From b1cffebab4b529b8cdc115fea8787814f1842fed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Pior?= <piorek82@gmail.com>
Date: Wed, 20 Jun 2018 16:03:15 +0200
Subject: [PATCH] #7535 fix class vanishing on start button

---
 .../src/main/java/com/twosigma/beakerx/widget/SparkUIForm.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sparkex/src/main/java/com/twosigma/beakerx/widget/SparkUIForm.java b/kernel/sparkex/src/main/java/com/twosigma/beakerx/widget/SparkUIForm.java
index 054ae0eb75..3f7ab67c2b 100644
--- a/kernel/sparkex/src/main/java/com/twosigma/beakerx/widget/SparkUIForm.java
+++ b/kernel/sparkex/src/main/java/com/twosigma/beakerx/widget/SparkUIForm.java
@@ -326,7 +326,7 @@ public void setAllToEnabled() {
     this.profileManagement.getChildren().stream().map(x -> (ValueWidget) x).forEach(x -> x.setDisabled(false));
     this.advancedOption.setEnabledToAll();
     this.connectButton.setDisabled(false);
-    this.connectButton.setDomClasses(new ArrayList<>());
+    this.connectButton.setDomClasses(new ArrayList<>(asList("bx-spark-connect")));
     this.masterURL.setDisabled(false);
     this.executorMemory.setDisabled(false);
     this.executorCores.setDisabled(false);