2019-09-02 15:52:32 +02:00
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import 'dart:io';
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2019-09-23 11:08:51 +02:00
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import 'dart:async';
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2019-09-02 15:52:32 +02:00
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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class DialogOption<T> {
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final T value;
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final Widget widget;
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DialogOption({this.value, this.widget});
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}
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2019-09-19 15:10:50 +02:00
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class AppThemeType {
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2019-09-02 15:52:32 +02:00
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static const material = 0;
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static const cupertino = 1;
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2019-09-19 15:10:50 +02:00
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static const values = [AppThemeType.material, AppThemeType.cupertino];
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2019-09-02 15:52:32 +02:00
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}
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2019-09-29 09:35:33 +02:00
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class PickerItem<T> {
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final T value;
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final String text;
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PickerItem(this.value, {@required this.text});
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}
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class PickerGroupItem<T> {
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final T value;
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final List<PickerItem<T>> items;
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final Function(T value) onChange;
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final Function(T value) onClose;
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PickerGroupItem({
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@required this.value,
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@required this.items,
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this.onChange,
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this.onClose,
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});
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}
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2019-10-02 08:58:11 +02:00
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class SelectorItem<T> {
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T value;
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String text;
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SelectorItem({@required this.value, @required this.text});
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}
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2019-09-29 10:01:03 +02:00
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// No animation. For replacing route
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// TODO: Go back
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class StaticRoute extends PageRouteBuilder {
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final WidgetBuilder builder;
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StaticRoute({this.builder})
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: super(
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pageBuilder: (BuildContext context, Animation<double> animation,
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Animation<double> secondaryAnimation) {
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return builder(context);
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},
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transitionsBuilder: (BuildContext context,
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Animation<double> animation,
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Animation<double> secondaryAnimation,
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Widget child) {
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return child;
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},
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);
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}
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2019-09-02 15:52:32 +02:00
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class ThemeModel with ChangeNotifier {
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static const storageKey = 'theme';
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int _theme;
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int get theme => _theme;
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bool get ready => _theme != null;
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init() async {
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var prefs = await SharedPreferences.getInstance();
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int v = prefs.getInt(storageKey);
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print('read theme: $v');
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2019-09-19 15:10:50 +02:00
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if (AppThemeType.values.contains(v)) {
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_theme = v;
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} else if (Platform.isIOS) {
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2019-09-19 15:10:50 +02:00
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_theme = AppThemeType.cupertino;
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2019-09-02 15:52:32 +02:00
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} else {
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_theme = AppThemeType.material;
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2019-09-02 15:52:32 +02:00
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}
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notifyListeners();
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}
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Future<void> setTheme(int v) async {
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SharedPreferences prefs = await SharedPreferences.getInstance();
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_theme = v;
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await prefs.setInt(storageKey, v);
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print('write theme: $v');
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notifyListeners();
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}
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2019-09-23 12:13:21 +02:00
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pushRoute(
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BuildContext context,
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WidgetBuilder builder, {
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bool fullscreenDialog = false,
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}) {
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switch (theme) {
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case AppThemeType.cupertino:
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return Navigator.of(context).push(CupertinoPageRoute(
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builder: builder,
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fullscreenDialog: fullscreenDialog,
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));
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default:
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return Navigator.of(context).push(MaterialPageRoute(
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2019-09-02 15:52:32 +02:00
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builder: builder,
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fullscreenDialog: fullscreenDialog,
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));
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}
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}
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2019-09-23 12:13:21 +02:00
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pushReplacementRoute(BuildContext context, WidgetBuilder builder) {
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2019-09-29 10:01:03 +02:00
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return Navigator.of(context).pushReplacement(StaticRoute(builder: builder));
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2019-09-23 12:13:21 +02:00
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}
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2019-09-02 15:52:32 +02:00
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Future<bool> showConfirm(BuildContext context, String text) {
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switch (theme) {
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case AppThemeType.cupertino:
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return showCupertinoDialog(
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context: context,
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builder: (context) {
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return CupertinoAlertDialog(
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title: Text(text),
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actions: <Widget>[
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CupertinoDialogAction(
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child: const Text('cancel'),
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isDefaultAction: true,
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onPressed: () {
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Navigator.pop(context, false);
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},
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),
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CupertinoDialogAction(
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child: const Text('OK'),
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onPressed: () {
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Navigator.pop(context, true);
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},
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),
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],
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);
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},
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);
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default:
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return showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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content: Text(
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text,
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// style: dialogTextStyle
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),
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actions: <Widget>[
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FlatButton(
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child: const Text('CANCEL'),
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onPressed: () {
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Navigator.pop(context, false);
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},
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),
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FlatButton(
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child: const Text('OK'),
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onPressed: () {
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Navigator.pop(context, true);
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},
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)
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],
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);
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},
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);
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}
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}
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Future<T> showDialogOptions<T>(
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BuildContext context, List<DialogOption<T>> options) {
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var title = Text('Pick your reaction');
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var cancelWidget = Text('Cancel');
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switch (theme) {
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2019-09-19 15:10:50 +02:00
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case AppThemeType.cupertino:
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return showCupertinoDialog<T>(
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context: context,
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builder: (BuildContext context) {
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return CupertinoAlertDialog(
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title: title,
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actions: options.map((option) {
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return CupertinoDialogAction(
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child: option.widget,
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onPressed: () {
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Navigator.pop(context, option.value);
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},
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);
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}).toList()
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..add(
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CupertinoDialogAction(
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child: cancelWidget,
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isDestructiveAction: true,
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onPressed: () {
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Navigator.pop(context, null);
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},
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),
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),
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);
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},
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);
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default:
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return showDialog(
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context: context,
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builder: (BuildContext context) {
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return SimpleDialog(
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title: title,
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children: options.map<Widget>((option) {
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return SimpleDialogOption(
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child: option.widget,
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onPressed: () {
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Navigator.pop(context, option.value);
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},
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);
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}).toList()
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..add(SimpleDialogOption(
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child: cancelWidget,
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onPressed: () {
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Navigator.pop(context, null);
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},
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)),
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);
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},
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);
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}
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}
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2019-09-23 11:08:51 +02:00
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2019-10-02 08:58:11 +02:00
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showSelector<T>({
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@required BuildContext context,
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@required Iterable<SelectorItem<T>> items,
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@required T selected,
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}) async {
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switch (theme) {
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case AppThemeType.cupertino:
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default:
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return showMenu<T>(
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context: context,
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initialValue: selected,
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items: items
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.map((item) =>
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PopupMenuItem(value: item.value, child: Text(item.text)))
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.toList(),
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position: RelativeRect.fromLTRB(1, 10, 0, 0),
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);
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}
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}
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2019-09-23 11:08:51 +02:00
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2019-10-02 08:58:11 +02:00
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static Timer _debounce;
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2019-09-29 09:35:33 +02:00
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String _selectedItem;
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2019-09-23 11:08:51 +02:00
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showPicker(BuildContext context, PickerGroupItem<String> groupItem) async {
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switch (theme) {
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case AppThemeType.cupertino:
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2019-09-28 18:25:14 +02:00
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default:
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2019-09-29 09:02:06 +02:00
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await showCupertinoModalPopup(
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context: context,
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builder: (context) {
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return Container(
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2019-09-28 18:25:14 +02:00
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height: 216,
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2019-09-23 11:08:51 +02:00
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child: CupertinoPicker(
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backgroundColor: CupertinoColors.white,
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children: groupItem.items.map((v) => Text(v.text)).toList(),
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itemExtent: 40,
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scrollController: FixedExtentScrollController(
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initialItem: groupItem.items
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.toList()
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.indexWhere((v) => v.value == groupItem.value)),
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onSelectedItemChanged: (index) {
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2019-09-29 09:35:33 +02:00
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_selectedItem = groupItem.items[index].value;
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2019-09-29 09:02:06 +02:00
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2019-09-29 09:35:33 +02:00
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if (groupItem.onChange != null) {
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if (_debounce?.isActive ?? false) {
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_debounce.cancel();
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}
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_debounce = Timer(const Duration(milliseconds: 500), () {
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groupItem.onChange(_selectedItem);
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});
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}
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2019-09-23 11:08:51 +02:00
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},
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),
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);
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},
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);
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2019-09-29 09:35:33 +02:00
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if (groupItem.onClose != null) {
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groupItem.onClose(_selectedItem);
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}
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2019-09-23 11:08:51 +02:00
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}
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}
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2019-09-02 15:52:32 +02:00
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}
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