private <T> boolean findListToRemoveFrom(
@NotNull String name,
@NotNull final List<T> elements,
final Convertor<T, AbstractUrl> convertor) {
Collection<TreeItem<Pair<AbstractUrl, String>>> list = getFavoritesListRootUrls(name);
if (elements.size() > 1) {
final List<T> sublist = elements.subList(0, elements.size() - 1);
for (T obj : sublist) {
AbstractUrl objUrl = convertor.convert(obj);
final TreeItem<Pair<AbstractUrl, String>> item = findNextItem(objUrl, list);
if (item == null || item.getChildren() == null) return false;
list = item.getChildren();
}
}
TreeItem<Pair<AbstractUrl, String>> found = null;
AbstractUrl url = convertor.convert(elements.get(elements.size() - 1));
if (url == null) return false;
for (TreeItem<Pair<AbstractUrl, String>> pair : list) {
if (url.equals(pair.getData().getFirst())) {
found = pair;
break;
}
}
if (found != null) {
list.remove(found);
fireListeners.rootsChanged(name);
return true;
}
return false;
}
private TreeItem<Pair<AbstractUrl, String>> findNextItem(
AbstractUrl url, Collection<TreeItem<Pair<AbstractUrl, String>>> list) {
for (TreeItem<Pair<AbstractUrl, String>> pair : list) {
if (url.equals(pair.getData().getFirst())) {
return pair;
}
}
return null;
}
