1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2019 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 HEAL.Attic;
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27 | using HeuristicLab.PluginInfrastructure;
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28 |
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29 | namespace HeuristicLab.Clients.OKB.RunCreation {
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30 | [Item("ItemWrapper", "A wrapper which wraps an IItem.")]
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31 | [StorableType("27F3E8E3-AC7D-415E-BF16-7E05EF6E1549")]
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32 | [NonDiscoverableType]
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33 | public class ItemWrapper<T> : IItem where T : class, IItem {
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34 | private T wrappedItem;
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35 | protected virtual T WrappedItem {
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36 | get { return wrappedItem; }
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37 | set {
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38 | if (value == null) throw new ArgumentNullException("WrappedItem", "WrappedItem cannot be null.");
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39 | if (value != wrappedItem) {
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40 | DeregisterWrappedItemEvents();
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41 | wrappedItem = value;
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42 | RegisterWrappedItemEvents();
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43 |
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44 | OnToStringChanged();
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45 | OnItemImageChanged();
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46 | OnWrappedItemChanged();
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47 | }
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48 | }
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49 | }
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50 |
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51 | public virtual string ItemName {
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52 | get { return wrappedItem.ItemName; }
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53 | }
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54 | public virtual string ItemDescription {
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55 | get { return wrappedItem.ItemDescription; }
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56 | }
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57 | public Version ItemVersion {
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58 | get { return wrappedItem.ItemVersion; }
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59 | }
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60 | public virtual Image ItemImage {
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61 | get { return WrappedItem.ItemImage; }
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62 | }
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63 |
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64 | #region Persistence Properties
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65 | [Storable(Name = "WrappedItem")]
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66 | private T StorableWrappedItem {
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67 | get { return wrappedItem; }
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68 | set {
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69 | wrappedItem = value;
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70 | RegisterWrappedItemEvents();
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71 | }
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72 | }
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73 | #endregion
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74 |
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75 | [StorableConstructor]
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76 | protected ItemWrapper(StorableConstructorFlag _) { }
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77 | protected ItemWrapper(ItemWrapper<T> original, Cloner cloner) {
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78 | cloner.RegisterClonedObject(original, this);
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79 | wrappedItem = cloner.Clone(original.wrappedItem);
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80 | RegisterWrappedItemEvents();
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81 | }
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82 | public ItemWrapper(T item) {
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83 | if (item == null) throw new ArgumentNullException("item", "ItemWrapper cannot wrap a null reference.");
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84 | wrappedItem = item;
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85 | RegisterWrappedItemEvents();
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86 | }
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87 |
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88 | public object Clone() {
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89 | return Clone(new Cloner());
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90 | }
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91 | public virtual IDeepCloneable Clone(Cloner cloner) {
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92 | return new ItemWrapper<T>(this, cloner);
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93 | }
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94 |
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95 | public override string ToString() {
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96 | return wrappedItem.ToString();
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97 | }
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98 |
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99 | protected virtual void OnWrappedItemChanged() { }
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100 |
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101 | #region Events
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102 | public event EventHandler ItemImageChanged;
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103 | protected virtual void OnItemImageChanged() {
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104 | EventHandler handler = ItemImageChanged;
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105 | if (handler != null) handler(this, EventArgs.Empty);
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106 | }
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107 | public event EventHandler ToStringChanged;
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108 | protected virtual void OnToStringChanged() {
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109 | EventHandler handler = ToStringChanged;
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110 | if (handler != null) handler(this, EventArgs.Empty);
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111 | }
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112 |
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113 | protected virtual void RegisterWrappedItemEvents() {
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114 | WrappedItem.ToStringChanged += new EventHandler(WrappedItem_ToStringChanged);
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115 | WrappedItem.ItemImageChanged += new EventHandler(WrappedItem_ItemImageChanged);
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116 | }
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117 | protected virtual void DeregisterWrappedItemEvents() {
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118 | WrappedItem.ToStringChanged -= new EventHandler(WrappedItem_ToStringChanged);
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119 | WrappedItem.ItemImageChanged -= new EventHandler(WrappedItem_ItemImageChanged);
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120 | }
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121 |
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122 | protected virtual void WrappedItem_ToStringChanged(object sender, EventArgs e) {
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123 | OnToStringChanged();
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124 | }
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125 | protected virtual void WrappedItem_ItemImageChanged(object sender, EventArgs e) {
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126 | OnItemImageChanged();
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127 | }
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128 | #endregion
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129 | }
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130 | }
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