/**
* Generates an attributed label for the specified series, or <code>null</code> if no attributed
* label is available (in which case, the string returned by {@link
* #generateSectionLabel(PieDataset, Comparable)} will provide the fallback). Only certain
* attributes are recognised by the code that ultimately displays the labels:
*
* <ul>
* <li>{@link TextAttribute#FONT}: will set the font;
* <li>{@link TextAttribute#POSTURE}: a value of {@link TextAttribute#POSTURE_OBLIQUE} will add
* {@link Font#ITALIC} to the current font;
* <li>{@link TextAttribute#WEIGHT}: a value of {@link TextAttribute#WEIGHT_BOLD} will add
* {@link Font#BOLD} to the current font;
* <li>{@link TextAttribute#FOREGROUND}: this will set the {@link Paint} for the current
* <li>{@link TextAttribute#SUPERSCRIPT}: the values {@link TextAttribute#SUPERSCRIPT_SUB} and
* {@link TextAttribute#SUPERSCRIPT_SUPER} are recognised.
* </ul>
*
* @param dataset the dataset (<code>null</code> not permitted).
* @param key the key.
* @return An attributed label (possibly <code>null</code>).
*/
public AttributedString generateAttributedSectionLabel(PieDataset dataset, Comparable key) {
return getAttributedLabel(dataset.getIndex(key));
}
