/**
* Return whether or not there are less than two pages.
*
* @return <code>true</code> if there are less than two pages.
*/
private boolean hasAtMostOnePage() {
ITreeContentProvider contentProvider = new PreferenceContentProvider();
try {
Object[] children = contentProvider.getElements(getPreferenceManager());
return children.length == 0
|| children.length == 1 && !contentProvider.hasChildren(children[0]);
} finally {
contentProvider.dispose();
}
}
@Override
public void dispose() {
if (provider != null) provider.dispose();
super.dispose();
}
public void dispose() {
myProvider.dispose();
}