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

Package org.jfree.chart.renderer.category

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

org.jfree.chart.renderer.category.CategoryItemRenderer
A plug-in object that is used by the {@link CategoryPlot} class to displayindividual data items from a {@link CategoryDataset}.
This interface defines the methods that must be provided by all renderers. If you are implementing a custom renderer, you should consider extending the {@link AbstractCategoryItemRenderer} class.
Most renderer attributes are defined using a "three layer" approach. When looking up an attribute (for example, the outline paint) the renderer first checks to see if there is a setting (in layer 0) that applies to ALL items that the renderer draws. If there is, that setting is used, but if it is null the renderer looks up the next layer, which contains "per series" settings for the attribute (many attributes are defined on a per series basis, so this is the layer that is most commonly used). If the layer 1 setting is null, the renderer will look up the final layer, which provides a default or "base" setting. Some attributes allow the base setting to be null, while other attributes enforce non-null values.

            Comparable rowKey, Comparable columnKey, Stroke stroke,
            Paint paint) {


        CategoryDataset dataset = getDataset(datasetIndex);
        CategoryAxis axis = getDomainAxisForDataset(datasetIndex);
        CategoryItemRenderer renderer = getRenderer(datasetIndex);
        Line2D line = null;
        if (orientation == PlotOrientation.VERTICAL) {
            double xx = renderer.getItemMiddle(rowKey, columnKey, dataset, axis,
                    dataArea, RectangleEdge.BOTTOM);
            line = new Line2D.Double(xx, dataArea.getMinY(), xx,
                    dataArea.getMaxY());
        }
        else {
            double yy = renderer.getItemMiddle(rowKey, columnKey, dataset, axis,
                    dataArea, RectangleEdge.LEFT);
            line = new Line2D.Double(dataArea.getMinX(), yy,
                    dataArea.getMaxX(), yy);
        }
        g2.setStroke(stroke);

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        // iterate through the datasets that map to the axis and get the union
        // of the ranges.
        Iterator iterator = mappedDatasets.iterator();
        while (iterator.hasNext()) {
            CategoryDataset d = (CategoryDataset) iterator.next();
            CategoryItemRenderer r = getRendererForDataset(d);
            if (r != null) {
                result = Range.combine(result, r.findRangeBounds(d));
            }
        }
        return result;


    }

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        clone.datasetToRangeAxesMap = new TreeMap();
        clone.datasetToRangeAxesMap.putAll(this.datasetToRangeAxesMap);


        clone.renderers = (ObjectList) this.renderers.clone();
        for (int i = 0; i < this.renderers.size(); i++) {
            CategoryItemRenderer renderer2 = (CategoryItemRenderer)
                    this.renderers.get(i);
            if (renderer2 instanceof PublicCloneable) {
                PublicCloneable pc = (PublicCloneable) renderer2;
                CategoryItemRenderer rc = (CategoryItemRenderer) pc.clone();
                clone.renderers.set(i, rc);
                rc.setPlot(clone);
                rc.addChangeListener(clone);
            }
        }
        if (this.fixedDomainAxisSpace != null) {
            clone.fixedDomainAxisSpace = (AxisSpace) ObjectUtilities.clone(
                    this.fixedDomainAxisSpace);

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                dataset.addChangeListener(this);
            }
        }
        int rendererCount = this.renderers.size();
        for (int i = 0; i < rendererCount; i++) {
            CategoryItemRenderer renderer
                = (CategoryItemRenderer) this.renderers.get(i);
            if (renderer != null) {
                renderer.addChangeListener(this);
            }
        }


    }

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     * Check that setting a tool tip generator for a series does override the
     * default generator.
     */
    public void testSetSeriesToolTipGenerator() {
        CategoryPlot plot = (CategoryPlot) this.chart.getPlot();
        CategoryItemRenderer renderer = plot.getRenderer();
        StandardCategoryToolTipGenerator tt
                = new StandardCategoryToolTipGenerator();
        renderer.setSeriesToolTipGenerator(0, tt);
        CategoryToolTipGenerator tt2 = renderer.getToolTipGenerator(0, 0);
        assertTrue(tt2 == tt);
    }

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     * Check that setting a URL generator for a series does override the
     * default generator.
     */
    public void testSetSeriesURLGenerator() {
        CategoryPlot plot = (CategoryPlot) this.chart.getPlot();
        CategoryItemRenderer renderer = plot.getRenderer();
        StandardCategoryURLGenerator url1
                = new StandardCategoryURLGenerator();
        renderer.setSeriesItemURLGenerator(0, url1);
        CategoryURLGenerator url2 = renderer.getItemURLGenerator(0, 0);
        assertTrue(url2 == url1);
    }

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        ParamChecks.nullNotPermitted(orientation, "orientation");
        CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
        ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);


        // create the renderer...
        CategoryItemRenderer renderer = new StackedBarRenderer3D();
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                    new StandardCategoryToolTipGenerator());
        }
        if (urls) {
            renderer.setBaseItemURLGenerator(
                    new StandardCategoryURLGenerator());
        }


        // create the plot...
        CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,

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            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);

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     * Check that setting a tool tip generator for a series does override the
     * default generator.
     */
    public void testSetSeriesToolTipGenerator() {
        CategoryPlot plot = (CategoryPlot) this.chart.getPlot();
        CategoryItemRenderer renderer = plot.getRenderer();
        StandardCategoryToolTipGenerator tt
                = new StandardCategoryToolTipGenerator();
        renderer.setSeriesToolTipGenerator(0, tt);
        CategoryToolTipGenerator tt2 = renderer.getToolTipGenerator(0, 0);
        assertTrue(tt2 == tt);
    }

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     * Check that setting a URL generator for a series does override the
     * default generator.
     */
    public void testSetSeriesURLGenerator() {
        CategoryPlot plot = (CategoryPlot) this.chart.getPlot();
        CategoryItemRenderer renderer = plot.getRenderer();
        StandardCategoryURLGenerator url1
                = new StandardCategoryURLGenerator();
        renderer.setSeriesItemURLGenerator(0, url1);
        CategoryURLGenerator url2 = renderer.getItemURLGenerator(0, 0);
        assertTrue(url2 == url1);
    }

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