some updates to add to space toggles

lib/pages/settings/settings_view.dart

@@ -194,6 +194,12 @@ class SettingsView extends StatelessWidget {
                 Icons.chevron_right_outlined,
               ),
             ),
+            ListTile(
+              leading: const Icon(Icons.psychology_outlined),
+              title: Text(L10n.of(context)!.learningSettings),
+              onTap: () => context.go('/rooms/settings/learning'),
+              trailing: const Icon(Icons.chevron_right_outlined),
+            ),
             // Pangea#
             ListTile(
               leading: const Icon(Icons.shield_outlined),

lib/pangea/extensions/pangea_room_extension/children_and_parents_extension.dart

@@ -123,11 +123,19 @@ extension ChildrenAndParentsRoomExtension on Room {
 
   // Checks if has permissions to add child chat
   // Or whether potential child space is ancestor of this
-  bool _canAddAsParentOf(Room? child) {
-    if (child == null || !child.isSpace) {
-      return _canIAddSpaceChild(child);
-    }
-    if (id == child.id) return false;
-    return !child._allSpaceChildRoomIds.contains(id);
+  bool _canAddAsParentOf(Room? child, {bool spaceMode = false}) {
+    // don't add a room to itself
+    if (id == child?.id) return false;
+    spaceMode = child?.isSpace ?? spaceMode;
+
+    // get the bool for adding chats to spaces
+    final bool canAddChild = _canIAddSpaceChild(child, spaceMode: spaceMode);
+    if (!spaceMode) return canAddChild;
+
+    // if adding space to a space, check if the child is an ancestor
+    // to prevent cycles
+    final bool isCycle =
+        child != null ? child._allSpaceChildRoomIds.contains(id) : false;
+    return canAddChild && !isCycle;
   }
 }

lib/pangea/extensions/pangea_room_extension/pangea_room_extension.dart

@@ -109,7 +109,9 @@ extension PangeaRoom on Room {
 
   List<String> get allSpaceChildRoomIds => _allSpaceChildRoomIds;
 
-  bool canAddAsParentOf(Room? child) => _canAddAsParentOf(child);
+  bool canAddAsParentOf(Room? child, {bool spaceMode = false}) {
+    return _canAddAsParentOf(child, spaceMode: spaceMode);
+  }
 
 // class_and_exchange_settings
 
@@ -262,8 +264,9 @@ extension PangeaRoom on Room {
 
   bool get canDelete => _canDelete;
 
-  bool canIAddSpaceChild(Room? room, {bool spaceMode = false}) =>
-      _canIAddSpaceChild(room, spaceMode: spaceMode);
+  bool canIAddSpaceChild(Room? room, {bool spaceMode = false}) {
+    return _canIAddSpaceChild(room, spaceMode: spaceMode);
+  }
 
   bool get canIAddSpaceParents => _canIAddSpaceParents;
 

lib/pangea/widgets/class/add_space_toggles.dart

@@ -41,6 +41,19 @@ class AddToSpaceState extends State<AddToSpaceToggles> {
 
   @override
   void initState() {
+    initialize();
+    super.initState();
+  }
+
+  @override
+  void didUpdateWidget(AddToSpaceToggles oldWidget) {
+    if (oldWidget.roomId != widget.roomId) {
+      initialize();
+    }
+    super.didUpdateWidget(oldWidget);
+  }
+
+  void initialize() {
     //if roomId is null, it means this widget is being used in the creation flow
     room = widget.roomId != null
         ? Matrix.of(context).client.getRoomById(widget.roomId!)
@@ -92,7 +105,6 @@ class AddToSpaceState extends State<AddToSpaceToggles> {
     });
 
     isOpen = widget.startOpen;
-    super.initState();
   }
 
   Future<void> _addSingleSpace(String roomToAddId, Room newParent) async {
@@ -140,13 +152,10 @@ class AddToSpaceState extends State<AddToSpaceToggles> {
 
   Widget getAddToSpaceToggleItem(int index) {
     final Room possibleParent = possibleParents[index];
-    final bool canAdd = (room?.isSpace ?? false)
-        // Room is space
-        ? possibleParent.isRoomAdmin &&
-            room!.isRoomAdmin &&
-            possibleParent.canAddAsParentOf(room)
-        // Room is null or chat
-        : possibleParent.canAddAsParentOf(room);
+    final bool canAdd = possibleParent.canAddAsParentOf(
+      room,
+      spaceMode: widget.spaceMode,
+    );
 
     return Opacity(
       opacity: canAdd ? 1 : 0.5,