public TreePath[] getPathsFor(Object element) {
Object value = element2TreePaths == null ? null : element2TreePaths.get(element);
if (value == null) {
return EMPTY_TREE_PATHS;
} else if (value instanceof TreePath) {
return new TreePath[] {(TreePath) value};
} else if (value instanceof List) {
List l = (List) value;
return (TreePath[]) l.toArray(new TreePath[l.size()]);
} else {
// should not happen:
Assert.isTrue(false, "Unhandled case"); // $NON-NLS-1$
return null;
}
}
private InitializeData(TreePath[] paths, IElementComparer comparer) {
this.paths = new TreePath[paths.length];
System.arraycopy(paths, 0, this.paths, 0, paths.length);
element2TreePaths = new CustomHashtable(comparer);
int size = paths.length;
selection = new ArrayList(size);
for (int i = 0; i < size; i++) {
Object lastSegment = paths[i].getLastSegment();
Object mapped = element2TreePaths.get(lastSegment);
if (mapped == null) {
selection.add(lastSegment);
element2TreePaths.put(lastSegment, paths[i]);
} else if (mapped instanceof List) {
((List) mapped).add(paths[i]);
} else {
List newMapped = new ArrayList(2);
newMapped.add(mapped);
newMapped.add(paths[i]);
element2TreePaths.put(lastSegment, newMapped);
}
}
}