chartfactory.java

java图形利器

        if (urls) {
            renderer.setBaseItemURLGenerator(
                    new StandardCategoryURLGenerator());
        }

        CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
                renderer);
        plot.setOrientation(orientation);
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);

        return chart;

    }

    /**
     * Creates a stacked area chart with default settings.  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 StackedAreaRenderer} 
     * 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 stacked area chart.
     */
    public static JFreeChart createStackedAreaChart(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);

        StackedAreaRenderer renderer = new StackedAreaRenderer();
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                    new StandardCategoryToolTipGenerator());
        }
        if (urls) {
            renderer.setBaseItemURLGenerator(
                    new StandardCategoryURLGenerator());
        }

        CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
                renderer);
        plot.setOrientation(orientation);
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, 
                plot, legend);

        return chart;

    }

    /**
     * Creates a line chart with default settings.  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 LineAndShapeRenderer} 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 chart 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 line chart.
     */
    public static JFreeChart createLineChart(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);

        LineAndShapeRenderer renderer = new LineAndShapeRenderer(true, false);
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                    new StandardCategoryToolTipGenerator());
        }
        if (urls) {
            renderer.setBaseItemURLGenerator(
                    new StandardCategoryURLGenerator());
        }
        CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
                renderer);
        plot.setOrientation(orientation);
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);

        return chart;

    }

    /**
     * Creates a line chart with default settings. The chart object returned by 
     * this method uses a {@link CategoryPlot} instance as the plot, with a 
     * {@link CategoryAxis3D} for the domain axis, a {@link NumberAxis3D} as 
     * the range axis, and a {@link LineRenderer3D} 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 chart 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 line chart.
     */
    public static JFreeChart createLineChart3D(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 CategoryAxis3D(categoryAxisLabel);
        ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);

        LineRenderer3D renderer = new LineRenderer3D();
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                    new StandardCategoryToolTipGenerator());
        }
        if (urls) {
            renderer.setBaseItemURLGenerator(
                    new StandardCategoryURLGenerator());
        }
        CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
                renderer);
        plot.setOrientation(orientation);
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);

        return chart;

    }

    /**
     * Creates a Gantt chart using the supplied attributes plus default values 
     * where required.  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 DateAxis} as the range axis, and a 
     * {@link GanttRenderer} 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 dateAxisLabel  the label for the date axis 
     *                       (<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 Gantt chart.
     */
    public static JFreeChart createGanttChart(String title,
                                              String categoryAxisLabel,
                                              String dateAxisLabel,
                                              IntervalCategoryDataset dataset,
                                              boolean legend,
                                              boolean tooltips,
                                              boolean urls) {

        CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
        DateAxis dateAxis = new DateAxis(dateAxisLabel);

        CategoryItemRenderer renderer = new GanttRenderer();
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                    new IntervalCategoryToolTipGenerator(
                    "{3} - {4}", DateFormat.getDateInstance()));
        }
        if (urls) {
            renderer.setBaseItemURLGenerator(
                    new StandardCategoryURLGenerator());
        }

        CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, dateAxis, 
                renderer);
        plot.setOrientation(PlotOrientation.HORIZONTAL);
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);

        return chart;

    }

    /**
     * Creates a waterfall 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 WaterfallBarRenderer} 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 waterfall chart.
     */
    public static JFreeChart createWaterfallChart(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);
        categoryAxis.setCategoryMargin(0.0);

        ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

        WaterfallBarRenderer renderer = new WaterfallBarRenderer();
        if (orientation == PlotOrientation.HORIZONTAL) {
            ItemLabelPosition position = new ItemLabelPosition(
                    ItemLabelAnchor.CENTER, TextAnchor.CENTER, 
                    TextAnchor.CENTER, Math.PI / 2.0);
            renderer.setBasePositiveItemLabelPosition(position);
            renderer.setBaseNegativeItemLabelPosition(position);
         }
        else if (orientation == PlotOrientation.VERTICAL) {
            ItemLabelPosition position = new ItemLabelPosition(
                    ItemLabelAnchor.CENTER, TextAnchor.CENTER, 
                    TextAnchor.CENTER, 0.0);
            renderer.setBasePositiveItemLabelPosition(position);
            renderer.setBaseNegativeItemLabelPosition(position);
        }
        if (tooltips) {
            StandardCategoryToolTipGenerator generator 
                = new StandardCategoryToolTipGenerator();