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

138 lines
3.9 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:lemmy_api_client/lemmy_api_client.dart';
import '../hooks/delayed_loading.dart';
import '../hooks/stores.dart';
import 'markdown_text.dart';
/// Modal for writing 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 PostView post;
final CommentView comment;
final String instanceHost;
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey();
WriteComment.toPost(this.post)
: instanceHost = post.instanceHost,
comment = null;
WriteComment.toComment(this.comment)
: instanceHost = comment.instanceHost,
post = null;
@override
Widget build(BuildContext context) {
final controller = useTextEditingController();
final showFancy = useState(false);
final delayed = useDelayedLoading();
final accStore = useAccountsStore();
final preview = () {
final body = MarkdownText(
comment?.content ?? post.body ?? '',
instanceHost: instanceHost,
);
if (post != null) {
return Column(
children: [
Text(
post.name,
style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600),
),
const SizedBox(height: 4),
body,
],
);
}
return body;
}();
handleSubmit() async {
final api = LemmyApi(instanceHost).v1;
final token = accStore.defaultTokenFor(instanceHost);
delayed.start();
try {
final res = await api.createComment(
content: controller.text,
postId: post?.id ?? comment.postId,
parentId: comment?.id,
auth: token.raw);
Navigator.of(context).pop(res);
// ignore: avoid_catches_without_on_clauses
} catch (e) {
print(e);
scaffoldKey.currentState.showSnackBar(
const SnackBar(content: Text('Failed to post comment')));
}
delayed.cancel();
}
return Scaffold(
key: scaffoldKey,
appBar: AppBar(
leading: IconButton(
icon: const Icon(Icons.close),
onPressed: Navigator.of(context).pop,
),
actions: [
IconButton(
icon: Icon(showFancy.value ? Icons.build : Icons.brush),
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(),
IndexedStack(
index: showFancy.value ? 1 : 0,
children: [
TextField(
controller: controller,
autofocus: true,
minLines: 5,
maxLines: null,
textAlignVertical: TextAlignVertical.top,
decoration: const InputDecoration(border: OutlineInputBorder()),
),
Padding(
padding: const EdgeInsets.all(16),
child: MarkdownText(
controller.text,
instanceHost: instanceHost,
),
)
],
),
Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
FlatButton(
onPressed: delayed.pending ? () {} : handleSubmit,
child: delayed.loading
? const CircularProgressIndicator()
: const Text('post'),
)
],
),
],
),
);
}
}