Examples of org.jfree.chart.axis.CategoryAxis

org.jfree.chart.axis.CategoryAxis
An axis that displays categories.

        plot.setShadowGenerator(this.shadowGenerator);


        // process all domain axes
        int domainAxisCount = plot.getDomainAxisCount();
        for (int i = 0; i < domainAxisCount; i++) {
            CategoryAxis axis = plot.getDomainAxis(i);
            if (axis != null) {
                applyToCategoryAxis(axis);
            }
        }

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     * @return The axis (<code>null</code> possible).
     *
     * @see #setDomainAxis(int, CategoryAxis)
     */
    public CategoryAxis getDomainAxis(int index) {
        CategoryAxis result = null;
        if (index < this.domainAxes.size()) {
            result = (CategoryAxis) this.domainAxes.get(index);
        }
        if (result == null) {
            Plot parent = getParent();

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     * @param index  the axis index.
     * @param axis  the axis (<code>null</code> permitted).
     * @param notify  notify listeners?
     */
    public void setDomainAxis(int index, CategoryAxis axis, boolean notify) {
        CategoryAxis existing = (CategoryAxis) this.domainAxes.get(index);
        if (existing != null) {
            existing.removeChangeListener(this);
        }
        if (axis != null) {
            axis.setPlot(this);
        }
        this.domainAxes.set(index, axis);

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     * Clears the domain axes from the plot and sends a {@link PlotChangeEvent}
     * to all registered listeners.
     */
    public void clearDomainAxes() {
        for (int i = 0; i < this.domainAxes.size(); i++) {
            CategoryAxis axis = (CategoryAxis) this.domainAxes.get(i);
            if (axis != null) {
                axis.removeChangeListener(this);
            }
        }
        this.domainAxes.clear();
        fireChangeEvent();
    }

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    /**
     * Configures the domain axes.
     */
    public void configureDomainAxes() {
        for (int i = 0; i < this.domainAxes.size(); i++) {
            CategoryAxis axis = (CategoryAxis) this.domainAxes.get(i);
            if (axis != null) {
                axis.configure();
            }
        }
    }

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     */
    public CategoryAxis getDomainAxisForDataset(int index) {
        if (index < 0) {
            throw new IllegalArgumentException("Negative 'index'.");
        }
        CategoryAxis axis = null;
        List axisIndices = (List) this.datasetToDomainAxesMap.get(
                new Integer(index));
        if (axisIndices != null) {
            // the first axis in the list is used for data <--> Java2D
            Integer axisIndex = (Integer) axisIndices.get(0);

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        AxisCollection axisCollection = new AxisCollection();


        // add domain axes to lists...
        for (int index = 0; index < this.domainAxes.size(); index++) {
            CategoryAxis xAxis = (CategoryAxis) this.domainAxes.get(index);
            if (xAxis != null) {
                axisCollection.add(xAxis, getDomainAxisEdge(index));
            }
        }

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            PlotRenderingInfo info, CategoryCrosshairState crosshairState) {


        boolean foundData = false;
        CategoryDataset currentDataset = getDataset(index);
        CategoryItemRenderer renderer = getRenderer(index);
        CategoryAxis domainAxis = getDomainAxisForDataset(index);
        ValueAxis rangeAxis = getRangeAxisForDataset(index);
        boolean hasData = !DatasetUtilities.isEmptyOrNull(currentDataset);
        if (hasData && renderer != null) {


            foundData = true;

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        RectangleEdge domainAxisEdge = getDomainAxisEdge();
        CategoryDataset dataset = getDataset();
        if (dataset == null) {
            return;
        }
        CategoryAxis axis = getDomainAxis();
        if (axis != null) {
            int columnCount = dataset.getColumnCount();
            for (int c = 0; c < columnCount; c++) {
                double xx = axis.getCategoryJava2DCoordinate(anchor, c,
                        columnCount, dataArea, domainAxisEdge);
                CategoryItemRenderer renderer1 = getRenderer();
                if (renderer1 != null) {
                    renderer1.drawDomainGridline(g2, this, dataArea, xx);
                }

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        if (r == null) {
            return;
        }


        Collection markers = getDomainMarkers(index, layer);
        CategoryAxis axis = getDomainAxisForDataset(index);
        if (markers != null && axis != null) {
            Iterator iterator = markers.iterator();
            while (iterator.hasNext()) {
                CategoryMarker marker = (CategoryMarker) iterator.next();
                r.drawDomainMarker(g2, this, axis, marker, dataArea);

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