blob: e25fc8eec4ea57cfd9f711c6c719982ff699a522 [file] [log] [blame]
// 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 CheckboxTemplate extends TokenTemplate {
const CheckboxTemplate(super.blockName, super.fileName, super.tokens, {
super.colorSchemePrefix = '_colors.',
});
@override
String generate() => '''
class _${blockName}DefaultsM3 extends CheckboxThemeData {
_${blockName}DefaultsM3(BuildContext context)
: _theme = Theme.of(context),
_colors = Theme.of(context).colorScheme;
final ThemeData _theme;
final ColorScheme _colors;
@override
MaterialStateProperty<Color> get fillColor {
return MaterialStateProperty.resolveWith((Set<MaterialState> states) {
if (states.contains(MaterialState.disabled)) {
return ${componentColor('md.comp.checkbox.selected.disabled.container')};
}
if (states.contains(MaterialState.error)) {
return ${componentColor('md.comp.checkbox.unselected.error.outline')};
}
if (states.contains(MaterialState.selected)) {
return ${componentColor('md.comp.checkbox.selected.container')};
}
if (states.contains(MaterialState.pressed)) {
return ${componentColor('md.comp.checkbox.unselected.pressed.outline')};
}
if (states.contains(MaterialState.hovered)) {
return ${componentColor('md.comp.checkbox.unselected.hover.outline')};
}
if (states.contains(MaterialState.focused)) {
return ${componentColor('md.comp.checkbox.unselected.focus.outline')};
}
return ${componentColor('md.comp.checkbox.unselected.outline')};
});
}
@override
MaterialStateProperty<Color> get checkColor {
return MaterialStateProperty.resolveWith((Set<MaterialState> states) {
if (states.contains(MaterialState.disabled)) {
if (states.contains(MaterialState.selected)) {
return ${componentColor('md.comp.checkbox.selected.disabled.icon')};
}
return Colors.transparent; // No icons available when the checkbox is unselected.
}
if (states.contains(MaterialState.selected)) {
if (states.contains(MaterialState.error)) {
return ${componentColor('md.comp.checkbox.selected.error.icon')};
}
return ${componentColor('md.comp.checkbox.selected.icon')};
}
return Colors.transparent; // No icons available when the checkbox is unselected.
});
}
@override
MaterialStateProperty<Color> get overlayColor {
return MaterialStateProperty.resolveWith((Set<MaterialState> states) {
if (states.contains(MaterialState.error)) {
if (states.contains(MaterialState.pressed)) {
return ${componentColor('md.comp.checkbox.error.pressed.state-layer')};
}
if (states.contains(MaterialState.hovered)) {
return ${componentColor('md.comp.checkbox.error.hover.state-layer')};
}
if (states.contains(MaterialState.focused)) {
return ${componentColor('md.comp.checkbox.error.focus.state-layer')};
}
}
if (states.contains(MaterialState.selected)) {
if (states.contains(MaterialState.pressed)) {
return ${componentColor('md.comp.checkbox.selected.pressed.state-layer')};
}
if (states.contains(MaterialState.hovered)) {
return ${componentColor('md.comp.checkbox.selected.hover.state-layer')};
}
if (states.contains(MaterialState.focused)) {
return ${componentColor('md.comp.checkbox.selected.focus.state-layer')};
}
return Colors.transparent;
}
if (states.contains(MaterialState.pressed)) {
return ${componentColor('md.comp.checkbox.unselected.pressed.state-layer')};
}
if (states.contains(MaterialState.hovered)) {
return ${componentColor('md.comp.checkbox.unselected.hover.state-layer')};
}
if (states.contains(MaterialState.focused)) {
return ${componentColor('md.comp.checkbox.unselected.focus.state-layer')};
}
return Colors.transparent;
});
}
@override
double get splashRadius => ${tokens['md.comp.checkbox.state-layer.size']} / 2;
@override
MaterialTapTargetSize get materialTapTargetSize => _theme.materialTapTargetSize;
@override
VisualDensity get visualDensity => _theme.visualDensity;
@override
OutlinedBorder get shape => const RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(${tokens['md.comp.checkbox.unselected.outline.width']})),
);
}
''';
}