YYHome/packages/cs_widgets/lib/shatter/custom_radio_check.dart

import 'package:cs_resources/constants/color_constants.dart';
import 'package:cs_resources/generated/assets.dart';
import 'package:flutter/material.dart';
import 'package:widgets/my_load_image.dart';
import 'package:widgets/my_text_view.dart';
import '../ext/ex_widget.dart';

/*
 * 条件单选 Radio
 */
class CustomRadioCheck extends StatefulWidget {
  final List<String> options;
  int? selectedPosition;
  final Function(int index, String text) onOptionSelected;
  final bool enable;
  final Color textColor;

  CustomRadioCheck({
    required this.options,
    required this.onOptionSelected,
    this.selectedPosition = 0,
    this.enable = true, // 默认可用
    this.textColor = Colors.white, // 默认可用
  });

  @override
  _CustomRadioCheckState createState() => _CustomRadioCheckState();
}

class _CustomRadioCheckState extends State<CustomRadioCheck> {
  String? _selectedOption;

  @override
  void initState() {
    super.initState();
    _initializeSelectedOption();
  }

  void _initializeSelectedOption() {
    if (widget.selectedPosition != null && widget.selectedPosition! >= 0 && widget.selectedPosition! < widget.options.length) {
      _selectedOption = widget.options[widget.selectedPosition!];
    } else {
      _selectedOption = widget.options.isNotEmpty ? widget.options[0] : null;
    }
  }

  @override
  void didUpdateWidget(CustomRadioCheck oldWidget) {
    super.didUpdateWidget(oldWidget);
    // 如果 selectedPosition 发生变化，重新初始化选中项
    if (oldWidget.selectedPosition != widget.selectedPosition) {
      _initializeSelectedOption();
    }
  }

  @override
  Widget build(BuildContext context) {
    return Wrap(
      spacing: 8.0,
      runSpacing: 8.0,
      children: widget.options.map((option) {
        return _buildRadioWithIconAndText(
          path: option == _selectedOption ? Assets.baseServiceRadioChecked : Assets.baseServiceRadioUncheck,
          text: option,
          value: option == _selectedOption,
          onChanged: widget.enable
              ? (value) {
                  // 只在可用状态下响应点击
                  setState(() {
                    _selectedOption = option;
                    int selectedIndex = widget.options.indexOf(option);
                    widget.onOptionSelected(selectedIndex, option);
                  });
                }
              : null, // 如果不可用则不设置回调
        );
      }).toList(),
    );
  }

  Widget _buildRadioWithIconAndText({
    required String path,
    required String text,
    required bool value,
    required Function(bool)? onChanged, // 允许 onChanged 为 null
  }) {
    return Row(
      mainAxisSize: MainAxisSize.min,
      children: <Widget>[
        MyAssetImage(path, width: 22, height: 22),
        const SizedBox(width: 10),
        MyTextView(
          text,
          textColor: widget.enable ? widget.textColor : ColorConstants.gray, // 根据 enable 改变文本颜色
          fontSize: 14,
          isFontRegular: true,
        ),
      ],
    ).marginOnly(right: 20, bottom: 5).onTap(() {
      if (onChanged != null) {
        // 只有在可用状态下才触发
        onChanged(true);
      }
    });
  }
}