feat: registration options, translations

example/lib/main.dart

@@ -16,10 +16,13 @@ class FlutterRegistrationDemo extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return RegistrationScreen(
+      registrationOptions: RegistrationOptions(
+        registrationRepository: ExampleRegistrationRepository(),
+        registrationSteps: RegistrationOptions.defaultSteps,
         afterRegistration: () {
           debugPrint('Registered!');
         },
-      repository: ExampleRegistrationRepository(),
+      ),
     );
   }
 }

lib/flutter_registration.dart

@@ -1,5 +1,7 @@
 library flutter_registration;
 
+export 'src/config/registration_options.dart';
+export 'src/config/registration_translations.dart';
 export 'src/model/auth_exception.dart';
 export 'src/model/auth_field.dart';
 export 'src/model/auth_step.dart';

lib/src/auth_screen.dart

@@ -8,6 +8,8 @@ class AuthScreen extends StatefulWidget {
     required this.title,
     required this.steps,
     required this.submitBtnTitle,
+    required this.nextBtnTitle,
+    required this.previousBtnTitle,
     required this.onFinish,
     super.key,
   }) : assert(steps.length > 0, 'At least one step is required');
@@ -16,6 +18,8 @@ class AuthScreen extends StatefulWidget {
   final Function(HashMap<String, String>) onFinish;
   final List<AuthStep> steps;
   final String submitBtnTitle;
+  final String nextBtnTitle;
+  final String previousBtnTitle;
 
   @override
   State<AuthScreen> createState() => _AuthScreenState();
@@ -28,8 +32,7 @@ class _AuthScreenState extends State<AuthScreen> {
   final _animationCurve = Curves.ease;
 
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context) => Scaffold(
-    return Scaffold(
         backgroundColor: Theme.of(context).backgroundColor,
         appBar: AppBar(
           title: Text(widget.title),
@@ -44,16 +47,19 @@ class _AuthScreenState extends State<AuthScreen> {
                 Column(
                   mainAxisAlignment: MainAxisAlignment.spaceBetween,
                   children: [
-                  const Spacer(),
+                    Flexible(
-                  Padding(
+                      child: Center(
+                        child: ListView(
+                          physics: const ClampingScrollPhysics(),
+                          shrinkWrap: true,
                           padding: const EdgeInsets.symmetric(
                             vertical: 8.0,
                             horizontal: 30.0,
                           ),
-                    child: Column(
                           children: [
                             for (AuthField field in step.fields)
-                          Column(
+                              Align(
+                                child: Column(
                                   crossAxisAlignment: CrossAxisAlignment.start,
                                   children: [
                                     Padding(
@@ -70,13 +76,19 @@ class _AuthScreenState extends State<AuthScreen> {
                                     ),
                                     field.build(),
                                   ],
+                                ),
                               )
                           ],
                         ),
                       ),
-                  const Spacer(),
+                    ),
                     Padding(
-                    padding: const EdgeInsets.all(30.0),
+                      padding: const EdgeInsets.only(
+                        top: 15.0,
+                        bottom: 30.0,
+                        left: 30.0,
+                        right: 30.0,
+                      ),
                       child: Row(
                         mainAxisAlignment: widget.steps.first != step
                             ? MainAxisAlignment.spaceBetween
@@ -94,9 +106,9 @@ class _AuthScreenState extends State<AuthScreen> {
                                     Icons.arrow_back,
                                     size: 18,
                                   ),
-                                const Padding(
+                                  Padding(
-                                  padding: EdgeInsets.only(left: 4.0),
+                                    padding: const EdgeInsets.only(left: 4.0),
-                                  child: Text('Vorige stap'),
+                                    child: Text(widget.previousBtnTitle),
                                   ),
                                 ],
                               ),
@@ -117,6 +129,7 @@ class _AuthScreenState extends State<AuthScreen> {
                                 }
 
                                 widget.onFinish(values);
+
                                 return;
                               }
 
@@ -130,7 +143,7 @@ class _AuthScreenState extends State<AuthScreen> {
                                 Text(
                                   widget.steps.last == step
                                       ? widget.submitBtnTitle
-                                    : 'Volgende stap',
+                                      : widget.nextBtnTitle,
                                 ),
                                 const Padding(
                                   padding: EdgeInsets.only(left: 4.0),
@@ -152,4 +165,3 @@ class _AuthScreenState extends State<AuthScreen> {
         ),
       );
 }
-}

lib/src/config/registration_options.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_registration/flutter_registration.dart';
+
+class RegistrationOptions {
+  RegistrationOptions({
+    required this.registrationRepository,
+    required this.registrationSteps,
+    required this.afterRegistration,
+    this.registrationTranslations = const RegistrationTranslations(),
+  });
+
+  final RegistrationTranslations registrationTranslations;
+  final List<AuthStep> registrationSteps;
+  final VoidCallback afterRegistration;
+  final RegistrationRepository registrationRepository;
+
+  static List<AuthStep> get defaultSteps => [
+        AuthStep(
+          fields: [
+            AuthTextField(
+              name: 'email',
+              title: 'Wat is je e-mailadres?',
+              validators: [
+                (email) => (email == null || email.isEmpty)
+                    ? 'Geef uw e-mailadres op'
+                    : null,
+                (email) =>
+                    RegExp(r"^[a-zA-Z0-9.a-zA-Z0-9.!#$%&'*+-/=?^_`{|}~]+@[a-zA-Z0-9]+\.[a-zA-Z]+")
+                            .hasMatch(email!)
+                        ? null
+                        : 'Geef een geldig e-mailadres op',
+              ],
+            )
+          ],
+        ),
+        AuthStep(
+          fields: [
+            AuthTextField(
+              name: 'password',
+              title: 'Kies een wachtwoord',
+              obscureText: true,
+              validators: [
+                (value) => (value == null || value.isEmpty)
+                    ? 'Geef een wachtwoord op'
+                    : null,
+              ],
+            ),
+          ],
+        ),
+      ];
+}

lib/src/config/registration_translations.dart

@@ -0,0 +1,15 @@
+class RegistrationTranslations {
+  const RegistrationTranslations({
+    this.title = 'Registreren',
+    this.registerBtn = 'Registreren',
+    this.previousStepBtn = 'Vorige stap',
+    this.nextStepBtn = 'Volgende stap',
+    this.closeBtn = 'Sluiten',
+  });
+
+  final String title;
+  final String registerBtn;
+  final String previousStepBtn;
+  final String nextStepBtn;
+  final String closeBtn;
+}

lib/src/registration_screen.dart

@@ -4,35 +4,38 @@ import 'package:flutter_registration/src/auth_screen.dart';
 
 class RegistrationScreen extends StatelessWidget {
   const RegistrationScreen({
-    required this.afterRegistration,
+    required this.registrationOptions,
-    required this.repository,
-    this.additionalSteps = const [],
     super.key,
   });
 
-  final VoidCallback afterRegistration;
+  final RegistrationOptions registrationOptions;
-  final RegistrationRepository repository;
-  final List<AuthStep> additionalSteps;
 
   @override
   Widget build(BuildContext context) {
+    var translations = registrationOptions.registrationTranslations;
+
     void showError(String error) => showDialog<String>(
           context: context,
           builder: (BuildContext context) => AlertDialog(
             content: Text(error),
             actions: <Widget>[
               TextButton(
-                onPressed: () => Navigator.pop(context, 'Sluit'),
+                onPressed: () => Navigator.pop(
-                child: const Text('Sluit'),
+                  context,
+                  translations.closeBtn,
+                ),
+                child: Text(
+                  translations.closeBtn,
+                ),
               ),
             ],
           ),
         );
 
-    void register(values) => repository
+    void register(values) => registrationOptions.registrationRepository
             .register(values)
             .then(
-              (value) => afterRegistration(),
+              (_) => registrationOptions.afterRegistration(),
             )
             .catchError(
           (error) {
@@ -43,44 +46,12 @@ class RegistrationScreen extends StatelessWidget {
         );
 
     return AuthScreen(
-      title: 'Registreren',
+      steps: registrationOptions.registrationSteps,
-      submitBtnTitle: 'Registreren',
-      steps: [
-        AuthStep(
-          fields: [
-            AuthTextField(
-              name: 'email',
-              title: 'Wat is je e-mailadres?',
-              validators: [
-                (email) => (email == null || email.isEmpty)
-                    ? 'Geef uw e-mailadres op'
-                    : null,
-                (email) =>
-                    RegExp(r"^[a-zA-Z0-9.a-zA-Z0-9.!#$%&'*+-/=?^_`{|}~]+@[a-zA-Z0-9]+\.[a-zA-Z]+")
-                            .hasMatch(email!)
-                        ? null
-                        : 'Geef een geldig e-mailadres op',
-              ],
-            )
-          ],
-        ),
-        AuthStep(
-          fields: [
-            AuthTextField(
-              name: 'password',
-              title: 'Kies een wachtwoord',
-              obscureText: true,
-              validators: [
-                (value) => (value == null || value.isEmpty)
-                    ? 'Geef een wachtwoord op'
-                    : null,
-              ],
-            ),
-          ],
-        ),
-        ...additionalSteps
-      ],
       onFinish: register,
+      title: translations.title,
+      submitBtnTitle: translations.registerBtn,
+      nextBtnTitle: translations.nextStepBtn,
+      previousBtnTitle: translations.previousStepBtn,
     );
   }
 }