From 6efcc23361a1e2c7fafa781801880a4dc1eadcf7 Mon Sep 17 00:00:00 2001
From: Alexandr Evstigneev <Alexandr.Evstigneev@jetbrains.com>
Date: Fri, 17 Mar 2017 16:09:12 +0300
Subject: [PATCH] adjusted shiftIndentInside method to avoid appending
 whitespaces after tailing newline

---
 .../psi/formatter/DocumentBasedFormattingModel.java    | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/psi/formatter/DocumentBasedFormattingModel.java b/platform/lang-impl/src/com/intellij/psi/formatter/DocumentBasedFormattingModel.java
index 2fa65d513eeb..87eb1f063156 100644
--- a/platform/lang-impl/src/com/intellij/psi/formatter/DocumentBasedFormattingModel.java
+++ b/platform/lang-impl/src/com/intellij/psi/formatter/DocumentBasedFormattingModel.java
@@ -16,11 +16,7 @@
 
 package com.intellij.psi.formatter;
 
-import com.intellij.formatting.Block;
-import com.intellij.formatting.FormattingDocumentModel;
-import com.intellij.formatting.FormattingModel;
-import com.intellij.formatting.FormattingModelEx;
-import com.intellij.formatting.FormattingModelWithShiftIndentInsideDocumentRange;
+import com.intellij.formatting.*;
 import com.intellij.lang.ASTNode;
 import com.intellij.openapi.editor.Document;
 import com.intellij.openapi.fileTypes.FileType;
@@ -237,10 +233,10 @@ public class DocumentBasedFormattingModel implements FormattingModelEx {
           afterWhiteSpace.append(c);
       }
     }
-    if (line > 0) {
+    if (line > 0 && afterWhiteSpace.length() > 0 ) {
       createWhiteSpace(whiteSpaceLength + shift, buffer);
+      buffer.append(afterWhiteSpace.toString());
     }
-    buffer.append(afterWhiteSpace.toString());
     myDocument.replaceString(elementRange.getStartOffset(), elementRange.getEndOffset(), buffer.toString());
     return buffer.length();
   }