proxibuy/lib/presentation/ui/widgets/dialog/image_gallary.dart

import 'package:carousel_slider/carousel_controller.dart';
import 'package:flutter/material.dart';
import 'package:proxibuy/presentation/ui/theme/responsive.dart';
import 'package:proxibuy/presentation/ui/widgets/carousel/carousel_slider_widget.dart';

// TutorialOverlay
class ImageGallary extends ModalRoute<void> {
  final List<String> urls;
  final String initialUrl;
  final CarouselSliderController carouselSliderController =
      CarouselSliderController();

  ImageGallary({required this.urls, required this.initialUrl});

  @override
  Duration get transitionDuration => Duration(milliseconds: 500);

  @override
  bool get opaque => false;

  @override
  bool get barrierDismissible => true;

  @override
  Color get barrierColor => Colors.black.withAlpha(210);

  @override
  String get barrierLabel => 'Images';

  @override
  bool get maintainState => true;

  @override
  Widget buildPage(
    BuildContext context,
    Animation<double> animation,
    Animation<double> secondaryAnimation,
  ) {
    return Material(
      type: MaterialType.transparency,
      child: SafeArea(
        child: _buildOverlayContent(context),
      ),
    );
  }

  late final ValueNotifier<String> initialImage = ValueNotifier(initialUrl);
  Widget _buildOverlayContent(BuildContext context) {
    double viewportFraction =
        (1 / (urls.length * (MediaQuery.sizeOf(context).width / 1300)));

    return Stack(
      children: [
        Column(
          mainAxisSize: MainAxisSize.max,
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            ConstrainedBox(
              constraints: BoxConstraints(
                  maxHeight: MediaQuery.sizeOf(context).height / 2),
              child: ValueListenableBuilder(
                valueListenable: initialImage,
                builder: (context, value, child) {
                  return InteractiveViewer(
                    boundaryMargin: EdgeInsets.all(80),
                    minScale: 0.5,
                    maxScale: 4,
                    panEnabled: true,
                    child: AspectRatio(
                      aspectRatio:
                          Responsive(context).isMobile() ? 1 / 1 : 16 / 9,
                      child: Container(
                        margin: const EdgeInsets.all(32.0),
                        child: GestureDetector(
                          onHorizontalDragEnd: (details) {
                            if (details.primaryVelocity! < 0) {
                              // Swiped left
                              carouselSliderController.nextPage();
                            } else if (details.primaryVelocity! > 0) {
                              // Swiped right
                              carouselSliderController.previousPage();
                            }
                          },
                          child: ClipRRect(
                            borderRadius: BorderRadius.circular(8),
                            child: Image.network(
                              value,
                            ),
                          ),
                        ),
                      ),
                    ),
                  );
                },
              ),
            ),
            CarouselSliderWidget(
              controller: carouselSliderController
                ..onReady.then(
                  (value) {
                    carouselSliderController
                        .jumpToPage(urls.indexOf(initialImage.value));
                  },
                ),
              items: urls,
              withInds: false,
              autoPlay: false,
              enableInfiniteScroll: false,
              enlargeCenterPage: false,
              viewportFraction: viewportFraction,
              aspectRatio: 1 / 1,
              height: 120,
              onPageChanged: (index, reason) {
                initialImage.value = urls[index];
              },
              onPageBuilder: (context, item, index) {
                return Container(
                  decoration: BoxDecoration(
                      color: Theme.of(context).colorScheme.surface,
                      borderRadius: BorderRadius.only(
                          topLeft:
                              index == 0 ? Radius.circular(16) : Radius.zero,
                          bottomLeft:
                              index == 0 ? Radius.circular(16) : Radius.zero,
                          bottomRight: index == urls.length - 1
                              ? Radius.circular(16)
                              : Radius.zero,
                          topRight: index == urls.length - 1
                              ? Radius.circular(16)
                              : Radius.zero)),
                  padding: EdgeInsets.all(16),
                  child: InkWell(
                    onTap: () {
                      carouselSliderController.animateToPage(index);
                    },
                    child: SizedBox(
                      child: Image.network(
                        item,
                        fit: BoxFit.cover,
                      ),
                    ),
                  ),
                );
              },
            ),
          ],
        ),
        Positioned(
          top: 32,
          left: 32,
          child: InkWell(
            onTap: () {
              Navigator.pop(context);
            },
            child: Container(
              decoration: BoxDecoration(
                  color: Theme.of(context).colorScheme.surface,
                  borderRadius: BorderRadius.circular(8)),
              padding: EdgeInsets.all(8),
              child: Icon(Icons.arrow_back_ios_new_rounded),
            ),
          ),
        ),
      ],
    );
  }

  @override
  Widget buildTransitions(BuildContext context, Animation<double> animation,
      Animation<double> secondaryAnimation, Widget child) {
    // You can add your own animations for the overlay content
    return FadeTransition(
      opacity: animation,
      child: ScaleTransition(
        scale: animation,
        child: child,
      ),
    );
  }
}