74 lines
2.2 KiB
Dart
74 lines
2.2 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../controller/peers_controller.dart';
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import '../widgets/peer_card.dart';
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import '../../../shared/widgets/empty_state.dart';
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class PeersPage extends ConsumerWidget {
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const PeersPage({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final peersAsync = ref.watch(peersControllerProvider);
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return Scaffold(
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appBar: AppBar(
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title: const Text('Peers Discovery'),
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actions: [
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IconButton(
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tooltip: '刷新',
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onPressed: () =>
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ref.read(peersControllerProvider.notifier).refresh(),
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icon: const Icon(Icons.refresh_rounded),
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),
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],
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),
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body: peersAsync.when(
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loading: () => const Center(child: CircularProgressIndicator()),
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error: (error, _) => AppEmptyState(
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icon: Icons.cloud_off_rounded,
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title: '发现失败',
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message: error.toString(),
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action: FilledButton.icon(
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onPressed: () =>
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ref.read(peersControllerProvider.notifier).refresh(),
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icon: const Icon(Icons.refresh_rounded),
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label: const Text('重试'),
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),
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),
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data: (peers) {
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if (peers.isEmpty) {
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return AppEmptyState(
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icon: Icons.wifi_tethering,
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title: '扫描中',
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message: '请确认局域网连接和防火墙配置。',
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);
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}
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final width = MediaQuery.sizeOf(context).width;
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final columns = width >= 1320
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? 4
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: width >= 1100
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? 3
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: width >= 720
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? 2
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: 1;
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return GridView.builder(
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padding: const EdgeInsets.all(16),
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: columns,
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mainAxisSpacing: 12,
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crossAxisSpacing: 12,
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childAspectRatio: 1.36,
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),
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itemCount: peers.length,
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itemBuilder: (context, index) => PeerCard(peer: peers[index]),
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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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