chartfactory.java

java图形利器

     *                     (<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());
        }
        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 bar 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 StackedBarRenderer} 
     * as the renderer.
     *
     * @param title  the chart title (<code>null</code> permitted).
     * @param domainAxisLabel  the label for the category axis 
     *                         (<code>null</code> permitted).
     * @param rangeAxisLabel  the label for the value axis 
     *                        (<code>null</code> permitted).
     * @param dataset  the dataset for the chart (<code>null</code> permitted).
     * @param orientation  the orientation of the chart (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 bar chart.
     */
    public static JFreeChart createStackedBarChart(String title,
                                                   String domainAxisLabel,
                                                   String rangeAxisLabel,
                                                   CategoryDataset dataset,
                                                   PlotOrientation orientation,
                                                   boolean legend,
                                                   boolean tooltips,
                                                   boolean urls) {

        if (orientation == null) {
            throw new IllegalArgumentException("Null 'orientation' argument.");
        }

        CategoryAxis categoryAxis = new CategoryAxis(domainAxisLabel);
        ValueAxis valueAxis = new NumberAxis(rangeAxisLabel);

        StackedBarRenderer renderer = new StackedBarRenderer();
        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 bar chart with a 3D effect. 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 BarRenderer3D} 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 with a 3D effect.
     */
    public static JFreeChart createBarChart3D(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);

        BarRenderer3D renderer = new BarRenderer3D();
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                    new StandardCategoryToolTipGenerator());
        }
        if (urls) {
            renderer.setBaseItemURLGenerator(
                    new StandardCategoryURLGenerator());
        }

        CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
                renderer);
        plot.setOrientation(orientation);
        if (orientation == PlotOrientation.HORIZONTAL) {
            // change rendering order to ensure that bar overlapping is the 
            // right way around
            plot.setRowRenderingOrder(SortOrder.DESCENDING);
            plot.setColumnRenderingOrder(SortOrder.DESCENDING);
        }
        plot.setForegroundAlpha(0.75f);

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

        return chart;

    }

    /**
     * Creates a stacked bar chart with a 3D effect and 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 StackedBarRenderer3D} 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 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 bar chart with a 3D effect.
     */
    public static JFreeChart createStackedBarChart3D(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);

        // create the renderer...
        CategoryItemRenderer renderer = new StackedBarRenderer3D();
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                    new StandardCategoryToolTipGenerator());
        }
        if (urls) {
            renderer.setBaseItemURLGenerator(
                    new StandardCategoryURLGenerator());
        }

        // create the plot...
        CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, 
                renderer);
        plot.setOrientation(orientation);
        if (orientation == PlotOrientation.HORIZONTAL) {
            // change rendering order to ensure that bar overlapping is the 
            // right way around
            plot.setColumnRenderingOrder(SortOrder.DESCENDING);
        }

        // create the chart...
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, 
                plot, legend);

        return chart;

    }

    /**
     * Creates an 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 an {@link AreaRenderer} 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 (<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 An area chart.
     */
    public static JFreeChart createAreaChart(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);

        AreaRenderer renderer = new AreaRenderer();
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                    new StandardCategoryToolTipGenerator());
        }