@Override
public PivotRenderer getRenderer() {
	return new PivotRenderer() {
		private DecimalFormat _fnf = new DecimalFormat("##,###.00");
		private DecimalFormat _nnf = new DecimalFormat("##,###");
		@Override
		public String renderCell(Object data, Pivottable table,
				PivotHeaderContext rowContext,
				PivotHeaderContext columnContext, PivotField dataField) {
			return data == null ? "" :
				data instanceof Integer ? _nnf.format(data) : _fnf.format(data);
		}

		@Override
		public String renderField(Object data, Pivottable table,
				PivotField field) {
			return field.getArea() == PivotField.AREA_DATA ?
					field.getTitle() : String.valueOf(data);
		}

		@Override
		public String renderSubtotalField(Object data, Pivottable table,
				PivotField field, Calculator calculator) {
			String calLabel = Texts.capitalize(calculator.getType());
			String dataLabel = data == null ? "Null" : data.toString();
			return dataLabel + " " + calLabel;
		}

		@Override
		public String renderGrandTotalField(Pivottable table, PivotField field) {
			if (field == null) return "Grand Total";
			return "Grand Total of " + field.getTitle();
		}

		@Override
		public int getColumnSize(Pivottable table, PivotHeaderContext columnContext, PivotField field) {
			int columnSize = 100; //default column size
			if(columnContext.isGrandTotal() && field != null) {
				columnSize = 150;
			} else {
				if("Customer".equals(field.getTitle()))
					columnSize = 300;
				if("Price".equals(field.getTitle()))
					columnSize = 90;
			}
			return columnSize;
		}

		@Override
		public int getRowSize(Pivottable table,
				PivotHeaderContext rowContext, PivotField field) {
			return 20;
		}
		
	};
	//return null; // use default renderer
}