Java Code Examples for org.jfree.chart.plot.CategoryPlot#setRangeAxis()

/**
 * Some checks for the getRangeAxisIndex() method.
 */
public void testGetRangeAxisIndex() {
    CategoryAxis domainAxis1 = new CategoryAxis("X1");
    NumberAxis rangeAxis1 = new NumberAxis("Y1");
    NumberAxis rangeAxis2 = new NumberAxis("Y2");
    CategoryPlot plot = new CategoryPlot(null, domainAxis1, rangeAxis1, 
            null);
    assertEquals(0, plot.getRangeAxisIndex(rangeAxis1));
    assertEquals(-1, plot.getRangeAxisIndex(rangeAxis2));
    plot.setRangeAxis(1, rangeAxis2);
    assertEquals(1, plot.getRangeAxisIndex(rangeAxis2));
    assertEquals(-1, plot.getRangeAxisIndex(new NumberAxis("Y2")));
    boolean pass = false;
    try {
        plot.getRangeAxisIndex(null);
    }
    catch (IllegalArgumentException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * A simple test for the auto-range calculation looking at a
 * NumberAxis used as the range axis for a CategoryPlot.  In this
 * case, the original dataset is replaced with a new dataset.
 */
@Test
public void testAutoRange3() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createLineChart("Test", "Categories",
            "Value", dataset, PlotOrientation.VERTICAL, false, false,
            false);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    LogAxis axis = new LogAxis("Log(Y)");
    plot.setRangeAxis(axis);
    assertEquals(96.59363289248458, axis.getLowerBound(), EPSILON);
    assertEquals(207.0529847682752, axis.getUpperBound(), EPSILON);

    // now replacing the dataset should update the axis range...
    DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();
    dataset2.setValue(900.0, "Row 1", "Column 1");
    dataset2.setValue(1000.0, "Row 1", "Column 2");
    plot.setDataset(dataset2);
    assertEquals(895.2712433374774, axis.getLowerBound(), EPSILON);
    assertEquals(1005.2819262292991, axis.getUpperBound(), EPSILON);
}
 

/**
 * A simple test for the auto-range calculation looking at a
 * LogAxis used as the range axis for a CategoryPlot.
 */
public void testAutoRange1() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createBarChart(
        "Test",
        "Categories",
        "Value",
        dataset,
        PlotOrientation.VERTICAL,
        false,
        false,
        false
    );
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    LogAxis axis = new LogAxis("Log(Y)");
    plot.setRangeAxis(axis);
    assertEquals(0.0, axis.getLowerBound(), EPSILON);
    assertEquals(2.6066426411261268E7, axis.getUpperBound(), EPSILON);
}
 

/**
 * A simple test for the auto-range calculation looking at a
 * NumberAxis used as the range axis for a CategoryPlot.  In this
 * case, the original dataset is replaced with a new dataset.
 */
public void testAutoRange3() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createLineChart("Test", "Categories",
            "Value", dataset, PlotOrientation.VERTICAL, false, false,
            false);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    LogAxis axis = new LogAxis("Log(Y)");
    plot.setRangeAxis(axis);
    assertEquals(96.59363289248458, axis.getLowerBound(), EPSILON);
    assertEquals(207.0529847682752, axis.getUpperBound(), EPSILON);

    // now replacing the dataset should update the axis range...
    DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();
    dataset2.setValue(900.0, "Row 1", "Column 1");
    dataset2.setValue(1000.0, "Row 1", "Column 2");
    plot.setDataset(dataset2);
    assertEquals(895.2712433374774, axis.getLowerBound(), EPSILON);
    assertEquals(1005.2819262292991, axis.getUpperBound(), EPSILON);
}
 

/**
 * A simple test for the auto-range calculation looking at a
 * NumberAxis used as the range axis for a CategoryPlot.  In this
 * case, the original dataset is replaced with a new dataset.
 */
@Test
public void testAutoRange3() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createLineChart("Test", "Categories",
            "Value", dataset, PlotOrientation.VERTICAL, false, false,
            false);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    LogAxis axis = new LogAxis("Log(Y)");
    plot.setRangeAxis(axis);
    assertEquals(96.59363289248458, axis.getLowerBound(), EPSILON);
    assertEquals(207.0529847682752, axis.getUpperBound(), EPSILON);

    // now replacing the dataset should update the axis range...
    DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();
    dataset2.setValue(900.0, "Row 1", "Column 1");
    dataset2.setValue(1000.0, "Row 1", "Column 2");
    plot.setDataset(dataset2);
    assertEquals(895.2712433374774, axis.getLowerBound(), EPSILON);
    assertEquals(1005.2819262292991, axis.getUpperBound(), EPSILON);
}
 

/**
 * A simple test for the auto-range calculation looking at a
 * LogAxis used as the range axis for a CategoryPlot.
 */
@Test
public void testAutoRange1() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createBarChart("Test", "Categories",
            "Value", dataset);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    LogAxis axis = new LogAxis("Log(Y)");
    plot.setRangeAxis(axis);
    assertEquals(0.0, axis.getLowerBound(), EPSILON);
    assertEquals(2.6066426411261268E7, axis.getUpperBound(), EPSILON);
}
 

/**
 * Sets the range axis that is shared by all the subplots.
 *
 * @param axis  the axis.
 */
public void setRangeAxis(ValueAxis axis) {
    Iterator l_itr = getSubplots().iterator();
    while (l_itr.hasNext()) {
        CategoryPlot l_subplot = (CategoryPlot) l_itr.next();
        l_subplot.setRangeAxis(0, axis, false);
    }

    super.setRangeAxis(axis);
    if (null == axis) {
        return;
    }

    axis.configure();
}
 

/**
 * Adds a new subplot with the specified weight.
 *
 * @param subplot  the subplot.
 * @param weight  the weight for the subplot.
 */
public void add(CategoryPlot subplot, int weight) {
    super.add(subplot, weight);

    ValueAxis l_range = super.getRangeAxis();
    subplot.setRangeAxis(0, l_range, false);

    super.setRangeAxis(l_range);
    if (null == l_range) {
        return;
    }

    l_range.configure();
}
 

/**
 * A simple test for the auto-range calculation looking at a
 * LogAxis used as the range axis for a CategoryPlot.
 */
@Test
public void testAutoRange1() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createBarChart("Test", "Categories",
            "Value", dataset);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    LogAxis axis = new LogAxis("Log(Y)");
    plot.setRangeAxis(axis);
    assertEquals(0.0, axis.getLowerBound(), EPSILON);
    assertEquals(2.6066426411261268E7, axis.getUpperBound(), EPSILON);
}
 

/**
 * Some tests for the getRangeAxisForDataset() method.
 */
public void testGetRangeAxisForDataset() {
    CategoryDataset dataset = new DefaultCategoryDataset();
    CategoryAxis xAxis = new CategoryAxis("X");
    NumberAxis yAxis = new NumberAxis("Y");
    CategoryItemRenderer renderer = new DefaultCategoryItemRenderer();
    CategoryPlot plot = new CategoryPlot(dataset, xAxis, yAxis, renderer);
    assertEquals(yAxis, plot.getRangeAxisForDataset(0));

    // should get IllegalArgumentException for negative index
    boolean pass = false;
    try {
        plot.getRangeAxisForDataset(-1);
    }
    catch (IllegalArgumentException e) {
        pass = true;
    }
    assertTrue(pass);

    // if multiple axes are mapped, the first in the list should be
    // returned...
    NumberAxis yAxis2 = new NumberAxis("Y2");
    plot.setRangeAxis(1, yAxis2);
    assertEquals(yAxis, plot.getRangeAxisForDataset(0));

    plot.mapDatasetToRangeAxis(0, 1);
    assertEquals(yAxis2, plot.getRangeAxisForDataset(0));

    List axisIndices = Arrays.asList(new Integer[] {new Integer(0),
            new Integer(1)});
    plot.mapDatasetToRangeAxes(0, axisIndices);
    assertEquals(yAxis, plot.getRangeAxisForDataset(0));

    axisIndices = Arrays.asList(new Integer[] {new Integer(1),
            new Integer(2)});
    plot.mapDatasetToRangeAxes(0, axisIndices);
    assertEquals(yAxis2, plot.getRangeAxisForDataset(0));
}
 

/**
 * Adds a new subplot with the specified weight.
 *
 * @param subplot  the subplot.
 * @param weight  the weight for the subplot.
 */
public void add(CategoryPlot subplot, int weight) {
    super.add(subplot, weight);

    ValueAxis l_range = super.getRangeAxis();
    subplot.setRangeAxis(0, l_range, false);

    super.setRangeAxis(l_range);
    if (null == l_range) {
        return;
    }

    l_range.configure();
}
 

/**
 * A test for bug report 1169972.
 */
public void test1169972() {
    CategoryPlot plot = new CategoryPlot(null, null, null, null);
    plot.setDomainAxis(new CategoryAxis("C"));
    plot.setRangeAxis(new NumberAxis("Y"));
    plot.setRenderer(new BarRenderer());
    plot.setDataset(new DefaultCategoryDataset());
    assertTrue(plot != null);
}
 

/**
 * Adds a new subplot with the specified weight.
 *
 * @param subplot  the subplot.
 * @param weight  the weight for the subplot.
 */
public void add(CategoryPlot subplot, int weight) {
    super.add(subplot, weight);

    ValueAxis l_range = super.getRangeAxis();
    subplot.setRangeAxis(0, l_range, false);

    super.setRangeAxis(l_range);
    if (null == l_range) {
        return;
    }

    l_range.configure();
}
 

/**
 * A test for bug report 1169972.
 */
public void test1169972() {
    CategoryPlot plot = new CategoryPlot(null, null, null, null);
    plot.setDomainAxis(new CategoryAxis("C"));
    plot.setRangeAxis(new NumberAxis("Y"));
    plot.setRenderer(new BarRenderer());
    plot.setDataset(new DefaultCategoryDataset());
    assertTrue(plot != null);
}
 

/**
 * A simple test for the auto-range calculation looking at a
 * LogAxis used as the range axis for a CategoryPlot.
 */
@Test
public void testAutoRange1() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createBarChart("Test", "Categories",
            "Value", dataset);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    LogAxis axis = new LogAxis("Log(Y)");
    plot.setRangeAxis(axis);
    assertEquals(0.0, axis.getLowerBound(), EPSILON);
    assertEquals(2.6066426411261268E7, axis.getUpperBound(), EPSILON);
}
 

/**
 * A simple test for the auto-range calculation looking at a
 * LogAxis used as the range axis for a CategoryPlot.
 */
@Test
public void testAutoRange1() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createBarChart("Test", "Categories",
            "Value", dataset);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    LogAxis axis = new LogAxis("Log(Y)");
    plot.setRangeAxis(axis);
    assertEquals(0.0, axis.getLowerBound(), EPSILON);
    assertEquals(2.6066426411261268E7, axis.getUpperBound(), EPSILON);
}
 

private JFreeChart createChart(CategoryDataset dataset, HttpServletRequest request) {
    JFreeChart chart = ChartFactory.createBarChart(null, null, null, dataset, PlotOrientation.HORIZONTAL, false, false, false);

    CategoryPlot plot = chart.getCategoryPlot();
    Paint background = new GradientPaint(0, 0, Color.lightGray, 0, IMAGE_MIN_HEIGHT, Color.white);
    plot.setBackgroundPaint(background);
    plot.setDomainGridlinePaint(Color.white);
    plot.setDomainGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.white);
    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

    LogarithmicAxis rangeAxis = new LogarithmicAxis(null);
    rangeAxis.setStrictValuesFlag(false);
    rangeAxis.setAllowNegativesFlag(true);
    plot.setRangeAxis(rangeAxis);

    // Disable bar outlines.
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

    // Set up gradient paint for series.
    GradientPaint gp0 = new GradientPaint(
            0.0f, 0.0f, Color.blue,
            0.0f, 0.0f, new Color(0, 0, 64)
    );
    renderer.setSeriesPaint(0, gp0);

    // Rotate labels.
    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));

    // Set theme-specific colors.
    Color bgColor = getBackground(request);
    Color fgColor = getForeground(request);

    chart.setBackgroundPaint(bgColor);

    domainAxis.setTickLabelPaint(fgColor);
    domainAxis.setTickMarkPaint(fgColor);
    domainAxis.setAxisLinePaint(fgColor);

    rangeAxis.setTickLabelPaint(fgColor);
    rangeAxis.setTickMarkPaint(fgColor);
    rangeAxis.setAxisLinePaint(fgColor);

    return chart;
}
 

private static CategoryPlot createCategoryPlotWith( ValueAxis rangeAxis ) {
  CategoryPlot plot = new CategoryPlot();
  plot.setRangeAxis( rangeAxis );
  return plot;
}
 

private JFreeChart createChart(CategoryDataset dataset, HttpServletRequest request) {
    JFreeChart chart = ChartFactory.createBarChart(null, null, null, dataset, PlotOrientation.HORIZONTAL, false, false, false);

    CategoryPlot plot = chart.getCategoryPlot();
    Paint background = new GradientPaint(0, 0, Color.lightGray, 0, IMAGE_MIN_HEIGHT, Color.white);
    plot.setBackgroundPaint(background);
    plot.setDomainGridlinePaint(Color.white);
    plot.setDomainGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.white);
    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

    LogarithmicAxis rangeAxis = new LogarithmicAxis(null);
    rangeAxis.setStrictValuesFlag(false);
    rangeAxis.setAllowNegativesFlag(true);
    plot.setRangeAxis(rangeAxis);

    // Disable bar outlines.
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

    // Set up gradient paint for series.
    GradientPaint gp0 = new GradientPaint(
            0.0f, 0.0f, Color.blue,
            0.0f, 0.0f, new Color(0, 0, 64)
    );
    renderer.setSeriesPaint(0, gp0);

    // Rotate labels.
    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));

    // Set theme-specific colors.
    Color bgColor = getBackground(request);
    Color fgColor = getForeground(request);

    chart.setBackgroundPaint(bgColor);

    domainAxis.setTickLabelPaint(fgColor);
    domainAxis.setTickMarkPaint(fgColor);
    domainAxis.setAxisLinePaint(fgColor);

    rangeAxis.setTickLabelPaint(fgColor);
    rangeAxis.setTickMarkPaint(fgColor);
    rangeAxis.setAxisLinePaint(fgColor);

    return chart;
}
 

private JFreeChart createChart() {
	if (data.getItemCount() > 0) {
		// get cumulative percentages
		KeyedValues cumulative = DataUtilities.getCumulativePercentages(data);

		CategoryDataset categoryDataset = DatasetUtilities.createCategoryDataset(
				"Count for " + this.dataTable.getColumnName(this.countColumn) + " = " + countValue, data);

		// create the chart...
		final JFreeChart chart = ChartFactory.createBarChart(null, // chart title
				this.dataTable.getColumnName(this.groupByColumn), // domain axis label
				"Count", // range axis label
				categoryDataset, // data
				PlotOrientation.VERTICAL, true, // include legend
				true, false);

		// set the background color for the chart...
		chart.setBackgroundPaint(Color.WHITE);

		// get a reference to the plot for further customization...
		CategoryPlot plot = chart.getCategoryPlot();

		CategoryAxis domainAxis = plot.getDomainAxis();
		domainAxis.setLowerMargin(0.02);
		domainAxis.setUpperMargin(0.02);
		domainAxis.setLabelFont(LABEL_FONT_BOLD);
		domainAxis.setTickLabelFont(LABEL_FONT);

		// set the range axis to display integers only...
		NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
		rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits(Locale.US));
		rangeAxis.setLabelFont(LABEL_FONT_BOLD);
		rangeAxis.setTickLabelFont(LABEL_FONT);

		// second data set (cumulative percentages)
		CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("Cumulative (Percent)", cumulative);

		LineAndShapeRenderer renderer2 = new LineAndShapeRenderer();
		renderer2.setSeriesPaint(0, SwingTools.VERY_DARK_BLUE.darker());

		NumberAxis axis2 = new NumberAxis("Percent of " + countValue);
		axis2.setNumberFormatOverride(NumberFormat.getPercentInstance());
		axis2.setLabelFont(LABEL_FONT_BOLD);
		axis2.setTickLabelFont(LABEL_FONT);

		plot.setRangeAxis(1, axis2);
		plot.setDataset(1, dataset2);
		plot.setRenderer(1, renderer2);
		plot.mapDatasetToRangeAxis(1, 1);

		axis2.setTickUnit(new NumberTickUnit(0.1));

		// show grid lines
		plot.setRangeGridlinesVisible(true);

		// bring cumulative line to front
		plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);

		if (isLabelRotating()) {
			domainAxis.setTickLabelsVisible(true);
			domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 2.0d));
		}

		return chart;
	} else {
		return null;
	}
}