1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections;
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24 | using System.Text;
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25 | using HeuristicLab.Common;
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26 | using HeuristicLab.Core;
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27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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28 |
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29 | namespace HeuristicLab.Data {
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30 | [Item("StringMatrix", "Represents a matrix of strings.")]
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31 | [Creatable("Test")]
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32 | [StorableClass]
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33 | public class StringMatrix : Item, IEnumerable, IStringConvertibleMatrix {
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34 | [Storable]
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35 | protected string[,] matrix;
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36 |
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37 | public virtual int Rows {
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38 | get { return matrix.GetLength(0); }
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39 | protected set {
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40 | if (value != Rows) {
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41 | string[,] newMatrix = new string[value, Columns];
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42 | Array.Copy(matrix, newMatrix, Math.Min(value * Columns, matrix.Length));
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43 | matrix = newMatrix;
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44 | OnReset();
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45 | }
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46 | }
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47 | }
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48 | public virtual int Columns {
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49 | get { return matrix.GetLength(1); }
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50 | protected set {
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51 | if (value != Columns) {
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52 | string[,] newMatrix = new string[Rows, value];
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53 | for (int i = 0; i < Rows; i++)
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54 | Array.Copy(matrix, i * Columns, newMatrix, i * value, Math.Min(value, Columns));
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55 | matrix = newMatrix;
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56 | OnReset();
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57 | }
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58 | }
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59 | }
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60 | public virtual string this[int rowIndex, int columnIndex] {
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61 | get { return matrix[rowIndex, columnIndex]; }
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62 | set {
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63 | if (value != matrix[rowIndex, columnIndex]) {
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64 | if ((value != null) || (matrix[rowIndex, columnIndex] != string.Empty)) {
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65 | matrix[rowIndex, columnIndex] = value != null ? value : string.Empty;
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66 | OnItemChanged(rowIndex, columnIndex);
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67 | }
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68 | }
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69 | }
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70 | }
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71 |
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72 | public StringMatrix() {
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73 | matrix = new string[0, 0];
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74 | }
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75 | public StringMatrix(int rows, int columns) {
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76 | matrix = new string[rows, columns];
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77 | for (int i = 0; i < matrix.GetLength(0); i++) {
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78 | for (int j = 0; j < matrix.GetLength(1); j++)
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79 | matrix[i, j] = string.Empty;
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80 | }
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81 | }
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82 | public StringMatrix(string[,] elements) {
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83 | if (elements == null) throw new ArgumentNullException();
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84 | matrix = new string[elements.GetLength(0), elements.GetLength(1)];
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85 | for (int i = 0; i < matrix.GetLength(0); i++) {
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86 | for (int j = 0; j < matrix.GetLength(1); j++)
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87 | matrix[i, j] = elements[i, j] == null ? string.Empty : elements[i, j];
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88 | }
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89 | }
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90 |
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91 | public override IDeepCloneable Clone(Cloner cloner) {
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92 | StringMatrix clone = new StringMatrix();
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93 | cloner.RegisterClonedObject(this, clone);
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94 | clone.matrix = (string[,])matrix.Clone();
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95 | return clone;
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96 | }
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97 |
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98 | public override string ToString() {
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99 | StringBuilder sb = new StringBuilder();
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100 | sb.Append("[");
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101 | if (matrix.Length > 0) {
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102 | for (int i = 0; i < Rows; i++) {
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103 | sb.Append("[").Append(matrix[i, 0]);
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104 | for (int j = 1; j < Columns; j++)
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105 | sb.Append(";").Append(matrix[i, j]);
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106 | sb.Append("]");
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107 | }
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108 | }
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109 | sb.Append("]");
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110 | return sb.ToString();
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111 | }
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112 |
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113 | public virtual IEnumerator GetEnumerator() {
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114 | return matrix.GetEnumerator();
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115 | }
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116 |
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117 | protected virtual bool Validate(string value, out string errorMessage) {
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118 | if (value == null) {
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119 | errorMessage = "Invalid Value (string must not be null)";
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120 | return false;
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121 | } else {
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122 | errorMessage = string.Empty;
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123 | return true;
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124 | }
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125 | }
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126 | protected virtual string GetValue(int rowIndex, int columIndex) {
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127 | return this[rowIndex, columIndex];
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128 | }
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129 | protected virtual bool SetValue(string value, int rowIndex, int columnIndex) {
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130 | if (value != null) {
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131 | this[rowIndex, columnIndex] = value;
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132 | return true;
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133 | } else {
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134 | return false;
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135 | }
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136 | }
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137 |
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138 | public event EventHandler<EventArgs<int, int>> ItemChanged;
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139 | protected virtual void OnItemChanged(int rowIndex, int columnIndex) {
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140 | if (ItemChanged != null)
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141 | ItemChanged(this, new EventArgs<int, int>(rowIndex, columnIndex));
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142 | OnToStringChanged();
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143 | }
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144 | public event EventHandler Reset;
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145 | protected virtual void OnReset() {
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146 | if (Reset != null)
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147 | Reset(this, EventArgs.Empty);
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148 | OnToStringChanged();
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149 | }
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150 |
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151 | #region IStringConvertibleMatrix Members
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152 | int IStringConvertibleMatrix.Rows {
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153 | get { return Rows; }
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154 | set { Rows = value; }
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155 | }
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156 | int IStringConvertibleMatrix.Columns {
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157 | get { return Columns; }
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158 | set { Columns = value; }
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159 | }
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160 | bool IStringConvertibleMatrix.Validate(string value, out string errorMessage) {
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161 | return Validate(value, out errorMessage);
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162 | }
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163 | string IStringConvertibleMatrix.GetValue(int rowIndex, int columIndex) {
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164 | return GetValue(rowIndex, columIndex);
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165 | }
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166 | bool IStringConvertibleMatrix.SetValue(string value, int rowIndex, int columnIndex) {
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167 | return SetValue(value, rowIndex, columnIndex);
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168 | }
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169 | #endregion
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170 | }
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171 | }
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