122 lines
3.3 KiB
Dart
122 lines
3.3 KiB
Dart
import 'dart:async';
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import 'package:checker/base/base_screen.dart';
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import 'package:checker/base/base_state.dart';
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import 'package:checker/common.dart';
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import 'package:checker/consts.dart';
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import 'package:checker/db.dart';
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import 'package:checker/screens/currencies.dart';
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import 'package:checker/strings.dart';
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import 'package:flutter/material.dart';
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class SettingsScreen extends BaseScreen {
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final bool returnToScanner;
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SettingsScreen(helper, app, this.returnToScanner) : super(helper, app);
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@override State createState() => new SettingsState(helper, app, returnToScanner);
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}
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class MenuItem {
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// Заголовок пункта меню и выбранное значение.
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String title, selectedValue;
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MenuItem(this.title, this.selectedValue);
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}
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class SettingsState extends BaseState<SettingsScreen> {
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List<MenuItem> menuItems = [new MenuItem(StringsLocalization.currency(), '')];
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bool returnToScanner;
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SettingsState(SqliteHelper helper, String app, bool returnToScanner) {
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this.helper = helper;
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this.app = app;
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this.returnToScanner = returnToScanner;
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}
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@override Widget build(BuildContext ctx) {
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helper.getSettings().then((info) {
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if (menuItems != null) {
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if (menuItems[0].selectedValue != info['currency'].toString()) {
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setState(() {
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menuItems[0].selectedValue = info['currency'].toString();
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});
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}
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}
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});
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return new WillPopScope(onWillPop: onWillPop, child: getMainWidget());
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}
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@override
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Widget getScreenContent() {
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return menuItems == null
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? getBackground()
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: new Container(
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margin: new EdgeInsets.only(top: 16.0),
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child: new ListView(children: getSettings()));
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}
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@override
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List<Widget> getMenuButtons() {
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return null;
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}
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List<Widget> getSettings() {
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List<Widget> widgets = new List();
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for (MenuItem item in menuItems) {
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if (item.selectedValue != '') {
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widgets.add(getSettingsItem(item));
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}
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}
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return widgets;
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}
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Widget getSettingsItem(MenuItem item) {
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return new Container(
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height: 56.0,
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padding: new EdgeInsets.only(left: 8.0),
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child: (new FlatButton(
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onPressed: () => onPressed(menuItems.indexOf(item)),
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child: new Row(children: <Widget>[
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new Expanded(child: new Text(item.title, style: new TextStyle(
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fontWeight: FontWeight.w600,
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color: faqGrey,
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fontSize: 14.0))),
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new Text(getCurrencyTitle(int.parse(item.selectedValue)),
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style: new TextStyle(
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fontWeight: FontWeight.w400,
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color: faqGrey,
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fontSize: 14.0)),
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getArrow()
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]))));
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}
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void onPressed(int position) {
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switch (position) {
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case 0 :
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return pushRoute(context, new CurrenciesScreen(helper, app));
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}
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}
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Widget getArrow() {
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return new Container(margin: new EdgeInsets.only(left: 8.0),
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child: new Image.asset(settings_arrow_png, height: 42.0));
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}
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@override
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String getTitle() {
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return StringsLocalization.settings();
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}
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onWillPop() {
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if(returnToScanner) {
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return startScanner(context, app, helper);
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} else {
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return true;
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}
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}
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} |