#403 info: export metadata to text file

CHANGELOG.md

@@ -6,6 +6,7 @@ All notable changes to this project will be documented in this file.
 
 ### Added
 
+- Info: export metadata to text file
 - Accessibility: apply bold font system setting
 
 ### Fixed

android/app/src/main/kotlin/deckers/thibault/aves/channel/calls/MetadataFetchHandler.kt

@@ -216,7 +216,6 @@ class MetadataFetchHandler(private val context: Context) : MethodCallHandler {
                         (it.tagCount > 0 || it.errorCount > 0)
                                 && it !is FileTypeDirectory
                                 && it !is AviDirectory
-                                && !(it is XmpDirectory && it.tagCount == 1 && it.containsTag(XmpDirectory.TAG_XMP_VALUE_COUNT))
                     }.groupBy { dir -> dir.name }
 
                     for (dirEntry in dirByName) {
@@ -386,8 +385,10 @@ class MetadataFetchHandler(private val context: Context) : MethodCallHandler {
         fun fallbackProcessXmp(xmpMeta: XMPMeta) {
             val thisDirName = XmpDirectory().name
             val dirMap = metadataMap[thisDirName] ?: HashMap()
-            metadataMap[thisDirName] = dirMap
             processXmp(xmpMeta, dirMap)
+            if (dirMap.isNotEmpty()) {
+                metadataMap[thisDirName] = dirMap
+            }
         }
 
         XMP.checkHeic(context, mimeType, uri, foundXmp, ::fallbackProcessXmp)

lib/l10n/app_en.arb

@@ -122,6 +122,7 @@
   "entryInfoActionEditRating": "Edit rating",
   "entryInfoActionEditTags": "Edit tags",
   "entryInfoActionRemoveMetadata": "Remove metadata",
+  "entryInfoActionExportMetadata": "Export metadata",
 
   "filterBinLabel": "Recycle bin",
   "filterFavouriteLabel": "Favorite",

lib/model/actions/entry_info_actions.dart

@@ -11,6 +11,7 @@ enum EntryInfoAction {
   editRating,
   editTags,
   removeMetadata,
+  exportMetadata,
   // GeoTIFF
   showGeoTiffOnMap,
   // motion photo
@@ -28,6 +29,7 @@ class EntryInfoActions {
     EntryInfoAction.editRating,
     EntryInfoAction.editTags,
     EntryInfoAction.removeMetadata,
+    EntryInfoAction.exportMetadata,
   ];
 
   static const formatSpecific = [
@@ -53,6 +55,8 @@ extension ExtraEntryInfoAction on EntryInfoAction {
         return context.l10n.entryInfoActionEditTags;
       case EntryInfoAction.removeMetadata:
         return context.l10n.entryInfoActionRemoveMetadata;
+      case EntryInfoAction.exportMetadata:
+        return context.l10n.entryInfoActionExportMetadata;
       // GeoTIFF
       case EntryInfoAction.showGeoTiffOnMap:
         return context.l10n.entryActionShowGeoTiffOnMap;
@@ -96,6 +100,8 @@ extension ExtraEntryInfoAction on EntryInfoAction {
         return AIcons.editTags;
       case EntryInfoAction.removeMetadata:
         return AIcons.clear;
+      case EntryInfoAction.exportMetadata:
+        return AIcons.fileExport;
       // GeoTIFF
       case EntryInfoAction.showGeoTiffOnMap:
         return AIcons.map;

lib/model/entry_info.dart

@@ -0,0 +1,154 @@
+import 'dart:async';
+import 'dart:collection';
+
+import 'package:aves/model/entry.dart';
+import 'package:aves/model/video/keys.dart';
+import 'package:aves/model/video/metadata.dart';
+import 'package:aves/ref/mime_types.dart';
+import 'package:aves/services/common/services.dart';
+import 'package:aves/services/metadata/svg_metadata_service.dart';
+import 'package:aves/theme/colors.dart';
+import 'package:aves/widgets/viewer/info/metadata/metadata_dir.dart';
+import 'package:collection/collection.dart';
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+extension ExtraAvesEntryInfo on AvesEntry {
+  // directory names may contain the name of their parent directory (as prefix + '/')
+  // directory names may contain an index (as suffix in '[]')
+  static final directoryNamePattern = RegExp(r'^((?<parent>.*?)/)?(?<name>.*?)(\[(?<index>\d+)\])?$');
+
+  Future<List<MapEntry<String, MetadataDirectory>>> getMetadataDirectories(BuildContext context) async {
+    final rawMetadata = await (isSvg ? SvgMetadataService.getAllMetadata(this) : metadataFetchService.getAllMetadata(this));
+    final directories = rawMetadata.entries.map((dirKV) {
+      var directoryName = dirKV.key as String;
+
+      String? parent;
+      int? index;
+      final match = directoryNamePattern.firstMatch(directoryName);
+      if (match != null) {
+        parent = match.namedGroup('parent');
+        final nameMatch = match.namedGroup('name');
+        if (nameMatch != null) {
+          directoryName = nameMatch;
+        }
+        final indexMatch = match.namedGroup('index');
+        if (indexMatch != null) {
+          index = int.tryParse(indexMatch);
+        }
+      }
+
+      final rawTags = dirKV.value as Map;
+      return MetadataDirectory(
+        directoryName,
+        _toSortedTags(rawTags),
+        parent: parent,
+        index: index,
+      );
+    }).toList();
+
+    if (isVideo || (mimeType == MimeTypes.heif && isMultiPage)) {
+      directories.addAll(await _getStreamDirectories(context));
+    }
+
+    final titledDirectories = directories.map((dir) {
+      var title = dir.name;
+      if (directories.where((dir) => dir.name == title).length > 1 && dir.parent?.isNotEmpty == true) {
+        title = '${dir.parent}/$title';
+      }
+      if (dir.index != null) {
+        title += ' ${dir.index}';
+      }
+      return MapEntry(title, dir);
+    }).toList()
+      ..sort((a, b) => compareAsciiUpperCase(a.key, b.key));
+
+    return titledDirectories;
+  }
+
+  Future<List<MetadataDirectory>> _getStreamDirectories(BuildContext context) async {
+    final directories = <MetadataDirectory>[];
+    final mediaInfo = await VideoMetadataFormatter.getVideoMetadata(this);
+
+    final formattedMediaTags = VideoMetadataFormatter.formatInfo(mediaInfo);
+    if (formattedMediaTags.isNotEmpty) {
+      // overwrite generic directory found from the platform side
+      directories.add(MetadataDirectory(MetadataDirectory.mediaDirectory, _toSortedTags(formattedMediaTags)));
+    }
+
+    if (mediaInfo.containsKey(Keys.streams)) {
+      String getTypeText(Map stream) {
+        final type = stream[Keys.streamType] ?? StreamTypes.unknown;
+        switch (type) {
+          case StreamTypes.attachment:
+            return 'Attachment';
+          case StreamTypes.audio:
+            return 'Audio';
+          case StreamTypes.metadata:
+            return 'Metadata';
+          case StreamTypes.subtitle:
+          case StreamTypes.timedText:
+            return 'Text';
+          case StreamTypes.video:
+            return stream.containsKey(Keys.fpsDen) ? 'Video' : 'Image';
+          case StreamTypes.unknown:
+          default:
+            return 'Unknown';
+        }
+      }
+
+      final allStreams = (mediaInfo[Keys.streams] as List).cast<Map>();
+      final attachmentStreams = allStreams.where((stream) => stream[Keys.streamType] == StreamTypes.attachment).toList();
+      final knownStreams = allStreams.whereNot(attachmentStreams.contains);
+
+      // display known streams as separate directories (e.g. video, audio, subs)
+      if (knownStreams.isNotEmpty) {
+        final indexDigits = knownStreams.length.toString().length;
+
+        final colors = context.read<AvesColorsData>();
+        for (final stream in knownStreams) {
+          final index = (stream[Keys.index] ?? 0) + 1;
+          final typeText = getTypeText(stream);
+          final dirName = 'Stream ${index.toString().padLeft(indexDigits, '0')} • $typeText';
+          final formattedStreamTags = VideoMetadataFormatter.formatInfo(stream);
+          if (formattedStreamTags.isNotEmpty) {
+            final color = colors.fromString(typeText);
+            directories.add(MetadataDirectory(dirName, _toSortedTags(formattedStreamTags), color: color));
+          }
+        }
+      }
+
+      // group attachments by format (e.g. TTF fonts)
+      if (attachmentStreams.isNotEmpty) {
+        final formatCount = <String, List<String?>>{};
+        for (final stream in attachmentStreams) {
+          final codec = (stream[Keys.codecName] as String? ?? 'unknown').toUpperCase();
+          if (!formatCount.containsKey(codec)) {
+            formatCount[codec] = [];
+          }
+          formatCount[codec]!.add(stream[Keys.filename]);
+        }
+        if (formatCount.isNotEmpty) {
+          final rawTags = formatCount.map((key, value) {
+            final count = value.length;
+            // remove duplicate names, so number of displayed names may not match displayed count
+            final names = value.whereNotNull().toSet().toList()..sort(compareAsciiUpperCase);
+            return MapEntry(key, '$count items: ${names.join(', ')}');
+          });
+          directories.add(MetadataDirectory('Attachments', _toSortedTags(rawTags)));
+        }
+      }
+    }
+    return directories;
+  }
+
+  SplayTreeMap<String, String> _toSortedTags(Map rawTags) {
+    final tags = SplayTreeMap.of(Map.fromEntries(rawTags.entries.map((tagKV) {
+      var value = (tagKV.value as String? ?? '').trim();
+      if (value.isEmpty) return null;
+      final tagName = tagKV.key as String;
+      return MapEntry(tagName, value);
+    }).whereNotNull()));
+    return tags;
+  }
+}

lib/widgets/viewer/action/entry_info_action_delegate.dart

@@ -1,11 +1,14 @@
 import 'dart:async';
+import 'dart:convert';
 
 import 'package:aves/model/actions/entry_info_actions.dart';
 import 'package:aves/model/actions/events.dart';
 import 'package:aves/model/entry.dart';
+import 'package:aves/model/entry_info.dart';
 import 'package:aves/model/entry_metadata_edition.dart';
 import 'package:aves/model/geotiff.dart';
 import 'package:aves/model/source/collection_lens.dart';
+import 'package:aves/ref/mime_types.dart';
 import 'package:aves/services/common/services.dart';
 import 'package:aves/widgets/common/action_mixins/entry_editor.dart';
 import 'package:aves/widgets/common/action_mixins/feedback.dart';
@@ -39,6 +42,7 @@ class EntryInfoActionDelegate with FeedbackMixin, PermissionAwareMixin, EntryEdi
       case EntryInfoAction.editRating:
       case EntryInfoAction.editTags:
       case EntryInfoAction.removeMetadata:
+      case EntryInfoAction.exportMetadata:
         return true;
       // GeoTIFF
       case EntryInfoAction.showGeoTiffOnMap:
@@ -68,6 +72,8 @@ class EntryInfoActionDelegate with FeedbackMixin, PermissionAwareMixin, EntryEdi
         return entry.canEditTags;
       case EntryInfoAction.removeMetadata:
         return entry.canRemoveMetadata;
+      case EntryInfoAction.exportMetadata:
+        return true;
       // GeoTIFF
       case EntryInfoAction.showGeoTiffOnMap:
         return true;
@@ -104,6 +110,9 @@ class EntryInfoActionDelegate with FeedbackMixin, PermissionAwareMixin, EntryEdi
       case EntryInfoAction.removeMetadata:
         await _removeMetadata(context);
         break;
+      case EntryInfoAction.exportMetadata:
+        await _exportMetadata(context);
+        break;
       // GeoTIFF
       case EntryInfoAction.showGeoTiffOnMap:
         await _showGeoTiffOnMap(context);
@@ -169,6 +178,38 @@ class EntryInfoActionDelegate with FeedbackMixin, PermissionAwareMixin, EntryEdi
     await edit(context, () => entry.removeMetadata(types));
   }
 
+  Future<void> _exportMetadata(BuildContext context) async {
+    final lines = <String>[];
+    final padding = ' ' * 2;
+    final titledDirectories = await entry.getMetadataDirectories(context);
+    titledDirectories.forEach((kv) {
+      final title = kv.key;
+      final dir = kv.value;
+
+      lines.add('[$title]');
+      final dirContent = dir.allTags;
+      final tags = dirContent.keys.toList()..sort();
+      tags.forEach((tag) {
+        final value = dirContent[tag];
+        lines.add('$padding$tag: $value');
+      });
+    });
+    final metadataString = lines.join('\n');
+
+    final success = await storageService.createFile(
+      '${entry.filenameWithoutExtension}-metadata.txt',
+      MimeTypes.plainText,
+      Uint8List.fromList(utf8.encode(metadataString)),
+    );
+    if (success != null) {
+      if (success) {
+        showFeedback(context, context.l10n.genericSuccessFeedback);
+      } else {
+        showFeedback(context, context.l10n.genericFailureFeedback);
+      }
+    }
+  }
+
   Future<void> _convertMotionPhotoToStillImage(BuildContext context) async {
     final confirmed = await showDialog<bool>(
       context: context,

lib/widgets/viewer/info/info_app_bar.dart

@@ -3,12 +3,12 @@ import 'package:aves/model/entry.dart';
 import 'package:aves/theme/durations.dart';
 import 'package:aves/theme/icons.dart';
 import 'package:aves/widgets/common/app_bar/app_bar_title.dart';
+import 'package:aves/widgets/common/app_bar/sliver_app_bar_title.dart';
 import 'package:aves/widgets/common/basic/menu.dart';
 import 'package:aves/widgets/common/extensions/build_context.dart';
-import 'package:aves/widgets/common/app_bar/sliver_app_bar_title.dart';
 import 'package:aves/widgets/viewer/action/entry_info_action_delegate.dart';
 import 'package:aves/widgets/viewer/info/info_search.dart';
-import 'package:aves/widgets/viewer/info/metadata/metadata_section.dart';
+import 'package:aves/widgets/viewer/info/metadata/metadata_dir.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';

lib/widgets/viewer/info/info_page.dart

@@ -14,6 +14,7 @@ import 'package:aves/widgets/viewer/embedded/embedded_data_opener.dart';
 import 'package:aves/widgets/viewer/info/basic_section.dart';
 import 'package:aves/widgets/viewer/info/info_app_bar.dart';
 import 'package:aves/widgets/viewer/info/location_section.dart';
+import 'package:aves/widgets/viewer/info/metadata/metadata_dir.dart';
 import 'package:aves/widgets/viewer/info/metadata/metadata_section.dart';
 import 'package:aves/widgets/viewer/multipage/conductor.dart';
 import 'package:aves/widgets/viewer/notifications.dart';

lib/widgets/viewer/info/info_search.dart

@@ -4,8 +4,8 @@ import 'package:aves/widgets/common/extensions/build_context.dart';
 import 'package:aves/widgets/common/identity/empty.dart';
 import 'package:aves/widgets/common/providers/media_query_data_provider.dart';
 import 'package:aves/widgets/viewer/embedded/embedded_data_opener.dart';
+import 'package:aves/widgets/viewer/info/metadata/metadata_dir.dart';
 import 'package:aves/widgets/viewer/info/metadata/metadata_dir_tile.dart';
-import 'package:aves/widgets/viewer/info/metadata/metadata_section.dart';
 import 'package:collection/collection.dart';
 import 'package:flutter/material.dart';
 

lib/widgets/viewer/info/metadata/metadata_dir.dart

@@ -0,0 +1,40 @@
+import 'dart:collection';
+
+import 'package:flutter/material.dart';
+
+class MetadataDirectory {
+  final String name;
+  final Color? color;
+  final String? parent;
+  final int? index;
+  final SplayTreeMap<String, String> allTags;
+  final SplayTreeMap<String, String> tags;
+
+  // special directory names
+  static const exifThumbnailDirectory = 'Exif Thumbnail'; // from metadata-extractor
+  static const xmpDirectory = 'XMP'; // from metadata-extractor
+  static const mediaDirectory = 'Media'; // custom
+  static const coverDirectory = 'Cover'; // custom
+  static const geoTiffDirectory = 'GeoTIFF'; // custom
+
+  const MetadataDirectory(
+    this.name,
+    this.allTags, {
+    SplayTreeMap<String, String>? tags,
+    this.color,
+    this.parent,
+    this.index,
+  }) : tags = tags ?? allTags;
+
+  MetadataDirectory filterKeys(bool Function(String key) testKey) {
+    final filteredTags = SplayTreeMap.of(Map.fromEntries(allTags.entries.where((kv) => testKey(kv.key))));
+    return MetadataDirectory(
+      name,
+      tags,
+      tags: filteredTags,
+      color: color,
+      parent: parent,
+      index: index,
+    );
+  }
+}

lib/widgets/viewer/info/metadata/metadata_dir_tile.dart

@@ -10,7 +10,7 @@ import 'package:aves/widgets/common/identity/aves_expansion_tile.dart';
 import 'package:aves/widgets/viewer/embedded/notifications.dart';
 import 'package:aves/widgets/viewer/info/common.dart';
 import 'package:aves/widgets/viewer/info/metadata/geotiff.dart';
-import 'package:aves/widgets/viewer/info/metadata/metadata_section.dart';
+import 'package:aves/widgets/viewer/info/metadata/metadata_dir.dart';
 import 'package:aves/widgets/viewer/info/metadata/metadata_thumbnail.dart';
 import 'package:aves/widgets/viewer/info/metadata/xmp_tile.dart';
 import 'package:aves/widgets/viewer/source_viewer_page.dart';

lib/widgets/viewer/info/metadata/metadata_section.dart

@@ -1,18 +1,12 @@
 import 'dart:async';
-import 'dart:collection';
 
 import 'package:aves/model/entry.dart';
-import 'package:aves/model/video/keys.dart';
+import 'package:aves/model/entry_info.dart';
-import 'package:aves/model/video/metadata.dart';
-import 'package:aves/ref/mime_types.dart';
-import 'package:aves/services/common/services.dart';
-import 'package:aves/services/metadata/svg_metadata_service.dart';
-import 'package:aves/theme/colors.dart';
 import 'package:aves/theme/durations.dart';
 import 'package:aves/theme/icons.dart';
 import 'package:aves/widgets/viewer/info/common.dart';
+import 'package:aves/widgets/viewer/info/metadata/metadata_dir.dart';
 import 'package:aves/widgets/viewer/info/metadata/metadata_dir_tile.dart';
-import 'package:collection/collection.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:flutter_staggered_animations/flutter_staggered_animations.dart';
@@ -39,10 +33,6 @@ class _MetadataSectionSliverState extends State<MetadataSectionSliver> {
 
   ValueNotifier<Map<String, MetadataDirectory>> get metadataNotifier => widget.metadataNotifier;
 
-  // directory names may contain the name of their parent directory (as prefix + '/')
-  // directory names may contain an index (as suffix in '[]')
-  static final directoryNamePattern = RegExp(r'^((?<parent>.*?)/)?(?<name>.*?)(\[(?<index>\d+)\])?$');
-
   @override
   void initState() {
     super.initState();
@@ -132,173 +122,8 @@ class _MetadataSectionSliverState extends State<MetadataSectionSliver> {
   }
 
   Future<void> _getMetadata() async {
-    final rawMetadata = await (entry.isSvg ? SvgMetadataService.getAllMetadata(entry) : metadataFetchService.getAllMetadata(entry));
+    final titledDirectories = await entry.getMetadataDirectories(context);
-    final directories = rawMetadata.entries.map((dirKV) {
-      var directoryName = dirKV.key as String;
-
-      String? parent;
-      int? index;
-      final match = directoryNamePattern.firstMatch(directoryName);
-      if (match != null) {
-        parent = match.namedGroup('parent');
-        final nameMatch = match.namedGroup('name');
-        if (nameMatch != null) {
-          directoryName = nameMatch;
-        }
-        final indexMatch = match.namedGroup('index');
-        if (indexMatch != null) {
-          index = int.tryParse(indexMatch);
-        }
-      }
-
-      final rawTags = dirKV.value as Map;
-      return MetadataDirectory(
-        directoryName,
-        _toSortedTags(rawTags),
-        parent: parent,
-        index: index,
-      );
-    }).toList();
-
-    if (entry.isVideo || (entry.mimeType == MimeTypes.heif && entry.isMultiPage)) {
-      directories.addAll(await _getStreamDirectories());
-    }
-
-    final titledDirectories = directories.map((dir) {
-      var title = dir.name;
-      if (directories.where((dir) => dir.name == title).length > 1 && dir.parent?.isNotEmpty == true) {
-        title = '${dir.parent}/$title';
-      }
-      if (dir.index != null) {
-        title += ' ${dir.index}';
-      }
-      return MapEntry(title, dir);
-    }).toList()
-      ..sort((a, b) => compareAsciiUpperCase(a.key, b.key));
     metadataNotifier.value = Map.fromEntries(titledDirectories);
     _expandedDirectoryNotifier.value = null;
   }
-
-  Future<List<MetadataDirectory>> _getStreamDirectories() async {
-    final directories = <MetadataDirectory>[];
-    final mediaInfo = await VideoMetadataFormatter.getVideoMetadata(entry);
-
-    final formattedMediaTags = VideoMetadataFormatter.formatInfo(mediaInfo);
-    if (formattedMediaTags.isNotEmpty) {
-      // overwrite generic directory found from the platform side
-      directories.add(MetadataDirectory(MetadataDirectory.mediaDirectory, _toSortedTags(formattedMediaTags)));
-    }
-
-    if (mediaInfo.containsKey(Keys.streams)) {
-      String getTypeText(Map stream) {
-        final type = stream[Keys.streamType] ?? StreamTypes.unknown;
-        switch (type) {
-          case StreamTypes.attachment:
-            return 'Attachment';
-          case StreamTypes.audio:
-            return 'Audio';
-          case StreamTypes.metadata:
-            return 'Metadata';
-          case StreamTypes.subtitle:
-          case StreamTypes.timedText:
-            return 'Text';
-          case StreamTypes.video:
-            return stream.containsKey(Keys.fpsDen) ? 'Video' : 'Image';
-          case StreamTypes.unknown:
-          default:
-            return 'Unknown';
-        }
-      }
-
-      final allStreams = (mediaInfo[Keys.streams] as List).cast<Map>();
-      final attachmentStreams = allStreams.where((stream) => stream[Keys.streamType] == StreamTypes.attachment).toList();
-      final knownStreams = allStreams.whereNot(attachmentStreams.contains);
-
-      // display known streams as separate directories (e.g. video, audio, subs)
-      if (knownStreams.isNotEmpty) {
-        final indexDigits = knownStreams.length.toString().length;
-
-        final colors = context.read<AvesColorsData>();
-        for (final stream in knownStreams) {
-          final index = (stream[Keys.index] ?? 0) + 1;
-          final typeText = getTypeText(stream);
-          final dirName = 'Stream ${index.toString().padLeft(indexDigits, '0')} • $typeText';
-          final formattedStreamTags = VideoMetadataFormatter.formatInfo(stream);
-          if (formattedStreamTags.isNotEmpty) {
-            final color = colors.fromString(typeText);
-            directories.add(MetadataDirectory(dirName, _toSortedTags(formattedStreamTags), color: color));
-          }
-        }
-      }
-
-      // group attachments by format (e.g. TTF fonts)
-      if (attachmentStreams.isNotEmpty) {
-        final formatCount = <String, List<String?>>{};
-        for (final stream in attachmentStreams) {
-          final codec = (stream[Keys.codecName] as String? ?? 'unknown').toUpperCase();
-          if (!formatCount.containsKey(codec)) {
-            formatCount[codec] = [];
-          }
-          formatCount[codec]!.add(stream[Keys.filename]);
-        }
-        if (formatCount.isNotEmpty) {
-          final rawTags = formatCount.map((key, value) {
-            final count = value.length;
-            // remove duplicate names, so number of displayed names may not match displayed count
-            final names = value.whereNotNull().toSet().toList()..sort(compareAsciiUpperCase);
-            return MapEntry(key, '$count items: ${names.join(', ')}');
-          });
-          directories.add(MetadataDirectory('Attachments', _toSortedTags(rawTags)));
-        }
-      }
-    }
-    return directories;
-  }
-
-  SplayTreeMap<String, String> _toSortedTags(Map rawTags) {
-    final tags = SplayTreeMap.of(Map.fromEntries(rawTags.entries.map((tagKV) {
-      var value = (tagKV.value as String? ?? '').trim();
-      if (value.isEmpty) return null;
-      final tagName = tagKV.key as String;
-      return MapEntry(tagName, value);
-    }).whereNotNull()));
-    return tags;
-  }
-}
-
-class MetadataDirectory {
-  final String name;
-  final Color? color;
-  final String? parent;
-  final int? index;
-  final SplayTreeMap<String, String> allTags;
-  final SplayTreeMap<String, String> tags;
-
-  // special directory names
-  static const exifThumbnailDirectory = 'Exif Thumbnail'; // from metadata-extractor
-  static const xmpDirectory = 'XMP'; // from metadata-extractor
-  static const mediaDirectory = 'Media'; // custom
-  static const coverDirectory = 'Cover'; // custom
-  static const geoTiffDirectory = 'GeoTIFF'; // custom
-
-  const MetadataDirectory(
-    this.name,
-    this.allTags, {
-    SplayTreeMap<String, String>? tags,
-    this.color,
-    this.parent,
-    this.index,
-  }) : tags = tags ?? allTags;
-
-  MetadataDirectory filterKeys(bool Function(String key) testKey) {
-    final filteredTags = SplayTreeMap.of(Map.fromEntries(allTags.entries.where((kv) => testKey(kv.key))));
-    return MetadataDirectory(
-      name,
-      tags,
-      tags: filteredTags,
-      color: color,
-      parent: parent,
-      index: index,
-    );
-  }
 }

untranslated.json

@@ -1,8 +1,17 @@
 {
+  "de": [
+    "entryInfoActionExportMetadata"
+  ],
+
   "el": [
+    "entryInfoActionExportMetadata",
     "tagEditorSectionPlaceholders"
   ],
 
+  "es": [
+    "entryInfoActionExportMetadata"
+  ],
+
   "fa": [
     "appName",
     "welcomeMessage",
@@ -89,6 +98,7 @@
     "entryInfoActionEditRating",
     "entryInfoActionEditTags",
     "entryInfoActionRemoveMetadata",
+    "entryInfoActionExportMetadata",
     "filterBinLabel",
     "filterFavouriteLabel",
     "filterNoDateLabel",
@@ -585,7 +595,12 @@
     "filePickerUseThisFolder"
   ],
 
+  "fr": [
+    "entryInfoActionExportMetadata"
+  ],
+
   "gl": [
+    "entryInfoActionExportMetadata",
     "accessibilityAnimationsRemove",
     "accessibilityAnimationsKeep",
     "displayRefreshRatePreferHighest",
@@ -1034,14 +1049,28 @@
     "filePickerUseThisFolder"
   ],
 
+  "id": [
+    "entryInfoActionExportMetadata"
+  ],
+
+  "it": [
+    "entryInfoActionExportMetadata"
+  ],
+
   "ja": [
-    "chipActionFilterIn"
+    "chipActionFilterIn",
+    "entryInfoActionExportMetadata"
+  ],
+
+  "ko": [
+    "entryInfoActionExportMetadata"
   ],
 
   "nb": [
     "videoActionCaptureFrame",
     "videoActionSelectStreams",
     "entryInfoActionEditLocation",
+    "entryInfoActionExportMetadata",
     "coordinateFormatDms",
     "mapStyleHuaweiNormal",
     "mapStyleHuaweiTerrain",
@@ -1151,12 +1180,17 @@
     "tagPlaceholderPlace"
   ],
 
+  "nl": [
+    "entryInfoActionExportMetadata"
+  ],
+
   "pl": [
     "itemCount",
     "timeSeconds",
     "timeMinutes",
     "timeDays",
     "focalLength",
+    "entryInfoActionExportMetadata",
     "filterTypeRawLabel",
     "filterTypeSphericalVideoLabel",
     "filterTypeGeotiffLabel",
@@ -1640,7 +1674,20 @@
     "filePickerUseThisFolder"
   ],
 
+  "pt": [
+    "entryInfoActionExportMetadata"
+  ],
+
+  "ru": [
+    "entryInfoActionExportMetadata"
+  ],
+
+  "tr": [
+    "entryInfoActionExportMetadata"
+  ],
+
   "zh": [
+    "entryInfoActionExportMetadata",
     "editEntryLocationDialogSetCustom",
     "settingsAllowMediaManagement",
     "tagEditorSectionPlaceholders",