eu.choreos.vv.chart.XYChart.java Source code

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Here is the source code for eu.choreos.vv.chart.XYChart.java

Source

package eu.choreos.vv.chart;

/**
 * JFreeChartDemo
 *
 * This program 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 2.1 of the License, or (at your option) any later version.
 *
 * This program 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.
 *
 * More than 150 demo applications are included with the JFreeChart
 * Developer Guide. For more information, see:
 * 
 * JFreeChart Developer's Guide
 */

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Stroke;
import java.text.NumberFormat;
import java.util.List;

import javax.swing.JFrame;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.TickUnitSource;
import org.jfree.chart.labels.StandardXYItemLabelGenerator;
import org.jfree.chart.labels.XYItemLabelGenerator;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;

import eu.choreos.vv.data.LineData;
import eu.choreos.vv.data.PlotData;

public class XYChart extends JFrame {
    private static final long serialVersionUID = 1L;

    public XYChart(String applicationTitle, String chartTitle, List<PlotData> reports, String xLabel,
            String yLabel) {
        super(applicationTitle);

        this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

        XYSeriesCollection dataset = new XYSeriesCollection();

        for (PlotData report : reports) {
            createDataset(dataset, (LineData) report);
        }
        // based on the dataset we create the chart
        JFreeChart chart = createChart(dataset, chartTitle, xLabel, yLabel);
        // we put the chart into a panel
        ChartPanel chartPanel = new ChartPanel(chart);
        // default size
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        // add it to our application
        setContentPane(chartPanel);

    }

    public static ChartPanel createChart(String chartTitle, List<PlotData> reports, String xLabel, String yLabel) {
        XYSeriesCollection dataset = new XYSeriesCollection();

        for (PlotData report : reports) {
            createDataset(dataset, (LineData) report);
        }
        JFreeChart chart = createChart(dataset, chartTitle, xLabel, yLabel);
        ChartPanel panel = new ChartPanel(chart);
        return panel;
    }

    private static void createDataset(XYSeriesCollection dataset, LineData report) {
        XYSeries series = new XYSeries(report.getName());
        //       for (int i = 0; i < report.size(); i++) {
        for (Double x : report.keySet()) {
            series.add(x, report.get(x));
        }
        dataset.addSeries(series);
    }

    private static JFreeChart createChart(XYDataset dataset, String chartTitle, String xLabel, String yLabel) {

        // create the chart...
        JFreeChart chart = ChartFactory.createXYLineChart(chartTitle, // chart title
                xLabel, // domain axis label
                yLabel, // range axis label
                dataset, // initial series
                PlotOrientation.VERTICAL, // orientation
                true, // include legend
                true, // tooltips?
                false // URLs?
        );

        // set chart background
        chart.setBackgroundPaint(Color.white);

        // set a few custom plot features
        XYPlot plot = (XYPlot) chart.getPlot();
        plot.setBackgroundPaint(new Color(0xffffe0));
        plot.setDomainGridlinesVisible(true);
        plot.setDomainGridlinePaint(Color.lightGray);
        plot.setRangeGridlinePaint(Color.lightGray);

        // set the plot's axes to display integers
        TickUnitSource ticks = NumberAxis.createIntegerTickUnits();
        NumberAxis domain = (NumberAxis) plot.getDomainAxis();
        domain.setStandardTickUnits(ticks);
        domain.resizeRange(1.1);
        domain.setLowerBound(0.5);

        NumberAxis range = (NumberAxis) plot.getRangeAxis();
        range.setStandardTickUnits(ticks);
        range.setUpperBound(range.getUpperBound() * 1.1);

        // render shapes and lines
        XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, true);
        plot.setRenderer(renderer);
        renderer.setBaseShapesVisible(true);
        renderer.setBaseShapesFilled(true);

        // set the renderer's stroke
        Stroke stroke = new BasicStroke(3f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL);
        renderer.setBaseOutlineStroke(stroke);

        // label the points
        NumberFormat format = NumberFormat.getNumberInstance();
        format.setMaximumFractionDigits(2);
        XYItemLabelGenerator generator = new StandardXYItemLabelGenerator(
                StandardXYItemLabelGenerator.DEFAULT_ITEM_LABEL_FORMAT, format, format);
        renderer.setBaseItemLabelGenerator(generator);
        renderer.setBaseItemLabelsVisible(true);

        return chart;
    }

}