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lib/util/fab_extended_anim.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+class FloatingActionButtonAnimated extends ConsumerWidget {
+  final Widget label;
+  final Widget icon;
+  final String tooltip;
+  final bool alternate;
+  final bool isExtended;
+  final void Function()? onPressed;
+  const FloatingActionButtonAnimated({
+    required this.label,
+    required this.icon,
+    required this.tooltip,
+    this.alternate = false,
+    this.isExtended = false,
+    required this.onPressed,
+    super.key,
+  });
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    return FloatingActionButton.extended(
+      key: key,
+      tooltip: tooltip,
+      onPressed: onPressed,
+      foregroundColor: alternate ? Theme.of(context).colorScheme.onSecondary : null,
+      backgroundColor: alternate ? Theme.of(context).colorScheme.secondary : null,
+      extendedPadding: EdgeInsets.all(14),
+      label: AnimatedSize(
+        duration: const Duration(milliseconds: 250),
+        child: isExtended
+            ? Row(
+                children: [
+                  icon,
+                  const SizedBox(width: 6),
+                  label,
+                ],
+              )
+            : icon,
+      ),
+    );
+  }
+}