@SuppressWarnings("rawtypes")
@Override
public void zoom(Rectangle selection) {
if (map == null || layer == null) {
return;
}
Set<FeatureId> selected = new HashSet<FeatureId>();
try {
XYSeriesCollection ds = (XYSeriesCollection) getChart().getXYPlot().getDataset(2);
XYSeries selectionSeries = ds.getSeries(0);
selectionSeries.clear();
EntityCollection entities = this.getChartRenderingInfo().getEntityCollection();
Iterator iter = entities.iterator();
while (iter.hasNext()) {
ChartEntity entity = (ChartEntity) iter.next();
if (entity instanceof XYItemEntity) {
XYItemEntity item = (XYItemEntity) entity;
if (item.getSeriesIndex() != 0) {
continue;
}
java.awt.Rectangle bound = item.getArea().getBounds();
if (selection.intersects(bound.x, bound.y, bound.width, bound.height)) {
XYSeriesCollection dataSet = (XYSeriesCollection) item.getDataset();
XYSeries xySeries = dataSet.getSeries(item.getSeriesIndex());
XYDataItem xyDataItem = xySeries.getDataItem(item.getItem());
if (xyDataItem instanceof XYDataItem2) {
XYDataItem2 dataItem = (XYDataItem2) xyDataItem;
selectionSeries.add(dataItem);
selected.add(ff.featureId(dataItem.getFeature().getID()));
}
}
}
}
} catch (Exception e) {
// skip
} finally {
if (selected.size() > 0) {
map.select(ff.id(selected), layer);
} else {
map.select(Filter.EXCLUDE, layer);
}
this.forceRedraw();
}
}
