h-1.flutter.4/lib/widgets/master_edit_fields.dart

// Version: 1.0 - 汎用マスタ編集フィールド（Flutter 標準）
import 'package:flutter/material.dart';

/// マスタ編集用の統一 TextField
class MasterTextField extends StatelessWidget {
  final String label;
  final TextEditingController controller;
  final String? hint;
  final TextInputType keyboardType;
  final bool obscureText;
  final int maxLines;
  final TextInputAction textInputAction;
  final FormFieldValidator<String>? validator;
  final void Function(String)? onChanged;

  const MasterTextField({
    super.key,
    required this.label,
    required this.controller,
    this.hint,
    this.keyboardType = TextInputType.text,
    this.obscureText = false,
    this.maxLines = 1,
    this.textInputAction = TextInputAction.next,
    this.validator,
    this.onChanged,
  });

  @override
  Widget build(BuildContext context) {
    return TextFormField(
      controller: controller,
      decoration: InputDecoration(
        labelText: label,
        hintText: hint,
        border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
      ),
      keyboardType: keyboardType,
      obscureText: obscureText,
      maxLines: maxLines,
      textInputAction: textInputAction,
      validator: (value) => onChanged == null ? validator?.call(value) : 'Custom validation',
      onChanged: onChanged,
    );
  }
}

/// マスタ編集用の数値入力 TextField
class MasterNumberField extends StatelessWidget {
  final String label;
  final TextEditingController controller;
  final String? hint;
  final FormFieldValidator<String>? validator;
  final void Function(String)? onChanged;

  const MasterNumberField({
    super.key,
    required this.label,
    required this.controller,
    this.hint,
    this.validator,
    this.onChanged,
  });

  @override
  Widget build(BuildContext context) {
    return TextFormField(
      controller: controller,
      decoration: InputDecoration(
        labelText: label,
        hintText: hint,
        border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
      ),
      keyboardType: TextInputType.number,
      validator: (value) => onChanged == null ? validator?.call(value) : 'Custom validation',
      onChanged: onChanged,
    );
  }
}

/// マスタ編集用の Checkbox
class MasterCheckboxField extends StatelessWidget {
  final String label;
  final bool value;
  final ValueChanged<bool?>? onChangedCallback;

  const MasterCheckboxField({
    super.key,
    required this.label,
    required this.value,
    this.onChangedCallback,
  });

  @override
  Widget build(BuildContext context) {
    return Checkbox(
      value: value,
      onChanged: onChangedCallback,
    );
  }
}

/// マスタ編集用の Switch
class MasterSwitchField extends StatelessWidget {
  final String label;
  final bool value;
  final ValueChanged<bool>? onChangedCallback;

  const MasterSwitchField({
    super.key,
    required this.label,
    required this.value,
    this.onChangedCallback,
  });

  @override
  Widget build(BuildContext context) {
    return Switch(
      value: value,
      onChanged: onChangedCallback,
    );
  }
}