src/org/tiefaces/components/websheet/chart/ChartHelper.java
private String getPieTitle(final ChartData chartData) {
		for (ChartSeries chartSeries : chartData.getSeriesList()) {
			if (chartSeries != null) {
				return getParsedCellValue(chartSeries.getSeriesLabel());
			}	
		}
		return "";

	}
private String getPieTitle(final ChartData chartData) {
		for (ChartSeries chartSeries : chartData.getSeriesList()) {
			if (chartSeries != null) {
				return getParsedCellValue(chartSeries.getSeriesLabel());
			}	
		}
		return "";

	}
return pie chart title from chartData.

@param chartData
ChartData object.
@return title (String).