ColumnSubreportDataReport

ColumnListDataTypeReport

Examples overview

ComponentColumnReport

ColumnSubreportDataReport

/**
 * 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.column;

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

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.jasper.builder.JasperReportBuilder;
import net.sf.dynamicreports.report.base.expression.AbstractSimpleExpression;
import net.sf.dynamicreports.report.builder.component.SubreportBuilder;
import net.sf.dynamicreports.report.definition.ReportParameters;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import net.sf.jasperreports.engine.data.JRMapCollectionDataSource;

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

        public ColumnSubreportDataReport() {
                build();
        }

        private void build() {
                SubreportBuilder subreport = cmp.subreport(new SubreportDesign())
                        .setDataSource(new SubreportData());
                try {
                        report()
                          .setTemplate(Templates.reportTemplate)
                          .fields(field("comments", List.class))
                          .columns(
                                col.column("Item", "item", type.stringType()),
                                col.column("Quantity", "quantity", type.integerType()),
                                col.componentColumn("Comments", subreport))
                          .title(Templates.createTitleComponent("ColumnSubreportData"))
                          .pageFooter(Templates.footerComponent)
                          .setDataSource(createDataSource())
                          .show();
                } catch (DRException e) {
                        e.printStackTrace();
                }
        }

        private class SubreportDesign extends AbstractSimpleExpression<JasperReportBuilder> {
                private static final long serialVersionUID = 1L;

                @Override
                public JasperReportBuilder evaluate(ReportParameters reportParameters) {
                        JasperReportBuilder report = report()
                                .columns(col.column("comment", type.stringType()));
                        return report;
                }
        }

        private class SubreportData extends AbstractSimpleExpression<JRDataSource> {
                private static final long serialVersionUID = 1L;

                @Override
                public JRDataSource evaluate(ReportParameters reportParameters) {
                        Collection<Map<String, ?>> value = reportParameters.getValue("comments");
                        return new JRMapCollectionDataSource(value);
                }
        }

  private JRDataSource createDataSource() {
        List<ReportData> datasource = new ArrayList<ReportData>();

        ReportData data = new ReportData();
        List<Map<String, Object>> comments = new ArrayList<Map<String, Object>>();
        Map<String, Object> values = new HashMap<String, Object>();
        values.put("comment", "comment1");
        comments.add(values);
        values = new HashMap<String, Object>();
        values.put("comment", "comment2");
        comments.add(values);
        values = new HashMap<String, Object>();
        values.put("comment", "comment3");
        comments.add(values);
        data.setItem("Book");
        data.setQuantity(new Integer(10));
        data.setComments(comments);
        datasource.add(data);

        data = new ReportData();
        comments = new ArrayList<Map<String, Object>>();
        values = new HashMap<String, Object>();
        values.put("comment", "comment1");
        comments.add(values);
        values = new HashMap<String, Object>();
        values.put("comment", "comment2");
        comments.add(values);
        data.setItem("Notebook");
        data.setQuantity(new Integer(20));
        data.setComments(comments);
        datasource.add(data);

                return new JRBeanCollectionDataSource(datasource);
        }

        public class ReportData {
                private String item;
                private Integer quantity;
                private List<Map<String, Object>> comments;

                public String getItem() {
                        return item;
                }

                public void setItem(String item) {
                        this.item = item;
                }

                public Integer getQuantity() {
                        return quantity;
                }

                public void setQuantity(Integer quantity) {
                        this.quantity = quantity;
                }

                public List<Map<String, Object>> getComments() {
                        return comments;
                }

                public void setComments(List<Map<String, Object>> comments) {
                        this.comments = comments;
                }
        }

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