From 6b71ae9f4d2535297ce916836d4fbed025c5be8b Mon Sep 17 00:00:00 2001
From: Lukasz Mitusinski <lukasz.mitusinski@xsolve.pl>
Date: Wed, 20 Jun 2018 11:04:30 +0200
Subject: [PATCH] #7548 - make delete button on sparkUI unavailable if default
 profile is selected

---
 .../com/twosigma/beakerx/widget/SparkUIForm.java | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

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 c22bdbc513..e4a5220464 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
@@ -55,6 +55,7 @@ public class SparkUIForm extends VBox {
   private SparkEngine sparkEngine;
   private SparkUI.OnSparkButtonAction onStartAction;
   private Button connectButton;
+  private Button removeButton;
   private Spinner spinner;
   private HBox spinnerPanel;
   private SparkUiDefaults sparkUiDefaults;
@@ -128,11 +129,13 @@ private HBox createProfileManagement() {
     newButton.setDomClasses(asList("bx-button", "icon-add"));
     newButton.setTooltip(NEW_PROFILE_TOOLTIP);
 
-    Button removeButton = new Button();
+    removeButton = new Button();
     removeButton.registerOnClick((content, message) -> removeProfile());
     removeButton.setDomClasses(asList("bx-button", "icon-close"));
     removeButton.setTooltip(REMOVE_PROFILE_TOOLTIP);
 
+    refreshElementsAvailability();
+
     return new HBox(Arrays.asList(profileDropdown, saveButton,  newButton, removeButton));
   }
 
@@ -142,9 +145,7 @@ private void loadProfile() {
       return;
     }
     sparkUiDefaults.loadProfiles();
-    Map<String, Object> profileData =
-            (Map<String, Object>) sparkUiDefaults
-                    .getProfileByName(profileName);
+    Map<String, Object> profileData = sparkUiDefaults.getProfileByName(profileName);
     if (profileData.size() > 0) {
       this.masterURL.setValue(profileData.getOrDefault(SparkUI.SPARK_MASTER, SparkUI.SPARK_MASTER_DEFAULT));
       this.executorCores.setValue(profileData.getOrDefault(SparkUI.SPARK_EXECUTOR_CORES, SparkUI.SPARK_EXECUTOR_CORES_DEFAULT));
@@ -157,6 +158,7 @@ private void loadProfile() {
               });
       this.advancedOption.setConfiguration(advancedSettings);
     }
+    refreshElementsAvailability();
   }
 
   private void saveProfile() {
@@ -181,6 +183,7 @@ private void createProfileOK(HashMap hashMap, Message message) {
     profile.setValue(newProfileName.getValue());
     saveProfile();
     newProfileName.setValue("");
+    refreshElementsAvailability();
   }
 
   private void createProfileCancel(HashMap hashMap, Message message) {
@@ -321,6 +324,11 @@ public void setAllToDisabled() {
   public void setAllToEnabled() {
     this.profileManagement.getChildren().stream().map(x -> (ValueWidget) x).forEach(x -> x.setDisabled(false));
     this.advancedOption.setEnabledToAll();
+    refreshElementsAvailability();
+  }
+
+  public void refreshElementsAvailability(){
+    removeButton.setDisabled(this.profile.getValue().equals(DEFAULT_PROFILE));
   }
 
 }