public List<TocEntry> getTableOfContents() {
if (this.book == null) {
return null;
}
List<TocEntry> result = new ArrayList<BookView.TocEntry>();
flatten(book.getTableOfContents().getTocReferences(), result, 0);
return result;
}
private void flatten(List<TOCReference> refs, List<TocEntry> entries, int level) {
if (refs == null || refs.isEmpty()) {
return;
}
for (TOCReference ref : refs) {
String title = "";
for (int i = 0; i < level; i++) {
title += "-";
}
title += ref.getTitle();
if (ref.getResource() != null) {
entries.add(new TocEntry(title, spine.resolveTocHref(ref.getCompleteHref())));
}
flatten(ref.getChildren(), entries, level + 1);
}
}