1 files changed, 56 insertions, 0 deletions
diff --git a/source/blender/editors/space_outliner/tree/tree_display_data.cc b/source/blender/editors/space_outliner/tree/tree_display_data.cc
new file mode 100644
index 00000000000..8a5c2e7d9f3
--- /dev/null
+++ b/source/blender/editors/space_outliner/tree/tree_display_data.cc
@@ -0,0 +1,56 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+/** \file
+ * \ingroup spoutliner
+ */
+
+#include "BLI_listbase.h"
+#include "BLI_mempool.h"
+
+#include "RNA_access.h"
+
+#include "../outliner_intern.h"
+#include "tree_display.hh"
+
+namespace blender::ed::outliner {
+
+TreeDisplayDataAPI::TreeDisplayDataAPI(SpaceOutliner &space_outliner)
+    : AbstractTreeDisplay(space_outliner)
+{
+}
+
+ListBase TreeDisplayDataAPI::buildTree(const TreeSourceData &source_data)
+{
+  ListBase tree = {nullptr};
+
+  PointerRNA mainptr;
+  RNA_main_pointer_create(source_data.bmain, &mainptr);
+
+  TreeElement *te = outliner_add_element(
+      &space_outliner_, &tree, (void *)&mainptr, nullptr, TSE_RNA_STRUCT, -1);
+
+  /* On first view open parent data elements */
+  const int show_opened = !space_outliner_.treestore ||
+                          !BLI_mempool_len(space_outliner_.treestore);
+  if (show_opened) {
+    TreeStoreElem *tselem = TREESTORE(te);
+    tselem->flag &= ~TSE_CLOSED;
+  }
+  return tree;
+}
+
+}  // namespace blender::ed::outliner