Asset Catalogs: expose undo/redo operators to UI

Ensure that catalog operations create an undo snapshot, and show
undo/redo operators in the asset browser.

A hidden operator `ASSET_OT_catalog_undo_push` is also added such that
add-ons can also set undo snapshots if they need.

1 files changed, 2 insertions, 0 deletions

diff --git a/source/blender/editors/asset/intern/asset_catalog.cc b/source/blender/editors/asset/intern/asset_catalog.cc
index eb1865ee9cc..056fda63bd7 100644
--- a/source/blender/editors/asset/intern/asset_catalog.cc
+++ b/source/blender/editors/asset/intern/asset_catalog.cc
@@ -66,6 +66,7 @@ AssetCatalog *ED_asset_catalog_add(::AssetLibrary *library,
   std::string unique_name = catalog_name_ensure_unique(*catalog_service, name, parent_path);
   AssetCatalogPath fullpath = AssetCatalogPath(parent_path) / unique_name;
 
+  catalog_service->undo_push();
   return catalog_service->create_catalog(fullpath);
 }
 
@@ -77,5 +78,6 @@ void ED_asset_catalog_remove(::AssetLibrary *library, const CatalogID &catalog_i
     return;
   }
 
+  catalog_service->undo_push();
   catalog_service->prune_catalogs_by_id(catalog_id);
 }