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

import 'package:cake_wallet/palette.dart';
import 'package:cake_wallet/themes/theme_base.dart';
import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
import 'package:cake_wallet/utils/share_util.dart';
import 'package:cake_wallet/utils/responsive_layout_util.dart';
import 'package:cake_wallet/utils/show_bar.dart';
import 'package:cake_wallet/utils/show_pop_up.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.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});

  final imageLight = Image.asset('assets/images/crypto_lock_light.png');
  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 showPopUp<bool>(
              context: context,
              builder: (BuildContext context) {
                return AlertWithTwoActions(
                    alertTitle: S.of(context).seed_alert_title,
                    alertContent: S.of(context).seed_alert_content,
                    leftButtonText: S.of(context).seed_alert_back,
                    rightButtonText: S.of(context).seed_alert_yes,
                    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 ? null: 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 = currentTheme.type == ThemeType.dark ? imageDark : imageLight;

    return WillPopScope(onWillPop: () async => false, child:  Container(
        padding: EdgeInsets.all(24),
        alignment: Alignment.center,
        child: ConstrainedBox(
          constraints:
              BoxConstraints(maxWidth: ResponsiveLayoutUtil.kDesktopMaxWidthConstraint),
          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!
                                        .headline6!
                                        .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: () {
                                      ShareUtil.share(
                                        text: walletSeedViewModel.seed,
                                        context: context,
                                      );
                                    },
                                    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));
                                          showBar<void>(context,
                                              S.of(context).copied_to_clipboard);
                                        },
                                        text: S.of(context).copy,
                                        color: Theme.of(context)
                                            .accentTextTheme!
                                            .bodyText2!
                                            .color!,
                                        textColor: Colors.white)),
                              ))
                            ],
                          )
                        ],
                      )
                    ],
                  ))
            ],
          ),
        )));
  }
}