#region License Information
/* HeuristicLab
* Copyright (C) 2002-2013 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.Drawing;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
namespace HeuristicLab.Data {
[Item("ValueTypeValue", "An abstract base class for representing values of value types.")]
[StorableClass]
public abstract class ValueTypeValue : Item where T : struct {
public static new Image StaticItemImage {
get { return HeuristicLab.Common.Resources.VSImageLibrary.ValueType; }
}
[Storable]
protected T value;
public virtual T Value {
get { return value; }
set {
if (ReadOnly) throw new NotSupportedException("Value cannot be set. ValueTypeValue is read-only.");
if (!value.Equals(this.value)) {
this.value = value;
OnValueChanged();
}
}
}
[Storable]
protected bool readOnly;
public virtual bool ReadOnly {
get { return readOnly; }
}
[StorableConstructor]
protected ValueTypeValue(bool deserializing) : base(deserializing) { }
protected ValueTypeValue(ValueTypeValue original, Cloner cloner)
: base(original, cloner) {
this.value = original.value;
this.readOnly = original.readOnly;
}
protected ValueTypeValue() {
this.value = default(T);
this.readOnly = false;
}
protected ValueTypeValue(T value) {
this.value = value;
this.readOnly = false;
}
public virtual ValueTypeValue AsReadOnly() {
ValueTypeValue readOnlyValueTypeValue = (ValueTypeValue)this.Clone();
readOnlyValueTypeValue.readOnly = true;
return readOnlyValueTypeValue;
}
public override string ToString() {
return value.ToString();
}
public event EventHandler ValueChanged;
protected virtual void OnValueChanged() {
if (ValueChanged != null)
ValueChanged(this, EventArgs.Empty);
OnToStringChanged();
}
}
}