Simplify code

lib/ui/screens/authorized_group_page_screen.dart

@@ -1,15 +1,11 @@
-import 'package:comunic/enums/post_target.dart';
-import 'package:comunic/helpers/posts_helper.dart';
 import 'package:comunic/models/advanced_group_info.dart';
 import 'package:comunic/ui/routes/main_route/main_route.dart';
-import 'package:comunic/ui/screens/group_members_screen.dart';
+import 'package:comunic/ui/screens/group_sections/group_posts_section.dart';
 import 'package:comunic/ui/screens/group_settings_screen.dart';
 import 'package:comunic/ui/widgets/group_following_widget.dart';
 import 'package:comunic/ui/widgets/group_icon_widget.dart';
 import 'package:comunic/ui/widgets/group_membership_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/posts_list_widget.dart';
 import 'package:comunic/ui/widgets/safe_state.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:flutter/material.dart';
@@ -20,8 +16,6 @@ import 'package:flutter/material.dart';
 ///
 /// @author Pierre Hubert
 
-enum _MenuItems { OPEN_MEMBERS, OPEN_SETTINGS }
-
 Color get _headerTextColor => Colors.white;
 
 Color get _headerColor => Colors.blueAccent.shade700;
@@ -50,10 +44,12 @@ class _AuthorizedGroupPageScreenState
 
   TabController _tabController;
 
-  final _postsKey = GlobalKey<PostsListWidgetState>();
-
   List<_GroupPageTab> get _tabs => [
-        _GroupPageTab(widget: _buildGroupPagePostsList(), label: tr("Posts")),
+        // Posts list
+        _GroupPageTab(
+          widget: GroupPostsSection(group: _group),
+          label: tr("Posts"),
+        ),
       ];
 
   @override
@@ -97,10 +93,10 @@ class _AuthorizedGroupPageScreenState
 
   /// Build group page header
   Widget _buildGroupPageHeader() {
-    return DefaultTextStyle(
-      style: TextStyle(color: _headerTextColor),
-      child: Container(
+    return Material(
       color: _headerColor,
+      child: DefaultTextStyle(
+        style: TextStyle(color: _headerTextColor),
         child: Padding(
           padding: const EdgeInsets.all(8.0),
           child: Row(
@@ -140,65 +136,20 @@ class _AuthorizedGroupPageScreenState
                   ),
                 ],
               ),
-              PopupMenuButton<_MenuItems>(
-                itemBuilder: (c) => [
-                  PopupMenuItem(
-                    child: Text(tr("Group members")),
-                    value: _MenuItems.OPEN_MEMBERS,
-                    enabled: _group.isAtLeastModerator,
-                  ),
-                  PopupMenuItem(
-                    child: Text(tr("Group settings")),
-                    value: _MenuItems.OPEN_SETTINGS,
-                    enabled: _group.isAdmin,
-                  ),
-                ],
-                onSelected: _handleMenuSelection,
-              ),
+
+              // Settings button
+              _group.isAdmin
+                  ? IconButton(
+                      icon: Icon(Icons.settings, color: _headerTextColor),
+                      onPressed: () => MainController.of(context)
+                          .push(GroupSettingsScreen(groupID: _group.id)))
+                  : Container(),
             ],
           ),
         ),
       ),
     );
   }
-
-  /// Add create post target
-  Widget _buildPostCreationArea() {
-    if (!_group.canCreatePost) return Container();
-
-    return PostCreateFormWidget(
-        postTarget: PostTarget.GROUP_PAGE,
-        targetID: _group.id,
-        onCreated: () => _postsKey.currentState.loadPostsList(getOlder: false));
-  }
-
-  /// Build the list of posts of the group
-  Widget _buildGroupPagePostsList() {
-    return PostsListWidget(
-      key: _postsKey,
-      topWidgets: <Widget>[
-        _buildPostCreationArea(),
-      ],
-      getPostsList: () => PostsHelper().getGroupPosts(_group.id),
-      showPostsTarget: false,
-      userNamesClickable: true,
-      getOlder: (from) => PostsHelper().getGroupPosts(_group.id, from: from),
-    );
-  }
-
-  /// Handles menu selection
-  void _handleMenuSelection(_MenuItems item) {
-    switch (item) {
-      case _MenuItems.OPEN_MEMBERS:
-        MainController.of(context).push(GroupMembersScreen(groupID: _group.id));
-        break;
-
-      case _MenuItems.OPEN_SETTINGS:
-        MainController.of(context)
-            .push(GroupSettingsScreen(groupID: _group.id));
-        break;
-    }
-  }
 }
 
 class _GroupPageTab {

lib/ui/screens/group_sections/group_posts_section.dart

@@ -0,0 +1,53 @@
+import 'package:comunic/enums/post_target.dart';
+import 'package:comunic/helpers/posts_helper.dart';
+import 'package:comunic/models/advanced_group_info.dart';
+import 'package:comunic/ui/widgets/post_create_form_widget.dart';
+import 'package:comunic/ui/widgets/posts_list_widget.dart';
+/// Group posts section
+///
+/// @author Pierre Hubert
+import 'package:flutter/material.dart';
+
+class GroupPostsSection extends StatefulWidget {
+  final AdvancedGroupInfo group;
+
+  const GroupPostsSection({
+    Key key,
+    @required this.group,
+  })  : assert(group != null),
+        super(key: key);
+
+  @override
+  _GroupPostsSectionState createState() => _GroupPostsSectionState();
+}
+
+class _GroupPostsSectionState extends State<GroupPostsSection> {
+  final _postsKey = GlobalKey<PostsListWidgetState>();
+
+  /// Add create post target
+  Widget _buildPostCreationArea() {
+    if (!widget.group.canCreatePost) return Container();
+
+    return PostCreateFormWidget(
+      postTarget: PostTarget.GROUP_PAGE,
+      targetID: widget.group.id,
+      onCreated: () => _postsKey.currentState.loadPostsList(getOlder: false),
+    );
+  }
+
+  /// Build the list of posts of the group
+  @override
+  Widget build(BuildContext context) {
+    return PostsListWidget(
+      key: _postsKey,
+      topWidgets: <Widget>[
+        _buildPostCreationArea(),
+      ],
+      getPostsList: () => PostsHelper().getGroupPosts(widget.group.id),
+      showPostsTarget: false,
+      userNamesClickable: true,
+      getOlder: (from) =>
+          PostsHelper().getGroupPosts(widget.group.id, from: from),
+    );
+  }
+}