#region License Information /* HeuristicLab * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using System; using System.Linq; using HEAL.Attic; using HeuristicLab.Collections; using HeuristicLab.Common; using HeuristicLab.Core; namespace HeuristicLab.Parameters { /// /// A parameter whose value has to be chosen from a set of valid values. /// [Item("ConstrainedValueParameter", "A parameter whose value has to be chosen from a set of valid values.")] [StorableType("A9B43259-2687-4AE8-9803-B58CE01B81EE")] public class ConstrainedValueParameter : OptionalConstrainedValueParameter where T : class, IItem { public override T Value { get { return base.Value; } set { if ((value == null) && (ValidValues.Count > 0)) throw new ArgumentNullException(); base.Value = value; } } [StorableConstructor] protected ConstrainedValueParameter(StorableConstructorFlag _) : base(_) { } protected ConstrainedValueParameter(ConstrainedValueParameter original, Cloner cloner) : base(original, cloner) { } public ConstrainedValueParameter() : base() { } public ConstrainedValueParameter(string name) : base(name) { } public ConstrainedValueParameter(string name, ItemSet validValues) : base(name, validValues) { } public ConstrainedValueParameter(string name, ItemSet validValues, T value) : base(name, validValues, value) { } public ConstrainedValueParameter(string name, string description) : base(name, description) { } public ConstrainedValueParameter(string name, string description, ItemSet validValues) : base(name, description, validValues) { } public ConstrainedValueParameter(string name, string description, ItemSet validValues, T value) : base(name, description, validValues, value) { } public override IDeepCloneable Clone(Cloner cloner) { return new ConstrainedValueParameter(this, cloner); } protected override void ValidValues_ItemsAdded(object sender, CollectionItemsChangedEventArgs e) { if (Value == null) Value = ValidValues.First(); } protected override void ValidValues_ItemsRemoved(object sender, CollectionItemsChangedEventArgs e) { if ((Value != null) && !ValidValues.Contains(Value)) Value = ValidValues.FirstOrDefault(); } protected override void ValidValues_CollectionReset(object sender, CollectionItemsChangedEventArgs e) { if ((Value != null) && !ValidValues.Contains(Value)) Value = ValidValues.FirstOrDefault(); } } }