Files
fforte/lib/screens/addCam/add_cam_main.dart
2024-11-22 21:10:42 +01:00

895 lines
34 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:fforte/screens/addCam/cam_widgets.dart';
import 'package:fforte/methods/db_helper.dart';
import 'package:fforte/methods/http_request.dart';
import 'package:fforte/screens/sharedWidgets/datum.dart';
import 'package:fforte/screens/sharedWidgets/var_text_field.dart';
import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
import 'package:geolocator/geolocator.dart';
import 'package:latlong2/latlong.dart';
import 'package:animations/animations.dart';
import 'package:shared_preferences/shared_preferences.dart';
class AddCamMain extends StatefulWidget {
final bool isTemplate;
final bool isFinished;
final bool isSent;
final Map<String, dynamic>? existingData;
const AddCamMain(
{super.key,
this.isTemplate = false,
this.existingData,
this.isFinished = false,
this.isSent = false});
@override
State<AddCamMain> createState() => _AddCamMainState();
}
class _AddCamMainState extends State<AddCamMain> {
// var declaration
int currentStep = 0;
// bool isTemplate = false;
TextEditingController cid = TextEditingController();
TextEditingController rudelC = TextEditingController();
TextEditingController adresse1C = TextEditingController();
TextEditingController adresse2C = TextEditingController();
TextEditingController adresse3C = TextEditingController();
TextEditingController bLandC = TextEditingController();
TextEditingController lkrC = TextEditingController();
TextEditingController beiOrtC = TextEditingController();
TextEditingController ortInfoC = TextEditingController();
TextEditingController ffTypC = TextEditingController();
TextEditingController kSchloNrC = TextEditingController();
TextEditingController auftragC = TextEditingController();
TextEditingController kontAbspC = TextEditingController();
TextEditingController sonstBemC = TextEditingController();
TextEditingController fKontakt1C = TextEditingController();
TextEditingController fKontakt2C = TextEditingController();
TextEditingController fKontakt3C = TextEditingController();
TextEditingController standortC = TextEditingController();
TextEditingController kTage1C = TextEditingController();
TextEditingController kTage2C = TextEditingController();
TextEditingController intKommC = TextEditingController();
TextEditingController betreuungC = TextEditingController();
String selectedStatus = 'aktiv';
String selectedFotoFilm = 'Foto';
String selectedMEZ = 'Sommerzeit';
String selectedPlatzung = '';
Position currentPosition = Position(
longitude: 10.0,
latitude: 51.0,
timestamp: DateTime.now(),
accuracy: 0.0,
altitude: 0.0,
heading: 0.0,
speed: 0.0,
speedAccuracy: 0.0,
altitudeAccuracy: 0.0,
headingAccuracy: 0.0);
DateTime? abbauDat;
DateTime datum = DateTime.now();
DateTime? kontDat = DateTime.now();
DateTime? protoAm = DateTime.now();
Map<String, dynamic> getPlace() {
Map<String, dynamic> place = {
'ID': widget.existingData?['ID'],
'CID': cid.text,
'Rudel': rudelC.text,
'Datum': datum.toString().split(" ").first,
'Adresse1': adresse1C.text,
'Adresse2': adresse2C.text,
'Adresse3': adresse3C.text,
'BLand': bLandC.text,
'Lkr': lkrC.text,
'BeiOrt': beiOrtC.text,
'OrtInfo': ortInfoC.text,
'Status': selectedStatus,
'FFTyp': ffTypC.text,
'FotoFilm': selectedFotoFilm,
'MEZ': selectedMEZ,
'Platzung': selectedPlatzung,
'KSchloNr': kSchloNrC.text,
'KontDat': kontDat.toString().split(" ").first,
'AbbauDat': abbauDat.toString().split(" ").first.replaceAll("null", ""),
'Auftrag': auftragC.text,
'KontAbsp': kontAbspC.text,
'SonstBem': sonstBemC.text,
'FKontakt1': fKontakt1C.text,
'FKontakt2': fKontakt2C.text,
'FKontakt3': fKontakt3C.text,
'Standort': standortC.text,
'KTage1': kTage1C.text,
'KTage2': kTage2C.text,
'ProtoAm': protoAm.toString().split(" ").first,
'IntKomm': intKommC.text,
'Betreuung': betreuungC.text,
'DECLNG': currentPosition.longitude,
'DECLAT': currentPosition.latitude,
};
return place;
}
bool empty = false;
// determine live position with checks for denied permission and turned off location service
Future<Position> _deteterminePosition() async {
bool locationEnabled;
LocationPermission permissionGiven;
locationEnabled = await Geolocator.isLocationServiceEnabled();
if (!locationEnabled && mounted) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(AppLocalizations.of(context)!.locationDisabled)));
return currentPosition;
}
permissionGiven = await Geolocator.checkPermission();
if (permissionGiven == LocationPermission.denied) {
permissionGiven = await Geolocator.requestPermission();
if (permissionGiven == LocationPermission.denied && mounted) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(AppLocalizations.of(context)!.locationForbidden)));
return currentPosition;
}
}
if (permissionGiven == LocationPermission.deniedForever && mounted) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(AppLocalizations.of(context)!.locationForbidden)));
return currentPosition;
}
return currentPosition = await Geolocator.getCurrentPosition();
}
@override
void initState() {
super.initState();
// updates the currentPosition var after the _determine position has finished. Means user view updates with his live location
_deteterminePosition().then((position) {
setState(() {
currentPosition = position;
});
});
// If a template is edited this fills in the existing values
if (widget.isTemplate || widget.isFinished && widget.existingData != null) {
cid.text = widget.existingData!['CID'] ?? "";
rudelC.text = widget.existingData!['Rudel'] ?? "";
adresse1C.text = widget.existingData!['Adresse1'] ?? "";
adresse2C.text = widget.existingData!['Adresse2'] ?? "";
adresse3C.text = widget.existingData!['Adresse3'] ?? "";
bLandC.text = widget.existingData!['BLand'] ?? "";
lkrC.text = widget.existingData!['Lkr'] ?? "";
beiOrtC.text = widget.existingData!['BeiOrt'] ?? "";
ortInfoC.text = widget.existingData!['OrtInfo'] ?? "";
selectedStatus = widget.existingData!['Status'] ?? "";
ffTypC.text = widget.existingData!['FFTyp'] ?? "";
selectedFotoFilm = widget.existingData!['FotoFilm'] ?? "";
selectedMEZ = widget.existingData!['MEZ'] ?? "";
selectedPlatzung = widget.existingData!['Platzung'] ?? "";
kSchloNrC.text = widget.existingData!['KSchloNr'] ?? "";
datum = DateTime.parse(widget.existingData!['Datum']);
kontDat = widget.existingData!['KontDat'] == ""
? null
: DateTime.parse(widget.existingData!['KontDat']);
abbauDat = widget.existingData!['AbbauDat'] == ""
? null
: DateTime.parse(widget.existingData!['AbbauDat']);
auftragC.text = widget.existingData!['Auftrag'] ?? "";
kontAbspC.text = widget.existingData!['KontAbsp'] ?? "";
sonstBemC.text = widget.existingData!['SonstBem'] ?? "";
fKontakt1C.text = widget.existingData!['FKontakt1'] ?? "";
fKontakt2C.text = widget.existingData!['FKontakt2'] ?? "";
fKontakt3C.text = widget.existingData!['FKontakt3'] ?? "";
standortC.text = widget.existingData!['Standort'] ?? "";
kTage1C.text = widget.existingData!['KTage1'].toString();
kTage2C.text = widget.existingData!['KTage2'].toString();
protoAm = widget.existingData!['ProtoAm'] == null
? null
: DateTime.parse(widget.existingData!['ProtoAm']);
intKommC.text = widget.existingData!['IntKomm'] ?? "";
betreuungC.text = widget.existingData!['Betreuung'] ?? "";
}
}
// Function to show the dialog where the user has to choose if he want to safe his values as a template
Future<void> showTemplateDialog(List<String> emptyField) async {
return showDialog(
context: context,
barrierDismissible: false,
builder: (BuildContext context) {
return AlertDialog(
title: Text(AppLocalizations.of(context)!.fieldEmpty),
content: SingleChildScrollView(
child: ListBody(children: <Widget>[Text(emptyField.join("; "))]),
),
actions: <Widget>[
TextButton(
onPressed: () {
Navigator.of(context).pop();
},
child: Text(AppLocalizations.of(context)!.cancel)),
TextButton(
onPressed: () {
saveTemplate();
Navigator.pushNamedAndRemoveUntil(
context, '/home', (route) => false);
},
child: Text(AppLocalizations.of(context)!.template))
],
);
});
}
Future<dynamic> _showServerErrorDialog() {
bool isLoading = false;
return showDialog(
context: context,
builder: (context) {
return StatefulBuilder(
builder: (BuildContext context, StateSetter setState) {
return AlertDialog(
title: Text(AppLocalizations.of(context)!.servererrortitle),
content: isLoading
? const SizedBox(
height: 100,
child: Center(child: CircularProgressIndicator()))
: null,
actions: [
if (!isLoading)
TextButton(
onPressed: () async {
setState(() => isLoading = true);
int errorCode = await _httpRequest();
setState(() => isLoading = false);
if (errorCode != 201 && context.mounted) {
_showServerErrorDialog();
} else {
if (context.mounted) Navigator.pop(context);
saveData(true);
_showSuccessDialog();
}
},
child: Text(AppLocalizations.of(context)!.sendagain)),
if (!isLoading)
TextButton(
onPressed: () {
Navigator.pop(context);
},
child: Text(AppLocalizations.of(context)!.cancel))
],
);
},
);
});
}
Future<void> showSaveOptionsDialog() async {
bool isLoading = false;
return showDialog(
context: context,
barrierDismissible:
false, // Verhindert das Schließen des Dialogs durch den Benutzer
builder: (BuildContext context) {
return StatefulBuilder(
builder: (context, setState) {
return AlertDialog(
title: isLoading
? Text(AppLocalizations.of(context)!.loading)
: Text(AppLocalizations.of(context)!.savemethod),
content: isLoading
? const SizedBox(
height: 100,
child: Center(child: CircularProgressIndicator()))
: null,
actions: [
if (!isLoading)
TextButton(
onPressed: () async {
setState(() => isLoading = true);
saveTemplate();
Navigator.pushNamedAndRemoveUntil(
context, '/home', (route) => false);
},
child: Text(AppLocalizations.of(context)!.template)),
if (!isLoading)
TextButton(
onPressed: () async {
setState(() => isLoading = true);
int errorCode = await _httpRequest();
setState(() => isLoading = false);
if (errorCode != 201 || !context.mounted) {
saveData();
_showServerErrorDialog();
} else {
saveData(true);
_showSuccessDialog();
}
},
child:
Text(AppLocalizations.of(context)!.sendtoserver)),
if (!isLoading)
TextButton(
onPressed: () async {
setState(() => isLoading = true);
saveData();
saveFile();
setState(() => isLoading = false);
},
child: Text(AppLocalizations.of(context)!.saveasfile)),
if (!isLoading)
TextButton(
onPressed: () {
saveData();
Navigator.pushNamedAndRemoveUntil(
context, '/home', (route) => false);
},
child: Text(AppLocalizations.of(context)!.justsave)),
if (!isLoading)
TextButton(
onPressed: () {
Navigator.pop(context);
},
child: Text(AppLocalizations.of(context)!.cancel)),
],
);
},
);
});
}
Future<void> _showSuccessDialog() async {
return showDialog(
context: context,
builder: (context) {
return AlertDialog(
title: Text(AppLocalizations.of(context)!.successful),
actions: [
/* TextButton(
onPressed: () {
Navigator.pop(context);
},
child: Text(AppLocalizations.of(context)!.back)), */
TextButton(
onPressed: () {
Navigator.pushNamedAndRemoveUntil(
context, '/home', (route) => false);
},
child: Text(AppLocalizations.of(context)!.continueB))
],
);
});
}
Future<int> _httpRequest() async {
Map<String, dynamic> place = getPlace();
HttpRequest method = HttpRequest();
await method.httpRequest(jsonEncode(place));
return method.errorCode;
}
Future<void> saveFile() async {
String? selectedDirectory = await FilePicker.platform.getDirectoryPath();
SharedPreferences prefs = await SharedPreferences.getInstance();
Map place = getPlace();
String jsonPlace = jsonEncode(place);
if (selectedDirectory == null) {
if (mounted) Navigator.pop(context);
return;
}
await prefs.setString('saveDir', selectedDirectory);
File file = File(
'$selectedDirectory/${mounted ? AppLocalizations.of(context)!.justplace : const Text('')}-${standortC.text}.txt');
try {
await file.writeAsString(jsonPlace);
} catch (e) {
if (mounted) {
Navigator.pop(context);
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(AppLocalizations.of(context)!.savefilefailed)));
}
return;
}
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Datei gespeichert in $selectedDirectory')));
}
if (mounted) {
Navigator.pushNamedAndRemoveUntil(context, '/home', (route) => false);
}
}
// checks if required fields are not empty. If one is the name will be returned
List<String> validateData() {
List<String> emptyFields = <String>[];
Map<String, TextEditingController> fields = {
AppLocalizations.of(context)!.camLink: cid,
AppLocalizations.of(context)!.rudel: rudelC,
AppLocalizations.of(context)!.adresse1: adresse1C,
AppLocalizations.of(context)!.bland: bLandC,
AppLocalizations.of(context)!.lkr: lkrC,
AppLocalizations.of(context)!.beiort: beiOrtC,
AppLocalizations.of(context)!.status: TextEditingController(text: selectedStatus),
AppLocalizations.of(context)!.fftyp: ffTypC,
"${AppLocalizations.of(context)!.foto} / ${AppLocalizations.of(context)!.filelocation}": TextEditingController(text: selectedFotoFilm),
AppLocalizations.of(context)!.zeiteinstellung: TextEditingController(text: selectedMEZ),
AppLocalizations.of(context)!.platzung: TextEditingController(text: selectedPlatzung),
AppLocalizations.of(context)!.ktage1: kTage1C,
AppLocalizations.of(context)!.ktage1: kTage2C,
AppLocalizations.of(context)!.location: standortC,
};
for (var entry in fields.entries) {
if (entry.value.text.isEmpty) {
emptyFields.add(entry.key);
}
}
empty = false;
if (emptyFields.isNotEmpty) empty = true;
return emptyFields;
}
// If the user decides to safe his values as a template this function is called to save the values in the database
// If the user already edits a template this template will be upadted otherwise a new one will be created
void saveTemplate() async {
var placeDB = DBHelper();
Map<String, dynamic> templates = getPlace();
if (widget.isTemplate) {
await placeDB.updateTemplate(templates);
} else {
await placeDB.addTemplate(templates);
}
}
// If the user has filled all needed values this function will be called to safe them in the database
// * also creates a json string to send it to the server later
void saveData([bool sent = false]) async {
var placeDB = DBHelper();
Map<String, dynamic> place = getPlace();
// Get the ID of the newly added or updated place
int newPlaceId = await placeDB.addPlace(place);
if (sent == true) {
placeDB.updateSent(newPlaceId); // Update 'Sent' using the correct ID
}
if (widget.isTemplate) {
await placeDB.deleteTemplate(cid.text);
}
}
// The widget tree which gets the shown widget from the ./cam_widgets.dart file
// The names of the widgets should be self-explaining
@override
Widget build(BuildContext context) {
// List with the steps. The steps itself will be "shown" later
List<Step> getSteps() => [
// First step
Step(
title: Text(AppLocalizations.of(context)!.firststep),
content: Column(
children: [
Align(
alignment: Alignment.bottomLeft,
child: VarTextField(
required: true,
dbName: "Standort",
textController: standortC,
localization: AppLocalizations.of(context)!.altstort,
),
),
const SizedBox(
height: 5,
),
Align(
alignment: Alignment.bottomLeft,
child: Row(
children: [
Text(AppLocalizations.of(context)!.status),
const Text(
'*',
style: TextStyle(color: Colors.red),
),
],
)),
Status(
initialStatus: selectedStatus,
onStatusChanged: (status) {
setState(() {
selectedStatus = status;
});
},
),
VarTextField(
textController: betreuungC,
localization: AppLocalizations.of(context)!.betreuung,
dbName: "Betreuung",
required: false),
const SizedBox(
height: 20,
),
VarTextField(
textController: cid,
localization: AppLocalizations.of(context)!.camLink,
dbName: "CID",
required: true),
VarTextField(
textController: ffTypC,
localization: AppLocalizations.of(context)!.fftyp,
dbName: "FFTyp",
required: true),
const SizedBox(
height: 15,
),
Align(
alignment: Alignment.bottomLeft,
child: Row(
children: [
Text(AppLocalizations.of(context)!.zeiteinstellung),
const Text(
'*',
style: TextStyle(color: Colors.red),
)
],
)),
MEZ(
initialMEZ: selectedMEZ,
onMEZChanged: (mez) {
setState(() {
selectedMEZ = mez;
});
},
),
const SizedBox(
height: 15,
),
VarTextField(
textController: kSchloNrC,
localization: AppLocalizations.of(context)!.kschlonr,
dbName: "KSchloNr",
required: false),
const SizedBox(
height: 5,
),
VarTextField(
textController: rudelC,
localization: AppLocalizations.of(context)!.rudel,
dbName: "Rudel",
required: true),
const SizedBox(
height: 15,
),
],
)),
// Second step
Step(
title: Text(AppLocalizations.of(context)!.secondstep),
content: Column(
children: [
Row(
children: [
Column(
children: [
Text(currentPosition.latitude.toString()),
Text(currentPosition.longitude.toString()),
],
),
const SizedBox(
width: 15,
),
ElevatedButton(
onPressed: () async {
final result = await Navigator.of(context)
.push<LatLng>(
MaterialPageRoute(builder: (context) {
return Karte(
ortInfoC: ortInfoC,
beiOrtC: beiOrtC,
currentPosition: currentPosition,
onPositionChange: (updatedPosition) {
setState(() {
currentPosition = updatedPosition;
});
},
);
}));
if (result != null) {
setState(() {
currentPosition = Position(
latitude: result.latitude,
longitude: result.longitude,
timestamp: DateTime.now(),
accuracy: 0.0,
altitude: 0.0,
altitudeAccuracy: 0.0,
heading: 0.0,
headingAccuracy: 0.0,
speed: 0.0,
speedAccuracy: 0.0,
);
});
}
},
child: Text(AppLocalizations.of(context)!.openMap)),
],
),
VarTextField(
textController: bLandC,
localization: AppLocalizations.of(context)!.bland,
dbName: "BLand",
required: true,
defaultValue: "bLand",
),
VarTextField(
textController: lkrC,
localization: AppLocalizations.of(context)!.lkr,
dbName: "Lkr",
required: true),
VarTextField(
textController: beiOrtC,
localization: AppLocalizations.of(context)!.beiort,
dbName: "BeiOrt",
required: true),
VarTextField(
textController: ortInfoC,
localization: AppLocalizations.of(context)!.ortinfo,
dbName: "OrtInfo",
required: false),
const SizedBox(
height: 15,
),
Align(
alignment: Alignment.bottomLeft,
child: Row(
children: [
Text(AppLocalizations.of(context)!.platzung),
const Text(
'*',
style: TextStyle(color: Colors.red),
)
],
)),
Platzung(
initialPlatzung: selectedPlatzung,
onPlatzungChanged: (platzung) {
setState(() {
selectedPlatzung = platzung;
});
},
),
],
)),
// Third step
Step(
title: Text(AppLocalizations.of(context)!.thirdstep),
content: Column(
children: [
Datum(
initDatum: datum,
onDateChanged: (value) {
datum = value;
},
),
KontDat(
initKontDat: kontDat,
onDateChanged: (value) {
setState(() {
kontDat = value;
});
},
),
const SizedBox(
height: 20,
),
Align(
alignment: Alignment.bottomLeft,
child: Row(
children: [
Text(AppLocalizations.of(context)!.ktage),
const Text(
'*',
style: TextStyle(color: Colors.red),
),
],
),
),
Row(
children: [
Expanded(
child: Text( AppLocalizations.of(context)!.ktage1)),
const SizedBox(width: 15,),
Expanded(
flex: 4,
child: VarTextField(otherDefault: "24", textController: kTage1C, localization: AppLocalizations.of(context)!.ktage1, dbName: "KTage1", required: true))
],
),
Row(
children: [
Expanded(
child: Text( AppLocalizations.of(context)!.ktage2)),
const SizedBox(width: 15,),
Expanded(
flex: 4,
child: VarTextField(otherDefault: "48", textController: kTage2C, localization: AppLocalizations.of(context)!.ktage2, dbName: "KTage2", required: true))
],
),
const SizedBox(
height: 20,
),
Row(
children: [
AbbauDat(
initAbbauDat: abbauDat,
onDateChanged: (value) {
abbauDat = value;
},
),
],
),
const SizedBox(
height: 20,
),
VarTextField(
textController: auftragC,
localization: AppLocalizations.of(context)!.auftrag,
dbName: "Auftrag",
required: false),
VarTextField(
textController: kontAbspC,
localization: AppLocalizations.of(context)!.kontabsp,
dbName: "KontAbsp",
required: false),
VarTextField(
textController: sonstBemC,
localization:
AppLocalizations.of(context)!.sonstbemerkungen,
dbName: "SonstBem",
required: false),
],
)),
// Fourth step
Step(
title: Text(AppLocalizations.of(context)!.fourthstep),
content: Column(
children: [
VarTextField(
textController: adresse1C,
localization: AppLocalizations.of(context)!.adresse1,
dbName: "Adresse1",
required: true,
defaultValue: "addresse1",
),
VarTextField(
textController: adresse2C,
localization: AppLocalizations.of(context)!.adresse2,
dbName: "Adresse2",
required: false),
VarTextField(
textController: adresse3C,
localization: AppLocalizations.of(context)!.adresse3,
dbName: "Adresse2",
required: false),
const SizedBox(
height: 15,
),
VarTextField(
textController: fKontakt1C,
localization: AppLocalizations.of(context)!.fkontakt1,
dbName: "FKontakt1",
required: false),
VarTextField(
textController: fKontakt2C,
localization: AppLocalizations.of(context)!.fkontakt2,
dbName: "FKontakt2",
required: false),
VarTextField(
textController: fKontakt3C,
localization: AppLocalizations.of(context)!.fkontakt3,
dbName: "FKontakt3",
required: false),
VarTextField(
textController: intKommC,
localization: AppLocalizations.of(context)!.intkomm,
dbName: "IntKomm",
required: false),
],
))
];
// Here the site is built with the steps from above
return Scaffold(
appBar: AppBar(title: Text(AppLocalizations.of(context)!.addplace)),
body: PageTransitionSwitcher(
duration: const Duration(milliseconds: 800),
transitionBuilder: (Widget child, Animation<double> animation,
Animation<double> secondaryAnimation) {
return SharedAxisTransition(
animation: animation,
secondaryAnimation: secondaryAnimation,
transitionType: SharedAxisTransitionType.vertical,
child: child,
);
},
child: Stepper(
key: ValueKey<int>(currentStep),
type: StepperType.vertical,
steps: getSteps(),
// Functions that handle the navigation through the steps
currentStep: currentStep,
onStepTapped: (value) {
setState(() {
currentStep = value;
});
},
onStepContinue: () async {
final isLastStep = currentStep == getSteps().length - 1;
if (!isLastStep) {
saveTemplate();
setState(() {
currentStep += 1;
});
} else {
List<String> emptyFields = validateData();
// ! always filled out
// empty = false;
if (widget.isSent) {
Navigator.pushNamedAndRemoveUntil(context, '/home', (route) => false);
} else if (empty == true) {
showTemplateDialog(emptyFields);
return;
} else if (empty == false) {
await showSaveOptionsDialog();
}
}
},
onStepCancel: () {
if (currentStep == 0) {
Navigator.pop(context);
} else {
setState(() {
currentStep -= 1;
});
}
})));
}
}