Course element are now added where they should

src/gui-resource.c

@@ -75,11 +75,11 @@ static void
 open_folder_cb (gpointer ptr, struct FolderContent content)
 {
   GuiResource *self = ptr;
-  GtkContainer *list = GTK_CONTAINER (self->parent);
-  gtk_container_remove (list, GTK_WIDGET (self));
+  guint start_index = gtk_list_box_row_get_index (GTK_LIST_BOX_ROW (self));
+  gtk_container_remove (GTK_CONTAINER (self->parent), GTK_WIDGET (self));
   for (guint i=0; i<content.resource_count; i++) {
     GuiResource *resource = gui_resource_new (content.resources[i], self->parent);
-    gtk_container_add (list, GTK_WIDGET (resource));
+    gtk_list_box_insert (self->parent, GTK_WIDGET (resource), start_index+i);
   }
 }
 

src/gui-week.c

@@ -58,7 +58,7 @@ update_files (GuiWeek* self)
 {
   for (guint i=0; i<self->resource_count; i++) {
     GuiResource* file = gui_resource_new (self->resources[i], self->week_content);
-    gtk_list_box_insert (self->week_content, GTK_WIDGET (file), i+1);
+    gtk_container_add (GTK_CONTAINER (self->week_content), GTK_WIDGET (file));
   }
 }