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80 lines
2.5 KiB
Dart
80 lines
2.5 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'template.dart';
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class ChipActionTemplate extends TokenTemplate {
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const ChipActionTemplate(super.blockName, super.fileName, super.tokens);
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static const String tokenGroup = 'md.comp.assist-chip';
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static const String variant = '.flat';
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@override
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String generate() => '''
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class _${blockName}DefaultsM3 extends ChipThemeData {
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const _${blockName}DefaultsM3(this.context, this.isEnabled)
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: super(
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elevation: ${elevation("$tokenGroup$variant.container")},
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shape: ${shape("$tokenGroup.container")},
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showCheckmark: true,
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);
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final BuildContext context;
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final bool isEnabled;
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@override
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TextStyle? get labelStyle => ${textStyle("$tokenGroup.label-text")};
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@override
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Color? get backgroundColor => ${componentColor("$tokenGroup$variant.container")};
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@override
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Color? get shadowColor => ${color("$tokenGroup.container.shadow-color")};
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@override
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@override Color? get surfaceTintColor => ${color("$tokenGroup.container.surface-tint-layer.color")};
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@override
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Color? get selectedColor => ${componentColor("$tokenGroup$variant.selected.container")};
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@override
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Color? get checkmarkColor => ${color("$tokenGroup.with-icon.selected.icon.color")};
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@override
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Color? get disabledColor => ${componentColor("$tokenGroup$variant.disabled.container")};
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@override
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Color? get deleteIconColor => ${color("$tokenGroup.with-icon.selected.icon.color")};
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@override
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BorderSide? get side => isEnabled
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? ${border('$tokenGroup$variant.outline')}
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: ${border('$tokenGroup$variant.disabled.outline')};
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@override
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IconThemeData? get iconTheme => IconThemeData(
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color: isEnabled
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? ${color("$tokenGroup.with-icon.icon.color")}
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: ${color("$tokenGroup.with-icon.disabled.icon.color")},
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size: ${tokens["$tokenGroup.with-icon.icon.size"]},
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);
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@override
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EdgeInsetsGeometry? get padding => const EdgeInsets.all(8.0);
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/// The chip at text scale 1 starts with 8px on each side and as text scaling
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/// gets closer to 2 the label padding is linearly interpolated from 8px to 4px.
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/// Once the widget has a text scaling of 2 or higher than the label padding
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/// remains 4px.
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@override
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EdgeInsetsGeometry? get labelPadding => EdgeInsets.lerp(
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const EdgeInsets.symmetric(horizontal: 8.0),
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const EdgeInsets.symmetric(horizontal: 4.0),
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clampDouble(MediaQuery.of(context).textScaleFactor - 1.0, 0.0, 1.0),
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)!;
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}
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''';
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}
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