internal/flutter_address_form
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Added validator to AddressController

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This commit is contained in:
Thomas Klein Langenhorst 2022-10-25 12:25:20 +02:00
parent affa510a5c
commit 3ba62681c9
2 changed files with 52 additions and 44 deletions
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5
example/lib/main.dart
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@ -87,9 +87,10 @@ class AddressFormExample extends StatelessWidget {
onSubmit: (value) => value, controller: _addressController), onSubmit: (value) => value, controller: _addressController),
TextButton( TextButton(
onPressed: () { onPressed: () {
_addressController.validate; _addressController.validate();
}, },
child: Text('Test')) child: Text('Test'),
)
], ],
), ),
); );

29
lib/src/address_form.dart
View file

@ -1,5 +1,4 @@
import 'dart:async'; import 'dart:async';
import 'dart:ffi';
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
@ -48,9 +47,11 @@ class AddressForm extends StatefulWidget {
class _AddressFormState extends State<AddressForm> { class _AddressFormState extends State<AddressForm> {
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return Column( return Flexible(
child: Column(
children: [ children: [
AddressFormTextField( AddressFormTextField(
validator: widget._addressController.zipCodeValidator,
controller: widget._addressController._zipcodeController, controller: widget._addressController._zipcodeController,
fieldDecoration: widget.zipCodeDecoration, fieldDecoration: widget.zipCodeDecoration,
), ),
@ -58,10 +59,12 @@ class _AddressFormState extends State<AddressForm> {
child: Row( child: Row(
children: [ children: [
AddressFormTextField( AddressFormTextField(
validator: widget._addressController.housenumberValidator,
controller: widget._addressController._housenumberController, controller: widget._addressController._housenumberController,
fieldDecoration: widget.housenumberDecoration, fieldDecoration: widget.housenumberDecoration,
), ),
AddressFormTextField( AddressFormTextField(
validator: widget._addressController.suffixValidator,
controller: widget._addressController._suffixController, controller: widget._addressController._suffixController,
fieldDecoration: widget.suffixDecoration, fieldDecoration: widget.suffixDecoration,
), ),
@ -69,37 +72,43 @@ class _AddressFormState extends State<AddressForm> {
), ),
), ),
AddressFormTextField( AddressFormTextField(
validator: widget._addressController.streetValidator,
controller: widget._addressController._streetController, controller: widget._addressController._streetController,
fieldDecoration: widget.streetDecoration, fieldDecoration: widget.streetDecoration,
), ),
AddressFormTextField( AddressFormTextField(
validator: widget._addressController.cityValidator,
controller: widget._addressController._cityController, controller: widget._addressController._cityController,
fieldDecoration: widget.cityDecoration, fieldDecoration: widget.cityDecoration,
), ),
], ],
),
); );
} }
} }
class AddressFormTextField extends StatelessWidget { class AddressFormTextField extends StatelessWidget {
AddressFormTextField({ AddressFormTextField(
super.key, {super.key,
required this.fieldDecoration, required this.fieldDecoration,
required this.controller, required this.controller,
}) { required this.validator});
_addressFieldDecoration = fieldDecoration;
}
final TextEditingController controller; final TextEditingController controller;
final InputDecoration fieldDecoration; final InputDecoration fieldDecoration;
final String? Function(String) validator;
late final InputDecoration _addressFieldDecoration; late InputDecoration _addressFieldDecoration;
String? get _errorText => validator(controller.value.text);
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return ValueListenableBuilder<TextEditingValue>( return ValueListenableBuilder<TextEditingValue>(
valueListenable: controller, valueListenable: controller,
builder: (context, value, _) { builder: (context, value, _) {
_addressFieldDecoration =
fieldDecoration.copyWith(errorText: _errorText);
return Flexible( return Flexible(
child: Container( child: Container(
margin: const EdgeInsets.all(10), margin: const EdgeInsets.all(10),
@ -165,9 +174,7 @@ class AddressController extends ChangeNotifier {
AddressModel get model => _model; AddressModel get model => _model;
bool get validate => _validate(); bool validate() {
bool _validate() {
if (zipCodeValidator.call(_zipcodeController.text) == null && if (zipCodeValidator.call(_zipcodeController.text) == null &&
streetValidator.call(_streetController.text) == null && streetValidator.call(_streetController.text) == null &&
housenumberValidator.call(_housenumberController.text) == null && housenumberValidator.call(_housenumberController.text) == null &&