room.utilization.PieChart.java Source code

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Here is the source code for room.utilization.PieChart.java

Source

/*
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package room.utilization;

import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.WindowConstants;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.labels.PieSectionLabelGenerator;
import org.jfree.chart.labels.StandardPieSectionLabelGenerator;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 *
 * @author Olasubomi
 */
public class PieChart extends JFrame {
    String[][] data = null;
    String chartTitle = null;

    public PieChart(String title, String[][] d) {
        super(title);
        chartTitle = title;
        data = d;

        createPieChart();
    }

    private final void createPieChart() {
        Container contentPane = getContentPane();
        contentPane.setBackground(Color.WHITE);
        setSize(700, 500);
        setLocation(500, 250);
        setIconImage(new ImageIcon(
                "C:\\Users\\Olasubomi\\Documents\\NetBeansProjects\\Room Utilization\\src\\room\\utilization\\icon.png")
                        .getImage());
        setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        contentPane.add(createPanel());
        setVisible(true);
    }

    private PieDataset createDataset() {
        DefaultPieDataset ds = new DefaultPieDataset();
        int len = 0;
        for (int x = 0; x < data.length; x++) {
            len = data[x].length;
            ds.setValue(data[x][0], Double.parseDouble(data[x][len - 2]));
        }

        return ds;
    }

    private JFreeChart createChart(PieDataset dataset) {
        JFreeChart chart = null;
        PieSectionLabelGenerator pl = null;
        PiePlot3D plot = null;
        chart = ChartFactory.createPieChart3D(chartTitle, dataset, true, true, false);
        pl = new StandardPieSectionLabelGenerator("{0} = {2}");
        plot = (PiePlot3D) chart.getPlot();

        plot.setLabelGenerator(pl);
        plot.setLabelFont(new Font("Helvatica", Font.BOLD, 10));
        return chart;
    }

    private JPanel createPanel() {
        JFreeChart chart = null;
        ChartPanel panel = null;
        chart = createChart(createDataset());
        panel = new ChartPanel(chart);
        panel.setBackground(Color.WHITE);
        return panel;
    }

}