267 lines
9.5 KiB
Dart
267 lines
9.5 KiB
Dart
import 'package:flutter/material.dart';
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import '../i18n/app_language.dart';
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import '../models/app_models.dart';
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import '../theme/app_palette.dart';
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import '../web/web_assistant_page.dart';
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import '../web/web_settings_page.dart';
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import '../widgets/app_brand_logo.dart';
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import 'app_controller_web.dart';
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class AppShell extends StatelessWidget {
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const AppShell({super.key, required this.controller});
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final AppController controller;
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@override
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Widget build(BuildContext context) {
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return AnimatedBuilder(
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animation: controller,
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builder: (context, _) {
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final availableDestinations =
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<WorkspaceDestination>[
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WorkspaceDestination.assistant,
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WorkspaceDestination.settings,
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]
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.where(controller.capabilities.supportsDestination)
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.toList(growable: false);
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final currentDestination =
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availableDestinations.contains(controller.destination)
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? controller.destination
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: (availableDestinations.isEmpty
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? WorkspaceDestination.assistant
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: availableDestinations.first);
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return Scaffold(
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body: SafeArea(
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bottom: false,
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child: LayoutBuilder(
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builder: (context, constraints) {
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final mobile = constraints.maxWidth < 900;
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if (mobile) {
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return Column(
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children: [
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Expanded(
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child: _buildPage(
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controller,
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destination: currentDestination,
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),
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),
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Padding(
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padding: const EdgeInsets.fromLTRB(12, 8, 12, 12),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(24),
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child: NavigationBar(
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selectedIndex: availableDestinations.indexOf(
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currentDestination,
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),
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onDestinationSelected: (index) {
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controller.navigateTo(
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availableDestinations[index],
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);
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},
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destinations: availableDestinations
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.map(
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(destination) => NavigationDestination(
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icon: Icon(destination.icon),
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label: destination.label,
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),
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)
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.toList(growable: false),
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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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final palette = context.palette;
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return Row(
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children: [
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Container(
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width: 76,
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margin: const EdgeInsets.fromLTRB(4, 4, 0, 4),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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palette.chromeHighlight.withValues(alpha: 0.94),
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palette.chromeSurface.withValues(alpha: 0.92),
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],
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),
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borderRadius: BorderRadius.circular(24),
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border: Border.all(color: palette.chromeStroke),
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boxShadow: [palette.chromeShadowAmbient],
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),
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child: Padding(
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padding: const EdgeInsets.fromLTRB(10, 12, 10, 10),
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child: Column(
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children: [
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Container(
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width: 52,
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height: 52,
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decoration: BoxDecoration(
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color: palette.surfacePrimary,
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borderRadius: BorderRadius.circular(16),
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border: Border.all(color: palette.strokeSoft),
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),
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child: const Center(
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child: AppBrandLogo(size: 28, borderRadius: 8),
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),
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),
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const SizedBox(height: 18),
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...availableDestinations.map(
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(destination) => Padding(
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padding: const EdgeInsets.only(bottom: 8),
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child: _WebNavRailButton(
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key: Key('web-shell-nav-${destination.name}'),
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destination: destination,
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selected: currentDestination == destination,
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onTap: () =>
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controller.navigateTo(destination),
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),
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),
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),
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const Spacer(),
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_WebUtilityButton(
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key: const Key('web-shell-language-toggle'),
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tooltip: controller.appLanguage == AppLanguage.zh
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? '中文'
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: 'English',
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icon: Icons.translate_rounded,
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onTap: controller.toggleAppLanguage,
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),
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const SizedBox(height: 8),
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_WebUtilityButton(
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key: const Key('web-shell-theme-toggle'),
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tooltip: _themeLabel(controller.themeMode),
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icon: controller.themeMode == ThemeMode.dark
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? Icons.dark_mode_rounded
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: Icons.light_mode_rounded,
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onTap: () => controller.setThemeMode(
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controller.themeMode == ThemeMode.dark
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? ThemeMode.light
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: ThemeMode.dark,
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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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Expanded(
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child: _buildPage(
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controller,
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destination: currentDestination,
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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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);
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},
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);
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}
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Widget _buildPage(
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AppController controller, {
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required WorkspaceDestination destination,
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}) {
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return switch (destination) {
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WorkspaceDestination.settings => WebSettingsPage(controller: controller),
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_ => WebAssistantPage(controller: controller),
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};
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}
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}
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class _WebNavRailButton extends StatelessWidget {
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const _WebNavRailButton({
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super.key,
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required this.destination,
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required this.selected,
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required this.onTap,
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});
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final WorkspaceDestination destination;
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final bool selected;
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final VoidCallback onTap;
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@override
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Widget build(BuildContext context) {
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final palette = context.palette;
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return Tooltip(
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message: destination.label,
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child: InkWell(
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borderRadius: BorderRadius.circular(16),
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onTap: onTap,
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child: AnimatedContainer(
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duration: const Duration(milliseconds: 180),
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curve: Curves.easeOutCubic,
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width: 52,
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height: 52,
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decoration: BoxDecoration(
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color: selected ? palette.accentMuted : palette.surfacePrimary,
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borderRadius: BorderRadius.circular(16),
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border: Border.all(
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color: selected
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? palette.accent.withValues(alpha: 0.28)
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: palette.strokeSoft,
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),
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boxShadow: selected ? [palette.chromeShadowLift] : null,
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),
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child: Icon(
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destination.icon,
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size: 22,
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color: selected ? palette.accent : palette.textSecondary,
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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 _WebUtilityButton extends StatelessWidget {
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const _WebUtilityButton({
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super.key,
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required this.tooltip,
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required this.icon,
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required this.onTap,
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});
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final String tooltip;
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final IconData icon;
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final VoidCallback onTap;
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@override
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Widget build(BuildContext context) {
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final palette = context.palette;
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return Tooltip(
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message: tooltip,
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child: InkWell(
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borderRadius: BorderRadius.circular(14),
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onTap: onTap,
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child: Container(
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width: 52,
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height: 44,
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decoration: BoxDecoration(
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color: palette.surfacePrimary,
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: palette.strokeSoft),
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),
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child: Icon(icon, size: 20, color: palette.textSecondary),
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),
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),
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);
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}
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}
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String _themeLabel(ThemeMode mode) {
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return switch (mode) {
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ThemeMode.dark => appText('深色', 'Dark'),
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ThemeMode.system => appText('跟随系统', 'System'),
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ThemeMode.light => appText('浅色', 'Light'),
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};
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}
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