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157
lib/common/widgets/flutter/popup_menu.dart
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157
lib/common/widgets/flutter/popup_menu.dart
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// 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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library;
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import 'package:flutter/material.dart';
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class CustomPopupMenuItem<T> extends PopupMenuEntry<T> {
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const CustomPopupMenuItem({
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super.key,
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this.value,
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this.height = kMinInteractiveDimension,
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required this.child,
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});
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final T? value;
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@override
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final double height;
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final Widget? child;
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@override
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bool represents(T? value) => value == this.value;
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@override
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CustomPopupMenuItemState<T, CustomPopupMenuItem<T>> createState() =>
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CustomPopupMenuItemState<T, CustomPopupMenuItem<T>>();
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}
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class CustomPopupMenuItemState<T, W extends CustomPopupMenuItem<T>>
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extends State<W> {
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@protected
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@override
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Widget build(BuildContext context) {
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final PopupMenuThemeData popupMenuTheme = PopupMenuTheme.of(context);
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const Set<WidgetState> states = <WidgetState>{};
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final style =
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popupMenuTheme.labelTextStyle?.resolve(states)! ??
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_PopupMenuDefaultsM3(context).labelTextStyle!.resolve(states)!;
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return ListTileTheme.merge(
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contentPadding: .zero,
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titleTextStyle: style,
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child: AnimatedDefaultTextStyle(
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style: style,
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duration: kThemeChangeDuration,
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child: ConstrainedBox(
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constraints: BoxConstraints(minHeight: widget.height),
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child: Padding(
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padding: _PopupMenuDefaultsM3.menuItemPadding,
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child: Align(
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alignment: AlignmentDirectional.centerStart,
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child: widget.child,
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),
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),
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),
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),
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);
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}
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}
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class CustomPopupMenuDivider extends PopupMenuEntry<Never> {
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const CustomPopupMenuDivider({
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super.key,
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required this.height,
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this.thickness,
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this.indent,
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this.endIndent,
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this.radius,
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});
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@override
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final double height;
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final double? thickness;
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final double? indent;
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final double? endIndent;
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final BorderRadiusGeometry? radius;
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@override
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bool represents(void value) => false;
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@override
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State<CustomPopupMenuDivider> createState() => _CustomPopupMenuDividerState();
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}
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class _CustomPopupMenuDividerState extends State<CustomPopupMenuDivider> {
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@override
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Widget build(BuildContext context) {
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return Divider(
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height: widget.height,
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thickness: widget.thickness,
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indent: widget.indent,
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color: ColorScheme.of(context).outline.withValues(alpha: 0.2),
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endIndent: widget.endIndent,
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radius: widget.radius,
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);
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}
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}
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// BEGIN GENERATED TOKEN PROPERTIES - PopupMenu
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// Do not edit by hand. The code between the "BEGIN GENERATED" and
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// "END GENERATED" comments are generated from data in the Material
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// Design token database by the script:
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// dev/tools/gen_defaults/bin/gen_defaults.dart.
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// dart format off
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class _PopupMenuDefaultsM3 extends PopupMenuThemeData {
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_PopupMenuDefaultsM3(this.context)
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: super(elevation: 3.0);
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final BuildContext context;
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late final ThemeData _theme = Theme.of(context);
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late final ColorScheme _colors = _theme.colorScheme;
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late final TextTheme _textTheme = _theme.textTheme;
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@override WidgetStateProperty<TextStyle?>? get labelTextStyle {
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return WidgetStateProperty.resolveWith((Set<WidgetState> states) {
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// TODO(quncheng): Update this hard-coded value to use the latest tokens.
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final TextStyle style = _textTheme.labelLarge!;
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if (states.contains(WidgetState.disabled)) {
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return style.apply(color: _colors.onSurface.withValues(alpha: 0.38));
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}
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return style.apply(color: _colors.onSurface);
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});
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}
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@override
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Color? get color => _colors.surfaceContainer;
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@override
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Color? get shadowColor => _colors.shadow;
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@override
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Color? get surfaceTintColor => Colors.transparent;
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@override
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ShapeBorder? get shape => const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(4.0)));
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// TODO(bleroux): This is taken from https://m3.material.io/components/menus/specs
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// Update this when the token is available.
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@override
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EdgeInsets? get menuPadding => const EdgeInsets.symmetric(vertical: 8.0);
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// TODO(tahatesser): This is taken from https://m3.material.io/components/menus/specs
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// Update this when the token is available.
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static EdgeInsets menuItemPadding = const EdgeInsets.symmetric(horizontal: 12.0);
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}// dart format on
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// END GENERATED TOKEN PROPERTIES - PopupMenu
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