org.jfree.chart.renderer.category.GanttRenderer Java Examples

The following examples show how to use org.jfree.chart.renderer.category.GanttRenderer. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: GanttRendererTests.java    From astor with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Check that the equals() method distinguishes all fields.
 */
public void testEquals() {
    GanttRenderer r1 = new GanttRenderer();
    GanttRenderer r2 = new GanttRenderer();
    assertEquals(r1, r2);

    r1.setCompletePaint(Color.yellow);
    assertFalse(r1.equals(r2));
    r2.setCompletePaint(Color.yellow);
    assertTrue(r1.equals(r2));

    r1.setIncompletePaint(Color.green);
    assertFalse(r1.equals(r2));
    r2.setIncompletePaint(Color.green);
    assertTrue(r1.equals(r2));

    r1.setStartPercent(0.11);
    assertFalse(r1.equals(r2));
    r2.setStartPercent(0.11);
    assertTrue(r1.equals(r2));

    r1.setEndPercent(0.88);
    assertFalse(r1.equals(r2));
    r2.setEndPercent(0.88);
    assertTrue(r1.equals(r2));
}
 
Example #2
Source File: ChartFactory.java    From astor with GNU General Public License v2.0 6 votes vote down vote up
/**
 * 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.
 *
 * @return A Gantt chart.
 */
public static JFreeChart createGanttChart(String title,
        String categoryAxisLabel, String dateAxisLabel,
        IntervalCategoryDataset dataset, boolean legend) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    DateAxis dateAxis = new DateAxis(dateAxisLabel);
    CategoryItemRenderer renderer = new GanttRenderer();
    renderer.setBaseToolTipGenerator(
                new IntervalCategoryToolTipGenerator(
                "{3} - {4}", DateFormat.getDateInstance()));
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, dateAxis,
            renderer);
    plot.setOrientation(PlotOrientation.HORIZONTAL);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 
Example #3
Source File: GanttRendererTests.java    From astor with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Check that the equals() method distinguishes all fields.
 */
public void testEquals() {
    GanttRenderer r1 = new GanttRenderer();
    GanttRenderer r2 = new GanttRenderer();
    assertEquals(r1, r2);
    
    r1.setCompletePaint(Color.yellow);
    assertFalse(r1.equals(r2));
    r2.setCompletePaint(Color.yellow);
    assertTrue(r1.equals(r2));
    
    r1.setIncompletePaint(Color.green);
    assertFalse(r1.equals(r2));
    r2.setIncompletePaint(Color.green);
    assertTrue(r1.equals(r2));

    r1.setStartPercent(0.11);
    assertFalse(r1.equals(r2));
    r2.setStartPercent(0.11);
    assertTrue(r1.equals(r2));

    r1.setEndPercent(0.88);
    assertFalse(r1.equals(r2));
    r2.setEndPercent(0.88);
    assertTrue(r1.equals(r2));
}
 
Example #4
Source File: ChartFactory.java    From openstock with GNU General Public License v3.0 5 votes vote down vote up
/**
 * 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);
    currentTheme.apply(chart);
    return chart;

}
 
Example #5
Source File: ChartFactory.java    From ccu-historian with GNU General Public License v3.0 5 votes vote down vote up
/**
 * 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);
    currentTheme.apply(chart);
    return chart;

}
 
Example #6
Source File: ChartFactory.java    From SIMVA-SoS with Apache License 2.0 5 votes vote down vote up
/**
 * 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);
    currentTheme.apply(chart);
    return chart;

}
 
Example #7
Source File: ChartFactory.java    From ECG-Viewer with GNU General Public License v2.0 5 votes vote down vote up
/**
 * 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);
    currentTheme.apply(chart);
    return chart;

}
 
Example #8
Source File: GanttRendererTests.java    From astor with GNU General Public License v2.0 5 votes vote down vote up
/**
 * Two objects that are equal are required to return the same hashCode.
 */
public void testHashcode() {
    GanttRenderer r1 = new GanttRenderer();
    GanttRenderer r2 = new GanttRenderer();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}
 
Example #9
Source File: GanttRendererTests.java    From astor with GNU General Public License v2.0 5 votes vote down vote up
/**
 * Two objects that are equal are required to return the same hashCode. 
 */
public void testHashcode() {
    GanttRenderer r1 = new GanttRenderer();
    GanttRenderer r2 = new GanttRenderer();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}
 
Example #10
Source File: ChartFactory.java    From astor with GNU General Public License v2.0 5 votes vote down vote up
/**
 * 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.setBaseURLGenerator(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;

}
 
Example #11
Source File: ChartFactory.java    From opensim-gui with Apache License 2.0 5 votes vote down vote up
/**
 * 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;

}
 
Example #12
Source File: ChartFactory.java    From buffer_bci with GNU General Public License v3.0 5 votes vote down vote up
/**
 * 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);
    currentTheme.apply(chart);
    return chart;

}
 
Example #13
Source File: ChartFactory.java    From buffer_bci with GNU General Public License v3.0 5 votes vote down vote up
/**
 * 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);
    currentTheme.apply(chart);
    return chart;

}
 
Example #14
Source File: DefaultChartTheme.java    From jasperreports with GNU Lesser General Public License v3.0 4 votes vote down vote up
/**
 *
 */
protected JFreeChart createGanttChart() throws JRException
{
	//FIXMECHART legend/tooltip/url should come from plot?
	
	ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme());
	JFreeChart jfreeChart =
		ChartFactory.createGanttChart(
			evaluateTextExpression(getChart().getTitleExpression()),
			evaluateTextExpression(((JRBarPlot)getPlot()).getCategoryAxisLabelExpression()),
			evaluateTextExpression(((JRBarPlot)getPlot()).getValueAxisLabelExpression()),
			(GanttCategoryDataset)getDataset(),
			isShowLegend(),
			true,  //FIXMECHART tooltip: I guess BarPlot is not the best for gantt
			false
			);

	configureChart(jfreeChart);
	
	CategoryPlot categoryPlot = (CategoryPlot)jfreeChart.getPlot();
	//plot.setNoDataMessage("No data to display");
	
	JRBarPlot barPlot = (JRBarPlot)getPlot();
	boolean isShowTickMarks = barPlot.getShowTickMarks() == null ? true : barPlot.getShowTickMarks();
	boolean isShowTickLabels = barPlot.getShowTickLabels() == null ? true : barPlot.getShowTickLabels();
	boolean isShowLabels = barPlot.getShowLabels() == null ? false : barPlot.getShowLabels();
	
	categoryPlot.getDomainAxis().setTickMarksVisible(isShowTickMarks);
	categoryPlot.getDomainAxis().setTickLabelsVisible(isShowTickLabels);
	// Handle the axis formating for the category axis
	configureAxis(
		categoryPlot.getDomainAxis(), barPlot.getCategoryAxisLabelFont(),
		barPlot.getCategoryAxisLabelColor(), barPlot.getCategoryAxisTickLabelFont(),
		barPlot.getCategoryAxisTickLabelColor(), barPlot.getCategoryAxisTickLabelMask(), barPlot.getCategoryAxisVerticalTickLabels(),
		barPlot.getCategoryAxisLineColor(), false, null, null
		);
	((DateAxis)categoryPlot.getRangeAxis()).setTickMarksVisible(isShowTickMarks);
	((DateAxis)categoryPlot.getRangeAxis()).setTickLabelsVisible(isShowTickLabels);
	// Handle the axis formating for the value axis
	configureAxis(
		categoryPlot.getRangeAxis(), barPlot.getValueAxisLabelFont(),
		barPlot.getValueAxisLabelColor(), barPlot.getValueAxisTickLabelFont(),
		barPlot.getValueAxisTickLabelColor(), barPlot.getValueAxisTickLabelMask(), barPlot.getValueAxisVerticalTickLabels(),
		barPlot.getValueAxisLineColor(), true,
		(Comparable<?>)evaluateExpression(barPlot.getRangeAxisMinValueExpression()),
		(Comparable<?>)evaluateExpression(barPlot.getRangeAxisMaxValueExpression()));

	GanttRenderer categoryRenderer = (GanttRenderer)categoryPlot.getRenderer();
	categoryRenderer.setBaseItemLabelGenerator((CategoryItemLabelGenerator)getLabelGenerator());
	categoryRenderer.setBaseItemLabelsVisible(isShowLabels);
	categoryRenderer.setShadowVisible(false);

	return jfreeChart;
}
 
Example #15
Source File: GanttRendererTests.java    From astor with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Check that this class implements PublicCloneable.
 */
public void testPublicCloneable() {
    GanttRenderer r1 = new GanttRenderer();
    assertTrue(r1 instanceof PublicCloneable);
}