@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
ISelection selection = HandlerUtil.getCurrentSelectionChecked(event);
if (!selection.isEmpty()) {
IStructuredSelection sSelection = (IStructuredSelection) selection;
boolean confirmed =
MessageDialog.openConfirm(
HandlerUtil.getActiveShell(event),
"Confirm Delete",
"Please confirm that you wish to delete this metadata.");
if (!confirmed) return null;
MetsProjectNature mpn =
MetsProjectNature.getNatureForMetsObject((EObject) sSelection.getFirstElement());
HashSet<SmLinkType> del = new HashSet<SmLinkType>();
Iterator it = sSelection.iterator();
while (it.hasNext()) {
Object sel = it.next();
if (sel instanceof SmLinkType) {
del.add((SmLinkType) sel);
}
}
Command c =
RemoveCommand.create(
mpn.getEditingDomain(),
mpn.getMets().getStructLink(),
MetsPackage.eINSTANCE.getStructLinkType_SmLink(),
del);
mpn.getCommandStack().execute(c);
}
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang. Object)
*/
@Override
public Object[] getChildren(Object parent) {
// log.debug("getChildren: {}", parent.toString());
try {
if (parent instanceof IFile) {
IFile f = (IFile) parent;
if (IResourceConstants.CROSSWALK_EXTENSION.equals(f.getFileExtension())) {
Map<Integer, MetadataCompartment> results = new HashMap<Integer, MetadataCompartment>();
IProject p = f.getProject();
MetsProjectNature n = (MetsProjectNature) p.getNature(MetsProjectNature.NATURE_ID);
Collection<MdSecType> mdSecs = METSUtils.getAllMdSecTypes(n.getMets());
for (MdSecType mdSec : mdSecs) {
if (f.getName().equals(mdSec.getGROUPID())) {
// crosswalk record IDs end in underscore and row number
String row = mdSec.getID().substring(mdSec.getID().lastIndexOf("_") + 1);
Integer r = Integer.valueOf(Integer.parseInt(row));
MetadataCompartment mc = null;
if (results.get(Integer.valueOf(r)) == null) {
mc = new MetadataCompartment();
mc.row = r.intValue();
results.put(r, mc);
} else {
mc = results.get(r);
}
mc.metadataSections.add(mdSec);
}
}
return results.values().toArray();
}
} else if (parent instanceof MetadataCompartment) {
MetadataCompartment mc = (MetadataCompartment) parent;
return mc.metadataSections.toArray();
}
} catch (CoreException e) {
throw new Error(e);
}
return EMPTY_ARRAY;
}