Meter ChartΒΆ

../../_images/meterchartreport.png 
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/**
 * 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.chart;

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

import java.awt.Color;

import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.report.builder.DynamicReports;
import net.sf.dynamicreports.report.builder.chart.MeterChartBuilder;
import net.sf.dynamicreports.report.constant.MeterShape;
import net.sf.dynamicreports.report.datasource.DRDataSource;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRDataSource;

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

	public MeterChartReport() {
		build();
	}

	private void build() {
		MeterChartBuilder chart1 = cht.meterChart()
				.setValue(DynamicReports.<Number>field("value", type.integerType()))
				.setShape(MeterShape.DIAL);

		MeterChartBuilder chart2 = cht.meterChart()
				.setValue(18)
				.setDataRangeHighExpression(30)
				.setTickInterval(5d)
				.setTickColor(Color.BLACK)
				.setNeedleColor(Color.BLACK)
				.setValueColor(Color.BLACK)
				.setMeterBackgroundColor(Color.LIGHT_GRAY)
				.intervals(
						cht.meterInterval()
								.setLabel("Normal")
								.setBackgroundColor(new Color(150, 255, 150))
								.setDataRangeLowExpression(0)
								.setDataRangeHighExpression(20),
						cht.meterInterval()
								.setLabel("Warning")
								.setBackgroundColor(new Color(255, 255, 150))
								.setDataRangeLowExpression(20)
								.setDataRangeHighExpression(25),
						cht.meterInterval()
								.setLabel("Critical")
								.setBackgroundColor(new Color(255, 150, 150))
								.setDataRangeLowExpression(25)
								.setDataRangeHighExpression(30));

		try {
			report()
					.setTemplate(Templates.reportTemplate)
					.title(Templates.createTitleComponent("MeterChart"))
					.summary(
							cmp.horizontalList(chart1, chart2))
					.pageFooter(Templates.footerComponent)
					.setDataSource(createDataSource())
					.show();
		} catch (DRException e) {
			e.printStackTrace();
		}
	}

	private JRDataSource createDataSource() {
		DRDataSource dataSource = new DRDataSource("value");
		dataSource.add(40);
		return dataSource;
	}

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