Bug 256516 [TabbedProperties] TabbedPropertySheetPage to allow some options
bundles/org.eclipse.ui.views.properties.tabbed/src/org/eclipse/ui/views/properties/tabbed/TabbedPropertySheetPage.java
private void overrideActionBars() {
        if (registry.getActionProvider() != null ) {
            IActionProvider actionProvider = registry.getActionProvider();
            actionProvider.setActionBars(contributor, getSite().getActionBars());
        }
    }
	/**
	 * Returns the currently selected tab.
	 * 
	 * @return the currently selected tab or <code>null</code> if there is no
	 *         tab selected.
	 * @since 3.5
	 */
	public ITabDescriptor getSelectedTab() {
		int selectedTab = tabbedPropertyViewer.getSelectionIndex();
		if (selectedTab != -1) {
			Object object = tabbedPropertyViewer.getElementAt(selectedTab);
			if (object instanceof ITabDescriptor) {
				return (ITabDescriptor) object;
			}
		}
		return null;
	}
	/**
	 * Returns the list of currently active tabs.
	 * 
	 * @return the currently active tabs.
	 * @since 3.5
	 */
	public ITabDescriptor[] getActiveTabs() {