1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Globalization;
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4 | using System.Xml;
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5 | using HeuristicLab.Core;
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6 | using System.Text;
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7 | using HeuristicLab.Visualization.LabelProvider;
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8 | using HeuristicLab.Visualization.Options;
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9 |
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10 | namespace HeuristicLab.Visualization{
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11 | public delegate void DataRowAddedHandler(IDataRow row);
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12 | public delegate void DataRowRemovedHandler(IDataRow row);
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13 | public delegate void ModelChangedHandler();
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14 |
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15 | public class ChartDataRowsModel : ChartDataModelBase, IChartDataRowsModel{
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16 | private string title = "Title";
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17 | private string xAxisLabel = "";
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18 | private bool showXAxisLabel = true;
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19 | private bool showXAxisGrid = true;
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20 | private ILabelProvider labelProvider = new ContinuousLabelProvider("0.##");
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21 |
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22 | private ViewSettings viewSettings = new ViewSettings();
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23 |
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24 | public bool ShowXAxisGrid {
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25 | get { return showXAxisGrid; }
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26 | set {
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27 | this.showXAxisGrid = value;
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28 | OnModelChanged();
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29 | }
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30 | }
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31 |
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32 | public ILabelProvider XAxisLabelProvider {
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33 | get { return labelProvider; }
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34 | set{
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35 | this.labelProvider = value;
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36 | OnModelChanged();
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37 | }
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38 | }
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39 |
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40 | public List<YAxisDescriptor> YAxes {
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41 | get {
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42 | Dictionary<YAxisDescriptor, object> yaxes = new Dictionary<YAxisDescriptor, object>();
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43 |
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44 | foreach (IDataRow row in rows) {
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45 | yaxes[row.YAxis] = null;
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46 | }
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47 |
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48 | return new List<YAxisDescriptor>(yaxes.Keys);
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49 | }
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50 | }
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51 |
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52 |
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53 | private readonly List<IDataRow> rows = new List<IDataRow>();
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54 | //private readonly List<string> xLabels = new List<string>();
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55 |
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56 | //public List<string> XLabels{
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57 | // get { return xLabels; }
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58 | //}
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59 |
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60 | public List<IDataRow> Rows{
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61 | get { return rows; }
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62 | }
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63 |
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64 | public string Title {
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65 | get { return title; }
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66 | set {
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67 | title = value;
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68 | OnModelChanged();
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69 | }
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70 | }
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71 |
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72 | public string XAxisLabel {
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73 | get { return xAxisLabel; }
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74 | set {
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75 | xAxisLabel = value;
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76 | OnModelChanged();
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77 | }
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78 | }
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79 |
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80 | public bool ShowXAxisLabel {
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81 | get { return showXAxisLabel; }
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82 | set {
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83 | showXAxisLabel = value;
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84 | OnModelChanged();
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85 | }
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86 | }
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87 |
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88 | public override IView CreateView() {
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89 | return new LineChart(this);
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90 | }
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91 |
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92 | //public void AddLabel(string label) {
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93 | // xLabels.Add(label);
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94 | // OnModelChanged();
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95 | //}
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96 |
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97 | //public void AddLabel(string label, int index) {
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98 | // xLabels[index] = label;
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99 | // OnModelChanged();
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100 | //}
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101 |
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102 | //public void AddLabels(string[] labels) {
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103 | // foreach (var s in labels){
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104 | // AddLabel(s);
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105 | // }
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106 | // //OnModelChanged();
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107 | //}
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108 |
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109 | //public void AddLabels(string[] labels, int index) {
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110 | // int i = 0;
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111 | // foreach (var s in labels){
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112 | // AddLabel(s, index + i);
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113 | // i++;
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114 | // }
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115 | // //OnModelChanged();
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116 | //}
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117 |
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118 | //public void ModifyLabel(string label, int index) {
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119 | // xLabels[index] = label;
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120 | // OnModelChanged();
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121 | //}
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122 |
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123 | //public void ModifyLabels(string[] labels, int index) {
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124 | // int i = 0;
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125 | // foreach (var s in labels){
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126 | // ModifyLabel(s, index + i);
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127 | // i++;
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128 | // }
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129 | // //OnModelChanged();
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130 | //}
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131 |
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132 | //public void RemoveLabel(int index) {
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133 | // xLabels.RemoveAt(index);
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134 | // OnModelChanged();
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135 | //}
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136 |
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137 | //public void RemoveLabels(int index, int count) {
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138 | // for (int i = index; i < index + count; i++ ){
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139 | // RemoveLabel(i);
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140 | // }
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141 | // //OnModelChanged();
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142 | //}
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143 |
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144 | private readonly YAxisDescriptor defaultYAxisDescriptor = new YAxisDescriptor();
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145 |
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146 | public void AddDataRow(IDataRow row) {
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147 | if (row.YAxis == null) {
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148 | row.YAxis = defaultYAxisDescriptor;
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149 | }
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150 | rows.Add(row);
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151 | OnDataRowAdded(row);
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152 | }
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153 |
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154 | public void RemoveDataRow(IDataRow row) {
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155 | rows.Remove(row);
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156 | OnDataRowRemoved(row);
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157 | }
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158 |
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159 | public YAxisDescriptor DefaultYAxis {
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160 | get { return defaultYAxisDescriptor; }
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161 | }
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162 |
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163 | // TODO implement calculation of max data row values
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164 | public int MaxDataRowValues {
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165 | get {
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166 | int max = 0;
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167 |
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168 | foreach (IDataRow row in rows) {
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169 | max = Math.Max(max, row.Count);
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170 | }
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171 |
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172 | return max;
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173 | }
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174 | }
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175 |
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176 | public ViewSettings ViewSettings {
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177 | get { return viewSettings; }
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178 | set { viewSettings = value; }
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179 | }
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180 |
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181 | public event ModelChangedHandler ModelChanged;
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182 |
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183 | protected void OnModelChanged() {
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184 | if (ModelChanged != null) {
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185 | ModelChanged();
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186 | }
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187 | }
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188 |
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189 | public event DataRowAddedHandler DataRowAdded;
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190 |
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191 | protected void OnDataRowAdded(IDataRow row) {
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192 | if (DataRowAdded != null) {
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193 | DataRowAdded(row);
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194 | }
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195 | }
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196 |
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197 | public event DataRowRemovedHandler DataRowRemoved;
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198 |
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199 | protected void OnDataRowRemoved(IDataRow row) {
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200 | if (DataRowRemoved != null) {
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201 | DataRowRemoved(row);
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202 | }
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203 | }
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204 |
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205 | public override XmlNode GetXmlNode(string name, XmlDocument document, IDictionary<Guid, IStorable> persistedObjects) {
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206 | XmlNode node = base.GetXmlNode(name, document, persistedObjects);
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207 |
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208 | foreach (IDataRow row in rows) {
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209 | XmlNode columnElement = document.CreateNode(XmlNodeType.Element, "row", null);
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210 |
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211 | XmlAttribute idAttr = document.CreateAttribute("label");
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212 | idAttr.Value = row.Label;
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213 | columnElement.Attributes.Append(idAttr);
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214 |
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215 | StringBuilder builder = new StringBuilder();
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216 |
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217 | for (int i = 0; i < row.Count; i++) {
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218 | if (i == 0) {
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219 | builder.Append(row[i].ToString(CultureInfo.InvariantCulture.NumberFormat));
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220 | //columnElement.InnerText += row[i].ToString(CultureInfo.InvariantCulture.NumberFormat);
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221 | } else {
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222 | builder.Append(";" + row[i].ToString(CultureInfo.InvariantCulture.NumberFormat));
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223 | //columnElement.InnerText += ";" + row[i].ToString(CultureInfo.InvariantCulture.NumberFormat);
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224 | }
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225 | }
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226 | columnElement.InnerText += builder.ToString();
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227 | node.AppendChild(columnElement);
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228 | }
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229 |
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230 | XmlNode labelProviderNode = document.ImportNode(labelProvider.GetLabelProviderXmlNode(), true);
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231 | node.AppendChild(labelProviderNode);
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232 |
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233 | return node;
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234 | }
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235 |
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236 | public override void Populate(XmlNode node, IDictionary<Guid, IStorable> restoredObjects) {
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237 | base.Populate(node, restoredObjects);
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238 |
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239 | foreach (XmlNode dataRow in node.ChildNodes) {
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240 | if (dataRow.Name.Equals("LabelProvider")) {
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241 | labelProvider = labelProvider.PopulateLabelProviderXmlNode(dataRow);
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242 | } else {
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243 | XmlAttributeCollection attrs = dataRow.Attributes;
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244 | XmlAttribute rowIdAttr = (XmlAttribute)attrs.GetNamedItem("label");
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245 | string rowLabel = rowIdAttr.Value;
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246 | DataRow row = new DataRow();
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247 | row.Label = rowLabel;
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248 |
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249 | string[] tokens = dataRow.InnerText.Split(';');
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250 | double[] data = new double[tokens.Length];
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251 | for (int i = 0; i < data.Length; i++) {
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252 | if (tokens[i].Length != 0) {
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253 | if (
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254 | double.TryParse(tokens[i], NumberStyles.Float, CultureInfo.InvariantCulture.NumberFormat, out data[i]) ==
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255 | false) {
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256 | throw new FormatException("Can't parse " + tokens[i] + " as double value.");
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257 | }
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258 | }
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259 | }
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260 | row.AddValues(data);
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261 | AddDataRow(row);
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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 | }
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