Feat: Zeigt Knöpfe zum Transaktion erstellen nur an, wenn ein Konto ausgewählt ist

lib/Pages/Dashboard/recent_transactions_list.dart

@@ -51,7 +51,7 @@ class _RecentTransactionsListState extends State<RecentTransactionsList> {
             final ThemeData theme = Theme.of(context);
 
             if (snapshot.hasData) {
-              final List<Padding>? recentTransactionsWidgetList = snapshot.data
+              final List<Widget>? recentTransactionsWidgetList = snapshot.data
                   ?.map(
                     (final Transaction transaction) => Padding(
                       padding: const EdgeInsets.symmetric(vertical: 4),
@@ -74,7 +74,42 @@ class _RecentTransactionsListState extends State<RecentTransactionsList> {
                   )
                   .toList();
 
-              return Column(children: [...?recentTransactionsWidgetList]);
+              if (recentTransactionsWidgetList != null &&
+                  recentTransactionsWidgetList.isNotEmpty) {
+                recentTransactionsWidgetList.add(
+                  Padding(
+                    padding: const EdgeInsets.symmetric(vertical: 4),
+                    child: TextButton(
+                      onPressed: _transactionController.newTransactionHandler,
+                      child: const Row(
+                        mainAxisAlignment: MainAxisAlignment.center,
+                        children: [
+                          Icon(Icons.swap_horiz),
+                          SizedBox(width: 10),
+                          Text('Transaktion hinzufügen'),
+                        ],
+                      ),
+                    ),
+                  ),
+                );
+                return Column(children: [...recentTransactionsWidgetList]);
+              } else {
+                if (_accountController.selected.value != null) {
+                  return TextButton(
+                    onPressed: _transactionController.newTransactionHandler,
+                    child: const Row(
+                      mainAxisAlignment: MainAxisAlignment.center,
+                      children: [
+                        Icon(Icons.swap_horiz),
+                        SizedBox(width: 10),
+                        Text('Transaktion hinzufügen'),
+                      ],
+                    ),
+                  );
+                } else {
+                  return const Text('');
+                }
+              }
             } else if (snapshot.hasError) {
               return Center(
                 child: Column(

lib/Pages/Misc/floating_creation_button.dart

@@ -24,33 +24,57 @@ class _FloatingCreationButtonState extends State<FloatingCreationButton> {
   final _key = GlobalKey<ExpandableFabState>();
 
   @override
-  Widget build(final BuildContext context) => ExpandableFab(
+  void initState() {
-    key: _key,
+    super.initState();
-    openButtonBuilder: RotateFloatingActionButtonBuilder(
+
-      child: const Icon(Icons.add),
+    _accountController.selected.addListener(() {
-    ),
+      if (mounted) {
-    type: ExpandableFabType.up,
+        setState(() {});
-    childrenAnimation: ExpandableFabAnimation.none,
+      }
-    distance: 70,
+    });
-    children: <Widget>[
+  }
+
+  @override
+  Widget build(final BuildContext context) {
+    final List<Widget> fabs = [];
+    if (_accountController.selected.value != null) {
+      fabs
+        ..add(
+          _expandableButton(
+            label: 'Neue Transaktion',
+            icon: Icons.swap_horiz,
+            onPressed: _transactionController.newTransactionHandler,
+          ),
+        )
+        ..add(
+          _expandableButton(
+            label: 'Neue wiederkehrende Transaktion',
+            icon: Icons.repeat,
+            onPressed:
+                _recurringTransactionController.newRecurringTransactionHandler,
+          ),
+        );
+    }
+
+    fabs.add(
       _expandableButton(
         label: 'Neues Konto',
         icon: Icons.account_balance_wallet,
         onPressed: _accountController.newAccountHandler,
       ),
-      _expandableButton(
+    );
-        label: 'Neue Transaktion',
+
-        icon: Icons.swap_horiz,
+    return ExpandableFab(
-        onPressed: _transactionController.newTransactionHandler,
+      key: _key,
+      openButtonBuilder: RotateFloatingActionButtonBuilder(
+        child: const Icon(Icons.add),
       ),
-      _expandableButton(
+      type: ExpandableFabType.up,
-        label: 'Neue wiederkehrende Transaktion',
+      childrenAnimation: ExpandableFabAnimation.none,
-        icon: Icons.repeat,
+      distance: 70,
-        onPressed:
+      children: fabs,
-            _recurringTransactionController.newRecurringTransactionHandler,
+    );
-      ),
+  }
-    ],
-  );
 
   Widget _expandableButton({
     required final String label,