1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2018 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.Windows.Forms;
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25 | using HeuristicLab.Core.Views;
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26 | using HeuristicLab.MainForm;
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27 | using HeuristicLab.MainForm.WindowsForms;
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28 |
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29 | namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views {
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30 | [View("Symbol View")]
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31 | [Content(typeof(ISymbol), true)]
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32 | public partial class SymbolView : NamedItemView {
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33 | public new ISymbol Content {
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34 | get { return (ISymbol)base.Content; }
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35 | set { base.Content = value; }
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36 | }
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37 |
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38 | public SymbolView() {
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39 | InitializeComponent();
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40 | }
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41 |
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42 | protected override void RegisterContentEvents() {
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43 | base.RegisterContentEvents();
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44 | Content.Changed += new EventHandler(Content_Changed);
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45 | }
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46 |
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47 | protected override void DeregisterContentEvents() {
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48 | base.DeregisterContentEvents();
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49 | Content.Changed -= new EventHandler(Content_Changed);
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50 | }
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51 |
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52 | protected override void OnContentChanged() {
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53 | base.OnContentChanged();
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54 | UpdateControl();
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55 | }
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56 |
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57 | protected override void SetEnabledStateOfControls() {
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58 | base.SetEnabledStateOfControls();
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59 | initialFrequencyTextBox.Enabled = Content != null && !Locked;
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60 | initialFrequencyTextBox.ReadOnly = ReadOnly;
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61 | enabledCheckBox.Enabled = Content != null && !Locked && !ReadOnly;
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62 | }
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63 |
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64 | #region content event handlers
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65 | private void Content_Changed(object sender, EventArgs e) {
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66 | UpdateControl();
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67 | }
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68 | #endregion
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69 |
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70 | #region control event handlers
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71 | private void initialFrequencyTextBox_KeyDown(object sender, KeyEventArgs e) {
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72 | if ((e.KeyCode == Keys.Enter) || (e.KeyCode == Keys.Return))
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73 | initialFrequencyLabel.Select(); // select label to validate data
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74 |
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75 | if (e.KeyCode == Keys.Escape) {
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76 | initialFrequencyTextBox.Text = Content.InitialFrequency.ToString();
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77 | initialFrequencyLabel.Select(); // select label to validate data
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78 | }
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79 | }
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80 | private void initialFrequencyTextBox_Validating(object sender, CancelEventArgs e) {
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81 | double freq;
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82 | if (double.TryParse(initialFrequencyTextBox.Text, out freq) && freq >= 0.0) {
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83 | errorProvider.SetError(initialFrequencyTextBox, string.Empty);
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84 | e.Cancel = false;
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85 | } else {
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86 | errorProvider.SetError(initialFrequencyTextBox, "Invalid value");
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87 | e.Cancel = true;
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88 | }
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89 | }
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90 | private void initialFrequencyTextBox_Validated(object sender, EventArgs e) {
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91 | double freq;
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92 | if (double.TryParse(initialFrequencyTextBox.Text, out freq) && freq >= 0.0) {
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93 | Content.InitialFrequency = freq;
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94 | }
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95 | }
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96 |
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97 | private void checkBoxEnabled_CheckedChanged(object sender, EventArgs e) {
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98 | if (Content != null)
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99 | Content.Enabled = enabledCheckBox.Checked;
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100 | }
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101 | #endregion
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102 |
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103 | #region helpers
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104 | private void UpdateControl() {
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105 | if (Content == null) {
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106 | initialFrequencyTextBox.Text = string.Empty;
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107 | minimumArityTextBox.Text = string.Empty;
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108 | maximumArityTextBox.Text = string.Empty;
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109 | enabledCheckBox.Checked = false;
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110 | } else {
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111 | initialFrequencyTextBox.Text = Content.InitialFrequency.ToString();
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112 | minimumArityTextBox.Text = Content.MinimumArity.ToString();
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113 | maximumArityTextBox.Text = Content.MaximumArity.ToString();
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114 | enabledCheckBox.Checked = Content.Enabled;
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115 | }
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116 | SetEnabledStateOfControls();
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117 | }
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118 | #endregion
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119 |
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120 | }
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121 | }
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