From 253912e033283f0e6dd30da60bd4929374ee6ee7 Mon Sep 17 00:00:00 2001
From: anna <Anna.Kozlova@jetbrains.com>
Date: Sun, 21 Aug 2011 15:15:22 +0200
Subject: [PATCH] inplace refactorings: no need to move caret to invalid offset
 after cancel the template (e.g. backspace everything to the file beginning)

---
 .../introduce/inplace/AbstractInplaceIntroducer.java       | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/AbstractInplaceIntroducer.java b/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/AbstractInplaceIntroducer.java
index 5821890d256f..f6b94827be0f 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/AbstractInplaceIntroducer.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/AbstractInplaceIntroducer.java
@@ -450,8 +450,11 @@ public abstract class AbstractInplaceIntroducer<V extends PsiNameIdentifierOwner
       myEditor.getScrollingModel().scrollToCaret(ScrollType.MAKE_VISIBLE);
     }
     else if (getExprMarker() != null) {
-      myEditor.getCaretModel().moveToOffset(getExprMarker().getStartOffset());
-      myEditor.getScrollingModel().scrollToCaret(ScrollType.MAKE_VISIBLE);
+      final RangeMarker exprMarker = getExprMarker();
+      if (exprMarker.isValid()) {
+        myEditor.getCaretModel().moveToOffset(exprMarker.getStartOffset());
+        myEditor.getScrollingModel().scrollToCaret(ScrollType.MAKE_VISIBLE);
+      }
     }
     super.moveOffsetAfter(success);
     if (success) {