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113 | /**
* 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.subreport;
import static net.sf.dynamicreports.report.builder.DynamicReports.*;
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.datasource.DRDataSource;
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.JREmptyDataSource;
/**
* @author Ricardo Mariaca (r.mariaca@dynamicreports.org)
*/
public class DetailDynamicSubreport {
public DetailDynamicSubreport() {
build();
}
private void build() {
SubreportBuilder subreport = cmp.subreport(new SubreportExpression())
.setDataSource(new SubreportDataSourceExpression());
try {
report()
.title(Templates.createTitleComponent("DetailDynamicSubreport"))
.detail(
subreport,
cmp.verticalGap(20))
.pageFooter(Templates.footerComponent)
.setDataSource(createDataSource())
.show();
} catch (DRException e) {
e.printStackTrace();
}
}
private JRDataSource createDataSource() {
return new JREmptyDataSource(5);
}
private class SubreportExpression extends AbstractSimpleExpression<JasperReportBuilder> {
private static final long serialVersionUID = 1L;
@Override
public JasperReportBuilder evaluate(ReportParameters reportParameters) {
int masterRowNumber = reportParameters.getReportRowNumber();
JasperReportBuilder report = report();
report
.setTemplate(Templates.reportTemplate)
.title(cmp.text("Subreport" + masterRowNumber).setStyle(Templates.bold12CenteredStyle));
for (int i = 1; i <= masterRowNumber; i++) {
report.addColumn(col.column("Column" + i, "column" + i, type.stringType()));
}
return report;
}
}
private class SubreportDataSourceExpression extends AbstractSimpleExpression<JRDataSource> {
private static final long serialVersionUID = 1L;
@Override
public JRDataSource evaluate(ReportParameters reportParameters) {
int masterRowNumber = reportParameters.getReportRowNumber();
String[] columns = new String[masterRowNumber];
for (int i = 1; i <= masterRowNumber; i++) {
columns[i - 1] = "column" + i;
}
DRDataSource dataSource = new DRDataSource(columns);
for (int i = 1; i <= masterRowNumber; i++) {
Object[] values = new Object[masterRowNumber];
for (int j = 1; j <= masterRowNumber; j++) {
values[j - 1] = "row" + i + "_column" + j;
}
dataSource.add(values);
}
return dataSource;
}
}
public static void main(String[] args) {
new DetailDynamicSubreport();
}
}
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