parent property
PaneItemExpander?
parent
The parent of this item, if any
Implementation
PaneItemExpander? get parent {
final items = pane.effectiveItems;
final expandableItems = items.whereType<PaneItemExpander>();
if (expandableItems.isEmpty) return null;
for (final expandable in expandableItems) {
if (expandable.items.contains(item)) return expandable;
}
return null;
}