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(viewer) Split viewer to vertical and horizontal
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| @@ -0,0 +1,4 @@ | ||
| // This source code is a part of Project Violet. | ||
| // Copyright (C) 2020. violet-team. Licensed under the MIT License. | ||
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| // Reference https://github.com/rollrat/downloader/blob/master/Koromo_Copy.Framework/Extractor/PixivExtractor.cs |
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| Original file line number | Diff line number | Diff line change |
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| // This source code is a part of Project Violet. | ||
| // Copyright (C) 2020. violet-team. Licensed under the MIT License. | ||
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| class GalleryExampleItem { | ||
| GalleryExampleItem({ | ||
| this.id, | ||
| this.url, | ||
| this.headers, | ||
| this.isSvg = false, | ||
| this.loaded = false, | ||
| }); | ||
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| final String id; | ||
| final String url; | ||
| final Map<String, String> headers; | ||
| final bool isSvg; | ||
| double height; | ||
| bool loaded; | ||
| } |
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| // This source code is a part of Project Violet. | ||
| // Copyright (C) 2020. violet-team. Licensed under the MIT License. | ||
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| import 'package:cached_network_image/cached_network_image.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:photo_view/photo_view.dart'; | ||
| import 'package:photo_view/photo_view_gallery.dart'; | ||
| import 'package:violet/settings.dart'; | ||
| import 'package:violet/pages/viewer/gallery_item.dart'; | ||
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| class GalleryPhotoViewWrapper extends StatefulWidget { | ||
| GalleryPhotoViewWrapper({ | ||
| this.loadingBuilder, | ||
| this.backgroundDecoration, | ||
| this.initialIndex, | ||
| @required this.galleryItems, | ||
| this.totalPage, | ||
| this.scrollDirection = Axis.horizontal, | ||
| }) : pageController = PageController(initialPage: initialIndex); | ||
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| final LoadingBuilder loadingBuilder; | ||
| final Decoration backgroundDecoration; | ||
| final int initialIndex; | ||
| final PageController pageController; | ||
| final List<GalleryExampleItem> galleryItems; | ||
| final Axis scrollDirection; | ||
| final int totalPage; | ||
| int currentIndex; | ||
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| @override | ||
| State<StatefulWidget> createState() { | ||
| return _GalleryPhotoViewWrapperState(); | ||
| } | ||
| } | ||
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| class _GalleryPhotoViewWrapperState extends State<GalleryPhotoViewWrapper> { | ||
| @override | ||
| void initState() { | ||
| widget.currentIndex = widget.initialIndex; | ||
| super.initState(); | ||
| } | ||
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| void onPageChanged(int index) { | ||
| setState(() { | ||
| widget.currentIndex = index; | ||
| }); | ||
| } | ||
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| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| body: Container( | ||
| decoration: widget.backgroundDecoration, | ||
| constraints: BoxConstraints.expand( | ||
| height: MediaQuery.of(context).size.height, | ||
| ), | ||
| child: Stack( | ||
| alignment: Alignment.bottomRight, | ||
| children: <Widget>[ | ||
| PhotoViewGallery.builder( | ||
| scrollPhysics: const BouncingScrollPhysics(), | ||
| builder: _buildItem, | ||
| itemCount: widget.galleryItems.length, | ||
| loadingBuilder: widget.loadingBuilder, | ||
| backgroundDecoration: widget.backgroundDecoration, | ||
| pageController: widget.pageController, | ||
| onPageChanged: onPageChanged, | ||
| scrollDirection: widget.scrollDirection, | ||
| reverse: Settings.rightToLeft, | ||
| ), | ||
| Container( | ||
| padding: const EdgeInsets.all(8.0), | ||
| child: Text( | ||
| "${widget.currentIndex + 1}/${widget.totalPage}", | ||
| style: const TextStyle( | ||
| color: Colors.white, | ||
| fontSize: 14.0, | ||
| decoration: null, | ||
| ), | ||
| ), | ||
| ) | ||
| ], | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
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| PhotoViewGalleryPageOptions _buildItem(BuildContext context, int index) { | ||
| final GalleryExampleItem item = widget.galleryItems[index]; | ||
| return PhotoViewGalleryPageOptions( | ||
| imageProvider: CachedNetworkImageProvider( | ||
| item.url, | ||
| headers: item.headers, | ||
| //(context, url) => Image.file(File('assets/images/loading.gif')), | ||
| ), | ||
| // NetworkImage(item.url, headers: item.headers), | ||
| initialScale: PhotoViewComputedScale.contained, | ||
| //minScale: PhotoViewComputedScale.contained * (0.5 + index / 10), | ||
| //maxScale: PhotoViewComputedScale.covered * 1.1, | ||
| minScale: PhotoViewComputedScale.contained * 1.0, | ||
| maxScale: PhotoViewComputedScale.contained * 5.0, | ||
| heroAttributes: PhotoViewHeroAttributes(tag: item.id), | ||
| ); | ||
| } | ||
| } |
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