1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2015 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.Linq;
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25 | using System.Windows.Forms;
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26 | using System.Windows.Forms.DataVisualization.Charting;
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27 | using HeuristicLab.Common;
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28 | using HeuristicLab.Core;
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29 | using HeuristicLab.Core.Views;
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30 | using HeuristicLab.Data;
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31 | using HeuristicLab.MainForm;
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32 |
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33 | namespace HeuristicLab.Optimization.BubbleChart {
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34 | [View("Bubble Chart (Recursive)")]
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35 | [Content(typeof(RecursiveDataItem), false)]
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36 | public partial class BubbleChartView : ItemView {
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37 | private enum SizeDimension { Constant = 0 }
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38 | private enum AxisDimension { Index = 0 }
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39 |
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40 | private readonly Dictionary<RecursiveDataItem, int> itemToIndexMapping = new Dictionary<RecursiveDataItem, int>();
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41 | private readonly Dictionary<string, Dictionary<object, double>> categoricalMapping = new Dictionary<string, Dictionary<object, double>>();
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42 |
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43 | private string XAxisValue { get { return (string)xAxisComboBox.SelectedItem; } }
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44 | private string YAxisValue { get { return (string)yAxisComboBox.SelectedItem; } }
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45 | private string SizeAxisValue { get { return (string)sizeComboBox.SelectedItem; } }
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46 |
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47 | private bool updating = false;
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48 |
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49 | public new RecursiveDataItem Content {
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50 | get { return (RecursiveDataItem)base.Content; }
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51 | set { base.Content = value; }
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52 | }
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53 |
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54 | public BubbleChartView() {
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55 | InitializeComponent();
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56 | }
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57 |
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58 | protected override void OnContentChanged() {
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59 | base.OnContentChanged();
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60 |
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61 | UpdateTreeView();
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62 | UpdateLevelControl();
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63 |
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64 | UpdateComboBoxes();
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65 | UpdateDataPoints();
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66 | //UpdateCaption();
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67 | }
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68 | protected override void SetEnabledStateOfControls() {
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69 | base.SetEnabledStateOfControls();
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70 | levelNumericUpDown.Enabled = Content != null;
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71 | // ToDo
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72 | }
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73 |
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74 | #region Tree Queries
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75 | private IEnumerable<RecursiveDataItem> GetAvailableItems() {
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76 | return IterateCheckedNodes()
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77 | .Select(n => (RecursiveDataItem)n.Tag);
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78 | }
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79 | private IEnumerable<string> GetAvailableKeys() {
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80 | return GetAvailableItems()
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81 | .SelectMany(n => n.Data.Keys)
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82 | .Distinct();
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83 | }
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84 | #endregion
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85 |
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86 | #region Update Controls
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87 | private void UpdateLevelControl() {
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88 | if (Content == null) return;
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89 | if (treeView.Nodes.Count > 0)
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90 | levelNumericUpDown.Maximum = IterateAllNodes().Max(t => t.Level);
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91 | else
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92 | levelNumericUpDown.Maximum = 0;
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93 | }
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94 |
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95 | private void UpdateTreeView() {
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96 | treeView.Nodes.Clear();
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97 | if (Content != null)
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98 | treeView.Nodes.Add(CreateTreeNode(Content));
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99 | treeView.ExpandAll();
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100 | splitContainer.Panel1Collapsed = treeView.Nodes.Count == 0;
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101 | if (treeView.Nodes.Count > 0)
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102 | treeView.SelectedNode = treeView.Nodes[0];
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103 | }
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104 | private TreeNode CreateTreeNode(RecursiveDataItem item) {
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105 | var node = new TreeNode(item.Name) {
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106 | Tag = item,
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107 | Checked = true
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108 | };
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109 | foreach (var child in item.Children)
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110 | node.Nodes.Add(CreateTreeNode(child));
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111 | return node;
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112 | }
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113 |
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114 | private void UpdateTreeViewCheckBoxes() {
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115 | int level = (int)levelNumericUpDown.Value;
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116 | bool includeChildren = includeChildrenCheckBox.Checked;
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117 | foreach (var node in IterateAllNodes()) {
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118 | bool @checked = includeChildren ? node.Level >= level : node.Level == level;
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119 | if (node.Checked != @checked)
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120 | node.Checked = @checked;
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121 | }
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122 | }
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123 |
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124 | private void UpdateComboBoxes() {
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125 | var selectedXAxis = (string)xAxisComboBox.SelectedItem;
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126 | var selectedYAxis = (string)yAxisComboBox.SelectedItem;
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127 | var selectedSizeAxis = (string)sizeComboBox.SelectedItem;
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128 | xAxisComboBox.Items.Clear();
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129 | yAxisComboBox.Items.Clear();
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130 | sizeComboBox.Items.Clear();
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131 |
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132 | if (Content != null) {
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133 | var axisNames = GetAvailableKeys().ToArray();
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134 | var additionalAxisDimension = Enum.GetNames(typeof(AxisDimension));
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135 | var additionalSizeDimension = Enum.GetNames(typeof(SizeDimension));
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136 |
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137 | xAxisComboBox.Items.AddRange(additionalAxisDimension);
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138 | xAxisComboBox.Items.AddRange(axisNames);
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139 | yAxisComboBox.Items.AddRange(additionalAxisDimension);
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140 | yAxisComboBox.Items.AddRange(axisNames);
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141 | sizeComboBox.Items.AddRange(additionalSizeDimension);
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142 | sizeComboBox.Items.AddRange(axisNames);
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143 |
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144 | bool changed = false;
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145 | if (selectedXAxis != null && xAxisComboBox.Items.Contains(selectedXAxis)) {
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146 | xAxisComboBox.SelectedItem = selectedXAxis;
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147 | changed = true;
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148 | }
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149 | if (selectedYAxis != null && yAxisComboBox.Items.Contains(selectedYAxis)) {
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150 | yAxisComboBox.SelectedItem = selectedYAxis;
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151 | changed = true;
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152 | }
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153 | if (selectedSizeAxis != null && sizeComboBox.Items.Contains(selectedSizeAxis)) {
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154 | sizeComboBox.SelectedItem = selectedSizeAxis;
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155 | changed = true;
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156 | } else sizeComboBox.SelectedItem = SizeDimension.Constant.ToString();
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157 | if (changed) {
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158 | UpdateDataPoints();
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159 | UpdateAxisLabels();
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160 | }
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161 | }
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162 | }
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163 |
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164 | private void UpdateDataPoints() {
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165 | var series = chart.Series[0];
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166 | series.Points.Clear();
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167 | itemToIndexMapping.Clear();
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168 | categoricalMapping.Clear();
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169 | RebuildInverseIndex();
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170 |
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171 | chart.ChartAreas[0].AxisX.IsMarginVisible = XAxisValue != AxisDimension.Index.ToString();
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172 | chart.ChartAreas[0].AxisY.IsMarginVisible = YAxisValue != AxisDimension.Index.ToString();
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173 |
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174 | if (Content != null) {
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175 | var items = GetAvailableItems();
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176 | foreach (var item in items) {
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177 | var x = GetValue(item, XAxisValue);
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178 | var y = GetValue(item, YAxisValue);
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179 | var s = GetValue(item, SizeAxisValue);
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180 | if (x.HasValue && y.HasValue && s.HasValue) {
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181 | var dataPoint = new DataPoint(x.Value, new[] { y.Value, s.Value });
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182 | series.Points.Add(dataPoint);
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183 | }
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184 | }
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185 | }
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186 | }
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187 | private double? GetValue(RecursiveDataItem item, string key) {
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188 | if (item == null || string.IsNullOrEmpty(key))
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189 | return null;
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190 |
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191 | if (Enum.IsDefined(typeof(AxisDimension), key)) {
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192 | var axisDimension = (AxisDimension)Enum.Parse(typeof(AxisDimension), key);
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193 | return GetValue(item, axisDimension);
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194 | } else if (Enum.IsDefined(typeof(SizeDimension), key)) {
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195 | var sizeDimension = (SizeDimension)Enum.Parse(typeof(SizeDimension), key);
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196 | return GetValue(item, sizeDimension);
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197 | } else if (item.Data.ContainsKey(key)) {
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198 | IItem value = item.Data[key];
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199 | var doubleValue = value as DoubleValue;
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200 | var intValue = value as IntValue;
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201 | var timeSpanValue = value as TimeSpanValue;
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202 | double? ret = null;
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203 | if (doubleValue != null) {
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204 | if (!double.IsNaN(doubleValue.Value) && !double.IsInfinity(doubleValue.Value))
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205 | ret = doubleValue.Value;
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206 | } else if (intValue != null)
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207 | ret = intValue.Value;
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208 | else if (timeSpanValue != null)
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209 | ret = timeSpanValue.Value.TotalSeconds;
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210 | else
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211 | ret = GetCategoricalValue(item, key, value.ToString());
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212 | return ret;
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213 | } else {
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214 | return null;
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215 | }
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216 | }
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217 | private double? GetCategoricalValue(RecursiveDataItem item, string key, string value) {
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218 | if (!categoricalMapping.ContainsKey(key)) {
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219 | categoricalMapping[key] = new Dictionary<object, double>();
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220 | var orderedCategories =
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221 | GetAvailableItems().Where(x => x.Data.ContainsKey(key)).Select(x => x.Data[key].ToString())
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222 | .Distinct().OrderBy(x => x, new NaturalStringComparer());
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223 | int count = 1;
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224 | foreach (var category in orderedCategories) {
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225 | categoricalMapping[key].Add(category, count);
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226 | count++;
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227 | }
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228 | }
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229 | if (!this.categoricalMapping[key].ContainsKey(value)) return null;
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230 | return this.categoricalMapping[key][value];
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231 | }
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232 | private double GetValue(RecursiveDataItem item, AxisDimension axisDimension) {
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233 | double value = double.NaN;
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234 | switch (axisDimension) {
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235 | case AxisDimension.Index:
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236 | value = itemToIndexMapping[item];
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237 | break;
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238 | default:
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239 | throw new ArgumentException("No handling strategy for " + axisDimension.ToString() + " is defined.");
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240 | }
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241 | return value;
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242 | }
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243 | private double GetValue(RecursiveDataItem item, SizeDimension sizeDimension) {
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244 | double value = double.NaN;
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245 | switch (sizeDimension) {
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246 | case SizeDimension.Constant:
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247 | value = 5;
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248 | break;
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249 | default:
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250 | throw new ArgumentException("No handling strategy for " + sizeDimension.ToString() + " is defined.");
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251 | }
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252 | return value;
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253 | }
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254 | private void RebuildInverseIndex() {
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255 | if (Content != null) {
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256 | itemToIndexMapping.Clear();
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257 | int i = 0;
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258 | foreach (var item in GetAvailableItems()) {
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259 | // ToDo: do not add if key (which one?) is not present within item
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260 | itemToIndexMapping.Add(item, i);
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261 | i++;
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262 | }
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263 | }
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264 | }
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265 |
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266 | private void UpdateAxisLabels() {
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267 | Axis xAxis = chart.ChartAreas[0].AxisX;
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268 | Axis yAxis = chart.ChartAreas[0].AxisY;
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269 | //mkommend: combobox.SelectedIndex could not be used as this changes during hovering over possible values
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270 | var xSAxisSelected = XAxisValue == null ? null : (string)xAxisComboBox.SelectedItem;
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271 | var ySAxisSelected = YAxisValue == null ? null : (string)yAxisComboBox.SelectedItem;
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272 | SetCustomAxisLabels(xAxis, xSAxisSelected);
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273 | SetCustomAxisLabels(yAxis, ySAxisSelected);
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274 | if (XAxisValue != null)
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275 | xAxis.Title = XAxisValue;
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276 | if (YAxisValue != null)
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277 | yAxis.Title = YAxisValue;
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278 | }
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279 | private void chart_AxisViewChanged(object sender, System.Windows.Forms.DataVisualization.Charting.ViewEventArgs e) {
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280 | this.UpdateAxisLabels();
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281 | }
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282 | private void SetCustomAxisLabels(Axis axis, string key) {
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283 | axis.CustomLabels.Clear();
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284 | if (key != null && categoricalMapping.ContainsKey(key)) {
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285 | foreach (var pair in categoricalMapping[key]) {
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286 | string labelText = pair.Key.ToString();
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287 | CustomLabel label = new CustomLabel();
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288 | label.ToolTip = labelText;
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289 | if (labelText.Length > 25)
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290 | labelText = labelText.Substring(0, 25) + " ... ";
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291 | label.Text = labelText;
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292 | label.GridTicks = GridTickTypes.TickMark;
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293 | label.FromPosition = pair.Value - 0.5;
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294 | label.ToPosition = pair.Value + 0.5;
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295 | axis.CustomLabels.Add(label);
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296 | }
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297 | } else if (false && key != null && Content.Data[key] is TimeSpanValue) { // TODO
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298 | chart.ChartAreas[0].RecalculateAxesScale();
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299 | for (double i = axis.Minimum; i <= axis.Maximum; i += axis.LabelStyle.Interval) {
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300 | TimeSpan time = TimeSpan.FromSeconds(i);
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301 | string x = string.Format("{0:00}:{1:00}:{2:00}", time.Hours, time.Minutes, time.Seconds);
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302 | axis.CustomLabels.Add(i - axis.LabelStyle.Interval / 2, i + axis.LabelStyle.Interval / 2, x);
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303 | }
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304 | }
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305 | }
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306 | #endregion
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307 |
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308 | #region Event Handlers
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309 | private void treeView_AfterCheck(object sender, TreeViewEventArgs e) {
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310 | if (updating) return;
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311 | updating = true;
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312 | UpdateComboBoxes();
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313 | UpdateDataPoints();
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314 | updating = false;
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315 | }
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316 | private void treeView_AfterSelect(object sender, TreeViewEventArgs e) {
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317 | //UpdateNodeColors();
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318 | //UpdateComboBoxes();
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319 | //UpdateDataPoints();
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320 | }
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321 |
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322 | private void axisComboBox_SelectedValueChanged(object sender, EventArgs e) {
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323 | if (updating) return;
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324 | updating = true;
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325 | UpdateDataPoints();
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326 | UpdateAxisLabels();
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327 | updating = false;
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328 | }
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329 |
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330 | private void includeChildrenCheckBox_CheckedChanged(object sender, EventArgs e) {
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331 | if (updating) return;
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332 | updating = true;
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333 | UpdateTreeViewCheckBoxes();
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334 | UpdateComboBoxes();
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335 | updating = false;
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336 | }
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337 |
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338 | private void levelNumericUpDown_ValueChanged(object sender, EventArgs e) {
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339 | if (updating) return;
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340 | updating = true;
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341 | UpdateTreeViewCheckBoxes();
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342 | UpdateComboBoxes();
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343 | updating = false;
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344 | }
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345 | #endregion
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346 |
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347 | #region Helpers
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348 | private IEnumerable<TreeNode> IterateAllNodes() {
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349 | return Collect(treeView.Nodes);
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350 | }
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351 | private IEnumerable<TreeNode> IterateCheckedNodes() {
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352 | return IterateAllNodes().Where(t => t.Checked);
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353 | }
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354 | private IEnumerable<TreeNode> Collect(TreeNodeCollection nodes) {
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355 | foreach (TreeNode node in nodes) {
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356 | yield return node;
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357 | foreach (var child in Collect(node.Nodes))
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358 | yield return child;
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359 | }
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360 | }
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361 | #endregion
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362 | }
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363 | }
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