if ( ChartUIUtil.checkDataBinding( getChartModel( ), getWizardContext( ).getDataServiceProvider( ) .getPreviewHeader( ) ) )
String errorInfo = Messages.getString( "exception.data.DataBindingsAreNull" ); if ( ChartUIUtil.checkDataBinding( getChartModel( ) ) )
	private void doLivePreview( )	{		if ( ChartUIUtil.checkDataBinding( getChartModel( ),				getWizardContext( ).getDataServiceProvider( )						.getPreviewHeader( ) ) )		{			oldSample = (SampleData) EcoreUtil.copy( getChartModel( ).getSampleData( ) );			SampleData newSample = updateSampleData( oldSample );			// ADD ALL ADAPTERS...AND REFRESH PREVIEW			newSample.eAdapters( ).addAll( getChartModel( ).eAdapters( ) );			getChartModel( ).setSampleData( newSample );		}	}