jfreechartdemobase.java

大家打开看看啊, 很有用的东西

        String subtitleStr = resources.getString("meter.meter.subtitle");
        String units = resources.getString("meter.meter.units");
        DefaultMeterDataset data = DemoDatasetFactory.createMeterDataset();

        data.setUnits(units);
        MeterPlot plot = new MeterPlot(data);
        plot.setMeterAngle(270);
        plot.setDialType(2);
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                                          plot, false);

        // then customise it a little...
        TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
        return chart;
    }

    /**
     * Creates a compass chart.
     *
     * @return a compass chart.
     */
    public JFreeChart createCompassChart() {

        // create a default chart based on some sample data...
        String title = resources.getString("meter.compass.title");
        String subtitleStr = resources.getString("meter.compass.subtitle");
        DefaultValueDataset data = new DefaultValueDataset(new Double(45.0));

        Plot plot = new CompassPlot(data);
        JFreeChart chart = new JFreeChart(
            title, 
            JFreeChart.DEFAULT_TITLE_FONT,
            plot, 
            false
        );

        // then customise it a little...
        TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));
        return chart;
    }

    /**
     * Creates and returns a sample wind plot.
     *
     * @return a sample wind plot.
     */
    public JFreeChart createWindPlot() {

        // create a default chart based on some sample data...
        String title = resources.getString("other.wind.title");
        String domain = resources.getString("other.wind.domain");
        String range = resources.getString("other.wind.range");
        WindDataset data = DemoDatasetFactory.createWindDataset1();
        JFreeChart chart = ChartFactory.createWindPlot(title, domain, range, data,
                                                       true,
                                                       false,
                                                       false);

        // then customise it a little...
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.green));
        return chart;

    }

    /**
     * Creates and returns a sample scatter plot.
     *
     * @return a sample scatter plot.
     */
    public JFreeChart createScatterPlot() {

        // create a default chart based on some sample data...
        String title = resources.getString("other.scatter.title");
        String domain = resources.getString("other.scatter.domain");
        String range = resources.getString("other.scatter.range");
        XYDataset data = new SampleXYDataset2();
        JFreeChart chart = ChartFactory.createScatterPlot(
            title, 
            domain, 
            range, 
            data,
            PlotOrientation.VERTICAL, 
            true,
            true,  // tooltips
            false  // urls
        );

        // then customise it a little...
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.green));

        XYPlot plot = chart.getXYPlot();
        plot.setDomainCrosshairVisible(true);
        plot.setRangeCrosshairVisible(true);
        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setAutoRangeIncludesZero(false);
        return chart;

    }

    /**
     * Creates and returns a sample line chart.
     *
     * @return a line chart.
     */
    public JFreeChart createLineChart() {

        // create a default chart based on some sample data...
        String title = resources.getString("other.line.title");
        String domain = resources.getString("other.line.domain");
        String range = resources.getString("other.line.range");
        CategoryDataset data = DemoDatasetFactory.createCategoryDataset();
        JFreeChart chart = ChartFactory.createLineChart(title, domain, range, data,
                                                        PlotOrientation.VERTICAL,
                                                        true,
                                                        true,
                                                        false);

        // then customise it a little...
        chart.setBackgroundImage(JFreeChart.INFO.getLogo());
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.green));

        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setBackgroundAlpha(0.65f);
        CategoryAxis axis = plot.getDomainAxis();
        axis.setVerticalCategoryLabels(true);
        return chart;
    }

    /**
     * Creates and returns a sample vertical XY bar chart.
     *
     * @return a sample vertical XY bar chart.
     */
    public JFreeChart createVerticalXYBarChart() {

        // create a default chart based on some sample data...
        String title = resources.getString("other.xybar.title");
        String domain = resources.getString("other.xybar.domain");
        String range = resources.getString("other.xybar.range");
        TimeSeriesCollection data = DemoDatasetFactory.createTimeSeriesCollection1();
        data.setDomainIsPointsInTime(false);
        JFreeChart chart = ChartFactory.createXYBarChart(
            title, 
            domain, 
            range, 
            data,
            PlotOrientation.VERTICAL,
            true,
            false,
            false
        );

        // then customise it a little...
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.blue));

        XYItemRenderer renderer = chart.getXYPlot().getRenderer();
        renderer.setToolTipGenerator(new TimeSeriesToolTipGenerator());
        return chart;
    }

    /**
     * Creates and returns a sample XY chart with null data.
     *
     * @return a chart.
     */
    public JFreeChart createNullXYPlot() {

        // create a default chart based on some sample data...
        String title = resources.getString("test.null.title");
        String domain = resources.getString("test.null.domain");
        String range = resources.getString("test.null.range");
        XYDataset data = null;
        JFreeChart chart = ChartFactory.createXYLineChart(
            title, domain, range, data,
            PlotOrientation.VERTICAL,
            true,
            true,
            false
        );

        // then customise it a little...
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.red));
        return chart;

    }

    /**
     * Creates a sample XY plot with an empty dataset.
     *
     * @return a sample XY plot with an empty dataset.
     */
    public JFreeChart createXYPlotZeroData() {

        // create a default chart based on some sample data...
        String title = resources.getString("test.zero.title");
        String domain = resources.getString("test.zero.domain");
        String range = resources.getString("test.zero.range");
        XYDataset data = new EmptyXYDataset();
        JFreeChart chart = ChartFactory.createXYLineChart(
            title, domain, range, data,
            PlotOrientation.VERTICAL,
            true,
            true,
            false
        );

        // then customise it a little...
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.red));
        return chart;
    }

    /**
     * Creates and returns a sample time series chart that will be displayed in a scroll pane.
     *
     * @return a sample time series chart.
     */
    public JFreeChart createTimeSeriesChartInScrollPane() {

        // create a default chart based on some sample data...
        String title = resources.getString("test.scroll.title");
        String domain = resources.getString("test.scroll.domain");
        String range = resources.getString("test.scroll.range");
        String subtitleStr = resources.getString("test.scroll.subtitle");
        XYDataset data = DemoDatasetFactory.createTimeSeriesCollection2();
        JFreeChart chart = ChartFactory.createTimeSeriesChart(title, domain, range, data,
                                                              true,
                                                              true,
                                                              false);

        // then customise it a little...
        TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.gray));
        return chart;

    }

    /**
     * Creates and returns a sample bar chart with just one series.
     *
     * @return a sample bar chart.
     */
    public JFreeChart createSingleSeriesBarChart() {

        // create a default chart based on some sample data...
        String title = resources.getString("test.single.title");
        String domain = resources.getString("test.single.domain");
        String range = resources.getString("test.single.range");
        String subtitle1Str = resources.getString("test.single.subtitle1");
        String subtitle2Str = resources.getString("test.single.subtitle2");

        CategoryDataset data = DemoDatasetFactory.createSingleSeriesCategoryDataset();

        JFreeChart chart = ChartFactory.createBarChart(title, domain, range, data,
                                                       PlotOrientation.HORIZONTAL,
                                                       true,
                                                       true,
                                                       false);
        chart.addSubtitle(new TextTitle(subtitle1Str));
        chart.addSubtitle(new TextTitle(subtitle2Str));
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.red));
        return chart;

    }

    /**
     * Displays an XY chart that is periodically updated by a background thread.  This is to
     * demonstrate the event notification system that automatically updates charts as required.
     *
     * @return a chart.
     */
    public JFreeChart createDynamicXYChart() {

        String title = resources.getString("test.dynamic.title");
        String domain = resources.getString("test.dynamic.domain");
        String range = resources.getString("test.dynamic.range");

        SampleXYDataset data = new SampleXYDataset();
        JFreeChart chart = ChartFactory.createXYLineChart(
            title, domain, range, data,
            PlotOrientation.VERTICAL,
            true,
            true,
            false
        );
        SampleXYDatasetThread update = new SampleXYDatasetThread(data);

        Thread thread = new Thread(update);
        thread.start();

        return chart;

    }

    /**
     * Creates and returns a sample overlaid chart.
     * <P>
     * Note:  with the introduction of multiple secondary datasets in JFreeChart version 0.9.10,
     * the overlaid chart facility has been removed.  You can achieve the same results using
     * a regular XYPlot with multiple datasets.
     *
     * @return an overlaid chart.
     */
    public JFreeChart createOverlaidChart() {

        // create a default chart based on some sample data...
        String title = this.resources.getString("combined.overlaid.title");
        String subtitleStr = this.resources.getString("combined.overlaid.subtitle");
        String domainAxisLabel = this.resources.getString("combined.overlaid.domain");
        String rangeAxisLabel = this.resources.getString("combined.overlaid.range");

        // create high-low and moving average dataset
        HighLowDataset highLowData = DemoDatasetFactory.createHighLowDataset();

        // make an overlaid plot
        ValueAxis domainAxis = new DateAxis(domainAxisLabel);
        NumberAxis rangeAxis = new NumberAxis(rangeAxisLabel);
        rangeAxis.setAutoRangeIncludesZero(false);
        XYItemRenderer renderer1 = new HighLowRenderer();
        renderer1.setToolTipGenerator(new HighLowToolTipGenerator());

        XYPlot plot = new XYPlot(highLowData, domainAxis, rangeAxis, renderer1);

        // overlay a moving average dataset
        XYDataset maData = MovingAverage.createMovingAverage(
            highLowData, 
            " (Moving Average)",
            5 * 24 * 60 * 60 * 1000L,
            5 * 24 * 60 * 60 * 1000L
        );
        plot.setSecondaryDataset(0, maData);
        XYItemRenderer renderer2 = new StandardXYItemRenderer();
        renderer2.setToolTipGenerator(new TimeSeriesToolTipGenerator("d-MMM-yyyy", "0.00"));
        plot.setSecondaryRenderer(0, renderer2);

        // make the top level JFreeChart object
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, true);

        // then customise it a little...
        TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
        chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue));

        return chart;