problem_check_system/lib/modules/problem/problem_card.dart

import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:intl/intl.dart';
import 'package:problem_check_system/models/problem_model.dart';
import 'package:problem_check_system/modules/problem/components/custom_button.dart';
import 'package:tdesign_flutter/tdesign_flutter.dart';

// 定义枚举类型
enum ProblemCardViewType { buttons, checkbox }

class ProblemCard extends StatelessWidget {
  final Problem problem;
  final ProblemCardViewType viewType;

  const ProblemCard(
    this.problem, {
    super.key,
    this.viewType = ProblemCardViewType.buttons,
  });

  @override
  Widget build(BuildContext context) {
    return Card(
      margin: EdgeInsets.symmetric(vertical: 5.h, horizontal: 9.w),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: <Widget>[
          ListTile(
            leading: Image.asset(
              'assets/images/problem_preview.png',
              fit: BoxFit.contain,
            ),
            title: Text('问题描述', style: TextStyle(fontSize: 16.sp)),
            subtitle: LayoutBuilder(
              builder: (context, constraints) {
                return Text(
                  problem.description,
                  maxLines: 2,
                  overflow: TextOverflow.ellipsis,
                  style: TextStyle(fontSize: 14.sp),
                );
              },
            ),
          ),
          SizedBox(height: 8.h),
          Row(
            children: [
              SizedBox(width: 16.w),
              Row(
                children: [
                  Icon(Icons.location_on, color: Colors.grey, size: 16.h),
                  SizedBox(width: 8.w),
                  Text(problem.location, style: TextStyle(fontSize: 12.sp)),
                ],
              ),
              SizedBox(width: 16.w),
              Row(
                children: [
                  Icon(Icons.access_time, color: Colors.grey, size: 16.h),
                  SizedBox(width: 8.w),
                  Text(
                    DateFormat('yyyy-MM-dd HH:mm').format(problem.createdAt),
                    style: TextStyle(fontSize: 12.sp),
                  ),
                ],
              ),
            ],
          ),
          SizedBox(height: 8.h),
          Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: <Widget>[
              SizedBox(width: 16.w),
              Wrap(
                spacing: 8,
                children: [
                  problem.isUploaded
                      ? TDTag('已上传', isLight: true, theme: TDTagTheme.success)
                      : TDTag('未上传', isLight: true, theme: TDTagTheme.danger),
                  problem.boundInfo != null && problem.boundInfo!.isNotEmpty
                      ? TDTag('已绑定', isLight: true, theme: TDTagTheme.primary)
                      : TDTag('未绑定', isLight: true, theme: TDTagTheme.warning),
                ],
              ),
              const Spacer(), // 使用 Spacer 替代固定的 SizedBox
              _buildBottomActions(),
            ],
          ),
          SizedBox(height: 8.h),
        ],
      ),
    );
  }

  // 渲染底部 UI 的私有方法
  Widget _buildBottomActions() {
    switch (viewType) {
      case ProblemCardViewType.buttons:
        return Row(
          children: [
            CustomButton(
              text: '修改',
              onTap: () {
                print('点击修改按钮');
              },
            ),
            SizedBox(width: 8.w),
            CustomButton(
              text: '查看',
              onTap: () {
                print('点击查看按钮');
              },
            ),
            SizedBox(width: 16.w),
          ],
        );
      case ProblemCardViewType.checkbox:
        return Padding(
          padding: EdgeInsets.only(right: 16.w),
          child: Obx(
            () => Checkbox(
              // 将 Checkbox 的 value 绑定到 controller.isChecked.value
              value: problem.isChecked.value,
              // 当 Checkbox 状态改变时，调用 controller 中的方法来更新状态
              onChanged: (bool? value) {
                problem.isChecked.value = value ?? false;
              },
            ),
          ),
        );
    }
  }
}