wangjia
e89f3de748
- selectedNodeCodeProvider 改为持久化 StateNotifier(select() 落盘、启动恢复,默认智能 AUTO); 自动连接复用上次选择:智能就智能、具体就具体。 - 自动连接门控加等「选中节点已恢复」(controller.loaded),避免用到未恢复的默认值。 - 自动连接触发时弹 toast「正在自动连接到 X」(全局 ScaffoldMessenger key)。 - 测试:选中节点 select 落盘 + 重启恢复(具体/智能)。 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
303 lines
11 KiB
Dart
303 lines
11 KiB
Dart
// nodes_page.dart — 节点页(置顶智能选择推荐卡 + 搜索 + 列表/双列网格)
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../l10n/app_text.dart';
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import '../models/node.dart';
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import '../pangolin_theme.dart';
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import '../state/app_providers.dart';
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import '../state/connection_provider.dart';
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import '../state/nodes_provider.dart';
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import '../widgets/app_top_bar.dart';
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import '../widgets/country_code.dart';
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import '../widgets/pangolin_field.dart';
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import '../widgets/pangolin_icons.dart';
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import '../widgets/server_tile.dart';
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import '../widgets/smart_select_card.dart';
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class NodesPage extends ConsumerStatefulWidget {
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const NodesPage({super.key, required this.isWide, required this.onPicked});
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final bool isWide;
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final VoidCallback onPicked;
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@override
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ConsumerState<NodesPage> createState() => _NodesPageState();
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}
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class _NodesPageState extends ConsumerState<NodesPage> {
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String _q = '';
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bool _refreshing = false;
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@override
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void initState() {
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super.initState();
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// 切到节点页自动刷新一次(受 nodesProvider 的 10s 限流)。
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (mounted) _refresh();
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});
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}
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Future<void> _refresh() async {
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if (_refreshing) return;
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setState(() => _refreshing = true);
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await ref.read(nodesProvider.notifier).refresh();
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if (mounted) setState(() => _refreshing = false);
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}
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void _pick(String code) {
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ref.read(selectedNodeCodeProvider.notifier).select(code);
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ref.read(connectionProvider.notifier).onNodeChanged();
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widget.onPicked();
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}
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// 点节点:未连接(off)直接选→跳连接页,无破坏性;已连接/连接中切换会断开重连,
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// 弹确认防误触(误碰把当前连接切走)。节点卡与智能选择卡共用此逻辑。
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void _onTapNode(Node n) => _onSelect(n.code, n.localizedName(ref.read(appTextProvider).lang));
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void _onTapSmart() => _onSelect(kSmartNodeCode, ref.read(appTextProvider).smartSelect);
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void _onSelect(String code, String name) {
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if (ref.read(connectionProvider).phase == VpnPhase.off) {
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_pick(code);
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return;
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}
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_confirmSwitch(code, name);
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}
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Future<void> _confirmSwitch(String code, String name) async {
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final c = context.pangolin;
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final t = ref.read(appTextProvider);
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final ok = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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backgroundColor: c.surface,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(PangolinRadius.xl)),
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title: Text(t.nodeSwitchTitle(name),
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style: PangolinText.body.copyWith(color: c.fg1, fontWeight: FontWeight.w700)),
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content: Text(t.nodeSwitchBody, style: PangolinText.sm.copyWith(color: c.fg2, height: 1.5)),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx, false),
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child: Text(t.devCancel, style: PangolinText.sm.copyWith(color: c.fg2, fontWeight: FontWeight.w600)),
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),
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TextButton(
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onPressed: () => Navigator.pop(ctx, true),
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child: Text(t.nodeSwitchConfirm, style: PangolinText.sm.copyWith(color: c.accent, fontWeight: FontWeight.w700)),
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),
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],
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),
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);
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if (ok == true) _pick(code);
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}
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List<Node> _filtered(List<Node> nodes) {
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if (_q.trim().isEmpty) return nodes;
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final q = _q.toLowerCase();
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return nodes
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.where((n) => (n.nameZh + n.nameEn + n.code).toLowerCase().contains(q))
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.toList();
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}
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@override
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Widget build(BuildContext context) {
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final c = context.pangolin;
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final t = ref.watch(appTextProvider);
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final selected = ref.watch(selectedNodeCodeProvider);
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final nodes = _filtered(ref.watch(nodesProvider).valueOrNull ?? const <Node>[]);
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final smart = selected == kSmartNodeCode;
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final smartCard = SmartSelectCard(t: t, selected: smart, onTap: _onTapSmart);
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// 搜索框 + 刷新按钮(点击刷新);列表本身支持下拉刷新。
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final searchRow = Row(children: [
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Expanded(child: _SearchBox(hint: t.searchPh, onChanged: (v) => setState(() => _q = v))),
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const SizedBox(width: 10),
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_RefreshButton(refreshing: _refreshing, onTap: _refresh),
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]);
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if (widget.isWide) {
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// 对照 dapp.jsx DServers：padding 4/28、网格 gap 10。智能卡置顶（CLAUDE.md §5 规范，三端一致）。
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return RefreshIndicator(
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color: c.accent,
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backgroundColor: c.surface,
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onRefresh: _refresh,
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child: ListView(
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padding: const EdgeInsets.fromLTRB(28, 4, 28, 24),
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children: [
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smartCard,
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const SizedBox(height: 14),
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ConstrainedBox(constraints: const BoxConstraints(maxWidth: 440), child: searchRow),
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const SizedBox(height: 14),
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GridView.count(
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crossAxisCount: 2,
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shrinkWrap: true,
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physics: const NeverScrollableScrollPhysics(),
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mainAxisSpacing: 10,
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crossAxisSpacing: 10,
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childAspectRatio: 4.4,
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children: [
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for (final n in nodes)
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_NodeGridTile(node: n, lang: t.lang, active: !smart && n.code == selected, onTap: () => _onTapNode(n)),
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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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// 窄屏:顶栏 + 标题 + 推荐卡 + 搜索 + 分组列表
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return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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AppTopBar(brand: t.brand),
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PageTitle(title: t.chooseNode),
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Expanded(
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child: RefreshIndicator(
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color: c.accent,
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backgroundColor: c.surface,
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onRefresh: _refresh,
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child: ListView(
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padding: const EdgeInsets.fromLTRB(20, 0, 20, 20),
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children: [
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smartCard,
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const SizedBox(height: 12),
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searchRow,
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const SizedBox(height: 12),
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Container(
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decoration: BoxDecoration(
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color: c.surface,
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borderRadius: BorderRadius.circular(PangolinRadius.lg),
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border: Border.all(color: c.border),
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boxShadow: PangolinShadow.sm,
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),
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clipBehavior: Clip.antiAlias,
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child: Column(children: [
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for (var i = 0; i < nodes.length; i++) ...[
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ServerTile(
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node: nodes[i],
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lang: t.lang,
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active: !smart && nodes[i].code == selected,
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onTap: () => _onTapNode(nodes[i]),
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),
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if (i < nodes.length - 1) Divider(height: 1, thickness: 1, color: c.border),
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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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class _SearchBox extends StatelessWidget {
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const _SearchBox({required this.hint, required this.onChanged});
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final String hint;
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final ValueChanged<String> onChanged;
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@override
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Widget build(BuildContext context) {
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final c = context.pangolin;
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// 搜索框:只有底色无描边的统一输入框(PangolinFieldBox bordered:false)。
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return PangolinFieldBox(
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fill: c.bgSubtle,
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bordered: false,
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leading: PangolinIcons.search,
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child: TextField(
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onChanged: onChanged,
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style: PangolinText.sm.copyWith(color: c.fg1, fontSize: 15),
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decoration: bareInputDecoration(
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hintText: hint,
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hintStyle: PangolinText.sm.copyWith(color: c.fg3, fontSize: 15),
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),
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),
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);
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}
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}
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/// 宽屏双列网格中的节点块。
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/// 刷新按钮(搜索框右侧):点击刷新节点列表(受 10s 限流);刷新中显示 spinner。
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class _RefreshButton extends StatelessWidget {
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const _RefreshButton({required this.refreshing, required this.onTap});
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final bool refreshing;
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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 c = context.pangolin;
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return Material(
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color: c.bgSubtle,
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borderRadius: BorderRadius.circular(PangolinRadius.md),
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clipBehavior: Clip.antiAlias,
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child: InkWell(
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onTap: refreshing ? null : onTap,
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child: SizedBox(
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width: 44,
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height: 44,
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child: Center(
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child: refreshing
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? SizedBox(width: 16, height: 16, child: CircularProgressIndicator(strokeWidth: 2, color: c.accent))
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: Icon(PangolinIcons.refreshCw, size: 18, color: c.fg2),
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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 _NodeGridTile extends StatelessWidget {
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const _NodeGridTile({required this.node, required this.lang, required this.active, required this.onTap});
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final Node node;
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final AppLang lang;
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final bool active;
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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 c = context.pangolin;
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final down = node.isDown; // 节点不可用(agent 离线):置灰 + 「不可用」+ 禁选。
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final unavail = lang == AppLang.zh ? '不可用' : 'Unavailable';
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return Opacity(
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opacity: down ? 0.55 : 1.0,
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child: Material(
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color: (active && !down) ? c.accentSubtle : c.surface,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(PangolinRadius.lg),
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side: BorderSide(color: (active && !down) ? c.accentBorder : c.border, width: 1.5),
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),
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clipBehavior: Clip.antiAlias,
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child: InkWell(
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onTap: down ? null : onTap,
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 11),
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child: Row(children: [
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CountryCode(code: node.code, active: active && !down),
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const SizedBox(width: 12),
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Expanded(
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child: Column(crossAxisAlignment: CrossAxisAlignment.start, mainAxisSize: MainAxisSize.min, children: [
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Text(node.localizedName(lang),
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overflow: TextOverflow.ellipsis,
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style: PangolinText.sm.copyWith(color: c.fg1, fontWeight: FontWeight.w600, fontSize: 14.5)),
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Text(node.localizedSub(lang),
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overflow: TextOverflow.ellipsis,
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style: PangolinText.caption.copyWith(color: c.fg3, fontWeight: FontWeight.w400)),
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]),
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),
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const SizedBox(width: 8),
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if (down)
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Text(unavail,
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style: PangolinText.caption.copyWith(color: c.danger, fontWeight: FontWeight.w600, fontSize: 12))
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else ...[
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Column(mainAxisSize: MainAxisSize.min, crossAxisAlignment: CrossAxisAlignment.end, children: [
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Text(node.pingLabel, style: PangolinText.mono.copyWith(color: c.fg2, fontSize: 12)),
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const SizedBox(height: 5),
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SignalBars(ping: node.ping),
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]),
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if (active) ...[const SizedBox(width: 8), Icon(PangolinIcons.check, size: 18, color: c.accent)],
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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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