1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections.Generic;
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24 | using System.ComponentModel;
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25 | using System.Text;
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26 | using System.Windows.Forms;
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27 | using HeuristicLab.Data;
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28 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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29 |
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30 | namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Views {
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31 | public partial class InsertNodeDialog : Form {
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32 | public InsertNodeDialog() {
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33 | InitializeComponent();
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34 | }
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35 |
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36 | public void SetAllowedSymbols(IEnumerable<ISymbol> symbols) {
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37 | allowedSymbolsCombo.Items.Clear();
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38 | foreach (var s in symbols) allowedSymbolsCombo.Items.Add(s);
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39 | allowedSymbolsCombo.SelectedIndex = 0;
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40 | }
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41 |
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42 | public ISymbol SelectedSymbol() {
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43 | return (ISymbol)allowedSymbolsCombo.SelectedItem;
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44 | }
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45 |
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46 | private void allowedSymbolsCombo_SelectedIndexChanged(object sender, EventArgs e) {
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47 | var combo = (ComboBox)sender;
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48 | var symbol = combo.Items[combo.SelectedIndex];
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49 | if (symbol is Constant) {
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50 | // add controls to the dialog for changing the constant value
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51 | variableNameLabel.Visible = false;
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52 | variableNamesCombo.Visible = false;
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53 | variableWeightLabel.Visible = false;
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54 | variableWeightTextBox.Visible = false;
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55 | constantValueLabel.Visible = true;
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56 | constantValueTextBox.Visible = true;
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57 | } else if (symbol is Variable) {
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58 | var variable = (Variable)symbol;
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59 | foreach (var name in variable.VariableNames) variableNamesCombo.Items.Add(name);
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60 | variableNamesCombo.SelectedIndex = 0;
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61 | variableNameLabel.Visible = true;
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62 | variableNamesCombo.Visible = true;
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63 | variableWeightLabel.Visible = true;
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64 | variableWeightTextBox.Visible = true;
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65 | constantValueLabel.Visible = false;
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66 | constantValueTextBox.Visible = false;
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67 | // add controls to the dialog for changing the variable name or weight
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68 | } else {
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69 | variableNameLabel.Visible = false;
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70 | variableNamesCombo.Visible = false;
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71 | variableWeightLabel.Visible = false;
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72 | variableWeightTextBox.Visible = false;
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73 | constantValueLabel.Visible = false;
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74 | constantValueTextBox.Visible = false;
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75 | }
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76 | }
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77 |
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78 | // validation
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79 | private void variableWeightTextBox_Validating(object sender, CancelEventArgs e) {
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80 | string errorMessage;
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81 | if (ValidateDoubleValue(variableWeightTextBox.Text, out errorMessage)) return;
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82 | e.Cancel = true;
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83 | errorProvider.SetError(variableWeightTextBox, errorMessage);
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84 | variableWeightTextBox.SelectAll();
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85 | }
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86 |
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87 | private void constantValueTextBox_Validating(object sender, CancelEventArgs e) {
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88 | string errorMessage;
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89 | if (ValidateDoubleValue(constantValueTextBox.Text, out errorMessage)) return;
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90 | e.Cancel = true;
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91 | errorProvider.SetError(constantValueTextBox, errorMessage);
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92 | constantValueTextBox.SelectAll();
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93 | }
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94 |
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95 | private static bool ValidateDoubleValue(string value, out string errorMessage) {
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96 | double val;
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97 | bool valid = double.TryParse(value, out val);
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98 | errorMessage = string.Empty;
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99 | if (!valid) {
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100 | var sb = new StringBuilder();
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101 | sb.Append("Invalid Value (Valid Value Format: \"");
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102 | sb.Append(FormatPatterns.GetDoubleFormatPattern());
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103 | sb.Append("\")");
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104 | errorMessage = sb.ToString();
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105 | }
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106 | return valid;
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107 | }
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108 |
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109 | public event EventHandler DialogValidated;
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110 | private void OnDialogValidated(object sender, EventArgs e) {
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111 | var dialogValidated = DialogValidated;
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112 | if (dialogValidated != null)
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113 | dialogValidated(sender, e);
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114 | }
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115 |
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116 | private void childControl_KeyDown(object sender, KeyEventArgs e) {
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117 | insertNodeDialog_KeyDown(sender, e);
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118 | }
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119 |
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120 | private void insertNodeDialog_KeyDown(object sender, KeyEventArgs e) {
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121 | if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return) {
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122 | if (ValidateChildren()) {
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123 | OnDialogValidated(this, e);
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124 | Close();
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125 | }
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126 | }
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127 | }
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128 |
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129 | private void okButton_Click(object sender, EventArgs e) {
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130 | if (ValidateChildren()) {
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131 | OnDialogValidated(this, e);
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132 | Close();
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133 | }
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134 | }
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135 |
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136 | private void cancelButton_Click(object sender, EventArgs e) {
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137 | Close();
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138 | }
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139 | }
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140 | }
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