GroupSubtotalReport

FieldSubtotalReport

Examples overview

PercentageSubtotalReport

GroupSubtotalReport

/**
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2015 Ricardo Mariaca
 * http://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.subtotal;

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

import java.math.BigDecimal;

import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.report.builder.column.TextColumnBuilder;
import net.sf.dynamicreports.report.builder.group.ColumnGroupBuilder;
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 GroupSubtotalReport {

        public GroupSubtotalReport() {
                build();
        }

        private void build() {
                TextColumnBuilder<String> countryColumn  = col.column("Country", "country", type.stringType());
                TextColumnBuilder<String> itemColumn = col.column("Item", "item", type.stringType());
                TextColumnBuilder<Integer> quantityColumn = col.column("Quantity", "quantity", type.integerType());
                TextColumnBuilder<BigDecimal> priceColumn = col.column("Price", "price", type.bigDecimalType());

                ColumnGroupBuilder countryGroup = grp.group(countryColumn);

                try {
                        report()
                                .setTemplate(Templates.reportTemplate)
                                .columns(
                                        countryColumn, itemColumn, quantityColumn, priceColumn)
                                .groupBy(
                                        countryGroup)
                                .subtotalsAtFirstGroupFooter(
                                        sbt.sum(quantityColumn))
                                .subtotalsAtGroupFooter(
                                        countryGroup, sbt.sum(priceColumn))
                                .subtotalsAtSummary(
                                        sbt.text("Total", itemColumn), sbt.sum(quantityColumn), sbt.sum(priceColumn))
                                .title(Templates.createTitleComponent("GroupSubtotal"))
                                .pageFooter(Templates.footerComponent)
                                .setDataSource(createDataSource())
                                .show();
                } catch (DRException e) {
                        e.printStackTrace();
                }
        }

        private JRDataSource createDataSource() {
                DRDataSource dataSource = new DRDataSource("country", "item", "quantity", "price");
                dataSource.add("USA", "Tablet", 4, new BigDecimal(150));
                dataSource.add("USA", "Tablet", 3, new BigDecimal(190));
                dataSource.add("USA", "Laptop", 2, new BigDecimal(250));
                dataSource.add("USA", "Laptop", 1, new BigDecimal(420));
                dataSource.add("Canada", "Tablet", 6, new BigDecimal(120));
                dataSource.add("Canada", "Tablet", 2, new BigDecimal(180));
                dataSource.add("Canada", "Laptop", 3, new BigDecimal(300));
                dataSource.add("Canada", "Laptop", 2, new BigDecimal(390));
                return dataSource;
        }

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