huixiang_app/lib/view_widget/item_title.dart

import 'dart:ui';

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

class ItemTitle extends StatelessWidget {
  final String text;
  final String imgPath;
  final int moreType;

  final String moreText;
  final List<DropdownMenuItem<String>> items;

  ItemTitle(
      {this.text,
      this.imgPath,
      this.moreText = "",
      this.moreType = 0,
      this.items,
      this.onChanged,
      this.onTap});

  @override
  Widget build(BuildContext context) {
    return Container(
      margin: EdgeInsets.only(left: 16.w, right: 17.w,),
      alignment: Alignment.center,
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          Row(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.center,
            mainAxisSize: MainAxisSize.min,
            children: [
              Text(
                text,
                textAlign: TextAlign.center,
                style: TextStyle(
                  color: Colors.black,
                  fontSize: 16.sp,
                  fontWeight: FontWeight.bold,
                ),
              ),
              SizedBox(
                width: 8.w,
              ),
              Image.asset(
                imgPath,
                width: 24.w,
                height: 24.h,
              ),
            ],
          ),
          if (moreText != "") buildMore()
        ],
      ),
    );
  }

  final GestureTapCallback onTap;
  final Function(String) onChanged;

  Widget buildMore() {
    return moreType == 0
        ? GestureDetector(
            onTap: onTap,
            child: Container(
              padding:
                  EdgeInsets.only(left: 8.w, right: 8.w, top: 2.h, bottom: 2.h),
              decoration: BoxDecoration(
                  color: Colors.white,
                  boxShadow: [
                    BoxShadow(
                        color: Colors.black.withAlpha(25),
                        offset: Offset(0, 1),
                        blurRadius: 12,
                        spreadRadius: 0)
                  ],
                  borderRadius: BorderRadius.all(Radius.circular(2))),
              child: Row(
                children: [
                  Text(
                    moreText,
                    style: TextStyle(
                      fontSize: 12.sp,
                      fontWeight: FontWeight.w400
                    ),
                  ),
                  Icon(
                    moreType == 0
                        ? Icons.keyboard_arrow_right
                        : (Icons.keyboard_arrow_down),
                    size: 16,
                  )
                ],
              ),
            ),
          )
        : Container(
            padding: EdgeInsets.only(left: 10.w, right: 10.w),
            child: DropdownButton(
              items: items,
              value: moreText,
              onChanged: onChanged,
            ),
          );
  }
}