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Improve selection button display on small screen devices.

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This commit is contained in:
pkuislm
2024-11-12 23:09:53 +08:00
parent 4ff1140bf6
commit acb9c47657
1 changed files with 110 additions and 64 deletions
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174
lib/pages/local_comics_page.dart
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@@ -116,6 +116,106 @@ class _LocalComicsPageState extends State<LocalComicsPage> {
@override
Widget build(BuildContext context) {
final double screenWidth = MediaQuery.of(context).size.width;
final bool isScreenSmall = screenWidth < 500.0;
void selectAll(){
setState(() {
selectedComics = comics.asMap().map((k, v) => MapEntry(v, true));
});
}
void deSelect() {
setState(() {
selectedComics.clear();
});
}
void invertSelection() {
setState(() {
comics.asMap().forEach((k, v) {
selectedComics[v] = !selectedComics.putIfAbsent(v, () => false);
});
selectedComics.removeWhere((k, v) => !v);
});
}
void selectRange() {
setState(() {
List<int> l = [];
selectedComics.forEach((k, v) {
l.add(comics.indexOf(k as LocalComic));
});
if(l.isEmpty) {
return;
}
l.sort();
int start = l.first;
int end = l.last;
selectedComics.clear();
selectedComics.addEntries(
List.generate(end - start + 1, (i) {
return MapEntry(comics[start + i], true);
})
);
});
}
List<Widget> selectActions = [];
if(isScreenSmall) {
selectActions.add(
IconButton(
onPressed: () {
showMenu(
context: context,
position: RelativeRect.fromLTRB(screenWidth, App.isMobile ? 64 : 96, 0, 0),
items: <PopupMenuEntry>[
PopupMenuItem(
onTap: selectAll,
child: Text("Select All".tl),
),
PopupMenuItem(
onTap: deSelect,
child: Text("Deselect".tl),
),
PopupMenuItem(
onTap: invertSelection,
child: Text("Invert Selection".tl),
),
PopupMenuItem(
onTap: selectRange,
child: Text("Select in range".tl),
)
]
);
},
icon: const Icon(
Icons.list
))
);
}else {
selectActions = [
IconButton(
icon: const Icon(Icons.check_box_rounded),
tooltip: "Select All".tl,
onPressed: selectAll
),
IconButton(
icon: const Icon(Icons.check_box_outline_blank_outlined),
tooltip: "Deselect".tl,
onPressed: deSelect
),
IconButton(
icon: const Icon(Icons.check_box_outlined),
tooltip: "Invert Selection".tl,
onPressed: invertSelection
),
IconButton(
icon: const Icon(Icons.indeterminate_check_box_rounded),
tooltip: "Select in range".tl,
onPressed: selectRange
),
];
}
return Scaffold(
body: SmoothCustomScrollView(
slivers: [
@@ -169,71 +269,17 @@ class _LocalComicsPageState extends State<LocalComicsPage> {
SliverAppbar(
title: Text("Selected @c comics".tlParams({"c": selectedComics.length})),
actions: [
IconButton(
icon: const Icon(Icons.check_box_rounded),
tooltip: "Select All".tl,
onPressed: () {
setState(() {
selectedComics = comics.asMap().map((k, v) => MapEntry(v, true));
});
},
),
IconButton(
icon: const Icon(Icons.check_box_outline_blank_outlined),
tooltip: "Deselect".tl,
onPressed: () {
setState(() {
selectedComics.clear();
});
},
),
IconButton(
icon: const Icon(Icons.check_box_outlined),
tooltip: "Invert Selection".tl,
onPressed: () {
setState(() {
comics.asMap().forEach((k, v) {
selectedComics[v] = !selectedComics.putIfAbsent(v, () => false);
...selectActions,
IconButton(
icon: const Icon(Icons.close),
tooltip: "Exit Multi-Select".tl,
onPressed: () {
setState(() {
multiSelectMode = false;
selectedComics.clear();
});
selectedComics.removeWhere((k, v) => !v);
});
},
),
IconButton(
icon: const Icon(Icons.indeterminate_check_box_rounded),
tooltip: "Select in range".tl,
onPressed: () {
setState(() {
List<int> l = [];
selectedComics.forEach((k, v) {
l.add(comics.indexOf(k as LocalComic));
});
if(l.isEmpty) {
return;
}
l.sort();
int start = l.first;
int end = l.last;
selectedComics.clear();
selectedComics.addEntries(
List.generate(end - start + 1, (i) {
return MapEntry(comics[start + i], true);
})
);
});
},
),
IconButton(
icon: const Icon(Icons.close),
tooltip: "Exit Multi-Select".tl,
onPressed: () {
setState(() {
multiSelectMode = false;
selectedComics.clear();
});
},
),
},
),
],
)