Chart chart = ( (ChartWizardContext) context ).getModel( );
Chart chart = getContext( ).getModel( );
	public void widgetDisposed( DisposeEvent e )	{		super.widgetDisposed( e );		if ( context != null )		{			Chart chart = ( (ChartWizardContext) context ).getModel( );			if ( chart != null )			{				// Set size if size is zero				resizeChart( chart );				// Remove all adapters				removeAllAdapters( chart );			}		}	}