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

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import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:lemmy_api_client/lemmy_api_client.dart';
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import '../hooks/delayed_loading.dart';
import '../hooks/stores.dart';
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import '../util/extensions/api.dart';
import 'markdown_text.dart';
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/// Modal for writing a comment to a given post/comment (aka reply)
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/// 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 instanceUrl;
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final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey();
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WriteComment.toPost(this.post)
: instanceUrl = post.instanceUrl,
comment = null;
WriteComment.toComment(this.comment)
: instanceUrl = comment.instanceUrl,
post = null;
@override
Widget build(BuildContext context) {
final controller = useTextEditingController();
final showFancy = useState(false);
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final delayed = useDelayedLoading();
final accStore = useAccountsStore();
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final preview = () {
final body = MarkdownText(
comment?.content ?? post.body ?? '',
instanceUrl: instanceUrl,
);
if (post != null) {
return Column(
children: [
Text(
post.name,
style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600),
),
SizedBox(height: 4),
body,
],
);
}
return body;
}();
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handleSubmit() async {
final api = LemmyApi(instanceUrl).v1;
final token = accStore.defaultTokenFor(instanceUrl);
delayed.start();
try {
final res = await api.createComment(
content: controller.text,
postId: post?.id ?? comment.postId,
parentId: comment?.id,
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auth: token.raw);
Navigator.of(context).pop(res);
// ignore: avoid_catches_without_on_clauses
} catch (e) {
print(e);
scaffoldKey.currentState
.showSnackBar(SnackBar(content: Text('Failed to post comment')));
}
delayed.cancel();
}
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return Scaffold(
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key: scaffoldKey,
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appBar: AppBar(
leading: IconButton(
icon: Icon(Icons.close),
onPressed: Navigator.of(context).pop,
),
actions: [
IconButton(
icon: Icon(showFancy.value ? Icons.build : Icons.brush),
onPressed: () => showFancy.value = !showFancy.value,
),
],
),
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body: ListView(
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children: [
ConstrainedBox(
constraints: BoxConstraints(
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maxHeight: MediaQuery.of(context).size.height * .35),
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child: SingleChildScrollView(
padding: const EdgeInsets.all(8),
child: preview,
),
),
Divider(),
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IndexedStack(
index: showFancy.value ? 1 : 0,
children: [
TextField(
controller: controller,
autofocus: true,
minLines: 5,
maxLines: null,
textAlignVertical: TextAlignVertical.top,
decoration: InputDecoration(border: OutlineInputBorder()),
),
Padding(
padding: const EdgeInsets.all(16),
child: MarkdownText(
controller.text,
instanceUrl: instanceUrl,
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),
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)
],
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),
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Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
FlatButton(
onPressed: delayed.pending ? () {} : handleSubmit,
child: delayed.loading
? CircularProgressIndicator()
: Text('post'),
)
],
),
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],
),
);
}
}