Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/QWSeriesCollection.java @ 4173:7d4480c0e68e

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Allow users to select the current relevant discharge table in historical discharge table calculattion. In addition to this, the discharge tables in the helper panel displayed in the client is ordered in time.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 18 Oct 2012 12:13:48 +0200
parents e727e3ebdf85
children
rev   line source
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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.QWI;
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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(QWI 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("dd.MM.yyyy");
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51 }
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52
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53 public DateFormatLabelGenerator(String format) {
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54 this(new SimpleDateFormat(format));
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55 }
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56
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57 public DateFormatLabelGenerator(DateFormat format) {
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58 this.format = format;
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59 }
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60
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61 @Override
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62 public String createLabel(QWI qw) {
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63 Date date = qw.getDate();
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64 return date != null ? format.format(date) : "";
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65 }
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66 } // class DateFormatLabelGenerator
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67
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68 public static final LabelGenerator SIMPLE_GENERATOR =
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69 new DateFormatLabelGenerator();
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70
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71 protected Date minDate;
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72 protected Date maxDate;
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73
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74 protected List<List<QWI>> labels;
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75
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76 protected Rectangle2D area;
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77
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78 protected LabelGenerator labelGenerator;
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79
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80 protected Map<ShapeRenderer.Entry, Integer> knownShapes =
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81 new HashMap<ShapeRenderer.Entry, Integer>();
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82
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83 public QWSeriesCollection() {
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84 labels = new ArrayList<List<QWI>>();
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85 labelGenerator = SIMPLE_GENERATOR;
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86 }
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87
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88 public QWSeriesCollection(LabelGenerator labelGenerator) {
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89 this();
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90 this.labelGenerator = labelGenerator;
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91 }
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92
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93 protected static ShapeRenderer.Entry classify(QWI qw) {
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94 boolean interpolated = qw.getInterpolated();
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95
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96 Shape shape = interpolated
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97 ? ShapeUtils.INTERPOLATED_SHAPE
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98 : ShapeUtils.MEASURED_SHAPE;
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99
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100 boolean filled = !interpolated;
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101 Color color = Color.blue;
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102
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103 return new ShapeRenderer.Entry(shape, color, filled);
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104 }
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105
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106 public void add(QWI qw) {
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107
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108 ShapeRenderer.Entry key = classify(qw);
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109
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110 Integer seriesNo = knownShapes.get(key);
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111
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112 XYSeries series;
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113
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114 if (seriesNo == null) {
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115 seriesNo = Integer.valueOf(getSeriesCount());
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116 knownShapes.put(key, seriesNo);
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117 series = new XYSeries(seriesNo, false);
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118 addSeries(series);
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119 labels.add(new ArrayList<QWI>());
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120 }
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121 else {
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122 series = getSeries(seriesNo);
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123 }
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124
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125 series.add(qw.getQ(), qw.getW());
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126
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127 labels.get(seriesNo).add(qw);
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128
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129 extendDateRange(qw);
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130 extendArea(qw);
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131 }
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132
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133 protected void extendDateRange(QWI qw) {
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134 Date date = qw.getDate();
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135 if (date != null) {
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136 if (minDate == null) {
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137 minDate = maxDate = date;
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138 }
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139 else {
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140 if (date.compareTo(minDate) < 0) {
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141 minDate = date;
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142 }
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143 if (date.compareTo(maxDate) > 0) {
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144 maxDate = date;
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145 }
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146 }
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147 }
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148 }
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149
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150 protected void extendArea(QWI qw) {
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151 if (area == null) {
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152 area = new Rectangle2D.Double(
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153 qw.getQ(), qw.getW(), 0d, 0d);
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154 }
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155 else {
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156 area.add(qw.getQ(), qw.getW());
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157 }
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158 }
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159
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160 public Rectangle2D getArea() {
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161 return area;
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162 }
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163
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164 public Date getMinDate() {
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165 return minDate;
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166 }
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167
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168 public Date getMaxDate() {
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169 return maxDate;
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170 }
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171
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172 public LabelGenerator getLabelGenerator() {
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173 return labelGenerator;
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174 }
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175
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176 @Override
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177 public String generateLabel(XYDataset dataset, int series, int item) {
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178 return labelGenerator.createLabel(labels.get(series).get(item));
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179 }
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180
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181 public StandardXYItemRenderer createRenderer() {
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182 StandardXYItemRenderer renderer = new ShapeRenderer(knownShapes);
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183 renderer.setBaseItemLabelGenerator(this);
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184 renderer.setBaseSeriesVisibleInLegend(false);
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185 renderer.setBaseItemLabelsVisible(true);
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186 return renderer;
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187 }
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188
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189 public static final LegendItem legendItem(
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190 String label,
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191 Paint paint,
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192 Shape shape,
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193 boolean filled
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194 ) {
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195 BasicStroke stroke = new BasicStroke();
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196 return new LegendItem(
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197 label, // label
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198 null, // description
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199 null, // tooltip
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200 null, // url
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201 true, // shape visible
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202 shape, // shape
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203 filled, // shape filled
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204 filled ? paint : Color.white, // fill paint
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205 true, // shape outline
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206 paint, // outline paint
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207 stroke, // outline stroke
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208 false, // line visible
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209 shape, // line
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210 stroke, // line stroke
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211 Color.white);
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212 }
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213
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214 public void addLegendItems(
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215 LegendItemCollection lic,
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216 ShapeRenderer.LabelGenerator lg
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217 ) {
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218 for (ShapeRenderer.Entry entry: knownShapes.keySet()) {
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219 lic.add(legendItem(
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220 lg.createLabel(entry),
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221 entry.getPaint(),
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222 entry.getShape(),
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223 entry.getFilled()));
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224 }
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225 }
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226 }
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227 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org