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

/**
 * Check that the equals() method distinguishes all fields.
 */
public void testEquals() {
    WaterfallBarRenderer r1 = new WaterfallBarRenderer();
    WaterfallBarRenderer r2 = new WaterfallBarRenderer();
    assertEquals(r1, r2);

    // firstBarPaint;
    r1.setFirstBarPaint(Color.cyan);
    assertFalse(r1.equals(r2));
    r2.setFirstBarPaint(Color.cyan);
    assertTrue(r1.equals(r2));

    // lastBarPaint;
    r1.setLastBarPaint(Color.cyan);
    assertFalse(r1.equals(r2));
    r2.setLastBarPaint(Color.cyan);
    assertTrue(r1.equals(r2));

    // positiveBarPaint;
    r1.setPositiveBarPaint(Color.cyan);
    assertFalse(r1.equals(r2));
    r2.setPositiveBarPaint(Color.cyan);
    assertTrue(r1.equals(r2));

    //private Paint negativeBarPaint;
    r1.setNegativeBarPaint(Color.cyan);
    assertFalse(r1.equals(r2));
    r2.setNegativeBarPaint(Color.cyan);
    assertTrue(r1.equals(r2));

}
 

/**
 * Two objects that are equal are required to return the same hashCode.
 */
public void testHashcode() {
    WaterfallBarRenderer r1 = new WaterfallBarRenderer();
    WaterfallBarRenderer r2 = new WaterfallBarRenderer();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}
 

/**
 * 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 legend  a flag specifying whether or not a legend is required.
 *
 * @return A waterfall chart.
 */
public static JFreeChart createWaterfallChart(String title,
        String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, boolean legend) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    categoryAxis.setCategoryMargin(0.0);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);
    WaterfallBarRenderer renderer = new WaterfallBarRenderer();
    ItemLabelPosition position = new ItemLabelPosition(
            ItemLabelAnchor.CENTER, TextAnchor.CENTER,
            TextAnchor.CENTER, 0.0);
    renderer.setBasePositiveItemLabelPosition(position);
    renderer.setBaseNegativeItemLabelPosition(position);
    StandardCategoryToolTipGenerator generator
            = new StandardCategoryToolTipGenerator();
    renderer.setBaseToolTipGenerator(generator);
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,
            renderer);
    plot.clearRangeMarkers();
    Marker baseline = new ValueMarker(0.0);
    baseline.setPaint(Color.black);
    plot.addRangeMarker(baseline, Layer.FOREGROUND);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 

/**
 * Check that the equals() method distinguishes all fields.
 */
public void testEquals() {
    WaterfallBarRenderer r1 = new WaterfallBarRenderer();
    WaterfallBarRenderer r2 = new WaterfallBarRenderer();
    assertEquals(r1, r2);
            
    // firstBarPaint;
    r1.setFirstBarPaint(Color.cyan);
    assertFalse(r1.equals(r2));
    r2.setFirstBarPaint(Color.cyan);
    assertTrue(r1.equals(r2));
    
    // lastBarPaint;
    r1.setLastBarPaint(Color.cyan);
    assertFalse(r1.equals(r2));
    r2.setLastBarPaint(Color.cyan);
    assertTrue(r1.equals(r2));

    // positiveBarPaint;
    r1.setPositiveBarPaint(Color.cyan);
    assertFalse(r1.equals(r2));
    r2.setPositiveBarPaint(Color.cyan);
    assertTrue(r1.equals(r2));

    //private Paint negativeBarPaint;
    r1.setNegativeBarPaint(Color.cyan);
    assertFalse(r1.equals(r2));
    r2.setNegativeBarPaint(Color.cyan);
    assertTrue(r1.equals(r2));

}
 

/**
 * Two objects that are equal are required to return the same hashCode. 
 */
public void testHashcode() {
    WaterfallBarRenderer r1 = new WaterfallBarRenderer();
    WaterfallBarRenderer r2 = new WaterfallBarRenderer();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}
 

/**
 * Some tests for the findRangeBounds() method.
 */
public void testFindRangeBounds() {
    WaterfallBarRenderer r = new WaterfallBarRenderer();
    assertNull(r.findRangeBounds(null));
}
 

/**
 * Check that this class implements PublicCloneable.
 */
public void testPublicCloneable() {
    WaterfallBarRenderer r1 = new WaterfallBarRenderer();
    assertTrue(r1 instanceof PublicCloneable);
}