source: branches/ParameterConfigurationEncoding/HeuristicLab.Encodings.ParameterConfigurationEncoding/3.3/TypeValue.cs @ 8665

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2012 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 <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.Drawing;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;

namespace HeuristicLab.Encodings.ParameterConfigurationEncoding {
  [Item("TypeValue", "Represents a type.")]
  [StorableClass]
  public class TypeValue : Item {
    public static new Image StaticItemImage {
      get { return HeuristicLab.Common.Resources.VSImageLibrary.Field; }
    }

    [Storable]
    protected Type value;
    public virtual Type Value {
      get { return value; }
      set {
        if (ReadOnly) throw new NotSupportedException("Value cannot be set. TypeValue is read-only.");
        if (!value.Equals(this.value)) {
          this.value = value;
          OnValueChanged();
        }
      }
    }

    [Storable]
    protected bool readOnly;
    public virtual bool ReadOnly {
      get { return readOnly; }
    }

    #region Constructors and Cloning
    [StorableConstructor]
    protected TypeValue(bool deserializing) : base(deserializing) { }
    protected TypeValue(TypeValue original, Cloner cloner)
      : base(original, cloner) {
      this.value = original.value;
      this.readOnly = original.readOnly;
    }
    public TypeValue()
      : base() {
      this.readOnly = false;
    }
    public TypeValue(Type value)
      : base() {
      this.Value = value;
      this.readOnly = false;
    }
    public override IDeepCloneable Clone(Cloner cloner) {
      return new TypeValue(this, cloner);
    }
    #endregion

    public virtual TypeValue AsReadOnly() {
      TypeValue readOnlyValueTypeValue = (TypeValue)this.Clone();
      readOnlyValueTypeValue.readOnly = true;
      return readOnlyValueTypeValue;
    }

    public override string ToString() {
      if (value == null) return "No Type information";
      return value.Name;
    }

    public event EventHandler ValueChanged;
    protected virtual void OnValueChanged() {
      if (ValueChanged != null)
        ValueChanged(this, EventArgs.Empty);
      OnToStringChanged();
    }
  }
}