gecko/lib/screens/myWallets/show_seed.dart

313 lines
11 KiB
Dart

import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/services.dart';
import 'package:gecko/globals.dart';
import 'package:flutter/material.dart';
import 'package:gecko/models/wallet_data.dart';
import 'package:gecko/models/widgets_keys.dart';
import 'package:gecko/providers/my_wallets.dart';
import 'package:gecko/providers/substrate_sdk.dart';
import 'package:gecko/providers/wallets_profiles.dart';
import 'package:gecko/widgets/commons/build_text.dart';
import 'package:pdf/pdf.dart';
import 'package:printing/printing.dart';
import 'package:provider/provider.dart';
import 'package:pdf/widgets.dart' as pw;
class ShowSeed extends StatelessWidget {
const ShowSeed(
{Key? keyMyWallets,
required this.walletName,
required this.walletProvider})
: super(key: keyMyWallets);
final String? walletName;
final MyWalletsProvider walletProvider;
@override
Widget build(BuildContext context) {
final myWalletProvider =
Provider.of<MyWalletsProvider>(context, listen: false);
final sub = Provider.of<SubstrateSdk>(context, listen: false);
WalletData defaultWallet = myWalletProvider.getDefaultWallet();
return Scaffold(
backgroundColor: backgroundColor,
appBar: AppBar(toolbarHeight: 60, title: Text('myMnemonic'.tr())),
body: SafeArea(
child: Column(children: <Widget>[
const Spacer(flex: 1),
FutureBuilder(
future:
sub.getSeed(defaultWallet.address, walletProvider.pinCode),
builder: (BuildContext context, AsyncSnapshot<String?> seed) {
if (seed.connectionState != ConnectionState.done ||
seed.hasError) {
return const SizedBox(
height: 15,
width: 15,
child: CircularProgressIndicator(
color: orangeC,
strokeWidth: 2,
),
);
} else if (!seed.hasData) {
return const Text('');
}
return Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Column(children: [
BuildText(
text: 'keepYourMnemonicSecret'.tr(), size: 17),
const SizedBox(height: 35),
sentanceArray(context, seed.data!.split(' ')),
const SizedBox(height: 20),
Row(
children: [
SizedBox(
height: 40,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
foregroundColor: Colors.black,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
backgroundColor: orangeC,
elevation: 1, // foreground
),
onPressed: () {
Clipboard.setData(
ClipboardData(text: seed.data!));
snackCopySeed(context);
},
child: Row(children: <Widget>[
Image.asset(
'assets/walletOptions/copy-white.png',
height: 25,
),
const SizedBox(width: 7),
Text(
'copy'.tr(),
style: TextStyle(
fontSize: 15, color: Colors.grey[50]),
)
]),
),
),
const SizedBox(width: 50),
GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(builder: (context) {
return PrintWallet(seed.data);
}),
);
},
child: Image.asset(
'assets/printer.png',
height: 42,
),
),
],
),
]),
]);
}),
const Spacer(flex: 3),
SizedBox(
width: 370,
height: 60,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
foregroundColor: Colors.white, elevation: 4,
backgroundColor: orangeC, // foreground
),
onPressed: () {
Navigator.pop(context);
},
child: Text(
'close'.tr(),
style: const TextStyle(
fontSize: 23, fontWeight: FontWeight.w600),
),
),
),
const Spacer(flex: 2),
]),
));
}
Widget sentanceArray(BuildContext context, List mnemonic) {
return Container(
constraints: const BoxConstraints(maxWidth: 375),
decoration: BoxDecoration(
border: Border.all(color: Colors.black),
color: const Color(0xffeeeedd),
borderRadius: const BorderRadius.all(
Radius.circular(10),
)),
padding: const EdgeInsets.all(15),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Row(children: <Widget>[
arrayCell(mnemonic[0], 1),
arrayCell(mnemonic[1], 2),
arrayCell(mnemonic[2], 3),
arrayCell(mnemonic[3], 4),
]),
const SizedBox(height: 15),
Row(children: <Widget>[
arrayCell(mnemonic[4], 5),
arrayCell(mnemonic[5], 6),
arrayCell(mnemonic[6], 7),
arrayCell(mnemonic[7], 8),
]),
const SizedBox(height: 15),
Row(children: <Widget>[
arrayCell(mnemonic[8], 9),
arrayCell(mnemonic[9], 10),
arrayCell(mnemonic[10], 11),
arrayCell(mnemonic[11], 12),
]),
]));
}
Widget arrayCell(dataWord, int nbr) {
log.d(nbr);
return SizedBox(
width: 85,
child: Column(children: <Widget>[
Text(
nbr.toString(),
style: const TextStyle(fontSize: 13, color: Color(0xff6b6b52)),
),
Text(
dataWord,
key: keyMnemonicWord(dataWord),
style: const TextStyle(fontSize: 17, color: Colors.black),
),
]),
);
}
}
class PrintWallet extends StatelessWidget {
const PrintWallet(this.sentence, {Key? key}) : super(key: key);
final String? sentence;
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
leading: IconButton(
icon: const Icon(Icons.arrow_back, color: Colors.black),
onPressed: () {
Navigator.pop(context);
}),
backgroundColor: yellowC,
foregroundColor: Colors.black,
toolbarHeight: 60,
title: Text(
'printMyMnemonic'.tr(),
style: const TextStyle(fontWeight: FontWeight.w600),
),
),
body: PdfPreview(
canDebug: false,
canChangeOrientation: false,
build: (format) => printWallet(sentence!),
),
),
);
}
Future<Uint8List> printWallet(String seed) async {
final ByteData fontData =
await rootBundle.load("assets/OpenSans-Regular.ttf");
final pw.Font ttf = pw.Font.ttf(fontData.buffer.asByteData());
final pdf = pw.Document();
final seedList = seed.split(' ');
const imageProvider = AssetImage('assets/icon/gecko_final.png');
final geckoLogo = await flutterImageProvider(imageProvider);
pw.Widget arrayCell(int number, String dataWord) {
return pw.SizedBox(
width: 120,
height: 70,
child: pw.Column(children: <pw.Widget>[
pw.Text(
number.toString(),
style: pw.TextStyle(
fontSize: 15, color: const PdfColor(0.5, 0, 0), font: ttf),
),
pw.Text(
dataWord,
style: pw.TextStyle(
fontSize: 20, color: const PdfColor(0, 0, 0), font: ttf),
),
pw.SizedBox(height: 10)
]),
);
}
pdf.addPage(
pw.Page(
pageFormat: PdfPageFormat.a4,
build: (context) {
return pw.Stack(children: <pw.Widget>[
pw.Positioned(top: 217, child: pw.Text('-'.padRight(130, '-'))),
pw.Positioned(bottom: 217, child: pw.Text('-'.padRight(130, '-'))),
pw.Column(
// mainAxisAlignment: pw.MainAxisAlignment.center,
// mainAxisSize: pw.MainAxisSize.max,
// crossAxisAlignment: pw.CrossAxisAlignment.center,
children: <pw.Widget>[
pw.SizedBox(height: 10),
pw.Row(children: <pw.Widget>[
arrayCell(1, seedList[0]),
arrayCell(2, seedList[1]),
arrayCell(3, seedList[2]),
arrayCell(4, seedList[3]),
]),
pw.Row(children: <pw.Widget>[
arrayCell(5, seedList[4]),
arrayCell(6, seedList[5]),
arrayCell(7, seedList[6]),
arrayCell(8, seedList[7]),
]),
pw.Row(children: <pw.Widget>[
arrayCell(9, seedList[8]),
arrayCell(10, seedList[9]),
arrayCell(11, seedList[10]),
arrayCell(12, seedList[11])
]),
pw.SizedBox(height: 105),
pw.Image(geckoLogo, height: 80),
pw.SizedBox(height: 205),
pw.Text(
"keepThisPaperSafe".tr(),
textAlign: pw.TextAlign.center,
style: pw.TextStyle(fontSize: 15, font: ttf),
)
],
)
]);
},
),
);
return pdf.save();
}
}