130 lines
3.7 KiB
Dart
130 lines
3.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:lemmy_api_client/v3.dart';
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import '../hooks/delayed_loading.dart';
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import '../hooks/stores.dart';
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import '../l10n/l10n.dart';
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import 'markdown_mode_icon.dart';
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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]
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/// or `null` if cancelled
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class WriteComment extends HookWidget {
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final Post post;
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final Comment comment;
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const WriteComment.toPost(this.post) : comment = null;
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const WriteComment.toComment({@required this.comment, @required this.post})
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: assert(comment != null),
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assert(post != null);
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@override
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Widget build(BuildContext context) {
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final controller = useTextEditingController();
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final showFancy = useState(false);
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final delayed = useDelayedLoading();
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final accStore = useAccountsStore();
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final preview = () {
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final body = () {
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final text = comment?.content ?? post.body;
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if (text == null) return const SizedBox.shrink();
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return MarkdownText(text, instanceHost: post.instanceHost);
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}();
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if (post != null) {
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return Column(
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children: [
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Text(
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post.name,
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style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600),
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),
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const SizedBox(height: 4),
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body,
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],
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);
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}
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return body;
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}();
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handleSubmit() async {
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final api = LemmyApiV3(post.instanceHost);
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final token = accStore.defaultTokenFor(post.instanceHost);
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delayed.start();
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try {
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final res = await api.run(CreateComment(
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content: controller.text,
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postId: post.id,
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parentId: comment?.id,
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auth: token.raw,
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));
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Navigator.of(context).pop(res.commentView);
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// ignore: avoid_catches_without_on_clauses
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} catch (e) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Failed to post comment')));
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}
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delayed.cancel();
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}
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return Scaffold(
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appBar: AppBar(
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leading: const CloseButton(),
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actions: [
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IconButton(
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icon: markdownModeIcon(fancy: showFancy.value),
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onPressed: () => showFancy.value = !showFancy.value,
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),
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],
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),
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body: ListView(
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children: [
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ConstrainedBox(
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constraints: BoxConstraints(
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maxHeight: MediaQuery.of(context).size.height * .35),
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(8),
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child: preview,
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),
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),
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const Divider(),
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IndexedStack(
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index: showFancy.value ? 1 : 0,
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children: [
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TextField(
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controller: controller,
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autofocus: true,
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minLines: 5,
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maxLines: null,
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),
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Padding(
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padding: const EdgeInsets.all(16),
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child: MarkdownText(
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controller.text,
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instanceHost: post.instanceHost,
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),
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)
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],
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),
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Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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TextButton(
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onPressed: delayed.pending ? () {} : handleSubmit,
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child: delayed.loading
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? const CircularProgressIndicator()
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: Text(L10n.of(context).post),
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)
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],
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),
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],
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),
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);
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}
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}
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