@Override
public Object findElement(String s) {
List<ObjectWithWeight> elements = new ArrayList<ObjectWithWeight>();
s = s.trim();
final ListIterator<Object> it = getElementIterator(0);
while (it.hasNext()) {
final ObjectWithWeight o = new ObjectWithWeight(it.next(), s, getComparator());
if (!o.weights.isEmpty()) {
elements.add(o);
}
}
ObjectWithWeight cur = null;
ArrayList<ObjectWithWeight> current = new ArrayList<ObjectWithWeight>();
for (ObjectWithWeight element : elements) {
if (cur == null) {
cur = element;
current.add(cur);
continue;
}
final int i = element.compareWith(cur);
if (i == 0) {
current.add(element);
} else if (i < 0) {
cur = element;
current.clear();
current.add(cur);
}
}
return current.isEmpty() ? null : findClosestTo(myInitialPsiElement, current);
}
@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;
}
