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Add expanded and linearMainAxisAlignment options to ButtonGroupM3E for improved layout control

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This commit is contained in:
Emily Pauli 2025-11-12 14:17:00 +01:00
commit 76daccbc71
6 changed files with 101 additions and 27 deletions
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56
apps/gallery/lib/sections/button_group_section.dart
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@ -39,6 +39,14 @@ class ButtonGroupSection extends StatelessWidget {
title: 'ButtonGroupM3E — vertical, menu overflow',
child: _demoVertical(context),
),
SectionCard(
title: 'ButtonGroupM3E — centered (expanded)',
child: _demoAlignedCenter(context),
),
SectionCard(
title: 'ButtonGroupM3E — right aligned (expanded)',
child: _demoAlignedRight(context),
),
],
);
}
@ -48,14 +56,7 @@ class ButtonGroupSection extends StatelessWidget {
width: 280,
child: ButtonGroupM3E(
actions: [
for (final label in [
'One',
'Two',
'Three',
'Four',
'Five Button',
'Six'
])
for (final label in ['One', 'Two', 'Three', 'Four', 'Five', 'Six'])
ButtonGroupM3EAction(label: Text(label), onPressed: () {}),
],
),
@ -97,10 +98,10 @@ class ButtonGroupSection extends StatelessWidget {
child: ButtonGroupM3E(
type: ButtonGroupM3EType.connected,
dividerColor: Theme.of(context).colorScheme.outlineVariant,
style: ButtonM3EStyle.tonal,
actions: [
for (final label in ['Low', 'Med', 'High'])
ButtonGroupM3EAction(
style: ButtonM3EStyle.tonal,
label: Text(label),
onPressed: () {},
),
@ -136,15 +137,9 @@ class ButtonGroupSection extends StatelessWidget {
dividerColor: Theme.of(context).colorScheme.outlineVariant,
style: ButtonM3EStyle.tonal,
actions: [
for (final label in [
'One',
'Two',
'Three',
'Four',
'Five Button',
'Six'
])
for (final label in ['One', 'Two', 'Three', 'Four', 'Five', 'Six'])
ButtonGroupM3EAction(
style: ButtonM3EStyle.tonal,
label: Text(label),
onPressed: () {},
),
@ -165,4 +160,31 @@ class ButtonGroupSection extends StatelessWidget {
),
);
}
Widget _demoAlignedCenter(BuildContext context) {
return ButtonGroupM3E(
expanded: true,
linearMainAxisAlignment: MainAxisAlignment.center,
actions: const [
ButtonGroupM3EAction(label: Text('Center 1')),
ButtonGroupM3EAction(label: Text('Center 2')),
ButtonGroupM3EAction(label: Text('Center 3')),
],
);
}
Widget _demoAlignedRight(BuildContext context) {
return ButtonGroupM3E(
expanded: true,
linearMainAxisAlignment: MainAxisAlignment.end,
overflow: ButtonGroupM3EOverflow.menu,
actions: const [
ButtonGroupM3EAction(label: Text('Right 1')),
ButtonGroupM3EAction(label: Text('Right 2')),
ButtonGroupM3EAction(label: Text('Right 3')),
ButtonGroupM3EAction(label: Text('Right 4')),
ButtonGroupM3EAction(label: Text('Right 5')),
],
);
}
}