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: SafeArea(
          child: Column(
            children: [
              _titleCard(),
              Spacer(),
              (controller.photoGroups.length == 1)
                  ? Container(
                      width: 314.w,
                      height: 392.h,
                      child: AssetEntityImage(
                        controller.photoGroups[0],
                        width: 314.w,
                        height: 392.h,
                      ),
                    )
                  : 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,
                        cardBuilder: (context,
                            index,
                            horizontalOffsetPercentage,
                            verticalOffsetPercentage) {
                          final assetEntity = controller.photoGroups[index];
                          return AssetEntityImage(
                            assetEntity,
                            width: 314.w,
                            height: 392.h,
                          );
                        },
                      ),
                    ),
              Spacer(),
              bottomButtonCard(),
              _bottomBarCard(),
            ],
          ),
        ),
      ),
      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 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,
            ),
          ),
        ],
      ),
    );
  }
}