public ObjectDriver evaluate(
DataSourceFactory dsf, DataSource[] tables, Value[] values, IProgressMonitor pm)
throws ExecutionException {
WorkbenchContext wbContext = Services.getService(WorkbenchContext.class);
final GeomarkPanel geomarkPanel =
(GeomarkPanel) wbContext.getWorkbench().getFrame().getView("Geomark");
final String prefix = ((0 == values.length) ? tables[0].getName() : values[0]) + "-";
try {
final SpatialDataSourceDecorator sds = new SpatialDataSourceDecorator(tables[0]);
sds.open();
final int rowCount = (int) sds.getRowCount();
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++) {
if (rowIndex / 100 == rowIndex / 100.0) {
if (pm.isCancelled()) {
break;
} else {
pm.progressTo((int) (100 * rowIndex / rowCount));
}
}
final Envelope envelope = sds.getGeometry(rowIndex).getEnvelopeInternal();
geomarkPanel.add(prefix + rowIndex, envelope);
}
sds.close();
return null;
} catch (DriverException e) {
throw new ExecutionException(e);
}
}
