From b80290528e7619f72f94fcb36c9c2cab349cf821 Mon Sep 17 00:00:00 2001
From: Thibault Deckers <thibault.deckers@gmail.com>
Date: Mon, 7 Mar 2022 11:46:07 +0900
Subject: [PATCH] info: improved xmp display

---
 .../viewer/info/metadata/xmp_namespaces.dart  |  4 +++
 .../info/metadata/xmp_ns/iptc4xmpExt.dart     | 25 +++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 lib/widgets/viewer/info/metadata/xmp_ns/iptc4xmpExt.dart

diff --git a/lib/widgets/viewer/info/metadata/xmp_namespaces.dart b/lib/widgets/viewer/info/metadata/xmp_namespaces.dart
index d4154c64e..8e1469d64 100644
--- a/lib/widgets/viewer/info/metadata/xmp_namespaces.dart
+++ b/lib/widgets/viewer/info/metadata/xmp_namespaces.dart
@@ -10,6 +10,7 @@ import 'package:aves/widgets/viewer/info/metadata/xmp_ns/dwc.dart';
 import 'package:aves/widgets/viewer/info/metadata/xmp_ns/exif.dart';
 import 'package:aves/widgets/viewer/info/metadata/xmp_ns/google.dart';
 import 'package:aves/widgets/viewer/info/metadata/xmp_ns/iptc.dart';
+import 'package:aves/widgets/viewer/info/metadata/xmp_ns/iptc4xmpExt.dart';
 import 'package:aves/widgets/viewer/info/metadata/xmp_ns/mwg.dart';
 import 'package:aves/widgets/viewer/info/metadata/xmp_ns/photoshop.dart';
 import 'package:aves/widgets/viewer/info/metadata/xmp_ns/tiff.dart';
@@ -51,6 +52,8 @@ class XmpNamespace extends Equatable {
         return XmpGImageNamespace(rawProps);
       case XmpIptcCoreNamespace.ns:
         return XmpIptcCoreNamespace(rawProps);
+      case XmpIptc4xmpExtNamespace.ns:
+        return XmpIptc4xmpExtNamespace(rawProps);
       case XmpMgwRegionsNamespace.ns:
         return XmpMgwRegionsNamespace(rawProps);
       case XmpMMNamespace.ns:
@@ -97,6 +100,7 @@ class XmpNamespace extends Equatable {
     'lr': 'Lightroom',
     'MicrosoftPhoto': 'Microsoft Photo',
     'mwg-rs': 'Regions',
+    'nga': 'National Gallery of Art',
     'panorama': 'Panorama',
     'PanoStudioXMP': 'PanoramaStudio',
     'pdf': 'PDF',
diff --git a/lib/widgets/viewer/info/metadata/xmp_ns/iptc4xmpExt.dart b/lib/widgets/viewer/info/metadata/xmp_ns/iptc4xmpExt.dart
new file mode 100644
index 000000000..147cb48fe
--- /dev/null
+++ b/lib/widgets/viewer/info/metadata/xmp_ns/iptc4xmpExt.dart
@@ -0,0 +1,25 @@
+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 XmpIptc4xmpExtNamespace extends XmpNamespace {
+  static const ns = 'Iptc4xmpExt';
+
+  static final aooPattern = RegExp(ns + r':ArtworkOrObject\[(\d+)\]/(.*)');
+
+  final aoo = <int, Map<String, String>>{};
+
+  XmpIptc4xmpExtNamespace(Map<String, String> rawProps) : super(ns, rawProps);
+
+  @override
+  bool extractData(XmpProp prop) => extractIndexedStruct(prop, aooPattern, aoo);
+
+  @override
+  List<Widget> buildFromExtractedData() => [
+        if (aoo.isNotEmpty)
+          XmpStructArrayCard(
+            title: 'Artwork or Object',
+            structByIndex: aoo,
+          ),
+      ];
+}