#453 tag editor: tapping on applied tag applies it to all items

CHANGELOG.md

@@ -12,6 +12,7 @@ All notable changes to this project will be documented in this file.
 ### Changed
 
 - editing description writes XMP `dc:description`, and clears Exif `ImageDescription` / `UserComment`
+- in the tag editor, tapping on applied tag applies it to all items instead of removing it
 
 ### Fixed
 

lib/widgets/collection/collection_grid.dart

@@ -280,7 +280,7 @@ class _CollectionSectionedContentState extends State<_CollectionSectionedContent
       child: scrollView,
     );
 
-    final selector = GridSelectionGestureDetector(
+    final selector = GridSelectionGestureDetector<AvesEntry>(
       scrollableKey: _scrollableKey,
       selectable: widget.selectable,
       items: collection.sortedEntries,

lib/widgets/dialogs/entry_editors/tag_editor_page.dart

@@ -157,7 +157,14 @@ class _TagEditorPageState extends State<TagEditorPage> {
                                   )
                               : null,
                           onTap: (filter) {
-                            // TODO TLAD [#453]
+                            if (tagsByEntry.keys.length > 1) {
+                              // for multiple entries, set tag for all of them
+                              tagsByEntry.forEach((entry, filters) => filters.add(filter));
+                              setState(() {});
+                            } else {
+                              // for single entry, remove tag (like pressing on the remove icon)
+                              _removeTag(filter);
+                            }
                           },
                           onRemove: _removeTag,
                           onLongPress: null,