grafici.PazientiPieChart.java Source code

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Here is the source code for grafici.PazientiPieChart.java

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/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library 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 library 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * ------------------
 * PrenotazioniPieChart.java
 * ------------------
 * (C) Copyright 2003-2007, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   ;
 *
 * Changes
 * -------
 * 09-Mar-2005 : Version 1, copied from the demo collection that ships with
 *               the JFreeChart Developer Guide (DG);
 *
 */

package grafici;

import hibernate.Tipologiavisita;

import java.awt.Frame;
import java.util.ArrayList;

import javax.swing.JPanel;

import org.eclipse.swt.SWT;
import org.eclipse.swt.awt.SWT_AWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
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;
import org.jfree.ui.RefineryUtilities;

import command.VisitaDAO;

/**
 * A simple demonstration application showing how to create a pie chart using
 * data from a {@link DefaultPieDataset}.
 */
public class PazientiPieChart extends Composite {
    private static String titolo;

    /**
     * Default constructor.
     * 
     * @param title
     *            the frame title.
     */
    public PazientiPieChart(String title, Composite parent, int style, int tipo) {
        super(parent, style);
        titolo = title;
        Composite cmp = new Composite(this, SWT.FILL | SWT.EMBEDDED);
        GridData gdCmp = new GridData(SWT.FILL);
        gdCmp.horizontalAlignment = SWT.FILL;
        gdCmp.verticalAlignment = SWT.FILL;
        gdCmp.grabExcessHorizontalSpace = true;
        gdCmp.grabExcessVerticalSpace = true;
        cmp.setLayoutData(gdCmp);
        cmp.setLayout(new GridLayout(1, false));

        JPanel chartPanel = createDemoPanel(tipo);
        Frame graphFrame = SWT_AWT.new_Frame(cmp);
        graphFrame.add(chartPanel);
        graphFrame.pack();

        GridData gdThis = new GridData(SWT.FILL);
        gdThis.horizontalAlignment = SWT.FILL;
        gdThis.verticalAlignment = SWT.FILL;
        gdThis.grabExcessHorizontalSpace = true;
        gdThis.grabExcessVerticalSpace = true;

        this.setLayoutData(gdThis);
        this.setLayout(new GridLayout(1, false));
    }

    /**
     * Creates a sample dataset.
     * 
     * @return A sample dataset.
     */
    private static PieDataset createDataset(int tipo) {
        DefaultPieDataset dataset = new DefaultPieDataset();

        // Tipologia visita
        ArrayList<Tipologiavisita> tipiVisite = VisitaDAO.getTipologVisita();

        for (Tipologiavisita tipologia : tipiVisite) {
            Double percentuale = new Double(
                    VisitaDAO.getPrenotazioniNumberPerTipologia(tipologia.getIdTipologiaVisita()));
            dataset.setValue(tipologia.getTipologia(), percentuale);
        }

        return dataset;
    }

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

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

        PiePlot plot = (PiePlot) chart.getPlot();
        plot.setSectionOutlinesVisible(false);
        plot.setNoDataMessage("No data available");

        return chart;

    }

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

}