fixed some string types to be enumerations for dropAction. fixed bug in golden layout dragging where a stack's tabs could disappear.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/client/goldenLayout.js b/src/client/goldenLayout.js
index 2b94d35ee..cb1dfd76a 100644
--- a/src/client/goldenLayout.js
+++ b/src/client/goldenLayout.js
@@ -4727,7 +4727,7 @@
                  */
             } else {
                 type = isVertical ? 'column' : 'row';
-                if (this.parent.contentItems.length === 1) {
+                if (this.parent.contentItems.length === 1 && this.contentItems.length === 1) {
                     let grandparent = this.parent.parent;
                     let correctRowOrCol = this.layoutManager.createContentItem({ type: type }, this);
                     grandparent.replaceChild(this.parent, correctRowOrCol);