import 'dart:ui'; import 'package:cake_wallet/entities/transaction_priority.dart'; import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart'; import 'package:cake_wallet/src/widgets/keyboard_done_button.dart'; import 'package:cake_wallet/src/widgets/picker.dart'; import 'package:cake_wallet/src/widgets/template_tile.dart'; import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import 'package:flutter/services.dart'; import 'package:flutter_mobx/flutter_mobx.dart'; import 'package:mobx/mobx.dart'; import 'package:keyboard_actions/keyboard_actions.dart'; import 'package:cake_wallet/routes.dart'; import 'package:cake_wallet/view_model/send/send_view_model.dart'; import 'package:cake_wallet/core/execution_state.dart'; import 'package:cake_wallet/src/screens/base_page.dart'; import 'package:cake_wallet/src/widgets/primary_button.dart'; import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart'; import 'package:cake_wallet/src/widgets/trail_button.dart'; import 'package:cake_wallet/utils/show_pop_up.dart'; import 'package:cake_wallet/view_model/send/send_view_model_state.dart'; import 'package:cake_wallet/src/widgets/address_text_field.dart'; import 'package:cake_wallet/generated/i18n.dart'; import 'package:dotted_border/dotted_border.dart'; import 'package:cake_wallet/src/widgets/alert_with_one_action.dart'; import 'package:cake_wallet/src/screens/send/widgets/confirm_sending_alert.dart'; import 'package:cake_wallet/src/widgets/base_text_form_field.dart'; class SendPage extends BasePage { SendPage({@required this.sendViewModel}) : _addressController = TextEditingController(), _cryptoAmountController = TextEditingController(), _fiatAmountController = TextEditingController(), _noteController = TextEditingController(), _formKey = GlobalKey(), _cryptoAmountFocus = FocusNode(), _fiatAmountFocus = FocusNode(), _addressFocusNode = FocusNode() { _addressFocusNode.addListener(() { if (!_addressFocusNode.hasFocus && _addressController.text.isNotEmpty) { getOpenaliasRecord(_addressFocusNode.context); } }); } final SendViewModel sendViewModel; final TextEditingController _addressController; final TextEditingController _cryptoAmountController; final TextEditingController _fiatAmountController; final TextEditingController _noteController; final GlobalKey _formKey; final FocusNode _cryptoAmountFocus; final FocusNode _fiatAmountFocus; final FocusNode _addressFocusNode; bool _effectsInstalled = false; @override String get title => S.current.send; @override Color get titleColor => Colors.white; @override bool get resizeToAvoidBottomPadding => false; @override bool get extendBodyBehindAppBar => true; @override AppBarStyle get appBarStyle => AppBarStyle.transparent; @override Widget trailing(context) => TrailButton( caption: S.of(context).clear, onPressed: () { _formKey.currentState.reset(); sendViewModel.reset(); }); @override Widget body(BuildContext context) { _setEffects(context); return KeyboardActions( config: KeyboardActionsConfig( keyboardActionsPlatform: KeyboardActionsPlatform.IOS, keyboardBarColor: Theme.of(context).accentTextTheme.body2 .backgroundColor, nextFocus: false, actions: [ KeyboardActionsItem( focusNode: _cryptoAmountFocus, toolbarButtons: [(_) => KeyboardDoneButton()], ), KeyboardActionsItem( focusNode: _fiatAmountFocus, toolbarButtons: [(_) => KeyboardDoneButton()], ) ]), child: Container( height: 0, color: Theme.of(context).backgroundColor, child: ScrollableWithBottomSection( contentPadding: EdgeInsets.only(bottom: 24), content: Column( children: [ Container( decoration: BoxDecoration( borderRadius: BorderRadius.only( bottomLeft: Radius.circular(24), bottomRight: Radius.circular(24)), gradient: LinearGradient(colors: [ Theme.of(context).primaryTextTheme.subhead.color, Theme.of(context) .primaryTextTheme .subhead .decorationColor, ], begin: Alignment.topLeft, end: Alignment.bottomRight), ), child: Form( key: _formKey, child: Column(children: [ Padding( padding: EdgeInsets.fromLTRB(24, 100, 24, 32), child: Column( children: [ AddressTextField( focusNode: _addressFocusNode, controller: _addressController, onURIScanned: (uri) { var address = ''; var amount = ''; if (uri != null) { address = uri.path; amount = uri.queryParameters['tx_amount'] ?? uri.queryParameters['amount']; } else { address = uri.toString(); } _addressController.text = address; _cryptoAmountController.text = amount; }, options: [ AddressTextFieldOption.paste, AddressTextFieldOption.qrCode, AddressTextFieldOption.addressBook ], buttonColor: Theme.of(context) .primaryTextTheme .display1 .color, borderColor: Theme.of(context) .primaryTextTheme .headline .color, textStyle: TextStyle( fontSize: 14, fontWeight: FontWeight.w500, color: Colors.white), hintStyle: TextStyle( fontSize: 14, fontWeight: FontWeight.w500, color: Theme.of(context) .primaryTextTheme .headline .decorationColor), validator: sendViewModel.addressValidator, ), Observer( builder: (_) => Padding( padding: const EdgeInsets.only(top: 20), child: BaseTextFormField( focusNode: _cryptoAmountFocus, controller: _cryptoAmountController, keyboardType: TextInputType.numberWithOptions( signed: false, decimal: true), prefixIcon: Padding( padding: EdgeInsets.only(top: 9), child: Text( sendViewModel.currency.title + ':', style: TextStyle( fontSize: 16, fontWeight: FontWeight.w600, color: Colors.white, )), ), suffixIcon: Container( height: 32, width: 32, margin: EdgeInsets.only( left: 14, top: 4, bottom: 10), decoration: BoxDecoration( color: Theme.of(context) .primaryTextTheme .display1 .color, borderRadius: BorderRadius.all( Radius.circular(6))), child: InkWell( onTap: () => sendViewModel.setSendAll(), child: Center( child: Text(S.of(context).all, textAlign: TextAlign.center, style: TextStyle( fontSize: 12, fontWeight: FontWeight.bold, color: Theme.of(context) .primaryTextTheme .display1 .decorationColor)), ), ), ), hintText: '0.0000', borderColor: Theme.of(context) .primaryTextTheme .headline .color, textStyle: TextStyle( fontSize: 14, fontWeight: FontWeight.w500, color: Colors.white), placeholderTextStyle: TextStyle( color: Theme.of(context) .primaryTextTheme .headline .decorationColor, fontWeight: FontWeight.w500, fontSize: 14), validator: sendViewModel.sendAll ? sendViewModel.allAmountValidator : sendViewModel .amountValidator))), Observer( builder: (_) => Padding( padding: EdgeInsets.only(top: 10), child: Row( mainAxisSize: MainAxisSize.max, mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [ Expanded( child: Text( S.of(context).available_balance + ':', style: TextStyle( fontSize: 12, fontWeight: FontWeight.w600, color: Theme.of(context) .primaryTextTheme .headline .decorationColor), )), Text( sendViewModel.balance, style: TextStyle( fontSize: 12, fontWeight: FontWeight.w600, color: Theme.of(context) .primaryTextTheme .headline .decorationColor), ) ], ), )), Padding( padding: const EdgeInsets.only(top: 20), child: BaseTextFormField( focusNode: _fiatAmountFocus, controller: _fiatAmountController, keyboardType: TextInputType.numberWithOptions( signed: false, decimal: true), prefixIcon: Padding( padding: EdgeInsets.only(top: 9), child: Text(sendViewModel.fiat.title + ':', style: TextStyle( fontSize: 16, fontWeight: FontWeight.w600, color: Colors.white, )), ), hintText: '0.00', borderColor: Theme.of(context) .primaryTextTheme .headline .color, textStyle: TextStyle( fontSize: 14, fontWeight: FontWeight.w500, color: Colors.white), placeholderTextStyle: TextStyle( color: Theme.of(context) .primaryTextTheme .headline .decorationColor, fontWeight: FontWeight.w500, fontSize: 14), )), Padding( padding: EdgeInsets.only(top: 20), child: BaseTextFormField( controller: _noteController, keyboardType: TextInputType.multiline, maxLines: null, borderColor: Theme.of(context) .primaryTextTheme .headline .color, textStyle: TextStyle( fontSize: 14, fontWeight: FontWeight.w500, color: Colors.white), hintText: S.of(context).note_optional, placeholderTextStyle: TextStyle( fontSize: 14, fontWeight: FontWeight.w500, color: Theme.of(context) .primaryTextTheme .headline .decorationColor), ), ), Observer( builder: (_) => GestureDetector( onTap: () => _setTransactionPriority(context), child: Container( padding: EdgeInsets.only(top: 24), child: Row( mainAxisAlignment: MainAxisAlignment.spaceBetween, crossAxisAlignment: CrossAxisAlignment.start, children: [ Text( S .of(context) .send_estimated_fee, style: TextStyle( fontSize: 12, fontWeight: FontWeight.w500, //color: Theme.of(context).primaryTextTheme.display2.color, color: Colors.white)), Container( child: Row( crossAxisAlignment: CrossAxisAlignment.start, children: [ Column( mainAxisAlignment: MainAxisAlignment.start, crossAxisAlignment: CrossAxisAlignment.end, children: [ Text( sendViewModel .estimatedFee .toString() + ' ' + sendViewModel .currency.title, style: TextStyle( fontSize: 12, fontWeight: FontWeight.w600, //color: Theme.of(context).primaryTextTheme.display2.color, color: Colors.white)), Padding( padding: EdgeInsets.only(top: 5), child: Text( sendViewModel .estimatedFeeFiatAmount + ' ' + sendViewModel .fiat.title, style: TextStyle( fontSize: 12, fontWeight: FontWeight.w600, color: Theme .of(context) .primaryTextTheme .headline .decorationColor)) ), ], ), Padding( padding: EdgeInsets.only( top: 2, left: 5), child: Icon( Icons.arrow_forward_ios, size: 12, color: Colors.white, ), ) ], ), ) ], ), ), )) ], ), ) ]), ), ), Padding( padding: EdgeInsets.only(top: 30, left: 24, bottom: 24), child: Row( mainAxisAlignment: MainAxisAlignment.start, children: [ Text( S.of(context).send_templates, style: TextStyle( fontSize: 18, fontWeight: FontWeight.w600, color: Theme.of(context) .primaryTextTheme .display4 .color), ) ], ), ), Container( height: 40, width: double.infinity, padding: EdgeInsets.only(left: 24), child: SingleChildScrollView( scrollDirection: Axis.horizontal, child: Row( children: [ GestureDetector( onTap: () => Navigator.of(context) .pushNamed(Routes.sendTemplate), child: Container( padding: EdgeInsets.only(left: 1, right: 10), child: DottedBorder( borderType: BorderType.RRect, dashPattern: [6, 4], color: Theme.of(context) .primaryTextTheme .display2 .decorationColor, strokeWidth: 2, radius: Radius.circular(20), child: Container( height: 34, width: 75, padding: EdgeInsets.only(left: 10, right: 10), alignment: Alignment.center, decoration: BoxDecoration( borderRadius: BorderRadius.all(Radius.circular(20)), color: Colors.transparent, ), child: Text( S.of(context).send_new, style: TextStyle( fontSize: 14, fontWeight: FontWeight.w600, color: Theme.of(context) .primaryTextTheme .display3 .color), ), )), ), ), Observer(builder: (_) { final templates = sendViewModel.templates; final itemCount = templates.length; return ListView.builder( scrollDirection: Axis.horizontal, shrinkWrap: true, physics: NeverScrollableScrollPhysics(), itemCount: itemCount, itemBuilder: (context, index) { final template = templates[index]; return TemplateTile( key: UniqueKey(), to: template.name, amount: template.amount, from: template.cryptoCurrency, onTap: () { _addressController.text = template.address; _cryptoAmountController.text = template.amount; getOpenaliasRecord(context); }, onRemove: () { showPopUp( context: context, builder: (dialogContext) { return AlertWithTwoActions( alertTitle: S.of(context).template, alertContent: S .of(context) .confirm_delete_template, rightButtonText: S.of(context).delete, leftButtonText: S.of(context).cancel, actionRightButton: () { Navigator.of(dialogContext) .pop(); sendViewModel.removeTemplate( template: template); sendViewModel .updateTemplate(); }, actionLeftButton: () => Navigator.of(dialogContext) .pop()); }); }, ); }); }) ], ), ), ) ], ), bottomSectionPadding: EdgeInsets.only(left: 24, right: 24, bottom: 24), bottomSection: Observer(builder: (_) { return LoadingPrimaryButton( onPressed: () async { if (_formKey.currentState.validate()) { await sendViewModel.createTransaction(); } }, text: S.of(context).send, color: Theme.of(context).accentTextTheme.body2.color, textColor: Colors.white, isLoading: sendViewModel.state is IsExecutingState || sendViewModel.state is TransactionCommitting, isDisabled: false // FIXME !(syncStore.status is SyncedSyncStatus), ); })), )); } void _setEffects(BuildContext context) { if (_effectsInstalled) { return; } _cryptoAmountController.addListener(() { final amount = _cryptoAmountController.text; if (sendViewModel.sendAll && amount != S.current.all) { sendViewModel.sendAll = false; } if (amount != sendViewModel.cryptoAmount) { sendViewModel.setCryptoAmount(amount); } }); _fiatAmountController.addListener(() { final amount = _fiatAmountController.text; if (amount != sendViewModel.fiatAmount) { sendViewModel.sendAll = false; sendViewModel.setFiatAmount(amount); } }); _noteController.addListener(() { final note = _noteController.text ?? ''; if (note != sendViewModel.note) { sendViewModel.note = note; } }); reaction((_) => sendViewModel.sendAll, (bool all) { if (all) { _cryptoAmountController.text = S.current.all; _fiatAmountController.text = null; } }); reaction((_) => sendViewModel.fiatAmount, (String amount) { if (amount != _fiatAmountController.text) { _fiatAmountController.text = amount; } }); reaction((_) => sendViewModel.cryptoAmount, (String amount) { if (sendViewModel.sendAll && amount != S.current.all) { sendViewModel.sendAll = false; } if (amount != _cryptoAmountController.text) { _cryptoAmountController.text = amount; } }); reaction((_) => sendViewModel.address, (String address) { if (address != _addressController.text) { _addressController.text = address; } }); _addressController.addListener(() { final address = _addressController.text; if (sendViewModel.address != address) { sendViewModel.address = address; } }); reaction((_) => sendViewModel.note, (String note) { if (note != _noteController.text) { _noteController.text = note; } }); reaction((_) => sendViewModel.state, (ExecutionState state) { if (state is FailureState) { WidgetsBinding.instance.addPostFrameCallback((_) { showPopUp( context: context, builder: (BuildContext context) { return AlertWithOneAction( alertTitle: S.of(context).error, alertContent: state.error, buttonText: S.of(context).ok, buttonAction: () => Navigator.of(context).pop()); }); }); } if (state is ExecutedSuccessfullyState) { WidgetsBinding.instance.addPostFrameCallback((_) { showPopUp( context: context, builder: (BuildContext context) { return ConfirmSendingAlert( alertTitle: S.of(context).confirm_sending, amount: S.of(context).send_amount, amountValue: sendViewModel.pendingTransaction.amountFormatted, fiatAmountValue: sendViewModel.pendingTransactionFiatAmount + ' ' + sendViewModel.fiat.title, fee: S.of(context).send_fee, feeValue: sendViewModel.pendingTransaction.feeFormatted, feeFiatAmount: sendViewModel.pendingTransactionFeeFiatAmount + ' ' + sendViewModel.fiat.title, recipientTitle: S.of(context).recipient_address, recipientAddress: sendViewModel.address, rightButtonText: S.of(context).ok, leftButtonText: S.of(context).cancel, actionRightButton: () { Navigator.of(context).pop(); sendViewModel.commitTransaction(); showPopUp( context: context, builder: (BuildContext context) { return Observer(builder: (_) { final state = sendViewModel.state; if (state is FailureState) { Navigator.of(context).pop(); } if (state is TransactionCommitted) { return AlertWithOneAction( alertTitle: '', alertContent: S.of(context).send_success( sendViewModel.currency .toString()), buttonText: S.of(context).ok, buttonAction: () => Navigator.of(context).pop()); } return Offstage(); }); }); }, actionLeftButton: () => Navigator.of(context).pop()); }); }); } if (state is TransactionCommitted) { WidgetsBinding.instance.addPostFrameCallback((_) { _addressController.text = ''; _cryptoAmountController.text = ''; }); } }); _effectsInstalled = true; } Future getOpenaliasRecord(BuildContext context) async { final record = await sendViewModel.decodeOpenaliasRecord(_addressController.text); if (record != null) { _addressController.text = record.address; await showPopUp( context: context, builder: (BuildContext context) { return AlertWithOneAction( alertTitle: S.of(context).openalias_alert_title, alertContent: S.of(context).openalias_alert_content(record.name), buttonText: S.of(context).ok, buttonAction: () => Navigator.of(context).pop()); }); } } Future _setTransactionPriority(BuildContext context) async { final items = TransactionPriority.forWalletType(sendViewModel.walletType); final selectedItem = items.indexOf(sendViewModel.transactionPriority); final isShowScrollThumb = items.length > 3; await showPopUp( builder: (_) => Picker( items: items, selectedAtIndex: selectedItem, title: S.of(context).please_select, mainAxisAlignment: MainAxisAlignment.center, onItemSelected: (TransactionPriority priority) => sendViewModel.setTransactionPriority(priority), ), context: context); } }