huixiang_app/lib/community/community_details.dart

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:huixiang/community/community_view/community_comment.dart';
import 'package:huixiang/community/community_view/community_dynamic.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:huixiang/retrofit/data/activity.dart';
import 'package:huixiang/retrofit/data/article.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/data/comunity_comment.dart';
import 'package:huixiang/retrofit/data/member_comment_list.dart';
import 'package:huixiang/retrofit/data/page.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/utils/font_weight.dart';
import 'package:huixiang/view_widget/comment_menu.dart';
import 'package:huixiang/view_widget/login_tips_dialog.dart';
import 'package:huixiang/view_widget/my_appbar.dart';
import 'package:huixiang/view_widget/tips_dialog.dart';
import 'package:huixiang/web/web_view/comment_list.dart';
import 'package:huixiang/web/web_view/input_comment.dart';
import 'package:shared_preferences/shared_preferences.dart';

class CommunityDetails extends StatefulWidget {
  final Map<String, dynamic> arguments;

  CommunityDetails({this.arguments});

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

class _CommunityDetails extends State<CommunityDetails>
    with WidgetsBindingObserver {
  double height = 0;
  double commentHeight = 60.h;
  ComunityComment comunity;
  String parenId = "0";
  final GlobalKey commentKey = GlobalKey();
  final ScrollController scrollController = ScrollController();

  List<MemberCommentList> memberList = [];
  ApiService apiService;
  var commentFocus = FocusNode();

  String hintText = S.current.liuxianinjingcaidepinglunba;
  bool isKeyBoardShow = false;
  int commentTotal = 0;
  Article article;

  @override
  void didChangeMetrics() {
    WidgetsBinding.instance.addPostFrameCallback((_) {
      if (!mounted) return;
      if (MediaQuery.of(context).viewInsets.bottom == 0) {
        if (isKeyBoardShow) {
          FocusScope.of(context).requestFocus(FocusNode());
          if (mounted)
            setState(() {
              hintText = S.current.liuxianinjingcaidepinglunba;
              isKeyBoardShow = false;
            });
        }
      } else {
        if (mounted)
          setState(() {
            isKeyBoardShow = true;
          });
      }
    });
  }

  @override
  void initState() {
    super.initState();
    comunity = widget.arguments["comment"];
    WidgetsBinding.instance.addObserver(this);

    _queryMemberCommentList();
    queryDetails();
  }

  ///详情接口
  queryDetails() async {
    SharedPreferences value = await SharedPreferences.getInstance();
    if (apiService == null)
      apiService = ApiService(
        Dio(),
        context: context,
        token: value.getString("token"),
      );
    BaseData<Article> baseData =
        await apiService.informationInfo(comunity.id).catchError((onError) {});
    if (baseData != null && baseData.isSuccess) {}
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: MyAppBar(
        title: "动态详情",
        titleColor: Colors.black,
        titleSize: 18.sp,
        background: Colors.white,
        leading: true,
        leadingColor: Colors.black,
      ),
      body: Container(
        child: Column(
          children: [
            Expanded(
              child: SingleChildScrollView(
                physics: BouncingScrollPhysics(),
                child: Column(
                  children: [
                    CommunityDynamic(
                      comunity,
                      0,
                      exitFull: () {
                        setState(() {});
                      },
                      itemCount: 3,
                      isDetails: true,
                      heightFun: (height) {
                        this.height = height +
                            MediaQuery.of(context).padding.top +
                            kToolbarHeight +
                            24;
                        if (mounted) setState(() {});
                      },
                    ),
                    // CommentList(
                    //   commentKey,
                    //   widget.arguments,
                    //   activity,
                    //   article,
                    //   isKeyBoardShow,
                    //   _reply,
                    //   _delCommentTips,
                    //   12.sp,
                    // )
                    Container(
                      padding: EdgeInsets.all(16),
                      color: Colors.white,
                      child: Row(
                        children: [
                          Text(
                            S.of(context).pinglun_(commentTotal.toString()),
                            style: TextStyle(
                              fontSize: 14,
                              fontWeight: FontWeight.bold,
                              color: Color(0xff1A1A1A),
                            ),
                          ),
                          SizedBox(
                            width: 16.w,
                          ),
                          Text(
                            S.of(context).xihuan_(
                                "${comunity?.likes ?? comunity?.likes ?? "0"}"),
                            style: TextStyle(
                              fontSize: 14,
                              fontWeight: FontWeight.bold,
                              color: Color(0xff1A1A1A),
                            ),
                          ),
                        ],
                      ),
                    ),
                    if (memberList != null && memberList.length > 0)
                      ListView.builder(
                        shrinkWrap: true,
                        physics: NeverScrollableScrollPhysics(),
                        itemCount: memberList != null ? memberList.length : 0,
                        scrollDirection: Axis.vertical,
                        itemBuilder: (context, position) {
                          return Material(
                            color: Colors.white,
                            child: InkWell(
                              onTap: () {
                                showPressMenu(
                                  memberList[position].createUser,
                                  memberList[position],
                                );
                              },
                              child: CommunityComment(
                                memberList[position],
                                _queryCommentLike,
                                (memberList.length - 1 == position) ? 1 : 0,
                              ),
                            ),
                          );
                        },
                      ),
                    if (memberList == null || memberList.length == 0)
                      Container(
                        width: double.infinity,
                        alignment: Alignment.topCenter,
                        margin: EdgeInsets.only(top: 40),
                        padding: EdgeInsets.all(22.h),
                        child: Text(
                          S.of(context).zanwupinglun,
                          style: TextStyle(
                            fontSize: 12,
                            fontWeight: FontWeight.bold,
                            color: Color(0xFFA0A0A0),
                          ),
                        ),
                      ),
                  ],
                ),
              ),
              flex: 1,
            ),

            /// 富文本评论的输入框
            InputComment(
              inputKey,
              hintText,
              isKeyBoardShow,
              commentFocus,
              commentTextController,
              _toComment,
              _queryMemberComment,
              _queryInformationLikes,
              isLike: comunity.selfLike,
            ),
          ],
        ),
      ),
    );
  }

  ///给文章/活动点赞
  _queryInformationLikes() async {
    BaseData baseData = await apiService.informationLikes(comunity.id);
    if (baseData != null && baseData.isSuccess) {
      // commentKey.currentState.setState(() {});
      setState(() {
        if (comunity.selfLike ?? false)
          comunity.likes -= 1;
        else
          comunity.likes += 1;
        comunity.selfLike = !comunity.selfLike ?? false;
      });
    } else {
      SmartDialog.showToast(baseData.msg, alignment: Alignment.center);
    }
  }

  ///发布评论
  _queryMemberComment(String content) async {
    BaseData baseData = await apiService.memberComment({
      "content": content,
      "parentId": parenId,
      "relationalId": comunity.id,
      "relationalType": 1
    }).catchError((error) {});
    if (baseData != null && baseData.isSuccess) {
      // commentKey.currentState.initState();
      commentTextController.text = "";
      FocusScope.of(context).unfocus();
      _queryMemberCommentList();
    }
  }

  ///滑动到评论列表
  _toComment() {
    if (commentKey.currentContext == null) return;
    RenderBox firstRenderBox = commentKey.currentContext.findRenderObject();
    Offset first = firstRenderBox.localToGlobal(Offset.zero);
    scrollController.animateTo(
      first.dy +
          scrollController.offset -
          (kToolbarHeight + MediaQuery.of(context).padding.top),
      duration: Duration(milliseconds: 300),
      curve: Curves.easeIn,
    );
  }

  final GlobalKey inputKey = GlobalKey();
  final TextEditingController commentTextController = TextEditingController();

  contentHeight() {
    double contentHeight = MediaQuery.of(context).size.height -
        kToolbarHeight -
        MediaQuery.of(context).padding.top -
        160.h;
    if ((contentHeight - 60.h) > (128.h * memberList.length)) {
      commentHeight = contentHeight - (128.h * memberList.length);
    }
  }

  showPressMenu(String userId, memberComment) {
    if (isKeyBoardShow) {
      FocusScope.of(context).requestFocus(FocusNode());
      return;
    }
    SharedPreferences.getInstance().then((value) {
      SmartDialog.show(
        widget: CommentMenu(
          (type) {
            SmartDialog.dismiss();
            if (type == "huifu") {
              _reply(memberComment);
            } else if (type == "shanchu") {
              _delCommentTips();
            }
          },
          isSelf: userId == value.getString("userId"),
        ),
        alignmentTemp: Alignment.bottomCenter,
        isUseAnimationTemp: true,
        animationDurationTemp: Duration(milliseconds: 300),
      );
    });
  }

  ///删除评论的提示
  _delCommentTips() {
    SmartDialog.show(widget: Tips(() {
      delComment();
    }));
  }

  ///删除评论
  delComment() async {
    BaseData baseData = await apiService.delComment("");
    if (baseData != null && baseData.isSuccess) {
      // commentKey.currentState.initState();
    }
  }

  ///评论 回复
  _reply(memberComment) {
    FocusScope.of(context).requestFocus(commentFocus);
    parenId = memberComment.id;
    hintText = S.of(context).huifu_("${memberComment.username}");
  }

  ///评论点赞
  _queryCommentLike(String id) async {
    SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
    String token = sharedPreferences.getString("token");
    if (token == null || token == "") {
      LoginTipsDialog().show(context);
      return;
    }
    BaseData baseData = await apiService.commentLike(id).catchError((error) {});
    if (baseData != null && baseData.isSuccess) {
      memberList.forEach((element) {
        if (element.id == id) {
          if (element.liked) {
            element.likes -= 1;
            element.liked = false;
          } else {
            element.likes += 1;
            element.liked = true;
          }
        }
      });
    }
  }

  ///评论列表
  _queryMemberCommentList() async {
    SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
    if (apiService == null)
      apiService = ApiService(
        Dio(),
        context: context,
        token: sharedPreferences.getString("token"),
        showLoading: false,
      );
    BaseData<PageInfo<MemberCommentList>> baseData =
        await apiService.memberCommentList({
      "pageNum": 1,
      "pageSize": 100,
      "relationalId": comunity.id,
      "relationalType": 1,
    }).catchError((error) {});
    if (baseData != null && baseData.isSuccess) {
      commentTotal = baseData.data.size;
      memberList = baseData.data.list;
      contentHeight();
      if (mounted) setState(() {});
    }
  }
}