/**
* Returns a mapgraphics layer by its class.
*
* @param theClass the class of the mapgraphics.
* @return the layer or null, if none was found (not visible or not existing).
*/
public static ILayer getMapgraphicLayerByClass(Class<?> theClass) {
try {
List<IResolve> mapgraphics =
CatalogPlugin.getDefault().getLocalCatalog().find(MapGraphicService.SERVICE_URL, null);
List<IResolve> members = mapgraphics.get(0).members(null);
for (IResolve resolve : members) {
if (resolve.canResolve(theClass)) {
IGeoResource resolve2 = resolve.resolve(IGeoResource.class, null);
String resName = resolve2.getInfo(new NullProgressMonitor()).getName();
List<ILayer> mapLayers = ApplicationGIS.getActiveMap().getMapLayers();
for (ILayer layer : mapLayers) {
if (layer.getName().trim().equals(resName.trim())) {
return layer;
}
}
}
}
} catch (IOException e) {
JGrassPlugin.log(
"JGrassPlugin problem: eu.hydrologis.udig.catalog.utils#JGrassCatalogUtilities#getMapgraphicLayerByClass",
e); //$NON-NLS-1$
e.printStackTrace();
return null;
}
return null;
}
/**
* Find a resource from its url and add it to the map
*
* @param url the resources url
* @param progressMonitor
* @param addPosition the position into which to put it, 0 is most lower
* @param map the map to which to add the resource to
*/
public static void addResourceFromUrlToMap(
URL url, IProgressMonitor progressMonitor, int addPosition, IMap map) {
synchronized (url) {
ICatalog catalog = CatalogPlugin.getDefault().getLocalCatalog();
// first search the local catalog.
List<IResolve> matches = catalog.find(url, new SubProgressMonitor(progressMonitor, 2));
for (IResolve resolve : matches) {
List<IResolve> members = null;
try {
List<IGeoResource> geoResources = new ArrayList<IGeoResource>();
members = resolve.members(progressMonitor);
if (members.size() < 1 && resolve.canResolve(IGeoResource.class)) {
// if it is a map, it has no members
geoResources.add(resolve.resolve(IGeoResource.class, progressMonitor));
} else if (members.get(0).canResolve(IGeoResource.class)) {
for (IResolve tmp : members) {
IGeoResource finalResolve = tmp.resolve(IGeoResource.class, progressMonitor);
geoResources.add(finalResolve);
}
}
List<? extends ILayer> addedLayers =
ApplicationGIS.addLayersToMap(map, geoResources, addPosition);
if (addedLayers.size() == 0) {
System.out.println("strange");
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}