// 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 FABTemplate extends TokenTemplate { const FABTemplate(super.blockName, super.fileName, super.tokens, { super.colorSchemePrefix = '_colors.', super.textThemePrefix = '_textTheme.', }); @override String generate() => ''' class _${blockName}DefaultsM3 extends FloatingActionButtonThemeData { _${blockName}DefaultsM3(this.context, this.type, this.hasChild) : super( elevation: ${elevation("md.comp.fab.primary.container")}, focusElevation: ${elevation("md.comp.fab.primary.focus.container")}, hoverElevation: ${elevation("md.comp.fab.primary.hover.container")}, highlightElevation: ${elevation("md.comp.fab.primary.pressed.container")}, enableFeedback: true, sizeConstraints: const BoxConstraints.tightFor( width: ${getToken("md.comp.fab.primary.container.width")}, height: ${getToken("md.comp.fab.primary.container.height")}, ), smallSizeConstraints: const BoxConstraints.tightFor( width: ${getToken("md.comp.fab.primary.small.container.width")}, height: ${getToken("md.comp.fab.primary.small.container.height")}, ), largeSizeConstraints: const BoxConstraints.tightFor( width: ${getToken("md.comp.fab.primary.large.container.width")}, height: ${getToken("md.comp.fab.primary.large.container.height")}, ), extendedSizeConstraints: const BoxConstraints.tightFor( height: ${getToken("md.comp.extended-fab.primary.container.height")}, ), extendedIconLabelSpacing: 8.0, ); final BuildContext context; final _FloatingActionButtonType type; final bool hasChild; late final ColorScheme _colors = Theme.of(context).colorScheme; late final TextTheme _textTheme = Theme.of(context).textTheme; bool get _isExtended => type == _FloatingActionButtonType.extended; @override Color? get foregroundColor => ${componentColor("md.comp.fab.primary.icon")}; @override Color? get backgroundColor => ${componentColor("md.comp.fab.primary.container")}; @override Color? get splashColor => ${componentColor("md.comp.fab.primary.pressed.state-layer")}; @override Color? get focusColor => ${componentColor("md.comp.fab.primary.focus.state-layer")}; @override Color? get hoverColor => ${componentColor("md.comp.fab.primary.hover.state-layer")}; @override ShapeBorder? get shape { switch (type) { case _FloatingActionButtonType.regular: return ${shape("md.comp.fab.primary.container")}; case _FloatingActionButtonType.small: return ${shape("md.comp.fab.primary.small.container")}; case _FloatingActionButtonType.large: return ${shape("md.comp.fab.primary.large.container")}; case _FloatingActionButtonType.extended: return ${shape("md.comp.extended-fab.primary.container")}; } } @override double? get iconSize { switch (type) { case _FloatingActionButtonType.regular: return ${getToken("md.comp.fab.primary.icon.size")}; case _FloatingActionButtonType.small: return ${getToken("md.comp.fab.primary.small.icon.size")}; case _FloatingActionButtonType.large: return ${getToken("md.comp.fab.primary.large.icon.size")}; case _FloatingActionButtonType.extended: return ${getToken("md.comp.extended-fab.primary.icon.size")}; } } @override EdgeInsetsGeometry? get extendedPadding => EdgeInsetsDirectional.only(start: hasChild && _isExtended ? 16.0 : 20.0, end: 20.0); @override TextStyle? get extendedTextStyle => ${textStyle("md.comp.extended-fab.primary.label-text")}; } '''; }