initRadioState method

void initRadioState()

Implementation

void initRadioState() {

  // Cache the group name when it's first set
  if (_radioElement.name.isNotEmpty && _cachedGroupName == null) {
    _cachedGroupName = _radioElement.name;
  }

  _subscription = streamController.stream.listen((message) {
    setState(() {
      for (var entry in message.entries) {
        String groupName = _cachedGroupName ?? _radioElement.name;
        if (entry.key == groupName) {
          _updateGroupValues(entry.key, entry.value);
          _currentGroupValue = entry.value; // Update instance cache
        }
      }
    });
  });

  // Check if this radio is initially checked or has early checked state.
  // Use element identity as key to avoid collisions between different groups with the same value.
  String radioKey = _radioElement.hashCode.toString();
  final bool? early = RadioElementState.getEarlyCheckedState(radioKey);
  final bool isInitiallyChecked = _radioElement.hasAttribute('checked');


  if (early != null && early != true) {
    RadioElementState.clearEarlyCheckedState(radioKey);
  }

  if (early == true || isInitiallyChecked) {
    String groupName = _cachedGroupName ?? _radioElement.selectionGroupName;
    String selectionValue = _radioElement.selectionValue;
    _updateGroupValues(groupName, selectionValue);
    _currentGroupValue = selectionValue; // Cache at instance level
    setState(() {});
    if (early != null) RadioElementState.clearEarlyCheckedState(radioKey);
  } else {
    String groupName = _cachedGroupName ?? _radioElement.selectionGroupName;
    if (_groupValues.containsKey(groupName)) {
      setState(() {});
    }
  }
}