Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/services/QWSeriesCollection.java @ 5863:4897a58c8746

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River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children af13ceeba52a
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.services;
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10
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11 import org.dive4elements.river.artifacts.model.fixings.QWI;
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12
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13 import org.dive4elements.river.java2d.ShapeUtils;
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14
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15 import org.dive4elements.river.jfree.ShapeRenderer;
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16
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17 import java.awt.BasicStroke;
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18 import java.awt.Color;
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19 import java.awt.Paint;
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20 import java.awt.Shape;
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21
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22 import java.awt.geom.Rectangle2D;
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23
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24 import java.text.DateFormat;
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25 import java.text.SimpleDateFormat;
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26
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27 import java.util.ArrayList;
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28 import java.util.Date;
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29 import java.util.HashMap;
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30 import java.util.List;
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31 import java.util.Map;
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32
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33 import org.jfree.chart.LegendItem;
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34 import org.jfree.chart.LegendItemCollection;
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35
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36 import org.jfree.chart.labels.XYItemLabelGenerator;
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37
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38 import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
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39
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40 import org.jfree.data.xy.XYDataset;
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41 import org.jfree.data.xy.XYSeries;
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42 import org.jfree.data.xy.XYSeriesCollection;
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43
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44 public class QWSeriesCollection
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45 extends XYSeriesCollection
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46 implements XYItemLabelGenerator
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47 {
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48 public interface LabelGenerator {
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49 String createLabel(QWI qw);
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50 } // interface LabelGenerator
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51
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52 public static class DateFormatLabelGenerator
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53 implements LabelGenerator
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54 {
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55 protected DateFormat format;
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56
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57 public DateFormatLabelGenerator() {
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58 this("dd.MM.yyyy");
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59 }
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60
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61 public DateFormatLabelGenerator(String format) {
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62 this(new SimpleDateFormat(format));
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63 }
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64
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65 public DateFormatLabelGenerator(DateFormat format) {
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66 this.format = format;
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67 }
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68
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69 @Override
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70 public String createLabel(QWI qw) {
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71 Date date = qw.getDate();
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72 return date != null ? format.format(date) : "";
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73 }
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74 } // class DateFormatLabelGenerator
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75
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76 public static final LabelGenerator SIMPLE_GENERATOR =
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77 new DateFormatLabelGenerator();
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78
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79 protected Date minDate;
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80 protected Date maxDate;
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81
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82 protected List<List<QWI>> labels;
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83
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84 protected Rectangle2D area;
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85
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86 protected LabelGenerator labelGenerator;
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87
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88 protected Map<ShapeRenderer.Entry, Integer> knownShapes =
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89 new HashMap<ShapeRenderer.Entry, Integer>();
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90
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91 public QWSeriesCollection() {
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92 labels = new ArrayList<List<QWI>>();
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93 labelGenerator = SIMPLE_GENERATOR;
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94 }
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95
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96 public QWSeriesCollection(LabelGenerator labelGenerator) {
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97 this();
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98 this.labelGenerator = labelGenerator;
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99 }
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100
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101 protected static ShapeRenderer.Entry classify(QWI qw) {
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102 boolean interpolated = qw.getInterpolated();
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103
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104 Shape shape = interpolated
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105 ? ShapeUtils.INTERPOLATED_SHAPE
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106 : ShapeUtils.MEASURED_SHAPE;
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107
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108 boolean filled = !interpolated;
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109 Color color = Color.blue;
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110
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111 return new ShapeRenderer.Entry(shape, color, filled);
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112 }
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113
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114 public void add(QWI qw) {
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115
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116 ShapeRenderer.Entry key = classify(qw);
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117
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118 Integer seriesNo = knownShapes.get(key);
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119
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120 XYSeries series;
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121
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122 if (seriesNo == null) {
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123 seriesNo = Integer.valueOf(getSeriesCount());
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124 knownShapes.put(key, seriesNo);
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125 series = new XYSeries(seriesNo, false);
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126 addSeries(series);
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127 labels.add(new ArrayList<QWI>());
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128 }
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129 else {
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130 series = getSeries(seriesNo);
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131 }
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132
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133 series.add(qw.getQ(), qw.getW());
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134
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135 labels.get(seriesNo).add(qw);
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136
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137 extendDateRange(qw);
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138 extendArea(qw);
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139 }
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140
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141 protected void extendDateRange(QWI qw) {
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142 Date date = qw.getDate();
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143 if (date != null) {
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144 if (minDate == null) {
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145 minDate = maxDate = date;
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146 }
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147 else {
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148 if (date.compareTo(minDate) < 0) {
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149 minDate = date;
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150 }
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151 if (date.compareTo(maxDate) > 0) {
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152 maxDate = date;
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153 }
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154 }
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155 }
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156 }
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157
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158 protected void extendArea(QWI qw) {
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159 if (area == null) {
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160 area = new Rectangle2D.Double(
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161 qw.getQ(), qw.getW(), 0d, 0d);
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162 }
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163 else {
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164 area.add(qw.getQ(), qw.getW());
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165 }
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166 }
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167
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168 public Rectangle2D getArea() {
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169 return area;
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170 }
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171
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172 public Date getMinDate() {
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173 return minDate;
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174 }
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175
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176 public Date getMaxDate() {
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177 return maxDate;
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178 }
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179
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180 public LabelGenerator getLabelGenerator() {
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181 return labelGenerator;
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182 }
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183
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184 @Override
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185 public String generateLabel(XYDataset dataset, int series, int item) {
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186 return labelGenerator.createLabel(labels.get(series).get(item));
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187 }
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188
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189 public StandardXYItemRenderer createRenderer() {
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190 StandardXYItemRenderer renderer = new ShapeRenderer(knownShapes);
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191 renderer.setBaseItemLabelGenerator(this);
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192 renderer.setBaseSeriesVisibleInLegend(false);
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193 renderer.setBaseItemLabelsVisible(true);
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194 return renderer;
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195 }
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196
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197 public static final LegendItem legendItem(
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198 String label,
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199 Paint paint,
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200 Shape shape,
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201 boolean filled
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202 ) {
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203 BasicStroke stroke = new BasicStroke();
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204 return new LegendItem(
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205 label, // label
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206 null, // description
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207 null, // tooltip
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208 null, // url
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209 true, // shape visible
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210 shape, // shape
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211 filled, // shape filled
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212 filled ? paint : Color.white, // fill paint
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213 true, // shape outline
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214 paint, // outline paint
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215 stroke, // outline stroke
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216 false, // line visible
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217 shape, // line
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218 stroke, // line stroke
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219 Color.white);
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220 }
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221
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222 public void addLegendItems(
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223 LegendItemCollection lic,
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224 ShapeRenderer.LabelGenerator lg
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225 ) {
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226 for (ShapeRenderer.Entry entry: knownShapes.keySet()) {
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227 lic.add(legendItem(
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228 lg.createLabel(entry),
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229 entry.getPaint(),
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230 entry.getShape(),
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231 entry.getFilled()));
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232 }
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233 }
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234 }
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235 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org