buildEditor method

Implementation

@override
Widget buildEditor(BuildContext context) {
  return Column(
    crossAxisAlignment: CrossAxisAlignment.start,
    children: [
      const Text('Alignment'),
      const SizedBox(height: 8),
      ListenableBuilder(
        listenable: this,
        builder: (context, child) => AlignmentPicker(
          onChanged: (value) => this.value = value,
          value: value,
        ),
      ),
    ],
  );
}