diff --git a/platform/lang-impl/src/com/intellij/refactoring/BaseRefactoringProcessor.java b/platform/lang-impl/src/com/intellij/refactoring/BaseRefactoringProcessor.java
index bce7d70f4087..18754bc08e32 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/BaseRefactoringProcessor.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/BaseRefactoringProcessor.java
@@ -387,7 +387,10 @@ public abstract class BaseRefactoringProcessor implements Runnable {
     final UsageViewPresentation presentation = createPresentation(viewDescriptor, usages);
 
     final UsageView usageView = viewManager.showUsages(targets, usages, presentation, factory);
+    customizeUsagesView(viewDescriptor, usageView);
+  }
 
+  protected void customizeUsagesView(@NotNull final UsageViewDescriptor viewDescriptor, @NotNull final UsageView usageView) {
     final Runnable refactoringRunnable = new Runnable() {
       @Override
       public void run() {
diff --git a/platform/usageView/src/com/intellij/usages/UsageView.java b/platform/usageView/src/com/intellij/usages/UsageView.java
index a360e31ec50c..e0a3761c6db0 100644
--- a/platform/usageView/src/com/intellij/usages/UsageView.java
+++ b/platform/usageView/src/com/intellij/usages/UsageView.java
@@ -66,6 +66,8 @@ public interface UsageView extends Disposable {
   void addButtonToLowerPane(@NotNull Runnable runnable, @NotNull String text, char mnemonic);
   void addButtonToLowerPane(@NotNull Runnable runnable, @NotNull String text);
 
+  void setAdditionalComponent(@Nullable JComponent component);
+
   void addPerformOperationAction(@NotNull Runnable processRunnable, String commandName, String cannotMakeString, @NotNull String shortDescription);
 
   /**
diff --git a/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java b/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java
index 9b5cfb4c26a0..50395188d8df 100644
--- a/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java
+++ b/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java
@@ -106,6 +106,7 @@ public class UsageViewImpl implements UsageView, UsageModelTracker.UsageModelTra
   private final Map<Usage, UsageNode> myUsageNodes = new ConcurrentHashMap<Usage, UsageNode>();
   public static final UsageNode NULL_NODE = new UsageNode(NullUsage.INSTANCE, new UsageViewTreeModelBuilder(new UsageViewPresentation(), UsageTarget.EMPTY_ARRAY));
   private final ButtonPanel myButtonPanel = new ButtonPanel();
+  private final JComponent myAdditionalComponent = new JPanel(new BorderLayout());
   private volatile boolean isDisposed;
   private volatile boolean myChangesDetected = false;
   public static final Comparator<Usage> USAGE_COMPARATOR = new Comparator<Usage>() {
@@ -393,7 +394,8 @@ public class UsageViewImpl implements UsageView, UsageModelTracker.UsageModelTra
       myPreviewSplitter.setProportion(1);
     }
 
-    myCentralPanel.add(myButtonPanel, BorderLayout.SOUTH);
+    myCentralPanel.add(myAdditionalComponent, BorderLayout.SOUTH);
+    myAdditionalComponent.add(myButtonPanel, BorderLayout.SOUTH);
 
     myRootPanel.revalidate();
     myRootPanel.repaint();
@@ -1235,6 +1237,16 @@ public class UsageViewImpl implements UsageView, UsageModelTracker.UsageModelTra
     myButtonPanel.addButtonRunnable(index, runnable, text);
   }
 
+  @Override
+  public void setAdditionalComponent(@Nullable JComponent comp) {
+    BorderLayout layout = (BorderLayout)myAdditionalComponent.getLayout();
+    Component prev = layout.getLayoutComponent(myAdditionalComponent, BorderLayout.CENTER);
+    if (prev == comp) return;
+    if (prev != null) myAdditionalComponent.remove(prev);
+    if (comp != null) myAdditionalComponent.add(comp, BorderLayout.CENTER);
+    myAdditionalComponent.revalidate();
+  }
+
   @Override
   public void addButtonToLowerPane(@NotNull final Runnable runnable, @NotNull String text, char mnemonic) {
     // implemented method is deprecated, so, it just calls non-deprecated overloading one