expandItemKey method

void expandItemKey(
  1. K key, {
  2. Map<String, dynamic>? additional,
})

Implementation

void expandItemKey(K key, {Map<String, dynamic>? additional}) {
  if (expansionMode == TExpansionMode.none) return;

  final newExpandedKeys = expansionMode == TExpansionMode.single ? copyKeySet([key]) : copyKeySet(expandedKeys)
    ..add(key);

  updateExpansionState(newExpandedKeys, additional: additional);
}