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

Package org.jfree.chart.renderer.category

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

org.jfree.chart.renderer.category.WaterfallBarRenderer
A renderer that handles the drawing of waterfall bar charts, for use with the {@link CategoryPlot} class. Some quirks to note:
- the value in the last category of the dataset should be (redundantly) specified as the sum of the items in the preceding categories - otherwise the final bar in the plot will be incorrectly plotted;
- the bar colors are defined using special methods in this class - the inherited methods (for example, {@link AbstractRenderer#setSeriesPaint(int,Paint)}) are ignored;
The example shown here is generated by the WaterfallChartDemo1.java program included in the JFreeChart Demo Collection:


    /**
     * 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);
    }

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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        WaterfallBarRenderer r1 = new WaterfallBarRenderer();
        WaterfallBarRenderer r2 = null;
        try {
            r2 = (WaterfallBarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
        
        // quick check for independence
        r1.setFirstBarPaint(Color.yellow);
        assertFalse(r1.equals(r2));
        r2.setFirstBarPaint(Color.yellow);
        assertTrue(r1.equals(r2));
        
    }

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {


        WaterfallBarRenderer r1 = new WaterfallBarRenderer();
        WaterfallBarRenderer r2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);

View Full Code Here

        CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
        categoryAxis.setCategoryMargin(0.0);


        ValueAxis valueAxis = new NumberAxis(valueAxisLabel);


        WaterfallBarRenderer renderer = new WaterfallBarRenderer();
        // FIXME create a new method for the horizontal version
//        if (orientation == PlotOrientation.HORIZONTAL) {
//            ItemLabelPosition position = new ItemLabelPosition(
//                    ItemLabelAnchor.CENTER, TextAnchor.CENTER,
//                    TextAnchor.CENTER, Math.PI / 2.0);
//            renderer.setBasePositiveItemLabelPosition(position);
//            renderer.setBaseNegativeItemLabelPosition(position);
//         }
        ItemLabelPosition position = new ItemLabelPosition(
                ItemLabelAnchor.CENTER, TextAnchor.CENTER,
                TextAnchor.CENTER, 0.0);
        renderer.setDefaultPositiveItemLabelPosition(position);
        renderer.setDefaultNegativeItemLabelPosition(position);
        StandardCategoryToolTipGenerator generator
                = new StandardCategoryToolTipGenerator();
        renderer.setDefaultToolTipGenerator(generator);


        CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,
                renderer);
        plot.clearRangeMarkers();
        Marker baseline = new ValueMarker(0.0);

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        CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
        categoryAxis.setCategoryMargin(0.0);


        ValueAxis valueAxis = new NumberAxis(valueAxisLabel);


        WaterfallBarRenderer renderer = new WaterfallBarRenderer();
        if (orientation == PlotOrientation.HORIZONTAL) {
            ItemLabelPosition position = new ItemLabelPosition(
                ItemLabelAnchor.CENTER, TextAnchor.CENTER, 
                TextAnchor.CENTER, Math.PI / 2.0
            );
            renderer.setPositiveItemLabelPosition(position);
            renderer.setNegativeItemLabelPosition(position);
         }
        else if (orientation == PlotOrientation.VERTICAL) {
            ItemLabelPosition position = new ItemLabelPosition(
                ItemLabelAnchor.CENTER, TextAnchor.CENTER, 
                TextAnchor.CENTER, 0.0
            );
            renderer.setPositiveItemLabelPosition(position);
            renderer.setNegativeItemLabelPosition(position);
        }
        if (tooltips) {
            StandardCategoryToolTipGenerator generator 
                = new StandardCategoryToolTipGenerator();
            renderer.setBaseToolTipGenerator(generator);
        }
        if (urls) {
            renderer.setBaseItemURLGenerator(
                new StandardCategoryURLGenerator()
            );
        }


        CategoryPlot plot = new CategoryPlot(

View Full Code Here


    /**
     * 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));


    }

View Full Code Here


    /**
     * 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);
    }

View Full Code Here

    
    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        WaterfallBarRenderer r1 = new WaterfallBarRenderer();
        WaterfallBarRenderer r2 = null;
        try {
            r2 = (WaterfallBarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
        
        // quick check for independence
        r1.setFirstBarPaint(Color.yellow);
        assertFalse(r1.equals(r2));
        r2.setFirstBarPaint(Color.yellow);
        assertTrue(r1.equals(r2));
        
    }

View Full Code Here

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {


        WaterfallBarRenderer r1 = new WaterfallBarRenderer();
        WaterfallBarRenderer r2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);

View Full Code Here

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Related Classes of org.jfree.chart.renderer.category.WaterfallBarRenderer

org.jfree.chart.ChartFactory

org.jfree.chart.entity.CategoryItemEntity

org.jfree.chart.entity.EntityCollection

org.jfree.chart.event.RendererChangeEvent

org.jfree.chart.labels.CategoryItemLabelGenerator

org.jfree.chart.labels.CategoryLabelGenerator

org.jfree.chart.labels.CategoryToolTipGenerator

org.jfree.chart.plot.PlotOrientation

org.jfree.chart.renderer.category.junit.WaterfallBarRendererTests

org.jfree.chart.ui.RectangleEdge

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