GroupExpressionCrosstabReport

CustomPercentageCrosstabReport

Examples overview

MeasureExpressionCrosstabReport

GroupExpressionCrosstabReport

/**
 * 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.crosstab;

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

import java.util.Calendar;
import java.util.Date;

import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.report.base.expression.AbstractSimpleExpression;
import net.sf.dynamicreports.report.builder.crosstab.CrosstabBuilder;
import net.sf.dynamicreports.report.builder.crosstab.CrosstabColumnGroupBuilder;
import net.sf.dynamicreports.report.builder.crosstab.CrosstabRowGroupBuilder;
import net.sf.dynamicreports.report.constant.Calculation;
import net.sf.dynamicreports.report.constant.PageOrientation;
import net.sf.dynamicreports.report.constant.PageType;
import net.sf.dynamicreports.report.datasource.DRDataSource;
import net.sf.dynamicreports.report.definition.ReportParameters;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRDataSource;

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

        public GroupExpressionCrosstabReport() {
                build();
        }

        private void build() {
                CrosstabRowGroupBuilder<String> rowGroup = ctab.rowGroup("state", String.class);

                CrosstabColumnGroupBuilder<Integer> columnYearGroup = ctab.columnGroup(new YearExpression());

                CrosstabColumnGroupBuilder<String> columnQuarterGroup = ctab.columnGroup(new QuarterExpression());

                CrosstabBuilder crosstab = ctab.crosstab()
                                               .setCellWidth(50)
                                               .headerCell(cmp.text("State / Date").setStyle(Templates.boldCenteredStyle))
                                               .rowGroups(rowGroup)
                                               .columnGroups(columnYearGroup, columnQuarterGroup)
                                               .measures(
                                                        ctab.measure("quantity", Integer.class, Calculation.SUM));

                try {
                        report()
                          .fields(field("orderdate", Date.class))
                          .setPageFormat(PageType.A4, PageOrientation.LANDSCAPE)
                          .setTemplate(Templates.reportTemplate)
                          .title(Templates.createTitleComponent("GroupExpressionCrosstab"))
                          .summary(crosstab)
                          .pageFooter(Templates.footerComponent)
                          .setDataSource(createDataSource())
                          .show();
                } catch (DRException e) {
                        e.printStackTrace();
                }
        }

        private JRDataSource createDataSource() {
                DRDataSource dataSource = new DRDataSource("state", "orderdate", "quantity");
                Calendar c = Calendar.getInstance();
                for (int i = 0; i < 700; i++) {
                        Date date = c.getTime();
                        dataSource.add("New York", date, (int) (Math.random() * 10) + 1);
                        dataSource.add("Washington", date, (int) (Math.random() * 10) + 1);
                        dataSource.add("Florida", date, (int) (Math.random() * 10) + 1);
                        c.add(Calendar.DAY_OF_MONTH, -1);
                }
                return dataSource;
        }

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

        private class YearExpression extends AbstractSimpleExpression<Integer> {
                private static final long serialVersionUID = 1L;

                @Override
                public Integer evaluate(ReportParameters reportParameters) {
                        Calendar c = Calendar.getInstance();
                        c.setTime((Date) reportParameters.getValue("orderdate"));
                        return c.get(Calendar.YEAR);
                }
        }

        private class QuarterExpression extends AbstractSimpleExpression<String> {
                private static final long serialVersionUID = 1L;

                @Override
                public String evaluate(ReportParameters reportParameters) {
                        Calendar c = Calendar.getInstance();
                        c.setTime((Date) reportParameters.getValue("orderdate"));
                        return "Q" + (c.get(Calendar.MONTH) / 3 + 1);
                }
        }
}