Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/QWSeriesCollection.java @ 3893:cfed96c53e9a
Return also the river and gauge info-url in a service response
flys-artifacts/trunk@5549 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Bjoern Ricks <bjoern.ricks@intevation.de> |
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date | Fri, 21 Sep 2012 09:57:41 +0000 |
parents | e727e3ebdf85 |
children |
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package de.intevation.flys.artifacts.services; import de.intevation.flys.artifacts.model.fixings.QWI; import de.intevation.flys.java2d.ShapeUtils; import de.intevation.flys.jfree.ShapeRenderer; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Paint; import java.awt.Shape; import java.awt.geom.Rectangle2D; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import org.jfree.chart.LegendItem; import org.jfree.chart.LegendItemCollection; import org.jfree.chart.labels.XYItemLabelGenerator; import org.jfree.chart.renderer.xy.StandardXYItemRenderer; import org.jfree.data.xy.XYDataset; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; public class QWSeriesCollection extends XYSeriesCollection implements XYItemLabelGenerator { public interface LabelGenerator { String createLabel(QWI qw); } // interface LabelGenerator public static class DateFormatLabelGenerator implements LabelGenerator { protected DateFormat format; public DateFormatLabelGenerator() { this("dd.MM.yyyy"); } public DateFormatLabelGenerator(String format) { this(new SimpleDateFormat(format)); } public DateFormatLabelGenerator(DateFormat format) { this.format = format; } @Override public String createLabel(QWI qw) { Date date = qw.getDate(); return date != null ? format.format(date) : ""; } } // class DateFormatLabelGenerator public static final LabelGenerator SIMPLE_GENERATOR = new DateFormatLabelGenerator(); protected Date minDate; protected Date maxDate; protected List<List<QWI>> labels; protected Rectangle2D area; protected LabelGenerator labelGenerator; protected Map<ShapeRenderer.Entry, Integer> knownShapes = new HashMap<ShapeRenderer.Entry, Integer>(); public QWSeriesCollection() { labels = new ArrayList<List<QWI>>(); labelGenerator = SIMPLE_GENERATOR; } public QWSeriesCollection(LabelGenerator labelGenerator) { this(); this.labelGenerator = labelGenerator; } protected static ShapeRenderer.Entry classify(QWI qw) { boolean interpolated = qw.getInterpolated(); Shape shape = interpolated ? ShapeUtils.INTERPOLATED_SHAPE : ShapeUtils.MEASURED_SHAPE; boolean filled = !interpolated; Color color = Color.blue; return new ShapeRenderer.Entry(shape, color, filled); } public void add(QWI qw) { ShapeRenderer.Entry key = classify(qw); Integer seriesNo = knownShapes.get(key); XYSeries series; if (seriesNo == null) { seriesNo = Integer.valueOf(getSeriesCount()); knownShapes.put(key, seriesNo); series = new XYSeries(seriesNo, false); addSeries(series); labels.add(new ArrayList<QWI>()); } else { series = getSeries(seriesNo); } series.add(qw.getQ(), qw.getW()); labels.get(seriesNo).add(qw); extendDateRange(qw); extendArea(qw); } protected void extendDateRange(QWI qw) { Date date = qw.getDate(); if (date != null) { if (minDate == null) { minDate = maxDate = date; } else { if (date.compareTo(minDate) < 0) { minDate = date; } if (date.compareTo(maxDate) > 0) { maxDate = date; } } } } protected void extendArea(QWI qw) { if (area == null) { area = new Rectangle2D.Double( qw.getQ(), qw.getW(), 0d, 0d); } else { area.add(qw.getQ(), qw.getW()); } } public Rectangle2D getArea() { return area; } public Date getMinDate() { return minDate; } public Date getMaxDate() { return maxDate; } public LabelGenerator getLabelGenerator() { return labelGenerator; } @Override public String generateLabel(XYDataset dataset, int series, int item) { return labelGenerator.createLabel(labels.get(series).get(item)); } public StandardXYItemRenderer createRenderer() { StandardXYItemRenderer renderer = new ShapeRenderer(knownShapes); renderer.setBaseItemLabelGenerator(this); renderer.setBaseSeriesVisibleInLegend(false); renderer.setBaseItemLabelsVisible(true); return renderer; } public static final LegendItem legendItem( String label, Paint paint, Shape shape, boolean filled ) { BasicStroke stroke = new BasicStroke(); return new LegendItem( label, // label null, // description null, // tooltip null, // url true, // shape visible shape, // shape filled, // shape filled filled ? paint : Color.white, // fill paint true, // shape outline paint, // outline paint stroke, // outline stroke false, // line visible shape, // line stroke, // line stroke Color.white); } public void addLegendItems( LegendItemCollection lic, ShapeRenderer.LabelGenerator lg ) { for (ShapeRenderer.Entry entry: knownShapes.keySet()) { lic.add(legendItem( lg.createLabel(entry), entry.getPaint(), entry.getShape(), entry.getFilled())); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :