/**
* Returns the <code>Format.Field</code> constants associated with the text at <code>offset</code>
* . If <code>offset</code> is not a valid location into the current text, this will return an
* empty array.
*
* @param offset offset into text to be examined
* @return Format.Field constants associated with the text at the given position.
*/
public Format.Field[] getFields(int offset) {
if (getAllowsInvalid()) {
// This will work if the currently edited value is valid.
updateMask();
}
Map attrs = getAttributes(offset);
if (attrs != null && attrs.size() > 0) {
ArrayList al = new ArrayList();
al.addAll(attrs.keySet());
return (Format.Field[]) al.toArray(EMPTY_FIELD_ARRAY);
}
return EMPTY_FIELD_ARRAY;
}
/** Returns true if <code>attributes</code> is null or empty. */
boolean isLiteral(Map attributes) {
return ((attributes == null) || attributes.size() == 0);
}