public final ChartHelper getChartHelper() {
		if ((this.chartHelper == null) && (this.parent != null)) {
			this.chartHelper = new ChartHelper(parent);
		}
		return chartHelper;
	}
public final ChartHelper getChartHelper() {
		if ((this.chartHelper == null) && (this.parent != null)) {
			this.chartHelper = new ChartHelper(parent);
		}
		return chartHelper;
	}
public final ChartHelper getChartHelper ( ) { if ( ( this . chartHelper == null ) && ( this . parent != null ) ) { this . chartHelper = new ChartHelper ( parent ) ; } return chartHelper ; }
Gets the chart helper.

@return the chartHelper
Gets the chart helper .