1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2016 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.ComponentModel;
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26 | using HeuristicLab.Persistence;
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27 |
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28 | namespace HeuristicLab.Collections {
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29 | [StorableType("2a66af94-ed89-4d97-bd41-33f8365b99cf")]
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30 | [Serializable]
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31 | public class ReadOnlyObservableArray<T> : IObservableArray<T> {
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32 | [Storable]
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33 | protected IObservableArray<T> array;
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34 |
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35 | #region Properties
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36 | public int Length {
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37 | get { return array.Length; }
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38 | }
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39 | int ICollection<T>.Count {
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40 | get { return array.Count; }
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41 | }
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42 | bool ICollection<T>.IsReadOnly {
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43 | get { return true; }
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44 | }
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45 |
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46 | public T this[int index] {
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47 | get { return array[index]; }
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48 | }
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49 | T IList<T>.this[int index] {
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50 | get { return array[index]; }
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51 | set { throw new NotSupportedException(); }
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52 | }
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53 | #endregion
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54 |
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55 | #region Constructors
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56 | protected ReadOnlyObservableArray() { }
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57 | public ReadOnlyObservableArray(IObservableArray<T> array) {
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58 | if (array == null) throw new ArgumentNullException();
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59 | this.array = array;
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60 | RegisterEvents();
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61 | }
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62 | [StorableConstructor]
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63 | protected ReadOnlyObservableArray(StorableConstructorFlag deserializing) { }
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64 |
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65 | [StorableHook(HookType.AfterDeserialization)]
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66 | private void AfterDeserialization() {
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67 | RegisterEvents();
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68 | }
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69 | #endregion
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70 |
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71 | #region Access
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72 | public bool Contains(T item) {
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73 | return array.Contains(item);
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74 | }
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75 |
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76 | public int IndexOf(T item) {
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77 | return array.IndexOf(item);
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78 | }
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79 | #endregion
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80 |
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81 | #region Manipulation
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82 | void ICollection<T>.Add(T item) {
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83 | throw new NotSupportedException();
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84 | }
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85 |
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86 | void IList<T>.Insert(int index, T item) {
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87 | throw new NotSupportedException();
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88 | }
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89 |
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90 | bool ICollection<T>.Remove(T item) {
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91 | throw new NotSupportedException();
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92 | }
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93 | void IList<T>.RemoveAt(int index) {
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94 | throw new NotSupportedException();
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95 | }
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96 |
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97 | void ICollection<T>.Clear() {
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98 | throw new NotSupportedException();
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99 | }
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100 |
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101 | void IObservableArray<T>.Reverse() {
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102 | throw new NotSupportedException();
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103 | }
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104 | void IObservableArray<T>.Reverse(int index, int count) {
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105 | throw new NotSupportedException();
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106 | }
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107 | #endregion
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108 |
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109 | #region Conversion
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110 | public void CopyTo(T[] array, int arrayIndex) {
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111 | this.array.CopyTo(array, arrayIndex);
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112 | }
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113 | #endregion
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114 |
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115 | #region Enumeration
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116 | public IEnumerator<T> GetEnumerator() {
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117 | return array.GetEnumerator();
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118 | }
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119 | IEnumerator IEnumerable.GetEnumerator() {
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120 | return array.GetEnumerator();
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121 | }
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122 | #endregion
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123 |
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124 | #region Events
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125 | protected void RegisterEvents() {
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126 | array.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<T>>(array_ItemsReplaced);
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127 | array.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<T>>(array_ItemsMoved);
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128 | array.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<T>>(array_CollectionReset);
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129 | array.PropertyChanged += new PropertyChangedEventHandler(array_PropertyChanged);
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130 | }
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131 |
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132 | [field: NonSerialized]
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133 | public event CollectionItemsChangedEventHandler<IndexedItem<T>> ItemsReplaced;
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134 | protected virtual void OnItemsReplaced(IEnumerable<IndexedItem<T>> items, IEnumerable<IndexedItem<T>> oldItems) {
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135 | CollectionItemsChangedEventHandler<IndexedItem<T>> handler = ItemsReplaced;
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136 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
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137 | }
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138 |
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139 | [field: NonSerialized]
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140 | public event CollectionItemsChangedEventHandler<IndexedItem<T>> ItemsMoved;
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141 | protected virtual void OnItemsMoved(IEnumerable<IndexedItem<T>> items, IEnumerable<IndexedItem<T>> oldItems) {
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142 | CollectionItemsChangedEventHandler<IndexedItem<T>> handler = ItemsMoved;
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143 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
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144 | }
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145 |
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146 | [field: NonSerialized]
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147 | public event CollectionItemsChangedEventHandler<IndexedItem<T>> CollectionReset;
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148 | protected virtual void OnCollectionReset(IEnumerable<IndexedItem<T>> items, IEnumerable<IndexedItem<T>> oldItems) {
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149 | CollectionItemsChangedEventHandler<IndexedItem<T>> handler = CollectionReset;
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150 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
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151 | }
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152 |
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153 | [field: NonSerialized]
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154 | public event PropertyChangedEventHandler PropertyChanged;
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155 | protected virtual void OnPropertyChanged(string propertyName) {
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156 | PropertyChangedEventHandler handler = PropertyChanged;
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157 | if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
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158 | }
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159 |
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160 | private void array_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<T>> e) {
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161 | OnItemsReplaced(e.Items, e.OldItems);
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162 | }
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163 | private void array_ItemsMoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<T>> e) {
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164 | OnItemsMoved(e.Items, e.OldItems);
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165 | }
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166 | private void array_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<T>> e) {
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167 | OnCollectionReset(e.Items, e.OldItems);
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168 | }
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169 | private void array_PropertyChanged(object sender, PropertyChangedEventArgs e) {
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170 | if (e.PropertyName.Equals("Item[]") || e.PropertyName.Equals("Length"))
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171 | OnPropertyChanged(e.PropertyName);
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172 | }
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173 | #endregion
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174 | }
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175 | }
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