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Show download status on reader chapter view.

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This commit is contained in:
nyne
2025-02-22 21:08:30 +08:00
parent 5a886f7504
commit 38d5563534
3 changed files with 244 additions and 215 deletions
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242
lib/pages/reader/chapters.dart Normal file
View File

@@ -0,0 +1,242 @@
part of 'reader.dart';
class _ChaptersView extends StatefulWidget {
const _ChaptersView(this.reader);
final _ReaderState reader;
@override
State<_ChaptersView> createState() => _ChaptersViewState();
}
class _ChaptersViewState extends State<_ChaptersView> {
bool desc = false;
late final ScrollController _scrollController;
var downloaded = <String>[];
@override
void initState() {
super.initState();
int epIndex = widget.reader.chapter - 2;
_scrollController = ScrollController(
initialScrollOffset: (epIndex * 48.0 + 52).clamp(0, double.infinity),
);
var local = LocalManager().find(widget.reader.cid, widget.reader.type);
if (local != null) {
downloaded = local.downloadedChapters;
}
}
@override
Widget build(BuildContext context) {
var chapters = widget.reader.widget.chapters!;
var current = widget.reader.chapter - 1;
return Scaffold(
body: SmoothCustomScrollView(
controller: _scrollController,
slivers: [
SliverAppbar(
style: AppbarStyle.shadow,
title: Text("Chapters".tl),
actions: [
Tooltip(
message: "Click to change the order".tl,
child: TextButton.icon(
icon: Icon(
!desc ? Icons.arrow_upward : Icons.arrow_downward,
size: 18,
),
label: Text(!desc ? "Ascending".tl : "Descending".tl),
onPressed: () {
setState(() {
desc = !desc;
});
},
),
),
],
),
SliverList(
delegate: SliverChildBuilderDelegate(
(context, index) {
if (desc) {
index = chapters.length - 1 - index;
}
var chapter = chapters.titles.elementAt(index);
return _ChapterListTile(
onTap: () {
widget.reader.toChapter(index + 1);
Navigator.of(context).pop();
},
title: chapter,
isActive: current == index,
isDownloaded:
downloaded.contains(chapters.ids.elementAt(index)),
);
},
childCount: chapters.length,
),
),
],
),
);
}
}
class _GroupedChaptersView extends StatefulWidget {
const _GroupedChaptersView(this.reader);
final _ReaderState reader;
@override
State<_GroupedChaptersView> createState() => _GroupedChaptersViewState();
}
class _GroupedChaptersViewState extends State<_GroupedChaptersView>
with SingleTickerProviderStateMixin {
ComicChapters get chapters => widget.reader.widget.chapters!;
late final TabController tabController;
late final ScrollController _scrollController;
late final String initialGroupName;
var downloaded = <String>[];
@override
void initState() {
super.initState();
int index = 0;
int epIndex = widget.reader.chapter - 1;
while (epIndex >= 0) {
epIndex -= chapters.getGroupByIndex(index).length;
index++;
}
tabController = TabController(
length: chapters.groups.length,
vsync: this,
initialIndex: index - 1,
);
initialGroupName = chapters.groups.elementAt(index - 1);
var epIndexAtGroup = widget.reader.chapter - 1;
for (var i = 0; i < index - 1; i++) {
epIndexAtGroup -= chapters.getGroupByIndex(i).length;
}
_scrollController = ScrollController(
initialScrollOffset: (epIndexAtGroup * 48.0).clamp(0, double.infinity),
);
var local = LocalManager().find(widget.reader.cid, widget.reader.type);
if (local != null) {
downloaded = local.downloadedChapters;
}
}
@override
Widget build(BuildContext context) {
return Column(
children: [
Appbar(title: Text("Chapters".tl)),
AppTabBar(
controller: tabController,
tabs: chapters.groups.map((e) => Tab(text: e)).toList(),
),
Expanded(
child: TabViewBody(
controller: tabController,
children: chapters.groups.map(buildGroup).toList(),
),
),
],
);
}
Widget buildGroup(String groupName) {
var group = chapters.getGroup(groupName);
return SmoothCustomScrollView(
controller: initialGroupName == groupName ? _scrollController : null,
slivers: [
SliverList(
delegate: SliverChildBuilderDelegate(
(context, index) {
var name = group.values.elementAt(index);
var i = 0;
for (var g in chapters.groups) {
if (g == groupName) {
break;
}
i += chapters.getGroup(g).length;
}
i += index + 1;
return _ChapterListTile(
onTap: () {
widget.reader.toChapter(i);
context.pop();
},
title: name,
isActive: widget.reader.chapter == i,
isDownloaded: downloaded.contains(group.keys.elementAt(index)),
);
},
childCount: group.length,
),
),
],
);
}
}
class _ChapterListTile extends StatelessWidget {
const _ChapterListTile({
required this.title,
required this.isActive,
required this.isDownloaded,
required this.onTap,
});
final String title;
final bool isActive;
final bool isDownloaded;
final VoidCallback onTap;
@override
Widget build(BuildContext context) {
return InkWell(
onTap: onTap,
child: Container(
height: 48,
padding: const EdgeInsets.symmetric(horizontal: 16),
decoration: BoxDecoration(
border: Border(
left: BorderSide(
color:
isActive ? context.colorScheme.primary : Colors.transparent,
width: 4,
),
),
),
child: Row(
children: [
Text(
title,
style: isActive
? ts.withColor(context.colorScheme.primary).bold.s16
: ts.s16,
),
const Spacer(),
if (isDownloaded)
Icon(
Icons.download_done_rounded,
color: context.colorScheme.secondary,
),
],
),
),
);
}
}

2
lib/pages/reader/reader.dart
View File

@@ -49,6 +49,8 @@ part 'comic_image.dart';
part 'loading.dart';
part 'chapters.dart';
extension _ReaderContext on BuildContext {
_ReaderState get reader => findAncestorStateOfType<_ReaderState>()!;

215
lib/pages/reader/scaffold.dart
View File

@@ -940,218 +940,3 @@ class _ClockWidgetState extends State<_ClockWidget> {
);
}
}
class _ChaptersView extends StatefulWidget {
const _ChaptersView(this.reader);
final _ReaderState reader;
@override
State<_ChaptersView> createState() => _ChaptersViewState();
}
class _ChaptersViewState extends State<_ChaptersView> {
bool desc = false;
late final ScrollController _scrollController;
@override
void initState() {
super.initState();
int epIndex = widget.reader.chapter - 2;
_scrollController = ScrollController(
initialScrollOffset: (epIndex * 48.0 + 52).clamp(0, double.infinity),
);
}
@override
Widget build(BuildContext context) {
var chapters = widget.reader.widget.chapters!;
var current = widget.reader.chapter - 1;
return Scaffold(
body: SmoothCustomScrollView(
controller: _scrollController,
slivers: [
SliverAppbar(
style: AppbarStyle.shadow,
title: Text("Chapters".tl),
actions: [
Tooltip(
message: "Click to change the order".tl,
child: TextButton.icon(
icon: Icon(
!desc ? Icons.arrow_upward : Icons.arrow_downward,
size: 18,
),
label: Text(!desc ? "Ascending".tl : "Descending".tl),
onPressed: () {
setState(() {
desc = !desc;
});
},
),
),
],
),
SliverList(
delegate: SliverChildBuilderDelegate(
(context, index) {
if (desc) {
index = chapters.length - 1 - index;
}
var chapter = chapters.titles.elementAt(index);
return InkWell(
onTap: () {
widget.reader.toChapter(index + 1);
Navigator.of(context).pop();
},
child: Container(
height: 48,
padding: const EdgeInsets.only(left: 16),
decoration: BoxDecoration(
border: Border(
left: BorderSide(
color: current == index
? context.colorScheme.primary
: Colors.transparent,
width: 2,
),
),
),
child: Align(
alignment: Alignment.centerLeft,
child: Text(
chapter,
style: current == index
? ts.withColor(context.colorScheme.primary).bold.s16
: ts.s16,
),
),
),
);
},
childCount: chapters.length,
),
),
],
),
);
}
}
class _GroupedChaptersView extends StatefulWidget {
const _GroupedChaptersView(this.reader);
final _ReaderState reader;
@override
State<_GroupedChaptersView> createState() => _GroupedChaptersViewState();
}
class _GroupedChaptersViewState extends State<_GroupedChaptersView>
with SingleTickerProviderStateMixin {
ComicChapters get chapters => widget.reader.widget.chapters!;
late final TabController tabController;
late final ScrollController _scrollController;
late final String initialGroupName;
@override
void initState() {
super.initState();
int index = 0;
int epIndex = widget.reader.chapter - 1;
while (epIndex >= 0) {
epIndex -= chapters.getGroupByIndex(index).length;
index++;
}
tabController = TabController(
length: chapters.groups.length,
vsync: this,
initialIndex: index - 1,
);
initialGroupName = chapters.groups.elementAt(index - 1);
var epIndexAtGroup = widget.reader.chapter - 1;
for (var i = 0; i < index-1; i++) {
epIndexAtGroup -= chapters.getGroupByIndex(i).length;
}
_scrollController = ScrollController(
initialScrollOffset: (epIndexAtGroup * 48.0).clamp(0, double.infinity),
);
}
@override
Widget build(BuildContext context) {
return Column(
children: [
Appbar(title: Text("Chapters".tl)),
AppTabBar(
controller: tabController,
tabs: chapters.groups.map((e) => Tab(text: e)).toList(),
),
Expanded(
child: TabViewBody(
controller: tabController,
children: chapters.groups.map(buildGroup).toList(),
),
),
],
);
}
Widget buildGroup(String groupName) {
var group = chapters.getGroup(groupName);
return SmoothCustomScrollView(
controller: initialGroupName == groupName ? _scrollController : null,
slivers: [
SliverList(
delegate: SliverChildBuilderDelegate(
(context, index) {
var name = group.values.elementAt(index);
var i = 0;
for (var g in chapters.groups) {
if (g == groupName) {
break;
}
i += chapters.getGroup(g).length;
}
i += index + 1;
return InkWell(
onTap: () {
widget.reader.toChapter(i);
context.pop();
},
child: Container(
height: 48,
padding: const EdgeInsets.only(left: 16),
decoration: BoxDecoration(
border: Border(
left: BorderSide(
color: widget.reader.chapter == i
? context.colorScheme.primary
: Colors.transparent,
width: 2,
),
),
),
child: Align(
alignment: Alignment.centerLeft,
child: Text(
name,
style: widget.reader.chapter == i
? ts.withColor(context.colorScheme.primary).bold.s16
: ts.s16,
),
),
),
);
},
childCount: group.length,
),
),
],
);
}
}