How to provide filled places in Flutter - flutter

Question

First I want to introduce the pages.
Form Page
This is where I fill a form. When I click save as draft it will save the form data to the SQLite database. For now, I haven't implemented SQLite yet. Anyway, But I have a list that buffers the form input. When you click on Save as draft, I create a FormData object and add that data to a list and provide that list with Provider.
Form Page Code
class FormPage extends StatefulWidget {
FormData? formData = FormData();
FormPage({Key? key, this.formData}) : super(key: key);
#override
State<FormPage> createState() => _HomePageState();
}
class _HomePageState extends State<FormPage> {
String? isEmpty(String val) {
String? text;
setState(() {
if (val.isEmpty) {
text = 'Boş bırakılamaz';
}
});
return text;
}
#override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xffffe0b2),
appBar: AppBar(
// backgroundColor: Colors.teal.shade400,
title: const Text('Hasta Etkileşim Kaydı'),
centerTitle: true,
backgroundColor: const Color(0xffffb74d),
elevation: 0,
),
body: SafeArea(
child: FutureBuilder(
future: readJsonData(),
builder: (context, snapshot) {
if (snapshot.hasError) {
return Text(snapshot.error.toString());
} else if (snapshot.hasData) {
var items = snapshot.data as List<dynamic>;
var listStajTuru = items[0].stajTuruItems;
var listCinsiyet = items[0].cinsiyetItems;
var listEtkilesim = items[0].etkilesimTuruItems;
var listKapsam = items[0].kapsamItems;
var listOrtam = items[0].ortamItems;
var listDoktor = items[0].doktorItems;
return Form(
key: _formKey,
child: ListView(
shrinkWrap: true,
children: [
myDropDownContainer(_valueStajTuru, listStajTuru,
hintTextStajTuru, onChangedStajTuru),
myDropDownContainer(_valueDoktor, listDoktor,
hintTextDoktor, onChangedDoktor),
myDropDownContainer(_valueCinsiyet, listCinsiyet,
hintTextCinsiyet, onChangedCinsiyet),
myDropDownContainer(_valueEtkilesim, listEtkilesim,
hintTextEtkilesim, onChangedEtkilesim),
myDropDownContainer(_valueKapsam, listKapsam,
hintTextKapsam, onChangedKapsam),
myDropDownContainer(_valueOrtam, listOrtam,
hintTextOrtam, onChangedOrtam),
myTextFieldRow(20, "Kayıt No: ", 10,
_formData.setKayitNo, isEmpty),
myTextFieldRow(
20, "Hastanın Yaşı:", 3, _formData.setYas, isEmpty),
myTextFieldRow(
20, "Şikayet:", 10, _formData.setSikayet, isEmpty),
myTextFieldRow(50, "Ayırıcı Tanı:", 50,
_formData.setAyiriciTani, isEmpty),
myTextFieldRow(50, "Kesin Tanı:", 50,
_formData.setKesinTani, isEmpty),
myTextFieldRow(50, "Tedavi Yöntemi:", 100,
_formData.setTedaviYontemi, isEmpty),
const SizedBox(
height: 20,
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
submitButton(context, "Sava as Draft"),
submitButton(context, "GÖNDER"),
],
),
],
),
);
} else {
return const Center(
child: CircularProgressIndicator(),
);
}
})),
);
}
//Kullanıcı kaydet butonuna basarsa local olarak kaydedecek
Container submitButton(BuildContext context, String title) {
return Container(
width: 120,
height: 50,
margin: const EdgeInsets.all(12),
child: TextButton(
onPressed: () {
setState(() {
if (_formKey.currentState!.validate()) {
Provider.of<FormAdd>(context, listen: false)
.addNewFormToList(_formData);
alertDialog(context).then((_) =>_formKey.currentState!.reset());
}
});
},
child: Text(
title,
style: kTextStyle.copyWith(
fontSize: 14, color: Colors.white, fontWeight: FontWeight.bold),
),
style: ButtonStyle(
backgroundColor: MaterialStateProperty.all<Color>(
const Color(0xffffa726),
),
),
),
);
}
//DropDownWidget
Container myDropDownContainer(String initialVal, List<String> listItems,
String text, Function myFunc) {
return Container(
margin: const EdgeInsets.all(8),
child: Row(
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.start,
children: [
SizedBox(
width: 120,
child: Text(
text,
style: kTextStyle,
),
),
const SizedBox(
width: 20,
),
Expanded(
child: Container(
height: 50,
decoration: BoxDecoration(
color: Colors.orangeAccent,
borderRadius: BorderRadius.circular(5)),
child: DropdownButtonFormField<String>(
// autovalidateMode: AutovalidateMode.always,
//menuMaxHeight: 300,
validator: (value) {
if (value!.isEmpty) {
return "485s4a8sd4as85";
}
},
decoration: const InputDecoration(border: InputBorder.none),
isExpanded: true,
//onTap: () => myFunc,
//borderRadius: BorderRadius.circular(5),
value: initialVal,
icon: const Icon(
Icons.arrow_downward,
color: Colors.black38,
),
iconSize: 24,
elevation: 16,
dropdownColor: Colors.deepOrange,
style: kTextStyle.copyWith(color: Colors.black),
onChanged: (val) => myFunc(val),
items: listItems.map<DropdownMenuItem<String>>((String? val) {
return DropdownMenuItem(
//TODO: Set default values
value: val == null ? val = initialVal : val = val,
child: Text(
val,
style: kTextStyle.copyWith(color: Colors.black),
),
);
}).toList(),
),
),
)
],
),
);
}
//TextFieldWidget
Row myTextFieldRow(double height, String text, int? maxLength,
Function function, Function regexFunction) {
return Row(
mainAxisSize: MainAxisSize.min,
children: [
SizedBox(
width: 80,
height: height,
child: Text(
text,
style: kTextStyle.copyWith(color: Colors.black54),
),
),
const SizedBox(
width: 10,
),
Expanded(
child: TextFormField(
validator: (value) => regexFunction(value),
// focusNode: FocusNode(),
onChanged: (input) {
function(input);
},
autofocus: false,
textAlignVertical: TextAlignVertical.bottom,
style: kTextStyle.copyWith(fontSize: 16),
maxLength: maxLength,
maxLines: null, //TODO:Arrange maxlines for the inputs
decoration: InputDecoration(
isDense: true,
contentPadding: EdgeInsets.fromLTRB(0, 0, 0, height),
border: const OutlineInputBorder(
borderSide: BorderSide(color: Colors.green),
borderRadius: BorderRadius.all(Radius.circular(3))),
// labelStyle:kTextStyle.copyWith(fontSize: 16, color: Colors.white54),
),
),
),
],
);
}
Future<List<FormContent>> readJsonData() async {
final jsonData =
await rootBundle.rootBundle.loadString('assets/json/formdata.json');
return [
for (final e in json.decode(jsonData)) FormContent.fromJson(e),
];
}
final _formKey = GlobalKey<FormState>();
final FormData _formData = FormData();
String _valueEtkilesim = "Gözlem";
String _valueKapsam = "Öykü";
String _valueOrtam = "Poliklinik";
String _valueDoktor = "Diğer";
String _valueStajTuru = "Ortopedi";
String _valueCinsiyet = "Erkek"; // initial value
final String hintTextCinsiyet = "Cinsiyet:";
final String hintTextStajTuru = "Staj Türü:";
final String hintTextEtkilesim = "Etkileşim Türü:";
final String hintTextKapsam = "Kapsam:";
final String hintTextOrtam = "Gerçekleştiği Ortam:";
final String hintTextDoktor = "Klinik Eğitici:";
void onChangedCinsiyet(String? newVal) {
setState(() {
_valueCinsiyet = newVal!;
_formData.setCinsiyet(_valueCinsiyet);
});
}
void onChangedStajTuru(String newVal) {
setState(() {
_valueStajTuru = newVal;
_formData.setStajTuru(newVal);
});
}
void onChangedEtkilesim(String newVal) {
setState(() {
_valueEtkilesim = newVal;
_formData.setEtkilesimTuru(newVal);
});
}
void onChangedKapsam(String newVal) {
setState(() {
_valueKapsam = newVal;
_formData.setKapsam(newVal);
});
}
void onChangedOrtam(String newVal) {
setState(() {
_valueOrtam = newVal;
_formData.setOrtam(newVal);
});
}
void onChangedDoktor(String newVal) {
setState(() {
_valueDoktor = newVal;
_formData.setDoktor(newVal);
});
}
}
Assume, we saved the form as a draft. Now, It is in the DraftsPage.
Drafts Page
Everything is alright up to now. I have a list of the saved in draft forms. When I click on any list item I could get the form information (3rd picture).
Here is the question.
When I click on the Edit button. I want to renavigate to the Form Page.However this time I want to fill the places with the relevant data. For instance, this time Kayıt No: TextField shouldn't be empty it must be filled with 555, because it was saved to draft. And unfilled places must be blank. I know I need to provide an object of the form(formData) but, I couldn't manage it. When I click on the Edit button. I should provide that object and use it in the Form Page to fill those forms. But, how?
Draft Code
class Drafts extends StatelessWidget {
#override
Widget build(BuildContext context) {
void pushToFormPage(FormData formData) {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => FormView(
formData: formData,
)));
}
List<FormData> _forms = Provider.of<FormAdd>(context).getForms();
return Scaffold(
backgroundColor: Colors.grey,
appBar: AppBar(
title: const Text("Taslaklar"),
centerTitle: true,
),
body: ListView.separated(
separatorBuilder: (BuildContext context, int index) => const Divider(
height: 5,
color: Colors.blueAccent,
),
itemCount: _forms.length,
itemBuilder: (BuildContext context, int index) {
return studentListViewInstanceContainer(
const Color.fromARGB(200, 200, 130, 240),
pushToFormPage,
_forms[index], context);
},
),
);
}
}
GestureDetector studentListViewInstanceContainer(
Color color, Function function, FormData formData,BuildContext context) {
return GestureDetector(
onTap: () => function(formData),
child: Container(
height: 100,
color: color,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'Kayıt No: ${formData.getKayitNo()}',
style: kTextStyle,
),
Text(
'Tarih: ${formData.getKayitNo()}',
style: kTextStyle.copyWith(fontSize: 15),
) //TODO: implement DateT
],
),
Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
ElevatedButton(onPressed: (){
// taslağa kaydedilmiş bilgiler tekrar yüklenecek.
FormData data= Provider.of<FormData>(context,listen: false);
Navigator.push(context, MaterialPageRoute(builder: (context)=>FormPage(formData: data,)));
},
child:const Text('Edit'),
),
const SizedBox(width: 5,),
ElevatedButton(onPressed: (){
},
child: const Text('Delete'),
),
],
),
],
),
),
);
}
This is my FormData model class.
class FormData with ChangeNotifier{
String? _kayitNo;
String? _stajTuru;
String? _doktor; //TODO: Convert string to AttendingPhysician type object
// late AttendingPhysician klinikEgitici;
String? _yas; // TODO: Convert to string later
String? _cinsiyet;
String? _sikayet;
String? _ayiriciTani;
String? _kesinTani;
String? _tedaviYontemi;
String? _etkilesimTuru;
String? _kapsam;
String? _gerceklestigiOrtam;
//DateTime tarih;
String getKayitNo()=>_kayitNo!;
String getStajTuru()=>_stajTuru!;
String getDoktor()=>_doktor!;
String getYas()=>_yas!;
String getCinsiyet()=>_cinsiyet!;
String getSikayet()=>_sikayet!;
String getAyiriciTani()=>_ayiriciTani!;
String getKesinTani()=>_kesinTani!;
String getTedaviYontemi()=>_tedaviYontemi!;
String getEtkilesimTuru()=>_etkilesimTuru!;
String getKapsam()=>_kapsam!;
String getOrtam()=>_gerceklestigiOrtam!;
void setStajTuru(String stajTuru) {
_stajTuru = stajTuru;
notifyListeners();
}
void setCinsiyet(String cinsiyet) {
_cinsiyet = cinsiyet;
notifyListeners();
}
void setEtkilesimTuru(String etkilesim) {
_etkilesimTuru = etkilesim;
notifyListeners();
}
void setKapsam(String kapsam) {
_kapsam = kapsam;
notifyListeners();
}
void setOrtam(String ortam) {
_gerceklestigiOrtam = ortam;
notifyListeners();
}
void setKayitNo(String kayitNo) {
_kayitNo = kayitNo;
notifyListeners();
}
void setYas(String yas) {
_yas = yas;
notifyListeners();
}
void setSikayet(String sikayet) {
_sikayet = sikayet;
notifyListeners();
}
void setAyiriciTani(String ayiriciTani) {
_ayiriciTani = ayiriciTani;
notifyListeners();
}
void setKesinTani(String kesinTani) {
_kesinTani = kesinTani;
notifyListeners();
}
void setTedaviYontemi(String tedaviYontemi) {
_tedaviYontemi = tedaviYontemi;
notifyListeners();
}
void setDoktor(String doktor){
_doktor=doktor;
notifyListeners();
}
}
To make it easier to understand the question. This process is the same as saving mail as a draft. When you want to edit the mail, the unfinished mail will show up not an empty mail.