105 lines
3.4 KiB
Dart
105 lines
3.4 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'dart:convert';
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import 'dart:async';
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import 'main.dart';
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import 'base_state.dart';
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import 'purchase_success.dart';
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/// Экран проведения покупки.
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class PurchaseScreen extends StatefulWidget {
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@override State createState() => new PurchaseScreenState<PurchaseScreen>();
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}
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class PurchaseScreenState<T> extends BaseState<T> {
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String integerPart = '', fractionalPart = '';
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@override String getTitle() {
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return "Проведение покупки";
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}
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@override getHint() {
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return 'Сумма';
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}
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@overide getMenuButtons(BuildContext context) {
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return <Widget>[
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new getFaqButton(),
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new getLogoutButton()
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];
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}
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@override Widget getScreenContent() {
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return new Container(height: 412.0,
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child: new ListView(reverse: true, children: <Widget>[
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new Column(children: <Widget>[
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getValueWithTitle('ФИО', 'Знаменитый Рокер Паук'),
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getValueWithTitle('Карта', 'B0399900702'),
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getValueWithTitle('Вознаграждение', '100%'),
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getHintLabel(),
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getDecoratedTextWidget(),
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buildButton(new EdgeInsets.only(top: 36.0, left: buttonVerticalMargin, right: buttonVerticalMargin), buildRaisedButton(context, 'ЗАВЕРШИТЬ ПОКУПКУ', () => _purchase(context))),
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buildButton(new EdgeInsets.only(top: 24.0, left: buttonVerticalMargin, right: buttonVerticalMargin), buildFlatButton(context, 'СКАНИРОВАТЬ', primaryColor))])
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].reversed.toList()));
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}
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@override Color getTextFilledBackground() {
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return Colors.white;
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}
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/// Смена состояния экрана при изменении текста в поле ввода.
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@override handleUserInput(String tmpString) {
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setState(() {
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tmpString = tmpString.replaceAll('-', '');
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tmpString = tmpString.replaceAll(', ', '');
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print(tmpString);
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if (tmpString.contains('.')) {
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int dotIndex = tmpString.indexOf('.');
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integerPart = tmpString.substring(0, dotIndex);
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fractionalPart = tmpString.substring(dotIndex + 1, tmpString.length);
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if (fractionalPart.length > 2) {
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fractionalPart = fractionalPart.substring(0, 2);
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}
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controller.text = '${integerPart}.${fractionalPart}';
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} else {
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integerPart = tmpString;
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controller.text = tmpString;
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}
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textFieldValue = tmpString;
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});
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}
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_buildSum() {
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String temporaryInteger = integerPart;
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String temporaryFractional = fractionalPart;
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while (temporaryFractional.length < 2) {
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temporaryFractional = temporaryFractional + '0';
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}
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return temporaryInteger + '.' + temporaryFractional;
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}
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_purchase(BuildContext context) {
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String val = _buildSum();
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showDialog(context: context, child: new AlertDialog(
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title: new Text('Подтверждение'),
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content: new Text('Вы подтверждаете покупку на ${val} руб?'),
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actions: <Widget>[
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new FlatButton(
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child: new Text('Нет'),
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onPressed: () {
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Navigator.of(context).pop();
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},
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),
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new FlatButton(
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child: new Text('Да'),
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onPressed: () {
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pushRoute(context, new PurchaseSuccessScreen(val));
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},
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)
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]));
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}
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} |