fixed query filter

lib/model/filters/query.dart

@@ -6,12 +6,12 @@ import 'package:outline_material_icons/outline_material_icons.dart';
 class QueryFilter extends CollectionFilter {
   static const type = 'query';
 
-  final String query;
+  final String query, upQuery;
 
-  const QueryFilter(this.query);
+  QueryFilter(this.query) : upQuery = query.toUpperCase();
 
   @override
-  bool filter(ImageEntry entry) => entry.search(query);
+  bool filter(ImageEntry entry) => entry.search(upQuery);
 
   @override
   bool get isUnique => false;
@@ -32,5 +32,5 @@ class QueryFilter extends CollectionFilter {
   }
 
   @override
-  int get hashCode => hashValues('MetadataFilter', query);
+  int get hashCode => hashValues('QueryFilter', query);
 }

lib/model/image_entry.dart

@@ -205,9 +205,9 @@ class ImageEntry {
   }
 
   bool search(String query) {
-    if (title.toLowerCase().contains(query)) return true;
+    if (title?.toUpperCase()?.contains(query) ?? false) return true;
-    if (catalogMetadata?.xmpSubjects?.toLowerCase()?.contains(query) ?? false) return true;
+    if (catalogMetadata?.xmpSubjects?.toUpperCase()?.contains(query) ?? false) return true;
-    if (isLocated && addressDetails.addressLine.toLowerCase().contains(query)) return true;
+    if (addressDetails?.addressLine?.toUpperCase()?.contains(query) ?? false) return true;
     return false;
   }
 

lib/widgets/album/search/expandable_filter_row.dart

@@ -1,6 +1,5 @@
 import 'package:aves/model/filters/filters.dart';
 import 'package:aves/utils/constants.dart';
-import 'package:aves/widgets/album/search/search_delegate.dart';
 import 'package:aves/widgets/common/aves_filter_chip.dart';
 import 'package:flutter/material.dart';
 import 'package:outline_material_icons/outline_material_icons.dart';
@@ -47,45 +46,62 @@ class ExpandableFilterRow extends StatelessWidget {
     }
 
     final filtersList = filters.toList();
-    final filterChips = isExpanded
+    final wrap = Container(
-        ? Padding(
+      key: ValueKey('wrap$title'),
-            padding: const EdgeInsets.symmetric(horizontal: AvesFilterChip.buttonBorderWidth / 2 + 6),
+      padding: const EdgeInsets.symmetric(horizontal: AvesFilterChip.buttonBorderWidth / 2 + 6),
-            child: Wrap(
+      // specify transparent as a workaround to prevent
-              spacing: 8,
+      // chip border clipping when the floating app bar is fading
-              children: filtersList
+      color: Colors.transparent,
-                  .map((filter) => AvesFilterChip(
+      child: Wrap(
-                        filter: filter,
+        spacing: 8,
-                        onPressed: onPressed,
+        children: filtersList
-                      ))
+            .map((filter) => AvesFilterChip(
-                  .toList(),
+                  filter: filter,
-            ),
+                  onPressed: onPressed,
-          )
+                ))
-        : Container(
+            .toList(),
-            height: kMinInteractiveDimension,
+      ),
-            child: ListView.separated(
+    );
-              scrollDirection: Axis.horizontal,
+    final list = Container(
-              physics: const BouncingScrollPhysics(),
+      key: ValueKey('list$title'),
-              padding: const EdgeInsets.all(AvesFilterChip.buttonBorderWidth / 2) + const EdgeInsets.symmetric(horizontal: 6),
+      // specify transparent as a workaround to prevent
-              itemBuilder: (context, index) {
+      // chip border clipping when the floating app bar is fading
-                if (index >= filtersList.length) return null;
+      color: Colors.transparent,
-                final filter = filtersList[index];
+      height: kMinInteractiveDimension,
-                return Center(
+      child: ListView.separated(
-                  child: AvesFilterChip(
+        scrollDirection: Axis.horizontal,
-                    filter: filter,
+        physics: const BouncingScrollPhysics(),
-                    onPressed: onPressed,
+        padding: const EdgeInsets.all(AvesFilterChip.buttonBorderWidth / 2) + const EdgeInsets.symmetric(horizontal: 6),
-                  ),
+        itemBuilder: (context, index) {
-                );
+          if (index >= filtersList.length) return null;
-              },
+          final filter = filtersList[index];
-              separatorBuilder: (context, index) => const SizedBox(width: 8),
+          return Center(
-              itemCount: filtersList.length,
+            child: AvesFilterChip(
+              filter: filter,
+              onPressed: onPressed,
             ),
           );
+        },
+        separatorBuilder: (context, index) => const SizedBox(width: 8),
+        itemCount: filtersList.length,
+      ),
+    );
+    final filterChips = isExpanded ? wrap : list;
     return titleRow != null
         ? Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [
               titleRow,
-              filterChips,
+              AnimatedSwitcher(
+                duration: const Duration(milliseconds: 300),
+                child: filterChips,
+                layoutBuilder: (currentChild, previousChildren) => Stack(
+                  children: [
+                    ...previousChildren,
+                    if (currentChild != null) currentChild,
+                  ],
+                ),
+              ),
             ],
           )
         : filterChips;

lib/widgets/album/search/search_delegate.dart

@@ -53,7 +53,7 @@ class ImageSearchDelegate extends SearchDelegate<CollectionFilter> {
   @override
   Widget buildSuggestions(BuildContext context) {
     final source = collection.source;
-    final upQuery = query.toUpperCase();
+    final upQuery = query.trim().toUpperCase();
     final containQuery = (String s) => s.toUpperCase().contains(upQuery);
     return SafeArea(
       child: ValueListenableBuilder<String>(
@@ -98,7 +98,8 @@ class ImageSearchDelegate extends SearchDelegate<CollectionFilter> {
 
   @override
   Widget buildResults(BuildContext context) {
-    close(context, QueryFilter(query));
+    final cleanQuery = query.trim();
+    close(context, cleanQuery.isNotEmpty ? QueryFilter(cleanQuery) : null);
     return const SizedBox.shrink();
   }
 }