Java CategoryItemRenderer.setToolTipGenerator方法代碼示例

import org.jfree.chart.renderer.category.CategoryItemRenderer; //導入方法依賴的package包/類
/**
 * It creates a chart for the given dataset and adds the chart to the panel.
 *
 * @param dataset The dataset that will provide the values for the chart.
 */
private void addChart() {
    JFreeChart chart = ChartFactory.createBarChart3D(getTitle(),
            null, "Time" + unitSuffix(),
            dataset, PlotOrientation.VERTICAL,
            true, true, false);
    chart.addProgressListener(locker);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    CategoryItemRenderer renderer = plot.getRenderer();
    renderer.setToolTipGenerator(dataset);
    
    mainPanel().add(BorderLayout.CENTER, new ChartPanel(chart));
}
 

import org.jfree.chart.renderer.category.CategoryItemRenderer; //導入方法依賴的package包/類
/**
 * It creates a chart for the given dataset and adds the chart to the panel.
 *
 * @param dataset The dataset that will provide the values for the chart.
 */
private void addChart() {
    JFreeChart chart = ChartFactory.createStackedBarChart3D(
            getTitle(), null, "Breakdown" + unitSuffix(),
            dataset, PlotOrientation.VERTICAL, true, true, false);
    CategoryAxis domainAxis = chart.getCategoryPlot().getDomainAxis();
    domainAxis.setCategoryLabelPositions(
            CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));
    chart.addProgressListener(locker);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    CategoryItemRenderer renderer = plot.getRenderer();
    renderer.setToolTipGenerator(dataset);
    
    mainPanel().add(BorderLayout.CENTER, new ChartPanel(chart));
}
 

import org.jfree.chart.renderer.category.CategoryItemRenderer; //導入方法依賴的package包/類
/**
 * Creates a stacked bar chart with a 3D effect and default settings.
 * <P>
 * 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.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    }
    if (urls) {
        renderer.setItemURLGenerator(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;

}
 

import org.jfree.chart.renderer.category.CategoryItemRenderer; //導入方法依賴的package包/類
/**
 * Creates a Gantt chart using the supplied attributes plus default values where required.
 * <P>
 * 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.setToolTipGenerator(
            new IntervalCategoryToolTipGenerator("{3} - {4}", DateFormat.getDateInstance())
        );
    }
    if (urls) {
        renderer.setItemURLGenerator(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;

}