Bug 210241 Axis title should be horizontal to Axis by default when select Flip Axis.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/wizard/TaskSelectType.java
boolean bRender = false;
		ChartAdapter.beginIgnoreNotifications( );
		boolean bVertical = orientation.getValue( ) == Orientation.VERTICAL;
		Axis aX = ChartUIUtil.getAxisXForProcessing( cwa );
		if ( aX.getTitle( ).isVisible( ) )
		{
			bRender = true;
			aX.getTitle( ).getCaption( ).getFont( ).setRotation( bVertical ? 0
					: 90 );
		}
		EList aYs = aX.getAssociatedAxes( );
		for ( int i = 0; i < aYs.size( ); i++ )
		{
			Axis aY = (Axis) aYs.get( i );
			if ( aY.getTitle( ).isVisible( ) )
			{
				bRender = true;
				aY.getTitle( )
						.getCaption( )
						.getFont( )
						.setRotation( bVertical ? 90 : 0 );
			}
		}
		ChartAdapter.endIgnoreNotifications( );
		if ( bRender )
		{
			previewPainter.renderModel( chartModel );
		}
	}
}