1 | #region License Information
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2 |
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3 | /* HeuristicLab
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4 | * Copyright (C) Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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5 | *
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6 | * This file is part of HeuristicLab.
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7 | *
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8 | * HeuristicLab is free software: you can redistribute it and/or modify
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9 | * it under the terms of the GNU General Public License as published by
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10 | * the Free Software Foundation, either version 3 of the License, or
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11 | * (at your option) any later version.
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12 | *
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13 | * HeuristicLab is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | * GNU General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU General Public License
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19 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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20 | */
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21 |
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22 | #endregion
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23 |
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24 | using System;
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25 | using System.ComponentModel;
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26 | using System.Windows.Forms;
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27 | using HeuristicLab.Core.Views;
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28 | using HeuristicLab.MainForm;
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29 |
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30 | namespace HeuristicLab.Problems.DataAnalysis.Views {
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31 | [View("Shape Constraint View")]
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32 | [Content(typeof(ShapeConstraint), true)]
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33 | public sealed partial class ShapeConstraintView : ItemView {
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34 | public new ShapeConstraint Content {
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35 | get => (ShapeConstraint)base.Content;
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36 | set => base.Content = value;
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37 | }
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38 |
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39 | public ShapeConstraintView() {
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40 | InitializeComponent();
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41 | int[] items = { 1, 2, 3 };
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42 | numberOfDerivationsComboBox.DataSource = items;
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43 | }
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44 |
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45 | protected override void OnContentChanged() {
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46 | base.OnContentChanged();
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47 | if (Content == null) {
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48 | this.regionView.Content = null;
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49 | } else {
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50 | this.regionView.Content = Content.Regions;
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51 | UpdateControls();
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52 | }
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53 | }
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54 |
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55 | protected override void RegisterContentEvents() {
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56 | base.RegisterContentEvents();
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57 | Content.Changed += Content_Changed;
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58 | }
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59 |
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60 | protected override void DeregisterContentEvents() {
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61 | Content.Changed -= Content_Changed;
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62 | base.DeregisterContentEvents();
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63 | }
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64 |
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65 | protected override void SetEnabledStateOfControls() {
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66 | base.SetEnabledStateOfControls();
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67 | variableInput.Enabled = Content != null && !Locked && !ReadOnly;
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68 | numberOfDerivationsComboBox.Enabled = Content != null && !Locked && !ReadOnly;
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69 | lowerboundInput.Enabled = Content != null && !Locked && !ReadOnly;
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70 | upperboundInput.Enabled = Content != null && !Locked && !ReadOnly;
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71 | weightTextBox.Enabled = Content != null && !Locked && !ReadOnly;
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72 | }
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73 |
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74 |
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75 | #region helpers
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76 |
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77 | private static double ParseDoubleValue(string input, Control control, ErrorProvider errorProvider) {
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78 | input = input.ToLower();
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79 | switch (input) {
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80 | case "inf.":
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81 | case "+inf.":
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82 | case "Infinity":
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83 | return double.PositiveInfinity;
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84 | case "-inf.":
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85 | case "-Infinity":
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86 | return double.NegativeInfinity;
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87 | default: {
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88 | if (double.TryParse(input, out var value)) {
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89 | return value;
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90 | }
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91 |
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92 | errorProvider.SetError(control, "Invalid input: value must be a double.");
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93 | return double.NaN;
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94 | }
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95 | }
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96 | }
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97 |
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98 | private void UpdateControls() {
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99 | if (Content == null) {
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100 | lowerboundInput.Text = string.Empty;
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101 | upperboundInput.Text = string.Empty;
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102 | weightTextBox.Text = string.Empty;
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103 | return;
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104 | }
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105 |
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106 | lowerboundInput.Text = Content.Interval.LowerBound.ToString();
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107 | upperboundInput.Text = Content.Interval.UpperBound.ToString();
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108 | weightTextBox.Text = Content.Weight.ToString();
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109 |
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110 | variableInput.Text = Content.Variable;
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111 | if (!Content.IsDerivative) {
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112 | numberOfDerivationsComboBox.Enabled = false;
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113 | numberOfDerivationsComboBox.SelectedItem = null;
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114 | numberOfDerivationsComboBox.Text = "0";
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115 | } else {
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116 | numberOfDerivationLabel.Visible = true;
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117 | numberOfDerivationsComboBox.Visible = true;
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118 | numberOfDerivationsComboBox.Enabled = true;
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119 | numberOfDerivationsComboBox.SelectedItem = Content.NumberOfDerivations;
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120 | }
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121 |
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122 | regionView.Content = Content.Regions;
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123 | }
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124 |
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125 | #endregion
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126 |
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127 | #region control event handlers
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128 |
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129 | private void lowerboundInput_Validating(object sender, CancelEventArgs e) {
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130 | var value = ParseDoubleValue(lowerboundInput.Text, lowerboundInput, errorProvider);
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131 | if (double.IsNaN(value)) {
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132 | errorProvider.SetError(lowerboundInput, "Invalid input: lower bound must be a double value.");
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133 | e.Cancel = true;
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134 | return;
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135 | }
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136 |
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137 | if (value > Content.Interval.UpperBound) {
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138 | errorProvider.SetError(lowerboundInput, "Invalid input: lower bound must be smaller than upper bound.");
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139 | e.Cancel = true;
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140 | return;
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141 | }
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142 |
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143 | errorProvider.SetError(lowerboundInput, string.Empty);
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144 | e.Cancel = false;
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145 | }
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146 |
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147 | private void lowerboundInput_Validated(object sender, EventArgs e) {
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148 | var value =
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149 | ParseDoubleValue(lowerboundInput.Text, lowerboundInput, errorProvider);
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150 | if (!double.IsNaN(value)) Content.Interval = new Interval(value, Content.Interval.UpperBound);
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151 | }
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152 |
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153 | private void upperboundInput_Validating(object sender, CancelEventArgs e) {
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154 | var value = ParseDoubleValue(upperboundInput.Text, upperboundInput, errorProvider);
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155 | if (double.IsNaN(value)) {
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156 | errorProvider.SetError(upperboundInput, "Invalid Input: upper bound must be a double value.");
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157 | e.Cancel = true;
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158 | return;
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159 | }
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160 |
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161 | if (value < Content.Interval.LowerBound) {
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162 | errorProvider.SetError(upperboundInput, "Invalid input: upper bound must be bigger than lower bound.");
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163 | e.Cancel = true;
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164 | return;
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165 | }
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166 |
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167 | errorProvider.SetError(upperboundInput, string.Empty);
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168 | e.Cancel = false;
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169 | }
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170 |
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171 | private void upperboundInput_Validated(object sender, EventArgs e) {
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172 | var value =
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173 | ParseDoubleValue(upperboundInput.Text, upperboundInput, errorProvider);
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174 | if (!double.IsNaN(value)) Content.Interval = new Interval(Content.Interval.LowerBound, value);
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175 | }
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176 |
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177 | private void numberderivationInput_SelectedIndexChanged(object sender, EventArgs e) {
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178 | if (numberOfDerivationsComboBox.SelectedItem == null) {
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179 | Content.NumberOfDerivations = 0;
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180 | numberOfDerivationsComboBox.Enabled = false;
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181 | return;
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182 | }
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183 |
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184 | if (Content != null) {
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185 | if ((int)numberOfDerivationsComboBox.SelectedItem == 1)
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186 | Content.NumberOfDerivations = 1;
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187 | else if ((int)numberOfDerivationsComboBox.SelectedItem == 2)
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188 | Content.NumberOfDerivations = 2;
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189 | else if ((int)numberOfDerivationsComboBox.SelectedItem == 3)
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190 | Content.NumberOfDerivations = 3;
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191 | }
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192 | }
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193 |
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194 | private void weightInput_TextChanged(object sender, EventArgs e) {
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195 | var value = ParseDoubleValue(weightTextBox.Text, weightTextBox, errorProvider);
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196 | if (!double.IsNaN(value)) Content.Weight = value;
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197 | }
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198 |
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199 |
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200 | #endregion
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201 |
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202 | #region content event handlers
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203 |
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204 | private void Content_Changed(object sender, EventArgs e) {
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205 | UpdateControls();
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206 | }
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207 |
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208 | #endregion
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209 | }
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210 | } |
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