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161 | /**
* 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.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();
}
}
|
