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source: stable/HeuristicLab.MainForm/3.3/Progress.cs @ 9933

Last change on this file since 9933 was 9933, checked in by ascheibe, 11 years ago

#1042 merged r9849, r9851, r9865, r9867, r9868, r9893, r9894, r9895, r9896, r9900, r9901, r9905, r9907 into stable branch

File size: 3.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23
24namespace HeuristicLab.MainForm {
25  public class Progress : IProgress {
26    private string status;
27    public string Status {
28      get { return status; }
29      set {
30        if (status != value) {
31          status = value;
32          OnStatusChanged();
33        }
34      }
35    }
36
37    private double progressValue;
38    public double ProgressValue {
39      get { return progressValue; }
40      set {
41        if (progressValue != value) {
42          progressValue = value;
43          OnProgressChanged();
44        }
45      }
46    }
47
48    private ProgressState progressState;
49    public ProgressState ProgressState {
50      get { return progressState; }
51      private set {
52        if (progressState != value) {
53          progressState = value;
54          OnProgressStateChanged();
55        }
56      }
57    }
58
59    private bool canBeCanceled;
60    public bool CanBeCanceled {
61      get { return canBeCanceled; }
62      set {
63        if (canBeCanceled != value) {
64          canBeCanceled = value;
65          OnCanBeCanceledChanged();
66        }
67      }
68    }
69
70    public Progress() {
71      progressState = ProgressState.Finished;
72      canBeCanceled = false;
73    }
74    public Progress(string status)
75      : this() {
76      this.status = status;
77    }
78    public Progress(string status, ProgressState state)
79      : this() {
80      this.status = status;
81      this.progressState = state;
82    }
83
84    public void Cancel() {
85      if (canBeCanceled)
86        OnCancelRequested();
87    }
88
89    public void Finish() {
90      if (ProgressValue != 1.0) ProgressValue = 1.0;
91      ProgressState = ProgressState.Finished;
92    }
93
94    public void Start() {
95      ProgressValue = 0.0;
96      ProgressState = ProgressState.Started;
97    }
98
99    public void Start(string status) {
100      Start();
101      Status = status;
102    }
103
104    #region Event Handler
105    public event EventHandler StatusChanged;
106    private void OnStatusChanged() {
107      var handler = StatusChanged;
108      if (handler != null) handler(this, EventArgs.Empty);
109    }
110
111    public event EventHandler ProgressValueChanged;
112    private void OnProgressChanged() {
113      var handler = ProgressValueChanged;
114      if (handler != null) handler(this, EventArgs.Empty);
115    }
116
117    public event EventHandler ProgressStateChanged;
118    private void OnProgressStateChanged() {
119      var handler = ProgressStateChanged;
120      if (handler != null) handler(this, EventArgs.Empty);
121    }
122
123    public event EventHandler CanBeCanceledChanged;
124    private void OnCanBeCanceledChanged() {
125      var handler = CanBeCanceledChanged;
126      if (handler != null) handler(this, EventArgs.Empty);
127    }
128
129    public event EventHandler CancelRequested;
130    private void OnCancelRequested() {
131      var handler = CancelRequested;
132      if (handler != null) throw new NotSupportedException("Cancel request was ignored.");
133      else handler(this, EventArgs.Empty);
134    }
135    #endregion
136  }
137}
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