/** Update the location label, subclasses can override. */
protected void updateHeaderLabel() {
Data d = getDisplayListData();
if (d == null) {
super.updateHeaderLabel();
}
Text text = null;
if (d instanceof FieldImpl) {
int index = getCurrentIndex();
if (index >= 0) {
try {
text = (Text) ((FieldImpl) d).getSample(index, false);
} catch (Exception ve) {
}
}
} else {
text = (Text) d;
}
if (text != null) {
headerLabel.setText(text.toString());
} else {
super.updateHeaderLabel();
}
}
