mirror of
https://github.com/rustdesk/rustdesk.git
synced 2024-12-05 21:29:05 +08:00
985c616ca6
Signed-off-by: Kingtous <kingtous@qq.com>
261 lines
8.5 KiB
Dart
261 lines
8.5 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:image/image.dart' as img;
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import 'package:image_picker/image_picker.dart';
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import 'package:qr_code_scanner/qr_code_scanner.dart';
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import 'package:zxing2/qrcode.dart';
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import '../../common.dart';
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import '../../models/model.dart';
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class ScanPage extends StatefulWidget {
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@override
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_ScanPageState createState() => _ScanPageState();
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}
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class _ScanPageState extends State<ScanPage> {
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QRViewController? controller;
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final GlobalKey qrKey = GlobalKey(debugLabel: 'QR');
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// In order to get hot reload to work we need to pause the camera if the platform
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// is android, or resume the camera if the platform is iOS.
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@override
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void reassemble() {
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super.reassemble();
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if (isAndroid) {
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controller!.pauseCamera();
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}
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controller!.resumeCamera();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Scan QR'),
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actions: [
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IconButton(
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color: Colors.white,
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icon: Icon(Icons.image_search),
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iconSize: 32.0,
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onPressed: () async {
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final ImagePicker _picker = ImagePicker();
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final XFile? file =
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await _picker.pickImage(source: ImageSource.gallery);
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if (file != null) {
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var image = img.decodeNamedImage(
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File(file.path).readAsBytesSync(), file.path)!;
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LuminanceSource source = RGBLuminanceSource(
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image.width,
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image.height,
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image
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.getBytes(format: img.Format.abgr)
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.buffer
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.asInt32List());
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var bitmap = BinaryBitmap(HybridBinarizer(source));
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var reader = QRCodeReader();
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try {
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var result = reader.decode(bitmap);
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showServerSettingFromQr(result.text);
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} catch (e) {
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showToast('No QR code found');
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}
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}
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}),
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IconButton(
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color: Colors.yellow,
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icon: Icon(Icons.flash_on),
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iconSize: 32.0,
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onPressed: () async {
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await controller?.toggleFlash();
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}),
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IconButton(
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color: Colors.white,
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icon: Icon(Icons.switch_camera),
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iconSize: 32.0,
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onPressed: () async {
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await controller?.flipCamera();
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},
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),
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],
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),
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body: _buildQrView(context));
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}
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Widget _buildQrView(BuildContext context) {
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// For this example we check how width or tall the device is and change the scanArea and overlay accordingly.
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var scanArea = (MediaQuery.of(context).size.width < 400 ||
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MediaQuery.of(context).size.height < 400)
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? 150.0
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: 300.0;
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// To ensure the Scanner view is properly sizes after rotation
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// we need to listen for Flutter SizeChanged notification and update controller
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return QRView(
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key: qrKey,
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onQRViewCreated: _onQRViewCreated,
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overlay: QrScannerOverlayShape(
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borderColor: Colors.red,
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borderRadius: 10,
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borderLength: 30,
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borderWidth: 10,
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cutOutSize: scanArea),
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onPermissionSet: (ctrl, p) => _onPermissionSet(context, ctrl, p),
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);
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}
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void _onQRViewCreated(QRViewController controller) {
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setState(() {
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this.controller = controller;
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});
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controller.scannedDataStream.listen((scanData) {
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if (scanData.code != null) {
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showServerSettingFromQr(scanData.code!);
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}
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});
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}
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void _onPermissionSet(BuildContext context, QRViewController ctrl, bool p) {
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if (!p) {
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showToast('No permisssion');
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}
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}
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@override
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void dispose() {
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controller?.dispose();
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super.dispose();
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}
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void showServerSettingFromQr(String data) async {
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backToHome();
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await controller?.pauseCamera();
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if (!data.startsWith('config=')) {
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showToast('Invalid QR code');
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return;
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}
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try {
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Map<String, dynamic> values = json.decode(data.substring(7));
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var host = values['host'] != null ? values['host'] as String : '';
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var key = values['key'] != null ? values['key'] as String : '';
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var api = values['api'] != null ? values['api'] as String : '';
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Timer(Duration(milliseconds: 60), () {
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showServerSettingsWithValue(host, '', key, api);
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});
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} catch (e) {
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showToast('Invalid QR code');
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}
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}
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}
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void showServerSettingsWithValue(
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String id, String relay, String key, String api) {
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final formKey = GlobalKey<FormState>();
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final id0 = gFFI.getByName('option', 'custom-rendezvous-server');
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final relay0 = gFFI.getByName('option', 'relay-server');
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final api0 = gFFI.getByName('option', 'api-server');
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final key0 = gFFI.getByName('option', 'key');
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DialogManager.show((setState, close) {
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return CustomAlertDialog(
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title: Text(translate('ID/Relay Server')),
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content: Form(
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key: formKey,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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TextFormField(
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initialValue: id,
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decoration: InputDecoration(
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labelText: translate('ID Server'),
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),
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validator: validate,
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onSaved: (String? value) {
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if (value != null) id = value.trim();
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},
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)
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] +
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(isAndroid
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? [
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TextFormField(
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initialValue: relay,
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decoration: InputDecoration(
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labelText: translate('Relay Server'),
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),
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validator: validate,
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onSaved: (String? value) {
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if (value != null) relay = value.trim();
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},
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)
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]
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: []) +
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[
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TextFormField(
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initialValue: api,
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decoration: InputDecoration(
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labelText: translate('API Server'),
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),
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validator: validate,
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onSaved: (String? value) {
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if (value != null) api = value.trim();
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},
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),
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TextFormField(
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initialValue: key,
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decoration: InputDecoration(
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labelText: 'Key',
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),
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validator: null,
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onSaved: (String? value) {
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if (value != null) key = value.trim();
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},
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),
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])),
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actions: [
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TextButton(
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style: flatButtonStyle,
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onPressed: () {
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close();
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},
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child: Text(translate('Cancel')),
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),
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TextButton(
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style: flatButtonStyle,
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onPressed: () {
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if (formKey.currentState != null &&
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formKey.currentState!.validate()) {
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formKey.currentState!.save();
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if (id != id0)
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gFFI.setByName('option',
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'{"name": "custom-rendezvous-server", "value": "$id"}');
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if (relay != relay0)
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gFFI.setByName(
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'option', '{"name": "relay-server", "value": "$relay"}');
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if (key != key0)
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gFFI.setByName('option', '{"name": "key", "value": "$key"}');
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if (api != api0)
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gFFI.setByName(
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'option', '{"name": "api-server", "value": "$api"}');
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gFFI.ffiModel.updateUser();
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close();
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}
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},
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child: Text(translate('OK')),
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),
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],
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);
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});
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}
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String? validate(value) {
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value = value.trim();
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if (value.isEmpty) {
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return null;
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}
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final res = gFFI.getByName('test_if_valid_server', value);
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return res.isEmpty ? null : res;
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}
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