Clean/lib/module/photo_preview/photo_preview_view.dart

import 'package:clean/base/base_page.dart';
import 'package:clean/data/bean/photos_type.dart';
import 'package:clean/module/photo_preview/photo_preview_controller.dart';
import 'package:clean/resource/assets.gen.dart';
import 'package:clean/router/app_pages.dart';
import 'package:flutter/Material.dart';
import 'package:flutter/src/widgets/framework.dart';
import 'package:flutter_card_swiper/flutter_card_swiper.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:wechat_assets_picker/wechat_assets_picker.dart';

class PhotoPreviewPage extends BasePage<PhotoPreviewController> {
  PhotoPreviewPage({Key? key}) : super(key: key);

  static void start(PhotosType photosType, String currentImageId) {
    print(' PhotoPreviewPage start $photosType $currentImageId');
    Get.toNamed(RoutePath.photoPreview, arguments: {
      "photosType": photosType,
      "currentImageId": currentImageId,
    });
  }

  @override
  bool immersive() {
    // TODO: implement immersive
    return true;
  }

  @override
  bool statusBarDarkFont() {
    // TODO: implement statusBarDarkFont
    return false;
  }

  @override
  Widget buildBody(BuildContext context) {
    return Stack(children: [
      Container(
          child: PopScope(
        canPop: false,
        onPopInvokedWithResult: (didPop, result) {
          if (didPop) {
            return;
          }
          controller.clickBack();
        },
        child: SafeArea(
          child: Container(
            child: Obx(() {
              if (controller.isSwiperEnd.value ||
                  controller.photoGroups.isEmpty) {
                return onSwiperEndCard();
              } else {
                return Column(
                  children: [
                    _titleCard(),
                    Spacer(),
                    Container(
                      width: 314.w,
                      height: 392.h,
                      child: CardSwiper(
                        scale: 0.8,
                        allowedSwipeDirection: AllowedSwipeDirection.only(
                          right: true,
                          left: true,
                        ),
                        isLoop: false,
                        backCardOffset: Offset(0.w, -20.h),
                        controller: controller.cardSwiperController.value,
                        cardsCount: controller.photoGroups.length,
                        onSwipe: controller.onSwipe,
                        onUndo: controller.onSwiperUndo,
                        numberOfCardsDisplayed:
                            (controller.photoGroups.length == 1)
                                ? 1
                                : (controller.photoGroups.length == 2)
                                    ? 2
                                    : 3,
                        onEnd: controller.onSwiperEnd,
                        cardBuilder: (context,
                            index,
                            horizontalOffsetPercentage,
                            verticalOffsetPercentage) {
                          final assetEntity = controller.photoGroups[index];
                          return AssetEntityImage(
                            assetEntity,
                            width: 314.w,
                            height: 392.h,
                            fit: BoxFit.cover,
                          );
                        },
                      ),
                    ),
                    Spacer(),
                    bottomButtonCard(),
                    _bottomBarCard(),
                  ],
                );
              }
            }),
          ),
        ),
      )),
      Obx(() {
        if (controller.isSwiperEnd.value || controller.photoGroups.isEmpty) {
          return IgnorePointer(
            child: Assets.images.bgPreviewSwiperEndFirework.image(
              width: 360.w,
              height: 234.h,
            ),
          );
        } else {
          return IgnorePointer(
            child: Assets.images.bgHome.image(
              width: 360.w,
              height: 234.h,
            ),
          );
        }
      }),
    ]);
  }

  Widget _titleCard() {
    return Container(
      alignment: Alignment.centerLeft,
      padding: EdgeInsets.only(left: 16.w, top: 14.h, right: 16.w),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: [
              GestureDetector(
                onTap: controller.clickBack,
                child: Assets.images.iconBackArrow.image(
                  width: 28.w,
                  height: 28.h,
                ),
              ),
              Obx(() => Row(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      Text(
                        '${controller.groupIndex.value + 1}',
                        textAlign: TextAlign.center,
                        style: TextStyle(
                          color: Colors.white,
                          fontSize: 16.sp,
                          fontWeight: FontWeight.w700,
                        ),
                      ),
                      Text(
                        ' / ${controller.photoGroups.length}',
                        textAlign: TextAlign.center,
                        style: TextStyle(
                          color: Colors.white.withValues(alpha: 0.6),
                          fontSize: 16.sp,
                          fontWeight: FontWeight.w500,
                        ),
                      ),
                    ],
                  )),
              GestureDetector(
                onTap: controller.recoverSelectPhoto,
                child: Assets.images.iconPreviewRecover.image(
                  width: 30.w,
                  height: 30.h,
                ),
              ),
            ],
          ),
          SizedBox(height: 12.h),
        ],
      ),
    );
  }

  Widget _bottomBarCard() {
    return GestureDetector(
      onTap: controller.clickDelete,
      child: Container(
        width: 360.w,
        height: 81.h,
        padding: EdgeInsets.symmetric(horizontal: 16.w),
        decoration: ShapeDecoration(
          color: Color(0xFF23232A),
          shape: RoundedRectangleBorder(
            side: BorderSide(
                width: 1.w, color: Colors.white.withValues(alpha: 0.1)),
            borderRadius: BorderRadius.only(
              topLeft: Radius.circular(14.r),
              topRight: Radius.circular(14.r),
            ),
          ),
        ),
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          children: [
            Obx(() {
              return Text(
                '${controller.selectedFileCount.value} files selected (${controller.selectedFilesSize.value.toStringAsFixed(1)} KB)',
                textAlign: TextAlign.center,
                style: TextStyle(
                  color: Colors.white.withValues(alpha: 0.9),
                  fontSize: 13.sp,
                  fontWeight: FontWeight.w500,
                ),
              );
            }),
            Container(
              width: 108.w,
              height: 38.h,
              decoration: ShapeDecoration(
                color: Color(0xFF0279FB),
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(10.r),
                ),
              ),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                children: [
                  Text(
                    'Delete',
                    textAlign: TextAlign.center,
                    style: TextStyle(
                      color: Colors.white,
                      fontSize: 16.sp,
                      fontWeight: FontWeight.w500,
                    ),
                  ),
                  Assets.images.iconDelete.image(
                    width: 18.w,
                    height: 18.h,
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget bottomButtonCard() {
    return Container(
      margin: EdgeInsets.only(bottom: 54.h),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
        children: [
          GestureDetector(
            onTap: () => controller.clickSelect(),
            child: Assets.images.iconPreviewSelect.image(
              width: 62.w,
              height: 62.h,
            ),
          ),
          GestureDetector(
            onTap: () => controller.clickUnselect(),
            child: Assets.images.iconPreviewNoSelect.image(
              width: 62.w,
              height: 62.h,
            ),
          ),
        ],
      ),
    );
  }

  Widget onSwiperEndCard() {
    return Column(
      children: [
        Spacer(),
        Center(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Text(
                'Perfect!',
                textAlign: TextAlign.center,
                style: TextStyle(
                  color: Colors.white,
                  fontSize: 32.sp,
                  fontWeight: FontWeight.w700,
                ),
              ),
              SizedBox(height: 16.h),
              SizedBox(
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    Container(
                      clipBehavior: Clip.antiAlias,
                      decoration: BoxDecoration(),
                      child: Assets.images.iconPreviewSwiperEndFirework.image(
                        width: 40.w,
                        height: 40.w,
                      ),
                    ),
                    SizedBox(width: 4.w),
                    Text(
                      'All Similar and Redundant\nPhotos Cleared',
                      textAlign: TextAlign.center,
                      style: TextStyle(
                        color: Colors.white.withValues(alpha: 0.9),
                        fontSize: 16.sp,
                        fontWeight: FontWeight.w400,
                      ),
                    ),
                    SizedBox(width: 4.w),
                    Container(
                      clipBehavior: Clip.antiAlias,
                      decoration: BoxDecoration(),
                      child: Assets.images.iconPreviewSwiperEndFirework.image(
                        width: 40.w,
                        height: 40.w,
                      ),
                    ),
                  ],
                ),
              ),
            ],
          ),
        ),
        Spacer(),
        controller.photoGroups.isEmpty ? SizedBox() : _bottomBarCard(),
      ],
    );
  }
}