void setInput(Collection<?> javaElementsOrResources) {
fInput = new JERoot(javaElementsOrResources);
fViewer.setInput(fInput);
ITreeContentProvider tcp = (ITreeContentProvider) fViewer.getContentProvider();
Object[] elements = tcp.getElements(fInput);
if (elements.length > 0) {
fViewer.setSelection(new StructuredSelection(elements[0]));
if (elements.length == 1) {
fViewer.setExpandedState(elements[0], true);
}
}
fDrillDownAdapter.reset();
}
