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added edit_task page

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benimautner 2022-04-10 18:55:34 +02:00
parent f9c79f7bcd
commit 66380776eb
1 changed files with 191 additions and 0 deletions
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lib/pages/task/edit_task.dart Normal file
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import 'dart:developer';
import 'package:flutter/material.dart';
import 'package:vikunja_app/global.dart';
import 'package:vikunja_app/models/task.dart';
import 'package:vikunja_app/theme/button.dart';
import 'package:vikunja_app/theme/buttonText.dart';
class TaskEditPage extends StatefulWidget {
final Task task;
TaskEditPage({this.task}) : super(key: Key(task.toString()));
@override
State<StatefulWidget> createState() => _TaskEditPageState();
}
class _TaskEditPageState extends State<TaskEditPage> {
final _formKey = GlobalKey<FormState>();
bool _loading = false;
String _title, _description;
bool _done;
bool changed = false;
TextEditingController _title_controller = TextEditingController();
TextEditingController _description_controller = new TextEditingController();
@override
Widget build(BuildContext ctx) {
_title_controller.text = (widget.task.title);
_description_controller.text = (widget.task.description);
if(widget.task.done == null)
widget.task.done = false;
return new WillPopScope(onWillPop: () {
if(changed) {
return _showConfirmationDialog();
}
return new Future(() => true);
},
child: Scaffold(
appBar: AppBar(
title: Text('Edit Task'),
),
body: Builder(
builder: (BuildContext context) => SafeArea(
child: Form(
key: _formKey,
child: ListView(
padding: const EdgeInsets.all(16.0),
children: <Widget>[
Padding(
padding: EdgeInsets.symmetric(vertical: 10.0),
child: TextFormField(
controller: _title_controller,
maxLines: null,
keyboardType: TextInputType.multiline,
onSaved: (title) {_title = title; changed = true;},
validator: (name) {
if (name.length < 3 || name.length > 250) {
return 'The name needs to have between 3 and 250 characters.';
}
return null;
},
decoration: new InputDecoration(
labelText: 'Title',
border: OutlineInputBorder(),
),
),
),
Padding(
padding: EdgeInsets.symmetric(vertical: 10.0),
child: TextFormField(
controller: _description_controller,
maxLines: null,
keyboardType: TextInputType.multiline,
onSaved: (description) {_description = description; changed = true;},
validator: (description) {
if (description.length > 1000) {
return 'The description can have a maximum of 1000 characters.';
}
return null;
},
decoration: new InputDecoration(
labelText: 'Description',
border: OutlineInputBorder(),
),
),
),
Padding(
padding: EdgeInsets.symmetric(vertical: 10.0),
child: CheckboxListTile(
controlAffinity: ListTileControlAffinity.leading,
title: const Text("Done"),
value: _done ?? widget.task.done,
onChanged: (done) {
setState(() {
_done = done;
changed = true;
});
}),
),
Builder(
builder: (context) => Padding(
padding: EdgeInsets.symmetric(vertical: 10.0),
child: FancyButton(
onPressed: !_loading
? () {
if (_formKey.currentState.validate()) {
Form.of(context).save();
_saveTask(context);
}
}
: null,
child: _loading
? CircularProgressIndicator()
: VikunjaButtonText('Save'),
))),
]),
),
),
),
)
);
}
_saveTask(BuildContext context) async {
setState(() => _loading = true);
Task updatedTask = widget.task;
updatedTask.title = _title;
updatedTask.description = _description;
updatedTask.done = _done;
VikunjaGlobal.of(context)
.taskService
.update(updatedTask)
.then((_) {
setState(() {_loading = false; changed = false;});
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text('The task was updated successfully!'),
));
}).catchError((err) {
setState(() => _loading = false);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Something went wrong: ' + err.toString()),
action: SnackBarAction(
label: 'CLOSE',
onPressed: ScaffoldMessenger.of(context).hideCurrentSnackBar),
),
);
});
}
Future<bool> _showConfirmationDialog() async {
return showDialog<bool>(
context: context,
barrierDismissible: false,
builder: (BuildContext context) {
return AlertDialog(
title: Text('You have unsaved changes!'),
content: SingleChildScrollView(
child: Column(
children: <Widget>[
Text('Would you like to dismiss those changes?'),
],
),
),
actions: <Widget>[
TextButton(
child: Text('Dismiss'),
onPressed: () {
log("Dismiss");
Navigator.pop(context);
// make sure the list is refreshed
Navigator.pop(context);
},
),
TextButton(
child: Text('Cancel'),
onPressed: () {
log("cancel");
Navigator.pop(context);
},
),
],
);
},
);
}
}