huixiang_app/lib/store/store_view/people_num.dart

import 'package:flutter/material.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:huixiang/utils/font_weight.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:huixiang/view_widget/round_button.dart';

class PeopleNumView extends StatefulWidget {
  final String tableName;

  // final Function(int peopleNum) callback;

  PeopleNumView(this.tableName);

  @override
  State<StatefulWidget> createState() {
    return _PeopleNumView();
  }
}

class _PeopleNumView extends State<PeopleNumView> {
  int peopleNum = 1;

  @override
  Widget build(BuildContext context) {
    return SimpleDialog(
      titlePadding: EdgeInsets.all(10),
      backgroundColor: Colors.transparent,
      elevation: 0,
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(6),
      ),
      children: [
        Stack(
          alignment: Alignment.bottomCenter,
          children: [
            Container(
              width: 295,
              height: 247,
              decoration: BoxDecoration(
                color: Colors.white,
                borderRadius: BorderRadius.circular(8),
              ),
              padding: EdgeInsets.symmetric(vertical: 20, horizontal: 20),
              child: Column(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  Text(
                    "桌位:${widget.tableName}",
                    style: TextStyle(
                      fontSize: 16.sp,
                      fontWeight: MyFontWeight.regular,
                      color: Color(0xFF171717),
                    ),
                  ),
                  Text(
                    "请选择用餐人数:$peopleNum人",
                    style: TextStyle(
                      fontSize: 16.sp,
                      fontWeight: MyFontWeight.regular,
                      color: Color(0xFF171717),
                    ),
                  ),
                  SizedBox(
                    height: 10,
                  ),
                  Container(
                    child: GridView.builder(
                      gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                        crossAxisCount: 5,
                        crossAxisSpacing: 24,
                        mainAxisSpacing: 18,
                        childAspectRatio: 1,
                      ),
                      shrinkWrap: true,
                      itemCount: 10,
                      padding: EdgeInsets.zero,
                      physics: NeverScrollableScrollPhysics(),
                      itemBuilder: (context, position) {
                        return InkWell(
                          onTap: () {
                            setState(() {
                              peopleNum = position + 1;
                            });
                          },
                          child: Container(
                            decoration: BoxDecoration(
                              color: peopleNum == (position + 1)
                                  ? Color(0xFF32A060)
                                  : Colors.transparent,
                              border: Border.all(
                                color: Color(0xFF32A060),
                                width: 1,
                              ),
                              borderRadius: BorderRadius.circular(3),
                            ),
                            alignment: Alignment.center,
                            child: Text(
                              "${position + 1}",
                              style: TextStyle(
                                color: peopleNum == (position + 1)
                                    ? Colors.white
                                    : Color(0xFF32A060),
                                fontWeight: MyFontWeight.regular,
                                fontSize: 16.sp,
                              ),
                            ),
                          ),
                        );
                      },
                    ),
                  ),
                  SizedBox(
                    height: 10,
                  ),
                  RoundButton(
                    text: "确定",
                    width: 130.w,
                    height: 34.h,
                    textColor: Colors.white,
                    fontSize: 16.sp,
                    fontWeight: MyFontWeight.semi_bold,
                    backgroup: Color(0xFF32A060),
                    radius: 4.w,
                    callback: () {
                      // widget.callback(peopleNum);
                      // SmartDialog.dismiss();
                      Navigator.of(context).pop(peopleNum);
                    },
                  ),
                ],
              ),
            ),
          ],
        ),
      ],
    );
  }
}