source: branches/Sliding Window GP/HeuristicLab.Problems.DataAnalysis.Symbolic.Views/3.4/TreeEditDialogs/SymbolicExpressionTreeNodeInsertDialog.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: 5.0 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.Collections.Generic;
24using System.ComponentModel;
25using System.Text;
26using System.Windows.Forms;
27using HeuristicLab.Data;
28using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
29
30namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Views {
31  public partial class InsertNodeDialog : Form {
32    public InsertNodeDialog() {
33      InitializeComponent();
34    }
35
36    public void SetAllowedSymbols(IEnumerable<ISymbol> symbols) {
37      allowedSymbolsCombo.Items.Clear();
38      foreach (var s in symbols) allowedSymbolsCombo.Items.Add(s);
39      allowedSymbolsCombo.SelectedIndex = 0;
40    }
41
42    public ISymbol SelectedSymbol() {
43      return (ISymbol)allowedSymbolsCombo.SelectedItem;
44    }
45
46    private void allowedSymbolsCombo_SelectedIndexChanged(object sender, EventArgs e) {
47      var combo = (ComboBox)sender;
48      var symbol = combo.Items[combo.SelectedIndex];
49      if (symbol is Constant) {
50        // add controls to the dialog for changing the constant value
51        variableNameLabel.Visible = false;
52        variableNamesCombo.Visible = false;
53        variableWeightLabel.Visible = false;
54        variableWeightTextBox.Visible = false;
55        constantValueLabel.Visible = true;
56        constantValueTextBox.Visible = true;
57      } else if (symbol is Variable) {
58        var variable = (Variable)symbol;
59        foreach (var name in variable.VariableNames) variableNamesCombo.Items.Add(name);
60        variableNamesCombo.SelectedIndex = 0;
61        variableNameLabel.Visible = true;
62        variableNamesCombo.Visible = true;
63        variableWeightLabel.Visible = true;
64        variableWeightTextBox.Visible = true;
65        constantValueLabel.Visible = false;
66        constantValueTextBox.Visible = false;
67        // add controls to the dialog for changing the variable name or weight
68      } else {
69        variableNameLabel.Visible = false;
70        variableNamesCombo.Visible = false;
71        variableWeightLabel.Visible = false;
72        variableWeightTextBox.Visible = false;
73        constantValueLabel.Visible = false;
74        constantValueTextBox.Visible = false;
75      }
76    }
77
78    // validation
79    private void variableWeightTextBox_Validating(object sender, CancelEventArgs e) {
80      string errorMessage;
81      if (ValidateDoubleValue(variableWeightTextBox.Text, out errorMessage)) return;
82      e.Cancel = true;
83      errorProvider.SetError(variableWeightTextBox, errorMessage);
84      variableWeightTextBox.SelectAll();
85    }
86
87    private void constantValueTextBox_Validating(object sender, CancelEventArgs e) {
88      string errorMessage;
89      if (ValidateDoubleValue(constantValueTextBox.Text, out errorMessage)) return;
90      e.Cancel = true;
91      errorProvider.SetError(constantValueTextBox, errorMessage);
92      constantValueTextBox.SelectAll();
93    }
94
95    private static bool ValidateDoubleValue(string value, out string errorMessage) {
96      double val;
97      bool valid = double.TryParse(value, out val);
98      errorMessage = string.Empty;
99      if (!valid) {
100        var sb = new StringBuilder();
101        sb.Append("Invalid Value (Valid Value Format: \"");
102        sb.Append(FormatPatterns.GetDoubleFormatPattern());
103        sb.Append("\")");
104        errorMessage = sb.ToString();
105      }
106      return valid;
107    }
108
109    public event EventHandler DialogValidated;
110    private void OnDialogValidated(object sender, EventArgs e) {
111      DialogResult = DialogResult.OK;
112      var dialogValidated = DialogValidated;
113      if (dialogValidated != null)
114        dialogValidated(sender, e);
115    }
116
117    private void childControl_KeyDown(object sender, KeyEventArgs e) {
118      insertNodeDialog_KeyDown(sender, e);
119    }
120
121    private void insertNodeDialog_KeyDown(object sender, KeyEventArgs e) {
122      if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return) {
123        if (ValidateChildren()) {
124          OnDialogValidated(this, e);
125          Close();
126        }
127      }
128    }
129
130    private void okButton_Click(object sender, EventArgs e) {
131      if (ValidateChildren()) {
132        OnDialogValidated(this, e);
133        Close();
134      }
135    }
136
137    private void cancelButton_Click(object sender, EventArgs e) {
138      Close();
139    }
140  }
141}
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