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annotate artifacts/src/main/java/org/dive4elements/river/jfree/StripedAreaDataset.java @ 9496:d8e753d0fdb9

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stripedArea introduced for Assessment Scheme/Bewertungsschema
author gernotbelger
date Wed, 26 Sep 2018 15:48:05 +0200
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children ef5754ba5573
rev   line source
9496
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1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by
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3 * Björnsen Beratende Ingenieure GmbH
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
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5 *
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6 * This file is Free Software under the GNU AGPL (>=v3)
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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8 * documentation coming with Dive4Elements River for details.
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9 */
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10 package org.dive4elements.river.jfree;
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11
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12 import java.awt.Color;
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13 import java.awt.Font;
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14 import java.util.ArrayList;
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15 import java.util.List;
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16
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17 import org.dive4elements.artifacts.CallMeta;
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18 import org.dive4elements.river.java2d.ShapeUtils;
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19 import org.dive4elements.river.themes.ThemeDocument;
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20 import org.jfree.chart.LegendItem;
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21 import org.jfree.chart.LegendItemCollection;
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22 import org.jfree.chart.plot.XYPlot;
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23 import org.jfree.data.xy.XYSeries;
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24 import org.jfree.data.xy.XYSeriesCollection;
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25
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26 /**
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27 * @author Domenico Nardi Tironi
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28 */
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29 public class StripedAreaDataset extends XYSeriesCollection implements StyledXYDataset {
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30
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31 public static final class Stripe {
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32
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33 private final String label;
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34
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35 private final Color color;
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36
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37 private final double lower;
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38
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39 private final double upper;
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40
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41 public Stripe(final String label, final Color color, final double lower, final double upper) {
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42 this.label = label;
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43 this.color = color;
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44 this.lower = lower;
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45 this.upper = upper;
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46 }
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47
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48 public String getLabel() {
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49 return this.label;
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50 }
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51
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52 public Color getColor() {
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53 return this.color;
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54 }
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55
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56 public double getLower() {
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57 return this.lower;
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58 }
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59
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60 public double getUpper() {
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61 return this.upper;
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62 }
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63
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64 }
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65
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66 private static final long serialVersionUID = 1L;
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67
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68 private final List<Stripe> stripes = new ArrayList<>();
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69
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70 private final ThemeDocument theme;
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71
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72 public StripedAreaDataset(final ThemeDocument theme) {
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73 this.theme = theme;
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74 }
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75
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76 public void addStripe(final Stripe stripe) {
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77
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78 this.stripes.add(stripe);
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79
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80 final XYSeries stripeSeries = new XYSeries(stripe.getLabel());
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81 // REMARK: we need at least one item, so the renderer method is called
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82 stripeSeries.add(Double.NaN, Double.NaN);
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83 super.addSeries(stripeSeries);
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84 }
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85
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86 @Override
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87 public void addSeries(final XYSeries series) {
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88 throw new UnsupportedOperationException();
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89 }
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90
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91 Stripe getStripe(final int series) {
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92 return this.stripes.get(series);
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93 }
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94
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95 @Override
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96 public void applyTheme(final CallMeta callMeta, final XYPlot plot, final int datasetIndex, final Font legendFont) {
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97
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98 final StripedAreaDatasetRenderer renderer = createRenderer();
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99
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100 plot.setRenderer(datasetIndex, renderer);
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101
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102 final LegendItemCollection newItems = new LegendItemCollection();
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103 final LegendItemCollection oldItems = plot.getFixedLegendItems();
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104
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105 final int seriesCount = getSeriesCount();
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106 for (int i = 0; i < seriesCount; i++) {
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107 final LegendItem legendItem = renderer.getLegendItem(datasetIndex, i);
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108 if (legendItem != null) {
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109 legendItem.setLabelFont(legendFont);
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110 newItems.add(legendItem);
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111 }
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112 }
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113
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114 if (oldItems != null)
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115 newItems.addAll(oldItems);
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116
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117 plot.setFixedLegendItems(newItems);
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118 }
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119
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120 private StripedAreaDatasetRenderer createRenderer() {
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121
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122 final int transparency = this.theme.parseAreaTransparency();
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123
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124 final StripedAreaDatasetRenderer renderer = new StripedAreaDatasetRenderer();
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125 for (int i = 0; i < this.stripes.size(); i++) {
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126
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127 final Color alphaPaint = ShapeUtils.withAlpha(this.stripes.get(i).getColor(), transparency);
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128 renderer.setSeriesPaint(i, alphaPaint);
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129 }
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130
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131 return renderer;
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132 }
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133 }
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