diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_constants.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_constants.h
index af0e2aa5b..07567246f 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_constants.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_constants.h
@@ -43,6 +43,8 @@ const char * const M_TOOLS		= "ObjectViewerQt.Menu.Tools";
 const char * const M_WINDOW		= "ObjectViewerQt.Menu.Window";
 const char * const M_HELP		= "ObjectViewerQt.Menu.Help";
 
+const char * const M_SHEET		= "ObjectViewerQt.Menu.Sheet";
+
 //actions
 const char * const NEW			= "ObjectViewerQt.New";
 const char * const OPEN			= "ObjectViewerQt.Open";
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp
index ccc30614a..6d051d64d 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp
@@ -58,12 +58,11 @@ bool CorePlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QStr
 	_plugMan = pluginManager;
 
 	_mainWindow = new MainWindow(pluginManager);
-	/*	if (QtWin::isCompositionEnabled())
-		{
-			QtWin::extendFrameIntoClientArea(_mainWindow);
-			_mainWindow->setContentsMargins(0, 0, 0, 0);
-		}
-	*/
+	/*if (QtWin::isCompositionEnabled())
+	{
+		QtWin::extendFrameIntoClientArea(_mainWindow);
+		_mainWindow->setContentsMargins(0, 0, 0, 0);
+	}*/
 	bool success = _mainWindow->initialize(errorString);
 	CSearchPathsSettingsPage *serchPathPage = new CSearchPathsSettingsPage(this);
 	serchPathPage->applySearchPaths();
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp
index 694c2c30f..90b5ad745 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp
@@ -231,8 +231,10 @@ void MainWindow::createMenus()
 	m_toolsMenu = menuBar()->addMenu(tr("&Tools"));
 	menuManager()->registerMenu(m_toolsMenu, Constants::M_TOOLS);
 
+	m_sheetMenu = m_toolsMenu->addMenu(tr("&Sheet"));
+	menuManager()->registerMenu(m_sheetMenu, Constants::M_SHEET);
 
-	m_toolsMenu->addSeparator();
+//	m_toolsMenu->addSeparator();
 
 	m_toolsMenu->addAction(m_settingsAction);
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h
index 76eca3a42..21d091ef3 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h
@@ -97,6 +97,8 @@ private:
 	QMenu *m_toolsMenu;
 	QMenu *m_helpMenu;
 
+	QMenu *m_sheetMenu;
+
 	QAction *m_openAction;
 	QAction *m_exitAction;
 	QAction *m_settingsAction;
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/CMakeLists.txt b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/CMakeLists.txt
index aa16f4303..37f95fba9 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/CMakeLists.txt
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/CMakeLists.txt
@@ -21,7 +21,7 @@ SOURCE_GROUP("OVQT Extension System" FILES ${OVQT_EXT_SYS_SRC})
 
 ADD_LIBRARY(ovqt_plugin_sheet_builder MODULE ${SRC} ${OVQT_PLUG_SHEET_BUILDER_MOC_SRC} ${OVQT_EXT_SYS_SRC})
 
-TARGET_LINK_LIBRARIES(ovqt_plugin_sheet_builder nelmisc ${QT_LIBRARIES})
+TARGET_LINK_LIBRARIES(ovqt_plugin_sheet_builder ovqt_plugin_core nelmisc ${QT_LIBRARIES})
 
 NL_DEFAULT_PROPS(ovqt_plugin_sheet_builder "NeL, Tools, 3D: Object Viewer Qt Plugin: Sheet builder")
 NL_ADD_RUNTIME_FLAGS(ovqt_plugin_sheet_builder)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/ovqt_sheet_builder.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/ovqt_sheet_builder.cpp
index f9c660d94..18e77fbcc 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/ovqt_sheet_builder.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/ovqt_sheet_builder.cpp
@@ -14,8 +14,18 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+// Project includes
 #include "ovqt_sheet_builder.h"
+#include "sheetbuilderdialog.h"
+#include "sheetbuilderconfgdialog.h"
+#include "../core/icore.h"
+#include "../core/imenu_manager.h"
+#include "../core/core_constants.h"
 
+// NeL includes
+#include <nel/misc/debug.h>
+
+// Qt includes
 #include <QtCore/QObject>
 #include <QtGui/QMessageBox>
 #include <QtGui/QMainWindow>
@@ -23,47 +33,29 @@
 #include <QtGui/QAction>
 #include <QtGui/QMenuBar>
 
-#include "../../extension_system/iplugin_spec.h"
-
-#include "nel/misc/debug.h"
-#include "sheetbuilderdialog.h"
-#include "sheetbuilderconfgdialog.h"
-
 using namespace Plugin;
 
 bool SheetBuilderPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString)
 {
 	Q_UNUSED(errorString);
 	_plugMan = pluginManager;
-	QMainWindow *wnd = qobject_cast<QMainWindow *>(objectByName("CMainWindow"));
-	if (!wnd)
-	{
-		*errorString = tr("Not found MainWindow Object Viewer Qt.");
-		return false;
-	}
-	QMenu *toolsMenu = qobject_cast<QMenu *>(objectByName("ovqt.Menu.Tools"));
-	if (!toolsMenu)
-	{
-		*errorString = tr("Not found QMenu Tools.");
-		return false;
-	}
+
 	return true;
 }
 
 void SheetBuilderPlugin::extensionsInitialized()
 {
-	QMenu *toolsMenu = qobject_cast<QMenu *>(objectByName("ovqt.Menu.Tools"));
-	nlassert(toolsMenu);
+	Core::IMenuManager *menuManager = Core::ICore::instance()->menuManager();
 
-	toolsMenu->addSeparator();
-
-	QAction *actBuilder = toolsMenu->addAction("Sheet builder");
-	connect(actBuilder, SIGNAL(triggered()), this, SLOT(execBuilderDialog()));
+	QMenu *sheetMenu = menuManager->menu(Core::Constants::M_SHEET);
+	QAction *sheetBuilderAction = sheetMenu->addAction(tr("Sheet builder"));
+	menuManager->registerAction(sheetBuilderAction, "SheetBuilder");
+	connect(sheetBuilderAction, SIGNAL(triggered()), this, SLOT(execBuilderDialog()));
 }
 
 void SheetBuilderPlugin::execBuilderDialog()
 {
-	QMainWindow *wnd = qobject_cast<QMainWindow *>(objectByName("CMainWindow"));
+	QMainWindow *wnd = Core::ICore::instance()->mainWindow();
 	nlassert(wnd);
 
 	SheetBuilderDialog dlg(wnd);
@@ -100,25 +92,11 @@ QString SheetBuilderPlugin::description() const
 	return "make_sheet_id equivalent";
 }
 
-QList<QString> SheetBuilderPlugin::dependencies() const
+QStringList SheetBuilderPlugin::dependencies() const
 {
-	return QList<QString>();
-}
-
-QObject* SheetBuilderPlugin::objectByName(const QString &name) const
-{
-	Q_FOREACH (QObject *qobj, _plugMan->allObjects())
-	if (qobj->objectName() == name)
-		return qobj;
-	return 0;
-}
-
-ExtensionSystem::IPluginSpec *SheetBuilderPlugin::pluginByName(const QString &name) const
-{
-	Q_FOREACH (ExtensionSystem::IPluginSpec *spec, _plugMan->plugins())
-	if (spec->name() == name)
-		return spec;
-	return 0;
+	QStringList list;
+	list.append(Core::Constants::OVQT_CORE_PLUGIN);
+	return list;
 }
 
 Q_EXPORT_PLUGIN(SheetBuilderPlugin)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/ovqt_sheet_builder.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/ovqt_sheet_builder.h
index e444afd45..f1299dfba 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/ovqt_sheet_builder.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/ovqt_sheet_builder.h
@@ -25,48 +25,45 @@
 
 namespace NLMISC
 {
-    class CLibraryContext;
+class CLibraryContext;
 }
 
 namespace ExtensionSystem
 {
-    class IPluginSpec;
+class IPluginSpec;
 }
 
 namespace Plugin
 {
 
-    class SheetBuilderPlugin : public QObject, public ExtensionSystem::IPlugin
-    {
-        Q_OBJECT
-        Q_INTERFACES(ExtensionSystem::IPlugin)
-    public:
-        bool initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString);
-        void extensionsInitialized();
+class SheetBuilderPlugin : public QObject, public ExtensionSystem::IPlugin
+{
+	Q_OBJECT
+	Q_INTERFACES(ExtensionSystem::IPlugin)
+public:
+	bool initialize(ExtensionSystem::IPluginManager *pluginManager, QString *errorString);
+	void extensionsInitialized();
 
-        void setNelContext(NLMISC::INelContext *nelContext);
+	void setNelContext(NLMISC::INelContext *nelContext);
 
-		QString name() const;
-		QString version() const;
-		QString vendor() const;
-		QString description() const;
-		QList<QString> dependencies() const;
+	QString name() const;
+	QString version() const;
+	QString vendor() const;
+	QString description() const;
+	QStringList dependencies() const;
 
-		QObject *objectByName(const QString &name) const;
-		ExtensionSystem::IPluginSpec *pluginByName(const QString &name) const;
+	void buildSheet(bool clean);
 
-		void buildSheet(bool clean);
+private Q_SLOTS:
+	void execBuilderDialog();
 
-    private Q_SLOTS:
-        void execBuilderDialog();
+protected:
+	NLMISC::CLibraryContext *_LibContext;
 
-    protected:
-        NLMISC::CLibraryContext *_LibContext;
+private:
+	ExtensionSystem::IPluginManager *_plugMan;
 
-    private:
-		ExtensionSystem::IPluginManager *_plugMan;
-
-    };
+};
 
 } // namespace Plugin
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilder.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilder.h
index 4d23007fe..aac097c9b 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilder.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilder.h
@@ -26,10 +26,8 @@
 // std
 #include <string>
 #include <stdlib.h>
-
 #include <stdio.h>
 
-
 using namespace NLMISC;
 using namespace std;
 
@@ -42,18 +40,24 @@ using namespace std;
  */
 union TFormId
 {
-    uint32		Id;
+	uint32		Id;
 
-    struct
-    {
-        uint32	Type	: 8;
-        uint32	Id		: 24;
-    } FormIDInfos;
+	struct
+	{
+		uint32	Type	: 8;
+		uint32	Id		: 24;
+	} FormIDInfos;
 
-    void serial(NLMISC::IStream &f) { f.serial(Id); }
+	void serial(NLMISC::IStream &f)
+	{
+		f.serial(Id);
+	}
 };
 
-bool operator<(const TFormId& fid1, const TFormId& fid2) { return fid1.Id<fid2.Id; }
+bool operator<(const TFormId& fid1, const TFormId& fid2)
+{
+	return fid1.Id<fid2.Id;
+}
 
 
 map<string,TFormId> FormToId;
@@ -86,15 +90,15 @@ bool getFileType( string& fileName, string& fileType );
 //-----------------------------------------------
 sint16 getFirstFreeFileTypeId()
 {
-    for( sint16 id=0; id<256; ++id )
-    {
-        if( IdToFileType.find((uint8)id) == IdToFileType.end() )
-        {
-            return id;
-        }
-    }
+	for( sint16 id=0; id<256; ++id )
+	{
+		if( IdToFileType.find((uint8)id) == IdToFileType.end() )
+		{
+			return id;
+		}
+	}
 
-    return -1;
+	return -1;
 
 } // getFirstFreeFileTypeId //
 
@@ -105,238 +109,232 @@ sint16 getFirstFreeFileTypeId()
 //-----------------------------------------------
 void readFormId( string& outputFileName )
 {
-    CIFile f;
-    if( f.open( outputFileName ) )
-    {
-        f.serialCont( IdToForm );
-    }
+	CIFile f;
+	if( f.open( outputFileName ) )
+	{
+		f.serialCont( IdToForm );
+	}
 
-    // insert an unknown entry
-    TFormId formId;
-    formId.Id = 0;
-    IdToForm.insert( make_pair( formId, string("unknown.unknown") ) );
+	// insert an unknown entry
+	TFormId formId;
+	formId.Id = 0;
+	IdToForm.insert( make_pair( formId, string("unknown.unknown") ) );
 
-    // remove integer file extensions (created by CVS) and init FileTypeToId (associates the form type to the form type id)
-    map<TFormId,string>::iterator itIF;
-    for( itIF = IdToForm.begin(); itIF != IdToForm.end();  )
-    {
-        // get the file type from form name
-        TFormId fid = (*itIF).first;
-        string fileType;
+	// remove integer file extensions (created by CVS) and init FileTypeToId (associates the form type to the form type id)
+	map<TFormId,string>::iterator itIF;
+	for( itIF = IdToForm.begin(); itIF != IdToForm.end();  )
+	{
+		// get the file type from form name
+		TFormId fid = (*itIF).first;
+		string fileType;
 
-        if((*itIF).second.empty() || (*itIF).second=="." || (*itIF).second==".." || (*itIF).second[0]=='_' || (*itIF).second.find(".#")==0)
-        {
-            map<TFormId,string>::iterator itErase = itIF;
-            ++itIF;
-            IdToForm.erase(itErase);
-        }
-        else
-        {
-            if( getFileType( (*itIF).second, fileType ) )
-            {
-                // insert the association (file type/file type id)
-                map<string,uint8>::iterator itFT = FileTypeToId.find(fileType);
-                if( itFT == FileTypeToId.end() )
-                {
-                    FileTypeToId.insert( make_pair(fileType,fid.FormIDInfos.Type) );
-                }
-            }
-            else
-            {
-                nlwarning("Unknown file type for the file : %s",(*itIF).second.c_str());
-            }
-            ++itIF;
-        }
-    }
+		if((*itIF).second.empty() || (*itIF).second=="." || (*itIF).second==".." || (*itIF).second[0]=='_' || (*itIF).second.find(".#")==0)
+		{
+			map<TFormId,string>::iterator itErase = itIF;
+			++itIF;
+			IdToForm.erase(itErase);
+		}
+		else
+		{
+			if( getFileType( (*itIF).second, fileType ) )
+			{
+				// insert the association (file type/file type id)
+				map<string,uint8>::iterator itFT = FileTypeToId.find(fileType);
+				if( itFT == FileTypeToId.end() )
+				{
+					FileTypeToId.insert( make_pair(fileType,fid.FormIDInfos.Type) );
+				}
+			}
+			else
+			{
+				nlwarning("Unknown file type for the file : %s",(*itIF).second.c_str());
+			}
+			++itIF;
+		}
+	}
 
 
-    // init FormToId (associates the form name to its id )
-    for( itIF = IdToForm.begin(); itIF != IdToForm.end(); ++itIF )
-    {
-        FormToId.insert( make_pair((*itIF).second,(*itIF).first) );
-    }
+	// init FormToId (associates the form name to its id )
+	for( itIF = IdToForm.begin(); itIF != IdToForm.end(); ++itIF )
+	{
+		FormToId.insert( make_pair((*itIF).second,(*itIF).first) );
+	}
 
-    // init IdToFileType (associates the form type id to the form type name)
-    map<string,uint8>::iterator itIFT;
-    for( itIFT = FileTypeToId.begin(); itIFT != FileTypeToId.end(); ++itIFT )
-    {
-        IdToFileType.insert( make_pair((*itIFT).second,(*itIFT).first) );
-    }
+	// init IdToFileType (associates the form type id to the form type name)
+	map<string,uint8>::iterator itIFT;
+	for( itIFT = FileTypeToId.begin(); itIFT != FileTypeToId.end(); ++itIFT )
+	{
+		IdToFileType.insert( make_pair((*itIFT).second,(*itIFT).first) );
+	}
 
-    // init TypeToLastId (associates the type id to the last index used for this type)
-    for( itIF = IdToForm.begin(); itIF != IdToForm.end(); ++itIF )
-    {
-        uint8 type = (*itIF).first.FormIDInfos.Type;
-        uint32 id = (*itIF).first.FormIDInfos.Id;
-        map<uint8,uint32>::iterator itTLI = TypeToLastId.find( type );
-        if( itTLI != TypeToLastId.end() )
-        {
-            if( (*itTLI).second < id )
-            {
-                (*itTLI).second = id;
-            }
-        }
-        else
-        {
-            TypeToLastId.insert( make_pair(type,id) );
-        }
-    }
+	// init TypeToLastId (associates the type id to the last index used for this type)
+	for( itIF = IdToForm.begin(); itIF != IdToForm.end(); ++itIF )
+	{
+		uint8 type = (*itIF).first.FormIDInfos.Type;
+		uint32 id = (*itIF).first.FormIDInfos.Id;
+		map<uint8,uint32>::iterator itTLI = TypeToLastId.find( type );
+		if( itTLI != TypeToLastId.end() )
+		{
+			if( (*itTLI).second < id )
+			{
+				(*itTLI).second = id;
+			}
+		}
+		else
+		{
+			TypeToLastId.insert( make_pair(type,id) );
+		}
+	}
 
 } // readFormId //
 
 
-
-
 //-----------------------------------------------
 //	makeId
 //
 //-----------------------------------------------
 void makeId( list<string>& dirs )
 {
-    list<string>::const_iterator itDir;
-    for( itDir = dirs.begin(); itDir != dirs.end(); ++itDir )
-    {
-        nlinfo ("Searching files in directory '%s'...", (*itDir).c_str());
-        vector<string> files;
-        CPath::getPathContent(*itDir,true,false,true,files);
+	list<string>::const_iterator itDir;
+	for( itDir = dirs.begin(); itDir != dirs.end(); ++itDir )
+	{
+		nlinfo ("Searching files in directory '%s'...", (*itDir).c_str());
+		vector<string> files;
+		CPath::getPathContent(*itDir,true,false,true,files);
 
-        nlinfo ("Found %d files in directory '%s'", files.size(), (*itDir).c_str());
-        for(uint i = 0; i < files.size(); i++)
-        {
-            addId(CFile::getFilename(files[i]));
-        }
-    }
+		nlinfo ("Found %d files in directory '%s'", files.size(), (*itDir).c_str());
+		for(uint i = 0; i < files.size(); i++)
+		{
+			addId(CFile::getFilename(files[i]));
+		}
+	}
 
 } // makeId //
 
 
-
-
 //-----------------------------------------------
 //	addId
 //
 //-----------------------------------------------
 void addId( string fileName )
 {
-    if(fileName.empty() || fileName=="." || fileName==".." || fileName[0]=='_' || fileName.find(".#")==0)
-    {
-        //nlinfo("Discarding file '%s'", fileName.c_str());
-        NbFilesDiscarded++;
-        return;
-    }
-    else
-    {
-        if( !ExtensionsAllowed.empty() )
-        {
-            string extStr = CFile::getExtension( fileName );
-            if( ExtensionsAllowed.find(extStr) == ExtensionsAllowed.end() )
-            {
-                NbFilesDiscarded++;
-                return;
-            }
-        }
-    }
+	if(fileName.empty() || fileName=="." || fileName==".." || fileName[0]=='_' || fileName.find(".#")==0)
+	{
+		//nlinfo("Discarding file '%s'", fileName.c_str());
+		NbFilesDiscarded++;
+		return;
+	}
+	else
+	{
+		if( !ExtensionsAllowed.empty() )
+		{
+			string extStr = CFile::getExtension( fileName );
+			if( ExtensionsAllowed.find(extStr) == ExtensionsAllowed.end() )
+			{
+				NbFilesDiscarded++;
+				return;
+			}
+		}
+	}
 
-    // if the file is new
-    map<string,TFormId>::iterator itFI = FormToId.find( fileName );
-    if( itFI == FormToId.end() )
-    {
-        // double check : if file not found we check with lower case version of filename
-        map<string,TFormId>::iterator itFILwr = FormToId.find( toLower(fileName) );
-        if( itFILwr != FormToId.end() )
-        {
-            nlwarning("Trying to add %s but the file %s is already known ! becareful with lower case and upper case.", fileName.c_str(), toLower(fileName).c_str());
-            NbFilesDiscarded++;
-            return;
-        }
+	// if the file is new
+	map<string,TFormId>::iterator itFI = FormToId.find( fileName );
+	if( itFI == FormToId.end() )
+	{
+		// double check : if file not found we check with lower case version of filename
+		map<string,TFormId>::iterator itFILwr = FormToId.find( toLower(fileName) );
+		if( itFILwr != FormToId.end() )
+		{
+			nlwarning("Trying to add %s but the file %s is already known ! becareful with lower case and upper case.", fileName.c_str(), toLower(fileName).c_str());
+			NbFilesDiscarded++;
+			return;
+		}
 
-        string fileType;
-        if( getFileType( fileName, fileType ) )
-        {
-            map<string,uint8>::iterator itFTI = FileTypeToId.find( fileType );
-            TFormId fid;
+		string fileType;
+		if( getFileType( fileName, fileType ) )
+		{
+			map<string,uint8>::iterator itFTI = FileTypeToId.find( fileType );
+			TFormId fid;
 
-            // if the type of this file is a new type
-            if( itFTI == FileTypeToId.end() )
-            {
-                sint16 firstFreeFileTypeId = getFirstFreeFileTypeId();
-                if( firstFreeFileTypeId == -1 )
-                {
-                    nlwarning("MORE THAN 256 FILE TYPES!!!!");
-                }
-                else
-                {
-                    FileTypeToId.insert( make_pair(fileType,(uint8)firstFreeFileTypeId) );
-                    IdToFileType.insert( make_pair((uint8)firstFreeFileTypeId,fileType) );
-                    TypeToLastId.insert( make_pair((uint8)firstFreeFileTypeId,0) );
+			// if the type of this file is a new type
+			if( itFTI == FileTypeToId.end() )
+			{
+				sint16 firstFreeFileTypeId = getFirstFreeFileTypeId();
+				if( firstFreeFileTypeId == -1 )
+				{
+					nlwarning("MORE THAN 256 FILE TYPES!!!!");
+				}
+				else
+				{
+					FileTypeToId.insert( make_pair(fileType,(uint8)firstFreeFileTypeId) );
+					IdToFileType.insert( make_pair((uint8)firstFreeFileTypeId,fileType) );
+					TypeToLastId.insert( make_pair((uint8)firstFreeFileTypeId,0) );
 
-                    fid.FormIDInfos.Type = (uint8)firstFreeFileTypeId;
-                    fid.FormIDInfos.Id = 0;
+					fid.FormIDInfos.Type = (uint8)firstFreeFileTypeId;
+					fid.FormIDInfos.Id = 0;
 
-                    nlinfo("Adding file type '%s' with id %d", fileType.c_str(), firstFreeFileTypeId);
-                    NbTypesAdded++;
-                }
-            }
-            // else the file type already exist
-            else
-            {
-                // id of the file type
-                uint8 fileTypeId = (*itFTI).second;
+					nlinfo("Adding file type '%s' with id %d", fileType.c_str(), firstFreeFileTypeId);
+					NbTypesAdded++;
+				}
+			}
+			// else the file type already exist
+			else
+			{
+				// id of the file type
+				uint8 fileTypeId = (*itFTI).second;
 
-                // last id used for this file type
-                map<uint8,uint32>::iterator itTLI = TypeToLastId.find(fileTypeId);
-                nlassert(itTLI != TypeToLastId.end());
-                (*itTLI).second++;
+				// last id used for this file type
+				map<uint8,uint32>::iterator itTLI = TypeToLastId.find(fileTypeId);
+				nlassert(itTLI != TypeToLastId.end());
+				(*itTLI).second++;
 
-                // add the new association
-                fid.FormIDInfos.Type = fileTypeId;
-                fid.FormIDInfos.Id = (*itTLI).second;
-            }
-            FormToId.insert( make_pair(fileName,fid) );
-            IdToForm.insert( make_pair(fid,fileName) );
-            nlinfo("Adding file '%s' id %d with type '%s' id %d", fileName.c_str(), fid.FormIDInfos.Id, fileType.c_str(), fid.FormIDInfos.Type);
-            NbFilesAdded++;
-        }
-        else
-        {
-            //nlinfo("Unknown file type for the file : '%s' --> not added",fileName.c_str());
-            NbFilesUnknownType++;
-        }
-    }
-    else
-    {
-        //nlinfo("Skipping file '%s', already in the file", fileName.c_str());
-        NbFilesAlreadyAdded++;
-    }
+				// add the new association
+				fid.FormIDInfos.Type = fileTypeId;
+				fid.FormIDInfos.Id = (*itTLI).second;
+			}
+			FormToId.insert( make_pair(fileName,fid) );
+			IdToForm.insert( make_pair(fid,fileName) );
+			nlinfo("Adding file '%s' id %d with type '%s' id %d", fileName.c_str(), fid.FormIDInfos.Id, fileType.c_str(), fid.FormIDInfos.Type);
+			NbFilesAdded++;
+		}
+		else
+		{
+			//nlinfo("Unknown file type for the file : '%s' --> not added",fileName.c_str());
+			NbFilesUnknownType++;
+		}
+	}
+	else
+	{
+		//nlinfo("Skipping file '%s', already in the file", fileName.c_str());
+		NbFilesAlreadyAdded++;
+	}
 } // addId //
 
 
-
 //-----------------------------------------------
 //	getFileType
 //
 //-----------------------------------------------
 bool getFileType( string& fileName, string& fileType )
 {
-    fileType = CFile::getExtension(CFile::getFilename(fileName));
-    return !fileType.empty();
+	fileType = CFile::getExtension(CFile::getFilename(fileName));
+	return !fileType.empty();
 
 } // getFileType //
 
 
-
 //-----------------------------------------------
 //	display
 //
 //-----------------------------------------------
 void display()
 {
-    nldebug ("Output :");
-    map<TFormId,string>::iterator it1;
-    for( it1 = IdToForm.begin(); it1 != IdToForm.end(); ++it1 )
-    {
-        nldebug("type: %d id: %d file: %s", (*it1).first.FormIDInfos.Type, (*it1).first.FormIDInfos.Id, (*it1).second.c_str());
-    }
+	nldebug ("Output :");
+	map<TFormId,string>::iterator it1;
+	for( it1 = IdToForm.begin(); it1 != IdToForm.end(); ++it1 )
+	{
+		nldebug("type: %d id: %d file: %s", (*it1).first.FormIDInfos.Type, (*it1).first.FormIDInfos.Id, (*it1).second.c_str());
+	}
 
 } // display //
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderconfgdialog.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderconfgdialog.cpp
index 314efe2be..aeb632fba 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderconfgdialog.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderconfgdialog.cpp
@@ -15,6 +15,7 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "sheetbuilderconfgdialog.h"
+#include "../core/icore.h"
 
 #include <QListWidget>
 #include <QPushButton>
@@ -25,187 +26,196 @@
 #include <QCloseEvent>
 #include <QFileDialog>
 
-SheetBuilderConfigDialog::SheetBuilderConfigDialog(QWidget *parent) :
-        QDialog(parent)
+SheetBuilderConfigDialog::SheetBuilderConfigDialog(QWidget *parent)
+	: QDialog(parent)
 {
-    /*
-     * Paths
-     */
-    QLabel *lblPaths = new QLabel(tr("Paths:"));
-    lstPaths = new QListWidget;
-    lstPaths->addItem("");
+	/*
+	 * Paths
+	 */
+	QLabel *lblPaths = new QLabel(tr("Paths:"));
+	lstPaths = new QListWidget;
+	lstPaths->addItem("");
 
-    QPushButton *btnAddPath = new QPushButton(tr("Add"));
-    connect(btnAddPath, SIGNAL(clicked()), SLOT(addPath()));
-    QPushButton *btnDeletePath = new QPushButton(tr("Delete"));
-    connect(btnDeletePath, SIGNAL(clicked()), SLOT(deletePath()));
+	QPushButton *btnAddPath = new QPushButton(tr("Add"));
+	connect(btnAddPath, SIGNAL(clicked()), SLOT(addPath()));
+	QPushButton *btnDeletePath = new QPushButton(tr("Delete"));
+	connect(btnDeletePath, SIGNAL(clicked()), SLOT(deletePath()));
 
-    QVBoxLayout *ltButtonsPaths = new QVBoxLayout();
-    ltButtonsPaths->addWidget(btnAddPath);
-    ltButtonsPaths->addWidget(btnDeletePath);
-    ltButtonsPaths->addStretch(1);
+	QVBoxLayout *ltButtonsPaths = new QVBoxLayout();
+	ltButtonsPaths->addWidget(btnAddPath);
+	ltButtonsPaths->addWidget(btnDeletePath);
+	ltButtonsPaths->addStretch(1);
 
-    QHBoxLayout *ltPaths = new QHBoxLayout;
-    ltPaths->addWidget(lstPaths);
-    ltPaths->addLayout(ltButtonsPaths);
+	QHBoxLayout *ltPaths = new QHBoxLayout;
+	ltPaths->addWidget(lstPaths);
+	ltPaths->addLayout(ltButtonsPaths);
 
-    /*
-     * Output file
-     */
-    QLabel *lblOutputFile = new QLabel(tr("Output file:"));
-    txtOutputFile = new QLineEdit();
-    QPushButton *btnBrowse = new QPushButton(tr("Browse..."));
-    connect(btnBrowse, SIGNAL(clicked()), SLOT(browseOutput()));
+	/*
+	 * Output file
+	 */
+	QLabel *lblOutputFile = new QLabel(tr("Output file:"));
+	txtOutputFile = new QLineEdit();
+	QPushButton *btnBrowse = new QPushButton(tr("Browse..."));
+	connect(btnBrowse, SIGNAL(clicked()), SLOT(browseOutput()));
 
-    QHBoxLayout *ltOutput = new QHBoxLayout();
-    ltOutput->addWidget(txtOutputFile);
-    ltOutput->addWidget(btnBrowse);
+	QHBoxLayout *ltOutput = new QHBoxLayout();
+	ltOutput->addWidget(txtOutputFile);
+	ltOutput->addWidget(btnBrowse);
 
-    /*
-     * Extensions
-     */
-    QLabel *lblExtensions = new QLabel(tr("Allowed extensions:"));
-    lstExtensionsAllowed = new QListWidget();
+	/*
+	 * Extensions
+	 */
+	QLabel *lblExtensions = new QLabel(tr("Allowed extensions:"));
+	lstExtensionsAllowed = new QListWidget();
 
-    QPushButton *btnAddExtension = new QPushButton(tr("Add"));
-    connect(btnAddExtension, SIGNAL(clicked()), SLOT(addExtension()));
-    QPushButton *btnDeleteExtension = new QPushButton(tr("Delete"));
-    connect(btnDeleteExtension, SIGNAL(clicked()), SLOT(deleteExtension()));
+	QPushButton *btnAddExtension = new QPushButton(tr("Add"));
+	connect(btnAddExtension, SIGNAL(clicked()), SLOT(addExtension()));
+	QPushButton *btnDeleteExtension = new QPushButton(tr("Delete"));
+	connect(btnDeleteExtension, SIGNAL(clicked()), SLOT(deleteExtension()));
 
-    QVBoxLayout *ltButtonsExtensions = new QVBoxLayout();
-    ltButtonsExtensions->addWidget(btnAddExtension);
-    ltButtonsExtensions->addWidget(btnDeleteExtension);
-    ltButtonsExtensions->addStretch(1);
+	QVBoxLayout *ltButtonsExtensions = new QVBoxLayout();
+	ltButtonsExtensions->addWidget(btnAddExtension);
+	ltButtonsExtensions->addWidget(btnDeleteExtension);
+	ltButtonsExtensions->addStretch(1);
 
-    QHBoxLayout *ltExtensions = new QHBoxLayout();
-    ltExtensions->addWidget(lstExtensionsAllowed);
-    ltExtensions->addLayout(ltButtonsExtensions);
+	QHBoxLayout *ltExtensions = new QHBoxLayout();
+	ltExtensions->addWidget(lstExtensionsAllowed);
+	ltExtensions->addLayout(ltButtonsExtensions);
 
-    /*
-     * Buttons
-     */
-    QPushButton *btnOk = new QPushButton(tr("OK"));
-    connect(btnOk, SIGNAL(clicked()), SLOT(accept()));
-    connect(btnOk, SIGNAL(clicked()), SLOT(writeSettings()));
+	/*
+	 * Buttons
+	 */
+	QPushButton *btnOk = new QPushButton(tr("OK"));
+	connect(btnOk, SIGNAL(clicked()), SLOT(accept()));
+	connect(btnOk, SIGNAL(clicked()), SLOT(writeSettings()));
 
-    QPushButton *btnCancel = new QPushButton(tr("Cancel"));
-    connect(btnCancel, SIGNAL(clicked()), SLOT(reject()));
+	QPushButton *btnCancel = new QPushButton(tr("Cancel"));
+	connect(btnCancel, SIGNAL(clicked()), SLOT(reject()));
 
-    QHBoxLayout *ltButtons = new QHBoxLayout;
-    ltButtons->addStretch(1);
-    ltButtons->addWidget(btnOk);
-    ltButtons->addWidget(btnCancel);
+	QHBoxLayout *ltButtons = new QHBoxLayout;
+	ltButtons->addStretch(1);
+	ltButtons->addWidget(btnOk);
+	ltButtons->addWidget(btnCancel);
 
-    /*
-     * Main layout
-     */
-    QVBoxLayout *ltMain = new QVBoxLayout;
-    ltMain->addWidget(lblPaths);
-    ltMain->addLayout(ltPaths);
-    ltMain->addWidget(lblOutputFile);
-    ltMain->addLayout(ltOutput);
-    ltMain->addWidget(lblExtensions);
-    ltMain->addLayout(ltExtensions);
-    ltMain->addLayout(ltButtons);
+	/*
+	 * Main layout
+	 */
+	QVBoxLayout *ltMain = new QVBoxLayout;
+	ltMain->addWidget(lblPaths);
+	ltMain->addLayout(ltPaths);
+	ltMain->addWidget(lblOutputFile);
+	ltMain->addLayout(ltOutput);
+	ltMain->addWidget(lblExtensions);
+	ltMain->addLayout(ltExtensions);
+	ltMain->addLayout(ltButtons);
 
-    setLayout(ltMain);
-    setWindowTitle(tr("Sheet builder configuration"));
-    resize(500, 450);
-    readSettings();
+	setLayout(ltMain);
+	setWindowTitle(tr("Sheet builder configuration"));
+	resize(500, 450);
+	readSettings();
 }
 
 void SheetBuilderConfigDialog::addPath()
 {
-    QString path =
-            QFileDialog::getExistingDirectory(this, "Choose path");
-    if (!path.isEmpty()) {
-        QListWidgetItem *newItem = new QListWidgetItem;
-        newItem->setText(path);
-        newItem->setFlags(Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable);
-        lstPaths->addItem(newItem);
-        lstPaths->setCurrentItem(newItem);
-    }
+	QString path =
+		QFileDialog::getExistingDirectory(this, tr("Choose path"));
+	if (!path.isEmpty())
+	{
+		QListWidgetItem *newItem = new QListWidgetItem;
+		newItem->setText(path);
+		newItem->setFlags(Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable);
+		lstPaths->addItem(newItem);
+		lstPaths->setCurrentItem(newItem);
+	}
 }
 
 void SheetBuilderConfigDialog::addExtension()
 {
-    QListWidgetItem *newItem = new QListWidgetItem;
-    newItem->setFlags(Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable);
-    lstExtensionsAllowed->addItem(newItem);
-    lstExtensionsAllowed->setCurrentItem(newItem);
+	QListWidgetItem *newItem = new QListWidgetItem;
+	newItem->setFlags(Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable);
+	lstExtensionsAllowed->addItem(newItem);
+	lstExtensionsAllowed->setCurrentItem(newItem);
 }
 
 void SheetBuilderConfigDialog::deletePath()
 {
-    QListWidgetItem *removeItem = lstPaths->takeItem(lstPaths->currentRow());
-    if (!removeItem)
-        delete removeItem;
+	QListWidgetItem *removeItem = lstPaths->takeItem(lstPaths->currentRow());
+	if (!removeItem)
+		delete removeItem;
 }
 
 void SheetBuilderConfigDialog::deleteExtension()
 {
-    QListWidgetItem *removeItem
-            = lstExtensionsAllowed->takeItem(lstExtensionsAllowed->currentRow());
-    if (!removeItem)
-        delete removeItem;
+	QListWidgetItem *removeItem
+	= lstExtensionsAllowed->takeItem(lstExtensionsAllowed->currentRow());
+	if (!removeItem)
+		delete removeItem;
 }
 
 void SheetBuilderConfigDialog::browseOutput()
 {
-    QString fileName =
-            QFileDialog::getSaveFileName(this,tr("Choose output file"), "");
-    if (!fileName.isEmpty())
-        txtOutputFile->setText(fileName);
+	QString fileName =
+		QFileDialog::getSaveFileName(this, tr("Choose output file"), "");
+	if (!fileName.isEmpty())
+		txtOutputFile->setText(fileName);
 }
 
 void SheetBuilderConfigDialog::readSettings()
 {
-    QStringList paths;
-    QString outputFile;
-    QStringList extensions;
+	QStringList paths;
+	QString outputFile;
+	QStringList extensions;
 
-    QSettings settings("ovqt_sheet_builder.ini", QSettings::IniFormat);
+	QSettings *settings = Core::ICore::instance()->settings();
+	settings->beginGroup("SheetBuilder");
+	paths = settings->value("SheetPaths").toStringList();
+	outputFile = settings->value("SheetOutputFile").toString();
+	extensions = settings->value("ExtensionsAllowed").toStringList();
+	settings->endGroup();
 
-    paths = settings.value("SheetPaths").toStringList();
-    outputFile = settings.value("SheetOutputFile").toString();
-    extensions = settings.value("ExtensionsAllowed").toStringList();
+	lstPaths->clear();
+	lstExtensionsAllowed->clear();
 
-    lstPaths->clear();
-    lstExtensionsAllowed->clear();
+	QListWidgetItem *newItem;
 
-    QListWidgetItem *newItem;
+	Q_FOREACH (QString path, paths)
+	{
+		newItem = new QListWidgetItem;
+		newItem->setText(path);
+		newItem->setFlags(Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable);
+		lstPaths->addItem(newItem);
+	}
 
-    Q_FOREACH (QString path, paths) {
-        newItem = new QListWidgetItem;
-        newItem->setText(path);
-        newItem->setFlags(Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable);
-        lstPaths->addItem(newItem);
-    }
+	txtOutputFile->setText(outputFile);
 
-    txtOutputFile->setText(outputFile);
-
-    Q_FOREACH (QString extension, extensions) {
-        newItem = new QListWidgetItem;
-        newItem->setText(extension);
-        newItem->setFlags(Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable);
-        lstExtensionsAllowed->addItem(newItem);
-    }
+	Q_FOREACH (QString extension, extensions)
+	{
+		newItem = new QListWidgetItem;
+		newItem->setText(extension);
+		newItem->setFlags(Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable);
+		lstExtensionsAllowed->addItem(newItem);
+	}
 }
 
 void SheetBuilderConfigDialog::writeSettings()
 {
-    QStringList paths;
-    for (int i = 0; i < lstPaths->count(); i++)
-        paths.push_back(lstPaths->item(i)->text());
+	QStringList paths;
+	for (int i = 0; i < lstPaths->count(); i++)
+		paths.push_back(lstPaths->item(i)->text());
 
-    QString outputFile = txtOutputFile->text();
+	QString outputFile = txtOutputFile->text();
 
-    QStringList extensions;
-    for (int i = 0; i < lstExtensionsAllowed->count(); i++)
-        extensions.push_back(lstExtensionsAllowed->item(i)->text());
+	QStringList extensions;
+	for (int i = 0; i < lstExtensionsAllowed->count(); i++)
+		extensions.push_back(lstExtensionsAllowed->item(i)->text());
 
-    QSettings settings("./ovqt_sheet_builder.ini", QSettings::IniFormat);
-    settings.setValue("SheetPaths", paths);
-    settings.setValue("SheetOutputFile", outputFile);
-    settings.setValue("ExtensionsAllowed", extensions);
+	QSettings *settings = Core::ICore::instance()->settings();
+	settings->beginGroup("SheetBuilder");
+	settings->setValue("SheetPaths", paths);
+	settings->setValue("SheetOutputFile", outputFile);
+	settings->setValue("ExtensionsAllowed", extensions);
+	settings->endGroup();
+
+	// Forced save settings
+	settings->sync();
 }
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderconfgdialog.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderconfgdialog.h
index 1d1f225f9..77455c92d 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderconfgdialog.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderconfgdialog.h
@@ -24,23 +24,23 @@ class QLineEdit;
 
 class SheetBuilderConfigDialog : public QDialog
 {
-    Q_OBJECT
+	Q_OBJECT
 public:
-    explicit SheetBuilderConfigDialog(QWidget *parent = 0);
+	explicit SheetBuilderConfigDialog(QWidget *parent = 0);
 
 private Q_SLOTS:
-    void addPath();
-    void addExtension();
-    void deletePath();
-    void deleteExtension();
-    void browseOutput();
-    void readSettings();
-    void writeSettings();
+	void addPath();
+	void addExtension();
+	void deletePath();
+	void deleteExtension();
+	void browseOutput();
+	void readSettings();
+	void writeSettings();
 
 private:
-    QListWidget *lstPaths;
-    QListWidget *lstExtensionsAllowed;
-    QLineEdit *txtOutputFile;
+	QListWidget *lstPaths;
+	QListWidget *lstExtensionsAllowed;
+	QLineEdit *txtOutputFile;
 };
 
 #endif // SHEETBUILDERCONFGDIALOG_H
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderdialog.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderdialog.cpp
index 1f49ef89c..bf6f4d7c5 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderdialog.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderdialog.cpp
@@ -15,6 +15,11 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "sheetbuilderdialog.h"
+#include "sheetbuilder.h"
+#include "sheetbuilderconfgdialog.h"
+#include "../core/icore.h"
+#include "../core/core_constants.h"
+
 #include <QCheckBox>
 #include <QPushButton>
 #include <QLayout>
@@ -23,190 +28,185 @@
 #include <QTreeWidget>
 #include <QDebug>
 
-#include "sheetbuilder.h"
-#include "sheetbuilderconfgdialog.h"
-
-SheetBuilderDialog::SheetBuilderDialog(QWidget *parent) :
-    QDialog(parent)
+SheetBuilderDialog::SheetBuilderDialog(QWidget *parent)
+	: QDialog(parent)
 {
+	QPushButton *btnOk = new QPushButton(tr("Make sheet"));
+	connect(btnOk, SIGNAL(clicked()), SLOT(buildSheet()));
 
-    QPushButton *btnOk = new QPushButton(tr("Make sheet"));
-    connect(btnOk, SIGNAL(clicked()), SLOT(buildSheet()));
+	QPushButton *btnCancel = new QPushButton(tr("Close"));
+	connect(btnCancel, SIGNAL(clicked()), SLOT(reject()));
 
-    QPushButton *btnCancel = new QPushButton(tr("Close"));
-    connect(btnCancel, SIGNAL(clicked()), SLOT(reject()));
+	chckClean = new QCheckBox(tr("Clean unwanted types from input"));
 
-    chckClean = new QCheckBox(tr("Clean unwanted types from input"));
+	txtOutput = new QTextEdit;
+	txtOutput->setMinimumHeight(300);
+	txtOutput->setMinimumWidth(500);
+	txtOutput->setReadOnly(true);
+	txtOutput->setFontFamily("Monospace, Courier New, monospace");
 
-    txtOutput = new QTextEdit;
-    txtOutput->setMinimumHeight(300);
-    txtOutput->setMinimumWidth(500);
-    txtOutput->setReadOnly(true);
-    txtOutput->setFontFamily("Monospace, Courier New, monospace");
+	QPushButton *btnDetails = new QPushButton(tr("Show/Hide details..."));
+	connect(btnDetails, SIGNAL(clicked()), SLOT(detailsShowHide()));
 
-    QPushButton *btnDetails = new QPushButton(tr("Show/Hide details..."));
-    connect(btnDetails, SIGNAL(clicked()), SLOT(detailsShowHide()));
+	QPushButton *btnConfig = new QPushButton(tr("Settings"));
+	connect(btnConfig, SIGNAL(clicked()), SLOT(showConfig()));
 
-    QPushButton *btnConfig = new QPushButton(tr("Settings"));
-    connect(btnConfig, SIGNAL(clicked()), SLOT(showConfig()));
+	QHBoxLayout *ltButtons = new QHBoxLayout;
+	ltButtons->addWidget(btnConfig);
+	ltButtons->addWidget(btnDetails);
+	ltButtons->addStretch(1);
+	ltButtons->addWidget(btnOk);
+	ltButtons->addWidget(btnCancel);
 
-    QHBoxLayout *ltButtons = new QHBoxLayout;
-    ltButtons->addWidget(btnConfig);
-    ltButtons->addWidget(btnDetails);
-    ltButtons->addStretch(1);
-    ltButtons->addWidget(btnOk);
-    ltButtons->addWidget(btnCancel);
+	QVBoxLayout *ltMain = new QVBoxLayout;
+	ltMain->addWidget(chckClean);
+	ltMain->addWidget(txtOutput, 1);
+	ltMain->addLayout(ltButtons);
+	ltMain->addStretch();
 
-    QVBoxLayout *ltMain = new QVBoxLayout;
-    ltMain->addWidget(chckClean);
-    ltMain->addWidget(txtOutput, 1);
-    ltMain->addLayout(ltButtons);
-    ltMain->addStretch();
+	txtOutput->hide();
+	detailsVisible = false;
 
-    txtOutput->hide();
-    detailsVisible = false;
-
-    setLayout(ltMain);
-    defHeight = height();
-    defWidth = 500;
-    resize(defWidth, defHeight);
-    setWindowTitle(tr("Sheet builder"));
+	setLayout(ltMain);
+	defHeight = height();
+	defWidth = 500;
+	resize(defWidth, defHeight);
+	setWindowTitle(tr("Sheet builder"));
 }
 
 void SheetBuilderDialog::showConfig()
 {
-    SheetBuilderConfigDialog dlg(this);
-    dlg.exec();
+	SheetBuilderConfigDialog dlg(this);
+	dlg.exec();
 }
 
 void SheetBuilderDialog::detailsShowHide()
 {
-    if (!detailsVisible) {
-        defHeight = height();
-        defWidth = width();
-    }
+	if (!detailsVisible)
+	{
+		defHeight = height();
+		defWidth = width();
+	}
 
-    detailsVisible = !detailsVisible;
-    txtOutput->setVisible(detailsVisible);
+	detailsVisible = !detailsVisible;
+	txtOutput->setVisible(detailsVisible);
 
-    if (!detailsVisible) {
-        adjustSize();
-        resize(defWidth, defHeight);
-    }
+	if (!detailsVisible)
+	{
+		adjustSize();
+		resize(defWidth, defHeight);
+	}
 }
 
 void SheetBuilderDialog::displayInfo(QString str)
 {
-    txtOutput->append(str);
+	txtOutput->append(str);
 }
 
 void SheetBuilderDialog::buildSheet()
 {
-    QStringList paths;
-    QString outputFile;
-    QStringList extensions;
+	QStringList paths;
+	QString outputFile;
+	QStringList extensions;
 
-    QSettings settings("ovqt_sheet_builder.ini", QSettings::IniFormat);
-    paths = settings.value("SheetPaths").toStringList();
-    outputFile = settings.value("SheetOutputFile").toString();
-    extensions = settings.value("ExtensionsAllowed").toStringList();
+	// read settings
+	QSettings *settings = Core::ICore::instance()->settings();
+	settings->beginGroup("SheetBuilder");
+	paths = settings->value("SheetPaths").toStringList();
+	outputFile = settings->value("SheetOutputFile").toString();
+	extensions = settings->value("ExtensionsAllowed").toStringList();
+	settings->endGroup();
 
-    bool clean = chckClean->isChecked();
-    string configFileName("ovqt_sheet_builder.ini");
-    string outputFileName(outputFile.toStdString());
+	bool clean = chckClean->isChecked();
 
-    if (outputFileName.empty()) {
-        displayInfo("Error: Output file is not specified");
-        return;
-    }
+	string outputFileName(outputFile.toStdString());
 
-    list<string> inputDirs;
-    Q_FOREACH (QString str, paths)
-        inputDirs.push_back(str.toStdString());
+	if (outputFileName.empty())
+	{
+		displayInfo("Error: Output file is not specified");
+		return;
+	}
 
-    // load the config files
-    CConfigFile	configFile;
-    if(!CFile::fileExists(configFileName))
-    {
-        displayInfo(QString("Config file '%1' not found, working whithout filter").arg(configFileName.c_str()) );
-    }
-    else
-    {
-        Q_FOREACH (QString str, extensions) {
-            ExtensionsAllowed.insert(str.toStdString());
-        }
-    }
+	list<string> inputDirs;
+	Q_FOREACH (QString str, paths)
+	inputDirs.push_back(str.toStdString());
 
-    // get the current associations (read the sheet_id and fill the working structures)
-    readFormId( outputFileName );
+	Q_FOREACH (QString str, extensions)
+	{
+		ExtensionsAllowed.insert(str.toStdString());
+	}
 
-    // output path
-    sint lastSeparator = CFile::getLastSeparator(outputFileName);
-    string outputPath;
-    if( lastSeparator != -1 )
-    {
-        outputPath = outputFileName.substr(0,lastSeparator+1);
-    }
+	// get the current associations (read the sheet_id and fill the working structures)
+	readFormId( outputFileName );
 
-    // erase the unwanted extensions from map (modify the map, save it, and quit)
-    if( clean )
-    {
-        if( ExtensionsAllowed.empty() )
-            displayInfo("None extension list provided, the input will not be cleaned");
-        else
-        {
-            map<TFormId,string>::iterator itSheets;
-            for( itSheets = IdToForm.begin(); itSheets != IdToForm.end();  )
-            {
-                string extStr = CFile::getExtension( (*itSheets).second );
-                if( !extStr.empty() )
-                {
-                    if( ExtensionsAllowed.find(extStr) == ExtensionsAllowed.end() )
-                    {
-                        map<TFormId,string>::iterator itDel = itSheets++;
-                        IdToForm.erase( itDel );
-                    }
-                    else
-                        ++itSheets;
-                }
-            }
-            COFile f( outputFileName );
-            f.serialCont( IdToForm );
-        }
-        displayInfo("The file has been cleaned");
-        return;
-    }
+	// output path
+	sint lastSeparator = CFile::getLastSeparator(outputFileName);
+	string outputPath;
+	if( lastSeparator != -1 )
+	{
+		outputPath = outputFileName.substr(0,lastSeparator+1);
+	}
 
-    // make the ids
-    makeId( inputDirs );
+	// erase the unwanted extensions from map (modify the map, save it, and quit)
+	if( clean )
+	{
+		if( ExtensionsAllowed.empty() )
+			displayInfo(tr("None extension list provided, the input will not be cleaned"));
+		else
+		{
+			map<TFormId,string>::iterator itSheets;
+			for( itSheets = IdToForm.begin(); itSheets != IdToForm.end();  )
+			{
+				string extStr = CFile::getExtension( (*itSheets).second );
+				if( !extStr.empty() )
+				{
+					if( ExtensionsAllowed.find(extStr) == ExtensionsAllowed.end() )
+					{
+						map<TFormId,string>::iterator itDel = itSheets++;
+						IdToForm.erase( itDel );
+					}
+					else
+						++itSheets;
+				}
+			}
+			COFile f( outputFileName );
+			f.serialCont( IdToForm );
+		}
+		displayInfo("The file has been cleaned");
+		return;
+	}
+	setCursor(Qt::WaitCursor);
+	// make the ids
+	makeId( inputDirs );
+	setCursor(Qt::ArrowCursor);
 
-    // save the new map
-    COFile f( outputFileName );
-    f.serialCont( IdToForm );
+	// save the new map
+	COFile f( outputFileName );
+	f.serialCont( IdToForm );
 
-    string sheetListFileName = outputPath + "sheets.txt";
-    COFile output;
-    if( !output.open(sheetListFileName,false,true) )
-    {
-        displayInfo(QString("Can't open output file %1").arg(sheetListFileName.c_str()));
-        return;
-    }
-    map<TFormId,string>::iterator it1;
-    for( it1 = IdToForm.begin(); it1 != IdToForm.end(); ++it1 )
-    {
-        string outputLine = " id: " + toString((*it1).first.Id) + " file: " + (*it1).second +"\n";
-        output.serialBuffer((uint8*)(const_cast<char*>(outputLine.data())),(uint)outputLine.size());
-    }
+	string sheetListFileName = outputPath + "sheets.txt";
+	COFile output;
+	if( !output.open(sheetListFileName,false,true) )
+	{
+		displayInfo(tr("Can't open output file %1").arg(sheetListFileName.c_str()));
+		return;
+	}
+	map<TFormId,string>::iterator it1;
+	for( it1 = IdToForm.begin(); it1 != IdToForm.end(); ++it1 )
+	{
+		string outputLine = " id: " + toString((*it1).first.Id) + " file: " + (*it1).second +"\n";
+		output.serialBuffer((uint8*)(const_cast<char*>(outputLine.data())),(uint)outputLine.size());
+	}
 
-    displayInfo ("------------- results ----------------");
-    displayInfo (QString("%1 files added in '%2'").arg(NbFilesAdded).arg(outputFileName.c_str()));
-    displayInfo (QString("%1 files discarded because they are empty, begin with .# _ and so on").arg(NbFilesDiscarded));
-    displayInfo (QString("%1 files skipped because don't have extension").arg(NbFilesUnknownType));
-    displayInfo (QString("%1 types added in '%1'").arg(NbTypesAdded).arg(outputFileName.c_str()));
+	displayInfo (tr("------------- results ----------------"));
+	displayInfo (tr("%1 files added in '%2'").arg(NbFilesAdded).arg(outputFileName.c_str()));
+	displayInfo (tr("%1 files discarded because they are empty, begin with .# _ and so on").arg(NbFilesDiscarded));
+	displayInfo (tr("%1 files skipped because don't have extension").arg(NbFilesUnknownType));
+	displayInfo (tr("%1 types added in '%1'").arg(NbTypesAdded).arg(outputFileName.c_str()));
 
-    displayInfo (QString("%1 supported file types :").arg(FileTypeToId.size()));
-    for ( map<string,uint8>::iterator it = FileTypeToId.begin(); it != FileTypeToId.end(); ++it )
-    {
-        displayInfo(QString("%1").arg((*it).first.c_str()));
-    }
+	displayInfo (tr("%1 supported file types :").arg(FileTypeToId.size()));
+	for ( map<string,uint8>::iterator it = FileTypeToId.begin(); it != FileTypeToId.end(); ++it )
+	{
+		displayInfo(QString("%1").arg((*it).first.c_str()));
+	}
 }
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderdialog.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderdialog.h
index 77cc1ac39..19dff2188 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderdialog.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/ovqt_sheet_builder/sheetbuilderdialog.h
@@ -24,24 +24,24 @@ class QTextEdit;
 
 class SheetBuilderDialog : public QDialog
 {
-    Q_OBJECT
+	Q_OBJECT
 public:
-    explicit SheetBuilderDialog(QWidget *parent = 0);
-    ~SheetBuilderDialog() {}
+	explicit SheetBuilderDialog(QWidget *parent = 0);
+	~SheetBuilderDialog() {}
 
 private Q_SLOTS:
-    void buildSheet();
-    void detailsShowHide();
-    void showConfig();
+	void buildSheet();
+	void detailsShowHide();
+	void showConfig();
 
 private:
-    void displayInfo(QString str);
+	void displayInfo(QString str);
 
-    int defHeight;
-    int defWidth;
-    bool detailsVisible;
-    QCheckBox *chckClean;
-    QTextEdit *txtOutput;
+	int defHeight;
+	int defWidth;
+	bool detailsVisible;
+	QCheckBox *chckClean;
+	QTextEdit *txtOutput;
 };
 
 #endif // SHEETBUILDERDIALOG_H