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feat: Better product image view (#1122)
* feat: Better product image view * Refactor * Update product_image_gallery_view.dart
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15 changes: 15 additions & 0 deletions
15
packages/smooth_app/lib/data_models/product_image_data.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| import 'package:openfoodfacts/model/ProductImage.dart'; | ||
|
|
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| class ProductImageData { | ||
| const ProductImageData({ | ||
| required this.imageField, | ||
| required this.title, | ||
| required this.buttonText, | ||
| this.imageUrl, | ||
| }); | ||
|
|
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| final ImageField imageField; | ||
| final String title; | ||
| final String buttonText; | ||
| final String? imageUrl; | ||
| } |
106 changes: 106 additions & 0 deletions
106
packages/smooth_app/lib/pages/product/product_image_gallery_view.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_gen/gen_l10n/app_localizations.dart'; | ||
| import 'package:photo_view/photo_view.dart'; | ||
| import 'package:photo_view/photo_view_gallery.dart'; | ||
| import 'package:smooth_app/data_models/product_image_data.dart'; | ||
| import 'package:smooth_app/generic_lib/widgets/smooth_gauge.dart'; | ||
|
|
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| class ProductImageGalleryView extends StatefulWidget { | ||
| const ProductImageGalleryView({ | ||
| required this.title, | ||
| required this.productImageData, | ||
| required this.allProductImagesData, | ||
| }); | ||
|
|
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| final String title; | ||
| final ProductImageData productImageData; | ||
| final List<ProductImageData> allProductImagesData; | ||
|
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| @override | ||
| State<ProductImageGalleryView> createState() => | ||
| _ProductImageGalleryViewState(); | ||
| } | ||
|
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| class _ProductImageGalleryViewState extends State<ProductImageGalleryView> { | ||
| late final PageController _controller; | ||
| late final List<ProductImageData> images = <ProductImageData>[]; | ||
| late String title; | ||
|
|
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| @override | ||
| void initState() { | ||
| title = widget.title; | ||
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| for (final ProductImageData element in widget.allProductImagesData) { | ||
| if (element.imageUrl != null) { | ||
| images.add(element); | ||
| } | ||
| } | ||
|
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| _controller = PageController( | ||
| initialPage: widget.allProductImagesData.indexOf( | ||
| images.firstWhere((ProductImageData element) => | ||
| element.imageUrl == widget.productImageData.imageUrl), | ||
| ), | ||
| ); | ||
| super.initState(); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| final AppLocalizations appLocalizations = AppLocalizations.of(context)!; | ||
|
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| //When all are empty there shouldn't be a way to access this page | ||
| if (images.isEmpty) { | ||
| return Scaffold( | ||
| body: Center( | ||
| child: Text(appLocalizations.error), | ||
| ), | ||
| ); | ||
| } | ||
| return Scaffold( | ||
| extendBodyBehindAppBar: true, | ||
| appBar: AppBar( | ||
| backgroundColor: Colors.transparent, | ||
| elevation: 0, | ||
| title: Text(title), | ||
| ), | ||
| backgroundColor: Colors.black, | ||
| body: PhotoViewGallery.builder( | ||
| pageController: _controller, | ||
| scrollPhysics: const BouncingScrollPhysics(), | ||
| builder: (BuildContext context, int index) { | ||
| return PhotoViewGalleryPageOptions( | ||
| imageProvider: NetworkImage(images[index].imageUrl!), | ||
| initialScale: PhotoViewComputedScale.contained * 0.8, | ||
| minScale: PhotoViewComputedScale.contained * 0.8, | ||
| maxScale: PhotoViewComputedScale.covered * 1.1, | ||
| heroAttributes: | ||
| PhotoViewHeroAttributes(tag: images[index].imageUrl!), | ||
| ); | ||
| }, | ||
| itemCount: images.length, | ||
| loadingBuilder: | ||
| (final BuildContext context, final ImageChunkEvent? event) { | ||
| return Center( | ||
| child: SmoothGauge( | ||
| color: Theme.of(context).colorScheme.onBackground, | ||
| value: event == null || | ||
| event.expectedTotalBytes == null || | ||
| event.expectedTotalBytes == 0 | ||
| ? 0 | ||
| : event.cumulativeBytesLoaded / event.expectedTotalBytes!, | ||
| ), | ||
| ); | ||
| }, | ||
| backgroundDecoration: const BoxDecoration( | ||
| color: Colors.black, | ||
| ), | ||
| onPageChanged: (int index) { | ||
| setState(() { | ||
| title = images[index].title; | ||
| }); | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
| } |
44 changes: 0 additions & 44 deletions
44
packages/smooth_app/lib/pages/product/product_image_page.dart
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