swtmultipleaxisdemo1.java

java图形利器

/* ===========================================================
 * 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.]
 *
 * -------------------------
 * SWTMultipleAxisDemo1.java
 * -------------------------
 * (C) Copyright 2006, 2007, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   Henry Proudhon;
 *
 * Changes
 * -------
 * 23-Aug-2006 : New class (HP);
 * 
 */

package org.jfree.experimental.chart.swt.demo;

import java.awt.Color;

import javax.swing.JPanel;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.AxisLocation;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.time.Minute;
import org.jfree.data.time.RegularTimePeriod;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.experimental.chart.swt.ChartComposite;
import org.jfree.ui.RectangleInsets;

/**
 * This demo shows a time series chart that has multiple range axes.
 */
public class SWTMultipleAxisDemo1
{
    /**
     * Creates the demo chart.
     * 
     * @return The chart.
     */
    private static JFreeChart createChart() {

        XYDataset dataset1 = createDataset("Series 1", 100.0, new Minute(), 
                200);
        
        JFreeChart chart = ChartFactory.createTimeSeriesChart(
            "Multiple Axis Demo 3", 
            "Time of Day", 
            "Primary Range Axis",
            dataset1, 
            true, 
            true, 
            false
        );

        chart.setBackgroundPaint( Color.white );
        chart.setBorderVisible( true );
        chart.setBorderPaint( Color.BLACK );
        TextTitle subtitle = new TextTitle("Four datasets and four range axes.");  
        chart.addSubtitle( subtitle );
        XYPlot plot = (XYPlot) chart.getPlot();
        plot.setOrientation(PlotOrientation.VERTICAL);
        plot.setBackgroundPaint(Color.lightGray);
        plot.setDomainGridlinePaint(Color.white);
        plot.setRangeGridlinePaint(Color.white);
        
        plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
        plot.getRangeAxis().setFixedDimension(15.0);
        XYItemRenderer renderer = plot.getRenderer();
        renderer.setSeriesPaint(0, Color.black);
       
        // AXIS 2
        NumberAxis axis2 = new NumberAxis("Range Axis 2");
        axis2.setFixedDimension(10.0);
        axis2.setAutoRangeIncludesZero(false);
        axis2.setLabelPaint(Color.red);
        axis2.setTickLabelPaint(Color.red);
        plot.setRangeAxis(1, axis2);
        plot.setRangeAxisLocation(1, AxisLocation.BOTTOM_OR_LEFT);

        XYDataset dataset2 = createDataset("Series 2", 1000.0, new Minute(), 
                170);
        plot.setDataset(1, dataset2);
        plot.mapDatasetToRangeAxis(1, 1);
        XYItemRenderer renderer2 = new StandardXYItemRenderer();
        renderer2.setSeriesPaint(0, Color.red);
        plot.setRenderer(1, renderer2);
        
        // AXIS 3
        NumberAxis axis3 = new NumberAxis("Range Axis 3");
        axis3.setLabelPaint(Color.blue);
        axis3.setTickLabelPaint(Color.blue);
        //axis3.setPositiveArrowVisible( true );
        plot.setRangeAxis(2, axis3);

        XYDataset dataset3 = createDataset("Series 3", 10000.0, new Minute(), 
                170);
        plot.setDataset(2, dataset3);
        plot.mapDatasetToRangeAxis(2, 2);
        XYItemRenderer renderer3 = new StandardXYItemRenderer();
        renderer3.setSeriesPaint(0, Color.blue);
        plot.setRenderer(2, renderer3);

        // AXIS 4        
        NumberAxis axis4 = new NumberAxis("Range Axis 4");
        axis4.setLabelPaint(Color.green);
        axis4.setTickLabelPaint(Color.green);
        plot.setRangeAxis(3, axis4);
        
        XYDataset dataset4 = createDataset("Series 4", 25.0, new Minute(), 200);
        plot.setDataset(3, dataset4);
        plot.mapDatasetToRangeAxis(3, 3);
        
        XYItemRenderer renderer4 = new StandardXYItemRenderer();
        renderer4.setSeriesPaint(0, Color.green);        
        plot.setRenderer(3, renderer4);
                
        return chart;
    }
    
    /**
     * Creates a sample dataset.
     * 
     * @param name  the dataset name.
     * @param base  the starting value.
     * @param start  the starting period.
     * @param count  the number of values to generate.
     *
     * @return The dataset.
     */
    private static XYDataset createDataset(String name, double base, 
                                           RegularTimePeriod start, int count) {

        TimeSeries series = new TimeSeries(name, start.getClass());
        RegularTimePeriod period = start;
        double value = base;
        for (int i = 0; i < count; i++) {
            series.add(period, value);    
            period = period.next();
            value = value * (1 + (Math.random() - 0.495) / 10.0);
        }

        TimeSeriesCollection dataset = new TimeSeriesCollection();
        dataset.addSeries(series);

        return dataset;

    }

    /**
     * Creates a panel for the demo (used by SuperDemo.java).
     * 
     * @return A panel.
     */
    public static JPanel createDemoPanel() {
        JFreeChart chart = createChart();
        return new ChartPanel(chart);
    }
    
    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main( String[] args ) 
    {
        final JFreeChart chart = createChart();
        final Display display = new Display();
        Shell shell = new Shell(display);
        shell.setSize(600, 300);
        shell.setLayout(new FillLayout());
        shell.setText("Test for jfreechart running with SWT");
        ChartComposite frame = new ChartComposite(shell, SWT.NONE, chart, true);
        frame.setDisplayToolTips(false);
        frame.setHorizontalAxisTrace(true);
        frame.setVerticalAxisTrace(true);
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
    }

}