262 lines
7.9 KiB
Dart
262 lines
7.9 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import '../../models/device.dart';
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import '../../providers/dashboard_provider.dart';
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import '../../providers/devices_provider.dart';
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import '../../app/theme.dart';
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import '../../utils/i10n.dart';
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import '../../utils/responsive.dart';
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import '../../providers/auth_provider.dart';
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import '../../utils/app_update.dart';
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import '../../utils/permissions.dart';
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import '../../widgets/cloud_card.dart';
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/// 首页：仪表盘概览（底部导航第 1 个 tab）。
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///
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/// 展示设备统计卡片与各模块快捷入口。
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class HomePage extends ConsumerStatefulWidget {
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const HomePage({super.key});
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@override
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ConsumerState<HomePage> createState() => _HomePageState();
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}
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class _HomePageState extends ConsumerState<HomePage> {
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@override
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void initState() {
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super.initState();
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// 加载仪表盘统计（设备/门店总数）。
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Future.microtask(
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() => ref.read(dashboardStatsProvider.notifier).load(),
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);
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// 启动后静默检测新版本（无更新/失败均不打扰，仅会话内首次有更新时弹窗）。
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final orgId = ref.read(authProvider).user?.orgId;
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final ctx = context;
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Future.microtask(() {
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if (!ctx.mounted) return;
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checkAndPromptUpdate(
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ctx,
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silentIfNoUpdate: true,
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orgId: orgId,
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);
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});
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}
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@override
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Widget build(BuildContext context) {
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final devicesAsync = ref.watch(devicesProvider);
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final t = AppLocalizations.of(context);
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return Scaffold(
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appBar: AppBar(title: Text(t.appTitle)),
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body: devicesAsync.when(
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loading: () => const Center(child: CircularProgressIndicator()),
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error: (_, __) => _buildDashboard(context, null),
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data: (devices) => _buildDashboard(context, devices),
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),
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);
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}
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Widget _buildDashboard(BuildContext context, List<Device>? devices) {
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final stats = ref.watch(dashboardStatsProvider);
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final totalCount = stats.deviceTotal;
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final storeTotal = stats.storeTotal;
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// 在线/离线统计改为后端真实聚合值（按 status 拉 totalCount），
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// 不再用首屏列表客户端统计，避免与设备总数（12 万级）严重不符。
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final onlineCount = stats.onlineCount;
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final offlineCount = stats.offlineCount;
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final t = AppLocalizations.of(context);
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// 统计卡配色纳入橙白语义体系（仅改色，图标图形与 size 冻结不动）。
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final scheme = Theme.of(context).colorScheme;
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final semantic = Theme.of(context).extension<AppSemanticColors>();
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return RefreshIndicator(
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onRefresh: () async {
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final _ = await ref.refresh(devicesProvider.future);
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await ref.read(dashboardStatsProvider.notifier).load();
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},
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child: ListView(
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physics: const AlwaysScrollableScrollPhysics(),
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padding: const EdgeInsets.all(16),
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children: [
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_buildBrandBanner(context),
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const SizedBox(height: 16),
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// 统计卡片
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GridView.count(
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crossAxisCount: context.responsive.gridCount(minTileWidth: 300),
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shrinkWrap: true,
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physics: const NeverScrollableScrollPhysics(),
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mainAxisSpacing: 12,
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crossAxisSpacing: 12,
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childAspectRatio: 1.4,
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children: [
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_StatCard(
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title: t.totalDevices,
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value: '$totalCount',
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icon: Icons.devices,
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color: scheme.primary,
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),
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_StatCard(
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title: t.totalStores,
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value: '$storeTotal',
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icon: Icons.store,
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color: scheme.tertiary,
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),
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_StatCard(
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title: t.onlineDevices,
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value: '$onlineCount',
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icon: Icons.check_circle_outline,
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color: semantic?.success ?? scheme.tertiary,
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),
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_StatCard(
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title: t.offlineDevices,
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value: '$offlineCount',
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icon: Icons.highlight_off,
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color: scheme.onSurfaceVariant,
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),
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],
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),
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const SizedBox(height: 24),
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// 快捷操作
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Text(
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t.quickActions,
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 12),
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Row(
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children: [
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Expanded(
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child: _QuickAction(
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label: t.deviceManagement,
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icon: Icons.devices,
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onTap: () => context.go('/device'),
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),
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),
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Expanded(
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child: _QuickAction(
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label: t.storeManagement,
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icon: Icons.store,
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onTap: () => context.go('/store'),
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),
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),
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if (SessionPermissions.canViewUserManagement(
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ref.read(authProvider).user))
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Expanded(
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child: _QuickAction(
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label: t.userManagement,
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icon: Icons.people,
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onTap: () => context.push('/admin/sys/user'),
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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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/// 品牌云卡横幅：首页招牌区块（橙→金渐变）。
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Widget _buildBrandBanner(BuildContext context) {
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final t = AppLocalizations.of(context);
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return CloudCard(
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child: Row(
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children: [
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const Icon(Icons.cloud, size: 36),
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const SizedBox(width: 14),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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t.appHeroTitle,
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style: const TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 4),
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const Text(
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'终端管控·内容运营·门店管理',
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style: TextStyle(fontSize: 13),
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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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class _StatCard extends StatelessWidget {
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const _StatCard({
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required this.title,
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required this.value,
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required this.icon,
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required this.color,
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});
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final String title;
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final String value;
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final IconData icon;
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final Color color;
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@override
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Widget build(BuildContext context) {
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return Card(
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(icon, color: color, size: 28),
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const SizedBox(height: 8),
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Text(
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value,
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style: Theme.of(context).textTheme.headlineSmall?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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Text(title, style: Theme.of(context).textTheme.bodySmall),
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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 _QuickAction extends StatelessWidget {
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const _QuickAction({
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required this.label,
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required this.icon,
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required this.onTap,
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});
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final String label;
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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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return InkWell(
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onTap: onTap,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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CircleAvatar(
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backgroundColor: Theme.of(context).colorScheme.primaryContainer,
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child: Icon(icon, color: Theme.of(context).colorScheme.primary),
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),
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const SizedBox(height: 4),
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Text(label, style: Theme.of(context).textTheme.bodySmall),
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],
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),
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);
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}
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}
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