diff --git a/src/adaptors/UBSvgSubsetAdaptor.cpp b/src/adaptors/UBSvgSubsetAdaptor.cpp
index 782f8aac..80917eab 100644
--- a/src/adaptors/UBSvgSubsetAdaptor.cpp
+++ b/src/adaptors/UBSvgSubsetAdaptor.cpp
@@ -1052,13 +1052,12 @@ bool UBSvgSubsetAdaptor::UBSvgSubsetWriter::persistScene()
 
             UBGraphicsRuler *ruler = qgraphicsitem_cast<UBGraphicsRuler*> (item);
 
-            if (ruler  && ruler->isVisible())
+            if (ruler && ruler->isVisible())
             {
                 rulerToSvg(ruler);
                 continue;
             }
 
-            qDebug() << item;
             UBGraphicsCache* cache = qgraphicsitem_cast<UBGraphicsCache*>(item);
             if(cache && cache->isVisible())
             {
@@ -1068,7 +1067,7 @@ bool UBSvgSubsetAdaptor::UBSvgSubsetWriter::persistScene()
 
             UBGraphicsCompass *compass = qgraphicsitem_cast<UBGraphicsCompass*> (item);
 
-            if (compass  && compass->isVisible())
+            if (compass && compass->isVisible())
             {
                 compassToSvg(compass);
                 continue;
@@ -1076,7 +1075,7 @@ bool UBSvgSubsetAdaptor::UBSvgSubsetWriter::persistScene()
 
             UBGraphicsProtractor *protractor = qgraphicsitem_cast<UBGraphicsProtractor*> (item);
 
-            if (protractor  && protractor->isVisible())
+            if (protractor && protractor->isVisible())
             {
                 protractorToSvg(protractor);
                 continue;
@@ -1084,7 +1083,7 @@ bool UBSvgSubsetAdaptor::UBSvgSubsetWriter::persistScene()
 
             UBGraphicsTriangle *triangle = qgraphicsitem_cast<UBGraphicsTriangle*> (item);
 
-            if (triangle  && triangle->isVisible())
+            if (triangle && triangle->isVisible())
             {
                 triangleToSvg(triangle);
                 continue;
diff --git a/src/core/UB.h b/src/core/UB.h
index 07ae8ecc..3f60df17 100644
--- a/src/core/UB.h
+++ b/src/core/UB.h
@@ -99,6 +99,7 @@ struct UBGraphicsItemType
 		StrokeItemType,
 		TriangleItemType,
         MagnifierItemType,
+        cacheItemType
     };
 };
 
diff --git a/src/gui/UBLibNavigatorWidget.cpp b/src/gui/UBLibNavigatorWidget.cpp
index 149edd60..308cff59 100644
--- a/src/gui/UBLibNavigatorWidget.cpp
+++ b/src/gui/UBLibNavigatorWidget.cpp
@@ -73,6 +73,8 @@ UBLibNavigatorWidget::UBLibNavigatorWidget(QWidget *parent, const char *name):QW
     connect(libWidget->actionBar(), SIGNAL(searchElement(QString)), mLibWidget, SLOT(onSearchElement(QString)));
     connect(libWidget->actionBar(), SIGNAL(newFolderToCreate()), mLibWidget, SLOT(onNewFolderToCreate()));
 
+
+    /*** to update the search bar **/
     connect(mLibWidget, SIGNAL(itemClicked()),libWidget->actionBar(), SLOT(onItemChanged()));
     connect(mPathViewer, SIGNAL(mouseClick(UBChainedLibElement*)),libWidget->actionBar(), SLOT(onItemChanged()));
 
diff --git a/src/tools/UBGraphicsCache.h b/src/tools/UBGraphicsCache.h
index 1f41dbf8..0bc8a678 100644
--- a/src/tools/UBGraphicsCache.h
+++ b/src/tools/UBGraphicsCache.h
@@ -19,6 +19,7 @@
 #include <QGraphicsSceneMouseEvent>
 
 #include "domain/UBItem.h"
+#include "core/UB.h"
 
 #define CACHE_ZVALUE    100000
 
@@ -33,6 +34,11 @@ class UBGraphicsCache : public QGraphicsRectItem, public UBItem
 public:
     UBGraphicsCache();
     ~UBGraphicsCache();
+
+    enum { Type = UBGraphicsItemType::cacheItemType };
+
+    virtual int type() const{ return Type;}
+
     virtual UBItem* deepCopy() const;
 
     QColor maskColor();