Improve selection button display on small screen devices.

This commit is contained in:
pkuislm
2024-11-12 23:09:53 +08:00
parent 4ff1140bf6
commit acb9c47657

View File

@@ -116,6 +116,106 @@ class _LocalComicsPageState extends State<LocalComicsPage> {
@override @override
Widget build(BuildContext context) { 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( return Scaffold(
body: SmoothCustomScrollView( body: SmoothCustomScrollView(
slivers: [ slivers: [
@@ -169,61 +269,7 @@ class _LocalComicsPageState extends State<LocalComicsPage> {
SliverAppbar( SliverAppbar(
title: Text("Selected @c comics".tlParams({"c": selectedComics.length})), title: Text("Selected @c comics".tlParams({"c": selectedComics.length})),
actions: [ actions: [
IconButton( ...selectActions,
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);
});
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( IconButton(
icon: const Icon(Icons.close), icon: const Icon(Icons.close),
tooltip: "Exit Multi-Select".tl, tooltip: "Exit Multi-Select".tl,