flutter/dev/tools/gen_defaults/lib/slider_template.dart
Taha Tesser d24a28b806
Cleanup M3 token templates for theme lookups (#122601)
Cleanup M3 token templates for theme lookups
2023-03-14 17:01:13 +00:00

85 lines
2.7 KiB
Dart

// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'template.dart';
class SliderTemplate extends TokenTemplate {
const SliderTemplate(this.tokenGroup, super.blockName, super.fileName, super.tokens, {
super.colorSchemePrefix = '_colors.',
});
final String tokenGroup;
@override
String generate() => '''
class _${blockName}DefaultsM3 extends SliderThemeData {
_${blockName}DefaultsM3(this.context)
: super(trackHeight: ${tokens['$tokenGroup.active.track.height']});
final BuildContext context;
late final ColorScheme _colors = Theme.of(context).colorScheme;
@override
Color? get activeTrackColor => ${componentColor('$tokenGroup.active.track')};
@override
Color? get inactiveTrackColor => ${componentColor('$tokenGroup.inactive.track')};
@override
Color? get secondaryActiveTrackColor => _colors.primary.withOpacity(0.54);
@override
Color? get disabledActiveTrackColor => ${componentColor('$tokenGroup.disabled.active.track')};
@override
Color? get disabledInactiveTrackColor => ${componentColor('$tokenGroup.disabled.inactive.track')};
@override
Color? get disabledSecondaryActiveTrackColor => _colors.onSurface.withOpacity(0.12);
@override
Color? get activeTickMarkColor => ${componentColor('$tokenGroup.with-tick-marks.active.container')};
@override
Color? get inactiveTickMarkColor => ${componentColor('$tokenGroup.with-tick-marks.inactive.container')};
@override
Color? get disabledActiveTickMarkColor => ${componentColor('$tokenGroup.with-tick-marks.disabled.container')};
@override
Color? get disabledInactiveTickMarkColor => ${componentColor('$tokenGroup.with-tick-marks.disabled.container')};
@override
Color? get thumbColor => ${componentColor('$tokenGroup.handle')};
@override
Color? get disabledThumbColor => Color.alphaBlend(${componentColor('$tokenGroup.disabled.handle')}, _colors.surface);
@override
Color? get overlayColor => MaterialStateColor.resolveWith((Set<MaterialState> states) {
if (states.contains(MaterialState.hovered)) {
return ${componentColor('$tokenGroup.hover.state-layer')};
}
if (states.contains(MaterialState.focused)) {
return ${componentColor('$tokenGroup.focus.state-layer')};
}
if (states.contains(MaterialState.dragged)) {
return ${componentColor('$tokenGroup.pressed.state-layer')};
}
return Colors.transparent;
});
@override
TextStyle? get valueIndicatorTextStyle => ${textStyle('$tokenGroup.label.label-text')}!.copyWith(
color: ${componentColor('$tokenGroup.label.label-text')},
);
@override
SliderComponentShape? get valueIndicatorShape => const DropSliderValueIndicatorShape();
}
''';
}