ChartCacheManager.getInstance( ).dispose( );
	public void widgetDisposed( DisposeEvent e )	{		if ( getContext( ) != null )		{			// Dispose IDataServiceProvider			getContext( ).getDataServiceProvider( ).dispose( );			Chart chart = getContext( ).getModel( );			if ( chart != null )			{				// Set size if size is zero				resizeChart( chart );				// Remove all adapters				removeAllAdapters( chart );			}		}		super.widgetDisposed( e );	}