Client-side sorting of nodes.

The sorting happens after obtaining the individual nodes, as this is done
in parallel in unpredictable order.

blender_cloud/gui.py

@@ -99,6 +99,12 @@ class MenuItem:
         self._is_folder = (node['node_type'] == 'group_texture' or
                            isinstance(node, SpecialFolderNode))
 
+        # Determine sorting order.
+        # by default, sort all the way at the end and folders first.
+        self._order = 0 if self._is_folder else 10000
+        if node and node.properties and node.properties.order is not None:
+            self._order = node.properties.order
+
         self.thumb_path = thumb_path
 
         # Updated when drawing the image
@@ -107,6 +113,10 @@ class MenuItem:
         self.width = 0
         self.height = 0
 
+    def sort_key(self):
+        """Key for sorting lists of MenuItems."""
+        return self._order, self.label_text
+
     @property
     def thumb_path(self) -> str:
         return self._thumb_path
@@ -463,6 +473,8 @@ class BlenderCloudBrowser(bpy.types.Operator):
             self.current_display_content.append(menu_item)
             self.loaded_images.add(menu_item.icon.filepath_raw)
 
+        self.sort_menu()
+
         return menu_item
 
     def update_menu_item(self, node, *args) -> MenuItem:
@@ -478,6 +490,18 @@ class BlenderCloudBrowser(bpy.types.Operator):
             else:
                 raise ValueError('Unable to find MenuItem(node_uuid=%r)' % node_uuid)
 
+        self.sort_menu()
+
+    def sort_menu(self):
+        """Sorts the self.current_display_content list."""
+
+        if not self.current_display_content:
+            return
+
+        with self._menu_item_lock:
+            self.current_display_content.sort(key=MenuItem.sort_key)
+
+
     async def async_download_previews(self):
         self._state = 'BROWSING'
 

blender_cloud/pillar.py

@@ -272,7 +272,6 @@ async def get_nodes(project_uuid: str = None, parent_node_uuid: str = None,
                        'properties.files': 1,
                        'properties.content_type': 1, 'picture': 1},
         'where': where,
-        'sort': 'properties.order',
         'embed': ['parent']})
 
     return children['_items']