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.ComponentModel;
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24 | using System.Text;
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25 | using System.Windows.Forms;
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26 | using HeuristicLab.Common;
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27 | using HeuristicLab.Data;
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28 |
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29 | namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views {
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30 | public partial class ValueChangeDialog : Form {
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31 | public string Caption {
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32 | get { return this.Text; }
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33 | set {
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34 | if (InvokeRequired)
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35 | Invoke(new Action<string>(x => this.Caption = x), value);
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36 | else
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37 | this.Text = value;
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38 | }
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39 | }
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40 | public string OldValue {
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41 | get { return oldValueTextBox.Text; }
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42 | set {
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43 | if (InvokeRequired)
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44 | Invoke(new Action<string>(x => this.NewValue = x), value);
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45 | else
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46 | oldValueTextBox.Text = value;
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47 | }
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48 | }
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49 | public string NewValue {
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50 | get { return newValueTextBox.Text; }
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51 | set {
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52 | if (InvokeRequired)
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53 | Invoke(new Action<string>(x => this.NewValue = x), value);
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54 | else
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55 | newValueTextBox.Text = value;
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56 | }
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57 | }
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58 |
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59 | public ValueChangeDialog() {
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60 | InitializeComponent();
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61 | }
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62 | public ValueChangeDialog(string caption, string oldValue)
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63 | : this() {
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64 | Caption = caption;
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65 | OldValue = oldValue;
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66 | NewValue = string.Empty;
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67 | }
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68 |
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69 | protected virtual void okButton_Click(object sender, EventArgs e) {
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70 | Close();
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71 | }
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72 |
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73 | private void newValueTextBox_KeyDown(object sender, KeyEventArgs e) {
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74 | if ((e.KeyCode == Keys.Enter) || (e.KeyCode == Keys.Return))
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75 | newValueLabel.Select(); // select label to validate data
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76 |
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77 | if (e.KeyCode == Keys.Escape) {
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78 | newValueTextBox.Text = String.Empty;
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79 | newValueLabel.Select(); // select label to validate data
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80 | }
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81 | }
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82 | private void newValueTextBox_Validating(object sender, CancelEventArgs e) {
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83 | string errorMessage;
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84 | if (!Validate(newValueTextBox.Text, out errorMessage)) {
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85 | e.Cancel = true;
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86 | okButton.Enabled = false;
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87 | errorProvider.SetError(newValueTextBox, errorMessage);
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88 | newValueTextBox.SelectAll();
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89 | }
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90 | }
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91 | private void newValueTextBox_Validated(object sender, EventArgs e) {
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92 | errorProvider.SetError(newValueTextBox, string.Empty);
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93 | okButton.Enabled = true;
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94 | }
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95 |
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96 | private static bool Validate(string value, out string errorMessage) {
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97 | double val;
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98 | bool valid = double.TryParse(value, out val);
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99 | errorMessage = string.Empty;
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100 | if (!valid) {
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101 | var sb = new StringBuilder();
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102 | sb.Append("Invalid Value (Valid Value Format: \"");
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103 | sb.Append(FormatPatterns.GetDoubleFormatPattern());
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104 | sb.Append("\")");
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105 | errorMessage = sb.ToString();
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106 | }
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107 | return valid;
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108 | }
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109 | }
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110 | }
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