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source: stable/HeuristicLab.Optimization.Views/3.3/AlgorithmView.cs @ 11170

Last change on this file since 11170 was 11170, checked in by ascheibe, 8 years ago

#2115 updated copyright year in stable branch

File size: 9.3 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2014 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;
23using System.Collections.Generic;
24using System.Linq;
25using System.Windows.Forms;
26using HeuristicLab.Common;
27using HeuristicLab.Core;
28using HeuristicLab.Core.Views;
29using HeuristicLab.MainForm;
30using HeuristicLab.PluginInfrastructure;
31
32namespace HeuristicLab.Optimization.Views {
33  [View("Algorithm View")]
34  [Content(typeof(Algorithm), true)]
35  [Content(typeof(IAlgorithm), false)]
36  public partial class AlgorithmView : IOptimizerView {
37    private TypeSelectorDialog problemTypeSelectorDialog;
38    public AlgorithmView() {
39      InitializeComponent();
40    }
41
42    public new IAlgorithm Content {
43      get { return (IAlgorithm)base.Content; }
44      set { base.Content = value; }
45    }
46
47    protected override void Dispose(bool disposing) {
48      if (disposing) {
49        if (problemTypeSelectorDialog != null) problemTypeSelectorDialog.Dispose();
50        if (components != null) components.Dispose();
51      }
52      base.Dispose(disposing);
53    }
54
55    protected override void OnInitialized(EventArgs e) {
56      // Set order of tab pages according to z order.
57      // NOTE: This is required due to a bug in the VS designer.
58      List<Control> tabPages = new List<Control>();
59      for (int i = 0; i < tabControl.Controls.Count; i++) {
60        tabPages.Add(tabControl.Controls[i]);
61      }
62      tabControl.Controls.Clear();
63      foreach (Control control in tabPages)
64        tabControl.Controls.Add(control);
65
66      base.OnInitialized(e);
67    }
68
69    protected override void DeregisterContentEvents() {
70      Content.ProblemChanged -= new EventHandler(Content_ProblemChanged);
71      Content.StoreAlgorithmInEachRunChanged -= new EventHandler(Content_StoreAlgorithmInEachRunChanged);
72      base.DeregisterContentEvents();
73    }
74    protected override void RegisterContentEvents() {
75      base.RegisterContentEvents();
76      Content.ProblemChanged += new EventHandler(Content_ProblemChanged);
77      Content.StoreAlgorithmInEachRunChanged += new EventHandler(Content_StoreAlgorithmInEachRunChanged);
78    }
79
80    protected override void OnContentChanged() {
81      base.OnContentChanged();
82      if (Content == null) {
83        parameterCollectionView.Content = null;
84        problemViewHost.Content = null;
85        resultsView.Content = null;
86        runsView.Content = null;
87        storeAlgorithmInEachRunCheckBox.Checked = true;
88      } else {
89        parameterCollectionView.Content = Content.Parameters;
90        problemViewHost.ViewType = null;
91        problemViewHost.Content = Content.Problem;
92        resultsView.Content = Content.Results.AsReadOnly();
93        runsView.Content = Content.Runs;
94        storeAlgorithmInEachRunCheckBox.Checked = Content.StoreAlgorithmInEachRun;
95      }
96    }
97
98    protected override void SetEnabledStateOfControls() {
99      base.SetEnabledStateOfControls();
100      parameterCollectionView.Enabled = Content != null;
101      newProblemButton.Enabled = Content != null && !ReadOnly;
102      openProblemButton.Enabled = Content != null && !ReadOnly;
103      problemViewHost.Enabled = Content != null;
104      resultsView.Enabled = Content != null;
105      runsView.Enabled = Content != null;
106      storeAlgorithmInEachRunCheckBox.Enabled = Content != null && !ReadOnly;
107    }
108
109    protected override void OnClosed(FormClosedEventArgs e) {
110      if ((Content != null) && (Content.ExecutionState == ExecutionState.Started)) {
111        //The content must be stopped if no other view showing the content is available
112        var optimizers = MainFormManager.MainForm.Views.OfType<IContentView>().Where(v => v != this).Select(v => v.Content).OfType<IOptimizer>();
113        if (!optimizers.Contains(Content)) {
114          var nestedOptimizers = optimizers.SelectMany(opt => opt.NestedOptimizers);
115          if (!nestedOptimizers.Contains(Content)) Content.Stop();
116        }
117      }
118      base.OnClosed(e);
119    }
120
121    #region Content Events
122    protected override void Content_Prepared(object sender, EventArgs e) {
123      if (InvokeRequired)
124        Invoke(new EventHandler(Content_Prepared), sender, e);
125      else {
126        base.Content_Prepared(sender, e);
127        resultsView.Content = Content.Results.AsReadOnly();
128      }
129    }
130
131    protected virtual void Content_ProblemChanged(object sender, EventArgs e) {
132      if (InvokeRequired)
133        Invoke(new EventHandler(Content_ProblemChanged), sender, e);
134      else {
135        problemViewHost.ViewType = null;
136        problemViewHost.Content = Content.Problem;
137      }
138    }
139    protected virtual void Content_StoreAlgorithmInEachRunChanged(object sender, EventArgs e) {
140      if (InvokeRequired)
141        Invoke(new EventHandler(Content_StoreAlgorithmInEachRunChanged), sender, e);
142      else
143        storeAlgorithmInEachRunCheckBox.Checked = Content.StoreAlgorithmInEachRun;
144    }
145    #endregion
146
147    #region Control Events
148    protected virtual void newProblemButton_Click(object sender, EventArgs e) {
149      if (problemTypeSelectorDialog == null) {
150        problemTypeSelectorDialog = new TypeSelectorDialog();
151        problemTypeSelectorDialog.Caption = "Select Problem";
152        problemTypeSelectorDialog.TypeSelector.Caption = "Available Problems";
153        problemTypeSelectorDialog.TypeSelector.Configure(Content.ProblemType, false, true);
154      }
155      if (problemTypeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
156        try {
157          Content.Problem = (IProblem)problemTypeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
158        }
159        catch (Exception ex) {
160          ErrorHandling.ShowErrorDialog(this, ex);
161        }
162      }
163    }
164    protected virtual void openProblemButton_Click(object sender, EventArgs e) {
165      openFileDialog.Title = "Open Problem";
166      if (openFileDialog.ShowDialog(this) == DialogResult.OK) {
167        newProblemButton.Enabled = openProblemButton.Enabled = false;
168        problemViewHost.Enabled = false;
169
170        ContentManager.LoadAsync(openFileDialog.FileName, delegate(IStorableContent content, Exception error) {
171          try {
172            if (error != null) throw error;
173            IProblem problem = content as IProblem;
174            if (problem == null)
175              Invoke(new Action(() =>
176                MessageBox.Show(this, "The selected file does not contain a problem.", "Invalid File", MessageBoxButtons.OK, MessageBoxIcon.Error)));
177            else if (!Content.ProblemType.IsInstanceOfType(problem))
178              Invoke(new Action(() =>
179                MessageBox.Show(this, "The selected file contains a problem type which is not supported by this algorithm.", "Invalid Problem Type", MessageBoxButtons.OK, MessageBoxIcon.Error)));
180            else
181              Content.Problem = problem;
182          }
183          catch (Exception ex) {
184            Invoke(new Action(() => ErrorHandling.ShowErrorDialog(this, ex)));
185          }
186          finally {
187            Invoke(new Action(delegate() {
188              problemViewHost.Enabled = true;
189              newProblemButton.Enabled = openProblemButton.Enabled = true;
190            }));
191          }
192        });
193      }
194    }
195    protected virtual void storeAlgorithmInEachRunCheckBox_CheckedChanged(object sender, EventArgs e) {
196      if (Content != null) Content.StoreAlgorithmInEachRun = storeAlgorithmInEachRunCheckBox.Checked;
197    }
198    protected virtual void problemTabPage_DragEnterOver(object sender, DragEventArgs e) {
199      e.Effect = DragDropEffects.None;
200      if (!ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) != null) && Content.ProblemType.IsAssignableFrom(e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat).GetType())) {
201        if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link;  // ALT key
202        else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move;  // SHIFT key
203        else if (e.AllowedEffect.HasFlag(DragDropEffects.Copy)) e.Effect = DragDropEffects.Copy;
204        else if (e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move;
205        else if (e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link;
206      }
207    }
208    protected virtual void problemTabPage_DragDrop(object sender, DragEventArgs e) {
209      if (e.Effect != DragDropEffects.None) {
210        IProblem problem = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as IProblem;
211        if (e.Effect.HasFlag(DragDropEffects.Copy)) problem = (IProblem)problem.Clone();
212        Content.Problem = problem;
213      }
214    }
215    #endregion
216  }
217}
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