From 69f124786791eba49520e8eef83bba8137b2c2f1 Mon Sep 17 00:00:00 2001
From: "Denis.Zhdanov" <Denis.Zhdanov@jetbrains.com>
Date: Tue, 5 Jun 2012 18:03:55 +0400
Subject: [PATCH] IDEA-86397 Delete line (Ctrl+Y) moves caret to the 1st column
 position

Correct 'duplicate lines' processing in case of the last line
---
 .../intellij/openapi/editor/actions/DuplicateAction.java    | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/platform/platform-impl/src/com/intellij/openapi/editor/actions/DuplicateAction.java b/platform/platform-impl/src/com/intellij/openapi/editor/actions/DuplicateAction.java
index 551d8efcc8d9..9bd2213b8559 100644
--- a/platform/platform-impl/src/com/intellij/openapi/editor/actions/DuplicateAction.java
+++ b/platform/platform-impl/src/com/intellij/openapi/editor/actions/DuplicateAction.java
@@ -85,8 +85,10 @@ public class DuplicateAction extends EditorAction {
     final int lineToCheck = nextLineStart.line - 1;
 
     int newOffset = end + offset - start;
-    if(lineToCheck == document.getLineCount () /*empty document*/ ||
-       document.getLineSeparatorLength(lineToCheck) == 0) {
+    if(lineToCheck == document.getLineCount () /* empty document */
+       || nextLineStart.line == document.getLineCount() - 1 /* last line*/
+       || document.getLineSeparatorLength(lineToCheck) == 0)
+    {
       s = "\n"+s;
       newOffset++;
     }