Bug 165624 Provides UI supports for Highlight rule refer to Style element
UI/org.eclipse.birt.report.designer.ui.views/src/org/eclipse/birt/report/designer/internal/ui/views/attributes/provider/HighlightDescriptorProvider.java
{
			stack.startTrans( Messages.getString( "HighlightsPage.trans.Add" ) ); 
			Dialog dialog = createAddDialog( handleCount );
			if ( dialog.open( ) == Window.OK )
			{
				result = true;
			}
			stack.commit( );
			
			refreshRestoreProperty( );
		}
		catch ( Exception e )
		{
			stack.rollback( );
			ExceptionHandler.handle( e );
			result = false;
		}
		return result;
	}
	protected HighlightRuleBuilder createAddDialog( int handleCount )
	{
		HighlightRuleBuilder builder = new HighlightRuleBuilder( UIUtil.getDefaultShell( ),
				Messages.getString( "HighlightsPage.Dialog.NewHighlight" ), 
				this );
		builder.updateHandle( null, handleCount );
		builder.setDesignHandle( getDesignElementHandle( ) );
		return builder;
	}
	public boolean delete( int index )
	{