#region License Information /* HeuristicLab * Copyright (C) 2002-2010 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 System.Collections; using System.Text; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; using System.Collections.Generic; namespace HeuristicLab.Data { [Item("StringArray", "Represents an array of strings.")] [StorableClass] public class StringArray : Item, IEnumerable, IStringConvertibleArray { [Storable] protected string[] array; public virtual int Length { get { return array.Length; } protected set { if (value != Length) { Array.Resize(ref array, value); OnReset(); } } } public virtual string this[int index] { get { return array[index]; } set { if (value != array[index]) { if ((value != null) || (array[index] != string.Empty)) { array[index] = value != null ? value : string.Empty; OnItemChanged(index); } } } } public StringArray() { array = new string[0]; } public StringArray(int length) { array = new string[length]; for (int i = 0; i < array.Length; i++) array[i] = string.Empty; } public StringArray(string[] elements) { if (elements == null) throw new ArgumentNullException(); array = new string[elements.Length]; for (int i = 0; i < array.Length; i++) array[i] = elements[i] == null ? string.Empty : elements[i]; } public override IDeepCloneable Clone(Cloner cloner) { StringArray clone = new StringArray(); cloner.RegisterClonedObject(this, clone); clone.array = (string[])array.Clone(); return clone; } public override string ToString() { StringBuilder sb = new StringBuilder(); sb.Append("["); if (array.Length > 0) { sb.Append(array[0]); for (int i = 1; i < array.Length; i++) sb.Append(";").Append(array[i]); } sb.Append("]"); return sb.ToString(); } public IEnumerator GetEnumerator() { return (IEnumerator)array.GetEnumerator(); } IEnumerator IEnumerable.GetEnumerator() { return ((IEnumerable)this).GetEnumerator(); } protected virtual bool Validate(string value, out string errorMessage) { if (value == null) { errorMessage = "Invalid Value (string must not be null)"; return false; } else { errorMessage = string.Empty; return true; } } protected virtual string GetValue(int index) { return this[index]; } protected virtual bool SetValue(string value, int index) { if (value != null) { this[index] = value; return true; } else { return false; } } public event EventHandler> ItemChanged; protected virtual void OnItemChanged(int index) { if (ItemChanged != null) ItemChanged(this, new EventArgs(index)); OnToStringChanged(); } public event EventHandler Reset; protected virtual void OnReset() { if (Reset != null) Reset(this, EventArgs.Empty); OnToStringChanged(); } #region IStringConvertibleArray Members int IStringConvertibleArray.Length { get { return Length; } set { Length = value; } } bool IStringConvertibleArray.Validate(string value, out string errorMessage) { return Validate(value, out errorMessage); } string IStringConvertibleArray.GetValue(int index) { return GetValue(index); } bool IStringConvertibleArray.SetValue(string value, int index) { return SetValue(value, index); } #endregion } }