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Can load older posts on group page

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This commit is contained in:
Pierre HUBERT
2020-04-16 09:07:23 +02:00
parent 8881ef3af4
commit c7502e6a04
2 changed files with 18 additions and 4 deletions
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14
lib/ui/screens/authorized_group_page_screen.dart
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@@ -7,6 +7,7 @@ import 'package:comunic/ui/widgets/group_membership_widget.dart';
import 'package:comunic/ui/widgets/like_widget.dart'; import 'package:comunic/ui/widgets/like_widget.dart';
import 'package:comunic/ui/widgets/post_create_form_widget.dart'; import 'package:comunic/ui/widgets/post_create_form_widget.dart';
import 'package:comunic/ui/widgets/posts_list_widget.dart'; import 'package:comunic/ui/widgets/posts_list_widget.dart';
import 'package:comunic/ui/widgets/scroll_watcher.dart';
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
/// Authorized group page screen /// Authorized group page screen
@@ -35,11 +36,23 @@ class AuthorizedGroupPageScreen extends StatefulWidget {
class _AuthorizedGroupPageScreenState extends State<AuthorizedGroupPageScreen> { class _AuthorizedGroupPageScreenState extends State<AuthorizedGroupPageScreen> {
AdvancedGroupInfo get _group => widget.advancedGroupInfo; AdvancedGroupInfo get _group => widget.advancedGroupInfo;
// Allows load older posts when we reach the bottom of the page
final _postsKey = GlobalKey<PostsListWidgetState>();
ScrollWatcher _postsController;
@override
void initState() {
_postsController = ScrollWatcher(
onReachBottom: () => _postsKey.currentState.reachedPostsBottom());
super.initState();
}
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return RefreshIndicator( return RefreshIndicator(
onRefresh: () => widget.needRefresh(), onRefresh: () => widget.needRefresh(),
child: ListView( child: ListView(
controller: _postsController,
children: <Widget>[ children: <Widget>[
_buildGroupPageHeader(), _buildGroupPageHeader(),
_buildPostCreationArea(), _buildPostCreationArea(),
@@ -105,6 +118,7 @@ class _AuthorizedGroupPageScreenState extends State<AuthorizedGroupPageScreen> {
/// Build the list of posts of the group /// Build the list of posts of the group
Widget _buildGroupPagePostsList() { Widget _buildGroupPagePostsList() {
return PostsListWidget( return PostsListWidget(
key: _postsKey,
getPostsList: () => PostsHelper().getGroupPosts(_group.id), getPostsList: () => PostsHelper().getGroupPosts(_group.id),
showPostsTarget: false, showPostsTarget: false,
userNamesClickable: true, userNamesClickable: true,

8
lib/ui/widgets/posts_list_widget.dart
View File

@@ -38,10 +38,10 @@ class PostsListWidget extends StatefulWidget {
super(key: key); super(key: key);
@override @override
State<StatefulWidget> createState() => _PostsListWidgetState(); State<StatefulWidget> createState() => PostsListWidgetState();
} }
class _PostsListWidgetState extends State<PostsListWidget> { class PostsListWidgetState extends State<PostsListWidget> {
// Helpers // Helpers
final UsersHelper _usersHelper = UsersHelper(); final UsersHelper _usersHelper = UsersHelper();
final GroupsHelper _groupsHelper = GroupsHelper(); final GroupsHelper _groupsHelper = GroupsHelper();
@@ -60,7 +60,7 @@ class _PostsListWidgetState extends State<PostsListWidget> {
void initState() { void initState() {
super.initState(); super.initState();
_scrollController = ScrollWatcher(onReachBottom: _reachedPostsBottom); _scrollController = ScrollWatcher(onReachBottom: reachedPostsBottom);
} }
@override @override
@@ -165,7 +165,7 @@ class _PostsListWidgetState extends State<PostsListWidget> {
void _removePost(Post post) => setState(() => _list.remove(post)); void _removePost(Post post) => setState(() => _list.remove(post));
void _reachedPostsBottom() { void reachedPostsBottom() {
if (widget.getOlder != null) _loadPostsList(getOlder: true); if (widget.getOlder != null) _loadPostsList(getOlder: true);
} }
} }