Index: pqSpreadSheetViewModel.h
===================================================================
RCS file: /cvsroot/ParaView3/ParaView3/Qt/Core/pqSpreadSheetViewModel.h,v
retrieving revision 1.11
diff -u -r1.11 pqSpreadSheetViewModel.h
--- pqSpreadSheetViewModel.h	2 Dec 2008 16:42:26 -0000	1.11
+++ pqSpreadSheetViewModel.h	3 Dec 2008 16:27:17 -0000
@@ -128,7 +128,11 @@
 
 signals:
   void requestDelayedUpdate() const;
-
+  
+  /// to inform the associated pqSpreadSheetView of the status of
+  /// checkbox "Show Only Selected Elements" in object inspector
+  void selectionOnly(int selOnly);
+  
   /// Fired whenever the server side selection changes.
   void selectionChanged(const QItemSelection& selection);
 

Index: pqSpreadSheetViewModel.cxx
===================================================================
RCS file: /cvsroot/ParaView3/ParaView3/Qt/Core/pqSpreadSheetViewModel.cxx,v
retrieving revision 1.29
diff -u -r1.29 pqSpreadSheetViewModel.cxx
--- pqSpreadSheetViewModel.cxx	2 Dec 2008 17:39:18 -0000	1.29
+++ pqSpreadSheetViewModel.cxx	3 Dec 2008 16:27:05 -0000
@@ -386,6 +386,9 @@
       this->Internal->ActiveBlockNumber = blockNumber;
       this->updateSelectionForBlock(blockNumber);
       }
+    
+    // whether or not to allow further selections
+    emit this->selectionOnly( repr->GetSelectionOnly() );
     }
 }
 

Index: pqSpreadSheetView.h
===================================================================
RCS file: /cvsroot/ParaView3/ParaView3/Qt/Core/pqSpreadSheetView.h,v
retrieving revision 1.12
diff -u -r1.12 pqSpreadSheetView.h
--- pqSpreadSheetView.h	13 Aug 2008 15:12:49 -0000	1.12
+++ pqSpreadSheetView.h	3 Dec 2008 16:27:38 -0000
@@ -97,6 +97,10 @@
 
   /// Called when user double clicks on a column header.
   void onSectionDoubleClicked(int logicalindex);
+  
+  /// Called when checkbox "Show Only Selected Elements" is updated
+  void onSelectionOnly(int selOnly);
+  
 private:
   pqSpreadSheetView(const pqSpreadSheetView&); // Not implemented.
   void operator=(const pqSpreadSheetView&); // Not implemented.


Index: pqSpreadSheetView.cxx
===================================================================
RCS file: /cvsroot/ParaView3/ParaView3/Qt/Core/pqSpreadSheetView.cxx,v
retrieving revision 1.18
diff -u -r1.18 pqSpreadSheetView.cxx
--- pqSpreadSheetView.cxx	14 Jun 2008 16:39:21 -0000	1.18
+++ pqSpreadSheetView.cxx	3 Dec 2008 16:27:29 -0000
@@ -275,6 +275,9 @@
     this->Internal->Table->horizontalHeader(), SIGNAL(sectionDoubleClicked(int)),
     this, SLOT(onSectionDoubleClicked(int)), Qt::QueuedConnection);
   
+  QObject::connect( &(this->Internal->Model), SIGNAL( selectionOnly(int) ),
+    this, SLOT( onSelectionOnly(int) ) );
+  
   foreach(pqRepresentation* rep, this->getRepresentations())
     {
     this->onAddRepresentation(rep);
@@ -438,3 +441,20 @@
     this->Internal->Table->resizeColumnsToContents();
     }
 }
+
+//-----------------------------------------------------------------------------
+void pqSpreadSheetView::onSelectionOnly(int selOnly)
+{
+  if (selOnly)
+    {
+    // The user is disallowed to make further (embedded / recursive) selection
+    // once checkbox "Show Only Selected Elements" is checked.
+    this->Internal->Table->setSelectionMode(QAbstractItemView::NoSelection); 
+    }
+  else
+    {
+    // Once the checkbox is un-checked, the user to allowed to make selections.
+    this->Internal->Table->setSelectionMode(
+      QAbstractItemView::ExtendedSelection);
+    }
+}