chartfactory.java

JFreeChart它主要是用来制作各种各样的图表

     * @param legend  a flag specifying whether or not a legend is required.
     * @param tooltips  configure chart to generate tool tips?
     * @param locale  the locale (<code>null</code> not permitted).
     *
     * @return A ring chart.
     *
     * @since 1.0.7
     */
    public static JFreeChart createRingChart(String title, PieDataset dataset,
            boolean legend, boolean tooltips, Locale locale) {

        RingPlot plot = new RingPlot(dataset);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator(locale));
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator(locale));
        }
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        currentTheme.apply(chart);
        return chart;
    }

    /**
     * Creates a ring chart with default settings.
     * <P>
     * The chart object returned by this method uses a {@link RingPlot}
     * instance as the plot.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param dataset  the dataset for the chart (<code>null</code> permitted).
     * @param legend  a flag specifying whether or not a legend is required.
     * @param tooltips  configure chart to generate tool tips?
     * @param urls  configure chart to generate URLs?
     *
     * @return A ring chart.
     */
    public static JFreeChart createRingChart(String title,
                                             PieDataset dataset,
                                             boolean legend,
                                             boolean tooltips,
                                             boolean urls) {

        RingPlot plot = new RingPlot(dataset);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator());
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator());
        }
        if (urls) {
            plot.setURLGenerator(new StandardPieURLGenerator());
        }
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        currentTheme.apply(chart);
        return chart;

    }

    /**
     * Creates a chart that displays multiple pie plots.  The chart object
     * returned by this method uses a {@link MultiplePiePlot} instance as the
     * plot.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param dataset  the dataset (<code>null</code> permitted).
     * @param order  the order that the data is extracted (by row or by column)
     *               (<code>null</code> not permitted).
     * @param legend  include a legend?
     * @param tooltips  generate tooltips?
     * @param urls  generate URLs?
     *
     * @return A chart.
     */
    public static JFreeChart createMultiplePieChart(String title,
                                                    CategoryDataset dataset,
                                                    TableOrder order,
                                                    boolean legend,
                                                    boolean tooltips,
                                                    boolean urls) {

        if (order == null) {
            throw new IllegalArgumentException("Null 'order' argument.");
        }
        MultiplePiePlot plot = new MultiplePiePlot(dataset);
        plot.setDataExtractOrder(order);
        plot.setBackgroundPaint(null);
        plot.setOutlineStroke(null);

        if (tooltips) {
            PieToolTipGenerator tooltipGenerator
                = new StandardPieToolTipGenerator();
            PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
            pp.setToolTipGenerator(tooltipGenerator);
        }

        if (urls) {
            PieURLGenerator urlGenerator = new StandardPieURLGenerator();
            PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
            pp.setURLGenerator(urlGenerator);
        }

        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        currentTheme.apply(chart);
        return chart;

    }

    /**
     * Creates a 3D pie chart using the specified dataset.  The chart object
     * returned by this method uses a {@link PiePlot3D} instance as the
     * plot.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param dataset  the dataset for the chart (<code>null</code> permitted).
     * @param legend  a flag specifying whether or not a legend is required.
     * @param tooltips  configure chart to generate tool tips?
     * @param locale  the locale (<code>null</code> not permitted).
     *
     * @return A pie chart.
     *
     * @since 1.0.7
     */
    public static JFreeChart createPieChart3D(String title, PieDataset dataset,
            boolean legend, boolean tooltips, Locale locale) {

        PiePlot3D plot = new PiePlot3D(dataset);
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator(locale));
        }
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        currentTheme.apply(chart);
        return chart;

    }

    /**
     * Creates a 3D pie chart using the specified dataset.  The chart object
     * returned by this method uses a {@link PiePlot3D} instance as the
     * plot.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param dataset  the dataset for the chart (<code>null</code> permitted).
     * @param legend  a flag specifying whether or not a legend is required.
     * @param tooltips  configure chart to generate tool tips?
     * @param urls  configure chart to generate URLs?
     *
     * @return A pie chart.
     */
    public static JFreeChart createPieChart3D(String title,
                                              PieDataset dataset,
                                              boolean legend,
                                              boolean tooltips,
                                              boolean urls) {

        PiePlot3D plot = new PiePlot3D(dataset);
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator());
        }
        if (urls) {
            plot.setURLGenerator(new StandardPieURLGenerator());
        }
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        currentTheme.apply(chart);
        return chart;

    }

    /**
     * Creates a chart that displays multiple pie plots.  The chart object
     * returned by this method uses a {@link MultiplePiePlot} instance as the
     * plot.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param dataset  the dataset (<code>null</code> permitted).
     * @param order  the order that the data is extracted (by row or by column)
     *               (<code>null</code> not permitted).
     * @param legend  include a legend?
     * @param tooltips  generate tooltips?
     * @param urls  generate URLs?
     *
     * @return A chart.
     */
    public static JFreeChart createMultiplePieChart3D(String title,
                                                      CategoryDataset dataset,
                                                      TableOrder order,
                                                      boolean legend,
                                                      boolean tooltips,
                                                      boolean urls) {

        if (order == null) {
            throw new IllegalArgumentException("Null 'order' argument.");
        }
        MultiplePiePlot plot = new MultiplePiePlot(dataset);
        plot.setDataExtractOrder(order);
        plot.setBackgroundPaint(null);
        plot.setOutlineStroke(null);

        JFreeChart pieChart = new JFreeChart(new PiePlot3D(null));
        TextTitle seriesTitle = new TextTitle("Series Title",
                new Font("SansSerif", Font.BOLD, 12));
        seriesTitle.setPosition(RectangleEdge.BOTTOM);
        pieChart.setTitle(seriesTitle);
        pieChart.removeLegend();
        pieChart.setBackgroundPaint(null);
        plot.setPieChart(pieChart);

        if (tooltips) {
            PieToolTipGenerator tooltipGenerator
                = new StandardPieToolTipGenerator();
            PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
            pp.setToolTipGenerator(tooltipGenerator);
        }

        if (urls) {
            PieURLGenerator urlGenerator = new StandardPieURLGenerator();
            PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
            pp.setURLGenerator(urlGenerator);
        }

        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        currentTheme.apply(chart);
        return chart;

    }

    /**
     * Creates a bar chart.  The chart object returned by this method uses a
     * {@link CategoryPlot} instance as the plot, with a {@link CategoryAxis}
     * for the domain axis, a {@link NumberAxis} as the range axis, and a
     * {@link BarRenderer} as the renderer.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param categoryAxisLabel  the label for the category axis
     *                           (<code>null</code> permitted).
     * @param valueAxisLabel  the label for the value axis
     *                        (<code>null</code> permitted).
     * @param dataset  the dataset for the chart (<code>null</code> permitted).
     * @param orientation  the plot orientation (horizontal or vertical)
     *                     (<code>null</code> not permitted).
     * @param legend  a flag specifying whether or not a legend is required.
     * @param tooltips  configure chart to generate tool tips?
     * @param urls  configure chart to generate URLs?
     *
     * @return A bar chart.
     */
    public static JFreeChart createBarChart(String title,
                                            String categoryAxisLabel,
                                            String valueAxisLabel,
                                            CategoryDataset dataset,
                                            PlotOrientation orientation,
                                            boolean legend,
                                            boolean tooltips,
                                            boolean urls) {

        if (orientation == null) {
            throw new IllegalArgumentException("Null 'orientation' argument.");
        }
        CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
        ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

        BarRenderer renderer = new BarRenderer();
        if (orientation == PlotOrientation.HORIZONTAL) {
            ItemLabelPosition position1 = new ItemLabelPosition(
                    ItemLabelAnchor.OUTSIDE3, TextAnchor.CENTER_LEFT);
            renderer.setBasePositiveItemLabelPosition(position1);
            ItemLabelPosition position2 = new ItemLabelPosition(
                    ItemLabelAnchor.OUTSIDE9, TextAnchor.CENTER_RIGHT);
            renderer.setBaseNegativeItemLabelPosition(position2);
         }
        else if (orientation == PlotOrientation.VERTICAL) {
            ItemLabelPosition position1 = new ItemLabelPosition(
                    ItemLabelAnchor.OUTSIDE12, TextAnchor.BOTTOM_CENTER);
            renderer.setBasePositiveItemLabelPosition(position1);
            ItemLabelPosition position2 = new ItemLabelPosition(
                    ItemLabelAnchor.OUTSIDE6, TextAnchor.TOP_CENTER);
            renderer.setBaseNegativeItemLabelPosition(position2);
        }
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                    new StandardCategoryToolTipGenerator());