source: stable/HeuristicLab.Parameters/3.3/ConstrainedValueParameter.cs @ 17149

Last change on this file since 17149 was 17149, checked in by abeham, 2 months ago

#3005: merged to stable (16872, 16873, 16875, 16890)

File size: 3.3 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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.Linq;
24using HEAL.Attic;
25using HeuristicLab.Collections;
26using HeuristicLab.Common;
27using HeuristicLab.Core;
28
29namespace HeuristicLab.Parameters {
30  /// <summary>
31  /// A parameter whose value has to be chosen from a set of valid values.
32  /// </summary>
33  [Item("ConstrainedValueParameter", "A parameter whose value has to be chosen from a set of valid values.")]
34  [StorableType("A9B43259-2687-4AE8-9803-B58CE01B81EE")]
35  public class ConstrainedValueParameter<T> : OptionalConstrainedValueParameter<T> where T : class, IItem {
36    public override T Value {
37      get { return base.Value; }
38      set {
39        if ((value == null) && (ValidValues.Count > 0)) throw new ArgumentNullException();
40        base.Value = value;
41      }
42    }
43
44    [StorableConstructor]
45    protected ConstrainedValueParameter(StorableConstructorFlag _) : base(_) { }
46    protected ConstrainedValueParameter(ConstrainedValueParameter<T> original, Cloner cloner) : base(original, cloner) { }
47    public ConstrainedValueParameter() : base() { }
48    public ConstrainedValueParameter(string name) : base(name) { }
49    public ConstrainedValueParameter(string name, ItemSet<T> validValues) : base(name, validValues) { }
50    public ConstrainedValueParameter(string name, ItemSet<T> validValues, T value) : base(name, validValues, value) { }
51    public ConstrainedValueParameter(string name, string description) : base(name, description) { }
52    public ConstrainedValueParameter(string name, string description, ItemSet<T> validValues) : base(name, description, validValues) { }
53    public ConstrainedValueParameter(string name, string description, ItemSet<T> validValues, T value) : base(name, description, validValues, value) { }
54
55    public override IDeepCloneable Clone(Cloner cloner) {
56      return new ConstrainedValueParameter<T>(this, cloner);
57    }
58
59    protected override void ValidValues_ItemsAdded(object sender, CollectionItemsChangedEventArgs<T> e) {
60      if (Value == null) Value = ValidValues.First();
61    }
62    protected override void ValidValues_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<T> e) {
63      if ((Value != null) && !ValidValues.Contains(Value)) Value = ValidValues.FirstOrDefault();
64    }
65    protected override void ValidValues_CollectionReset(object sender, CollectionItemsChangedEventArgs<T> e) {
66      if ((Value != null) && !ValidValues.Contains(Value)) Value = ValidValues.FirstOrDefault();
67    }
68  }
69}
Note: See TracBrowser for help on using the repository browser.