Fix tree filtering with new approach

This commit is contained in:
Alexander Montag 2024-10-01 00:05:21 +02:00
parent e6e1addbcb
commit 74cf9855a7
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GPG Key ID: 07FE50B35A2B7524
1 changed files with 27 additions and 15 deletions

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@ -56,29 +56,41 @@ void TreeSearch::_clean_callable_cache() {
}
void TreeSearch::_filter_tree(const String &p_search_mask) {
if (matching_entries.size() == 0) {
if (matching_entries.is_empty()) {
return;
}
Vector<bool> item_visibilities;
item_visibilities.resize(ordered_tree_items.size());
// Make all entries visible that have any matching descendents. O(n)
for (int i = 0; i < ordered_tree_items.size(); i++) {
TreeItem *cur_item = ordered_tree_items[i];
if (number_matches.has(cur_item)) {
continue;
TreeItem *entry = ordered_tree_items[i];
if (number_matches.has(entry) && number_matches[entry] > 0) {
item_visibilities.set(i, true);
}
}
TreeItem *first_counting_ancestor = cur_item;
bool parents_visible = true;
while (first_counting_ancestor && !number_matches.has(first_counting_ancestor)) {
// Performance: we only need to check the first visible ancestor. This is already optimal because of the ordering in ordered_tree_items.
if (!first_counting_ancestor->is_visible()){
parents_visible = false;
break;
// Make all descendents of matching entries visible. O(n) * log(|matching_entries|)
for (int i = 0; i < ordered_tree_items.size(); i++) {
TreeItem *entry = ordered_tree_items[i];
TreeItem *next_entry = entry->get_next();
if (!next_entry && i < ordered_tree_items.size() - 1) {
next_entry = ordered_tree_items[i + 1];
}
first_counting_ancestor = first_counting_ancestor->get_parent();
if (_vector_has_bsearch(matching_entries, entry)) {
int j = i;
for (; j < ordered_tree_items.size() && ordered_tree_items[j] != next_entry; j++) {
item_visibilities.set(j, true);
}
if (!parents_visible || !first_counting_ancestor || !_vector_has_bsearch(matching_entries, first_counting_ancestor)) {
cur_item->set_visible(false);
i = j - 1; // every entry is only processed once.
}
}
// apply visibility. O(n)
for (int i = 0; i < ordered_tree_items.size(); i++) {
if (!item_visibilities[i]) {
ordered_tree_items[i]->set_visible(false);
}
}
}