tp2_poo.Vue_camembert.java Source code

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Here is the source code for tp2_poo.Vue_camembert.java

Source

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package tp2_poo;

import java.awt.Dimension;
import javax.swing.JInternalFrame;
import obs.Observateur;
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;

/**
 *
 * @author Matthieu
 */
public class Vue_camembert extends JInternalFrame implements Observateur {
    Camembert c;
    ChartPanel panel;
    JFreeChart charts;
    Promotion prom;

    public Vue_camembert(Promotion p) {
        prom = p;
        c = new Camembert(p);
        charts = c.createChart(c.createSampleDataset(p));
        panel = new ChartPanel(charts);
        p.addObservateur(this);
        this.add(panel);
        this.setPreferredSize(new Dimension(500, 370));
        this.pack();
        this.setVisible(true);
    }

    @Override
    public void update() {
        charts = c.createChart(c.createSampleDataset(prom));
        panel = new ChartPanel(charts);
        this.setContentPane(panel);
    }

    public class Camembert {
        public Camembert(Promotion p) {

            // create a dataset...
            final PieDataset dataset = createSampleDataset(p);

            // create the chart...
            final JFreeChart chart = createChart(dataset);

            // add the chart to a panel...
            final ChartPanel charti = new ChartPanel(chart);
            charti.setPreferredSize(new java.awt.Dimension(500, 270));

        }

        private PieDataset createSampleDataset(Promotion p) {
            int nb = 1;
            final DefaultPieDataset result = new DefaultPieDataset();
            for (int i = 0; i < p.getListeEtudiants().size(); i++) {
                result.setValue(p.getListeEtudiants().get(i).getDpt(),
                        p.ComptDpt(p.getListeEtudiants().get(i).getDpt()));
            }
            return result;
        }

        private JFreeChart createChart(final PieDataset dataset) {

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

            final PiePlot3D plot = (PiePlot3D) chart.getPlot();
            plot.setStartAngle(290);
            plot.setDirection(Rotation.CLOCKWISE);
            plot.setForegroundAlpha(0.5f);
            plot.setNoDataMessage("No data to display");
            return chart;

        }

    }

}