selectedItemsText property

Implementation

String get selectedItemsText {
  if (_selectedItems.isEmpty) return widget.hintText ?? 'Select items';
  if (_selectedItems.length == 1) {
    return _selectedItems.first[widget.nameKey] is Map
        ? _selectedItems.first[widget.nameKey][widget.nameMapKey]
        : _selectedItems.first[widget.nameKey];
  }
  return '${_selectedItems.length} items selected';
}