@Nullable
private Object findClosestTo(PsiElement path, ArrayList<ObjectWithWeight> paths) {
if (path == null || myInitialPsiElement == null) {
return paths.get(0).node;
}
final Set<PsiElement> parents = getAllParents(myInitialPsiElement);
ArrayList<ObjectWithWeight> cur = new ArrayList<ObjectWithWeight>();
int max = -1;
for (ObjectWithWeight p : paths) {
final Object last = ((TreePath) p.node).getLastPathComponent();
final List<PsiElement> elements = new ArrayList<PsiElement>();
final Object object = ((DefaultMutableTreeNode) last).getUserObject();
if (object instanceof FilteringTreeStructure.FilteringNode) {
FilteringTreeStructure.FilteringNode node = (FilteringTreeStructure.FilteringNode) object;
FilteringTreeStructure.FilteringNode candidate = node;
while (node != null) {
elements.add(getPsi(node));
node = node.getParentNode();
}
final int size = ContainerUtil.intersection(parents, elements).size();
if (size == elements.size() - 1
&& size == parents.size() - (myInitialNodeIsLeaf ? 1 : 0)
&& candidate.children().isEmpty()) {
return p.node;
}
if (size > max) {
max = size;
cur.clear();
cur.add(p);
} else if (size == max) {
cur.add(p);
}
}
}
Collections.sort(
cur,
new Comparator<ObjectWithWeight>() {
@Override
public int compare(ObjectWithWeight o1, ObjectWithWeight o2) {
final int i = o1.compareWith(o2);
return i != 0
? i
: ((TreePath) o2.node).getPathCount() - ((TreePath) o1.node).getPathCount();
}
});
return cur.isEmpty() ? null : cur.get(0).node;
}
