/** For debugging purposes. */
public String toString() {
StringBuffer buf = new StringBuffer("CheatSheetCollection, "); // $NON-NLS-1$
buf.append(childCollections.size());
buf.append(" children, "); // $NON-NLS-1$
buf.append(cheatsheets.size());
buf.append(" cheatsheets"); // $NON-NLS-1$
return buf.toString();
}
/** Returns true if this element has no children and no cheatsheets. */
public boolean isEmpty() {
return childCollections.size() == 0 && cheatsheets.size() == 0;
}
