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;
}
public void removeRootByIndexes(String name, List<Integer> elementsIndexes) {
List<TreeItem<Pair<AbstractUrl, String>>> list = getFavoritesListRootUrls(name);
assert list != null;
for (Integer index : elementsIndexes.subList(0, elementsIndexes.size() - 1)) {
assert index >= 0 && index < list.size();
final TreeItem<Pair<AbstractUrl, String>> item = list.get(index);
list = item.getChildren();
}
assert list != null && !list.isEmpty();
list.remove(elementsIndexes.get(elementsIndexes.size() - 1).intValue());
fireListeners.rootsChanged(name);
}
public synchronized boolean removeRoot(
@NotNull String name, @NotNull List<AbstractTreeNode> elements) {
final Convertor<AbstractTreeNode, AbstractUrl> convertor =
new Convertor<AbstractTreeNode, AbstractUrl>() {
@Override
public AbstractUrl convert(AbstractTreeNode obj) {
return createUrlByElement(obj.getValue(), myProject);
}
};
boolean result = true;
for (AbstractTreeNode element : elements) {
final List<AbstractTreeNode> path =
TaskDefaultFavoriteListProvider.getPathToUsualNode(element);
result &= findListToRemoveFrom(name, path.subList(1, path.size()), convertor);
}
return result;
}
public synchronized boolean editRoot(
@NotNull String name,
@NotNull List<Integer> elementsIndexes,
final AbstractTreeNode newElement) {
List<TreeItem<Pair<AbstractUrl, String>>> list = getFavoritesListRootUrls(name);
assert list != null;
for (Integer index : elementsIndexes.subList(0, elementsIndexes.size() - 1)) {
assert index >= 0 && index < list.size();
final TreeItem<Pair<AbstractUrl, String>> item = list.get(index);
list = item.getChildren();
}
assert list != null && !list.isEmpty();
final Object value = newElement.getValue();
final AbstractUrl urlByElement = createUrlByElement(value, myProject);
if (urlByElement == null) return false;
list.set(
elementsIndexes.get(elementsIndexes.size() - 1).intValue(),
new TreeItem<Pair<AbstractUrl, String>>(
Pair.create(urlByElement, newElement.getClass().getName())));
return true;
}