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make ui at least usable throughout
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This commit is contained in:
Remy Moll 2024-09-30 18:07:27 +02:00
parent 39df97f4d1
commit 55b0a1b793
6 changed files with 177 additions and 127 deletions
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37
frontend/lib/modules/current_trip_error_message.dart Normal file
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@ -0,0 +1,37 @@
import 'package:anyway/structs/trip.dart';
import 'package:auto_size_text/auto_size_text.dart';
import 'package:flutter/material.dart';
class CurrentTripErrorMessage extends StatefulWidget {
final Trip trip;
const CurrentTripErrorMessage({
super.key,
required this.trip,
});
@override
State<CurrentTripErrorMessage> createState() => _CurrentTripErrorMessageState();
}
class _CurrentTripErrorMessageState extends State<CurrentTripErrorMessage> {
@override
Widget build(BuildContext context) => Center(
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(
Icons.error_outline,
color: Colors.red,
size: 50,
),
const Padding(
padding: EdgeInsets.only(left: 10),
),
AutoSizeText(
'Error: ${widget.trip.errorDescription}',
maxLines: 3,
),
],
)
);
}

133
frontend/lib/modules/current_trip_greeter.dart
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@ -1,111 +1,50 @@
import 'dart:developer';
import 'package:anyway/constants.dart';
import 'package:anyway/structs/trip.dart';
import 'package:flutter/material.dart';
import 'package:auto_size_text/auto_size_text.dart';
import 'package:flutter/material.dart';
import 'package:anyway/pages/current_trip.dart';
import 'package:anyway/structs/trip.dart';
class Greeter extends StatefulWidget {
class CurrentTripGreeter extends StatefulWidget {
final Trip trip;
Greeter({
CurrentTripGreeter({
super.key,
required this.trip,
});
@override
State<Greeter> createState() => _GreeterState();
State<CurrentTripGreeter> createState() => _CurrentTripGreeterState();
}
class _GreeterState extends State<Greeter> {
Widget greeterBuilder (BuildContext context, Widget? child) {
final Shader textGradient = APP_GRADIENT.createShader(Rect.fromLTWH(0.0, 0.0, 200.0, 70.0));
TextStyle greeterStyle = TextStyle(
foreground: Paint()..shader = textGradient,
fontWeight: FontWeight.bold,
fontSize: 26
);
Widget topGreeter;
if (widget.trip.uuid != 'pending') {
topGreeter = FutureBuilder(
future: widget.trip.cityName,
builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
if (snapshot.hasData) {
return AutoSizeText(
maxLines: 1,
'Welcome to ${snapshot.data}!',
style: greeterStyle
);
} else if (snapshot.hasError) {
log('Error while fetching city name');
return AutoSizeText(
maxLines: 1,
'Welcome to your trip!',
style: greeterStyle
);
} else {
return AutoSizeText(
maxLines: 1,
'Welcome to ...',
style: greeterStyle
);
}
}
);
} else {
// still awaiting the trip
// We can hopefully infer the city name from the cityName future
// Show a linear loader at the bottom and an info message above
topGreeter = Column(
mainAxisAlignment: MainAxisAlignment.end,
children: [
FutureBuilder(
future: widget.trip.cityName,
builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
if (snapshot.hasData) {
return AutoSizeText(
maxLines: 1,
'Generating your trip to ${snapshot.data}...',
style: greeterStyle
);
} else if (snapshot.hasError) {
// the exact error is shown in the central part of the trip overview. No need to show it here
return AutoSizeText(
maxLines: 1,
'Error while loading trip.',
style: greeterStyle
);
}
return AutoSizeText(
maxLines: 1,
'Generating your trip...',
style: greeterStyle
);
}
),
Padding(
padding: EdgeInsets.all(5),
child: const LinearProgressIndicator()
)
]
);
}
return Center(
child: topGreeter,
);
}
class _CurrentTripGreeterState extends State<CurrentTripGreeter> {
@override
Widget build(BuildContext context) {
return ListenableBuilder(
listenable: widget.trip,
builder: greeterBuilder,
);
}
Widget build(BuildContext context) => Center(
child: FutureBuilder(
future: widget.trip.cityName,
builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
if (snapshot.hasData) {
return AutoSizeText(
maxLines: 1,
'Welcome to ${snapshot.data}!',
style: greeterStyle
);
} else if (snapshot.hasError) {
return AutoSizeText(
maxLines: 1,
'Welcome to your trip!',
style: greeterStyle
);
} else {
return AutoSizeText(
maxLines: 1,
'Welcome to ...',
style: greeterStyle
);
}
}
)
);
}

60
frontend/lib/modules/current_trip_loading_indicator.dart Normal file
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@ -0,0 +1,60 @@
import 'package:flutter/material.dart';
import 'package:auto_size_text/auto_size_text.dart';
import 'package:anyway/structs/trip.dart';
import 'package:anyway/pages/current_trip.dart';
class CurrentTripLoadingIndicator extends StatefulWidget {
final Trip trip;
const CurrentTripLoadingIndicator({
super.key,
required this.trip,
});
@override
State<CurrentTripLoadingIndicator> createState() => _CurrentTripLoadingIndicatorState();
}
class _CurrentTripLoadingIndicatorState extends State<CurrentTripLoadingIndicator> {
@override
Widget build(BuildContext context) => Center(
child: FutureBuilder(
future: widget.trip.cityName,
builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
Widget greeter;
Widget loadingIndicator = const Padding(
padding: EdgeInsets.only(top: 10),
child: CircularProgressIndicator()
);
if (snapshot.hasData) {
greeter = AutoSizeText(
maxLines: 1,
'Generating your trip to ${snapshot.data}...',
style: greeterStyle,
);
} else if (snapshot.hasError) {
// the exact error is shown in the central part of the trip overview. No need to show it here
greeter = AutoSizeText(
maxLines: 1,
'Error while loading trip.',
style: greeterStyle,
);
} else {
greeter = AutoSizeText(
maxLines: 1,
'Generating your trip...',
style: greeterStyle,
);
}
return Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
greeter,
loadingIndicator,
],
);
}
)
);
}

50
frontend/lib/modules/current_trip_panel.dart
View File

@ -1,4 +1,6 @@
import 'package:anyway/constants.dart';
import 'package:anyway/modules/current_trip_error_message.dart';
import 'package:anyway/modules/current_trip_loading_indicator.dart';
import 'package:flutter/material.dart';
import 'package:anyway/structs/trip.dart';
@ -28,16 +30,36 @@ class _CurrentTripPanelState extends State<CurrentTripPanel> {
return ListenableBuilder(
listenable: widget.trip,
builder: (context, child) {
if (widget.trip.uuid != 'pending' && widget.trip.uuid != 'error') {
if (widget.trip.uuid == 'error') {
return Align(
alignment: Alignment.topCenter,
child: SizedBox(
// reuse the exact same height as the panel has when collapsed
// this way the greeter will be centered when the panel is collapsed
height: MediaQuery.of(context).size.height * TRIP_PANEL_MIN_HEIGHT - 20,
child: CurrentTripErrorMessage(trip: widget.trip)
),
);
} else if (widget.trip.uuid == 'pending') {
return Align(
alignment: Alignment.topCenter,
child: SizedBox(
// reuse the exact same height as the panel has when collapsed
// this way the greeter will be centered when the panel is collapsed
height: MediaQuery.of(context).size.height * TRIP_PANEL_MIN_HEIGHT - 20,
child: CurrentTripLoadingIndicator(trip: widget.trip),
),
);
} else {
return ListView(
controller: widget.controller,
padding: const EdgeInsets.only(bottom: 30, left: 5, right: 5),
padding: const EdgeInsets.only(bottom: 30),
children: [
SizedBox(
// reuse the exact same height as the panel has when collapsed
// this way the greeter will be centered when the panel is collapsed
height: MediaQuery.of(context).size.height * TRIP_PANEL_MIN_HEIGHT - 20,
child: Greeter(trip: widget.trip),
child: CurrentTripGreeter(trip: widget.trip),
),
const Padding(padding: EdgeInsets.only(top: 10)),
@ -53,28 +75,6 @@ class _CurrentTripPanelState extends State<CurrentTripPanel> {
Center(child: saveButton(widget.trip)),
],
);
} else if(widget.trip.uuid == 'pending') {
return SizedBox(
// reuse the exact same height as the panel has when collapsed
// this way the greeter will be centered when the panel is collapsed
height: MediaQuery.of(context).size.height * TRIP_PANEL_MIN_HEIGHT - 20,
child: Greeter(trip: widget.trip)
);
} else {
return Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(
Icons.error_outline,
color: Colors.red,
size: 50,
),
Padding(
padding: const EdgeInsets.only(left: 10),
child: Text('Error: ${widget.trip.errorDescription}'),
),
],
);
}
}
);

8
frontend/lib/pages/current_trip.dart
View File

@ -6,6 +6,12 @@ import 'package:anyway/structs/trip.dart';
import 'package:anyway/modules/current_trip_map.dart';
import 'package:anyway/modules/current_trip_panel.dart';
final Shader textGradient = APP_GRADIENT.createShader(Rect.fromLTWH(0.0, 0.0, 200.0, 70.0));
TextStyle greeterStyle = TextStyle(
foreground: Paint()..shader = textGradient,
fontWeight: FontWeight.bold,
fontSize: 26
);
class TripPage extends StatefulWidget {
@ -35,7 +41,7 @@ class _TripPageState extends State<TripPage> {
maxHeight: MediaQuery.of(context).size.height * TRIP_PANEL_MAX_HEIGHT,
// padding in this context is annoying: it offsets the notion of vertical alignment.
// children that want to be centered vertically need to have their size adjusted by 2x the padding
padding: const EdgeInsets.only(top: 10),
padding: const EdgeInsets.all(10.0),
// Panel snapping should not be disabled because it significantly improves the user experience
// panelSnapping: false
borderRadius: const BorderRadius.only(topLeft: Radius.circular(25), topRight: Radius.circular(25)),

16
frontend/lib/utils/fetch_trip.dart
View File

@ -38,10 +38,18 @@ fetchTrip(
String dataString = jsonEncode(data);
log(dataString);
final response = await dio.post(
"/trip/new",
data: data
);
late Response response;
try {
response = await dio.post(
"/trip/new",
data: data
);
} catch (e) {
trip.updateUUID("error");
trip.updateError(e.toString());
log(e.toString());
return;
}
// handle errors
if (response.statusCode != 200) {