Salome HOME
Merge from V6_main 11/02/2013
[modules/gui.git] / src / SVTK / SVTK_ViewModel.cxx
index c1354eeab0243429e3e7f8205d79a139d390b060..e8ab931714936dbd03c0c98f5aa104512782eef1 100644 (file)
@@ -1,41 +1,55 @@
-// Copyright (C) 2005  OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA R&D
-// 
+// Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either 
+// License as published by the Free Software Foundation; either
 // version 2.1 of the License.
-// 
-// This library is distributed in the hope that it will be useful 
-// but WITHOUT ANY WARRANTY; without even the implied warranty of 
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 // Lesser General Public License for more details.
 //
-// You should have received a copy of the GNU Lesser General Public  
-// License along with this library; if not, write to the Free Software 
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 //
-// See http://www.salome-platform.org/
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
-#include <qpopupmenu.h>
-#include <qcolordialog.h>
+
+#include <QMenu>
+#include <QColorDialog>
+#include <QToolBar>
 
 #include <vtkCamera.h>
 #include <vtkRenderer.h>
 #include <vtkActorCollection.h>
 
-#include "SUIT_Session.h"
-
+//#include "SUIT_Session.h"
 #include "SVTK_Selection.h"
 #include "SVTK_ViewModel.h"
 #include "SVTK_ViewWindow.h"
 #include "SVTK_View.h"
-#include "SVTK_MainWindow.h"
+//#include "SVTK_MainWindow.h"
 #include "SVTK_Prs.h"
 
+#include "VTKViewer_Algorithm.h"
 #include "VTKViewer_ViewModel.h"
 
-#include <SALOME_Actor.h>
-#include <SALOME_InteractiveObject.hxx>
+#include "SUIT_ViewModel.h"
+#include "SUIT_ViewManager.h"
+
+#include "SALOME_Actor.h"
+
+#include "QtxActionToolMgr.h"
+#include "QtxBackgroundTool.h"
+
+// VSR: Uncomment below line to allow texture background support in VTK viewer
+#define VTK_ENABLE_TEXTURED_BACKGROUND
+
 
 // in order NOT TO link with SalomeApp, here the code returns SALOMEDS_Study.
 // SalomeApp_Study::studyDS() does it as well, but -- here it is retrieved from 
@@ -66,6 +80,17 @@ SVTK_Viewer::SVTK_Viewer()
 {
   myTrihedronSize = 105;
   myTrihedronRelative = true;
+  myIsStaticTrihedronVisible = true;
+  myIncrementSpeed = 10;
+  myIncrementMode = 0;
+  myProjMode = 0;
+  myStyle = 0;
+  myZoomingStyle = 0;
+  myDynamicPreSelection = false;
+  mySpaceBtn[0] = 1;
+  mySpaceBtn[1] = 2;
+  mySpaceBtn[2] = 9;
+  myDefaultBackground = Qtx::BackgroundData( Qt::black );
 }
 
 /*!
@@ -75,51 +100,92 @@ SVTK_Viewer::~SVTK_Viewer()
 {
 }
 
+/*! Get data for supported background modes: gradient types, identifiers and supported image formats */
+QString SVTK_Viewer::backgroundData( QStringList& gradList, QIntList& idList, QIntList& txtList )
+{
+  gradList << tr( "GT_HORIZONTALGRADIENT" )
+           << tr( "GT_VERTICALGRADIENT" )
+           << tr( "GT_FIRSTDIAGONALGRADIENT" )
+           << tr( "GT_SECONDDIAGONALGRADIENT" )
+           << tr( "GT_FIRSTCORNERGRADIENT" )
+           << tr( "GT_SECONDCORNERGRADIENT" )
+           << tr( "GT_THIRDCORNERGRADIENT" )
+           << tr( "GT_FOURTHCORNERGRADIENT" );
+  idList   << HorizontalGradient
+           << VerticalGradient
+           << FirstDiagonalGradient
+           << SecondDiagonalGradient
+           << FirstCornerGradient
+           << SecondCornerGradient
+           << ThirdCornerGradient
+           << FourthCornerGradient;
+#ifdef VTK_ENABLE_TEXTURED_BACKGROUND
+  txtList  << Qtx::CenterTexture << Qtx::TileTexture << Qtx::StretchTexture;
+#endif
+  return tr("BG_IMAGE_FILES");
+}
+
+//! Get background color of the viewer [obsolete]
+QColor SVTK_Viewer::backgroundColor() const
+{
+  return background().color();
+}
+
+//! Set background color to the viewer [obsolete]
+void SVTK_Viewer::setBackgroundColor( const QColor& c )
+{
+  Qtx::BackgroundData bg = background();
+  bg.setColor( c );
+  setBackground( bg );
+}
+
 /*!
-  \return background color
+  \return background data
 */
-QColor
-SVTK_Viewer
-::backgroundColor() const
+Qtx::BackgroundData SVTK_Viewer::background() const
 {
-  return myBgColor;
+  return myDefaultBackground;
 }
 
 /*!
-  Changes background color
-  \param theColor - new background color
+  Changes background
+  \param theBackground - new background data
 */
-void
-SVTK_Viewer
-::setBackgroundColor( const QColor& theColor )
+void SVTK_Viewer::setBackground( const Qtx::BackgroundData& theBackground )
 {
-  if ( !theColor.isValid() )
-    return;
-
-  QPtrVector<SUIT_ViewWindow> aViews = myViewManager->getViews();
+  myDefaultBackground = theBackground.isValid() ? theBackground : Qtx::BackgroundData( Qt::black );
+  QVector<SUIT_ViewWindow*> aViews = myViewManager->getViews();
   for(int i = 0, iEnd = aViews.size(); i < iEnd; i++){
     if(SUIT_ViewWindow* aViewWindow = aViews.at(i)){
       if(TViewWindow* aView = dynamic_cast<TViewWindow*>(aViewWindow)){
-       aView->setBackgroundColor(theColor);
+        aView->setBackground(myDefaultBackground);
       }
     }
-  }
-
-  myBgColor = theColor;
+  }  
 }
 
 /*!Create new instance of view window on desktop \a theDesktop.
  *\retval SUIT_ViewWindow* - created view window pointer.
  */
-SUIT_ViewWindow*
-SVTK_Viewer::
-createView( SUIT_Desktop* theDesktop )
+SUIT_ViewWindow* SVTK_Viewer::createView( SUIT_Desktop* theDesktop )
 {
   TViewWindow* aViewWindow = new TViewWindow(theDesktop);
   aViewWindow->Initialize(this);
 
-  aViewWindow->setBackgroundColor( backgroundColor() );
+  aViewWindow->setBackground( background() );
   aViewWindow->SetTrihedronSize( trihedronSize(), trihedronRelative() );
+  aViewWindow->SetStaticTrihedronVisible( isStaticTrihedronVisible() );
+  aViewWindow->SetProjectionMode( projectionMode() );
+  aViewWindow->SetInteractionStyle( interactionStyle() );
+  aViewWindow->SetZoomingStyle( zoomingStyle() );
+  aViewWindow->SetDynamicPreSelection( dynamicPreSelection() );
+  aViewWindow->SetIncrementalSpeed( incrementalSpeed(), incrementalSpeedMode() );
+  aViewWindow->SetSpacemouseButtons( spacemouseBtn(1), spacemouseBtn(2), spacemouseBtn(3) );
+
+  connect(aViewWindow, SIGNAL( actorAdded(VTKViewer_Actor*) ), 
+          this,  SLOT(onActorAdded(VTKViewer_Actor*)));
+  connect(aViewWindow, SIGNAL( actorRemoved(VTKViewer_Actor*) ), 
+          this,  SLOT(onActorRemoved(VTKViewer_Actor*)));
 
   return aViewWindow;
 }
@@ -127,7 +193,7 @@ createView( SUIT_Desktop* theDesktop )
 /*!
   \return trihedron size
 */
-int SVTK_Viewer::trihedronSize() const
+vtkFloatingPointType SVTK_Viewer::trihedronSize() const
 {
   return myTrihedronSize;
 }
@@ -145,21 +211,221 @@ bool SVTK_Viewer::trihedronRelative() const
   \param theSize - new size
   \param theRelative - new relativeness
 */
-void SVTK_Viewer::setTrihedronSize( const int theSize, const bool theRelative )
+void SVTK_Viewer::setTrihedronSize( const vtkFloatingPointType theSize, const bool theRelative )
 {
   myTrihedronSize = theSize;
   myTrihedronRelative = theRelative;
 
   if (SUIT_ViewManager* aViewManager = getViewManager()) {
-    QPtrVector<SUIT_ViewWindow> aViews = aViewManager->getViews();
-    for (int i = 0; i < aViews.count(); i++) {
-      if (TViewWindow* aView = dynamic_cast<TViewWindow*>(aViews.at(i))) {
-       aView->SetTrihedronSize(theSize, theRelative);
+    QVector<SUIT_ViewWindow*> aViews = aViewManager->getViews();
+    for ( uint i = 0; i < aViews.count(); i++ )
+    {
+      if ( TViewWindow* aView = dynamic_cast<TViewWindow*>(aViews.at( i )) )
+              aView->SetTrihedronSize( theSize, theRelative );
+    }
+  }
+}
+
+/*!
+  \return visibility status of the static trihedron
+*/
+bool SVTK_Viewer::isStaticTrihedronVisible() const
+{
+  return myIsStaticTrihedronVisible;
+}
+
+/*!
+  Sets visibility status of the static trihedron
+  \param theIsVisible - new visibility status
+*/
+void SVTK_Viewer::setStaticTrihedronVisible( const bool theIsVisible )
+{
+  myIsStaticTrihedronVisible = theIsVisible;
+
+  if (SUIT_ViewManager* aViewManager = getViewManager()) {
+    QVector<SUIT_ViewWindow*> aViews = aViewManager->getViews();
+    for ( uint i = 0; i < aViews.count(); i++ )
+    {
+      if ( TViewWindow* aView = dynamic_cast<TViewWindow*>(aViews.at( i )) )
+        aView->SetStaticTrihedronVisible( theIsVisible );
+    }
+  }
+}
+
+/*!
+  \return projection mode
+*/
+int SVTK_Viewer::projectionMode() const
+{
+  return myProjMode;
+}
+
+
+/*!
+  Sets projection mode: 0 - orthogonal, 1 - perspective projection
+  \param theMode - new projection mode
+*/
+void SVTK_Viewer::setProjectionMode( const int theMode )
+{
+  if ( myProjMode != theMode ) {
+    myProjMode = theMode;
+
+    if (SUIT_ViewManager* aViewManager = getViewManager()) {
+      QVector<SUIT_ViewWindow*> aViews = aViewManager->getViews();
+      for ( uint i = 0; i < aViews.count(); i++ )
+      {
+        if ( TViewWindow* aView = dynamic_cast<TViewWindow*>(aViews.at( i )) )
+          aView->SetProjectionMode( theMode );
       }
     }
   }
 }
 
+/*!
+  \return interaction style
+*/
+int SVTK_Viewer::interactionStyle() const
+{
+  return myStyle;
+}
+
+/*!
+  Sets interaction style: 0 - standard, 1 - keyboard free interaction
+  \param theStyle - new interaction style
+*/
+void SVTK_Viewer::setInteractionStyle( const int theStyle )
+{
+  myStyle = theStyle;
+  
+  if (SUIT_ViewManager* aViewManager = getViewManager()) {
+    QVector<SUIT_ViewWindow*> aViews = aViewManager->getViews();
+    for ( uint i = 0; i < aViews.count(); i++ )
+    {
+      if ( TViewWindow* aView = dynamic_cast<TViewWindow*>(aViews.at( i )) )
+        aView->SetInteractionStyle( theStyle );
+    }
+  }
+}
+
+/*!
+  \return zooming style
+*/
+int SVTK_Viewer::zoomingStyle() const
+{
+  return myZoomingStyle;
+}
+
+/*!
+  Sets zooming style: 0 - standard, 1 - advanced (at cursor)
+  \param theStyle - new zooming style
+*/
+void SVTK_Viewer::setZoomingStyle( const int theStyle )
+{
+  myZoomingStyle = theStyle;
+  
+  if (SUIT_ViewManager* aViewManager = getViewManager()) {
+    QVector<SUIT_ViewWindow*> aViews = aViewManager->getViews();
+    for ( uint i = 0; i < aViews.count(); i++ )
+    {
+      if ( TViewWindow* aView = dynamic_cast<TViewWindow*>(aViews.at( i )) )
+        aView->SetZoomingStyle( theStyle );
+    }
+  }
+}
+
+/*!
+  \return dynamic preselection
+*/
+bool SVTK_Viewer::dynamicPreSelection() const
+{
+  return myDynamicPreSelection;
+}
+
+/*!
+  Sets dynamic preselection
+  \param theMode - new dynamic preselection mode
+*/
+void SVTK_Viewer::setDynamicPreSelection( const bool theMode )
+{
+  myDynamicPreSelection = theMode;
+  
+  if (SUIT_ViewManager* aViewManager = getViewManager()) {
+    QVector<SUIT_ViewWindow*> aViews = aViewManager->getViews();
+    for ( uint i = 0; i < aViews.count(); i++ )
+    {
+      if ( TViewWindow* aView = dynamic_cast<TViewWindow*>(aViews.at( i )) )
+        aView->SetDynamicPreSelection( theMode );
+    }
+  }
+}
+
+/*!
+  \return incremental speed value
+*/
+int SVTK_Viewer::incrementalSpeed() const
+{
+  return myIncrementSpeed;
+}
+
+/*!
+  \return modification mode of the incremental speed 
+*/
+int SVTK_Viewer::incrementalSpeedMode() const
+{
+  return myIncrementMode;
+}
+
+/*!
+  Set the incremental speed value and modification mode
+  \param theValue - new value
+  \param theMode - new mode: 0 - arithmetic, 1 - geometrical progression
+*/
+void SVTK_Viewer::setIncrementalSpeed( const int theValue, const int theMode )
+{
+  myIncrementSpeed = theValue;
+  myIncrementMode = theMode;
+
+  if (SUIT_ViewManager* aViewManager = getViewManager()) {
+    QVector<SUIT_ViewWindow*> aViews = aViewManager->getViews();
+    for ( uint i = 0; i < aViews.count(); i++ )
+    {
+      if ( TViewWindow* aView = dynamic_cast<TViewWindow*>(aViews.at( i )) )
+        aView->SetIncrementalSpeed( theValue, theMode );
+    }
+  }
+}
+
+/*!
+  \return spacemouse button assigned to the specified function
+  \param theIndex - function by number (from 1 to 3)
+*/
+int SVTK_Viewer::spacemouseBtn( const int theIndex ) const
+{
+  if ( theIndex < 1 || theIndex > 3 ) 
+    return -1;
+  return mySpaceBtn[theIndex-1];
+}
+
+/*!
+  Set the spacemouse buttons
+  \param theBtn1, theBtn2, theBtn3 - new buttons
+*/
+void SVTK_Viewer::setSpacemouseButtons( const int theBtn1, const int theBtn2, const int theBtn3 )
+{
+  mySpaceBtn[0] = theBtn1;
+  mySpaceBtn[1] = theBtn2;
+  mySpaceBtn[2] = theBtn3;
+
+  if (SUIT_ViewManager* aViewManager = getViewManager()) {
+    QVector<SUIT_ViewWindow*> aViews = aViewManager->getViews();
+    for ( uint i = 0; i < aViews.count(); i++ )
+    {
+      if ( TViewWindow* aView = dynamic_cast<TViewWindow*>(aViews.at( i )) )
+        aView->SetSpacemouseButtons( theBtn1, theBtn2, theBtn3 );
+    }
+  }
+}
+
 /*!
   Sets new view manager
   \param theViewManager - new view manager
@@ -184,53 +450,46 @@ void SVTK_Viewer::setViewManager(SUIT_ViewManager* theViewManager)
 /*!
   Builds popup for vtk viewer
 */
-void
-SVTK_Viewer
-::contextMenuPopup( QPopupMenu* thePopup )
+void SVTK_Viewer::contextMenuPopup( QMenu* thePopup )
 {
-  thePopup->insertItem( VTKViewer_Viewer::tr( "MEN_DUMP_VIEW" ), this, SLOT( onDumpView() ) );
-  thePopup->insertItem( VTKViewer_Viewer::tr( "MEN_CHANGE_BACKGROUD" ), this, SLOT( onChangeBgColor() ) );
+  thePopup->addAction( VTKViewer_Viewer::tr( "MEN_DUMP_VIEW" ), this, SLOT( onDumpView() ) );
+  thePopup->addAction( VTKViewer_Viewer::tr( "MEN_CHANGE_BACKGROUND" ), this, SLOT( onChangeBackground() ) );
 
-  thePopup->insertSeparator();
+  thePopup->addSeparator();
 
   if(TViewWindow* aView = dynamic_cast<TViewWindow*>(myViewManager->getActiveView())){
-    if ( !aView->getMainWindow()->getToolBar()->isVisible() ){
-      thePopup->insertItem( VTKViewer_Viewer::tr( "MEN_SHOW_TOOLBAR" ), this, SLOT( onShowToolbar() ) );
-    }
+    //Support of several toolbars in the popup menu
+    QList<QToolBar*> lst = qFindChildren<QToolBar*>( aView );
+    QList<QToolBar*>::const_iterator it = lst.begin(), last = lst.end();
+    for( ; it!=last; it++ )
+      thePopup->addAction( (*it)->toggleViewAction() );
+    aView->RefreshDumpImage();
   }
 }
 
 /*!
   SLOT: called on mouse button press, empty implementation
 */
-void 
-SVTK_Viewer
-::onMousePress(SUIT_ViewWindow* vw, QMouseEvent* event)
+void SVTK_Viewer::onMousePress(SUIT_ViewWindow* vw, QMouseEvent* event)
 {}
 
 /*!
   SLOT: called on mouse move, empty implementation
 */
-void 
-SVTK_Viewer
-::onMouseMove(SUIT_ViewWindow* vw, QMouseEvent* event)
+void SVTK_Viewer::onMouseMove(SUIT_ViewWindow* vw, QMouseEvent* event)
 {}
 
 /*!
   SLOT: called on mouse button release, empty implementation
 */
-void 
-SVTK_Viewer
-::onMouseRelease(SUIT_ViewWindow* vw, QMouseEvent* event)
+void SVTK_Viewer::onMouseRelease(SUIT_ViewWindow* vw, QMouseEvent* event)
 {}
 
 /*!
   Enables/disables selection
   \param isEnabled - new state
 */
-void 
-SVTK_Viewer
-::enableSelection(bool isEnabled)
+void SVTK_Viewer::enableSelection(bool isEnabled)
 {
   mySelectionEnabled = isEnabled;
   //!! To be done for view windows
@@ -240,9 +499,7 @@ SVTK_Viewer
   Enables/disables selection of many object
   \param isEnabled - new state
 */
-void
-SVTK_Viewer
-::enableMultiselection(bool isEnable)
+void SVTK_Viewer::enableMultiselection(bool isEnable)
 {
   myMultiSelectionEnabled = isEnable;
   //!! To be done for view windows
@@ -251,9 +508,7 @@ SVTK_Viewer
 /*!
   SLOT: called on dump view operation is activated, stores scene to raster file
 */
-void
-SVTK_Viewer
-::onDumpView()
+void SVTK_Viewer::onDumpView()
 {
   if(SUIT_ViewWindow* aView = myViewManager->getActiveView())
     aView->onDumpView();
@@ -262,38 +517,39 @@ SVTK_Viewer
 /*!
   SLOT: called if background color is to be changed changed, passes new color to view port
 */
-void
-SVTK_Viewer
-::onChangeBgColor()
+void SVTK_Viewer::onChangeBackground()
 {
-  if(SUIT_ViewWindow* aView = myViewManager->getActiveView()){
-    QColor aColor = QColorDialog::getColor( backgroundColor(), aView);
-    setBackgroundColor(aColor);
-  }
-}
+  SVTK_ViewWindow* aView = dynamic_cast<SVTK_ViewWindow*>(myViewManager->getActiveView());
+  if ( !aView )
+    return;
 
-/*!
-  SLOT: called when popup item "Show toolbar" is activated, shows toolbar of active view window
-*/
-void
-SVTK_Viewer
-::onShowToolbar() 
-{
-  QPtrVector<SUIT_ViewWindow> aViews = myViewManager->getViews();
-  for(int i = 0, iEnd = aViews.size(); i < iEnd; i++){
-    if(TViewWindow* aView = dynamic_cast<TViewWindow*>(aViews.at(i))){
-      aView->getMainWindow()->getToolBar()->show();
-    }
-  }
+  // get supported gradient types
+  QStringList gradList;
+  QIntList    idList, txtList;
+  QString     formats = backgroundData( gradList, idList, txtList );
+
+  // invoke dialog box
+  Qtx::BackgroundData bgData = QtxBackgroundDialog::getBackground( aView->background(),  // initial background
+                                                                  aView,                // parent for dialog box
+                                                                  txtList,              // allowed texture modes
+                                                                  true,                 // enable solid color mode
+                                                                  true,                 // enable gradient mode
+                                                                  false,                // disable custom gradient mode
+                                                                  !txtList.isEmpty(),   // enable texture mode
+                                                                  gradList,             // gradient names
+                                                                  idList,               // gradient identifiers
+                                                                  formats );            // image formats
+
+  // set chosen background data to the viewer
+  if ( bgData.isValid() )
+    aView->setBackground( bgData );
 }
 
 /*!
   Display presentation
   \param prs - presentation
 */
-void
-SVTK_Viewer
-::Display( const SALOME_VTKPrs* prs )
+void SVTK_Viewer::Display( const SALOME_VTKPrs* prs )
 {
   // try do downcast object
   if(const SVTK_Prs* aPrs = dynamic_cast<const SVTK_Prs*>( prs )){
@@ -307,29 +563,31 @@ SVTK_Viewer
       // _PTR(Study) aStudy(getStudyDS());
       anActorCollection->InitTraversal();
       while(vtkActor* anActor = anActorCollection->GetNextActor()){
-       if(SALOME_Actor* anAct = SALOME_Actor::SafeDownCast(anActor)){
-         // Set visibility flag
+        if(SALOME_Actor* anAct = SALOME_Actor::SafeDownCast(anActor)){
+          if(!anAct->ShouldBeDisplayed())
+            continue;
+          // Set visibility flag
           // Temporarily commented to avoid awful dependecy on SALOMEDS
           // TODO: better mechanism of storing display/erse status in a study
           // should be provided...
-         //Handle(SALOME_InteractiveObject) anObj = anAct->getIO();
-         //if(!anObj.IsNull() && anObj->hasEntry() && aStudy){
-         //  ToolsGUI::SetVisibility(aStudy,anObj->getEntry(),true,this);
-         //}
-         // just display the object
-         QPtrVector<SUIT_ViewWindow> aViews = myViewManager->getViews();
-         for(int i = 0, iEnd = aViews.size(); i < iEnd; i++){
-           if(SVTK_ViewWindow* aViewWindow = dynamic_cast<SVTK_ViewWindow*>(aViews.at(i))){
-             if(SVTK_View* aView = aViewWindow->getView()){
-               aView->Display(anAct,false);
-               if(anAct->IsSetCamera()){
-                 vtkRenderer* aRenderer = aView->getRenderer();
-                 anAct->SetCamera( aRenderer->GetActiveCamera() );
-               }
-             }
-           }
-         }
-       }
+          //Handle(SALOME_InteractiveObject) anObj = anAct->getIO();
+          //if(!anObj.IsNull() && anObj->hasEntry() && aStudy){
+          //  ToolsGUI::SetVisibility(aStudy,anObj->getEntry(),true,this);
+          //}
+          // just display the object
+          QVector<SUIT_ViewWindow*> aViews = myViewManager->getViews();
+          for(int i = 0, iEnd = aViews.size(); i < iEnd; i++){
+            if(SVTK_ViewWindow* aViewWindow = dynamic_cast<SVTK_ViewWindow*>(aViews.at(i))){
+              if(SVTK_View* aView = aViewWindow->getView()){
+                aView->Display(anAct,false);
+                if(anAct->IsSetCamera()){
+                  vtkRenderer* aRenderer = aView->getRenderer();
+                  anAct->SetCamera( aRenderer->GetActiveCamera() );
+                }
+              }
+            }
+          }
+        }
       }
     }
   }
@@ -340,9 +598,7 @@ SVTK_Viewer
   \param prs - presentation
   \param forced - removes object from view
 */
-void
-SVTK_Viewer
-::Erase( const SALOME_VTKPrs* prs, const bool forced )
+void SVTK_Viewer::Erase( const SALOME_VTKPrs* prs, const bool forced )
 {
   // try do downcast object
   if(const SVTK_Prs* aPrs = dynamic_cast<const SVTK_Prs*>( prs )){
@@ -351,31 +607,33 @@ SVTK_Viewer
     if(vtkActorCollection* anActorCollection = aPrs->GetObjects()){
       // get SALOMEDS Study
       // Temporarily commented to avoid awful dependecy on SALOMEDS
-      // TODO: better mechanism of storing display/erse status in a study
+      // TODO: better mechanism of storing display/erase status in a study
       // should be provided...
       //_PTR(Study) aStudy(getStudyDS());
       anActorCollection->InitTraversal();
       while(vtkActor* anActor = anActorCollection->GetNextActor())
-       if(SALOME_Actor* anAct = SALOME_Actor::SafeDownCast(anActor)){
-         // Set visibility flag
+        if(SALOME_Actor* anAct = SALOME_Actor::SafeDownCast(anActor)){
+          // Set visibility flag
           // Temporarily commented to avoid awful dependecy on SALOMEDS
-          // TODO: better mechanism of storing display/erse status in a study
+          // TODO: better mechanism of storing display/erase status in a study
           // should be provided...
-         //Handle(SALOME_InteractiveObject) anObj = anAct->getIO();
-         //if(!anObj.IsNull() && anObj->hasEntry() && aStudy){
-         //  ToolsGUI::SetVisibility(aStudy,anObj->getEntry(),false,this);
-         //}
-         // just display the object
-         QPtrVector<SUIT_ViewWindow> aViews = myViewManager->getViews();
-         for(int i = 0, iEnd = aViews.size(); i < iEnd; i++){
-           if(SVTK_ViewWindow* aViewWindow = dynamic_cast<SVTK_ViewWindow*>(aViews.at(i)))
-             if(SVTK_View* aView = aViewWindow->getView())
-               if ( forced )
-                 aView->Remove(anAct,false);
-               else
-                 aView->Erase(anAct,forced);
-         }
-       }
+          //Handle(SALOME_InteractiveObject) anObj = anAct->getIO();
+          //if(!anObj.IsNull() && anObj->hasEntry() && aStudy){
+          //  ToolsGUI::SetVisibility(aStudy,anObj->getEntry(),false,this);
+          //}
+          // just display the object
+          QVector<SUIT_ViewWindow*> aViews = myViewManager->getViews();
+          for(int i = 0, iEnd = aViews.size(); i < iEnd; i++){
+            if(SVTK_ViewWindow* aViewWindow = dynamic_cast<SVTK_ViewWindow*>(aViews.at(i)))
+              if(SVTK_View* aView = aViewWindow->getView())
+              {
+                if ( forced )
+                  aView->Remove(anAct,false);
+                else
+                  aView->Erase(anAct,forced);
+              }
+          }
+        }
     }
   }
 }
@@ -384,45 +642,44 @@ SVTK_Viewer
   Erase all presentations
   \param forced - removes all objects from view
 */
-void
-SVTK_Viewer
-::EraseAll( const bool forced )
+void SVTK_Viewer::EraseAll( const bool forced )
 {
   // Temporarily commented to avoid awful dependecy on SALOMEDS
   // TODO: better mechanism of storing display/erse status in a study
   // should be provided...
   //_PTR(Study) aStudy(getStudyDS());
-  QPtrVector<SUIT_ViewWindow> aViews = myViewManager->getViews();
+  QVector<SUIT_ViewWindow*> aViews = myViewManager->getViews();
   for(int i = 0, iEnd = aViews.size(); i < iEnd; i++){
     if(SVTK_ViewWindow* aViewWindow = dynamic_cast<SVTK_ViewWindow*>(aViews.at(i)))
       if(SVTK_View* aView = aViewWindow->getView()){
-       vtkRenderer* aRenderer =  aView->getRenderer();
-       vtkActorCollection* anActorCollection = aRenderer->GetActors();
-       anActorCollection->InitTraversal();
-       while(vtkActor* anActor = anActorCollection->GetNextActor()){
-         if(SALOME_Actor* anAct = SALOME_Actor::SafeDownCast(anActor)){
-           // Set visibility flag
+        vtkRenderer* aRenderer =  aView->getRenderer();
+        VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
+        vtkActorCollection* anActorCollection = aCopy.GetActors();
+        anActorCollection->InitTraversal();
+        while(vtkActor* anActor = anActorCollection->GetNextActor()){
+          if(SALOME_Actor* anAct = SALOME_Actor::SafeDownCast(anActor)){
+            // Set visibility flag
             // Temporarily commented to avoid awful dependecy on SALOMEDS
             // TODO: better mechanism of storing display/erse status in a study
             // should be provided...
-           //Handle(SALOME_InteractiveObject) anObj = anAct->getIO();
-           //if(!anObj.IsNull() && anObj->hasEntry() && aStudy)
-           //  ToolsGUI::SetVisibility(aStudy,anObj->getEntry(),false,this);
-           if(forced)
-             aRenderer->RemoveActor(anAct);
-           else{
-             // just erase actor
-             anAct->SetVisibility( false );
-             // erase dependent actors
-             vtkActorCollection* aCollection = vtkActorCollection::New();
-             anAct->GetChildActors( aCollection );
-             aCollection->InitTraversal();
-             while(vtkActor* aSubAct = aCollection->GetNextActor())
-               aSubAct->SetVisibility( false );
-             aCollection->Delete();
-           }
-         }
-       }
+            //Handle(SALOME_InteractiveObject) anObj = anAct->getIO();
+            //if(!anObj.IsNull() && anObj->hasEntry() && aStudy)
+            //  ToolsGUI::SetVisibility(aStudy,anObj->getEntry(),false,this);
+            if(forced)
+              aRenderer->RemoveActor(anAct);
+            else{
+              // just erase actor
+              anAct->SetVisibility( false );
+              // erase dependent actors
+              vtkActorCollection* aCollection = vtkActorCollection::New();
+              anAct->GetChildActors( aCollection );
+              aCollection->InitTraversal();
+              while(vtkActor* aSubAct = aCollection->GetNextActor())
+                aSubAct->SetVisibility( false );
+              aCollection->Delete();
+            }
+          }
+        }
       }
   }
   Repaint();
@@ -432,57 +689,35 @@ SVTK_Viewer
   Create presentation corresponding to the entry
   \param entry - entry
 */
-SALOME_Prs* 
-SVTK_Viewer
-::CreatePrs( const char* entry )
+SALOME_Prs* SVTK_Viewer::CreatePrs( const char* entry )
 {
   SVTK_Prs* prs = new SVTK_Prs();
   if ( entry ) {
     if(SVTK_ViewWindow* aViewWindow = dynamic_cast<SVTK_ViewWindow*>(getViewManager()->getActiveView()))
       if(SVTK_View* aView = aViewWindow->getView()){
-       vtkRenderer* aRenderer =  aView->getRenderer();
-       vtkActorCollection* theActors = aRenderer->GetActors();
-       theActors->InitTraversal();
-       vtkActor* ac;
-       while( ( ac = theActors->GetNextActor() ) ) {
-         SALOME_Actor* anActor = SALOME_Actor::SafeDownCast( ac );
-         if ( anActor && anActor->hasIO() && !strcmp( anActor->getIO()->getEntry(), entry ) ) {
-           prs->AddObject( ac );
-         }
-       }
+        vtkRenderer* aRenderer =  aView->getRenderer();
+        VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
+        vtkActorCollection* theActors = aCopy.GetActors();
+        theActors->InitTraversal();
+        vtkActor* ac;
+        while( ( ac = theActors->GetNextActor() ) ) {
+          SALOME_Actor* anActor = SALOME_Actor::SafeDownCast( ac );
+          if ( anActor && anActor->hasIO() && !strcmp( anActor->getIO()->getEntry(), entry ) ) {
+            prs->AddObject( ac );
+          }
+        }
       }
   }
   return prs;
 }
 
-/*!
-  Auxiliary method called before displaying of objects
-*/
-void
-SVTK_Viewer
-::BeforeDisplay( SALOME_Displayer* d )
-{
-  d->BeforeDisplay( this, SALOME_VTKViewType() );
-}
-
-/*!
-  Auxiliary method called after displaying of objects
-*/
-void
-SVTK_Viewer::AfterDisplay( SALOME_Displayer* d )
-{
-  d->AfterDisplay( this, SALOME_VTKViewType() );
-}
-
 /*!
   \return true if object is displayed in viewer
   \param obj - object to be checked
 */
-bool
-SVTK_Viewer
-::isVisible( const Handle(SALOME_InteractiveObject)& io )
+bool SVTK_Viewer::isVisible( const Handle(SALOME_InteractiveObject)& io )
 {
-  QPtrVector<SUIT_ViewWindow> aViews = myViewManager->getViews();
+  QVector<SUIT_ViewWindow*> aViews = myViewManager->getViews();
   for(int i = 0, iEnd = aViews.size(); i < iEnd; i++)
     if(SUIT_ViewWindow* aViewWindow = aViews.at(i))
       if(TViewWindow* aViewWnd = dynamic_cast<TViewWindow*>(aViewWindow))
@@ -493,17 +728,41 @@ SVTK_Viewer
   return true;
 }
 
+/*!
+  \Collect objects visible in viewer
+  \param theList - visible objects collection
+*/
+void SVTK_Viewer::GetVisible( SALOME_ListIO& theList )
+{
+  // here we collect object if it is disaplaed even one view
+  QVector<SUIT_ViewWindow*> aViews = myViewManager->getViews();
+  for(int i = 0, iEnd = aViews.size(); i < iEnd; i++)
+    if(SUIT_ViewWindow* aViewWindow = aViews.at(i))
+      if(TViewWindow* aViewWnd = dynamic_cast<TViewWindow*>(aViewWindow))
+        if(SVTK_View* aView = aViewWnd->getView())
+          aView->GetVisible( theList );
+}
+
 /*!
   Updates current viewer
 */
-void 
-SVTK_Viewer
-::Repaint()
+void SVTK_Viewer::Repaint()
 {
 //  if (theUpdateTrihedron) onAdjustTrihedron();
-  QPtrVector<SUIT_ViewWindow> aViews = myViewManager->getViews();
+  QVector<SUIT_ViewWindow*> aViews = myViewManager->getViews();
   for(int i = 0, iEnd = aViews.size(); i < iEnd; i++)
     if(TViewWindow* aViewWindow = dynamic_cast<TViewWindow*>(aViews.at(i)))
       if(SVTK_View* aView = aViewWindow->getView())
-       aView->Repaint();
+        aView->Repaint();
+}
+
+void SVTK_Viewer::onActorAdded(VTKViewer_Actor* theActor)
+{
+  emit actorAdded((SVTK_ViewWindow*)sender(), theActor);
+}
+
+void SVTK_Viewer::onActorRemoved(VTKViewer_Actor* theActor)
+{
+  emit actorRemoved((SVTK_ViewWindow*)sender(), theActor);
 }