feat(meta): Cleanup

lib/src/ui/widgets/dropdown.dart

@@ -0,0 +1,129 @@
+import 'package:flutter/material.dart';
+
+class SelectorItem<T> {
+  const SelectorItem(this.value, this.text);
+
+  final T value;
+
+  final String text;
+}
+
+class DropdownSelector<T> extends StatefulWidget {
+  const DropdownSelector({
+    required this.title,
+    required this.onChanged,
+    required this.values,
+    required this.initialValue,
+    super.key,
+  });
+
+  /// The title of the dropdown
+  final String title;
+
+  final List<SelectorItem<T>> values;
+
+  final T initialValue;
+  
+  /// Called when the selection has changed
+  final void Function(T) onChanged;
+  
+  @override
+  DropdownSelectorState<T> createState() => DropdownSelectorState<T>();
+}
+
+class DropdownSelectorDialog<T> extends StatelessWidget {
+  const DropdownSelectorDialog({
+    required this.values,
+    super.key,
+  });
+
+  final List<SelectorItem<T>> values;
+
+  @override
+  Widget build(BuildContext context) {
+    return SafeArea(
+      child: Material(
+        color: Theme.of(context).scaffoldBackgroundColor,
+        child: ListView.builder(
+          itemCount: values.length,
+          itemBuilder: (context, index) => InkWell(
+            onTap: () {
+              Navigator.of(context).pop(values[index].value);
+            },
+            child: Row(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                Padding(
+                  padding: const EdgeInsets.all(16),
+                  child: Text(
+                    values[index].text,
+                    style: Theme.of(context).textTheme.titleLarge,
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class DropdownSelectorState<T> extends State<DropdownSelector<T>> {
+  late int index;
+
+  @override
+  void initState() {
+    super.initState();
+
+    index = widget.values.indexWhere((item) => item.value == widget.initialValue);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+        children: [
+          Expanded(
+            child: Card(
+              clipBehavior: Clip.hardEdge,
+              child: InkWell(
+                onTap: () async {
+                  final result = await showDialog<T>(
+                    context: context,
+                    builder: (context) => DropdownSelectorDialog<T>(
+                      values: widget.values.cast<SelectorItem<T>>(),
+                    ),
+                  );
+
+                  if (result == null) return;
+                  if (result == widget.values[index].value) return;
+
+                  setState(() {
+                    index = widget.values.indexWhere((item) => item.value == result);
+                  });
+
+                  widget.onChanged(result);
+                },
+                child: Padding(
+                  padding: const EdgeInsets.all(12),
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        widget.title,
+                        style: Theme.of(context).textTheme.titleSmall,
+                      ),
+                      Text(
+                        widget.values[index].text,
+                        style: Theme.of(context).textTheme.bodyLarge,
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+            ),
+          ),
+        ],
+    );
+  }
+}

lib/src/ui/widgets/image.dart

@@ -9,6 +9,7 @@ class AnimeCoverImage extends StatelessWidget {
   /// The URL to the cover image.
   final String url;
 
+  @override
   Widget build(BuildContext context) {
     return ClipRRect(
       borderRadius: BorderRadius.circular(8),

lib/src/ui/widgets/list_item.dart

@@ -1,4 +1,3 @@
-import 'package:anitrack/src/data/anime.dart';
 import 'package:anitrack/src/ui/widgets/image.dart';
 import 'package:anitrack/src/ui/widgets/swipe_icon.dart';
 import 'package:flutter/material.dart';
@@ -6,7 +5,7 @@ import 'package:swipeable_tile/swipeable_tile.dart';
 
 /// A widget for displaying simple data about an anime in the listview
 class ListItem extends StatelessWidget {
-  ListItem({
+  const ListItem({
     required this.thumbnailUrl,
     required this.title,
     this.onLeftSwipe,
@@ -42,14 +41,14 @@ class ListItem extends StatelessWidget {
       key: UniqueKey(),
       backgroundBuilder: (_, direction, __) {
         if (direction == SwipeDirection.endToStart) {
-          return Align(
+          return const Align(
             alignment: Alignment.centerRight,
             child: SwipeIcon(
               Icons.add,
             ),
           );
         } else if (direction == SwipeDirection.startToEnd) {
-          return Align(
+          return const Align(
             alignment: Alignment.centerLeft,
             child: SwipeIcon(
               Icons.remove,