Bug 256516 [TabbedProperties] TabbedPropertySheetPage to allow some options
bundles/org.eclipse.ui.views.properties.tabbed/src/org/eclipse/ui/views/properties/tabbed/TabbedPropertySheetPage.java
tabbedPropertyViewer.setSelection(null);
			} else {
				tabbedPropertyViewer.setSelection(new StructuredSelection(
					selectedTab));
			}
		} finally {
			selectionQueueLocked = false;
		}
		refreshTitleBar();
	}
	/**
	 * Refresh the currently active tab.
	 */
	public void refresh() {
		currentTab.refresh();
	}
	/**
	 * Get the currently active tab.
	 * 
	 * @return the currently active tab.
	 * @since 3.4
	 */
	public TabContents getCurrentTab() {
		return currentTab;
	}
	/**
	 * Handle the tab selected change event.
	 * 
	 * @param tabDescriptor
	 *            the new selected tab.