crosshairdemo1.java

很好的制作统计图表的代码

// Decompiled by DJ v3.7.7.81 Copyright 2004 Atanas Neshkov  Date: 7/18/2005 5:13:42 PM
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 

package org.jfree.chart.demo;

import java.awt.*;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.table.*;
import org.jfree.chart.*;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.event.ChartProgressEvent;
import org.jfree.chart.event.ChartProgressListener;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.data.Range;
import org.jfree.data.time.*;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.*;

public class CrosshairDemo1 extends ApplicationFrame
{
    static class DemoTableModel extends AbstractTableModel
        implements TableModel
    {

        public int getColumnCount()
        {
            return 7;
        }

        public int getRowCount()
        {
            return 1;
        }

        public Object getValueAt(int i, int j)
        {
            return data[i][j];
        }

        public void setValueAt(Object obj, int i, int j)
        {
            data[i][j] = obj;
            fireTableDataChanged();
        }

        public String getColumnName(int i)
        {
            switch(i)
            {
            case 0: // '\0'
                return "Series Name:";

            case 1: // '\001'
                return "X:";

            case 2: // '\002'
                return "Y:";

            case 3: // '\003'
                return "X (prev)";

            case 4: // '\004'
                return "Y (prev):";

            case 5: // '\005'
                return "X (next):";

            case 6: // '\006'
                return "Y (next):";
            }
            return null;
        }

        private Object data[][];

        public DemoTableModel(int i)
        {
            data = new Object[i][7];
        }
    }

    private static class DemoPanel extends JPanel
        implements ChangeListener, ChartProgressListener
    {

        private JFreeChart createChart()
        {
            XYDataset xydataset = createDataset("Random 1", 100D, new Minute(), 200);
            JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("Crosshair Demo 1", "Time of Day", "Value", xydataset, true, true, false);
            jfreechart.setBackgroundPaint(Color.white);
            XYPlot xyplot = jfreechart.getXYPlot();
            xyplot.setOrientation(PlotOrientation.VERTICAL);
            xyplot.setBackgroundPaint(Color.lightGray);
            xyplot.setDomainGridlinePaint(Color.white);
            xyplot.setRangeGridlinePaint(Color.white);
            xyplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D));
            xyplot.setDomainCrosshairVisible(true);
            xyplot.setDomainCrosshairLockedOnData(false);
            xyplot.setRangeCrosshairVisible(false);
            XYItemRenderer xyitemrenderer = xyplot.getRenderer();
            xyitemrenderer.setPaint(Color.black);
            return jfreechart;
        }

        private XYDataset createDataset(String s, double d, RegularTimePeriod regulartimeperiod, int i)
        {
            series = new TimeSeries(s, regulartimeperiod.getClass());
            RegularTimePeriod regulartimeperiod1 = regulartimeperiod;
            double d1 = d;
            for(int j = 0; j < i; j++)
            {
                series.add(regulartimeperiod1, d1);
                regulartimeperiod1 = regulartimeperiod1.next();
                d1 *= 1.0D + (Math.random() - 0.495D) / 10D;
            }

            TimeSeriesCollection timeseriescollection = new TimeSeriesCollection();
            timeseriescollection.addSeries(series);
            return timeseriescollection;
        }

        public void stateChanged(ChangeEvent changeevent)
        {
            int i = slider.getValue();
            XYPlot xyplot = chart.getXYPlot();
            ValueAxis valueaxis = xyplot.getDomainAxis();
            Range range = valueaxis.getRange();
            double d = valueaxis.getLowerBound() + ((double)i / 100D) * range.getLength();
            xyplot.setDomainCrosshairValue(d);
        }

        public void chartProgress(ChartProgressEvent chartprogressevent)
        {
            if(chartprogressevent.getType() != 2)
                return;
            if(chartPanel != null)
            {
                JFreeChart jfreechart = chartPanel.getChart();
                if(jfreechart != null)
                {
                    XYPlot xyplot = jfreechart.getXYPlot();
                    XYDataset xydataset = xyplot.getDataset();
                    Comparable comparable = xydataset.getSeriesKey(0);
                    double d = xyplot.getDomainCrosshairValue();
                    model.setValueAt(comparable, 0, 0);
                    long l = (long)d;
                    model.setValueAt(new Long(l), 0, 1);
                    int i = series.getIndex(new Minute(new Date(l)));
                    if(i >= 0)
                    {
                        TimeSeriesDataItem timeseriesdataitem = series.getDataItem(Math.min(199, Math.max(0, i)));
                        TimeSeriesDataItem timeseriesdataitem1 = series.getDataItem(Math.max(0, i - 1));
                        TimeSeriesDataItem timeseriesdataitem2 = series.getDataItem(Math.min(199, i + 1));
                        long l1 = timeseriesdataitem.getPeriod().getMiddleMillisecond();
                        double d1 = timeseriesdataitem.getValue().doubleValue();
                        long l2 = timeseriesdataitem1.getPeriod().getMiddleMillisecond();
                        double d2 = timeseriesdataitem1.getValue().doubleValue();
                        long l3 = timeseriesdataitem2.getPeriod().getMiddleMillisecond();
                        double d3 = timeseriesdataitem2.getValue().doubleValue();
                        model.setValueAt(new Long(l1), 0, 1);
                        model.setValueAt(new Double(d1), 0, 2);
                        model.setValueAt(new Long(l2), 0, 3);
                        model.setValueAt(new Double(d2), 0, 4);
                        model.setValueAt(new Long(l3), 0, 5);
                        model.setValueAt(new Double(d3), 0, 6);
                    }
                }
            }
        }

        private TimeSeries series;
        private ChartPanel chartPanel;
        private DemoTableModel model;
        private JFreeChart chart;
        private JSlider slider;

        public DemoPanel()
        {
            super(new BorderLayout());
            chart = createChart();
            chart.addProgressListener(this);
            chartPanel = new ChartPanel(chart);
            chartPanel.setPreferredSize(new Dimension(600, 270));
            chartPanel.setDomainZoomable(true);
            chartPanel.setRangeZoomable(true);
            javax.swing.border.CompoundBorder compoundborder = BorderFactory.createCompoundBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4), BorderFactory.createEtchedBorder());
            chartPanel.setBorder(compoundborder);
            add(chartPanel);
            JPanel jpanel = new JPanel(new BorderLayout());
            jpanel.setPreferredSize(new Dimension(400, 60));
            jpanel.setBorder(BorderFactory.createEmptyBorder(0, 4, 4, 4));
            model = new DemoTableModel(3);
            model.setValueAt(chart.getXYPlot().getDataset().getSeriesKey(0), 0, 0);
            model.setValueAt(new Double("0.00"), 0, 1);
            model.setValueAt(new Double("0.00"), 0, 2);
            model.setValueAt(new Double("0.00"), 0, 3);
            model.setValueAt(new Double("0.00"), 0, 4);
            model.setValueAt(new Double("0.00"), 0, 5);
            model.setValueAt(new Double("0.00"), 0, 6);
            JTable jtable = new JTable(model);
            DateCellRenderer datecellrenderer = new DateCellRenderer(new SimpleDateFormat("HH:mm"));
            NumberCellRenderer numbercellrenderer = new NumberCellRenderer();
            jtable.getColumnModel().getColumn(1).setCellRenderer(datecellrenderer);
            jtable.getColumnModel().getColumn(2).setCellRenderer(numbercellrenderer);
            jtable.getColumnModel().getColumn(3).setCellRenderer(datecellrenderer);
            jtable.getColumnModel().getColumn(4).setCellRenderer(numbercellrenderer);
            jtable.getColumnModel().getColumn(5).setCellRenderer(datecellrenderer);
            jtable.getColumnModel().getColumn(6).setCellRenderer(numbercellrenderer);
            jpanel.add(new JScrollPane(jtable));
            slider = new JSlider(0, 100, 50);
            slider.addChangeListener(this);
            jpanel.add(slider, "South");
            add(jpanel, "South");
        }
    }


    public CrosshairDemo1(String s)
    {
        super(s);
        setContentPane(new DemoPanel());
    }

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

    public static void main(String args[])
    {
        CrosshairDemo1 crosshairdemo1 = new CrosshairDemo1("Crosshair Demo 1");
        crosshairdemo1.pack();
        RefineryUtilities.centerFrameOnScreen(crosshairdemo1);
        crosshairdemo1.setVisible(true);
    }
}