Refactor: Port spreadsheet data set to UI tree view

This patch removes a bunch of specific code for drawing the spreadsheet
data set region, which was an overly specific solution for a generic UI.
Nowadays, the UI tree view API used for asset browser catalogs is a much
better way to implement this behavior.

To make this possible, the tree view API is extended in a few ways.
Collapsibility can now be turned off, and whether an item should
be active is moved to a separate virtual function.

The only visual change is that the items are now drawn in a box,
just like the asset catalog.

Differential Revision: https://developer.blender.org/D13198

1 files changed, 37 insertions, 0 deletions

diff --git a/source/blender/editors/space_spreadsheet/spreadsheet_panels.cc b/source/blender/editors/space_spreadsheet/spreadsheet_panels.cc
new file mode 100644
index 00000000000..8f923ea4a63
--- /dev/null
+++ b/source/blender/editors/space_spreadsheet/spreadsheet_panels.cc
@@ -0,0 +1,37 @@
+/*
+ * 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.
+ */
+
+#include "BKE_screen.h"
+
+#include "BLT_translation.h"
+
+#include "spreadsheet_dataset_draw.hh"
+#include "spreadsheet_intern.hh"
+
+namespace blender::ed::spreadsheet {
+
+void spreadsheet_data_set_region_panels_register(ARegionType &region_type)
+{
+  PanelType *panel_type = (PanelType *)MEM_callocN(sizeof(PanelType), __func__);
+  strcpy(panel_type->idname, "SPREADSHEET_PT_data_set");
+  strcpy(panel_type->label, N_("Data Set"));
+  strcpy(panel_type->translation_context, BLT_I18NCONTEXT_DEFAULT_BPYRNA);
+  panel_type->flag = PANEL_TYPE_NO_HEADER;
+  panel_type->draw = spreadsheet_data_set_panel_draw;
+  BLI_addtail(&region_type.paneltypes, panel_type);
+}
+
+}  // namespace blender::ed::spreadsheet
\ No newline at end of file