[8935] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16057] | 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[8935] | 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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[8409] | 23 | using System.Collections.Generic;
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| 24 | using System.ComponentModel;
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[14432] | 25 | using System.Linq;
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[8409] | 26 | using System.Text;
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| 27 | using System.Windows.Forms;
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| 28 | using HeuristicLab.Data;
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| 29 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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| 30 |
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| 31 | namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Views {
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| 32 | public partial class InsertNodeDialog : Form {
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[14432] | 33 | public string SelectedVariableName {
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| 34 | get {
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| 35 | var variable = SelectedSymbol as Variable;
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| 36 | if (variable == null)
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| 37 | return string.Empty;
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| 38 | return variable.VariableNames.Any() ? variableNamesCombo.Text : variableNameTextBox.Text;
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| 39 | }
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| 40 | }
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| 41 |
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[8409] | 42 | public InsertNodeDialog() {
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| 43 | InitializeComponent();
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| 44 | }
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| 45 |
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| 46 | public void SetAllowedSymbols(IEnumerable<ISymbol> symbols) {
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| 47 | allowedSymbolsCombo.Items.Clear();
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| 48 | foreach (var s in symbols) allowedSymbolsCombo.Items.Add(s);
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| 49 | allowedSymbolsCombo.SelectedIndex = 0;
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| 50 | }
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| 51 |
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[14432] | 52 | public ISymbol SelectedSymbol {
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| 53 | get { return (ISymbol)allowedSymbolsCombo.SelectedItem; }
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[8409] | 54 | }
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| 55 |
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| 56 | private void allowedSymbolsCombo_SelectedIndexChanged(object sender, EventArgs e) {
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| 57 | var combo = (ComboBox)sender;
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| 58 | var symbol = combo.Items[combo.SelectedIndex];
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| 59 | if (symbol is Constant) {
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| 60 | // add controls to the dialog for changing the constant value
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| 61 | variableNameLabel.Visible = false;
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| 62 | variableNamesCombo.Visible = false;
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| 63 | variableWeightLabel.Visible = false;
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| 64 | variableWeightTextBox.Visible = false;
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| 65 | constantValueLabel.Visible = true;
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| 66 | constantValueTextBox.Visible = true;
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[14826] | 67 | } else if (symbol is VariableBase) {
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| 68 | var variableSymbol = (VariableBase)symbol;
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[14432] | 69 | if (variableSymbol.VariableNames.Any()) {
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| 70 | foreach (var name in variableSymbol.VariableNames)
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| 71 | variableNamesCombo.Items.Add(name);
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| 72 | variableNamesCombo.SelectedIndex = 0;
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| 73 | variableNamesCombo.Visible = true;
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| 74 | variableNameTextBox.Visible = false;
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| 75 | } else {
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| 76 | variableNamesCombo.Visible = false;
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| 77 | variableNameTextBox.Visible = true;
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| 78 | }
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[8409] | 79 | variableNameLabel.Visible = true;
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| 80 | variableWeightLabel.Visible = true;
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| 81 | variableWeightTextBox.Visible = true;
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| 82 | constantValueLabel.Visible = false;
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| 83 | constantValueTextBox.Visible = false;
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| 84 | // add controls to the dialog for changing the variable name or weight
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[8935] | 85 | } else {
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| 86 | variableNameLabel.Visible = false;
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| 87 | variableNamesCombo.Visible = false;
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| 88 | variableWeightLabel.Visible = false;
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| 89 | variableWeightTextBox.Visible = false;
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| 90 | constantValueLabel.Visible = false;
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| 91 | constantValueTextBox.Visible = false;
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[8409] | 92 | }
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| 93 | }
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| 94 |
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| 95 | // validation
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| 96 | private void variableWeightTextBox_Validating(object sender, CancelEventArgs e) {
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| 97 | string errorMessage;
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| 98 | if (ValidateDoubleValue(variableWeightTextBox.Text, out errorMessage)) return;
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| 99 | e.Cancel = true;
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| 100 | errorProvider.SetError(variableWeightTextBox, errorMessage);
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| 101 | variableWeightTextBox.SelectAll();
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| 102 | }
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| 103 |
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| 104 | private void constantValueTextBox_Validating(object sender, CancelEventArgs e) {
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| 105 | string errorMessage;
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| 106 | if (ValidateDoubleValue(constantValueTextBox.Text, out errorMessage)) return;
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| 107 | e.Cancel = true;
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| 108 | errorProvider.SetError(constantValueTextBox, errorMessage);
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| 109 | constantValueTextBox.SelectAll();
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| 110 | }
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| 111 |
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| 112 | private static bool ValidateDoubleValue(string value, out string errorMessage) {
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| 113 | double val;
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| 114 | bool valid = double.TryParse(value, out val);
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| 115 | errorMessage = string.Empty;
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| 116 | if (!valid) {
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| 117 | var sb = new StringBuilder();
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| 118 | sb.Append("Invalid Value (Valid Value Format: \"");
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| 119 | sb.Append(FormatPatterns.GetDoubleFormatPattern());
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| 120 | sb.Append("\")");
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| 121 | errorMessage = sb.ToString();
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| 122 | }
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| 123 | return valid;
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| 124 | }
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| 125 |
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| 126 | public event EventHandler DialogValidated;
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[8935] | 127 | private void OnDialogValidated(object sender, EventArgs e) {
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[8981] | 128 | DialogResult = DialogResult.OK;
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[8935] | 129 | var dialogValidated = DialogValidated;
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| 130 | if (dialogValidated != null)
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| 131 | dialogValidated(sender, e);
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| 132 | }
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[8409] | 133 |
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| 134 | private void childControl_KeyDown(object sender, KeyEventArgs e) {
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| 135 | insertNodeDialog_KeyDown(sender, e);
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| 136 | }
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| 137 |
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| 138 | private void insertNodeDialog_KeyDown(object sender, KeyEventArgs e) {
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| 139 | if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return) {
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| 140 | if (ValidateChildren()) {
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[8935] | 141 | OnDialogValidated(this, e);
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[8409] | 142 | Close();
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| 143 | }
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| 144 | }
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| 145 | }
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[8935] | 146 |
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| 147 | private void okButton_Click(object sender, EventArgs e) {
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| 148 | if (ValidateChildren()) {
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| 149 | OnDialogValidated(this, e);
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| 150 | Close();
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| 151 | }
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| 152 | }
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| 153 |
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| 154 | private void cancelButton_Click(object sender, EventArgs e) {
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| 155 | Close();
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| 156 | }
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[8409] | 157 | }
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| 158 | }
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