AI_Drawing/lib/dialog/invitation_code_dialog.dart

import 'dart:async';
import 'dart:ui';

import 'package:aiplot/network/NetworkConfig.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';

import '../generated/l10n.dart';
import '../tools/me/me_info_model.dart';

///填写邀请码弹框
class InvitationCodeDialog extends StatefulWidget {
  InvitationCodeDialog({Key? key}) : super(key: key);

  @override
  State<InvitationCodeDialog> createState() => _InvitationCodeDialogState();
}

class _InvitationCodeDialogState extends State<InvitationCodeDialog> {
  TextEditingController _textEditingController = TextEditingController();
  String text = "";

  void _textFieldChanged(String str) {
    text = str.toUpperCase();
    _textEditingController.value = _textEditingController.value.copyWith(text: text.toUpperCase());
  }

  StreamSubscription? subscription;
  final MeInfoModel _viewModel = MeInfoModel();

  @override
  void initState() {
    // TODO: implement initState
    super.initState();

    //网络请求回调
    subscription = _viewModel.streamController.stream.listen((newData) {
      String code = newData['code'];
      if (code.isNotEmpty) {
        EasyLoading.dismiss();
        switch (code) {
          case "fillInInvitationCode":
            Navigator.pop(context);
            String message = newData['data'];
            EasyLoading.showToast(message);
            break;
          default:
            String message = newData['data'];
            EasyLoading.showToast(message);
            break;
        }
      }
      setState(() {});
    });
  }

  @override
  Widget build(BuildContext context) {
    final size = MediaQuery.of(context).size;
    return Material(
      type: MaterialType.transparency, //透明类型
      color: const Color(0x00000000),
      child: Container(
        alignment: Alignment.center,
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            Container(
              width: size.width,
              margin: EdgeInsets.only(left: 25, right: 25),
              decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.all(Radius.circular(7))),
              child: Column(
                children: [
                  Container(
                    alignment: Alignment.centerLeft,
                    margin: EdgeInsets.only(top: 22, left: 34),
                    child: Text(
                      S.of(context).Invitation_code,
                      style: TextStyle(fontSize: 16, fontWeight: FontWeight.w500),
                    ),
                  ),
                  Container(
                    alignment: Alignment.centerLeft,
                    margin: EdgeInsets.only(top: 11, left: 34, right: 34),
                    child: Text("${S.of(context).Fill_in} ${NetworkConfig.appConfigBean!.InviteeNumber} ${S.of(context).Painting_points}"),
                  ),
                  Container(
                    height: 37,
                    alignment: Alignment.center,
                    margin: const EdgeInsets.only(top: 11, left: 34, right: 34),
                    decoration: const BoxDecoration(
                      color: Color(0xFFF0F0FF),
                      borderRadius: BorderRadius.all(Radius.circular(7)),
                    ),
                    child: TextField(
                      controller: _textEditingController,
                      keyboardType: TextInputType.name,
                      cursorColor: Color(0xFF843FFF),
                      decoration: InputDecoration.collapsed(hintStyle: const TextStyle(fontSize: 16.0, color: Color(0xFFB5B5B5)), hintText: ''),
                      //文本对齐方式
                      textAlign: TextAlign.center,
                      //最大长度，设置此项会让TextField右下角有一个输入数量的统计字符串
                      //最大行数
                      maxLines: 1,
                      //输入文本的样式
                      style: const TextStyle(fontSize: 18.0, color: Color(0xFF843FFF), fontWeight: FontWeight.w500),
                      onChanged: _textFieldChanged,
                      autofocus: false,
                    ),
                  ),
                  GestureDetector(
                    onTap: () {
                      if (text != "") {
                        _viewModel.fillInInvitationCode(text);
                      } else {
                        EasyLoading.showToast(S.of(context).Please_fill_in);
                      }
                    },
                    child: Container(
                      height: 45,
                      width: double.infinity,
                      alignment: Alignment.center,
                      margin: EdgeInsets.only(top: 30),
                      decoration: const BoxDecoration(
                          gradient: LinearGradient(
                              begin: Alignment.centerLeft, //渐变开始于上面的中间开始
                              end: Alignment.centerRight, //渐变结束于下面的中间
                              colors: [Color(0xFF843FFF), Color(0xFFF87DFF)]),
                          borderRadius: BorderRadius.only(bottomLeft: Radius.circular(7), bottomRight: Radius.circular(7))),
                      child: Text(
                        S.of(context).Sure,
                        style: TextStyle(color: Colors.white, fontSize: 16),
                      ),
                    ),
                  )
                ],
              ),
            )
          ],
        ),
      ),
    );
  }
}