GroupChartReport2

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GroupChartReport2

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/**
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2015 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.chartcustomization;

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

import java.util.List;

import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.jasper.builder.JasperReportBuilder;
import net.sf.dynamicreports.report.builder.chart.BarChartBuilder;
import net.sf.dynamicreports.report.builder.column.TextColumnBuilder;
import net.sf.dynamicreports.report.builder.expression.AbstractComplexExpression;
import net.sf.dynamicreports.report.builder.group.ColumnGroupBuilder;
import net.sf.dynamicreports.report.builder.style.FontBuilder;
import net.sf.dynamicreports.report.constant.GroupHeaderLayout;
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 GroupChartReport2 {

	public GroupChartReport2() {
		build();
	}

	private void build() {
		FontBuilder boldFont = stl.fontArialBold().setFontSize(12);

		TextColumnBuilder<String> yearColumn = col.column("Year", "year", type.stringType());
		TextColumnBuilder<String> stockColumn = col.column("Stock", "stock", type.stringType());
		TextColumnBuilder<String> itemColumn = col.column("Item", "item", type.stringType());
		TextColumnBuilder<Integer> quantityColumn = col.column("Quantity", "quantity", type.integerType());

		BarChartBuilder chart1 = cht.barChart()
			.setTitle(new ChartTitleExpression(stockColumn))
			.setTitleFont(boldFont)
			.setCategory(yearColumn)
			.series(
				cht.serie(quantityColumn).setSeries(itemColumn));

		ColumnGroupBuilder stockGroup = grp.group(stockColumn)
			.setHeaderLayout(GroupHeaderLayout.EMPTY)
			.footer(chart1);

		JasperReportBuilder subReport = report()
			.sortBy(stockColumn)
			.groupBy(stockGroup)
			.setDataSource(createDataSource());

		try {
			report()
				.setTemplate(Templates.reportTemplate)
				.columns(yearColumn, stockColumn, itemColumn, quantityColumn)
				.title(Templates.createTitleComponent("GroupChart2"))
				.summary(cmp.subreport(subReport))
				.pageFooter(Templates.footerComponent)
				.setDataSource(createDataSource())
				.show();
		} catch (DRException e) {
			e.printStackTrace();
		}
	}

	private JRDataSource createDataSource() {
		DRDataSource dataSource = new DRDataSource("year", "stock", "item", "quantity");
		dataSource.add("2010", "Stock1", "Tablet", 80);
		dataSource.add("2010", "Stock1", "Smartphone", 40);
		dataSource.add("2010", "Stock2", "Tablet", 70);
		dataSource.add("2010", "Stock2", "Smartphone", 250);
		dataSource.add("2011", "Stock1", "Tablet", 40);
		dataSource.add("2011", "Stock1", "Smartphone", 90);
		dataSource.add("2011", "Stock2", "Tablet", 180);
		dataSource.add("2011", "Stock2", "Smartphone", 150);
		return dataSource;
	}

	public static void main(String[] args) {
		new GroupChartReport2();
	}

	private class ChartTitleExpression extends AbstractComplexExpression<String> {
		private static final long serialVersionUID = 1L;

		public ChartTitleExpression(TextColumnBuilder<String> stockColumn) {
			addExpression(stockColumn);
		}

		@Override
		public String evaluate(List<?> values, ReportParameters reportParameters) {
			return (String) values.get(0);
		}
	}
}
 
Tags: chart, chart customization, subreport, expression

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