113 lines
3.7 KiB
Dart
113 lines
3.7 KiB
Dart
import 'package:flutter/foundation.dart';
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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/lemmy_api_client.dart';
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import '../comment_tree.dart';
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import 'bottom_modal.dart';
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import 'comment.dart';
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/// Manages comments section, sorts them
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class CommentSection extends HookWidget {
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final List<CommentView> rawComments;
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final List<CommentTree> comments;
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final int postCreatorId;
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final CommentSortType sortType;
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static const sortPairs = {
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CommentSortType.hot: [Icons.whatshot, 'Hot'],
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CommentSortType.new_: [Icons.new_releases, 'New'],
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CommentSortType.old: [Icons.calendar_today, 'Old'],
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CommentSortType.top: [Icons.trending_up, 'Top'],
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CommentSortType.chat: [Icons.chat, 'Chat'],
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};
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CommentSection(
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List<CommentView> rawComments, {
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@required this.postCreatorId,
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this.sortType = CommentSortType.hot,
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}) : comments =
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CommentTree.sortList(sortType, CommentTree.fromList(rawComments)),
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rawComments = rawComments
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..sort((b, a) => a.published.compareTo(b.published)),
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assert(postCreatorId != null);
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@override
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Widget build(BuildContext context) {
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var sorting = useState(sortType);
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var rawComms = useState(rawComments);
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var comms = useState(comments);
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void sortComments(CommentSortType sort) {
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if (sort != sorting.value && sort != CommentSortType.chat) {
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CommentTree.sortList(sort, comms.value);
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}
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sorting.value = sort;
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}
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return Column(children: [
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 15),
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child: Row(
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children: [
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OutlineButton(
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onPressed: () {
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showModalBottomSheet(
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backgroundColor: Colors.transparent,
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context: context,
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builder: (context) => BottomModal(
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title: 'sort by',
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child: Column(
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children: [
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for (final e in sortPairs.entries)
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ListTile(
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leading: Icon(e.value[0]),
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title: Text(e.value[1]),
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trailing: sorting.value == e.key
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? Icon(Icons.check)
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: null,
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onTap: () {
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Navigator.of(context).pop();
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sortComments(e.key);
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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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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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),
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child: Row(
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children: [
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Text(sortPairs[sorting.value][1]),
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Icon(Icons.arrow_drop_down),
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],
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),
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),
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Spacer(),
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],
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),
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),
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// sorting menu goes here
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if (comments.isEmpty)
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Padding(
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padding: EdgeInsets.symmetric(vertical: 50),
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child: Text(
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'no comments yet',
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style: TextStyle(fontStyle: FontStyle.italic),
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),
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)
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else if (sorting.value == CommentSortType.chat)
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for (final com in rawComms.value)
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Comment(
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CommentTree(com),
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postCreatorId: postCreatorId,
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)
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else
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for (var com in comms.value) Comment(com, postCreatorId: postCreatorId),
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]);
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}
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}
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