From 006b5cd1ab45f53321ff664f46b1335ec018c807 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Thu, 15 Dec 2011 14:35:40 +0100
Subject: [PATCH] IDEA-78863 Live templates are not accessible in read-only
 file (e.g. versioned in Perforce or TFS)

---
 .../codeInsight/template/impl/ListTemplatesHandler.java      | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/template/impl/ListTemplatesHandler.java b/platform/lang-impl/src/com/intellij/codeInsight/template/impl/ListTemplatesHandler.java
index 6831a726575d..7ce8a60063e8 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/template/impl/ListTemplatesHandler.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/template/impl/ListTemplatesHandler.java
@@ -29,6 +29,7 @@ import com.intellij.openapi.command.WriteCommandAction;
 import com.intellij.openapi.editor.Document;
 import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.editor.ex.util.EditorUtil;
+import com.intellij.openapi.fileEditor.FileDocumentManager;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiDocumentManager;
 import com.intellij.psi.PsiFile;
@@ -40,7 +41,9 @@ import java.util.Map;
 
 public class ListTemplatesHandler implements CodeInsightActionHandler {
   public void invoke(@NotNull final Project project, @NotNull final Editor editor, @NotNull PsiFile file) {
-    if (!file.isWritable()) return;
+    if (!FileDocumentManager.getInstance().requestWriting(editor.getDocument(), project)) {
+      return;
+    }
     EditorUtil.fillVirtualSpaceUntilCaret(editor);
 
     PsiDocumentManager.getInstance(project).commitDocument(editor.getDocument());