wangjia
0542ff027f
- nodesProvider.refresh:10s 限流(下拉/按钮/进页多次触发只打一次远端); 不清空当前列表(后台拉、好了再换,失败保留旧数据),避免进页/下拉闪空 - nodes_page:initState 进页自动刷一次;RefreshIndicator 下拉刷新(移动端); 搜索框右侧 _RefreshButton 点击刷新(刷新中 spinner) servers 页 golden 重生成(搜索行加按钮);CI 闸 golden 未动。 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
269 lines
9.5 KiB
Dart
269 lines
9.5 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)
|
||
import 'package:flutter/material.dart';
|
||
import 'package:flutter_riverpod/flutter_riverpod.dart';
|
||
|
||
import '../l10n/app_text.dart';
|
||
import '../models/node.dart';
|
||
import '../pangolin_theme.dart';
|
||
import '../state/app_providers.dart';
|
||
import '../state/connection_provider.dart';
|
||
import '../state/nodes_provider.dart';
|
||
import '../widgets/app_top_bar.dart';
|
||
import '../widgets/country_code.dart';
|
||
import '../widgets/pangolin_icons.dart';
|
||
import '../widgets/server_tile.dart';
|
||
import '../widgets/smart_select_card.dart';
|
||
|
||
class NodesPage extends ConsumerStatefulWidget {
|
||
const NodesPage({super.key, required this.isWide, required this.onPicked});
|
||
final bool isWide;
|
||
final VoidCallback onPicked;
|
||
|
||
@override
|
||
ConsumerState<NodesPage> createState() => _NodesPageState();
|
||
}
|
||
|
||
class _NodesPageState extends ConsumerState<NodesPage> {
|
||
String _q = '';
|
||
bool _refreshing = false;
|
||
|
||
@override
|
||
void initState() {
|
||
super.initState();
|
||
// 切到节点页自动刷新一次(受 nodesProvider 的 10s 限流)。
|
||
WidgetsBinding.instance.addPostFrameCallback((_) {
|
||
if (mounted) _refresh();
|
||
});
|
||
}
|
||
|
||
Future<void> _refresh() async {
|
||
if (_refreshing) return;
|
||
setState(() => _refreshing = true);
|
||
await ref.read(nodesProvider.notifier).refresh();
|
||
if (mounted) setState(() => _refreshing = false);
|
||
}
|
||
|
||
void _pick(String code) {
|
||
ref.read(selectedNodeCodeProvider.notifier).state = code;
|
||
ref.read(connectionProvider.notifier).onNodeChanged();
|
||
widget.onPicked();
|
||
}
|
||
|
||
List<Node> _filtered(List<Node> nodes) {
|
||
if (_q.trim().isEmpty) return nodes;
|
||
final q = _q.toLowerCase();
|
||
return nodes
|
||
.where((n) => (n.nameZh + n.nameEn + n.code).toLowerCase().contains(q))
|
||
.toList();
|
||
}
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
final c = context.pangolin;
|
||
final t = ref.watch(appTextProvider);
|
||
final selected = ref.watch(selectedNodeCodeProvider);
|
||
final nodes = _filtered(ref.watch(nodesProvider).valueOrNull ?? const <Node>[]);
|
||
final smart = selected == kSmartNodeCode;
|
||
|
||
final smartCard = SmartSelectCard(t: t, selected: smart, onTap: () => _pick(kSmartNodeCode));
|
||
// 搜索框 + 刷新按钮(点击刷新);列表本身支持下拉刷新。
|
||
final searchRow = Row(children: [
|
||
Expanded(child: _SearchBox(hint: t.searchPh, onChanged: (v) => setState(() => _q = v))),
|
||
const SizedBox(width: 10),
|
||
_RefreshButton(refreshing: _refreshing, onTap: _refresh),
|
||
]);
|
||
|
||
if (widget.isWide) {
|
||
// 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）。
|
||
return RefreshIndicator(
|
||
color: c.accent,
|
||
backgroundColor: c.surface,
|
||
onRefresh: _refresh,
|
||
child: ListView(
|
||
padding: const EdgeInsets.fromLTRB(28, 4, 28, 24),
|
||
children: [
|
||
smartCard,
|
||
const SizedBox(height: 14),
|
||
ConstrainedBox(constraints: const BoxConstraints(maxWidth: 440), child: searchRow),
|
||
const SizedBox(height: 14),
|
||
GridView.count(
|
||
crossAxisCount: 2,
|
||
shrinkWrap: true,
|
||
physics: const NeverScrollableScrollPhysics(),
|
||
mainAxisSpacing: 10,
|
||
crossAxisSpacing: 10,
|
||
childAspectRatio: 4.4,
|
||
children: [
|
||
for (final n in nodes)
|
||
_NodeGridTile(node: n, lang: t.lang, active: !smart && n.code == selected, onTap: () => _pick(n.code)),
|
||
],
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
// 窄屏:顶栏 + 标题 + 推荐卡 + 搜索 + 分组列表
|
||
return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
|
||
AppTopBar(brand: t.brand),
|
||
PageTitle(title: t.chooseNode),
|
||
Expanded(
|
||
child: RefreshIndicator(
|
||
color: c.accent,
|
||
backgroundColor: c.surface,
|
||
onRefresh: _refresh,
|
||
child: ListView(
|
||
padding: const EdgeInsets.fromLTRB(20, 0, 20, 20),
|
||
children: [
|
||
smartCard,
|
||
const SizedBox(height: 12),
|
||
searchRow,
|
||
const SizedBox(height: 12),
|
||
Container(
|
||
decoration: BoxDecoration(
|
||
color: c.surface,
|
||
borderRadius: BorderRadius.circular(PangolinRadius.lg),
|
||
border: Border.all(color: c.border),
|
||
boxShadow: PangolinShadow.sm,
|
||
),
|
||
clipBehavior: Clip.antiAlias,
|
||
child: Column(children: [
|
||
for (var i = 0; i < nodes.length; i++) ...[
|
||
ServerTile(
|
||
node: nodes[i],
|
||
lang: t.lang,
|
||
active: !smart && nodes[i].code == selected,
|
||
onTap: () => _pick(nodes[i].code),
|
||
),
|
||
if (i < nodes.length - 1) Divider(height: 1, thickness: 1, color: c.border),
|
||
],
|
||
]),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
),
|
||
]);
|
||
}
|
||
}
|
||
|
||
class _SearchBox extends StatelessWidget {
|
||
const _SearchBox({required this.hint, required this.onChanged});
|
||
final String hint;
|
||
final ValueChanged<String> onChanged;
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
final c = context.pangolin;
|
||
return Container(
|
||
decoration: BoxDecoration(color: c.bgSubtle, borderRadius: BorderRadius.circular(PangolinRadius.md)),
|
||
padding: const EdgeInsets.symmetric(horizontal: 14),
|
||
child: Row(children: [
|
||
Icon(PangolinIcons.search, size: 18, color: c.fg3),
|
||
const SizedBox(width: 10),
|
||
Expanded(
|
||
child: TextField(
|
||
onChanged: onChanged,
|
||
style: PangolinText.sm.copyWith(color: c.fg1, fontSize: 15),
|
||
decoration: InputDecoration(
|
||
isCollapsed: true,
|
||
contentPadding: const EdgeInsets.symmetric(vertical: 12),
|
||
border: InputBorder.none,
|
||
hintText: hint,
|
||
hintStyle: PangolinText.sm.copyWith(color: c.fg3, fontSize: 15),
|
||
),
|
||
),
|
||
),
|
||
]),
|
||
);
|
||
}
|
||
}
|
||
|
||
/// 宽屏双列网格中的节点块。
|
||
/// 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。
|
||
class _RefreshButton extends StatelessWidget {
|
||
const _RefreshButton({required this.refreshing, required this.onTap});
|
||
final bool refreshing;
|
||
final VoidCallback onTap;
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
final c = context.pangolin;
|
||
return Material(
|
||
color: c.bgSubtle,
|
||
borderRadius: BorderRadius.circular(PangolinRadius.md),
|
||
clipBehavior: Clip.antiAlias,
|
||
child: InkWell(
|
||
onTap: refreshing ? null : onTap,
|
||
child: SizedBox(
|
||
width: 44,
|
||
height: 44,
|
||
child: Center(
|
||
child: refreshing
|
||
? SizedBox(width: 16, height: 16, child: CircularProgressIndicator(strokeWidth: 2, color: c.accent))
|
||
: Icon(PangolinIcons.refreshCw, size: 18, color: c.fg2),
|
||
),
|
||
),
|
||
),
|
||
);
|
||
}
|
||
}
|
||
|
||
class _NodeGridTile extends StatelessWidget {
|
||
const _NodeGridTile({required this.node, required this.lang, required this.active, required this.onTap});
|
||
final Node node;
|
||
final AppLang lang;
|
||
final bool active;
|
||
final VoidCallback onTap;
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
final c = context.pangolin;
|
||
final down = node.isDown; // 节点不可用(agent 离线):置灰 + 「不可用」+ 禁选。
|
||
final unavail = lang == AppLang.zh ? '不可用' : 'Unavailable';
|
||
return Opacity(
|
||
opacity: down ? 0.55 : 1.0,
|
||
child: Material(
|
||
color: (active && !down) ? c.accentSubtle : c.surface,
|
||
shape: RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.circular(PangolinRadius.lg),
|
||
side: BorderSide(color: (active && !down) ? c.accentBorder : c.border, width: 1.5),
|
||
),
|
||
clipBehavior: Clip.antiAlias,
|
||
child: InkWell(
|
||
onTap: down ? null : onTap,
|
||
child: Padding(
|
||
padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 11),
|
||
child: Row(children: [
|
||
CountryCode(code: node.code, active: active && !down),
|
||
const SizedBox(width: 12),
|
||
Expanded(
|
||
child: Column(crossAxisAlignment: CrossAxisAlignment.start, mainAxisSize: MainAxisSize.min, children: [
|
||
Text(node.localizedName(lang),
|
||
overflow: TextOverflow.ellipsis,
|
||
style: PangolinText.sm.copyWith(color: c.fg1, fontWeight: FontWeight.w600, fontSize: 14.5)),
|
||
Text(node.localizedSub(lang),
|
||
overflow: TextOverflow.ellipsis,
|
||
style: PangolinText.caption.copyWith(color: c.fg3, fontWeight: FontWeight.w400)),
|
||
]),
|
||
),
|
||
const SizedBox(width: 8),
|
||
if (down)
|
||
Text(unavail,
|
||
style: PangolinText.caption.copyWith(color: c.danger, fontWeight: FontWeight.w600, fontSize: 12))
|
||
else ...[
|
||
Column(mainAxisSize: MainAxisSize.min, crossAxisAlignment: CrossAxisAlignment.end, children: [
|
||
Text(node.pingLabel, style: PangolinText.mono.copyWith(color: c.fg2, fontSize: 12)),
|
||
const SizedBox(height: 5),
|
||
SignalBars(ping: node.ping),
|
||
]),
|
||
if (active) ...[const SizedBox(width: 8), Icon(PangolinIcons.check, size: 18, color: c.accent)],
|
||
],
|
||
]),
|
||
),
|
||
),
|
||
),
|
||
);
|
||
}
|
||
}
|