wasSharp – Blame information for rev 27
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10 | office | 1 | /////////////////////////////////////////////////////////////////////////// |
2 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
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3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
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4 | // rights of fair usage, the disclaimer and warranty conditions. // |
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5 | /////////////////////////////////////////////////////////////////////////// |
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6 | |||
7 | using System; |
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8 | using System.Collections.Generic; |
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9 | using System.Collections.ObjectModel; |
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10 | using System.Collections.Specialized; |
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11 | |||
12 | namespace wasSharp.Collections.Specialized |
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13 | { |
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14 | /// <summary> |
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15 | /// An observable collection allowing the add of a range of items. |
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16 | /// </summary> |
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17 | /// <typeparam name="T">the collection type</typeparam> |
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18 | public class ExtendedObservableCollection<T> : ObservableCollection<T> |
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19 | { |
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20 | private bool _suppressNotification; |
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21 | |||
22 | protected override void OnCollectionChanged(NotifyCollectionChangedEventArgs e) |
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23 | { |
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24 | if (!_suppressNotification) |
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25 | base.OnCollectionChanged(e); |
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26 | } |
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27 | |||
28 | public void AddRange(IEnumerable<T> list) |
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29 | { |
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30 | if (list == null) |
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31 | throw new ArgumentNullException(nameof(list)); |
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32 | |||
33 | _suppressNotification = true; |
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34 | |||
35 | foreach (var item in list) |
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36 | { |
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37 | Add(item); |
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38 | } |
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39 | _suppressNotification = false; |
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40 | OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset)); |
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41 | } |
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42 | } |
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27 | office | 43 | } |