Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/QWSeriesCollection.java @ 3162:0d8146989012
Added labeling for Q/W points FixingsKMChartService.
flys-artifacts/trunk@4774 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 25 Jun 2012 11:38:33 +0000 |
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children | 6d0567a8387d |
rev | line source |
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3162
0d8146989012
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1 package de.intevation.flys.artifacts.services; |
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2 |
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3 import de.intevation.flys.artifacts.model.fixings.QW; |
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4 |
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5 import de.intevation.flys.java2d.ShapeUtils; |
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6 |
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7 import de.intevation.flys.jfree.ShapeRenderer; |
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8 |
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9 import java.awt.BasicStroke; |
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10 import java.awt.Color; |
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11 import java.awt.Paint; |
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12 import java.awt.Shape; |
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13 |
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14 import java.awt.geom.Rectangle2D; |
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15 |
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16 import java.text.DateFormat; |
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17 import java.text.SimpleDateFormat; |
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18 |
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19 import java.util.ArrayList; |
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20 import java.util.Date; |
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21 import java.util.HashMap; |
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22 import java.util.List; |
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23 import java.util.Map; |
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24 |
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25 import org.jfree.chart.LegendItem; |
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26 import org.jfree.chart.LegendItemCollection; |
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27 |
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28 import org.jfree.chart.labels.XYItemLabelGenerator; |
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29 |
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30 import org.jfree.chart.renderer.xy.StandardXYItemRenderer; |
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31 |
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32 import org.jfree.data.xy.XYDataset; |
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33 import org.jfree.data.xy.XYSeries; |
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34 import org.jfree.data.xy.XYSeriesCollection; |
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35 |
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36 public class QWSeriesCollection |
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37 extends XYSeriesCollection |
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38 implements XYItemLabelGenerator |
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39 { |
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40 public interface LabelGenerator { |
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41 String createLabel(QW qw); |
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42 } // interface LabelGenerator |
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43 |
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44 public static class DateFormatLabelGenerator |
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45 implements LabelGenerator |
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46 { |
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47 protected DateFormat format; |
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48 |
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49 public DateFormatLabelGenerator() { |
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50 this(new SimpleDateFormat("dd.MM.yyyy")); |
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51 } |
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52 |
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53 public DateFormatLabelGenerator(DateFormat format) { |
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54 this.format = format; |
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55 } |
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56 |
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57 @Override |
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58 public String createLabel(QW qw) { |
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59 Date date = qw.getDate(); |
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60 return date != null ? format.format(date) : ""; |
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61 } |
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62 } // class DateFormatLabelGenerator |
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63 |
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64 public static final LabelGenerator SIMPLE_GENERATOR = |
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65 new DateFormatLabelGenerator(); |
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66 |
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67 protected Date minDate; |
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68 protected Date maxDate; |
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69 |
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70 protected List<List<QW>> labels; |
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71 |
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72 protected Rectangle2D area; |
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73 |
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74 protected LabelGenerator labelGenerator; |
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75 |
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76 protected Map<ShapeRenderer.Entry, Integer> knownShapes = |
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77 new HashMap<ShapeRenderer.Entry, Integer>(); |
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78 |
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79 public QWSeriesCollection() { |
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80 labels = new ArrayList<List<QW>>(); |
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81 labelGenerator = SIMPLE_GENERATOR; |
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82 } |
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83 |
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84 public QWSeriesCollection(LabelGenerator labelGenerator) { |
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85 this(); |
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86 this.labelGenerator = labelGenerator; |
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87 } |
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88 |
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89 protected static ShapeRenderer.Entry classify(QW qw) { |
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90 Shape shape = qw.getInterpolated() |
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91 ? ShapeUtils.INTERPOLATED_SHAPE |
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92 : ShapeUtils.MEASURED_SHAPE; |
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93 |
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94 boolean filled = !qw.getInterpolated(); |
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95 |
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96 return new ShapeRenderer.Entry( |
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97 shape, Color.black, filled); |
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98 } |
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99 |
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100 public void add(QW qw) { |
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101 |
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102 ShapeRenderer.Entry key = classify(qw); |
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103 |
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104 Integer seriesNo = knownShapes.get(key); |
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105 |
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106 XYSeries series; |
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107 |
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108 if (seriesNo == null) { |
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109 seriesNo = Integer.valueOf(getSeriesCount()); |
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110 knownShapes.put(key, seriesNo); |
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111 series = new XYSeries(seriesNo, false); |
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112 addSeries(series); |
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113 labels.add(new ArrayList<QW>()); |
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114 } |
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115 else { |
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116 series = getSeries(seriesNo); |
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117 } |
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118 |
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119 series.add(qw.getQ(), qw.getW()); |
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120 |
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121 labels.get(seriesNo).add(qw); |
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122 |
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123 extendDateRange(qw); |
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124 extendArea(qw); |
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125 } |
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126 |
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127 protected void extendDateRange(QW qw) { |
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128 Date date = qw.getDate(); |
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129 if (date != null) { |
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130 if (minDate == null) { |
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131 minDate = maxDate = date; |
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132 } |
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133 else { |
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134 if (date.compareTo(minDate) < 0) { |
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135 minDate = date; |
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136 } |
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137 if (date.compareTo(maxDate) > 0) { |
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138 maxDate = date; |
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139 } |
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140 } |
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141 } |
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142 } |
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143 |
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144 protected void extendArea(QW qw) { |
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145 if (area == null) { |
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146 area = new Rectangle2D.Double( |
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147 qw.getQ(), qw.getW(), 0d, 0d); |
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148 } |
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149 else { |
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150 area.add(qw.getQ(), qw.getW()); |
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151 } |
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152 } |
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153 |
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154 public Rectangle2D getArea() { |
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155 return area; |
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156 } |
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157 |
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158 public Date getMinDate() { |
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159 return minDate; |
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160 } |
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161 |
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162 public Date getMaxDate() { |
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163 return maxDate; |
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164 } |
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165 |
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166 public LabelGenerator getLabelGenerator() { |
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167 return labelGenerator; |
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168 } |
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169 |
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170 @Override |
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171 public String generateLabel(XYDataset dataset, int series, int item) { |
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172 return labelGenerator.createLabel(labels.get(series).get(item)); |
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173 } |
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174 |
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175 public StandardXYItemRenderer createRenderer() { |
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176 StandardXYItemRenderer renderer = new ShapeRenderer(knownShapes); |
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177 renderer.setBaseItemLabelGenerator(this); |
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178 renderer.setBaseSeriesVisibleInLegend(false); |
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179 renderer.setBaseItemLabelsVisible(true); |
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180 return renderer; |
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181 } |
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182 |
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183 public static final LegendItem legendItem( |
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184 String label, |
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185 Paint paint, |
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186 Shape shape, |
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187 boolean filled |
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188 ) { |
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189 BasicStroke stroke = new BasicStroke(); |
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190 return new LegendItem( |
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191 label, // label |
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192 null, // description |
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193 null, // tooltip |
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194 null, // url |
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195 true, // shape visible |
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196 shape, // shape |
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197 filled, // shape filled |
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198 filled ? paint : Color.white, // fill paint |
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199 true, // shape outline |
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200 paint, // outline paint |
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201 stroke, // outline stroke |
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202 false, // line visible |
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203 shape, // line |
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204 stroke, // line stroke |
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205 Color.white); |
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206 } |
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207 |
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208 public void addLegendItems(LegendItemCollection lic) { |
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209 for (ShapeRenderer.Entry entry: knownShapes.keySet()) { |
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210 // TODO: i18n |
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211 String label = entry.getFilled() |
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212 ? "gemessene Werte" |
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213 : "interpolierte Werte"; |
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214 lic.add(legendItem( |
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215 label, |
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216 entry.getPaint(), |
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217 entry.getShape(), |
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218 entry.getFilled())); |
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219 } |
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220 } |
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221 } |
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222 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |