1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2013 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 HeuristicLab.Common;
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24 |
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25 | namespace HeuristicLab.MainForm {
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26 | public class Progress : IProgress {
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27 | private string status;
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28 | public string Status {
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29 | get { return status; }
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30 | set {
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31 | if (status != value) {
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32 | status = value;
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33 | OnStatusChanged();
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34 | }
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35 | }
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36 | }
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37 |
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38 | private double progressValue;
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39 | public double ProgressValue {
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40 | get { return progressValue; }
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41 | set {
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42 | if (progressValue != value) {
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43 | progressValue = value;
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44 | OnProgressChanged();
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45 | }
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46 | }
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47 | }
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48 |
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49 | private ProgressState progressState;
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50 | public ProgressState ProgressState {
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51 | get { return progressState; }
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52 | set {
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53 | if (progressState != value) {
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54 | progressState = value;
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55 | OnProgressStateChanged();
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56 | }
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57 | }
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58 | }
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59 |
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60 | private bool canBeCanceled;
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61 | public bool CanBeCanceled {
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62 | get { return canBeCanceled; }
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63 | set {
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64 | if (canBeCanceled != value) {
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65 | canBeCanceled = value;
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66 | OnCanBeCanceledChanged();
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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 | public Progress() {
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72 | progressState = ProgressState.Finished;
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73 | canBeCanceled = false;
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74 | }
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75 | public Progress(string status)
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76 | : this() {
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77 | this.status = status;
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78 | }
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79 | public Progress(string status, ProgressState state)
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80 | : this() {
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81 | this.status = status;
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82 | this.progressState = state;
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83 | }
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84 |
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85 | public void Cancel(int timeoutMs = 0) {
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86 | if (canBeCanceled)
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87 | OnCancelRequested(timeoutMs);
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88 | }
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89 |
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90 | public void Finish() {
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91 | if (ProgressValue != 1.0) ProgressValue = 1.0;
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92 | ProgressState = ProgressState.Finished;
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93 | }
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94 |
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95 | public void Start() {
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96 | ProgressValue = 0.0;
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97 | ProgressState = ProgressState.Started;
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98 | }
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99 |
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100 | public void Start(string status) {
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101 | Start();
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102 | Status = status;
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103 | }
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104 |
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105 | #region Event Handler
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106 | public event EventHandler StatusChanged;
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107 | private void OnStatusChanged() {
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108 | var handler = StatusChanged;
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109 | if (handler != null) handler(this, EventArgs.Empty);
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110 | }
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111 |
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112 | public event EventHandler ProgressValueChanged;
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113 | private void OnProgressChanged() {
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114 | var handler = ProgressValueChanged;
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115 | if (handler != null) handler(this, EventArgs.Empty);
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116 | }
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117 |
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118 | public event EventHandler ProgressStateChanged;
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119 | private void OnProgressStateChanged() {
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120 | var handler = ProgressStateChanged;
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121 | if (handler != null) handler(this, EventArgs.Empty);
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122 | }
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123 |
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124 | public event EventHandler CanBeCanceledChanged;
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125 | private void OnCanBeCanceledChanged() {
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126 | var handler = CanBeCanceledChanged;
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127 | if (handler != null) handler(this, EventArgs.Empty);
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128 |
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129 | }
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130 |
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131 | public event EventHandler<EventArgs<int>> CancelRequested;
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132 | private void OnCancelRequested(int timeoutMs) {
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133 | var handler = CancelRequested;
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134 | if (handler != null) throw new NotSupportedException("Cancel request was ignored.");
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135 | else handler(this, new EventArgs<int>(timeoutMs));
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136 | }
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137 | #endregion
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138 | }
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139 | }
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