public void prepareOptionPanelBuilder(OptionPanelBuilder builder) {
IndexedTree.Node node = (IndexedTree.Node) builder.getRoot();
String path = "Environment/hyperlink_types/links";
final IndexedTree.Node found = getNodeForPath(path, node);
if(found != null) {
found.setUserObject(new IPropertyControlCreator() {
private final IPropertyControlCreator creator = (IPropertyControlCreator) found.getUserObject();
public IPropertyControl createControl() {
ComboProperty property = (ComboProperty) creator.createControl();
List<String> list = property.getPossibleValues();
list.add(MModeWorkspaceLinkController.LINK_RELATIVE_TO_PROJECT_PROPERTY);