public IStatus execute(final IProgressMonitor monitor, IAdaptable info)
throws ExecutionException {
Display display = (Display) info.getAdapter(Display.class);
// set map extent
try {
monitor.subTask(Messages.get("OpenMapOperation_calcLayersBounds"));
if (map.getLayers().isEmpty()) {
display.asyncExec(
new Runnable() {
public void run() {
MessageBox box = new MessageBox(page.getWorkbenchWindow().getShell());
box.setText(Messages.get("OpenMapOperation_noLayersText"));
box.setMessage(Messages.get("OpenMapOperation_noLayersMsg"));
box.open();
}
});
return Status.CANCEL_STATUS;
}
final ReferencedEnvelope bbox =
map.getMaxExtent() == null
? calcLayersBounds(map.getLayers(), map.getCRS(), monitor)
: map.getMaxExtent();
if (map.getMaxExtent() == null && bbox != null) {
log.info("### No map max extent -> using calculated values: " + bbox);
map.setMaxExtent(bbox);
}
if (bbox == null && !map.getLayers().isEmpty()) {
display.syncExec(
new Runnable() {
public void run() {
MessageBox box = new MessageBox(page.getWorkbenchWindow().getShell());
box.setText(Messages.get("OpenMapOperation_bboxErrorText"));
box.setMessage(Messages.get("OpenMapOperation_bboxErrorMsg"));
box.open();
}
});
} else {
map.setVisible(true);
}
return Status.OK_STATUS;
} catch (Exception e) {
throw new ExecutionException(e.getLocalizedMessage(), e);
}
}
private ReferencedEnvelope calcLayersBounds(
Collection<ILayer> layers, CoordinateReferenceSystem crs, IProgressMonitor monitor)
throws Exception {
log.debug("### mapCRS: " + crs); // $NON-NLS-1$
ReferencedEnvelope result = null; // new ReferencedEnvelope( crs );
for (ILayer layer : layers) {
try {
IGeoResource res = layer.getGeoResource();
if (res == null) {
continue;
}
ReferencedEnvelope bbox =
SetLayerBoundsOperation.obtainBoundsFromResources(layer, crs, monitor);
if (!bbox.getCoordinateReferenceSystem().equals(crs)) {
bbox = bbox.transform(crs, true);
}
log.debug("layer: " + layer + ", bbox= " + bbox); // $NON-NLS-1$ //$NON-NLS-2$
if (result == null) {
result = bbox;
} else {
result.expandToInclude(bbox);
}
log.debug("result: bbox= " + result); // $NON-NLS-1$
} catch (Exception e) {
// XXX mark layers!?
log.debug("", e); // $NON-NLS-1$
log.warn(
"skipping layer: " + layer.getLabel() + " (" + e.toString(),
e); //$NON-NLS-1$ //$NON-NLS-2$
layer.setLayerStatus(
new LayerStatus(
Status.WARNING,
LayerStatus.UNSPECIFIED,
Messages.get("LayerStatus_noCrs"),
e)); //$NON-NLS-1$
}
}
return result != null ? result : ReferencedEnvelope.EVERYTHING.transform(crs, true);
}
public OpenMapOperation(IMap map, IWorkbenchPage page) {
super(Messages.get("OpenMapOperation_titlePrefix") + map.getLabel());
this.map = map;
this.page = page;
}