grafici.StatisticheBarChart3D.java Source code

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Here is the source code for grafici.StatisticheBarChart3D.java

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/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2009, 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.]
 *
 * ------------------
 * PrenotazioniBarChart.java
 * ------------------
 * (C) Copyright 2003-2009, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   ;
 *
 * Changes
 * -------
 * 09-Mar-2005 : Version 1 (DG);
 *
 */

package grafici;

import java.awt.Frame;

import org.eclipse.swt.SWT;
import org.eclipse.swt.awt.SWT_AWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;

/**
 * A simple demonstration application showing how to create a bar chart.
 */
public class StatisticheBarChart3D extends GraficiComposite {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private static String titolo;

    /**
     * Creates a new demo instance.
     * 
     * @param title
     *            the frame title.
     */
    public StatisticheBarChart3D(Table risultati, Composite parent, int style, int variabile1, int variabile2,
            int valore) {
        super(parent, style);
        try {
            this.titolo = risultati.getColumn(variabile1).getText().toUpperCase() + " - "
                    + risultati.getColumn(variabile2).getText().toUpperCase() + " - "
                    + risultati.getColumn(valore).getText().toUpperCase();
            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));
            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));

            CategoryDataset dataset = createDataset(risultati, variabile1, variabile2, valore);
            JFreeChart chart = createChart(dataset, risultati, variabile1, variabile2, valore);
            ChartPanel chartPanel = new ChartPanel(chart);
            chartPanel.setFillZoomRectangle(true);
            // chartPanel.setMouseWheelEnabled(true);
            // chartPanel.setPreferredSize(new Dimension(1000, 700));
            Frame graphFrame = SWT_AWT.new_Frame(cmp);
            graphFrame.add(chartPanel);
            graphFrame.pack();

        } catch (Exception e) {
            alertGraficoNonDisp();
        }
    }

    /**
     * Returns a sample dataset.
     * 
     * @return The dataset.
     */
    private static CategoryDataset createDataset(Table results, int variabile1, int variabile2, int valore) {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        for (TableItem item : results.getItems()) {
            dataset.addValue(new Double(item.getText(valore)), item.getText(variabile1), item.getText(variabile2));
        }

        return dataset;

    }

    /**
     * Creates a sample chart.
     * 
     * @param dataset
     *            the dataset.
     * 
     * @return The chart.
     */
    private static JFreeChart createChart(CategoryDataset dataset, Table results, int variabile1, int variabile2,
            int valore) {

        // create the chart...
        JFreeChart chart = ChartFactory.createBarChart3D(titolo, // chart
                // title
                results.getColumn(variabile2).getText().toUpperCase(), // domain axis label
                results.getColumn(valore).getText().toUpperCase(), // range axis label
                dataset, // data
                PlotOrientation.VERTICAL, // orientation
                true, // include legend
                true, // tooltips?
                false // URLs?
        );

        final CategoryPlot plot = chart.getCategoryPlot();
        final CategoryAxis axis = plot.getDomainAxis();
        axis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 8.0));

        final CategoryItemRenderer renderer = plot.getRenderer();
        renderer.setItemLabelsVisible(true);
        final BarRenderer r = (BarRenderer) renderer;

        return chart;

    }

}