From 143a47bf142b84ed31f0048c628732d71e1b9c15 Mon Sep 17 00:00:00 2001
From: apo <apo@opencascade.com>
Date: Mon, 27 Nov 2006 09:03:18 +0000
Subject: [PATCH] To implement more intellegent view handling

---
 src/VISU_I/VISU_ColoredPrs3dCache_i.cc | 42 ++++++++++++++++++++------
 src/VISU_I/VISU_ViewManager_i.hh       | 25 ++++++++++++---
 2 files changed, 53 insertions(+), 14 deletions(-)

diff --git a/src/VISU_I/VISU_ColoredPrs3dCache_i.cc b/src/VISU_I/VISU_ColoredPrs3dCache_i.cc
index 61c8c4a3..f3e61fa1 100644
--- a/src/VISU_I/VISU_ColoredPrs3dCache_i.cc
+++ b/src/VISU_I/VISU_ColoredPrs3dCache_i.cc
@@ -28,8 +28,8 @@
 
 #include "VISU_ColoredPrs3dHolder_i.hh"
 #include "VISU_ColoredPrs3dFactory.hh"
-#include "VISU_View_i.hh"
 #include "VISU_ViewManager_i.hh"
+#include "VISU_View_i.hh"
 
 #include "VISU_Convertor.hxx"
 #include "VISU_PipeLine.hxx"
@@ -37,6 +37,12 @@
 #include "VVTK_ViewWindow.h"
 #include "SUIT_ResourceMgr.h"
 
+#include "VTKViewer_Algorithm.h"
+#include "SVTK_Functor.h"
+
+#include <vtkActorCollection.h>
+#include <vtkRenderer.h>
+
 #ifdef _DEBUG_
 static int MYDEBUG = 0;
 #else
@@ -402,14 +408,32 @@ VISU::ColoredPrs3dCache_i
   aPrs3d->SetTimeStampNumber(theInput.myTimeStampNumber);
   aPrs3d->SameAs(thePrs);
   if(!CORBA::is_nil(theView3D)){
-    if(aPrs3d != aLastVisitedPrs3d){
-      VISU::ColoredPrs3d_var aColoredPrs3d = aLastVisitedPrs3d->_this();
-      theView3D->Erase(aColoredPrs3d);
-      aColoredPrs3d = aPrs3d->_this();
-      theView3D->Display(aColoredPrs3d);
-    }else
-      theView3D->Update();
-    return true;
+    PortableServer::ServantBase_var aServant = GetServant(theView3D);
+    if(VISU::View3D_i* aView3d = dynamic_cast<VISU::View3D_i*>(aServant.in())){
+      if(SUIT_ViewWindow* aView = aView3d->GetViewWindow()){
+	if(SVTK_ViewWindow* aViewWindow = dynamic_cast<SVTK_ViewWindow*>(aView)){
+	  if(aPrs3d != aLastVisitedPrs3d){
+	    vtkRenderer* aRenderer = aViewWindow->getRenderer();
+	    vtkActorCollection* anActors = aRenderer->GetActors();
+	    Handle(SALOME_InteractiveObject) anIO = aPrs3d->GetIO();
+	    SVTK::ForEachIf<VISU_Actor>(anActors,
+					SVTK::TIsSameIObject<SALOME_Actor>(anIO),
+					SVTK::TSetVisibility<VISU_Actor>(false));
+	    VISU_Actor* anActor = 
+	      SVTK::Find<VISU_Actor>(anActors,
+				     VISU::TIsSamePrs3d(aPrs3d));
+	    if(!anActor){
+	      anActor = aPrs3d->CreateActor();
+	      aViewWindow->AddActor(anActor);
+	    }else
+	      anActor->SetVisibility(true);
+	    anActor->UpdateFromFactory();
+	  }
+	  aViewWindow->Repaint();
+	  return true;
+	}
+      }
+    }
   }
 
   return false;
diff --git a/src/VISU_I/VISU_ViewManager_i.hh b/src/VISU_I/VISU_ViewManager_i.hh
index 2fc22558..ba4e7c4c 100644
--- a/src/VISU_I/VISU_ViewManager_i.hh
+++ b/src/VISU_I/VISU_ViewManager_i.hh
@@ -28,11 +28,10 @@
 #define VISU_ViewManager_i_HeaderFile
 
 #include "VISUConfig.hh"
+#include "VISU_Actor.h"
 
 class SalomeApp_Application;
 
-class VISU_Actor;
-
 class SUIT_ViewWindow;
 
 class SVTK_ViewWindow;
@@ -42,7 +41,8 @@ class vtkRenderer;
 class vtkCamera;
 
 
-namespace VISU {
+namespace VISU 
+{
   class Prs3d_i;
   class Curve_i;
 
@@ -73,10 +73,25 @@ namespace VISU {
   VISU_Actor* UpdateViewer (SUIT_ViewWindow* theViewWindow, int theDisplaing, Prs3d_i* thePrs = NULL);
   void UpdatePlot2d (Plot2d_ViewFrame *theView, int theDisplaying, Curve_i* theCurve);
 
-  VISU_Actor* GetActor (VISU::Prs3d_i* thePrs, SVTK_ViewWindow* theViewWindow);
-
   void DeleteActors (VISU::Prs3d_i* thePrs);
   void DeleteActors (VISU::Curve_i* thePrs);
+
+  VISU_Actor* GetActor (VISU::Prs3d_i* thePrs, SVTK_ViewWindow* theViewWindow);
+
+  struct TIsSamePrs3d
+  {
+    VISU::Prs3d_i* myPrs3d;
+
+    TIsSamePrs3d(VISU::Prs3d_i* thePrs3d):
+      myPrs3d(thePrs3d)
+    {}
+    
+    bool
+    operator()(VISU_Actor* theActor) 
+    {
+      return theActor->GetPrs3d() == myPrs3d;
+    }
+  };
 }
 
 #endif
-- 
2.39.2