aves/lib/widgets/viewer/info/metadata/xmp_ns/xmp.dart
2022-08-20 22:04:52 +02:00

105 lines
3.9 KiB
Dart

import 'package:aves/ref/mime_types.dart';
import 'package:aves/utils/xmp_utils.dart';
import 'package:aves/widgets/common/extensions/build_context.dart';
import 'package:aves/widgets/viewer/embedded/notifications.dart';
import 'package:aves/widgets/viewer/info/common.dart';
import 'package:aves/widgets/viewer/info/metadata/xmp_namespaces.dart';
import 'package:aves/widgets/viewer/info/metadata/xmp_structs.dart';
import 'package:flutter/material.dart';
class XmpBasicNamespace extends XmpNamespace {
late final thumbnailsPattern = RegExp(nsPrefix + r'Thumbnails\[(\d+)\]/(.*)');
static const thumbnailDataDisplayKey = 'Image';
final thumbnails = <int, Map<String, String>>{};
XmpBasicNamespace(String nsPrefix, Map<String, String> rawProps) : super(Namespaces.xmp, nsPrefix, rawProps);
@override
bool extractData(XmpProp prop) => extractIndexedStruct(prop, thumbnailsPattern, thumbnails);
@override
List<Widget> buildFromExtractedData() => [
if (thumbnails.isNotEmpty)
XmpStructArrayCard(
title: 'Thumbnail',
structByIndex: thumbnails,
linkifier: (index) {
final struct = thumbnails[index]!;
return {
if (struct.containsKey(thumbnailDataDisplayKey))
thumbnailDataDisplayKey: InfoRowGroup.linkSpanBuilder(
linkText: (context) => context.l10n.viewerInfoOpenLinkText,
onTap: (context) => OpenEmbeddedDataNotification.xmp(
props: [
const [Namespaces.xmp, 'Thumbnails'],
index,
const [Namespaces.xmpGImg, 'image'],
],
mimeType: MimeTypes.jpeg,
).dispatch(context),
),
};
},
)
];
}
class XmpMMNamespace extends XmpNamespace {
late final derivedFromPattern = RegExp(nsPrefix + r'DerivedFrom/(.*)');
late final historyPattern = RegExp(nsPrefix + r'History\[(\d+)\]/(.*)');
late final ingredientsPattern = RegExp(nsPrefix + r'Ingredients\[(\d+)\]/(.*)');
late final pantryPattern = RegExp(nsPrefix + r'Pantry\[(\d+)\]/(.*)');
final derivedFrom = <String, String>{};
final history = <int, Map<String, String>>{};
final ingredients = <int, Map<String, String>>{};
final pantry = <int, Map<String, String>>{};
XmpMMNamespace(String nsPrefix, Map<String, String> rawProps) : super(Namespaces.xmpMM, nsPrefix, rawProps);
@override
bool extractData(XmpProp prop) {
final hasStructs = extractStruct(prop, derivedFromPattern, derivedFrom);
var hasIndexedStructs = extractIndexedStruct(prop, historyPattern, history);
hasIndexedStructs |= extractIndexedStruct(prop, ingredientsPattern, ingredients);
hasIndexedStructs |= extractIndexedStruct(prop, pantryPattern, pantry);
return hasStructs || hasIndexedStructs;
}
@override
List<Widget> buildFromExtractedData() => [
if (derivedFrom.isNotEmpty)
XmpStructCard(
title: 'Derived From',
struct: derivedFrom,
),
if (history.isNotEmpty)
XmpStructArrayCard(
title: 'History',
structByIndex: history,
),
if (ingredients.isNotEmpty)
XmpStructArrayCard(
title: 'Ingredients',
structByIndex: ingredients,
),
if (pantry.isNotEmpty)
XmpStructArrayCard(
title: 'Pantry',
structByIndex: pantry,
),
];
}
class XmpNoteNamespace extends XmpNamespace {
// `xmpNote:HasExtendedXMP` is structural and should not be displayed to users
late final hasExtendedXmp = '${nsPrefix}HasExtendedXMP';
XmpNoteNamespace(String nsPrefix, Map<String, String> rawProps) : super(Namespaces.xmpNote, nsPrefix, rawProps);
@override
bool extractData(XmpProp prop) {
return prop.path == hasExtendedXmp;
}
}