Take overlays into account in getConnectorForElement. (#11980)

* Take overlays into account in getConnectorForElement.

Fixes #11212

1 files changed, 24 insertions, 7 deletions

diff --git a/client/src/main/java/com/vaadin/client/Util.java b/client/src/main/java/com/vaadin/client/Util.java
index 02c21179bf..02c545f563 100644
--- a/client/src/main/java/com/vaadin/client/Util.java
+++ b/client/src/main/java/com/vaadin/client/Util.java
@@ -579,15 +579,10 @@ public class Util {
             }
 
             if (connector != null) {
-                // check that inside the rootElement
-                while (browseElement != null && browseElement != rootElement) {
-                    browseElement = browseElement.getParentElement();
-                }
-                if (browseElement != rootElement) {
-                    return null;
-                } else {
+                if (isConnectedToParent(browseElement, rootElement)) {
                     return connector;
                 }
+                return null;
             }
 
             browseElement = browseElement.getParentElement();
@@ -606,6 +601,28 @@ public class Util {
         }
     }
 
+    private static boolean isConnectedToParent(Element element,
+            Element rootElement) {
+        Element browseElement = element;
+        // check if inside the rootElement
+        while (browseElement != null && browseElement != rootElement) {
+            browseElement = browseElement.getParentElement();
+        }
+        if (browseElement == rootElement) {
+            return true;
+        }
+        // Not inside the root, possibly inside a VOverlay such as
+        // VWindow instead.
+        @SuppressWarnings("deprecation")
+        VOverlay overlay = WidgetUtil.findWidget(element, VOverlay.class,
+                false);
+        if (overlay != null && overlay.getOwner() != null) {
+            browseElement = overlay.getOwner().getElement();
+            return isConnectedToParent(browseElement, rootElement);
+        }
+        return false;
+    }
+
     /**
      * Will (attempt) to focus the given DOM Element.
      *