contextMap = new HashMap( );
	SwingChartViewerSelector( )	{		final PluginSettings ps = PluginSettings.instance( );		try		{			idr = ps.getDevice( "dv.SWING" );//$NON-NLS-1$		}		catch ( ChartException ex )		{			ex.printStackTrace( );		}		// The default chart displayed in the container is the simple bar chart.		cm = PrimitiveCharts.createBarChart( );	}