cake_wallet/lib/src/screens/seed/wallet_seed_page.dart

import 'package:cake_wallet/di.dart';
import 'package:cake_wallet/palette.dart';
import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
import 'package:cake_wallet/store/settings_store.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:esys_flutter_share/esys_flutter_share.dart';
import 'package:flutter_mobx/flutter_mobx.dart';
import 'package:cake_wallet/generated/i18n.dart';
import 'package:cake_wallet/src/widgets/primary_button.dart';
import 'package:cake_wallet/src/screens/base_page.dart';
import 'package:cake_wallet/view_model/wallet_seed_view_model.dart';

class WalletSeedPage extends BasePage {
  WalletSeedPage(this.walletSeedViewModel, {@required this.isNewWalletCreated});

  static final imageLight = Image.asset('assets/images/crypto_lock_light.png');
  static final imageDark = Image.asset('assets/images/crypto_lock.png');

  @override
  String get title => S.current.seed_title;

  final bool isNewWalletCreated;
  final WalletSeedViewModel walletSeedViewModel;

  @override
  void onClose(BuildContext context) async {
    if (isNewWalletCreated) {
      final confirmed = await showDialog<bool>(context: context, builder: (BuildContext context) {
        // FIXME: add translations
        return AlertWithTwoActions(
            alertTitle: 'Attention',
            alertContent: 'Have you written it down? The seed is the only way to recover your wallet.',
            leftButtonText: 'Not yet',
            rightButtonText: 'Yes, I have',
            actionLeftButton: () => Navigator.of(context).pop(false),
            actionRightButton: () => Navigator.of(context).pop(true));
      }) ?? false;

      if (confirmed) {
        Navigator.of(context).popUntil((route) => route.isFirst);
      }

      return;
    }

    Navigator.of(context).pop();
  }

  @override
  Widget leading(BuildContext context) =>
      isNewWalletCreated ? Offstage() : super.leading(context);

  @override
  Widget trailing(BuildContext context) {
    return isNewWalletCreated
        ? GestureDetector(
      onTap: () => onClose(context),
      child: Container(
        width: 100,
        height: 32,
        alignment: Alignment.center,
        margin: EdgeInsets.only(left: 10),
        decoration: BoxDecoration(
            borderRadius: BorderRadius.all(Radius.circular(16)),
            color: Theme
                .of(context)
                .accentTextTheme
                .caption
                .color),
        child: Text(
          S
              .of(context)
              .seed_language_next,
          style: TextStyle(
              fontSize: 14,
              fontWeight: FontWeight.w600,
              color: Palette.blueCraiola),
        ),
      ),
    )
        : Offstage();
  }

  @override
  Widget body(BuildContext context) {
    final image =
    getIt
        .get<SettingsStore>()
        .isDarkTheme ? imageDark : imageLight;

    return Container(
        padding: EdgeInsets.all(24),
        child: Column(
          children: <Widget>[
            Flexible(
                flex: 2,
                child: AspectRatio(
                    aspectRatio: 1,
                    child: FittedBox(child: image, fit: BoxFit.fill))),
            Flexible(
                flex: 3,
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: <Widget>[
                    Padding(
                      padding: EdgeInsets.only(top: 33),
                      child: Observer(builder: (_) {
                        return Column(
                          crossAxisAlignment: CrossAxisAlignment.center,
                          children: <Widget>[
                            Text(
                              walletSeedViewModel.name,
                              style: TextStyle(
                                  fontSize: 20,
                                  fontWeight: FontWeight.w600,
                                  color: Theme
                                      .of(context)
                                      .primaryTextTheme
                                      .title
                                      .color),
                            ),
                            Padding(
                              padding:
                              EdgeInsets.only(top: 20, left: 16, right: 16),
                              child: Text(
                                walletSeedViewModel.seed,
                                textAlign: TextAlign.center,
                                style: TextStyle(
                                    fontSize: 14,
                                    fontWeight: FontWeight.normal,
                                    color: Theme
                                        .of(context)
                                        .primaryTextTheme
                                        .caption
                                        .color),
                              ),
                            )
                          ],
                        );
                      }),
                    ),
                    Column(
                      children: <Widget>[
                        isNewWalletCreated
                            ? Padding(
                          padding: EdgeInsets.only(
                              bottom: 52, left: 43, right: 43),
                          child: Text(
                            S
                                .of(context)
                                .seed_reminder,
                            textAlign: TextAlign.center,
                            style: TextStyle(
                                fontSize: 12,
                                fontWeight: FontWeight.normal,
                                color: Theme
                                    .of(context)
                                    .primaryTextTheme
                                    .overline
                                    .color),
                          ),
                        )
                            : Offstage(),
                        Row(
                          mainAxisSize: MainAxisSize.max,
                          children: <Widget>[
                            Flexible(
                                child: Container(
                                  padding: EdgeInsets.only(right: 8.0),
                                  child: PrimaryButton(
                                      onPressed: () =>
                                          Share.text(
                                              S
                                                  .of(context)
                                                  .seed_share,
                                              walletSeedViewModel.seed,
                                              'text/plain'),
                                      text: S
                                          .of(context)
                                          .save,
                                      color: Colors.green,
                                      textColor: Colors.white),
                                )),
                            Flexible(
                                child: Container(
                                  padding: EdgeInsets.only(left: 8.0),
                                  child: Builder(
                                      builder: (context) =>
                                          PrimaryButton(
                                              onPressed: () {
                                                Clipboard.setData(ClipboardData(
                                                    text: walletSeedViewModel
                                                        .seed));
                                                Scaffold.of(context)
                                                    .showSnackBar(
                                                  SnackBar(
                                                    content: Text(S
                                                        .of(context)
                                                        .copied_to_clipboard),
                                                    backgroundColor: Colors
                                                        .green,
                                                    duration:
                                                    Duration(
                                                        milliseconds: 1500),
                                                  ),
                                                );
                                              },
                                              text: S
                                                  .of(context)
                                                  .copy,
                                              color: Theme
                                                  .of(context)
                                                  .accentTextTheme
                                                  .body2
                                                  .color,
                                              textColor: Colors.white)),
                                ))
                          ],
                        )
                      ],
                    )
                  ],
                ))
          ],
        ));
  }
}