Java Code Examples for org.jfree.data.category.CategoryDataset#getColumnKey()

/**
 * Returns a list of the categories that should be displayed for the
 * specified axis.
 * 
 * @param axis  the axis (<code>null</code> not permitted)
 * 
 * @return The categories.
 * 
 * @since 1.0.3
 */
public List getCategoriesForAxis(CategoryAxis axis) {
    List result = new ArrayList();
    int axisIndex = this.domainAxes.indexOf(axis);
    List datasets = datasetsMappedToDomainAxis(axisIndex);
    Iterator iterator = datasets.iterator();
    while (iterator.hasNext()) {
        CategoryDataset dataset = (CategoryDataset) iterator.next();
        // add the unique categories from this dataset
        for (int i = 0; i < dataset.getColumnCount(); i++) {
            Comparable category = dataset.getColumnKey(i);
            if (!result.contains(category)) {
                result.add(category);
            }
        }
    }
    return result;
}
 

/**
 * Returns a list of the categories that should be displayed for the
 * specified axis.
 * 
 * @param axis  the axis (<code>null</code> not permitted)
 * 
 * @return The categories.
 * 
 * @since 1.0.3
 */
public List getCategoriesForAxis(CategoryAxis axis) {
    List result = new ArrayList();
    int axisIndex = this.domainAxes.indexOf(axis);
    List datasets = datasetsMappedToDomainAxis(axisIndex);
    Iterator iterator = datasets.iterator();
    while (iterator.hasNext()) {
        CategoryDataset dataset = (CategoryDataset) iterator.next();
        // add the unique categories from this dataset
        for (int i = 0; i < dataset.getColumnCount(); i++) {
            Comparable category = dataset.getColumnKey(i);
            if (!result.contains(category)) {
                result.add(category);
            }
        }
    }
    return result;
}
 

/**
 * Returns a list of the categories that should be displayed for the
 * specified axis.
 * 
 * @param axis  the axis (<code>null</code> not permitted)
 * 
 * @return The categories.
 * 
 * @since 1.0.3
 */
public List getCategoriesForAxis(CategoryAxis axis) {
    List result = new ArrayList();
    int axisIndex = this.domainAxes.indexOf(axis);
    List datasets = datasetsMappedToDomainAxis(axisIndex);
    Iterator iterator = datasets.iterator();
    while (iterator.hasNext()) {
        CategoryDataset dataset = (CategoryDataset) iterator.next();
        // add the unique categories from this dataset
        for (int i = 0; i < dataset.getColumnCount(); i++) {
            Comparable category = dataset.getColumnKey(i);
            if (!result.contains(category)) {
                result.add(category);
            }
        }
    }
    return result;
}
 

/**
 * Returns a list of the categories that should be displayed for the
 * specified axis.
 * 
 * @param axis  the axis (<code>null</code> not permitted)
 * 
 * @return The categories.
 * 
 * @since 1.0.3
 */
public List getCategoriesForAxis(CategoryAxis axis) {
    List result = new ArrayList();
    int axisIndex = this.domainAxes.indexOf(axis);
    List datasets = datasetsMappedToDomainAxis(axisIndex);
    Iterator iterator = datasets.iterator();
    while (iterator.hasNext()) {
        CategoryDataset dataset = (CategoryDataset) iterator.next();
        // add the unique categories from this dataset
        for (int i = 0; i < dataset.getColumnCount(); i++) {
            Comparable category = dataset.getColumnKey(i);
            if (!result.contains(category)) {
                result.add(category);
            }
        }
    }
    return result;
}
 

/**
 * Returns a list of the categories that should be displayed for the
 * specified axis.
 * 
 * @param axis  the axis (<code>null</code> not permitted)
 * 
 * @return The categories.
 * 
 * @since 1.0.3
 */
public List getCategoriesForAxis(CategoryAxis axis) {
    List result = new ArrayList();
    int axisIndex = this.domainAxes.indexOf(axis);
    List datasets = datasetsMappedToDomainAxis(axisIndex);
    Iterator iterator = datasets.iterator();
    while (iterator.hasNext()) {
        CategoryDataset dataset = (CategoryDataset) iterator.next();
        // add the unique categories from this dataset
        for (int i = 0; i < dataset.getColumnCount(); i++) {
            Comparable category = dataset.getColumnKey(i);
            if (!result.contains(category)) {
                result.add(category);
            }
        }
    }
    return result;
}
 

/**
 * Returns a list of the categories that should be displayed for the
 * specified axis.
 * 
 * @param axis  the axis (<code>null</code> not permitted)
 * 
 * @return The categories.
 * 
 * @since 1.0.3
 */
public List getCategoriesForAxis(CategoryAxis axis) {
    List result = new ArrayList();
    int axisIndex = this.domainAxes.indexOf(axis);
    List datasets = datasetsMappedToDomainAxis(axisIndex);
    Iterator iterator = datasets.iterator();
    while (iterator.hasNext()) {
        CategoryDataset dataset = (CategoryDataset) iterator.next();
        // add the unique categories from this dataset
        for (int i = 0; i < dataset.getColumnCount(); i++) {
            Comparable category = dataset.getColumnKey(i);
            if (!result.contains(category)) {
                result.add(category);
            }
        }
    }
    return result;
}
 

/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param row  the series.
 * @param column  the item.
 * @param selected  is the item selected?
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 *
 * @since 1.2.0
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
        CategoryDataset dataset, int row, int column, boolean selected,
        double entityX, double entityY) {
    if (!getItemCreateEntity(row, column, selected)) {
        return;
    }
    Shape s = hotspot;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            s = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            s = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    CategoryToolTipGenerator generator = getToolTipGenerator(row, column,
            selected);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, row, column);
    }
    String url = null;
    CategoryURLGenerator urlster = getURLGenerator(row, column, selected);
    if (urlster != null) {
        url = urlster.generateURL(dataset, row, column);
    }
    CategoryItemEntity entity = new CategoryItemEntity(s, tip, url,
            dataset, dataset.getRowKey(row), dataset.getColumnKey(column));
    entities.add(entity);
}
 

/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param row  the series.
 * @param column  the item.
 * @param selected  is the item selected?
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 *
 * @since 1.2.0
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
        CategoryDataset dataset, int row, int column, boolean selected,
        double entityX, double entityY) {
    if (!getItemCreateEntity(row, column, selected)) {
        return;
    }
    Shape s = hotspot;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            s = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            s = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    CategoryToolTipGenerator generator = getToolTipGenerator(row, column,
            selected);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, row, column);
    }
    String url = null;
    CategoryURLGenerator urlster = getURLGenerator(row, column, selected);
    if (urlster != null) {
        url = urlster.generateURL(dataset, row, column);
    }
    CategoryItemEntity entity = new CategoryItemEntity(s, tip, url,
            dataset, dataset.getRowKey(row), dataset.getColumnKey(column));
    entities.add(entity);
}
 

/**
 * Creates a pie dataset from a table dataset by taking all the values
 * for a single row.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param row  the row (zero-based index).
 *
 * @return A pie dataset.
 */
public static PieDataset createPieDatasetForRow(CategoryDataset dataset, 
                                                int row) {
    DefaultPieDataset result = new DefaultPieDataset();
    int columnCount = dataset.getColumnCount();
    for (int current = 0; current < columnCount; current++) {
        Comparable columnKey = dataset.getColumnKey(current);
        result.setValue(columnKey, dataset.getValue(row, current));
    }
    return result;
}
 

/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param row  the series.
 * @param column  the item.
 * @param selected  is the item selected?
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 *
 * @since 1.2.0
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
        CategoryDataset dataset, int row, int column, boolean selected,
        double entityX, double entityY) {
    if (!getItemCreateEntity(row, column, selected)) {
        return;
    }
    Shape s = hotspot;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            s = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            s = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    CategoryToolTipGenerator generator = getToolTipGenerator(row, column,
            selected);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, row, column);
    }
    String url = null;
    CategoryURLGenerator urlster = getURLGenerator(row, column, selected);
    if (urlster != null) {
        url = urlster.generateURL(dataset, row, column);
    }
    CategoryItemEntity entity = new CategoryItemEntity(s, tip, url,
            dataset, dataset.getRowKey(row), dataset.getColumnKey(column));
    entities.add(entity);
}
 

/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param row  the series.
 * @param column  the item.
 * @param selected  is the item selected?
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 *
 * @since 1.2.0
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
        CategoryDataset dataset, int row, int column, boolean selected,
        double entityX, double entityY) {
    if (!getItemCreateEntity(row, column, selected)) {
        return;
    }
    Shape s = hotspot;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            s = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            s = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    CategoryToolTipGenerator generator = getToolTipGenerator(row, column,
            selected);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, row, column);
    }
    String url = null;
    CategoryURLGenerator urlster = getURLGenerator(row, column, selected);
    if (urlster != null) {
        url = urlster.generateURL(dataset, row, column);
    }
    CategoryItemEntity entity = new CategoryItemEntity(s, tip, url,
            dataset, dataset.getRowKey(row), dataset.getColumnKey(column));
    entities.add(entity);
}
 

/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param row  the series.
 * @param column  the item.
 * @param selected  is the item selected?
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 *
 * @since 1.2.0
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
        CategoryDataset dataset, int row, int column, boolean selected,
        double entityX, double entityY) {
    if (!getItemCreateEntity(row, column, selected)) {
        return;
    }
    Shape s = hotspot;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            s = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            s = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    CategoryToolTipGenerator generator = getToolTipGenerator(row, column,
            selected);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, row, column);
    }
    String url = null;
    CategoryURLGenerator urlster = getURLGenerator(row, column, selected);
    if (urlster != null) {
        url = urlster.generateURL(dataset, row, column);
    }
    CategoryItemEntity entity = new CategoryItemEntity(s, tip, url,
            dataset, dataset.getRowKey(row), dataset.getColumnKey(column));
    entities.add(entity);
}
 

/**
 * Creates a pie dataset from a table dataset by taking all the values
 * for a single row.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param row  the row (zero-based index).
 *
 * @return A pie dataset.
 */
public static PieDataset createPieDatasetForRow(CategoryDataset dataset,
                                                int row) {
    DefaultPieDataset result = new DefaultPieDataset();
    int columnCount = dataset.getColumnCount();
    for (int current = 0; current < columnCount; current++) {
        Comparable columnKey = dataset.getColumnKey(current);
        result.setValue(columnKey, dataset.getValue(row, current));
    }
    return result;
}
 

/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param row  the series.
 * @param column  the item.
 * @param selected  is the item selected?
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 *
 * @since 1.2.0
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
        CategoryDataset dataset, int row, int column, boolean selected,
        double entityX, double entityY) {
    if (!getItemCreateEntity(row, column, selected)) {
        return;
    }
    Shape s = hotspot;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            s = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            s = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    CategoryToolTipGenerator generator = getToolTipGenerator(row, column,
            selected);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, row, column);
    }
    String url = null;
    CategoryURLGenerator urlster = getURLGenerator(row, column, selected);
    if (urlster != null) {
        url = urlster.generateURL(dataset, row, column);
    }
    CategoryItemEntity entity = new CategoryItemEntity(s, tip, url,
            dataset, dataset.getRowKey(row), dataset.getColumnKey(column));
    entities.add(entity);
}
 

/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param row  the series.
 * @param column  the item.
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 *
 * @since 1.0.13
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
                         CategoryDataset dataset, int row, int column,
                         double entityX, double entityY) {
    if (!getItemCreateEntity(row, column)) {
        return;
    }
    Shape s = hotspot;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            s = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            s = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    CategoryToolTipGenerator generator = getToolTipGenerator(row, column);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, row, column);
    }
    String url = null;
    CategoryURLGenerator urlster = getItemURLGenerator(row, column);
    if (urlster != null) {
        url = urlster.generateURL(dataset, row, column);
    }
    CategoryItemEntity entity = new CategoryItemEntity(s, tip, url,
            dataset, dataset.getRowKey(row), dataset.getColumnKey(column));
    entities.add(entity);
}
 

/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param row  the series.
 * @param column  the item.
 * @param selected  is the item selected?
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 *
 * @since 1.2.0
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
        CategoryDataset dataset, int row, int column, boolean selected,
        double entityX, double entityY) {
    if (!getItemCreateEntity(row, column, selected)) {
        return;
    }
    Shape s = hotspot;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            s = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            s = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    CategoryToolTipGenerator generator = getToolTipGenerator(row, column,
            selected);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, row, column);
    }
    String url = null;
    CategoryURLGenerator urlster = getURLGenerator(row, column, selected);
    if (urlster != null) {
        url = urlster.generateURL(dataset, row, column);
    }
    CategoryItemEntity entity = new CategoryItemEntity(s, tip, url,
            dataset, dataset.getRowKey(row), dataset.getColumnKey(column));
    entities.add(entity);
}
 

/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param row  the series.
 * @param column  the item.
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 *
 * @since 1.0.13
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
                         CategoryDataset dataset, int row, int column,
                         double entityX, double entityY) {
    if (!getItemCreateEntity(row, column)) {
        return;
    }
    Shape s = hotspot;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            s = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            s = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    CategoryToolTipGenerator generator = getToolTipGenerator(row, column);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, row, column);
    }
    String url = null;
    CategoryURLGenerator urlster = getItemURLGenerator(row, column);
    if (urlster != null) {
        url = urlster.generateURL(dataset, row, column);
    }
    CategoryItemEntity entity = new CategoryItemEntity(s, tip, url,
            dataset, dataset.getRowKey(row), dataset.getColumnKey(column));
    entities.add(entity);
}
 

/**
 * Adds an entity to the collection.
 *
 * @param entities  the entity collection being populated.
 * @param hotspot  the entity area (if <code>null</code> a default will be
 *              used).
 * @param dataset  the dataset.
 * @param row  the series.
 * @param column  the item.
 * @param selected  is the item selected?
 * @param entityX  the entity's center x-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 * @param entityY  the entity's center y-coordinate in user space (only
 *                 used if <code>area</code> is <code>null</code>).
 *
 * @since 1.2.0
 */
protected void addEntity(EntityCollection entities, Shape hotspot,
        CategoryDataset dataset, int row, int column, boolean selected,
        double entityX, double entityY) {
    if (!getItemCreateEntity(row, column, selected)) {
        return;
    }
    Shape s = hotspot;
    if (hotspot == null) {
        double r = getDefaultEntityRadius();
        double w = r * 2;
        if (getPlot().getOrientation() == PlotOrientation.VERTICAL) {
            s = new Ellipse2D.Double(entityX - r, entityY - r, w, w);
        }
        else {
            s = new Ellipse2D.Double(entityY - r, entityX - r, w, w);
        }
    }
    String tip = null;
    CategoryToolTipGenerator generator = getToolTipGenerator(row, column,
            selected);
    if (generator != null) {
        tip = generator.generateToolTip(dataset, row, column);
    }
    String url = null;
    CategoryURLGenerator urlster = getURLGenerator(row, column, selected);
    if (urlster != null) {
        url = urlster.generateURL(dataset, row, column);
    }
    CategoryItemEntity entity = new CategoryItemEntity(s, tip, url,
            dataset, dataset.getRowKey(row), dataset.getColumnKey(column));
    entities.add(entity);
}
 

/**
 * Draws the visual representation of one data item from the chart (in
 * fact, this method does nothing until it reaches the last item for each
 * category, at which point it draws all the items for that category).
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the plot area.
 * @param plot  the plot.
 * @param domainAxis  the domain (category) axis.
 * @param rangeAxis  the range (value) axis.
 * @param dataset  the data.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 * @param pass  the pass index.
 */
@Override
public void drawItem(Graphics2D g2, CategoryItemRendererState state,
        Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis,
        ValueAxis rangeAxis, CategoryDataset dataset, int row, int column,
        int pass) {

    // wait till we are at the last item for the row then draw the
    // whole stack at once
    if (row < dataset.getRowCount() - 1) {
        return;
    }
    Comparable category = dataset.getColumnKey(column);

    List values = createStackedValueList(dataset,
            dataset.getColumnKey(column), state.getVisibleSeriesArray(),
            getBase(), this.renderAsPercentages);

    Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX(),
            dataArea.getY() + getYOffset(),
            dataArea.getWidth() - getXOffset(),
            dataArea.getHeight() - getYOffset());


    PlotOrientation orientation = plot.getOrientation();

    // handle rendering separately for the two plot orientations...
    if (orientation == PlotOrientation.HORIZONTAL) {
        drawStackHorizontal(values, category, g2, state, adjusted, plot,
                domainAxis, rangeAxis, dataset);
    }
    else {
        drawStackVertical(values, category, g2, state, adjusted, plot,
                domainAxis, rangeAxis, dataset);
    }

}
 

/**
 * Draw a single data item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area in which the data is drawn.
 * @param plot  the plot.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 * @param pass  the pass index.
 */
public void drawItem(Graphics2D g2, CategoryItemRendererState state,
        Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis,
        ValueAxis rangeAxis, CategoryDataset dataset, int row, int column,
        int pass) {

    // first check the number we are plotting...
    Number value = dataset.getValue(row, column);
    if (value != null) {
        // current data point...
        double x1 = domainAxis.getCategoryMiddle(
            column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
        double y1 = rangeAxis.valueToJava2D(
            value.doubleValue(), dataArea, plot.getRangeAxisEdge());
        g2.setPaint(getItemPaint(row, column));
        g2.setStroke(getItemStroke(row, column));
        Shape shape = null;
        shape = new Rectangle2D.Double(x1 - 4, y1 - 4, 8.0, 8.0);
        this.objectIcon.paintIcon(null, g2, (int) x1, (int) y1);
        if (this.lastCategory == column) {
            if (this.min > value.doubleValue()) {
                this.min = value.doubleValue();
            }
            if (this.max < value.doubleValue()) {
                this.max = value.doubleValue();
            }
            if (dataset.getRowCount() - 1 == row) {
                g2.setPaint(this.groupPaint);
                g2.setStroke(this.groupStroke);
                double minY = rangeAxis.valueToJava2D(this.min, dataArea, 
                        plot.getRangeAxisEdge());
                double maxY = rangeAxis.valueToJava2D(this.max, dataArea, 
                        plot.getRangeAxisEdge());
                g2.draw(new Line2D.Double(x1, minY, x1, maxY));
                this.minIcon.paintIcon(null, g2, (int) x1, (int) minY);
                this.maxIcon.paintIcon(null, g2, (int) x1, (int) maxY);
            }
        }
        else {  // reset the min and max
            this.lastCategory = column;
            this.min = value.doubleValue();
            this.max = value.doubleValue();
        }
        // connect to the previous point
        if (this.plotLines) {
            if (column != 0) {
                Number previousValue = dataset.getValue(row, column - 1);
                if (previousValue != null) {
                    // previous data point...
                    double previous = previousValue.doubleValue();
                    double x0 = domainAxis.getCategoryMiddle(
                        column - 1, getColumnCount(), dataArea,
                        plot.getDomainAxisEdge());
                    double y0 = rangeAxis.valueToJava2D(
                        previous, dataArea, plot.getRangeAxisEdge());
                    g2.setPaint(getItemPaint(row, column));
                    g2.setStroke(getItemStroke(row, column));
                    Line2D line = new Line2D.Double(x0, y0, x1, y1);
                    g2.draw(line);
                }
            }
        }

        // collect entity and tool tip information...
        if (state.getInfo() != null) {
            EntityCollection entities = state.getEntityCollection();
            if (entities != null && shape != null) {
                String tip = null;
                CategoryToolTipGenerator tipster 
                    = getToolTipGenerator(row, column);
                if (tipster != null) {
                    tip = tipster.generateToolTip(dataset, row, column);
                }
                CategoryItemEntity entity = new CategoryItemEntity(
                    shape, tip, null, dataset, row, 
                    dataset.getColumnKey(column), column);
                entities.add(entity);
            }
        }
    }
}