96 lines
2.7 KiB
Dart
96 lines
2.7 KiB
Dart
import 'package:anyway/structs/trip.dart';
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import 'package:flutter/material.dart';
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class Greeter extends StatefulWidget {
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final Trip trip;
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Greeter({
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required this.trip,
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});
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@override
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State<Greeter> createState() => _GreeterState();
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}
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class _GreeterState extends State<Greeter> {
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Widget greeterBuilder (BuildContext context, Widget? child) {
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ThemeData theme = Theme.of(context);
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Widget topGreeter;
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if (widget.trip.landmarks.length > 1) {
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topGreeter = FutureBuilder(
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future: widget.trip.cityName,
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builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
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if (snapshot.hasData) {
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return Text(
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'Welcome to ${snapshot.data}!',
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style: TextStyle(color: theme.primaryColor, fontWeight: FontWeight.bold, fontSize: 24),
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);
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} else if (snapshot.hasError) {
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return const Text('Welcome to your trip!');
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} else {
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return const Text('Welcome to ...');
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}
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}
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);
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} else {
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// still awaiting the trip
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// We can hopefully infer the city name from the cityName future
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// Show a linear loader at the bottom and an info message above
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topGreeter = Column(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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FutureBuilder(
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future: widget.trip.cityName,
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builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
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if (snapshot.hasData) {
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return Text(
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'Generating your trip to ${snapshot.data}...',
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style: TextStyle(color: theme.primaryColor, fontWeight: FontWeight.bold, fontSize: 24),
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);
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} else if (snapshot.hasError) {
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return const Text('Error while fetching city name');
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}
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return const Text('Generating your trip...');
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}
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),
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Padding(
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padding: EdgeInsets.all(5),
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child: const LinearProgressIndicator()
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)
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]
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);
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}
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return Center(
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child: Column(
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children: [
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// Padding(padding: EdgeInsets.only(top: 20)),
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topGreeter,
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Padding(
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padding: EdgeInsets.all(20),
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child: bottomGreeter
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),
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],
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)
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);
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}
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Widget bottomGreeter = const Text(
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"Busy day ahead? Here is how to make the most of it!",
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style: TextStyle(color: Colors.black, fontSize: 18),
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textAlign: TextAlign.center,
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);
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@override
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Widget build(BuildContext context) {
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return ListenableBuilder(
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listenable: widget.trip,
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builder: greeterBuilder,
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);
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}
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} |