if (changed != null)
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161 | changed(this, EventArgs.Empty);
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162 | }
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163 |
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164 | public event EventHandler WeightsChanged;
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165 | private void OnWeightsChanged() {
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166 | var changed = WeightsChanged;
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167 | if (changed != null)
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168 | changed(this, EventArgs.Empty);
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169 | }
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170 |
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171 | public event EventHandler ValuesChanged;
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172 | private void OnValuesChanged() {
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173 | var changed = ValuesChanged;
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174 | if (changed != null)
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175 | changed(this, EventArgs.Empty);
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176 | }
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177 |
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178 | public event EventHandler QualityChanged;
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179 | private void OnQualityChanged() {
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180 | var changed = QualityChanged;
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181 | if (changed != null)
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182 | changed(this, EventArgs.Empty);
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183 | }
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184 |
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185 | private void RegisterBinaryVectorEvents() {
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186 | BinaryVector.ItemChanged += new EventHandler<EventArgs<int>>(BinaryVector_ItemChanged);
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187 | BinaryVector.Reset += new EventHandler(BinaryVector_Reset);
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188 | }
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189 |
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190 | private void DeregisterBinaryVectorEvents() {
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191 | BinaryVector.ItemChanged -= new EventHandler<EventArgs<int>>(BinaryVector_ItemChanged);
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192 | BinaryVector.Reset -= new EventHandler(BinaryVector_Reset);
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193 | }
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194 |
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195 | private void RegisterCapacityEvents() {
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196 | Capacity.ValueChanged += new EventHandler(Capacity_ValueChanged);
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197 | }
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198 |
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199 | private void DeregisterCapacityEvents() {
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200 | Capacity.ValueChanged -= new EventHandler(Capacity_ValueChanged);
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201 | }
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202 |
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203 | private void RegisterWeightsEvents() {
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204 | Weights.ItemChanged += new EventHandler<EventArgs<int>>(Weights_ItemChanged);
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205 | Weights.Reset += new EventHandler(Weights_Reset);
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206 | }
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207 |
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208 | private void DeregisterWeightsEvents() {
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209 | Weights.ItemChanged -= new EventHandler<EventArgs<int>>(Weights_ItemChanged);
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210 | Weights.Reset -= new EventHandler(Weights_Reset);
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211 | }
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212 |
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213 | private void RegisterValuesEvents() {
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214 | Values.ItemChanged += new EventHandler<EventArgs<int>>(Values_ItemChanged);
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215 | Values.Reset += new EventHandler(Values_Reset);
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216 | }
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217 |
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218 | private void DeregisterValuesEvents() {
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219 | Values.ItemChanged -= new EventHandler<EventArgs<int>>(Values_ItemChanged);
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220 | Values.Reset -= new EventHandler(Values_Reset);
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221 | }
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222 |
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223 | private void RegisterQualityEvents() {
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224 | Quality.ValueChanged += new EventHandler(Quality_ValueChanged);
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225 | }
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226 | private void DeregisterQualityEvents() {
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227 | Quality.ValueChanged -= new EventHandler(Quality_ValueChanged);
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228 | }
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229 |
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230 | private void BinaryVector_ItemChanged(object sender, EventArgs<int> e) {
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231 | OnBinaryVectorChanged();
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232 | }
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233 | private void BinaryVector_Reset(object sender, EventArgs e) {
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234 | OnBinaryVectorChanged();
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235 | }
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236 | void Capacity_ValueChanged(object sender, EventArgs e) {
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237 | OnCapacityChanged();
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238 | }
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239 | private void Weights_ItemChanged(object sender, EventArgs<int> e) {
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240 | OnWeightsChanged();
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241 | }
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242 | private void Weights_Reset(object sender, EventArgs e) {
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243 | OnWeightsChanged();
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244 | }
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245 | private void Values_ItemChanged(object sender, EventArgs<int> e) {
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246 | OnValuesChanged();
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247 | }
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248 | private void Values_Reset(object sender, EventArgs e) {
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249 | OnValuesChanged();
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250 | }
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251 | private void Quality_ValueChanged(object sender, EventArgs e) {
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252 | OnQualityChanged();
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253 | }
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254 | #endregion
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255 | }
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256 | }
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