implemented file search with local cache and server-side support, added result highlighting, and integrated search delegate into files page

2026-05-09 23:20:11 +02:00
parent 8e6b1877cc
commit 14090b96f4
10 changed files with 767 additions and 7 deletions
@@ -0,0 +1,56 @@
+import 'package:flutter/material.dart';
+
+import 'files_search_controller.dart';
+import 'files_search_results.dart';
+
+/// Material `SearchDelegate` for the Files module — opens via the magnifier
+/// in `FilesPage`'s AppBar (mirroring `SearchMarianumMessages`). Owns one
+/// [FilesSearchController]; cache + server hits stream into the result list
+/// as the user types.
+class FilesSearchDelegate extends SearchDelegate<void> {
+  final FilesSearchController _controller;
+
+  FilesSearchDelegate({required List<String> pathScope})
+    : _controller = FilesSearchController(initialPathScope: pathScope),
+      super(searchFieldLabel: 'Dateien suchen');
+
+  /// Must be called by the host widget after `showSearch` returns so the
+  /// controller's listeners and pending debounce timers are released.
+  void disposeController() => _controller.dispose();
+
+  @override
+  List<Widget>? buildActions(BuildContext context) => [
+    if (query.isNotEmpty)
+      IconButton(
+        tooltip: 'Suche leeren',
+        icon: const Icon(Icons.clear),
+        onPressed: () {
+          query = '';
+        },
+      ),
+  ];
+
+  @override
+  Widget? buildLeading(BuildContext context) => IconButton(
+    icon: const Icon(Icons.arrow_back),
+    onPressed: () => close(context, null),
+  );
+
+  @override
+  Widget buildResults(BuildContext context) {
+    _controller.setQuery(query);
+    return FilesSearchResults(
+      controller: _controller,
+      onResultTap: () => close(context, null),
+    );
+  }
+
+  @override
+  Widget buildSuggestions(BuildContext context) {
+    _controller.setQuery(query);
+    return FilesSearchResults(
+      controller: _controller,
+      onResultTap: () => close(context, null),
+    );
+  }
+}