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// 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: ${tokens["md.comp.fab.primary.container.width"]},
height: ${tokens["md.comp.fab.primary.container.height"]},
),
smallSizeConstraints: const BoxConstraints.tightFor(
width: ${tokens["md.comp.fab.primary.small.container.width"]},
height: ${tokens["md.comp.fab.primary.small.container.height"]},
),
largeSizeConstraints: const BoxConstraints.tightFor(
width: ${tokens["md.comp.fab.primary.large.container.width"]},
height: ${tokens["md.comp.fab.primary.large.container.height"]},
),
extendedSizeConstraints: const BoxConstraints.tightFor(
height: ${tokens["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 ${tokens["md.comp.fab.primary.icon.size"]};
case _FloatingActionButtonType.small: return ${tokens["md.comp.fab.primary.small.icon.size"]};
case _FloatingActionButtonType.large: return ${tokens["md.comp.fab.primary.large.icon.size"]};
case _FloatingActionButtonType.extended: return ${tokens["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")};
}
''';
}