lemmur-app-android/lib/widgets/write_comment.dart

162 lines
4.5 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:lemmy_api_client/v3.dart';
import '../hooks/delayed_loading.dart';
import '../hooks/logged_in_action.dart';
import '../l10n/l10n.dart';
import 'editor.dart';
import 'markdown_mode_icon.dart';
import 'markdown_text.dart';
/// Modal for writing/editing a comment to a given post/comment (aka reply)
/// on submit pops the navigator stack with a [CommentView]
/// or `null` if cancelled
class WriteComment extends HookWidget {
final Post post;
final Comment? comment;
final bool _isEdit;
const WriteComment.toPost(this.post)
: comment = null,
_isEdit = false;
const WriteComment.toComment({
required Comment this.comment,
required this.post,
}) : _isEdit = false;
const WriteComment.edit({
required Comment this.comment,
required this.post,
}) : _isEdit = true;
@override
Widget build(BuildContext context) {
final controller =
useTextEditingController(text: _isEdit ? comment?.content : null);
final showFancy = useState(false);
final delayed = useDelayedLoading();
final loggedInAction = useLoggedInAction(post.instanceHost);
final preview = () {
final body = () {
final text = comment?.content ?? post.body;
if (text == null) return const SizedBox.shrink();
return MarkdownText(
text,
instanceHost: post.instanceHost,
selectable: true,
);
}();
return Column(
children: [
SelectableText(
post.name,
style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600),
),
const SizedBox(height: 4),
body,
],
);
}();
handleSubmit(Jwt token) async {
final api = LemmyApiV3(post.instanceHost);
delayed.start();
try {
final res = await () {
if (_isEdit) {
return api.run(EditComment(
commentId: comment!.id,
content: controller.text,
auth: token.raw,
));
} else {
return api.run(CreateComment(
content: controller.text,
postId: post.id,
parentId: comment?.id,
auth: token.raw,
));
}
}();
Navigator.of(context).pop(res.commentView);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Failed to post comment')));
}
delayed.cancel();
}
return Scaffold(
appBar: AppBar(
leading: const CloseButton(),
actions: [
IconButton(
icon: markdownModeIcon(fancy: showFancy.value),
onPressed: () => showFancy.value = !showFancy.value,
),
],
),
body: ListView(
children: [
ConstrainedBox(
constraints: BoxConstraints(
maxHeight: MediaQuery.of(context).size.height * .35),
child: SingleChildScrollView(
padding: const EdgeInsets.all(8),
child: preview,
),
),
const Divider(),
Editor(
instanceHost: post.instanceHost,
controller: controller,
autofocus: true,
fancy: showFancy.value,
),
Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
TextButton(
onPressed:
delayed.pending ? () {} : loggedInAction(handleSubmit),
child: delayed.loading
? const CircularProgressIndicator()
: Text(_isEdit
? L10n.of(context)!.edit
: L10n.of(context)!.post),
)
],
),
],
),
);
}
static Route<CommentView> toPostRoute(Post post) => MaterialPageRoute(
builder: (context) => WriteComment.toPost(post),
fullscreenDialog: true,
);
static Route<CommentView> toCommentRoute({
required Comment comment,
required Post post,
}) =>
MaterialPageRoute(
builder: (context) =>
WriteComment.toComment(comment: comment, post: post),
fullscreenDialog: true,
);
static Route<CommentView> editRoute({
required Comment comment,
required Post post,
}) =>
MaterialPageRoute(
builder: (context) => WriteComment.edit(comment: comment, post: post),
fullscreenDialog: true,
);
}