if ( chartModel != null ) { previewPainter.renderModel( chartModel ); }
doLivePreview( );
	public Composite getUI( Composite parent )	{		if ( cmpTask == null )		{			cmpTask = new Composite( parent, SWT.NONE );			GridLayout gridLayout = new GridLayout( );			gridLayout.marginWidth = 100;			cmpTask.setLayout( gridLayout );			cmpTask.setLayoutData( new GridData( GridData.GRAB_HORIZONTAL					| GridData.GRAB_VERTICAL ) );			cmpTask.addDisposeListener( this );			if ( context != null )			{				this.chartModel = ( (ChartWizardContext) context ).getModel( );			}			placeComponents( );			updateAdapters( );		}		if ( chartModel != null )		{			previewPainter.renderModel( chartModel );		}		return cmpTask;	}