aves/lib/widgets/viewer/info/metadata/metadata_dir_tile.dart
2021-01-11 18:46:41 +09:00

113 lines
3.9 KiB
Dart

import 'dart:collection';
import 'package:aves/model/image_entry.dart';
import 'package:aves/ref/brand_colors.dart';
import 'package:aves/services/svg_metadata_service.dart';
import 'package:aves/theme/icons.dart';
import 'package:aves/utils/color_utils.dart';
import 'package:aves/utils/constants.dart';
import 'package:aves/widgets/common/identity/aves_expansion_tile.dart';
import 'package:aves/widgets/viewer/info/common.dart';
import 'package:aves/widgets/viewer/info/metadata/metadata_section.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';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
class MetadataDirTile extends StatelessWidget {
final ImageEntry entry;
final String title;
final MetadataDirectory dir;
final ValueNotifier<String> expandedDirectoryNotifier;
final bool initiallyExpanded, showPrefixChildren;
const MetadataDirTile({
@required this.entry,
@required this.title,
@required this.dir,
this.expandedDirectoryNotifier,
this.initiallyExpanded = false,
this.showPrefixChildren = true,
});
@override
Widget build(BuildContext context) {
final tags = dir.tags;
if (tags.isEmpty) return SizedBox.shrink();
final dirName = dir.name;
if (dirName == MetadataDirectory.xmpDirectory) {
return XmpDirTile(
entry: entry,
tags: tags,
expandedNotifier: expandedDirectoryNotifier,
initiallyExpanded: initiallyExpanded,
);
}
Widget thumbnail;
final prefixChildren = <Widget>[];
if (showPrefixChildren) {
switch (dirName) {
case MetadataDirectory.exifThumbnailDirectory:
thumbnail = MetadataThumbnails(source: MetadataThumbnailSource.exif, entry: entry);
break;
case MetadataDirectory.mediaDirectory:
thumbnail = MetadataThumbnails(source: MetadataThumbnailSource.embedded, entry: entry);
Widget builder(IconData data) => Padding(
padding: EdgeInsets.symmetric(vertical: 4, horizontal: 8),
child: Icon(data),
);
if (tags['Has Video'] == 'yes') prefixChildren.add(builder(AIcons.video));
if (tags['Has Audio'] == 'yes') prefixChildren.add(builder(AIcons.audio));
if (tags['Has Image'] == 'yes') {
int count;
if (tags.containsKey('Image Count')) {
count = int.tryParse(tags['Image Count']);
}
prefixChildren.addAll(List.generate(count ?? 1, (i) => builder(AIcons.image)));
}
break;
}
}
return AvesExpansionTile(
title: title,
color: BrandColors.get(dirName) ?? stringToColor(dirName),
expandedNotifier: expandedDirectoryNotifier,
initiallyExpanded: initiallyExpanded,
children: [
if (prefixChildren.isNotEmpty) Wrap(children: prefixChildren),
if (thumbnail != null) thumbnail,
Padding(
padding: EdgeInsets.only(left: 8, right: 8, bottom: 8),
child: InfoRowGroup(
tags,
maxValueLength: Constants.infoGroupMaxValueLength,
linkHandlers: dirName == SvgMetadataService.metadataDirectory ? getSvgLinkHandlers(tags) : null,
),
),
],
);
}
static Map<String, InfoLinkHandler> getSvgLinkHandlers(SplayTreeMap<String, String> tags) {
return {
'Metadata': InfoLinkHandler(
linkText: 'View XML',
onTap: (context) {
Navigator.push(
context,
MaterialPageRoute(
settings: RouteSettings(name: SourceViewerPage.routeName),
builder: (context) => SourceViewerPage(
loader: () => SynchronousFuture(tags['Metadata']),
),
),
);
},
),
};
}
}