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; }