source: branches/Sliding Window GP/HeuristicLab.Problems.DataAnalysis.Symbolic.Views/3.4/Symbols/VariableView.cs @ 9708

Last change on this file since 9708 was 9708, checked in by mkommend, 6 years ago

#1837: Merged trunk changes into sliding window gp branch.

File size: 8.5 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;
23using System.Linq;
24using System.Windows.Forms;
25using HeuristicLab.Collections;
26using HeuristicLab.Core;
27using HeuristicLab.Core.Views;
28using HeuristicLab.Data;
29using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views;
30using HeuristicLab.MainForm;
31using HeuristicLab.MainForm.WindowsForms;
32
33
34namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Views {
35  [View("Variable View")]
36  [Content(typeof(Variable), true)]
37  public partial class VariableView : SymbolView {
38    private CheckedItemCollectionView<StringValue> variableNamesView;
39
40    public new Variable Content {
41      get { return (Variable)base.Content; }
42      set { base.Content = value; }
43    }
44
45    public VariableView() {
46      InitializeComponent();
47      variableNamesView = new CheckedItemCollectionView<StringValue>();
48      variableNamesView.Dock = DockStyle.Fill;
49      variableNamesTabPage.Controls.Add(variableNamesView);
50      variableNamesView.Content = new CheckedItemCollection<StringValue>();
51
52      RegisterVariableNamesViewContentEvents();
53    }
54
55    private void RegisterVariableNamesViewContentEvents() {
56      variableNamesView.Content.ItemsAdded += new CollectionItemsChangedEventHandler<StringValue>(VariableNames_Changed);
57      variableNamesView.Content.ItemsRemoved += new CollectionItemsChangedEventHandler<StringValue>(VariableNames_Changed);
58      variableNamesView.Content.CheckedItemsChanged += new CollectionItemsChangedEventHandler<StringValue>(VariableNames_Changed);
59      variableNamesView.Content.CollectionReset += new CollectionItemsChangedEventHandler<StringValue>(VariableNames_Changed);
60      foreach (var variable in variableNamesView.Content) {
61        variable.ValueChanged += new EventHandler(Variable_ValueChanged);
62      }
63    }
64
65
66    private void DeregisterVariableNamesViewContentEvents() {
67      variableNamesView.Content.ItemsAdded -= new CollectionItemsChangedEventHandler<StringValue>(VariableNames_Changed);
68      variableNamesView.Content.ItemsRemoved -= new CollectionItemsChangedEventHandler<StringValue>(VariableNames_Changed);
69      variableNamesView.Content.CheckedItemsChanged -= new CollectionItemsChangedEventHandler<StringValue>(VariableNames_Changed);
70      variableNamesView.Content.CollectionReset -= new CollectionItemsChangedEventHandler<StringValue>(VariableNames_Changed);
71      foreach (var variable in variableNamesView.Content) {
72        variable.ValueChanged -= new EventHandler(Variable_ValueChanged);
73      }
74    }
75
76
77    protected override void RegisterContentEvents() {
78      base.RegisterContentEvents();
79      Content.Changed += new EventHandler(Content_Changed);
80    }
81
82    protected override void DeregisterContentEvents() {
83      base.DeregisterContentEvents();
84      Content.Changed -= new EventHandler(Content_Changed);
85    }
86
87    protected override void OnContentChanged() {
88      base.OnContentChanged();
89      UpdateControl();
90    }
91
92    protected override void SetEnabledStateOfControls() {
93      base.SetEnabledStateOfControls();
94      enabledCheckBox.Enabled = Content != null && Content.VariableNames.Any() && !Locked && !ReadOnly;
95      weightInitializationMuTextBox.Enabled = Content != null;
96      weightInitializationMuTextBox.ReadOnly = ReadOnly;
97      weightInitializationSigmaTextBox.Enabled = Content != null;
98      weightInitializationSigmaTextBox.ReadOnly = ReadOnly;
99      additiveWeightChangeSigmaTextBox.Enabled = Content != null;
100      additiveWeightChangeSigmaTextBox.ReadOnly = ReadOnly;
101      multiplicativeWeightChangeSigmaTextBox.Enabled = Content != null;
102      multiplicativeWeightChangeSigmaTextBox.ReadOnly = ReadOnly;
103    }
104
105    #region content event handlers
106    private void Content_Changed(object sender, EventArgs e) {
107      UpdateControl();
108    }
109    #endregion
110
111    #region control event handlers
112    private void VariableNames_Changed(object sender, CollectionItemsChangedEventArgs<StringValue> e) {
113      foreach (var newVar in e.Items)
114        newVar.ValueChanged += new EventHandler(Variable_ValueChanged);
115      foreach (var oldVar in e.OldItems)
116        oldVar.ValueChanged -= new EventHandler(Variable_ValueChanged);
117      UpdateContent();
118    }
119
120    private void Variable_ValueChanged(object sender, EventArgs e) {
121      UpdateContent();
122    }
123
124    private void UpdateContent() {
125      if (Content != null) {
126        Content.Fixed = true;
127        DeregisterContentEvents();
128        Content.VariableNames = variableNamesView.Content.CheckedItems.Select(x => x.Value).ToList();
129        RegisterContentEvents();
130      }
131    }
132
133    private void WeightMuTextBox_TextChanged(object sender, EventArgs e) {
134      double nu;
135      if (double.TryParse(weightInitializationMuTextBox.Text, out nu)) {
136        Content.WeightMu = nu;
137        errorProvider.SetError(weightInitializationMuTextBox, string.Empty);
138      } else {
139        errorProvider.SetError(weightInitializationMuTextBox, "Invalid value");
140      }
141    }
142    private void WeightSigmaTextBox_TextChanged(object sender, EventArgs e) {
143      double sigma;
144      if (double.TryParse(weightInitializationSigmaTextBox.Text, out sigma) && sigma >= 0.0) {
145        Content.WeightSigma = sigma;
146        errorProvider.SetError(weightInitializationSigmaTextBox, string.Empty);
147      } else {
148        errorProvider.SetError(weightInitializationSigmaTextBox, "Invalid value");
149      }
150    }
151
152    private void AdditiveWeightChangeSigmaTextBox_TextChanged(object sender, EventArgs e) {
153      double sigma;
154      if (double.TryParse(additiveWeightChangeSigmaTextBox.Text, out sigma) && sigma >= 0.0) {
155        Content.WeightManipulatorSigma = sigma;
156        errorProvider.SetError(additiveWeightChangeSigmaTextBox, string.Empty);
157      } else {
158        errorProvider.SetError(additiveWeightChangeSigmaTextBox, "Invalid value");
159      }
160    }
161    private void MultiplicativeWeightChangeSigmaTextBox_TextChanged(object sender, EventArgs e) {
162      double sigma;
163      if (double.TryParse(multiplicativeWeightChangeSigmaTextBox.Text, out sigma) && sigma >= 0.0) {
164        Content.MultiplicativeWeightManipulatorSigma = sigma;
165        errorProvider.SetError(multiplicativeWeightChangeSigmaTextBox, string.Empty);
166      } else {
167        errorProvider.SetError(multiplicativeWeightChangeSigmaTextBox, "Invalid value");
168      }
169    }
170    #endregion
171
172    #region helpers
173    private void UpdateControl() {
174      if (Content == null) {
175        weightInitializationMuTextBox.Text = string.Empty;
176        weightInitializationSigmaTextBox.Text = string.Empty;
177        additiveWeightChangeSigmaTextBox.Text = string.Empty;
178        multiplicativeWeightChangeSigmaTextBox.Text = string.Empty;
179        // temporarily deregister to prevent circular calling of events
180        DeregisterVariableNamesViewContentEvents();
181        variableNamesView.Content.Clear();
182        RegisterVariableNamesViewContentEvents();
183      } else {
184        // temporarily deregister to prevent circular calling of events
185        DeregisterVariableNamesViewContentEvents();
186        variableNamesView.Content.Clear();
187        foreach (var variableName in Content.AllVariableNames) {
188          variableNamesView.Content.Add(new StringValue(variableName), Content.VariableNames.Contains(variableName));
189        }
190        RegisterVariableNamesViewContentEvents();
191
192        weightInitializationMuTextBox.Text = Content.WeightMu.ToString();
193        weightInitializationSigmaTextBox.Text = Content.WeightSigma.ToString();
194        additiveWeightChangeSigmaTextBox.Text = Content.WeightManipulatorSigma.ToString();
195        multiplicativeWeightChangeSigmaTextBox.Text = Content.MultiplicativeWeightManipulatorSigma.ToString();
196      }
197      SetEnabledStateOfControls();
198    }
199    #endregion
200  }
201}
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