Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/jfree/StripedAreaDataset.java @ 9496:d8e753d0fdb9
stripedArea introduced for Assessment Scheme/Bewertungsschema
| author | gernotbelger |
|---|---|
| date | Wed, 26 Sep 2018 15:48:05 +0200 |
| parents | |
| children | ef5754ba5573 |
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| 9495:bb278c927b66 | 9496:d8e753d0fdb9 |
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| 1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde | |
| 2 * Software engineering by | |
| 3 * Björnsen Beratende Ingenieure GmbH | |
| 4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt | |
| 5 * | |
| 6 * This file is Free Software under the GNU AGPL (>=v3) | |
| 7 * and comes with ABSOLUTELY NO WARRANTY! Check out the | |
| 8 * documentation coming with Dive4Elements River for details. | |
| 9 */ | |
| 10 package org.dive4elements.river.jfree; | |
| 11 | |
| 12 import java.awt.Color; | |
| 13 import java.awt.Font; | |
| 14 import java.util.ArrayList; | |
| 15 import java.util.List; | |
| 16 | |
| 17 import org.dive4elements.artifacts.CallMeta; | |
| 18 import org.dive4elements.river.java2d.ShapeUtils; | |
| 19 import org.dive4elements.river.themes.ThemeDocument; | |
| 20 import org.jfree.chart.LegendItem; | |
| 21 import org.jfree.chart.LegendItemCollection; | |
| 22 import org.jfree.chart.plot.XYPlot; | |
| 23 import org.jfree.data.xy.XYSeries; | |
| 24 import org.jfree.data.xy.XYSeriesCollection; | |
| 25 | |
| 26 /** | |
| 27 * @author Domenico Nardi Tironi | |
| 28 */ | |
| 29 public class StripedAreaDataset extends XYSeriesCollection implements StyledXYDataset { | |
| 30 | |
| 31 public static final class Stripe { | |
| 32 | |
| 33 private final String label; | |
| 34 | |
| 35 private final Color color; | |
| 36 | |
| 37 private final double lower; | |
| 38 | |
| 39 private final double upper; | |
| 40 | |
| 41 public Stripe(final String label, final Color color, final double lower, final double upper) { | |
| 42 this.label = label; | |
| 43 this.color = color; | |
| 44 this.lower = lower; | |
| 45 this.upper = upper; | |
| 46 } | |
| 47 | |
| 48 public String getLabel() { | |
| 49 return this.label; | |
| 50 } | |
| 51 | |
| 52 public Color getColor() { | |
| 53 return this.color; | |
| 54 } | |
| 55 | |
| 56 public double getLower() { | |
| 57 return this.lower; | |
| 58 } | |
| 59 | |
| 60 public double getUpper() { | |
| 61 return this.upper; | |
| 62 } | |
| 63 | |
| 64 } | |
| 65 | |
| 66 private static final long serialVersionUID = 1L; | |
| 67 | |
| 68 private final List<Stripe> stripes = new ArrayList<>(); | |
| 69 | |
| 70 private final ThemeDocument theme; | |
| 71 | |
| 72 public StripedAreaDataset(final ThemeDocument theme) { | |
| 73 this.theme = theme; | |
| 74 } | |
| 75 | |
| 76 public void addStripe(final Stripe stripe) { | |
| 77 | |
| 78 this.stripes.add(stripe); | |
| 79 | |
| 80 final XYSeries stripeSeries = new XYSeries(stripe.getLabel()); | |
| 81 // REMARK: we need at least one item, so the renderer method is called | |
| 82 stripeSeries.add(Double.NaN, Double.NaN); | |
| 83 super.addSeries(stripeSeries); | |
| 84 } | |
| 85 | |
| 86 @Override | |
| 87 public void addSeries(final XYSeries series) { | |
| 88 throw new UnsupportedOperationException(); | |
| 89 } | |
| 90 | |
| 91 Stripe getStripe(final int series) { | |
| 92 return this.stripes.get(series); | |
| 93 } | |
| 94 | |
| 95 @Override | |
| 96 public void applyTheme(final CallMeta callMeta, final XYPlot plot, final int datasetIndex, final Font legendFont) { | |
| 97 | |
| 98 final StripedAreaDatasetRenderer renderer = createRenderer(); | |
| 99 | |
| 100 plot.setRenderer(datasetIndex, renderer); | |
| 101 | |
| 102 final LegendItemCollection newItems = new LegendItemCollection(); | |
| 103 final LegendItemCollection oldItems = plot.getFixedLegendItems(); | |
| 104 | |
| 105 final int seriesCount = getSeriesCount(); | |
| 106 for (int i = 0; i < seriesCount; i++) { | |
| 107 final LegendItem legendItem = renderer.getLegendItem(datasetIndex, i); | |
| 108 if (legendItem != null) { | |
| 109 legendItem.setLabelFont(legendFont); | |
| 110 newItems.add(legendItem); | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 if (oldItems != null) | |
| 115 newItems.addAll(oldItems); | |
| 116 | |
| 117 plot.setFixedLegendItems(newItems); | |
| 118 } | |
| 119 | |
| 120 private StripedAreaDatasetRenderer createRenderer() { | |
| 121 | |
| 122 final int transparency = this.theme.parseAreaTransparency(); | |
| 123 | |
| 124 final StripedAreaDatasetRenderer renderer = new StripedAreaDatasetRenderer(); | |
| 125 for (int i = 0; i < this.stripes.size(); i++) { | |
| 126 | |
| 127 final Color alphaPaint = ShapeUtils.withAlpha(this.stripes.get(i).getColor(), transparency); | |
| 128 renderer.setSeriesPaint(i, alphaPaint); | |
| 129 } | |
| 130 | |
| 131 return renderer; | |
| 132 } | |
| 133 } |