diff --git a/lang-impl/src/com/intellij/codeInsight/editorActions/PasteHandler.java b/lang-impl/src/com/intellij/codeInsight/editorActions/PasteHandler.java
index d31ae0e2fd80..ce66209cfca7 100644
--- a/lang-impl/src/com/intellij/codeInsight/editorActions/PasteHandler.java
+++ b/lang-impl/src/com/intellij/codeInsight/editorActions/PasteHandler.java
@@ -93,7 +93,7 @@ public class PasteHandler extends EditorActionHandler {
       doPaste(editor, project, file, fileType, document);
     }
     catch (ReadOnlyFragmentModificationException e) {
-      EditorActionManager.getInstance().getReadonlyFragmentModificationHandler().handle(e);
+      EditorActionManager.getInstance().getReadonlyFragmentModificationHandler(document).handle(e);
     }
     finally {
       document.stopGuardedBlockChecking();
diff --git a/lang-impl/src/com/intellij/find/FindUtil.java b/lang-impl/src/com/intellij/find/FindUtil.java
index 12612e27727a..5f452be8bf4b 100644
--- a/lang-impl/src/com/intellij/find/FindUtil.java
+++ b/lang-impl/src/com/intellij/find/FindUtil.java
@@ -399,7 +399,7 @@ public class FindUtil {
       toPrompt = doReplace(project, editor, model, document, offset, toPrompt);
     }
     catch (ReadOnlyFragmentModificationException e) {
-      EditorActionManager.getInstance().getReadonlyFragmentModificationHandler().handle(e);
+      EditorActionManager.getInstance().getReadonlyFragmentModificationHandler(document).handle(e);
     }
     finally {
       if (!toPrompt) {
diff --git a/platform-api/src/com/intellij/openapi/editor/EditorModificationUtil.java b/platform-api/src/com/intellij/openapi/editor/EditorModificationUtil.java
index e1e88f98adbc..bb0f12a2273f 100644
--- a/platform-api/src/com/intellij/openapi/editor/EditorModificationUtil.java
+++ b/platform-api/src/com/intellij/openapi/editor/EditorModificationUtil.java
@@ -289,7 +289,7 @@ public class EditorModificationUtil {
       if (guard != null) {
         DocumentEvent evt = new MockDocumentEvent(doc, editor.getCaretModel().getOffset());
         ReadOnlyFragmentModificationException e = new ReadOnlyFragmentModificationException(evt, guard);
-        EditorActionManager.getInstance().getReadonlyFragmentModificationHandler().handle(e);
+        EditorActionManager.getInstance().getReadonlyFragmentModificationHandler(doc).handle(e);
       }
       else {
         final LogicalPosition start = selectionModel.getBlockStart();
diff --git a/platform-api/src/com/intellij/openapi/editor/actionSystem/EditorActionManager.java b/platform-api/src/com/intellij/openapi/editor/actionSystem/EditorActionManager.java
index f886332de0dd..1e51e45ef047 100644
--- a/platform-api/src/com/intellij/openapi/editor/actionSystem/EditorActionManager.java
+++ b/platform-api/src/com/intellij/openapi/editor/actionSystem/EditorActionManager.java
@@ -16,6 +16,7 @@
 package com.intellij.openapi.editor.actionSystem;
 
 import com.intellij.openapi.components.ServiceManager;
+import com.intellij.openapi.editor.Document;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 
@@ -63,7 +64,7 @@ public abstract class EditorActionManager {
   public abstract TypedAction getTypedAction();
 
   /**
-   * Gets the handler which is invoked on attempt to modify a read-only fragment in the editor.
+   * Gets the default handler which is invoked on attempt to modify a read-only fragment in the editor.
    *
    * @return the handler instance.
    * @see com.intellij.openapi.editor.Document#createGuardedBlock(int, int)
@@ -78,5 +79,24 @@ public abstract class EditorActionManager {
    * @see com.intellij.openapi.editor.Document#createGuardedBlock(int, int)
    */
   public abstract ReadonlyFragmentModificationHandler setReadonlyFragmentModificationHandler(@NotNull ReadonlyFragmentModificationHandler handler);
+
+  /**
+   * Gets the handler which is invoked on attempt to modify a read-only fragment for the document.
+   *
+   * @param document target document
+   * @return the handler instance.
+   * @see com.intellij.openapi.editor.Document#createGuardedBlock(int, int)
+   */
+  public abstract ReadonlyFragmentModificationHandler getReadonlyFragmentModificationHandler(@NotNull Document document);
+
+  /**
+   * Sets the handler which is invoked on attempt to modify a read-only fragment for the document.
+   *
+   * @param document target document
+   * @param handler  new handler
+   * @see com.intellij.openapi.editor.Document#createGuardedBlock(int, int)
+   */
+  public abstract void setReadonlyFragmentModificationHandler(@NotNull Document document, ReadonlyFragmentModificationHandler handler);
+
 }
 
diff --git a/platform-api/src/com/intellij/openapi/editor/actionSystem/EditorWriteActionHandler.java b/platform-api/src/com/intellij/openapi/editor/actionSystem/EditorWriteActionHandler.java
index c57ffb121d7f..3064395a82d0 100644
--- a/platform-api/src/com/intellij/openapi/editor/actionSystem/EditorWriteActionHandler.java
+++ b/platform-api/src/com/intellij/openapi/editor/actionSystem/EditorWriteActionHandler.java
@@ -34,24 +34,24 @@ public abstract class EditorWriteActionHandler extends EditorActionHandler {
 
     ApplicationManager.getApplication().runWriteAction(new DocumentRunnable(editor.getDocument(),editor.getProject()) {
       public void run() {
+        final Document doc = editor.getDocument();
         final SelectionModel selectionModel = editor.getSelectionModel();
         if (selectionModel.hasBlockSelection()) {
           RangeMarker guard = selectionModel.getBlockSelectionGuard();
           if (guard != null) {
             DocumentEvent evt = new MockDocumentEvent(editor.getDocument(), editor.getCaretModel().getOffset());
             ReadOnlyFragmentModificationException e = new ReadOnlyFragmentModificationException(evt, guard);
-            EditorActionManager.getInstance().getReadonlyFragmentModificationHandler().handle(e);
+            EditorActionManager.getInstance().getReadonlyFragmentModificationHandler(doc).handle(e);
             return;
           }
         }
 
-        Document doc = editor.getDocument();
         doc.startGuardedBlockChecking();
         try {
           executeWriteAction(editor, dataContext);
         }
         catch (ReadOnlyFragmentModificationException e) {
-          EditorActionManager.getInstance().getReadonlyFragmentModificationHandler().handle(e);
+          EditorActionManager.getInstance().getReadonlyFragmentModificationHandler(doc).handle(e);
         }
         finally {
           doc.stopGuardedBlockChecking();
diff --git a/platform-api/src/com/intellij/openapi/editor/actionSystem/TypedAction.java b/platform-api/src/com/intellij/openapi/editor/actionSystem/TypedAction.java
index 999e76b97295..1e4f405c96d4 100644
--- a/platform-api/src/com/intellij/openapi/editor/actionSystem/TypedAction.java
+++ b/platform-api/src/com/intellij/openapi/editor/actionSystem/TypedAction.java
@@ -64,7 +64,7 @@ public class TypedAction {
         EditorModificationUtil.typeInStringAtCaretHonorBlockSelection(editor, str, true);
       }
       catch (ReadOnlyFragmentModificationException e) {
-        EditorActionManager.getInstance().getReadonlyFragmentModificationHandler().handle(e);
+        EditorActionManager.getInstance().getReadonlyFragmentModificationHandler(doc).handle(e);
       }
       finally {
         doc.stopGuardedBlockChecking();
@@ -109,7 +109,7 @@ public class TypedAction {
               getHandler().execute(editor, charTyped, dataContext);
             }
             catch (ReadOnlyFragmentModificationException e) {
-              EditorActionManager.getInstance().getReadonlyFragmentModificationHandler().handle(e);
+              EditorActionManager.getInstance().getReadonlyFragmentModificationHandler(doc).handle(e);
             }
             finally {
               doc.stopGuardedBlockChecking();
diff --git a/platform-impl/src/com/intellij/openapi/editor/actions/TabAction.java b/platform-impl/src/com/intellij/openapi/editor/actions/TabAction.java
index 8a91ec4905f9..d0d3a3fe3314 100644
--- a/platform-impl/src/com/intellij/openapi/editor/actions/TabAction.java
+++ b/platform-impl/src/com/intellij/openapi/editor/actions/TabAction.java
@@ -81,7 +81,7 @@ public class TabAction extends EditorAction {
       }
     }
     catch (ReadOnlyFragmentModificationException e) {
-      EditorActionManager.getInstance().getReadonlyFragmentModificationHandler().handle(e);
+      EditorActionManager.getInstance().getReadonlyFragmentModificationHandler(doc).handle(e);
     }
     finally {
       doc.stopGuardedBlockChecking();
diff --git a/platform-impl/src/com/intellij/openapi/editor/impl/DocumentImpl.java b/platform-impl/src/com/intellij/openapi/editor/impl/DocumentImpl.java
index c12e8cab7be0..5978cf5b84dd 100644
--- a/platform-impl/src/com/intellij/openapi/editor/impl/DocumentImpl.java
+++ b/platform-impl/src/com/intellij/openapi/editor/impl/DocumentImpl.java
@@ -7,6 +7,7 @@ import com.intellij.openapi.application.ex.ApplicationManagerEx;
 import com.intellij.openapi.command.CommandProcessor;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.editor.*;
+import com.intellij.openapi.editor.actionSystem.ReadonlyFragmentModificationHandler;
 import com.intellij.openapi.editor.event.DocumentEvent;
 import com.intellij.openapi.editor.event.DocumentListener;
 import com.intellij.openapi.editor.ex.*;
@@ -36,6 +37,7 @@ public class DocumentImpl extends UserDataHolderBase implements DocumentEx {
   private final List<DocumentListener> myDocumentListeners = new ArrayList<DocumentListener>();
   private final WeakHashMap<RangeMarkerEx,String> myRangeMarkers = new WeakHashMap<RangeMarkerEx, String>();
   private final List<RangeMarker> myGuardedBlocks = new ArrayList<RangeMarker>();
+  private ReadonlyFragmentModificationHandler myReadonlyFragmentModificationHandler;
 
   private final LineSet myLineSet = new LineSet();
   private final CharArray myText = new CharArray(0) {
@@ -185,6 +187,14 @@ public class DocumentImpl extends UserDataHolderBase implements DocumentEx {
     }
   }
 
+  public ReadonlyFragmentModificationHandler getReadonlyFragmentModificationHandler() {
+    return myReadonlyFragmentModificationHandler;
+  }
+
+  public void setReadonlyFragmentModificationHandler(final ReadonlyFragmentModificationHandler readonlyFragmentModificationHandler) {
+    myReadonlyFragmentModificationHandler = readonlyFragmentModificationHandler;
+  }
+
   public boolean isWritable() {
     return !myIsReadOnly;
   }
diff --git a/platform-impl/src/com/intellij/openapi/editor/impl/EditorActionManagerImpl.java b/platform-impl/src/com/intellij/openapi/editor/impl/EditorActionManagerImpl.java
index 6befb0116b12..485bc6e9ec05 100644
--- a/platform-impl/src/com/intellij/openapi/editor/impl/EditorActionManagerImpl.java
+++ b/platform-impl/src/com/intellij/openapi/editor/impl/EditorActionManagerImpl.java
@@ -3,8 +3,10 @@ package com.intellij.openapi.editor.impl;
 import com.intellij.openapi.actionSystem.ActionManager;
 import com.intellij.openapi.editor.EditorBundle;
 import com.intellij.openapi.editor.ReadOnlyFragmentModificationException;
+import com.intellij.openapi.editor.Document;
 import com.intellij.openapi.editor.actionSystem.*;
 import com.intellij.openapi.ui.Messages;
+import com.intellij.injected.editor.DocumentWindow;
 import org.jetbrains.annotations.NotNull;
 
 public class EditorActionManagerImpl extends EditorActionManager {
@@ -34,6 +36,22 @@ public class EditorActionManagerImpl extends EditorActionManager {
     return myReadonlyFragmentsHandler;
   }
 
+  @Override
+  public ReadonlyFragmentModificationHandler getReadonlyFragmentModificationHandler(@NotNull final Document document) {
+    final Document doc = document instanceof DocumentWindow ? ((DocumentWindow)document).getDelegate() : document;
+    final ReadonlyFragmentModificationHandler docHandler =
+      doc instanceof DocumentImpl ? ((DocumentImpl)doc).getReadonlyFragmentModificationHandler() : null;
+    return docHandler == null ? myReadonlyFragmentsHandler : docHandler;
+  }
+
+  @Override
+  public void setReadonlyFragmentModificationHandler(@NotNull final Document document, final ReadonlyFragmentModificationHandler handler) {
+    final Document doc = document instanceof DocumentWindow ? ((DocumentWindow)document).getDelegate() : document;
+    if (doc instanceof DocumentImpl) {
+      ((DocumentImpl)document).setReadonlyFragmentModificationHandler(handler);
+    }
+  }
+
   public ReadonlyFragmentModificationHandler setReadonlyFragmentModificationHandler(@NotNull ReadonlyFragmentModificationHandler handler) {
     ReadonlyFragmentModificationHandler oldHandler = myReadonlyFragmentsHandler;
     myReadonlyFragmentsHandler = handler;
diff --git a/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java b/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
index 443466d7f43c..12a0ed194f2d 100644
--- a/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
+++ b/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
@@ -4022,7 +4022,7 @@ public final class EditorImpl extends UserDataHolderBase implements EditorEx, Hi
                   doc.deleteString(myDraggedRange.getStartOffset(), myDraggedRange.getEndOffset());
                 }
                 catch (ReadOnlyFragmentModificationException e) {
-                  EditorActionManager.getInstance().getReadonlyFragmentModificationHandler().handle(e);
+                  EditorActionManager.getInstance().getReadonlyFragmentModificationHandler(doc).handle(e);
                 }
                 finally {
                   doc.stopGuardedBlockChecking();