sascha@422: package de.intevation.gnv.jfreechart;
sascha@422: 
sascha@422: import java.util.List;
sascha@422: import java.util.ArrayList;
sascha@422: 
sascha@422: import org.jfree.data.Range;
sascha@422: import org.jfree.data.general.AbstractSeriesDataset;
sascha@422: 
sascha@422: /**
sascha@422:  * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
sascha@422:  */
sascha@422: public class PolygonDataset
sascha@422: extends      AbstractSeriesDataset
sascha@422: {
sascha@422:     /** PolygonSeries included in this Dataset */
sascha@422:     private List data;
sascha@422: 
sascha@422: 
sascha@422:     public PolygonDataset() {
sascha@422:         this(null);
sascha@422:     }
sascha@422: 
sascha@422: 
sascha@422:     public PolygonDataset(PolygonSeries series) {
sascha@422:         data = new ArrayList();
sascha@422: 
sascha@422:         if (series != null) {
sascha@422:             data.add(series);
sascha@422:         }
sascha@422:     }
sascha@422: 
sascha@422: 
sascha@422:     public void addSeries(PolygonSeries series) {
sascha@422:         if (series == null)
sascha@422:             throw new IllegalArgumentException("Null 'series' argument.");
sascha@422: 
sascha@422:         data.add(series);
sascha@422:     }
sascha@422: 
sascha@422: 
sascha@422:     public Range getDomainBounds() {
sascha@422:         double lower       = Double.POSITIVE_INFINITY;
sascha@422:         double upper       = Double.NEGATIVE_INFINITY;
sascha@422:         int    seriesCount = getSeriesCount();
sascha@422: 
sascha@422:         for (int s = 0; s < seriesCount; s++) {
sascha@422:             PolygonSeries series = getSeries(s);
sascha@422: 
sascha@422:             Range domainRange = series.getDomainBounds();
sascha@422:             double minX = domainRange.getLowerBound();
sascha@422:             if (!Double.isNaN(minX)) {
sascha@422:                 lower = Math.min(lower, minX);
sascha@422:             }
sascha@422: 
sascha@422:             double maxX = domainRange.getUpperBound();
sascha@422:             if (!Double.isNaN(maxX)) {
sascha@422:                 upper = Math.max(upper, maxX);
sascha@422:             }
sascha@422:         }
sascha@422: 
sascha@422:         return new Range(lower, upper);
sascha@422:     }
sascha@422: 
sascha@422: 
sascha@422:     public Range getRangeBounds() {
sascha@422:         double lower       = Double.POSITIVE_INFINITY;
sascha@422:         double upper       = Double.NEGATIVE_INFINITY;
sascha@422:         int    seriesCount = getSeriesCount();
sascha@422: 
sascha@422:         for (int i = 0; i < seriesCount; i++) {
sascha@422:             PolygonSeries series = getSeries(i);
sascha@422: 
sascha@422:             Range range = series.getRangeBounds();
sascha@422:             double minX = range.getLowerBound();
sascha@422:             if (!Double.isNaN(minX)) {
sascha@422:                 lower = Math.min(lower, minX);
sascha@422:             }
sascha@422: 
sascha@422:             double maxX = range.getUpperBound();
sascha@422:             if (!Double.isNaN(maxX)) {
sascha@422:                 upper = Math.max(upper, maxX);
sascha@422:             }
sascha@422:         }
sascha@422: 
sascha@422:         return new Range(lower, upper);
sascha@422:     }
sascha@422: 
sascha@422: 
sascha@422:     public int getSeriesCount() {
sascha@422:         return data.size();
sascha@422:     }
sascha@422: 
sascha@422: 
sascha@422:     public Comparable getSeriesKey(int series) {
sascha@422:         return ((PolygonSeries)data.get(series)).getKey();
sascha@422:     }
sascha@422: 
sascha@422: 
sascha@422:     public PolygonSeries getSeries(int idx) {
sascha@422:         return (PolygonSeries)data.get(idx);
sascha@422:     }
sascha@422: }
sascha@422: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :