From 4dae4037363a226cc778f8ea56502a4f263fab91 Mon Sep 17 00:00:00 2001
From: Dmitry Kurmanov <kurmanov.work@gmail.com>
Date: Mon, 11 Mar 2024 14:59:38 +0400
Subject: [PATCH] work for the
 https://github.com/surveyjs/survey-library/issues/7935 (#7941)

---
 src/dragdrop/ranking-select-to-rank.ts | 15 +++++----------
 tests/dragdrophelpertests.ts           |  6 ++++++
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/src/dragdrop/ranking-select-to-rank.ts b/src/dragdrop/ranking-select-to-rank.ts
index 28ea46a155..0c2cf41b19 100644
--- a/src/dragdrop/ranking-select-to-rank.ts
+++ b/src/dragdrop/ranking-select-to-rank.ts
@@ -10,16 +10,11 @@ export class DragDropRankingSelectToRank extends DragDropRankingChoices {
       return dragOverNode;
     }
 
-    if (
-      this.parentElement.rankingChoices.length === 0 ||
-      this.parentElement.unRankingChoices.length === 0
-    ) {
-      let toContainer: HTMLElement = dragOverNode.closest("[data-ranking='to-container']");
-      let fromContainer: HTMLElement = dragOverNode.closest("[data-ranking='from-container']");
-
-      if (!!toContainer) return toContainer;
-      if (!!fromContainer) return fromContainer;
-    }
+    let toContainer: HTMLElement = dragOverNode.closest("[data-ranking='to-container']");
+    let fromContainer: HTMLElement = dragOverNode.closest("[data-ranking='from-container']");
+
+    if (this.parentElement.unRankingChoices.length === 0 && fromContainer) return fromContainer;
+    if (this.parentElement.rankingChoices.length === 0 && toContainer) return toContainer;
 
     return super.findDropTargetNodeByDragOverNode(dragOverNode);
   }
diff --git a/tests/dragdrophelpertests.ts b/tests/dragdrophelpertests.ts
index 73215744d2..88686d2909 100644
--- a/tests/dragdrophelpertests.ts
+++ b/tests/dragdrophelpertests.ts
@@ -313,6 +313,12 @@ QUnit.test("DragDropRankingSelectToRank getIndixies", function (assert) {
   assert.equal(toIndex, 2);
   toIndex = dndModel.getIndixies(questionModel, questionModel.rankingChoices, questionModel.rankingChoices).toIndex;
   assert.equal(toIndex, 1);
+
+  questionModel.value = ["11", "22", "33"];
+  dndModel.draggedElement = questionModel.rankingChoices[0];
+  dndModel.dropTarget = questionModel.rankingChoices[1];
+  toIndex = dndModel.getIndixies(questionModel, questionModel.rankingChoices, questionModel.rankingChoices).toIndex;
+  assert.equal(toIndex, 1);
 });
 // EO selectToRankEnabled