From 446e387ced863dd9ac0dfd5d21d2528ac2179cf0 Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Wed, 23 Mar 2016 18:52:49 +0100
Subject: [PATCH] check if editor was already disposed  EA-77418 - TDDE:
 TraceableDisposable.throwDisposalError

---
 .../intellij/codeInsight/hint/ImplementationViewComponent.java   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/hint/ImplementationViewComponent.java b/platform/lang-impl/src/com/intellij/codeInsight/hint/ImplementationViewComponent.java
index 0a8a4aae9a2a..ee459ab948ff 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/hint/ImplementationViewComponent.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/hint/ImplementationViewComponent.java
@@ -271,6 +271,7 @@ public class ImplementationViewComponent extends JPanel {
     update(elements, new PairFunction<PsiElement[], List<FileDescriptor>, Boolean>() {
       @Override
       public Boolean fun(PsiElement[] psiElements, List<FileDescriptor> fileDescriptors) {
+        if (myEditor.isDisposed()) return false;
         if (psiElements.length == 0) return false;
 
         final Project project = psiElements[0].getProject();