1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2008 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 | using System;
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22 | using System.Collections.Generic;
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23 | using System.Linq;
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24 | using System.Text;
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25 |
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26 | namespace HeuristicLab.Common {
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27 | public class ObservableCollection<T> : ICollection<T> {
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28 | private List<T> list;
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29 |
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30 | public ObservableCollection() {
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31 | list = new List<T>();
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32 | }
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33 |
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34 | #region Events
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35 | public event EventHandler CollectionCleared;
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36 | protected void FireCollectionCleared() {
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37 | OnCollectionCleared();
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38 | }
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39 | protected virtual void OnCollectionCleared() {
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40 | if (CollectionCleared != null)
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41 | CollectionCleared(this, new EventArgs());
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42 | }
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43 |
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44 | public event EventHandler<EnumerableEventArgs<T>> ItemsAdded;
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45 | protected void FireItemsAdded(IEnumerable<T> addedItems) {
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46 | OnItemsAdded(addedItems);
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47 | }
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48 | protected virtual void OnItemsAdded(IEnumerable<T> addedItems) {
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49 | if (ItemsAdded != null)
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50 | ItemsAdded(this, new EnumerableEventArgs<T>(addedItems));
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51 | }
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52 |
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53 | public event EventHandler<EnumerableEventArgs<T>> ItemsRemoved;
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54 | protected void FireItemsRemoved(IEnumerable<T> removedItems) {
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55 | OnItemsRemoved(removedItems);
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56 | }
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57 | protected virtual void OnItemsRemoved(IEnumerable<T> removedItems) {
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58 | if (ItemsRemoved != null)
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59 | ItemsRemoved(this, new EnumerableEventArgs<T>(removedItems));
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60 | }
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61 | #endregion
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62 |
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63 | #region ICollection<T> Members
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64 | public void Add(T item) {
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65 | this.list.Add(item);
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66 | FireItemsAdded(new List<T> { item });
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67 | }
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68 |
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69 | public void AddRange(IEnumerable<T> items) {
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70 | this.list.AddRange(items);
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71 | FireItemsAdded(items);
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72 | }
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73 |
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74 | public void Clear() {
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75 | this.list.Clear();
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76 | FireCollectionCleared();
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77 | }
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78 |
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79 | public bool Contains(T item) {
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80 | return this.list.Contains(item);
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81 | }
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82 |
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83 | public void CopyTo(T[] array, int arrayIndex) {
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84 | this.list.CopyTo(array, arrayIndex);
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85 | }
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86 |
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87 | public int Count {
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88 | get { return this.list.Count; }
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89 | }
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90 |
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91 | public bool IsReadOnly {
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92 | get { return false; }
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93 | }
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94 |
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95 | public bool Remove(T item) {
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96 | bool ret = this.list.Remove(item);
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97 | if (ret)
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98 | FireItemsRemoved(new List<T> { item });
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99 | return ret;
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100 | }
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101 |
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102 | public void RemoveRange(IEnumerable<T> items) {
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103 | bool ret = false;
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104 | foreach (T item in items)
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105 | ret |= list.Remove(item);
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106 | if (ret)
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107 | FireItemsRemoved(items);
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108 | }
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109 |
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110 | #endregion
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111 |
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112 | #region IEnumerable<T> Members
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113 |
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114 | public IEnumerator<T> GetEnumerator() {
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115 | return list.GetEnumerator();
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116 | }
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117 |
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118 | #endregion
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119 |
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120 | #region IEnumerable Members
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121 |
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122 | System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() {
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123 | return list.GetEnumerator();
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124 | }
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125 |
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126 | #endregion
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127 | }
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128 | }
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