previewPainter = new ChartPreviewPainter( ( (ChartWizardContext) getContext( ) ).getProcessor( ) );
previewPainter = new ChartPreviewPainter( ( (ChartWizardContext) getContext( ) ).getProcessor( ), container );
	private void createChartPainter( )	{		previewPainter = new ChartPreviewPainter( ( (ChartWizardContext) getContext( ) ).getProcessor( ) );		previewCanvas.addPaintListener( previewPainter );		previewPainter.setPreview( previewCanvas );		if ( chartModel != null )		{			previewPainter.renderModel( chartModel );		}	}