source: trunk/sources/HeuristicLab.Optimization.Views/3.3/AlgorithmView.cs @ 13560

Last change on this file since 13560 was 13560, checked in by mkommend, 5 years ago

#2565: Changed algorithmView to reset the viewType of the problemViewHost only when the types of the displayed and new problem differ.

File size: 9.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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        if (problemViewHost.Content != null && Content.Problem != null &&
136          problemViewHost.Content.GetType() != Content.Problem.GetType())
137          problemViewHost.ViewType = null;
138        problemViewHost.Content = Content.Problem;
139      }
140    }
141    protected virtual void Content_StoreAlgorithmInEachRunChanged(object sender, EventArgs e) {
142      if (InvokeRequired)
143        Invoke(new EventHandler(Content_StoreAlgorithmInEachRunChanged), sender, e);
144      else
145        storeAlgorithmInEachRunCheckBox.Checked = Content.StoreAlgorithmInEachRun;
146    }
147    #endregion
148
149    #region Control Events
150    protected virtual void newProblemButton_Click(object sender, EventArgs e) {
151      if (problemTypeSelectorDialog == null) {
152        problemTypeSelectorDialog = new TypeSelectorDialog();
153        problemTypeSelectorDialog.Caption = "Select Problem";
154        problemTypeSelectorDialog.TypeSelector.Caption = "Available Problems";
155        problemTypeSelectorDialog.TypeSelector.Configure(Content.ProblemType, false, true);
156      }
157      if (problemTypeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
158        try {
159          Content.Problem = (IProblem)problemTypeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
160        }
161        catch (Exception ex) {
162          ErrorHandling.ShowErrorDialog(this, ex);
163        }
164      }
165    }
166    protected virtual void openProblemButton_Click(object sender, EventArgs e) {
167      openFileDialog.Title = "Open Problem";
168      if (openFileDialog.ShowDialog(this) == DialogResult.OK) {
169        newProblemButton.Enabled = openProblemButton.Enabled = false;
170        problemViewHost.Enabled = false;
171
172        ContentManager.LoadAsync(openFileDialog.FileName, delegate(IStorableContent content, Exception error) {
173          try {
174            if (error != null) throw error;
175            IProblem problem = content as IProblem;
176            if (problem == null)
177              Invoke(new Action(() =>
178                MessageBox.Show(this, "The selected file does not contain a problem.", "Invalid File", MessageBoxButtons.OK, MessageBoxIcon.Error)));
179            else if (!Content.ProblemType.IsInstanceOfType(problem))
180              Invoke(new Action(() =>
181                MessageBox.Show(this, "The selected file contains a problem type which is not supported by this algorithm.", "Invalid Problem Type", MessageBoxButtons.OK, MessageBoxIcon.Error)));
182            else
183              Content.Problem = problem;
184          }
185          catch (Exception ex) {
186            Invoke(new Action(() => ErrorHandling.ShowErrorDialog(this, ex)));
187          }
188          finally {
189            Invoke(new Action(delegate() {
190              problemViewHost.Enabled = true;
191              newProblemButton.Enabled = openProblemButton.Enabled = true;
192            }));
193          }
194        });
195      }
196    }
197    protected virtual void storeAlgorithmInEachRunCheckBox_CheckedChanged(object sender, EventArgs e) {
198      if (Content != null) Content.StoreAlgorithmInEachRun = storeAlgorithmInEachRunCheckBox.Checked;
199    }
200    protected virtual void problemTabPage_DragEnterOver(object sender, DragEventArgs e) {
201      e.Effect = DragDropEffects.None;
202      if (!ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) != null) && Content.ProblemType.IsAssignableFrom(e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat).GetType())) {
203        if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link;  // ALT key
204        else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move;  // SHIFT key
205        else if (e.AllowedEffect.HasFlag(DragDropEffects.Copy)) e.Effect = DragDropEffects.Copy;
206        else if (e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move;
207        else if (e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link;
208      }
209    }
210    protected virtual void problemTabPage_DragDrop(object sender, DragEventArgs e) {
211      if (e.Effect != DragDropEffects.None) {
212        IProblem problem = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as IProblem;
213        if (e.Effect.HasFlag(DragDropEffects.Copy)) problem = (IProblem)problem.Clone();
214        Content.Problem = problem;
215      }
216    }
217    #endregion
218  }
219}
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