Field GroupΒΆ

../../_images/FieldGroupReport.png 
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/**
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2018 Ricardo Mariaca
 * http://www.dynamicreports.org
 *
 * 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.group;

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.group.CustomGroupBuilder;
import net.sf.dynamicreports.report.builder.style.StyleBuilder;
import net.sf.dynamicreports.report.constant.GroupHeaderLayout;
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 FieldGroupReport {

	public FieldGroupReport() {
		build();
	}

	private void build() {
		StyleBuilder groupStyle = stl.style().bold();

		CustomGroupBuilder itemGroup = grp.group("item", String.class)
				.setStyle(groupStyle)
				.setTitle("Item")
				.setTitleStyle(groupStyle)
				.setTitleWidth(30)
				.setHeaderLayout(GroupHeaderLayout.TITLE_AND_VALUE);

		try {
			report()
					.setTemplate(Templates.reportTemplate)
					.columns(
							col.column("Order date", "orderdate", type.dateType()),
							col.column("Quantity", "quantity", type.integerType()),
							col.column("Unit price", "unitprice", type.bigDecimalType()))
					.groupBy(itemGroup)
					.title(Templates.createTitleComponent("FieldGroup"))
					.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), 5, new BigDecimal(300));
		dataSource.add("Tablet", toDate(2010, 1, 3), 1, new BigDecimal(280));
		dataSource.add("Tablet", toDate(2010, 1, 19), 5, new BigDecimal(320));
		dataSource.add("Laptop", toDate(2010, 1, 5), 3, new BigDecimal(580));
		dataSource.add("Laptop", toDate(2010, 1, 8), 1, new BigDecimal(620));
		dataSource.add("Laptop", toDate(2010, 1, 15), 5, new BigDecimal(600));
		dataSource.add("Smartphone", toDate(2010, 1, 18), 8, new BigDecimal(150));
		dataSource.add("Smartphone", toDate(2010, 1, 20), 8, new BigDecimal(210));
		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 FieldGroupReport();
	}
}