dialdemo2.java

jfreechart 1.0.6 demo 源代码

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 DialDemo2 extends JFrame
{
    static class DemoPanel extends JPanel
        implements ChangeListener
    {

        public void stateChanged(ChangeEvent changeevent)
        {
            dataset1.setValue(new Integer(slider1.getValue()));
            dataset2.setValue(new Integer(slider2.getValue()));
        }

        DefaultValueDataset dataset1;
        DefaultValueDataset dataset2;
        JSlider slider1;
        JSlider slider2;

        public DemoPanel()
        {
            super(new BorderLayout());
            dataset1 = new DefaultValueDataset(10D);
            dataset2 = new DefaultValueDataset(50D);
            DialPlot dialplot = new DialPlot();
            dialplot.setView(0.0D, 0.0D, 1.0D, 1.0D);
            dialplot.setDataset(0, dataset1);
            dialplot.setDataset(1, dataset2);
            SimpleDialFrame simpledialframe = new SimpleDialFrame();
            simpledialframe.setBackgroundPaint(Color.lightGray);
            simpledialframe.setForegroundPaint(Color.darkGray);
            dialplot.setDialFrame(simpledialframe);
            GradientPaint gradientpaint = new GradientPaint(new Point(), new Color(255, 255, 255), new Point(), new Color(170, 170, 220));
            DialBackground dialbackground = new DialBackground(gradientpaint);
            dialbackground.setGradientPaintTransformer(new StandardGradientPaintTransformer(GradientPaintTransformType.VERTICAL));
            dialplot.setBackground(dialbackground);
            DialTextAnnotation dialtextannotation = new DialTextAnnotation("Temperature");
            dialtextannotation.setFont(new Font("Dialog", 1, 14));
            dialtextannotation.setRadius(0.69999999999999996D);
            dialplot.addLayer(dialtextannotation);
            DialValueIndicator dialvalueindicator = new DialValueIndicator(0, "c");
            dialvalueindicator.setFont(new Font("Dialog", 0, 10));
            dialvalueindicator.setOutlinePaint(Color.darkGray);
            dialvalueindicator.setRadius(0.59999999999999998D);
            dialvalueindicator.setAngle(-103D);
            dialplot.addLayer(dialvalueindicator);
            DialValueIndicator dialvalueindicator1 = new DialValueIndicator(1, "c");
            dialvalueindicator1.setFont(new Font("Dialog", 0, 10));
            dialvalueindicator1.setOutlinePaint(Color.red);
            dialvalueindicator1.setRadius(0.59999999999999998D);
            dialvalueindicator1.setAngle(-77D);
            dialplot.addLayer(dialvalueindicator1);
            StandardDialScale standarddialscale = new StandardDialScale(-40D, 60D, -120D, -300D);
            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, 100D, -120D, -300D);
            standarddialscale1.setTickRadius(0.5D);
            standarddialscale1.setTickLabelOffset(0.14999999999999999D);
            standarddialscale1.setTickLabelFont(new Font("Dialog", 0, 10));
            standarddialscale1.setMajorTickPaint(Color.red);
            dialplot.addScale(1, standarddialscale1);
            dialplot.mapDatasetToScale(1, 1);
            org.jfree.experimental.chart.plot.dial.DialPointer.Pin pin = new org.jfree.experimental.chart.plot.dial.DialPointer.Pin(1);
            pin.setRadius(0.55000000000000004D);
            dialplot.addLayer(pin);
            org.jfree.experimental.chart.plot.dial.DialPointer.Pointer pointer = new org.jfree.experimental.chart.plot.dial.DialPointer.Pointer(0);
            dialplot.addLayer(pointer);
            DialCap dialcap = new DialCap();
            dialcap.setRadius(0.10000000000000001D);
            dialplot.setCap(dialcap);
            JFreeChart jfreechart = new JFreeChart(dialplot);
            jfreechart.setTitle("Dial Demo 2");
            ChartPanel chartpanel = new ChartPanel(jfreechart);
            chartpanel.setPreferredSize(new Dimension(400, 400));
            JPanel jpanel = new JPanel(new GridLayout(2, 2));
            jpanel.add(new JLabel("Outer Needle:"));
            jpanel.add(new JLabel("Inner Needle:"));
            slider1 = new JSlider(-40, 60);
            slider1.setMajorTickSpacing(20);
            slider1.setPaintTicks(true);
            slider1.setPaintLabels(true);
            slider1.addChangeListener(this);
            jpanel.add(slider1);
            jpanel.add(slider1);
            slider2 = new JSlider(0, 100);
            slider2.setMajorTickSpacing(20);
            slider2.setPaintTicks(true);
            slider2.setPaintLabels(true);
            slider2.addChangeListener(this);
            jpanel.add(slider2);
            add(chartpanel);
            add(jpanel, "South");
        }
    }


    public DialDemo2(String s)
    {
        super(s);
        setDefaultCloseOperation(3);
        setContentPane(createDemoPanel());
    }

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

    public static void main(String args[])
    {
        DialDemo2 dialdemo2 = new DialDemo2("JFreeChart - Dial Demo 2");
        dialdemo2.pack();
        dialdemo2.setVisible(true);
    }
}