dialdemo5.java

jfreechart1.0.6源程序,没有注释,不过都能运行起来

package demo.experimental;

import java.awt.*;
import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.data.general.DefaultValueDataset;
import org.jfree.experimental.chart.plot.dial.*;
import org.jfree.ui.GradientPaintTransformType;
import org.jfree.ui.StandardGradientPaintTransformer;

public class DialDemo5 extends JFrame
{
    static class DemoPanel extends JPanel
        implements ChangeListener
    {

        public void stateChanged(ChangeEvent changeevent)
        {
            hoursDataset.setValue(new Integer(slider1.getValue()));
            dataset2.setValue(new Integer(slider2.getValue()));
        }

        DefaultValueDataset hoursDataset;
        DefaultValueDataset dataset2;
        JSlider slider1;
        JSlider slider2;

        public DemoPanel()
        {
            super(new BorderLayout());
            hoursDataset = new DefaultValueDataset(6D);
            dataset2 = new DefaultValueDataset(15D);
            DialPlot dialplot = new DialPlot();
            dialplot.setView(0.0D, 0.0D, 1.0D, 1.0D);
            dialplot.setDataset(0, hoursDataset);
            dialplot.setDataset(1, dataset2);
            SimpleDialFrame simpledialframe = new SimpleDialFrame();
            simpledialframe.setBackgroundPaint(Color.lightGray);
            simpledialframe.setForegroundPaint(Color.darkGray);
            dialplot.setDialFrame(simpledialframe);
            DialBackground dialbackground = new DialBackground(Color.white);
            dialbackground.setGradientPaintTransformer(new StandardGradientPaintTransformer(GradientPaintTransformType.VERTICAL));
            dialplot.setBackground(dialbackground);
            StandardDialScale standarddialscale = new StandardDialScale(0.0D, 12D, 90D, -360D);
            standarddialscale.setFirstTickLabelVisible(false);
            standarddialscale.setMajorTickIncrement(1.0D);
            standarddialscale.setTickRadius(0.88D);
            standarddialscale.setTickLabelOffset(0.14999999999999999D);
            standarddialscale.setTickLabelFont(new Font("Dialog", 0, 14));
            dialplot.addScale(0, standarddialscale);
            StandardDialScale standarddialscale1 = new StandardDialScale(0.0D, 60D, 90D, -360D);
            standarddialscale1.setVisible(false);
            standarddialscale1.setMajorTickIncrement(5D);
            standarddialscale1.setTickRadius(0.68000000000000005D);
            standarddialscale1.setTickLabelOffset(0.14999999999999999D);
            standarddialscale1.setTickLabelFont(new Font("Dialog", 0, 14));
            dialplot.addScale(1, standarddialscale1);
            org.jfree.experimental.chart.plot.dial.DialPointer.Pointer pointer = new org.jfree.experimental.chart.plot.dial.DialPointer.Pointer(0);
            pointer.setRadius(0.55000000000000004D);
            dialplot.addLayer(pointer);
            dialplot.mapDatasetToScale(1, 1);
            org.jfree.experimental.chart.plot.dial.DialPointer.Pointer pointer1 = new org.jfree.experimental.chart.plot.dial.DialPointer.Pointer(1);
            dialplot.addLayer(pointer1);
            DialCap dialcap = new DialCap();
            dialcap.setRadius(0.10000000000000001D);
            dialplot.setCap(dialcap);
            JFreeChart jfreechart = new JFreeChart(dialplot);
            jfreechart.setTitle("Dial Demo 5");
            ChartPanel chartpanel = new ChartPanel(jfreechart);
            chartpanel.setPreferredSize(new Dimension(400, 400));
            JPanel jpanel = new JPanel(new GridLayout(2, 2));
            jpanel.add(new JLabel("Hours:"));
            jpanel.add(new JLabel("Minutes:"));
            slider1 = new JSlider(0, 12);
            slider1.setMajorTickSpacing(2);
            slider1.setPaintTicks(true);
            slider1.setPaintLabels(true);
            slider1.addChangeListener(this);
            jpanel.add(slider1);
            jpanel.add(slider1);
            slider2 = new JSlider(0, 60);
            slider2.setValue(15);
            slider2.setMajorTickSpacing(10);
            slider2.setPaintTicks(true);
            slider2.setPaintLabels(true);
            slider2.addChangeListener(this);
            jpanel.add(slider2);
            add(chartpanel);
            add(jpanel, "South");
        }
    }


    public DialDemo5(String s)
    {
        super(s);
        setDefaultCloseOperation(3);
        setContentPane(createDemoPanel());
    }

    public static JPanel createDemoPanel()
    {
        return new DemoPanel();
    }

    public static void main(String args[])
    {
        DialDemo5 dialdemo5 = new DialDemo5("JFreeChart - Dial Demo 5");
        dialdemo5.pack();
        dialdemo5.setVisible(true);
    }
}