refactored broad range of the application, split files, modularized calendar and file views, centralized bottom sheets and clipboard handling, and implemented unit test coverage

2026-05-08 19:05:16 +02:00
parent 3b1b0d0c19
commit c62a14645a
68 changed files with 4633 additions and 3141 deletions
@@ -0,0 +1,157 @@
+import 'package:flutter/material.dart';
+
+import '../login_controller.dart';
+import 'login_error_banner.dart';
+
+/// White Card hosting the login form (heading, two text fields, error
+/// banner, submit button). Submitting calls [controller.submit] and signals
+/// success via [onSuccess].
+class LoginCard extends StatefulWidget {
+  final LoginController controller;
+  final VoidCallback onSuccess;
+
+  const LoginCard({required this.controller, required this.onSuccess, super.key});
+
+  @override
+  State<LoginCard> createState() => _LoginCardState();
+}
+
+class _LoginCardState extends State<LoginCard> {
+  final _formKey = GlobalKey<FormState>();
+  final _usernameController = TextEditingController();
+  final _passwordController = TextEditingController();
+  final _passwordFocus = FocusNode();
+
+  @override
+  void initState() {
+    super.initState();
+    widget.controller.addListener(_onControllerChange);
+  }
+
+  @override
+  void dispose() {
+    widget.controller.removeListener(_onControllerChange);
+    _usernameController.dispose();
+    _passwordController.dispose();
+    _passwordFocus.dispose();
+    super.dispose();
+  }
+
+  void _onControllerChange() {
+    if (mounted) setState(() {});
+  }
+
+  String? _required(String? value) =>
+      (value ?? '').trim().isEmpty ? 'Eingabe erforderlich' : null;
+
+  Future<void> _submit() async {
+    if (widget.controller.loading) return;
+    if (!(_formKey.currentState?.validate() ?? false)) return;
+    final ok = await widget.controller.submit(
+      _usernameController.text,
+      _passwordController.text,
+    );
+    if (ok && mounted) widget.onSuccess();
+  }
+
+  InputDecoration _decoration(ThemeData theme, String label, IconData icon) =>
+      InputDecoration(
+        labelText: label,
+        prefixIcon: Icon(icon),
+        filled: true,
+        fillColor: theme.colorScheme.surfaceContainerHighest.withValues(alpha: 0.4),
+        border: OutlineInputBorder(
+          borderRadius: BorderRadius.circular(12),
+          borderSide: BorderSide.none,
+        ),
+        enabledBorder: OutlineInputBorder(
+          borderRadius: BorderRadius.circular(12),
+          borderSide: BorderSide.none,
+        ),
+        focusedBorder: OutlineInputBorder(
+          borderRadius: BorderRadius.circular(12),
+          borderSide: BorderSide(color: theme.colorScheme.primary, width: 1.5),
+        ),
+      );
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final loading = widget.controller.loading;
+    return Card(
+      elevation: 8,
+      shadowColor: Colors.black.withValues(alpha: 0.35),
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+      color: theme.colorScheme.surface,
+      child: Padding(
+        padding: const EdgeInsets.fromLTRB(24, 24, 24, 20),
+        child: Form(
+          key: _formKey,
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.stretch,
+            children: [
+              Text(
+                'Anmelden',
+                style: theme.textTheme.titleLarge?.copyWith(fontWeight: FontWeight.w600),
+              ),
+              const SizedBox(height: 6),
+              Text(
+                'Melde dich mit deinen Marianum-Zugangsdaten an.',
+                style: theme.textTheme.bodySmall?.copyWith(
+                  color: theme.colorScheme.onSurfaceVariant,
+                ),
+              ),
+              const SizedBox(height: 20),
+              TextFormField(
+                controller: _usernameController,
+                enabled: !loading,
+                validator: _required,
+                autocorrect: false,
+                textInputAction: TextInputAction.next,
+                onFieldSubmitted: (_) => _passwordFocus.requestFocus(),
+                decoration: _decoration(theme, 'Nutzername', Icons.person_outline),
+              ),
+              const SizedBox(height: 12),
+              TextFormField(
+                controller: _passwordController,
+                focusNode: _passwordFocus,
+                enabled: !loading,
+                validator: _required,
+                obscureText: true,
+                obscuringCharacter: '•',
+                autocorrect: false,
+                enableSuggestions: false,
+                keyboardType: TextInputType.visiblePassword,
+                textInputAction: TextInputAction.done,
+                onFieldSubmitted: (_) => _submit(),
+                decoration: _decoration(theme, 'Passwort', Icons.lock_outline),
+              ),
+              LoginErrorBanner(
+                message: widget.controller.errorMessage,
+                details: widget.controller.errorDetails,
+              ),
+              const SizedBox(height: 20),
+              SizedBox(
+                height: 50,
+                child: FilledButton(
+                  onPressed: loading ? null : _submit,
+                  style: FilledButton.styleFrom(
+                    shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+                    textStyle: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600),
+                  ),
+                  child: loading
+                      ? const SizedBox(
+                          height: 22,
+                          width: 22,
+                          child: CircularProgressIndicator(strokeWidth: 2.5, color: Colors.white),
+                        )
+                      : const Text('Anmelden'),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}