[2653] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[2790] | 3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2653] | 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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[2830] | 23 | using System.Linq;
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[2653] | 24 | using System.Collections;
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| 25 | using System.Collections.Generic;
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| 26 | using System.Collections.ObjectModel;
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| 27 | using System.Text;
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| 28 | using System.Drawing;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 | using HeuristicLab.Common.Resources;
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| 31 | using HeuristicLab.Collections;
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| 32 |
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| 33 |
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| 34 | namespace HeuristicLab.Core {
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| 35 | [EmptyStorableClass]
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| 36 | [Item("ItemList<T>", "Represents a list of items.")]
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| 37 | public class ItemList<T> : ObservableList<T>, IItem where T : class, IItem {
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| 38 | [Storable(Name = "RestoreEvents")]
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| 39 | private object RestoreEvents {
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| 40 | get { return null; }
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| 41 | set {
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| 42 | foreach (T item in this)
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| 43 | if (item != null) item.Changed += new ChangedEventHandler(Item_Changed);
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| 44 | }
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| 45 | }
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| 46 |
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| 47 | public virtual string ItemName {
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| 48 | get { return ItemAttribute.GetName(this.GetType()); }
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| 49 | }
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| 50 | public virtual string ItemDescription {
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| 51 | get { return ItemAttribute.GetDescription(this.GetType()); }
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| 52 | }
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| 53 | public virtual Image ItemImage {
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| 54 | get { return VS2008ImageLibrary.Class; }
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| 55 | }
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| 56 |
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| 57 | public ItemList() : base() { }
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| 58 | public ItemList(int capacity) : base(capacity) { }
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[2830] | 59 | public ItemList(IEnumerable<T> collection) : base(collection) {
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| 60 | foreach (T item in this)
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[2833] | 61 | if (item != null) item.Changed += new ChangedEventHandler(Item_Changed);
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[2830] | 62 | }
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[2653] | 63 |
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| 64 | public object Clone() {
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| 65 | return Clone(new Cloner());
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| 66 | }
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| 67 |
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[2830] | 68 | public virtual IDeepCloneable Clone(Cloner cloner) {
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| 69 | ItemList<T> clone = (ItemList<T>)Activator.CreateInstance(this.GetType(), this.Select(x => (T)cloner.Clone(x)));
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[2653] | 70 | cloner.RegisterClonedObject(this, clone);
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| 71 | return clone;
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| 72 | }
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| 73 |
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| 74 | public override string ToString() {
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| 75 | return ItemName;
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| 76 | }
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| 77 |
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| 78 | public event ChangedEventHandler Changed;
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| 79 | protected void OnChanged() {
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| 80 | OnChanged(new ChangedEventArgs());
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| 81 | }
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| 82 | protected virtual void OnChanged(ChangedEventArgs e) {
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| 83 | if ((e.RegisterChangedObject(this)) && (Changed != null))
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| 84 | Changed(this, e);
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| 85 | }
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| 86 |
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| 87 | protected override void OnItemsAdded(IEnumerable<IndexedItem<T>> items) {
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| 88 | foreach (IndexedItem<T> item in items)
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| 89 | if (item.Value != null) item.Value.Changed += new ChangedEventHandler(Item_Changed);
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| 90 | base.OnItemsAdded(items);
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| 91 | }
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| 92 | protected override void OnItemsRemoved(IEnumerable<IndexedItem<T>> items) {
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| 93 | foreach (IndexedItem<T> item in items)
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| 94 | if (item.Value != null) item.Value.Changed -= new ChangedEventHandler(Item_Changed);
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| 95 | base.OnItemsRemoved(items);
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| 96 | }
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| 97 | protected override void OnItemsReplaced(IEnumerable<IndexedItem<T>> items, IEnumerable<IndexedItem<T>> oldItems) {
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| 98 | foreach (IndexedItem<T> oldItem in oldItems)
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| 99 | if (oldItem.Value != null) oldItem.Value.Changed -= new ChangedEventHandler(Item_Changed);
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| 100 | foreach (IndexedItem<T> item in items)
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| 101 | if (item.Value != null) item.Value.Changed += new ChangedEventHandler(Item_Changed);
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| 102 | base.OnItemsReplaced(items, oldItems);
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| 103 | }
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| 104 | protected override void OnCollectionReset(IEnumerable<IndexedItem<T>> items, IEnumerable<IndexedItem<T>> oldItems) {
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| 105 | foreach (IndexedItem<T> oldItem in oldItems)
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| 106 | if (oldItem.Value != null) oldItem.Value.Changed -= new ChangedEventHandler(Item_Changed);
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| 107 | foreach (IndexedItem<T> item in items)
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| 108 | if (item.Value != null) item.Value.Changed += new ChangedEventHandler(Item_Changed);
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| 109 | base.OnCollectionReset(items, oldItems);
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| 110 | }
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| 111 | protected override void OnPropertyChanged(string propertyName) {
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| 112 | base.OnPropertyChanged(propertyName);
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| 113 | OnChanged();
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| 114 | }
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| 115 |
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| 116 | private void Item_Changed(object sender, ChangedEventArgs e) {
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| 117 | OnChanged(e);
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| 118 | }
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| 119 | }
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| 120 | }
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