#4509 - In the Text-editing mode, when inserting a fragment after pre…

…ssing Ctrl+V twice, the cursor is moved to another row (#4664)
epam · May 29, 2024 · a00bf26 · a00bf26
1 parent 1e7c398
commit a00bf26
Showing 1 changed file with 15 additions and 1 deletion.
diff --git a/packages/ketcher-core/src/application/editor/modes/SequenceMode.ts b/packages/ketcher-core/src/application/editor/modes/SequenceMode.ts
@@ -835,14 +835,28 @@ export class SequenceMode extends BaseMode {
     const chainsCollection = ChainsCollection.fromMonomers([
       ...drawingEntitiesManager.monomers.values(),
     ]);
+
+    const currentSequence = SequenceRenderer.currentChain;
+
+    const currentSequenceHasPhosphate =
+      currentSequence?.lastNonEmptyNode?.monomer?.monomerItem?.props?.Name ===
+      'Phosphate';
+
+    let nextCaretPosition =
+      SequenceRenderer.caretPosition + chainsCollection.length;
+
+    if (currentSequenceHasPhosphate) {
+      nextCaretPosition -= 1;
+    }
+
     const modelChanges = this.insertNewSequenceFragment(chainsCollection);
 
     modelChanges.addOperation(new ReinitializeModeOperation());
 
     modelChanges.addOperation(
       new RestoreSequenceCaretPositionOperation(
         SequenceRenderer.caretPosition,
-        SequenceRenderer.caretPosition + chainsCollection.length,
+        nextCaretPosition,
       ),
     );