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Replaced math based approach with bitwise operations

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Jakob Meier 2023-04-01 12:26:58 +02:00
parent 916ea41159
commit b73362c101
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GPG key ID: 66BDC7E6A01A6152
1 changed files with 30 additions and 26 deletions
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56
lib/screens/room/about/permissions.dart
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@ -31,10 +31,10 @@ class _EditRoomPermissionSetPageState extends State<EditRoomPermissionSetPage> {
doNetworkRequest(
sm,
req: () => postWithCreadentials(
path: 'getRoomInfo',
credentials: user,
target: user.server,
body: {'room': widget.tag, 'server': widget.server}),
path: 'getRoomInfo',
credentials: user,
target: user.server,
body: {'room': widget.tag, 'server': widget.server}),
onAnyErr: () {
// user should not be here
// close screen
@ -44,7 +44,7 @@ class _EditRoomPermissionSetPageState extends State<EditRoomPermissionSetPage> {
onOK: (body) async {
final info = RoomInfo.fromJSON(body['data']);
setState(() {
permissions = info.permissions;
permissions = info.permissions;
});
return true;
},
@ -69,17 +69,21 @@ class _EditRoomPermissionSetPageState extends State<EditRoomPermissionSetPage> {
itemBuilder: (context, index) {
final item = items[index];
final int col = pow(2, index + 1) as int;
final int col = pow(2, index) as int;
return SwitchListTile(
title: Text(RoomPermission.name(item, context)),
subtitle: Text(RoomPermission.describe(item, context)),
onChanged: (state) {
setState(() {
permissions += (state ? 1 : -1) * col;
});
},
value: permissions & col != 0);
title: Text(RoomPermission.name(item, context)),
subtitle: Text(RoomPermission.describe(item, context)),
onChanged: (state) {
setState(() {
if (state) {
permissions |= col;
} else {
permissions &= ~col;
}
});
},
value: permissions & col != 0);
},
),
floatingActionButton: FloatingActionButton.extended(
@ -93,18 +97,18 @@ class _EditRoomPermissionSetPageState extends State<EditRoomPermissionSetPage> {
// update permissions
doNetworkRequest(sm,
req: () => postWithCreadentials(
path: 'setRoomRight',
credentials: user,
target: user.server,
body: {
'room': widget.tag,
'server': widget.server,
'rights': permissions
}),
onOK: (_) {
router.pop();
});
req: () => postWithCreadentials(
path: 'setRoomRight',
credentials: user,
target: user.server,
body: {
'room': widget.tag,
'server': widget.server,
'rights': permissions
}),
onOK: (_) {
router.pop();
});
},
),
);