MultiAxisChartReport

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MultiAxisChartReport

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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.chart;

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.FieldBuilder;
import net.sf.dynamicreports.report.builder.chart.BarChartBuilder;
import net.sf.dynamicreports.report.builder.chart.CategoryChartSerieBuilder;
import net.sf.dynamicreports.report.builder.chart.LineChartBuilder;
import net.sf.dynamicreports.report.constant.AxisPosition;
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 MultiAxisChartReport {

	public MultiAxisChartReport() {
		build();
	}

	private void build() {
		FieldBuilder<Date> dateField = field("date", type.dateType());
		FieldBuilder<Integer> stock1Field = field("stock1", type.integerType());
		FieldBuilder<Integer> stock2Field = field("stock2", type.integerType());

		CategoryChartSerieBuilder stock1Serie = cht.serie(stock1Field).setLabel("Stock1");
		CategoryChartSerieBuilder stock2Serie = cht.serie(stock2Field).setLabel("Stock2");

		LineChartBuilder chart1 = cht.lineChart()
			.setCategory(new CategoryExpression())
			.series(stock1Serie)
			.setValueAxisFormat(
				cht.axisFormat().setLabel("Stock1"));

		BarChartBuilder chart2 = cht.barChart()
			.setCategory(new CategoryExpression())
			.series(stock2Serie)
			.setValueAxisFormat(
				cht.axisFormat().setLabel("Stock2"));

		try {
			report()
				.setTemplate(Templates.reportTemplate)
				.fields(dateField)
				.title(
					Templates.createTitleComponent("MultiAxisChart"),
					cht.multiAxisChart(chart1, chart2),
					cht.multiAxisChart()
						.addChart(chart1, AxisPosition.LEFT_OR_TOP)
						.addChart(chart2, AxisPosition.RIGHT_OR_BOTTOM))
				.pageFooter(Templates.footerComponent)
				.setDataSource(createDataSource())
				.show();
		} catch (DRException e) {
			e.printStackTrace();
		}
	}

	private JRDataSource createDataSource() {
		DRDataSource dataSource = new DRDataSource("date", "stock1", "stock2");
		dataSource.add(toDate(2010, 1), 25, 300);
		dataSource.add(toDate(2010, 2), 11, 450);
		dataSource.add(toDate(2010, 3), 17, 280);
		dataSource.add(toDate(2010, 4), 15, 620);
		dataSource.add(toDate(2010, 5), 30, 400);
		dataSource.add(toDate(2010, 6), 8, 320);
		dataSource.add(toDate(2010, 7), 25, 490);
		return dataSource;
	}

	private Date toDate(int year, int month) {
		Calendar c = Calendar.getInstance();
		c.clear();
		c.set(Calendar.YEAR, year);
		c.set(Calendar.MONTH, month - 1);
		return c.getTime();
	}

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

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

		@Override
		public String evaluate(ReportParameters reportParameters) {
			return type.dateYearToMonthType().valueToString("date", reportParameters);
		}
	}
}
 
Tags: chart, expression

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