From b71c70d9bbd744728d4b9697b9e1f968cef5bc70 Mon Sep 17 00:00:00 2001
From: "Maxim.Mossienko" <Maxim.Mossienko@jetbrains.com>
Date: Sat, 31 Jul 2010 15:46:21 +0400
Subject: [PATCH] Limit text we are showing when suggesting text of long and
 multiline expressions (IDEA-56847)

---
 .../com/intellij/refactoring/IntroduceTargetChooser.java    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/refactoring/IntroduceTargetChooser.java b/platform/lang-impl/src/com/intellij/refactoring/IntroduceTargetChooser.java
index 523fa462784a..9a7f50b2cb63 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/IntroduceTargetChooser.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/IntroduceTargetChooser.java
@@ -64,7 +64,11 @@ public class IntroduceTargetChooser {
 
         final T expr = (T)value;
         if (expr.isValid()) {
-          setText(renderer.fun(expr));
+          String text = renderer.fun(expr);
+          int firstNewLinePos = text.indexOf('\n');
+          String trimmedText = text.substring(0, firstNewLinePos != -1 ? firstNewLinePos : Math.min(100, text.length()));
+          if (trimmedText.length() != text.length()) trimmedText += " ...";
+          setText(trimmedText);
         }
         return rendererComponent;
       }