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import 'package:flutter/material.dart';
import '../app/controller.dart';
import '../app/tokens.dart';
import '../engine/vless_scanner.dart';
import 'widgets.dart';
/// Custom-mode picker: choose one of the scan results for a config row,
/// or type an IP by hand. A typed IP is only accepted when the scan
/// actually found it — anything else gets an inline error (the user's
/// requirement: a custom IP outside the found set must error, not pass).
/// Ships as a dialog rather than the floating popup of ui.html (see
/// PORT_NOTES). [results] overrides the candidate list (multi-config
/// rows pick from their own server's results).
class IpPickerDialog extends StatefulWidget {
const IpPickerDialog({super.key, required this.controller, required this.rowIndex, this.results});
final AppController controller;
final int rowIndex;
final List<ScanResult>? results;
@override
State<IpPickerDialog> createState() => _IpPickerDialogState();
}
class _IpPickerDialogState extends State<IpPickerDialog> {
final TextEditingController _typed = TextEditingController();
String? _error;
@override
void dispose() {
_typed.dispose();
super.dispose();
}
List<ScanResult> get _results => widget.results ?? widget.controller.results;
static final RegExp _ipv4 = RegExp(r'^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$');
void _applyTyped() {
final ip = _typed.text.trim();
final match = _ipv4.firstMatch(ip);
final wellFormed =
match != null && match.groups(<int>[1, 2, 3, 4]).every((g) => int.parse(g!) <= 255);
if (!wellFormed) {
setState(() => _error = 'Enter a valid IPv4 address.');
return;
}
if (!_results.any((r) => r.ip == ip)) {
setState(() => _error = 'That IP is not among the clean IPs found.');
return;
}
widget.controller.pickIp(widget.rowIndex, ip);
Navigator.of(context).pop();
}
@override
Widget build(BuildContext context) {
final c = widget.controller;
final current = widget.rowIndex < c.rows.length ? c.rows[widget.rowIndex].ip : null;
return Dialog(
backgroundColor: Tokens.surface,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(18),
side: BorderSide(color: Tokens.edge.withValues(alpha: 0.14)),
),
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 320, maxHeight: 430),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Padding(
padding: const EdgeInsets.fromLTRB(16, 14, 16, 8),
child: SectionLabel('Choose an IP for config #${widget.rowIndex + 1}'),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Expanded(
child: TextField(
controller: _typed,
keyboardType: TextInputType.number,
onSubmitted: (_) => _applyTyped(),
decoration: InputDecoration(
hintText: 'Type an IP — 69.46.46.7',
hintStyle: const TextStyle(
fontFamily: Tokens.monoFont,
fontSize: 12,
color: Tokens.placeholder,
),
isDense: true,
filled: true,
fillColor: Tokens.inputBg,
contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 11),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: const BorderSide(color: Tokens.inputEdge),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: const BorderSide(color: Tokens.inputEdge),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide(color: Tokens.teal.withValues(alpha: 0.7)),
),
),
style: const TextStyle(
fontFamily: Tokens.monoFont,
fontSize: 13,
color: Tokens.ink,
),
),
),
const SizedBox(width: 8),
ChipButton(label: 'Use', onPressed: _applyTyped),
],
),
),
if (_error != null)
Padding(
padding: const EdgeInsets.fromLTRB(16, 8, 16, 0),
child: Text(
_error!,
style: const TextStyle(fontSize: 12, fontWeight: FontWeight.w600, color: Tokens.poor),
),
),
const SizedBox(height: 6),
Flexible(
child: ListView(
shrinkWrap: true,
children: <Widget>[
for (final r in _results)
InkWell(
onTap: () {
c.pickIp(widget.rowIndex, r.ip);
Navigator.of(context).pop();
},
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 9),
child: Row(
children: <Widget>[
SizedBox(
width: 18,
child: r.ip == current
? const Icon(Icons.check_rounded, size: 16, color: Tokens.fast)
: null,
),
IpText(r.ip, size: 14),
const Spacer(),
LatencyChip(ms: r.delayMs),
],
),
),
),
],
),
),
const SizedBox(height: 8),
],
),
),
);
}
}
arblant