Controller.PieChart.java Source code

Introduction

Here is the source code for Controller.PieChart.java

Source

/*
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package Controller;

/**
 *
 * @author Nanda
 */
import Model.Chart;
import java.util.ArrayList;
import javax.swing.JFrame;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.util.Rotation;

public class PieChart extends JFrame {

    private static final long serialVersionUID = 1L;

    public PieChart(String applicationTitle, String chartTitle, ArrayList<Chart> listData) {
        super(applicationTitle);
        // This will create the dataset 
        PieDataset dataset = createDataset(listData);
        // based on the dataset we create the chart
        JFreeChart chart = createChart(dataset, chartTitle);
        // 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);

    }

    /**
         * Creates a sample dataset 
         */

    private PieDataset createDataset(ArrayList<Chart> listData) {
        DefaultPieDataset result = new DefaultPieDataset();
        for (Chart chart : listData) {
            result.setValue(chart.getNama(), chart.getCount());
        }
        return result;

    }

    /**
         * Creates a chart
         */

    private JFreeChart createChart(PieDataset dataset, String title) {

        JFreeChart chart = ChartFactory.createPieChart3D(title, // chart title
                dataset, // data
                true, // include legend
                true, false);

        PiePlot3D plot = (PiePlot3D) chart.getPlot();
        plot.setStartAngle(290);
        plot.setDirection(Rotation.CLOCKWISE);
        plot.setForegroundAlpha(0.5f);
        return chart;

    }
}