projectvendingmachine.AmountPieChart.java Source code

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Here is the source code for projectvendingmachine.AmountPieChart.java

Source

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package projectvendingmachine;

import java.awt.Font;
import java.awt.event.WindowEvent;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.ApplicationFrame;

/**
 *
 * @author Tonia
 */
public class AmountPieChart extends ApplicationFrame {

    int snackCount, beverageCount, candyCount;

    /**
     * Default constructor.
     *
     * @param title  the frame title.
     */

    public AmountPieChart(String title) {
        super(title);
        this.setDefaultCloseOperation(ApplicationFrame.DISPOSE_ON_CLOSE);
    }

    public void piechartValues(int snackCount, int beverageCount, int candyCount) {

        this.snackCount = snackCount;
        this.beverageCount = beverageCount;
        this.candyCount = candyCount;

        setContentPane(createDemoPanel());
    }

    /**
     * Creates a sample dataset.
     * 
     * @return A sample dataset.
     */
    private PieDataset createDataset() {
        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("Snacks", new Integer(snackCount));
        dataset.setValue("Beverages", new Integer(beverageCount));
        dataset.setValue("Candies", new Integer(candyCount));
        //  dataset.setValue("Four", new Double(17.5));
        //  dataset.setValue("Five", new Double(11.0));
        //  dataset.setValue("Six", new Double(19.4));
        return dataset;
    }

    /**
     * Creates a chart.
     * 
     * @param dataset  the dataset.
     * 
     * @return A chart.
     */
    private static JFreeChart createChart(PieDataset dataset) {

        JFreeChart chart = ChartFactory.createPieChart("Statistics", // chart title
                dataset, // data
                true, // include legend
                true, false);

        PiePlot plot = (PiePlot) chart.getPlot();
        plot.setLabelFont(new Font("SansSerif", Font.PLAIN, 12));
        plot.setNoDataMessage("No data available");
        plot.setCircular(false);
        plot.setLabelGap(0.02);
        return chart;

    }

    @Override
    public void windowClosing(final WindowEvent evt) {
        if (evt.getWindow() == this) {
            dispose();
        }
    }

    /**
     * Creates a panel for the demo (used by SuperDemo.java).
     * 
     * @return A panel.
     */
    public JPanel createDemoPanel() {
        JFreeChart chart = createChart(createDataset());
        return new ChartPanel(chart);
    }

    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    /*   public static void main(String[] args) {
        
    PieChart demo = new PieChart("Pie Chart");
    demo.pack();
    RefineryUtilities.centerFrameOnScreen(demo);
    demo.setVisible(true);
        
       }*/

}