FieldSubtotalReport

CustomTextSubtotalReport

Examples overview

GroupSubtotalReport

FieldSubtotalReport

/**
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2018 Ricardo Mariaca
 * https://dynamicreports.lbayer.com
 *
 * This file is part of DynamicReports.
 *
 * DynamicReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DynamicReports is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with DynamicReports. If not, see <http://www.gnu.org/licenses/>.
 */

package net.sf.dynamicreports.examples.subtotal;

import static net.sf.dynamicreports.report.builder.DynamicReports.*;

import java.math.BigDecimal;
import java.util.Calendar;
import java.util.Date;

import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.report.builder.column.TextColumnBuilder;
import net.sf.dynamicreports.report.builder.subtotal.AggregationSubtotalBuilder;
import net.sf.dynamicreports.report.datasource.DRDataSource;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRDataSource;

/**
 * @author Ricardo Mariaca (r.mariaca@dynamicreports.org)
 */
public class FieldSubtotalReport {

	public FieldSubtotalReport() {
		build();
	}

	private void build() {
		TextColumnBuilder<String> itemColumn = col.column("Item", "item", type.stringType());
		TextColumnBuilder<Date> orderDateColumn = col.column("Order Date", "orderdate", type.dateType());

		AggregationSubtotalBuilder<Integer> quantitySum = sbt.sum("quantity", Integer.class, itemColumn)
				.setLabel("quantity sum");
		AggregationSubtotalBuilder<BigDecimal> unitPriceSum = sbt.sum("unitprice", BigDecimal.class, itemColumn)
				.setLabel("unitPrice sum");

		try {
			report()
					.setTemplate(Templates.reportTemplate)
					.columns(
							itemColumn, orderDateColumn)
					.subtotalsAtSummary(
							quantitySum, unitPriceSum)
					.title(Templates.createTitleComponent("FieldSubtotal"))
					.pageFooter(Templates.footerComponent)
					.setDataSource(createDataSource())
					.show();
		} catch (DRException e) {
			e.printStackTrace();
		}
	}

	private JRDataSource createDataSource() {
		DRDataSource dataSource = new DRDataSource("item", "orderdate", "quantity", "unitprice");
		dataSource.add("Tablet", toDate(2010, 1, 1), 3, new BigDecimal(110));
		dataSource.add("Tablet", toDate(2010, 2, 1), 1, new BigDecimal(150));
		dataSource.add("Laptop", toDate(2010, 2, 1), 3, new BigDecimal(300));
		dataSource.add("Smartphone", toDate(2010, 4, 1), 8, new BigDecimal(90));
		dataSource.add("Smartphone", toDate(2010, 5, 1), 6, new BigDecimal(120));
		return dataSource;
	}

	private Date toDate(int year, int month, int day) {
		Calendar c = Calendar.getInstance();
		c.set(Calendar.YEAR, year);
		c.set(Calendar.MONTH, month - 1);
		c.set(Calendar.DAY_OF_MONTH, day);
		return c.getTime();
	}

	public static void main(String[] args) {
		new FieldSubtotalReport();
	}
}