From 402895685a9ad5bff1b8afc6ad6894230a5af006 Mon Sep 17 00:00:00 2001
From: Roman Rodionov <roman_rodionov@epam.com>
Date: Mon, 3 Jun 2024 19:56:31 +0200
Subject: [PATCH] #4734 - Preview: Monomers from macro mode are not erased by
 Erase tool in micro mode

- unblocked monomers deletion in micro mode
---
 .../ketcher-core/src/application/editor/actions/erase.ts     | 2 +-
 .../src/application/editor/operations/sgroup/index.ts        | 1 +
 packages/ketcher-react/src/script/editor/tool/eraser.ts      | 5 -----
 3 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/packages/ketcher-core/src/application/editor/actions/erase.ts b/packages/ketcher-core/src/application/editor/actions/erase.ts
index 47e30a3780..0dfaa53fba 100644
--- a/packages/ketcher-core/src/application/editor/actions/erase.ts
+++ b/packages/ketcher-core/src/application/editor/actions/erase.ts
@@ -144,7 +144,7 @@ export function fromFragmentDeletion(restruct, rawSelection) {
 
   selection.atoms.forEach((atomId) => {
     const sgroup = struct.getGroupFromAtomId(atomId);
-    if (sgroup) {
+    if (sgroup && sgroup.isSuperatomWithoutLabel) {
       const attachmentPoints = sgroup.getAttachmentPoints();
       attachmentPoints.forEach((attachmentPoint) => {
         if (
diff --git a/packages/ketcher-core/src/application/editor/operations/sgroup/index.ts b/packages/ketcher-core/src/application/editor/operations/sgroup/index.ts
index 51fd9f4ecb..28f994d7b6 100644
--- a/packages/ketcher-core/src/application/editor/operations/sgroup/index.ts
+++ b/packages/ketcher-core/src/application/editor/operations/sgroup/index.ts
@@ -115,6 +115,7 @@ class SGroupDelete extends BaseOperation {
     if (!sgroup) return;
     this.data.type = sgroup?.item?.type;
     this.data.pp = sgroup?.item?.pp;
+    this.data.oldSgroup = sgroup.item;
 
     if (sgroup?.item?.type === 'DAT' && sgroupData) {
       restruct.clearVisel(sgroupData.visel);
diff --git a/packages/ketcher-react/src/script/editor/tool/eraser.ts b/packages/ketcher-react/src/script/editor/tool/eraser.ts
index 244fba2e2c..f53d6797c1 100644
--- a/packages/ketcher-react/src/script/editor/tool/eraser.ts
+++ b/packages/ketcher-react/src/script/editor/tool/eraser.ts
@@ -25,7 +25,6 @@ import {
   fromSimpleObjectDeletion,
   fromTextDeletion,
   FunctionalGroup,
-  MonomerMicromolecule,
   SGroup,
 } from 'ketcher-core';
 
@@ -345,10 +344,6 @@ class EraserTool implements Tool {
     ) {
       const sGroup = sgroups.get(ci.id);
 
-      if (sGroup?.item instanceof MonomerMicromolecule) {
-        return;
-      }
-
       this.editor.update(
         fromFragmentDeletion(rnd.ctab, {
           atoms: [...SGroup.getAtoms(molecule, sGroup?.item)],