✨ Able to set attachment alt text

assets/translations/en-US.json

@@ -282,6 +282,7 @@
     "other": "{} attachments"
   },
   "fieldAttachmentRandomId": "Random ID",
+  "fieldAttachmentAlt": "Alternative text",
   "addAttachmentFromAlbum": "Add from album",
   "addAttachmentFromClipboard": "Paste file",
   "addAttachmentFromCameraPhoto": "Take photo",
@@ -293,6 +294,7 @@
   "attachmentUnsetAsPostThumbnail": "Unset as post thumbnail",
   "attachmentCompressVideo": "Re-encode video",
   "attachmentSetThumbnail": "Set thumbnail",
+  "attachmentSetAlt": "Set alternative text",
   "attachmentCopyRandomId": "Copy RID",
   "attachmentUpload": "Upload",
   "attachmentInputDialog": "Upload attachments",

assets/translations/zh-CN.json

@@ -280,6 +280,7 @@
     "other": "{} 个附件"
   },
   "fieldAttachmentRandomId": "访问 ID",
+  "fieldAttachmentAlt": "概述文字",
   "addAttachmentFromAlbum": "从相册中添加附件",
   "addAttachmentFromClipboard": "粘贴附件",
   "addAttachmentFromCameraPhoto": "拍摄照片",
@@ -291,6 +292,7 @@
   "attachmentUnsetAsPostThumbnail": "取消设置为帖子缩略图",
   "attachmentCompressVideo": "重新编码视频",
   "attachmentSetThumbnail": "设置缩略图",
+  "attachmentSetAlt": "设置概述文字",
   "attachmentCopyRandomId": "复制访问 ID",
   "attachmentUpload": "上传",
   "attachmentInputDialog": "上传附件",

assets/translations/zh-HK.json

@@ -280,6 +280,7 @@
     "other": "{} 個附件"
   },
   "fieldAttachmentRandomId": "訪問 ID",
+  "fieldAttachmentAlt": "概述文字",
   "addAttachmentFromAlbum": "從相冊中添加附件",
   "addAttachmentFromClipboard": "粘貼附件",
   "addAttachmentFromCameraPhoto": "拍攝照片",
@@ -291,6 +292,7 @@
   "attachmentUnsetAsPostThumbnail": "取消設置為帖子縮略圖",
   "attachmentCompressVideo": "重新編碼視頻",
   "attachmentSetThumbnail": "設置縮略圖",
+  "attachmentSetAlt": "設置概述文字",
   "attachmentCopyRandomId": "複製訪問 ID",
   "attachmentUpload": "上傳",
   "attachmentInputDialog": "上傳附件",

assets/translations/zh-TW.json

@@ -280,6 +280,7 @@
     "other": "{} 個附件"
   },
   "fieldAttachmentRandomId": "訪問 ID",
+  "fieldAttachmentAlt": "概述文字",
   "addAttachmentFromAlbum": "從相冊中添加附件",
   "addAttachmentFromClipboard": "粘貼附件",
   "addAttachmentFromCameraPhoto": "拍攝照片",
@@ -291,6 +292,7 @@
   "attachmentUnsetAsPostThumbnail": "取消設置為帖子縮略圖",
   "attachmentCompressVideo": "重新編碼視頻",
   "attachmentSetThumbnail": "設置縮略圖",
+  "attachmentSetAlt": "設置概述文字",
   "attachmentCopyRandomId": "複製訪問 ID",
   "attachmentUpload": "上傳",
   "attachmentInputDialog": "上傳附件",

lib/widgets/attachment/pending_attachment_alt.dart

@@ -0,0 +1,87 @@
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+import 'package:provider/provider.dart';
+import 'package:surface/controllers/post_write_controller.dart';
+import 'package:surface/providers/sn_attachment.dart';
+import 'package:surface/widgets/dialog.dart';
+
+class PendingAttachmentAltDialog extends StatefulWidget {
+  final PostWriteMedia media;
+  const PendingAttachmentAltDialog({super.key, required this.media});
+
+  @override
+  State<PendingAttachmentAltDialog> createState() => _PendingAttachmentAltDialogState();
+}
+
+class _PendingAttachmentAltDialogState extends State<PendingAttachmentAltDialog> {
+  final _contentController = TextEditingController();
+
+  @override
+  void initState() {
+    super.initState();
+    _contentController.text = widget.media.attachment!.alt;
+  }
+
+  bool _isBusy = false;
+
+  Future<void> _performAction() async {
+    if (_isBusy) return;
+
+    setState(() => _isBusy = true);
+
+    try {
+      final attach = context.read<SnAttachmentProvider>();
+      final result = await attach.updateOne(
+        widget.media.attachment!,
+        alt: _contentController.text,
+      );
+      if (!mounted) return;
+      attach.putCache([result]);
+      Navigator.pop(context, result);
+    } catch (err) {
+      if (!mounted) return;
+      context.showErrorDialog(err);
+      setState(() => _isBusy = false);
+    }
+  }
+
+  @override
+  void dispose() {
+    _contentController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: Text('attachmentSetAlt').tr(),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          TextField(
+            controller: _contentController,
+            decoration: InputDecoration(
+              labelText: 'fieldAttachmentAlt'.tr(),
+              border: const UnderlineInputBorder(),
+            ),
+            onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
+          ),
+        ],
+      ),
+      actions: [
+        TextButton(
+          onPressed: _isBusy ? null : () {
+            Navigator.pop(context);
+          },
+          child: Text('dialogDismiss'.tr()),
+        ),
+        TextButton(
+          onPressed: _isBusy ? null : () => _performAction(),
+          child: Text('dialogConfirm'.tr()),
+        ),
+      ],
+    );
+  }
+}

lib/widgets/post/post_media_pending_list.dart

@@ -21,6 +21,7 @@ import 'package:surface/providers/sn_network.dart';
 import 'package:surface/types/attachment.dart';
 import 'package:surface/widgets/attachment/attachment_input.dart';
 import 'package:surface/widgets/attachment/attachment_zoom.dart';
+import 'package:surface/widgets/attachment/pending_attachment_alt.dart';
 import 'package:surface/widgets/attachment/pending_attachment_boost.dart';
 import 'package:surface/widgets/context_menu.dart';
 import 'package:surface/widgets/dialog.dart';
@@ -157,6 +158,16 @@ class PostMediaPendingList extends StatelessWidget {
     onUpdate!(idx, result);
   }
 
+  Future<void> _setAlt(BuildContext context, int idx) async {
+    final result = await showDialog<SnAttachment?>(
+      context: context,
+      builder: (context) => PendingAttachmentAltDialog(media: attachments[idx]),
+    );
+    if (result == null) return;
+
+    onUpdate!(idx, PostWriteMedia(result));
+  }
+
   ContextMenu _createContextMenu(BuildContext context, int idx, PostWriteMedia media) {
     final canCompressVideo = !kIsWeb && (Platform.isAndroid || Platform.isIOS || Platform.isMacOS);
     return ContextMenu(
@@ -169,6 +180,14 @@ class PostMediaPendingList extends StatelessWidget {
               _compressVideo(context, idx);
             },
           ),
+        if (media.attachment != null)
+          MenuItem(
+            label: 'attachmentSetAlt'.tr(),
+            icon: Symbols.description,
+            onSelected: () {
+              _setAlt(context, idx);
+            },
+          ),
         if (media.attachment != null)
           MenuItem(
             label: 'attachmentBoost'.tr(),