GroupSubtotalsReport

GroupLayoutReport

Examples overview

CardReport

GroupSubtotalsReport

/**
 * 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.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.column.TextColumnBuilder;
import net.sf.dynamicreports.report.builder.group.ColumnGroupBuilder;
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 GroupSubtotalsReport {

        public GroupSubtotalsReport() {
                build();
        }

        private void build() {
                TextColumnBuilder<Date> yearColumn = col.column("Order year", "orderdate", type.dateYearType());
                TextColumnBuilder<Date> monthColumn = col.column("Order month", "orderdate", type.dateMonthType());
                TextColumnBuilder<Integer> quantityColumn = col.column("Quantity", "quantity",  type.integerType());
                TextColumnBuilder<BigDecimal> unitPriceColumn = col.column("Unit price", "unitprice", type.bigDecimalType());

                ColumnGroupBuilder yearGroup  = grp.group(yearColumn)
                        .groupByDataType();
                ColumnGroupBuilder monthGroup = grp.group(monthColumn)
                        .groupByDataType()
                        .setHeaderLayout(GroupHeaderLayout.EMPTY)
                        .setHideColumn(false);

                try {
                        report()
                                .setTemplate(Templates.reportTemplate)
                                .setSubtotalStyle(Templates.columnStyle)
                                .setShowColumnValues(false)
                                .columns(yearColumn, monthColumn, quantityColumn, unitPriceColumn)
                                .groupBy(yearGroup, monthGroup)
                                .subtotalsAtGroupFooter(monthGroup, sbt.first(monthColumn), sbt.sum(quantityColumn), sbt.sum(unitPriceColumn))
                                .title(Templates.createTitleComponent("GroupSubtotals"))
                                .pageFooter(Templates.footerComponent)
                                .setDataSource(createDataSource())
                                .show();
                } catch (DRException e) {
                        e.printStackTrace();
                }
        }

        private JRDataSource createDataSource() {
                DRDataSource dataSource = new DRDataSource("orderdate", "quantity", "unitprice");
                Calendar c = Calendar.getInstance();
                c.add(Calendar.YEAR, -1);
                for (int i = 0; i < 200; i++) {
                        Date date = c.getTime();
                        dataSource.add(date, (int) (Math.random() * 10) + 1, new BigDecimal(Math.random() * 100 + 1));
                        c.add(Calendar.DAY_OF_MONTH, 1);
                }
                return dataSource;
        }

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