source: branches/PersistenceOverhaul/HeuristicLab.Collections/3.3/ReadOnlyObservableDictionary.cs @ 13368

Last change on this file since 13368 was 13368, checked in by ascheibe, 4 years ago

#2520 added guids to storable classes

File size: 7.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections;
24using System.Collections.Generic;
25using System.ComponentModel;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Collections {
29  [StorableClass("190E5220-C576-4C83-BFBC-1168227EDA38")]
30  [Serializable]
31  public class ReadOnlyObservableDictionary<TKey, TValue> : IObservableDictionary<TKey, TValue> {
32    [Storable]
33    protected IObservableDictionary<TKey, TValue> dict;
34
35    #region Properties
36    public ICollection<TKey> Keys {
37      get { return dict.Keys; }
38    }
39    public ICollection<TValue> Values {
40      get { return dict.Values; }
41    }
42    public int Count {
43      get { return dict.Count; }
44    }
45    bool ICollection<KeyValuePair<TKey, TValue>>.IsReadOnly {
46      get { return true; }
47    }
48
49    public TValue this[TKey key] {
50      get { return dict[key]; }
51    }
52    TValue IDictionary<TKey, TValue>.this[TKey key] {
53      get { return dict[key]; }
54      set { throw new NotSupportedException(); }
55    }
56    #endregion
57
58    #region Constructors
59    protected ReadOnlyObservableDictionary() { }
60    public ReadOnlyObservableDictionary(IObservableDictionary<TKey, TValue> dictionary) {
61      if (dictionary == null) throw new ArgumentNullException();
62      dict = dictionary;
63      RegisterEvents();
64    }
65    [StorableConstructor]
66    protected ReadOnlyObservableDictionary(bool deserializing) { }
67
68    [StorableHook(HookType.AfterDeserialization)]
69    private void AfterDeserialization() {
70      RegisterEvents();
71    }
72    #endregion
73
74    #region Access
75    public bool ContainsKey(TKey key) {
76      return dict.ContainsKey(key);
77    }
78    bool ICollection<KeyValuePair<TKey, TValue>>.Contains(KeyValuePair<TKey, TValue> item) {
79      return dict.Contains(item);
80    }
81
82    public bool TryGetValue(TKey key, out TValue value) {
83      return dict.TryGetValue(key, out value);
84    }
85    #endregion
86
87    #region Manipulation
88    void IDictionary<TKey, TValue>.Add(TKey key, TValue value) {
89      throw new NotSupportedException();
90    }
91    void ICollection<KeyValuePair<TKey, TValue>>.Add(KeyValuePair<TKey, TValue> item) {
92      throw new NotSupportedException();
93    }
94
95    bool IDictionary<TKey, TValue>.Remove(TKey key) {
96      throw new NotSupportedException();
97    }
98    bool ICollection<KeyValuePair<TKey, TValue>>.Remove(KeyValuePair<TKey, TValue> item) {
99      throw new NotSupportedException();
100    }
101
102    void ICollection<KeyValuePair<TKey, TValue>>.Clear() {
103      throw new NotSupportedException();
104    }
105    #endregion
106
107    #region Conversion
108    void ICollection<KeyValuePair<TKey, TValue>>.CopyTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex) {
109      ((ICollection<KeyValuePair<TKey, TValue>>)dict).CopyTo(array, arrayIndex);
110    }
111    #endregion
112
113    #region Enumeration
114    public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator() {
115      return dict.GetEnumerator();
116    }
117    IEnumerator IEnumerable.GetEnumerator() {
118      return ((IEnumerable)dict).GetEnumerator();
119    }
120    #endregion
121
122    #region Events
123    protected void RegisterEvents() {
124      dict.ItemsAdded += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_ItemsAdded);
125      dict.ItemsRemoved += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_ItemsRemoved);
126      dict.ItemsReplaced += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_ItemsReplaced);
127      dict.CollectionReset += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_CollectionReset);
128      dict.PropertyChanged += new PropertyChangedEventHandler(dict_PropertyChanged);
129    }
130
131    [field: NonSerialized]
132    public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> ItemsAdded;
133    protected virtual void OnItemsAdded(IEnumerable<KeyValuePair<TKey, TValue>> items) {
134      CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> handler = ItemsAdded;
135      if (handler != null) handler(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items));
136    }
137
138    [field: NonSerialized]
139    public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> ItemsRemoved;
140    protected virtual void OnItemsRemoved(IEnumerable<KeyValuePair<TKey, TValue>> items) {
141      CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> handler = ItemsRemoved;
142      if (handler != null) handler(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items));
143    }
144
145    [field: NonSerialized]
146    public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> ItemsReplaced;
147    protected virtual void OnItemsReplaced(IEnumerable<KeyValuePair<TKey, TValue>> items, IEnumerable<KeyValuePair<TKey, TValue>> oldItems) {
148      CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> handler = ItemsReplaced;
149      if (handler != null) handler(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items, oldItems));
150    }
151
152    [field: NonSerialized]
153    public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> CollectionReset;
154    protected virtual void OnCollectionReset(IEnumerable<KeyValuePair<TKey, TValue>> items, IEnumerable<KeyValuePair<TKey, TValue>> oldItems) {
155      CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> handler = CollectionReset;
156      if (handler != null) handler(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items, oldItems));
157    }
158
159    [field: NonSerialized]
160    public event PropertyChangedEventHandler PropertyChanged;
161    protected virtual void OnPropertyChanged(string propertyName) {
162      PropertyChangedEventHandler handler = PropertyChanged;
163      if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
164    }
165
166    private void dict_ItemsAdded(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
167      OnItemsAdded(e.Items);
168    }
169    private void dict_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
170      OnItemsRemoved(e.Items);
171    }
172    private void dict_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
173      OnItemsReplaced(e.Items, e.OldItems);
174    }
175    private void dict_CollectionReset(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
176      OnCollectionReset(e.Items, e.OldItems);
177    }
178    private void dict_PropertyChanged(object sender, PropertyChangedEventArgs e) {
179      if (e.PropertyName.Equals("Item[]") || e.PropertyName.Equals("Keys") || e.PropertyName.Equals("Values") || e.PropertyName.Equals("Count"))
180        OnPropertyChanged(e.PropertyName);
181    }
182    #endregion
183  }
184}
Note: See TracBrowser for help on using the repository browser.