flutter/dev/tools/gen_defaults/lib/fab_template.dart

91 lines
3.8 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 FABTemplate extends TokenTemplate {
const FABTemplate(String fileName, Map<String, dynamic> tokens) : super(fileName, tokens);
@override
String generate() => '''
// Generated version ${tokens["version"]}, ${tokens["date"]}
class _M3Defaults extends FloatingActionButtonThemeData {
_M3Defaults(this.context, this.type, this.hasChild)
: _colors = Theme.of(context).colorScheme,
_textTheme = Theme.of(context).textTheme;
final BuildContext context;
final _FloatingActionButtonType type;
final bool hasChild;
final ColorScheme _colors;
final TextTheme _textTheme;
bool get _isExtended => type == _FloatingActionButtonType.extended;
@override Color? get foregroundColor => _colors.${color("md.comp.fab.primary.icon")};
@override Color? get backgroundColor => _colors.${color("md.comp.fab.primary.container")};
@override Color? get splashColor => _colors.${color("md.comp.fab.primary.pressed.state-layer")};
@override double get elevation => ${elevation("md.comp.fab.primary.container")};
@override Color? get focusColor => _colors.${color("md.comp.fab.primary.focus.state-layer")};
@override double get focusElevation => ${elevation("md.comp.fab.primary.focus.container")};
@override Color? get hoverColor => _colors.${color("md.comp.fab.primary.hover.state-layer")};
@override double get hoverElevation => ${elevation("md.comp.fab.primary.hover.container")};
@override double get highlightElevation => ${elevation("md.comp.fab.primary.pressed.container")};
@override
ShapeBorder? get shape {
switch (type) {
case _FloatingActionButtonType.regular:
return ${shape("md.comp.fab.primary.container.shape")};
case _FloatingActionButtonType.small:
return ${shape("md.comp.fab.primary.small.container.shape")};
case _FloatingActionButtonType.large:
return ${shape("md.comp.fab.primary.large.container.shape")};
case _FloatingActionButtonType.extended:
return ${shape("md.comp.extended-fab.primary.container.shape")};
}
}
@override bool? get enableFeedback => true;
@override
double? get iconSize {
switch (type) {
case _FloatingActionButtonType.regular: return ${value("md.comp.fab.primary.icon.size")};
case _FloatingActionButtonType.small: return ${value("md.comp.fab.primary.small.icon.size")};
case _FloatingActionButtonType.large: return ${value("md.comp.fab.primary.large.icon.size")};
case _FloatingActionButtonType.extended: return ${value("md.comp.extended-fab.primary.icon.size")};
}
}
@override
BoxConstraints? get sizeConstraints => const BoxConstraints.tightFor(
width: ${value("md.comp.fab.primary.container.width")},
height: ${value("md.comp.fab.primary.container.height")},
);
@override
BoxConstraints? get smallSizeConstraints => const BoxConstraints.tightFor(
width: ${value("md.comp.fab.primary.small.container.width")},
height: ${value("md.comp.fab.primary.small.container.height")},
);
@override
BoxConstraints? get largeSizeConstraints => const BoxConstraints.tightFor(
width: ${value("md.comp.fab.primary.large.container.width")},
height: ${value("md.comp.fab.primary.large.container.height")},
);
@override
BoxConstraints? get extendedSizeConstraints => const BoxConstraints.tightFor(
height: ${value("md.comp.extended-fab.primary.container.height")},
);
@override double? get extendedIconLabelSpacing => 8.0;
@override EdgeInsetsGeometry? get extendedPadding => EdgeInsetsDirectional.only(start: hasChild && _isExtended ? 16.0 : 20.0, end: 20.0);
@override TextStyle? get extendedTextStyle => _textTheme.${textStyle("md.comp.extended-fab.primary.label-text")};
}
''';
}