diff --git a/openide.text/src/org/openide/text/CloneableEditorSupport.java b/openide.text/src/org/openide/text/CloneableEditorSupport.java
--- a/openide.text/src/org/openide/text/CloneableEditorSupport.java
+++ b/openide.text/src/org/openide/text/CloneableEditorSupport.java
@@ -94,6 +94,7 @@
 import javax.swing.undo.UndoableEdit;
 import org.netbeans.api.editor.mimelookup.MimeLookup;
 import org.netbeans.api.editor.mimelookup.MimePath;
+import org.openide.text.CloneableEditorSupportRedirector.RequestType;
 import org.openide.util.Exceptions;
 import org.openide.util.Mutex;
 import org.openide.util.Parameters;
@@ -375,7 +376,7 @@
      * @return the manager
      */
     protected final synchronized UndoRedo.Manager getUndoRedo() {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.GET_UNDO_REDO);
         if (redirect != null) {
             return redirect.getUndoRedo();
         }
@@ -490,7 +491,7 @@
      * @see #prepareDocument */
     @Override
     public void open() {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.OPEN);
         if (redirect != null) {
             redirect.open();
             return;
@@ -604,7 +605,7 @@
     * @return task for control over loading
     */
     public Task prepareDocument() {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.PREPARE_DOCUMENT);
         if (redirect != null) {
             return redirect.prepareDocument();
         }
@@ -860,7 +861,7 @@
     * @exception IOException if the document could not be loaded
     */
     public StyledDocument openDocument() throws IOException {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.OPEN_DOCUMENT);
         if (redirect != null) {
             return redirect.openDocument();
         }
@@ -960,7 +961,7 @@
      * @return document or <code>null</code> if it is not yet loaded
      */
     public StyledDocument getDocument() {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.GET_DOCUMENT);
         if (redirect != null) {
             return redirect.getDocument();
         }
@@ -1011,7 +1012,7 @@
     *   otherwise <code>false</code>
     */
     public boolean isModified() {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.IS_MODIFIED);
         if (redirect != null) {
             return redirect.isModified();
         }
@@ -1023,7 +1024,7 @@
     * @exception IOException on I/O error
     */
     public void saveDocument() throws IOException {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.SAVE_DOCUMENT);
         final boolean log = ERR.isLoggable(Level.FINE);
         if (log) {
             ERR.fine(documentID() + ": saveDocument() started."); // NOI18N
@@ -1228,7 +1229,7 @@
         // expected in AWT only
         assert SwingUtilities.isEventDispatchThread()
                 : "CloneableEditorSupport.getOpenedPanes() must be called from AWT thread only"; // NOI18N
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.GET_OPENED_PANES);
         if (redirect != null) {
             return redirect.getOpenedPanes();
         }
@@ -1281,7 +1282,7 @@
         // expected in AWT only
         assert SwingUtilities.isEventDispatchThread()
                 : "CloneableEditorSupport.getRecentPane must be called from AWT thread only"; // NOI18N
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.GET_RECENT_PANE);
         if (redirect != null) {
             return redirect.getRecentPane();
         }
@@ -1345,7 +1346,7 @@
     * @return positions of all paragraphs on last save
     */
     public Line.Set getLineSet() {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.GET_LINE_SET);
         if (redirect != null) {
             return redirect.getLineSet();
         }
@@ -1374,7 +1375,7 @@
 
     /** A printing implementation suitable for {@link org.openide.cookies.PrintCookie}. */
     public void print() {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.PRINT);
         if (redirect != null) {
             redirect.print();
             return;
@@ -1603,7 +1604,7 @@
     * @return <code>true</code> if document is loaded
     */
     public boolean isDocumentLoaded() {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.IS_DOCUMENT_LOADED);
         if (redirect != null) {
             return redirect.isDocumentLoaded();
         }
@@ -1614,7 +1615,7 @@
     * @return <code>true</code> if document is ready
     */
     boolean isDocumentReady() {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.IS_DOCUMENT_READY);
         if (redirect != null) {
             return redirect.isDocumentReady();
         }
@@ -1626,7 +1627,7 @@
     * @param s the new MIME type
     */
     public void setMIMEType(String s) {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, true);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.SET_MIME_TYPE, true);
         if (redirect != null) {
             redirect.setMIMEType(s);
             return;
@@ -1728,7 +1729,7 @@
      * @since 4.7
      */
     public InputStream getInputStream() throws IOException {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.GET_INPUT_STREAM);
         if (redirect != null) {
             return redirect.getInputStream();
         }
@@ -2232,7 +2233,7 @@
     */
     @Override
     protected boolean close(boolean ask) {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.CLOSE);
         if (redirect != null) {
             return redirect.close(ask);
         }
@@ -2602,7 +2603,7 @@
     * @return always non-<code>null</code> editor
     */
     private final Pane openAtImpl(final PositionRef pos, final int column, boolean reuse) {
-        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
+        CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this, RequestType.OPEN_AT);
         if (redirect != null) {
             return redirect.openAtImpl(pos, column, reuse);
         }
diff --git a/openide.text/src/org/openide/text/CloneableEditorSupportRedirector.java b/openide.text/src/org/openide/text/CloneableEditorSupportRedirector.java
--- a/openide.text/src/org/openide/text/CloneableEditorSupportRedirector.java
+++ b/openide.text/src/org/openide/text/CloneableEditorSupportRedirector.java
@@ -31,6 +31,7 @@
  */
 package org.openide.text;
 
+import java.util.EnumSet;
 import java.util.IdentityHashMap;
 import java.util.Map;
 import org.openide.util.Lookup;
@@ -48,6 +49,15 @@
  */
 public abstract class CloneableEditorSupportRedirector {
     private static final ThreadLocal<Map<Lookup,CloneableEditorSupport>> CHECKED = new ThreadLocal<Map<Lookup,CloneableEditorSupport>>();
+    private final EnumSet<RequestType> eventTypes;
+
+    public CloneableEditorSupportRedirector() {
+        this(EnumSet.<RequestType>allOf(RequestType.class));
+    }
+
+    protected CloneableEditorSupportRedirector(EnumSet<RequestType> forEvents) {
+        this.eventTypes = forEvents.clone();
+    }
     
     /** Find a delegate for given {@link CloneableEditorSupport}'s {@link Lookup}.
      * The common code can be to extract for example a 
@@ -60,10 +70,11 @@
      */
     protected abstract CloneableEditorSupport redirect(Lookup env);
     
-    static CloneableEditorSupport findRedirect(CloneableEditorSupport one) {
-        return findRedirect(one, false);
+    static CloneableEditorSupport findRedirect(CloneableEditorSupport one, RequestType rtype) {
+        return findRedirect(one, rtype, false);
     }
-    static CloneableEditorSupport findRedirect(CloneableEditorSupport one, boolean check) {
+
+    static CloneableEditorSupport findRedirect(CloneableEditorSupport one, RequestType rtype, boolean check) {
         Map<Lookup,CloneableEditorSupport> all = CHECKED.get();
         if (all == null) {
             all = new IdentityHashMap<Lookup, CloneableEditorSupport>();
@@ -76,9 +87,11 @@
             }
             all.put(lkp, one);
             for (CloneableEditorSupportRedirector r : Lookup.getDefault().lookupAll(CloneableEditorSupportRedirector.class)) {
-                CloneableEditorSupport ces = r.redirect(lkp);
-                if (ces != null && ces != one) {
-                    return ces;
+                if (r.eventTypes.contains(rtype)) {
+                    CloneableEditorSupport ces = r.redirect(lkp);
+                    if (ces != null && ces != one) {
+                        return ces;
+                    }
                 }
             }
             return null;
@@ -86,6 +99,25 @@
             all.remove(lkp);
         }
     }
+
+    public enum RequestType {
+
+        CLOSE,
+        GET_DOCUMENT,
+        GET_INPUT_STREAM,
+        GET_LINE_SET,
+        GET_OPENED_PANES,
+        GET_RECENT_PANE,
+        GET_UNDO_REDO,
+        IS_DOCUMENT_LOADED,
+        IS_DOCUMENT_READY,
+        IS_MODIFIED,
+        OPEN,
+        OPEN_AT,
+        OPEN_DOCUMENT,
+        PREPARE_DOCUMENT,
+        PRINT,
+        SAVE_DOCUMENT,
+        SET_MIME_TYPE,
+    }
 }
-
-