[2924] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[14185] | 3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2924] | 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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[3341] | 23 | using System.Drawing;
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[2924] | 24 | using HeuristicLab.Collections;
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| 25 | using HeuristicLab.Common;
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| 26 | using HeuristicLab.Core;
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[14927] | 27 | using HeuristicLab.Persistence;
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[2924] | 28 |
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| 29 | namespace HeuristicLab.Parameters {
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| 30 | /// <summary>
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| 31 | /// A parameter whose value has to be chosen from a set of valid values or is null.
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| 32 | /// </summary>
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[3822] | 33 | [Item("OptionalConstrainedValueParameter", "A parameter whose value has to be chosen from a set of valid values or is null.")]
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[14927] | 34 | [StorableType("4a5d642b-38e2-462c-8592-335ae4095ce3")]
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[8121] | 35 | public class OptionalConstrainedValueParameter<T> : Parameter, IConstrainedValueParameter<T> where T : class, IItem {
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[3341] | 36 | public override Image ItemImage {
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| 37 | get {
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| 38 | if (value != null) return value.ItemImage;
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| 39 | else return base.ItemImage;
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| 40 | }
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| 41 | }
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[14927] | 42 |
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[3317] | 43 | [Storable]
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[2924] | 44 | private ItemSet<T> validValues;
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[8121] | 45 | public IItemSet<T> ValidValues {
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[2924] | 46 | get { return validValues; }
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| 47 | }
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| 48 |
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[3317] | 49 | [Storable]
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[2924] | 50 | private T value;
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| 51 | public virtual T Value {
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| 52 | get { return this.value; }
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| 53 | set {
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| 54 | if (value != this.value) {
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| 55 | if ((value != null) && !validValues.Contains(value)) throw new ArgumentException("Invalid value.");
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[3341] | 56 | DeregisterValueEvents();
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[2924] | 57 | this.value = value;
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[3341] | 58 | RegisterValueEvents();
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[2924] | 59 | OnValueChanged();
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| 60 | }
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| 61 | }
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| 62 | }
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| 63 | IItem IValueParameter.Value {
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| 64 | get { return Value; }
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| 65 | set {
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| 66 | T val = value as T;
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| 67 | if ((value != null) && (val == null))
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| 68 | throw new InvalidOperationException(
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| 69 | string.Format("Type mismatch. Value is not a \"{0}\".",
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| 70 | typeof(T).GetPrettyName())
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| 71 | );
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| 72 | Value = val;
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| 73 | }
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| 74 | }
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| 75 |
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[4332] | 76 | [Storable(DefaultValue = true)]
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| 77 | private bool getsCollected;
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| 78 | public bool GetsCollected {
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| 79 | get { return getsCollected; }
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| 80 | set {
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| 81 | if (value != getsCollected) {
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| 82 | getsCollected = value;
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| 83 | OnGetsCollectedChanged();
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| 84 | }
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| 85 | }
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| 86 | }
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| 87 |
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| 88 | #region Constructors
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[4722] | 89 | [StorableConstructor]
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[15018] | 90 | protected OptionalConstrainedValueParameter(StorableConstructorFlag deserializing) : base(deserializing) { }
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[4722] | 91 | protected OptionalConstrainedValueParameter(OptionalConstrainedValueParameter<T> original, Cloner cloner)
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| 92 | : base(original, cloner) {
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| 93 | validValues = cloner.Clone(original.validValues);
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| 94 | value = cloner.Clone(original.value);
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| 95 | getsCollected = original.getsCollected;
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| 96 | Initialize();
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| 97 | }
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[2924] | 98 | public OptionalConstrainedValueParameter()
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| 99 | : base("Anonymous", typeof(T)) {
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[3317] | 100 | this.validValues = new ItemSet<T>();
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[4332] | 101 | this.getsCollected = true;
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[3317] | 102 | Initialize();
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[2924] | 103 | }
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| 104 | public OptionalConstrainedValueParameter(string name)
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| 105 | : base(name, typeof(T)) {
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[3317] | 106 | this.validValues = new ItemSet<T>();
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[4332] | 107 | this.getsCollected = true;
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[3317] | 108 | Initialize();
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[2924] | 109 | }
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[4332] | 110 | public OptionalConstrainedValueParameter(string name, bool getsCollected)
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| 111 | : base(name, typeof(T)) {
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| 112 | this.validValues = new ItemSet<T>();
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| 113 | this.getsCollected = getsCollected;
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| 114 | Initialize();
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| 115 | }
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[2924] | 116 | public OptionalConstrainedValueParameter(string name, ItemSet<T> validValues)
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| 117 | : base(name, typeof(T)) {
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[3317] | 118 | this.validValues = validValues;
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[4332] | 119 | this.getsCollected = true;
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[3317] | 120 | Initialize();
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[2924] | 121 | }
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[4332] | 122 | public OptionalConstrainedValueParameter(string name, ItemSet<T> validValues, bool getsCollected)
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| 123 | : base(name, typeof(T)) {
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| 124 | this.validValues = validValues;
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| 125 | this.getsCollected = getsCollected;
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| 126 | Initialize();
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| 127 | }
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[2924] | 128 | public OptionalConstrainedValueParameter(string name, ItemSet<T> validValues, T value)
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| 129 | : base(name, typeof(T)) {
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[3317] | 130 | this.validValues = validValues;
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| 131 | this.value = value;
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[4332] | 132 | this.getsCollected = true;
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[3317] | 133 | Initialize();
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[2924] | 134 | }
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[4332] | 135 | public OptionalConstrainedValueParameter(string name, ItemSet<T> validValues, T value, bool getsCollected)
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| 136 | : base(name, typeof(T)) {
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| 137 | this.validValues = validValues;
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| 138 | this.value = value;
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| 139 | this.getsCollected = getsCollected;
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| 140 | Initialize();
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| 141 | }
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[2924] | 142 | public OptionalConstrainedValueParameter(string name, string description)
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| 143 | : base(name, description, typeof(T)) {
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[3317] | 144 | this.validValues = new ItemSet<T>();
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[4332] | 145 | this.getsCollected = true;
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[3317] | 146 | Initialize();
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[2924] | 147 | }
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[4332] | 148 | public OptionalConstrainedValueParameter(string name, string description, bool getsCollected)
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| 149 | : base(name, description, typeof(T)) {
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| 150 | this.validValues = new ItemSet<T>();
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| 151 | this.getsCollected = getsCollected;
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| 152 | Initialize();
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| 153 | }
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[2924] | 154 | public OptionalConstrainedValueParameter(string name, string description, ItemSet<T> validValues)
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| 155 | : base(name, description, typeof(T)) {
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[3317] | 156 | this.validValues = validValues;
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[4332] | 157 | this.getsCollected = true;
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[3317] | 158 | Initialize();
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[2924] | 159 | }
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[4332] | 160 | public OptionalConstrainedValueParameter(string name, string description, ItemSet<T> validValues, bool getsCollected)
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| 161 | : base(name, description, typeof(T)) {
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| 162 | this.validValues = validValues;
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| 163 | this.getsCollected = getsCollected;
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| 164 | Initialize();
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| 165 | }
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[2924] | 166 | public OptionalConstrainedValueParameter(string name, string description, ItemSet<T> validValues, T value)
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| 167 | : base(name, description, typeof(T)) {
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[3317] | 168 | this.validValues = validValues;
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| 169 | this.value = value;
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[4332] | 170 | this.getsCollected = true;
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[3317] | 171 | Initialize();
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[2924] | 172 | }
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[4332] | 173 | public OptionalConstrainedValueParameter(string name, string description, ItemSet<T> validValues, T value, bool getsCollected)
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| 174 | : base(name, description, typeof(T)) {
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| 175 | this.validValues = validValues;
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| 176 | this.value = value;
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| 177 | this.getsCollected = getsCollected;
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| 178 | Initialize();
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| 179 | }
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| 180 | #endregion
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[2924] | 181 |
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[3317] | 182 | [StorableHook(HookType.AfterDeserialization)]
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[4722] | 183 | private void AfterDeserialization() {
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| 184 | Initialize();
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| 185 | }
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| 186 |
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[3317] | 187 | private void Initialize() {
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| 188 | RegisterValidValuesEvents();
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[3341] | 189 | RegisterValueEvents();
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[3317] | 190 | }
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| 191 |
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[2924] | 192 | public override IDeepCloneable Clone(Cloner cloner) {
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[4722] | 193 | return new OptionalConstrainedValueParameter<T>(this, cloner);
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[2924] | 194 | }
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| 195 |
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| 196 | public override string ToString() {
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[3688] | 197 | return Name + ": " + (Value != null ? Value.ToString() : "null");
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[2924] | 198 | }
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| 199 |
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| 200 | protected override IItem GetActualValue() {
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| 201 | return Value;
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| 202 | }
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| 203 | protected override void SetActualValue(IItem value) {
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| 204 | ((IValueParameter)this).Value = value;
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| 205 | }
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| 206 |
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| 207 | public event EventHandler ValueChanged;
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| 208 | protected virtual void OnValueChanged() {
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[4332] | 209 | EventHandler handler = ValueChanged;
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| 210 | if (handler != null) handler(this, EventArgs.Empty);
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[3341] | 211 | OnItemImageChanged();
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[2932] | 212 | OnToStringChanged();
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[2924] | 213 | }
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[4332] | 214 | public event EventHandler GetsCollectedChanged;
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| 215 | protected virtual void OnGetsCollectedChanged() {
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| 216 | EventHandler handler = GetsCollectedChanged;
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| 217 | if (handler != null) handler(this, EventArgs.Empty);
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| 218 | }
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[2924] | 219 |
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| 220 | private void RegisterValidValuesEvents() {
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| 221 | if (validValues != null) {
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[3341] | 222 | validValues.ItemsAdded += new CollectionItemsChangedEventHandler<T>(ValidValues_ItemsAdded);
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[2924] | 223 | validValues.ItemsRemoved += new CollectionItemsChangedEventHandler<T>(ValidValues_ItemsRemoved);
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| 224 | validValues.CollectionReset += new CollectionItemsChangedEventHandler<T>(ValidValues_CollectionReset);
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| 225 | }
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| 226 | }
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| 227 | private void DeregisterValidValuesEvents() {
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| 228 | if (validValues != null) {
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[3341] | 229 | validValues.ItemsAdded -= new CollectionItemsChangedEventHandler<T>(ValidValues_ItemsAdded);
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[2924] | 230 | validValues.ItemsRemoved -= new CollectionItemsChangedEventHandler<T>(ValidValues_ItemsRemoved);
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| 231 | validValues.CollectionReset -= new CollectionItemsChangedEventHandler<T>(ValidValues_CollectionReset);
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| 232 | }
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| 233 | }
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[3341] | 234 | protected virtual void ValidValues_ItemsAdded(object sender, CollectionItemsChangedEventArgs<T> e) { }
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[2924] | 235 | protected virtual void ValidValues_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<T> e) {
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| 236 | if ((Value != null) && !validValues.Contains(Value)) Value = null;
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| 237 | }
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| 238 | protected virtual void ValidValues_CollectionReset(object sender, CollectionItemsChangedEventArgs<T> e) {
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| 239 | if ((Value != null) && !validValues.Contains(Value)) Value = null;
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| 240 | }
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[3341] | 241 |
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| 242 | private void RegisterValueEvents() {
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| 243 | if (value != null) {
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| 244 | value.ItemImageChanged += new EventHandler(Value_ItemImageChanged);
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| 245 | value.ToStringChanged += new EventHandler(Value_ToStringChanged);
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| 246 | }
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| 247 | }
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| 248 | private void DeregisterValueEvents() {
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| 249 | if (value != null) {
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| 250 | value.ItemImageChanged -= new EventHandler(Value_ItemImageChanged);
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| 251 | value.ToStringChanged -= new EventHandler(Value_ToStringChanged);
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| 252 | }
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| 253 | }
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| 254 | private void Value_ItemImageChanged(object sender, EventArgs e) {
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| 255 | OnItemImageChanged();
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| 256 | }
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| 257 | private void Value_ToStringChanged(object sender, EventArgs e) {
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[2932] | 258 | OnToStringChanged();
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[2924] | 259 | }
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| 260 | }
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| 261 | }
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