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Enhance theme management with StreamBuilder for dynamic updates

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Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>
This commit is contained in:
Hans Kokx
2025-07-01 08:54:10 +02:00
parent 93f90a3f72
commit 1e84e8f648
2 changed files with 204 additions and 114 deletions
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example/lib/main.dart
+52 -41
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@@ -270,6 +270,9 @@ class ArcaneThemeExample extends StatelessWidget {
super.key,
});
static final Listenable themeListenable =
Listenable.merge([Arcane.theme.darkTheme, Arcane.theme.lightTheme]);
@override
Widget build(BuildContext context) {
return Card(
@@ -355,49 +358,57 @@ class ArcaneThemeExample extends StatelessWidget {
children: [
const Text("Color"),
Expanded(
child: ListView.separated(
itemCount: colors.length,
scrollDirection: Axis.horizontal,
separatorBuilder: (_, __) => const SizedBox(width: 4),
itemBuilder: (context, index) {
return InkWell(
onTap: () {
if (Arcane.theme.currentThemeMode ==
ThemeMode.dark) {
Arcane.theme.setDarkTheme(
ThemeData(
brightness: Brightness.dark,
colorSchemeSeed: colors[index],
),
);
} else if (Arcane.theme.currentThemeMode ==
ThemeMode.light) {
Arcane.theme.setLightTheme(
ThemeData(
brightness: Brightness.light,
colorSchemeSeed: colors[index],
),
);
}
child: StreamBuilder(
stream: Arcane.theme.themeDataChanges,
builder: (context, themeData) => ListView.separated(
itemCount: colors.length,
scrollDirection: Axis.horizontal,
separatorBuilder: (_, __) => const SizedBox(width: 4),
itemBuilder: (context, index) {
return InkWell(
onTap: () {
if (context.themeMode == ThemeMode.dark) {
Arcane.theme.setDarkTheme(
ThemeData(
brightness: Brightness.dark,
colorSchemeSeed: colors[index],
),
);
} else if (context.themeMode == ThemeMode.light) {
Arcane.theme.setLightTheme(
ThemeData(
brightness: Brightness.light,
colorSchemeSeed: colors[index],
),
);
}
Arcane.log(
"Setting ${Arcane.theme.currentThemeMode.name} theme color to ${colors[index].name}",
);
},
child: Container(
decoration: BoxDecoration(
color: colors[index],
border: Arcane.theme.currentTheme.colorScheme
.primary.name ==
colors[index].name
? Border.all(width: 2)
: null,
Arcane.log(
"Setting ${Arcane.theme.currentThemeMode.name} theme color to ${colors[index].name}",
);
},
child: StreamBuilder<ThemeMode>(
stream: Arcane.theme.themeModeChanges,
builder: (context, themeMode) {
return Container(
key:
Key("${colors[index]}-${themeMode.data}"),
decoration: BoxDecoration(
color: colors[index],
border: themeData.data?.colorScheme.primary
.name ==
colors[index].name
? Border.all(width: 2)
: null,
),
width: 20,
height: 20,
);
},
),
width: 20,
height: 20,
),
);
},
);
},
),
),
),
],