/**
* 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;
}
private MemoryServiceImpl getMemoryService() {
// Make sure the memory service is in the catalog
MemoryServiceImpl service = null;
try {
List<? extends IResolve> members =
CatalogPlugin.getDefault().getLocalCatalog().members(new NullProgressMonitor());
for (IResolve resolve : members) {
if (resolve instanceof MemoryServiceImpl) {
if (URLUtils.urlEquals(resolve.getIdentifier(), MemoryServiceExtensionImpl.URL, true)) {
service = (MemoryServiceImpl) resolve;
break;
}
}
}
} catch (IOException e) {
CatalogPlugin.log("Error finding services", e); // $NON-NLS-1$
}
if (service == null) {
service = new MemoryServiceImpl(MemoryServiceExtensionImpl.URL);
CatalogPlugin.getDefault().getLocalCatalog().add(service);
}
return service;
}
/**
* 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();
}
}
}
}
/**
* Remove a memory datastore from the catalog, since the update is not possible (Caused by:
* java.lang.UnsupportedOperationException: Schema modification not supported)
*
* @param typeName the name of the type to remove, if it is there
*/
public static synchronized void removeMemoryServiceByTypeName(String typeName) {
MemoryServiceImpl service = null;
try {
List<? extends IResolve> members =
CatalogPlugin.getDefault().getLocalCatalog().members(new NullProgressMonitor());
for (IResolve resolve : members) {
if (resolve instanceof MemoryServiceImpl) {
if (URLUtils.urlEquals(resolve.getIdentifier(), MemoryServiceExtensionImpl.URL, true)) {
service = (MemoryServiceImpl) resolve;
break;
}
}
}
if (service == null) return;
MemoryDataStore ds = service.resolve(MemoryDataStore.class, new NullProgressMonitor());
if (Arrays.asList(ds.getTypeNames()).contains(typeName)) {
CatalogPlugin.getDefault().getLocalCatalog().remove(service);
}
} catch (IOException e) {
CatalogPlugin.log("Error finding services", e); // $NON-NLS-1$
}
}
/**
* Generate text from the resolve.getURI()
*
* <p>Note this name is only used as a first try, the ResolveLabelDecorator is expected to provide
* a label based on Name or Title information.
*
* @param element
* @return label based on IResolve.getIdentifier
*/
public String getText(Object element) {
if (element instanceof IResolve) {
IResolve resolve = (IResolve) element;
try {
if (resolve instanceof IGeoResource) {
IGeoResource resource = (IGeoResource) resolve;
String title = resource.getTitle();
// This provider should be non-blocking
// if (title == null) {
// IGeoResourceInfo info = resource.getInfo(new
// NullProgressMonitor());
// if(info != null) {
// title = info.getTitle();
// }
// }
ID id = resource.getID();
if (title == null) {
title = id.labelResource();
}
return title;
} else if (resolve instanceof IService) {
IService service = (IService) resolve;
ID id = service.getID();
String title = service.getTitle();
// if (title == null) {
// IServiceInfo info = service.getInfo(new NullProgressMonitor());
// if (info != null) {
// title = info.getTitle();
// }
// }
if (title == null) {
// we are going to fake something here
String name = id.toString();
name = name.replace('_', ' ');
name = name.replace("%20", " "); // $NON-NLS-1$ //$NON-NLS-2$
return name;
}
if (id.getTypeQualifier() != null) {
return title + "(" + id.getTypeQualifier() + ")";
} else {
return title;
}
} else if (resolve instanceof IProcess) {
IProcess proc = (IProcess) element;
return proc.getInfo(new NullProgressMonitor()).getTitle();
} else if (resolve instanceof ISearch) {
ISearch search = (ISearch) element;
return search.getInfo(new NullProgressMonitor()).getTitle();
} else if (resolve instanceof IResolveFolder) {
IResolveFolder folder = (IResolveFolder) element;
return folder.getID().toString();
} else {
return resolve.getID().toString();
}
} catch (IOException e) {
CatalogUIPlugin.trace("Error fetching the Title for the resource", e); // $NON-NLS-1$
}
}
return super.getText(element);
}
