From 8ddc3979ff0ed082638ad8a8d675b9d996195d79 Mon Sep 17 00:00:00 2001
From: Mikhail Sokolov <mikhail.sokolov@jetbrains.com>
Date: Thu, 13 Jun 2019 15:59:06 +0300
Subject: [PATCH] IDEA-215656 SE: cannot find parent window on AddClass
 invocation on UML diagram popup

GitOrigin-RevId: 115dcc7677e75b4f1fec87e7380d64ecfe1d0046
---
 .../src/com/intellij/ide/util/gotoByName/ChooseByNameBase.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/platform/lang-impl/src/com/intellij/ide/util/gotoByName/ChooseByNameBase.java b/platform/lang-impl/src/com/intellij/ide/util/gotoByName/ChooseByNameBase.java
index 8eda654d0328..66593b372084 100644
--- a/platform/lang-impl/src/com/intellij/ide/util/gotoByName/ChooseByNameBase.java
+++ b/platform/lang-impl/src/com/intellij/ide/util/gotoByName/ChooseByNameBase.java
@@ -859,6 +859,9 @@ public abstract class ChooseByNameBase implements ChooseByNameViewModel {
     else if (window instanceof JDialog) {
       layeredPane = ((JDialog)window).getLayeredPane();
     }
+    else if (window instanceof JWindow) {
+      layeredPane = ((JWindow)window).getLayeredPane();
+    }
     else {
       throw new IllegalStateException("cannot find parent window: project=" + myProject +
                                       (myProject != null ? "; open=" + myProject.isOpen() : "") +