private void expand(TOCItem item) {
if (item == null) return;
item.setExpanded(true);
// expand all parents
for (TOCItem p = item.getParent(); p != null; p = p.getParent()) p.setExpanded(true);
initItems();
refreshList();
if (mItems.size() > 0) {
if (item.getGlobalIndex() >= 0) {
mListView.setSelection(item.getGlobalIndex());
mListView.setSelectionFromTop(item.getGlobalIndex(), mListView.getHeight() / 2);
} else mListView.setSelection(0);
}
}
private void initItems(TOCItem toc, boolean expanded) {
for (int i = 0; i < toc.getChildCount(); i++) {
TOCItem child = toc.getChild(i);
if (child.getPage() <= mCurrentPage) mCurrentPageItem = child;
if (expanded) {
child.setGlobalIndex(mItems.size());
mItems.add(child);
} else {
child.setGlobalIndex(-1); // invisible
}
initItems(child, expanded && child.getExpanded());
}
}
private void collapse(TOCItem item) {
item.setExpanded(false);
initItems();
refreshList();
}
