huixiang_app/lib/community/community_view/community_dynamic.dart

import 'package:chewie/chewie.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/data/comunity_comment.dart';
import 'package:chewie/src/chewie_progress_colors.dart' as chewie;
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/utils/font_weight.dart';
import 'package:huixiang/view_widget/border_text.dart';
import 'package:huixiang/view_widget/custom_image.dart';
import 'package:huixiang/view_widget/icon_text.dart';
import 'package:huixiang/view_widget/round_button.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:video_player/video_player.dart';

class CommunityDynamic extends StatefulWidget {
  final int itemCount;
  final Function(double height) heightFun;
  final bool isDetails;
  final int commentType;
  final Function removalDynamic;
  final Function exitFull;

  final ComunityComment comment;

  CommunityDynamic(
    this.comment,
    this.commentType, {
    Key key,
    this.itemCount = 9,
    this.heightFun,
    this.isDetails = false,
        this.removalDynamic,
        this.exitFull
  }) : super(key: key);

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

class _CommunityDynamic extends State<CommunityDynamic> {
  GlobalKey globalKey = GlobalKey();
  double height = 0;
  ApiService apiService;

  @override
  void initState() {
    super.initState();
    SharedPreferences.getInstance().then((value) => {
          apiService = ApiService(Dio(),
              context: context, token: value.getString('token')),
        });
  }

  ///关注/取关会员
  _vipFollow(followId) async {
    BaseData baseData = await apiService.follow(followId);
    if (baseData != null && baseData.isSuccess) {
      SmartDialog.showToast("关注成功", alignment: Alignment.center);
    } else {
      SmartDialog.showToast(baseData.msg, alignment: Alignment.center);
    }
  }

  ///删除动态
  _deleteDynamic(id) async {
    BaseData baseData = await apiService.deleteTrend(id);
    if (baseData != null && baseData.isSuccess) {
      SmartDialog.showToast("删除成功", alignment: Alignment.center);

    } else {
      SmartDialog.showToast(baseData.msg, alignment: Alignment.center);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        Container(
          margin: EdgeInsets.only(top: 2),
          key: globalKey,
          alignment: Alignment.topCenter,
          padding: EdgeInsets.all(16),
          decoration: BoxDecoration(
            color: Colors.white,
            boxShadow: [
              BoxShadow(
                color: Color(0x08000000),
                offset: Offset(0, 1),
                blurRadius: 8,
                spreadRadius: 0,
              ),
            ],
          ),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.start,
            mainAxisSize: MainAxisSize.min,
            children: [
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  Container(
                    height: 44,
                    child: Row(
                      children: [
                        MImage(
                          widget?.comment?.memberInfo?.avatar??"",
                          width: 44,
                          height: 44,
                          isCircle: true,
                          fit: BoxFit.cover,
                          errorSrc: "assets/image/default_1.png",
                          fadeSrc: "assets/image/default_1.png",
                        ),
                        SizedBox(
                          width: 8,
                        ),
                        Column(
                          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            Text(
                              widget?.comment?.memberInfo?.nickname??"",
                              style: TextStyle(
                                fontSize: 14.sp,
                                fontWeight: MyFontWeight.medium,
                                color: Color(0xFF1A1A1A),
                              ),
                            ),
                            Text(
                              widget?.comment?.createTime??"",
                              style: TextStyle(
                                fontSize: 12.sp,
                                fontWeight: MyFontWeight.regular,
                                color: Color(0xFF808080),
                              ),
                            ),
                          ],
                        ),
                      ],
                    ),
                  ),
                  GestureDetector(
                    onTap: () {
                      setState(() {
                        if (widget.commentType == 0) {
                          widget.comment.selfFollow =
                              !(widget.comment.selfFollow ?? false);
                          _vipFollow(widget.comment.memberInfo.mid);
                        } else {
                          showDeleteDialog();
                        }
                      });
                    },
                    child: (widget.commentType == 0)
                        ? RoundButton(
                            padding: EdgeInsets.symmetric(
                              horizontal: 8,
                              vertical: 3,
                            ),
                            backgroup: (widget.comment.selfFollow ?? false)
                                ? Color(0xFFE6E6E6)
                                : Color(0xFF32A060),
                            textColor: (widget.comment.selfFollow ?? false)
                                ? Color(0xFF808080)
                                : Colors.white,
                            text: (widget.comment.selfFollow ?? false)
                                ? "已关注"
                                : "关注",
                            radius: 20,
                            icons: Icon(
                              (widget.comment.selfFollow ?? false)
                                  ? Icons.check
                                  : Icons.add,
                              color: (widget.comment.selfFollow ?? false)
                                  ? Color(0xFF808080)
                                  : Colors.white,
                              size: 14,
                            ),
                          )
                        : Icon(
                            Icons.close,
                            color: Colors.black,
                            size: 16,
                          ),
                  ),
                ],
              ),
              SizedBox(
                height: 12.h,
              ),
              Text(
                widget.comment.subject ?? "",
                maxLines: 5,
                overflow: TextOverflow.ellipsis,
                style: TextStyle(
                  color: Color(0xFF1A1A1A),
                  fontWeight: MyFontWeight.regular,
                  fontSize: 14.sp,
                ),
              ),
              buildMedia(widget.comment.subjectInfo),
              if (!widget.isDetails)
                SizedBox(
                  height: 12.h,
                ),
              if (!widget.isDetails)
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  crossAxisAlignment: CrossAxisAlignment.center,
                  children: [
                    IconText(
                      (widget.comment != null)
                          ? "${widget.comment.viewers}"
                          : "",
                      space: 4.w,
                      leftImage: "assets/svg/liulanliang.svg",
                      iconSize: 16,
                    ),
                    IconText(
                      "${widget.comment.comments ?? 0}",
                      space: 4.w,
                      leftImage: "assets/svg/pinglun.svg",
                      iconSize: 16,
                    ),
                    IconText(
                      "${widget.comment.likes ?? 0}",
                      space: 4.w,
                      leftImage: "assets/svg/xihuan.svg",
                      iconSize: 16,
                    ),
                  ],
                ),
            ],
          ),
        ),
        Container(
          height: 16,
          color: Color(0xFFF7F7F7),
        )
      ],
    );
  }

  ///动态内容
  Widget buildMedia(SubjectInfo subjectInfo) {
    if (subjectInfo == null) {
      return Container();
    }
    Widget widget = Container();
    if (subjectInfo.type == "image" && subjectInfo.images.length > 0) {
      if (subjectInfo.images.length == 1) {
        widget = Container(
          child: MImage(
            subjectInfo.images[0],
            fit: BoxFit.cover,
            width: MediaQuery.of(context).size.width / 2,
            height: MediaQuery.of(context).size.width /1,
            errorSrc: "assets/image/default_2_1.png",
            fadeSrc: "assets/image/default_2_1.png",
          ),
        );
      } else {
        widget = GridView.builder(
          gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
            crossAxisCount: (subjectInfo.images.length == 2 ||
                    subjectInfo.images.length == 4)
                ? 2
                : 3,
            crossAxisSpacing: 12.w,
            mainAxisSpacing: 12.w,
            childAspectRatio: 1,
          ),
          padding: EdgeInsets.zero,
          shrinkWrap: true,
          physics: NeverScrollableScrollPhysics(),
          itemBuilder: (context, position) {
            return Container(
              child: MImage(
                subjectInfo.images[position],
                fit: BoxFit.cover,
                aspectRatio: 1,
                errorSrc: "assets/image/default_2_1.png",
                fadeSrc: "assets/image/default_2_1.png",
              ),
            );
          },
          itemCount: subjectInfo.images.length,
        );
      }
    } else if (subjectInfo.type == "video" &&
        subjectInfo.video.isNotEmpty) {
      widget = videoWidget(
          MediaQuery.of(context).size.width - 32,
          MediaQuery.of(context).size.width /2,
          subjectInfo.video);
    }

    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      crossAxisAlignment: CrossAxisAlignment.start,
      mainAxisSize: MainAxisSize.min,
      children: [
        SizedBox(
          height: 16.h,
        ),
        widget,
      ],
    );
  }

  VideoPlayerController videoPlayerController;
  ChewieController chewieAudioController;
  Chewie chewies;

  Widget videoWidget(double width, double height, src) {
    print("src :  $src");
    chewieAudioController = ChewieController(
      videoPlayerController: videoPlayerController =
          VideoPlayerController.network(
            src,
          ),
      aspectRatio: width / height,
      //宽高比
      autoPlay: false,
      //自动播放
      looping: false,
      //循环播放
      allowFullScreen: true,
      // systemOverlaysAfterFullScreen: [],
      // systemOverlaysOnEnterFullScreen: [],
      // deviceOrientationsAfterFullScreen: [],
      // deviceOrientationsOnEnterFullScreen: [],
      // 拖动条样式颜色
      materialProgressColors: chewie.ChewieProgressColors(
        playedColor: Colors.white,
        handleColor: Colors.white,
        backgroundColor: Colors.grey,
        bufferedColor: Colors.transparent,
      ),
      autoInitialize: true,
    );

    chewieAudioController.addListener(_fullScreenListener);

    return MediaQuery(
      data: MediaQuery.of(context).copyWith(
        textScaleFactor: 0.9,
      ),
      child: Container(
        width: MediaQuery.of(context).size.width - 17,
        height: (MediaQuery.of(context).size.width) / (width / height),
        child: chewies = Chewie(
          controller: chewieAudioController,
        ),
      ),
    );
  }

  Future<void> _fullScreenListener() async {
    print("object: isPlaying: ${videoPlayerController.value.isPlaying}");
    print("object: isFullScreen: ${chewieAudioController.isFullScreen}");

    if (!chewieAudioController.isFullScreen) {
      Future.delayed(Duration(seconds: 1), () {
        widget.exitFull();
      });
    }
  }

  ///删除动态弹窗
  showDeleteDialog() {
    showDialog(
      context: context,
      builder: (context) {
        return AlertDialog(
          content: Container(
            width: MediaQuery.of(context).size.width - 84,
            height: 110.h,
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              crossAxisAlignment: CrossAxisAlignment.center,
              children: [
                Text(
                  "确定要删除这条动态？",
                  style: TextStyle(
                    fontSize: 17.sp,
                    fontWeight: FontWeight.bold,
                    color: Colors.black,
                  ),
                ),
                SizedBox(
                  height: 30.h,
                ),
                Row(
                  children: [
                    Expanded(
                      child: InkWell(
                        child: BorderText(
                          text: "取消",
                          textColor: Color(0xFF32A060),
                          fontSize: 16.sp,
                          fontWeight: FontWeight.bold,
                          borderColor: Color(0xFF32A060),
                          radius: 4,
                          padding: EdgeInsets.all(12),
                          borderWidth: 1,
                        ),
                        onTap: () {
                          Navigator.of(context).pop();
                        },
                      ),
                      flex: 1,
                    ),
                    SizedBox(
                      width: 16.w,
                    ),
                    Expanded(
                      child: InkWell(
                        child: RoundButton(
                          text: "确定",
                          textColor: Colors.white,
                          radius: 4,
                          padding: EdgeInsets.all(12),
                          backgroup: Color(0xFF32A060),
                          fontSize: 16.sp,
                          fontWeight: FontWeight.bold,
                        ),
                        onTap: () {
                          _deleteDynamic(widget.comment.id);
                          Navigator.of(context).pop();
                        },
                      ),
                      flex: 1,
                    ),
                  ],
                )
              ],
            ),
          ),
        );
      },
    );
  }

  @override
  void didChangeDependencies() {
    if (widget.heightFun != null)
      WidgetsBinding.instance.addPostFrameCallback(_getContainerHeight);
    super.didChangeDependencies();
  }

  _getContainerHeight(_) {
    if (globalKey.currentContext != null)
      height = globalKey.currentContext.size.height;
    if (widget.heightFun != null) widget.heightFun(height);
    print("height: $height");
  }
}