From 1a1a99e3db2b33890d4a7840cdc5d002e7f5c8a6 Mon Sep 17 00:00:00 2001
From: "liana.bakradze" <liana.bakradze@jetbrains.com>
Date: Sun, 6 Sep 2015 11:57:08 +0300
Subject: [PATCH] EDU-395 Hint window is empty if there is no available hint
 for current placeholder

---
 .../jetbrains/edu/learning/actions/StudyShowHintAction.java    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/python/educational/interactive-learning/src/com/jetbrains/edu/learning/actions/StudyShowHintAction.java b/python/educational/interactive-learning/src/com/jetbrains/edu/learning/actions/StudyShowHintAction.java
index a742ff0ae447..5d69a3869e02 100644
--- a/python/educational/interactive-learning/src/com/jetbrains/edu/learning/actions/StudyShowHintAction.java
+++ b/python/educational/interactive-learning/src/com/jetbrains/edu/learning/actions/StudyShowHintAction.java
@@ -61,7 +61,8 @@ public class StudyShowHintAction extends DumbAwareAction {
     }
     String hintText = ourWarningMessage;
     if (answerPlaceholder != null) {
-      hintText = answerPlaceholder.getHint();
+      String hint = answerPlaceholder.getHint();
+      hintText = hint.isEmpty() ? HINT_NOT_AVAILABLE : hint;
     }
     int offset = editor.getDocument().getLineStartOffset(pos.line) + pos.column;
     PsiElement element = file.findElementAt(offset);