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Fixed a bug in the example

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Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>
This commit is contained in:
Hans Kokx
2025-05-13 14:41:24 +02:00
parent 515c7fb5b1
commit 0c5568ab74
1 changed files with 127 additions and 115 deletions
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example/lib/main.dart
+127 -115
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@@ -152,38 +152,43 @@ class _ArcaneLoggingExampleState extends State<ArcaneLoggingExample> {
builder: (context, enabledFeatures, _) { builder: (context, enabledFeatures, _) {
return Padding( return Padding(
padding: const EdgeInsets.all(16.0), padding: const EdgeInsets.all(16.0),
child: SizedBox( child: Card(
height: 200, child: SizedBox(
child: Column( height: MediaQuery.sizeOf(context).height / 2,
crossAxisAlignment: CrossAxisAlignment.start, child: Padding(
children: [ padding: const EdgeInsets.all(8.0),
Text( child: Column(
"Logging", crossAxisAlignment: CrossAxisAlignment.start,
style: Theme.of(context).textTheme.headlineSmall, children: [
Text(
"Logging",
style: Theme.of(context).textTheme.headlineSmall,
),
if (latestLogs.isEmpty)
Text(
"Log messages will appear here",
style: Theme.of(context).textTheme.labelSmall?.copyWith(
fontStyle: FontStyle.italic,
),
),
if (Feature.logging.disabled)
Text(
"Logging feature is disabled.",
style: Theme.of(context).textTheme.labelSmall?.copyWith(
fontWeight: FontWeight.bold,
),
),
Expanded(
child: ListView.builder(
itemCount: latestLogs.length,
itemBuilder: (context, index) {
return Text(latestLogs[index]);
},
),
),
],
), ),
if (latestLogs.isEmpty) ),
Text(
"Log messages will appear here",
style: Theme.of(context).textTheme.labelSmall?.copyWith(
fontStyle: FontStyle.italic,
),
),
if (Feature.logging.disabled)
Text(
"Logging feature is disabled.",
style: Theme.of(context).textTheme.labelSmall?.copyWith(
fontWeight: FontWeight.bold,
),
),
Expanded(
child: ListView.builder(
itemCount: latestLogs.length,
itemBuilder: (context, index) {
return Text(latestLogs[index]);
},
),
),
],
), ),
), ),
); );
@@ -544,98 +549,105 @@ class ArcaneServicesExample extends StatelessWidget {
Widget build(BuildContext context) { Widget build(BuildContext context) {
final FavoriteColorService? service = final FavoriteColorService? service =
ArcaneServiceProvider.serviceOfType<FavoriteColorService>(context); ArcaneServiceProvider.serviceOfType<FavoriteColorService>(context);
return Card( final ValueNotifier<MaterialColor?> notifier =
child: Padding( service?.notifier ?? ValueNotifier(null);
padding: const EdgeInsets.all(8.0), return ValueListenableBuilder(
child: Column( valueListenable: notifier,
mainAxisAlignment: MainAxisAlignment.spaceBetween, builder: (context, color, _) {
crossAxisAlignment: CrossAxisAlignment.stretch, return Card(
children: [ child: Padding(
Text( padding: const EdgeInsets.all(8.0),
"Services", child: Column(
style: Theme.of(context).textTheme.headlineSmall, mainAxisAlignment: MainAxisAlignment.spaceBetween,
), crossAxisAlignment: CrossAxisAlignment.stretch,
ValueListenableBuilder( children: [
valueListenable: ArcaneService.ofType<FavoriteColorService>( Text(
context, "Services",
)?.notifier ?? style: Theme.of(context).textTheme.headlineSmall,
ValueNotifier(null), ),
builder: (context, color, _) { Text(
return Text(
color != null ? "Favorite color: ${color.name}" : "", color != null ? "Favorite color: ${color.name}" : "",
); ),
}, ElevatedButton(
), onPressed: () {
ElevatedButton( if (service == null) {
onPressed: () { ArcaneServiceProvider.of(context).addService(
if (service == null) { FavoriteColorService.I,
ArcaneServiceProvider.of(context).addService( );
FavoriteColorService.I,
);
Arcane.log( Arcane.log(
"Service registered.", "Service registered.",
metadata: {"service": "FavoriteColorService"}, metadata: {"service": "FavoriteColorService"},
); );
} else { } else {
ArcaneServiceProvider.of(context) ArcaneServiceProvider.of(context)
.removeService<FavoriteColorService>(); .removeService<FavoriteColorService>();
Arcane.log( Arcane.log(
"Service removed.", "Service removed.",
metadata: {"service": "FavoriteColorService"}, metadata: {"service": "FavoriteColorService"},
); );
} }
}, },
child: Text('${service == null ? 'Register' : 'Remove'} service'), child: Text(
), '${service == null ? 'Register' : 'Remove'} service',
SizedBox( ),
height: 20, ),
child: Row( SizedBox(
mainAxisAlignment: MainAxisAlignment.spaceBetween, height: 20,
spacing: 8, child: Row(
children: [ mainAxisAlignment: MainAxisAlignment.spaceBetween,
const Text("Color"), spacing: 8,
Expanded( children: [
child: ListView.separated( const Text("Color"),
itemCount: colors.length, Expanded(
scrollDirection: Axis.horizontal, child: ListView.separated(
separatorBuilder: (_, __) => const SizedBox(width: 4), itemCount: colors.length,
itemBuilder: (context, index) { scrollDirection: Axis.horizontal,
return InkWell( separatorBuilder: (_, __) => const SizedBox(width: 4),
onTap: () { itemBuilder: (context, index) {
service?.setMyFavoriteColor(colors[index]); return InkWell(
Arcane.log( onTap: () {
"Set a color in FavoriteColorService", if (service == null) {
metadata: { Arcane.log(
"color": colors[index].name ?? "Unknown", "FavoriteColorService is not registered",
);
return;
}
service.setMyFavoriteColor(colors[index]);
Arcane.log(
"Set a color in FavoriteColorService",
metadata: {
"color": colors[index].name ?? "Unknown",
},
);
}, },
child: Container(
decoration: BoxDecoration(
color: colors[index],
border: color?.name == colors[index].name
? Border.all(width: 2)
: null,
),
width: 20,
height: 20,
),
); );
}, },
child: Container( ),
decoration: BoxDecoration( ),
color: colors[index], ],
border: service?.myFavoriteColor?.name ==
colors[index].name
? Border.all(width: 2)
: null,
),
width: 20,
height: 20,
),
);
},
),
), ),
], ),
), Text(
"Service is ${service != null ? "" : "not "}registered",
),
],
), ),
Text( ),
"Service is ${service != null ? "" : "not "}registered", );
), },
],
),
),
); );
} }
} }