generateForAnnotatedField method

@override String generateForAnnotatedField(FieldElement element, ConstantReader annotation, BuildStep buildstep)

Implementation

@override
String generateForAnnotatedField(FieldElement element, ConstantReader annotation, BuildStep buildstep) {
  final buffer = StringBuffer();
  final properties = Helpers.getClassProperties(FieldRangeSlider);
  print('PROPERTIES: ${properties.toString()}');
  final map = Helpers.annotationToJson<FieldRangeSlider>(element, properties);
  print('MAP: ${map.toString()}');
  buffer.write('''
    Widget ${element.name}FormField(BuildContext context, Map<String, dynamic> _formData, {required Function onSaved, required double width}) {
      late RangeLabels rangeLabels;
      const configuredLabels = '${map['labels'] ?? ','}';
      // formatter for labels
      String __semanticFormatter(RangeValues value) {
        Future.delayed(Duration.zero, () => onSaved('${element.name}', '\${value.start.toString()},\${value.end.toString()}', parent: '${map['parent'] ?? ''}'));
        ${map['semanticFormatterStart'] == null ? '' : '''
        String callback(double value) ${map['semanticFormatterStart']}
          callback(value);
        '''}
        rangeLabels = RangeLabels(configuredLabels.split(',').first +  value.start.round().toString(),
        configuredLabels.split(',').last + value.end.round().toString());
        return '\${value.start.round().toString()} - \${value.end.round().toString()}';
      }

       double? start =_formData['${element.name}'] == null ? null :
       double.tryParse(_formData['${element.name}']?.split(',').first ?? \"${map['start']?.toString() ?? '0.0'}\");
       double? end =  _formData['${element.name}'] == null ? null : double.tryParse(_formData['${element.name}']?.split(',').last ?? \"${map['end']?.toString() ?? '0.0'}\");
      const double? min =${map['min'] ?? 0.0};
      const double? max =${map['max'] ?? 100.0};
      if((start ?? 0.0) < min) start = min;
      if((end ?? 0.0) > max) end = max;
      RangeValues _currentRangeValues = RangeValues(start ?? min,end ?? max);
      __semanticFormatter(_currentRangeValues);

      _formData['${element.name}'] = _formData['${element.name}'] ?? '\${_currentRangeValues.start.round().toString()},\${_currentRangeValues.end.round().toString()}';
      ${rangeSliderField(element.name, element.type.toString(), map)};
    }
  ''');
  return buffer.toString();
}