Salome HOME
#28928 [CEA] FIELDS : developer documentation for the simplified visualisation
[modules/med.git] / src / MEDCalc / gui / PresentationController.cxx
index b6cbe19c191845f3d93b35d4c651b6ddc1d75ff9..93c5eef0c191c752a5adb6654b1f59368f789503 100644 (file)
@@ -1,4 +1,4 @@
-// Copyright (C) 2016  CEA/DEN, EDF R&D
+// Copyright (C) 2016-2021  CEA/DEN, EDF R&D
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 //
 
 #include "PresentationController.hxx"
-#include "DatasourceConstants.hxx"
+#include <MEDCalcConstants.hxx>
 #include "MEDModule.hxx"
 #include "Basics_Utils.hxx"
 #include "QtxActionGroup.h"
 #include "QtxActionToolMgr.h"
 #include "MEDFactoryClient.hxx"
+#include "MEDPresentationManager_i.hxx"
+#include "XmedConsoleDriver.hxx"
+
+#include "MEDPresentationMeshView.hxx"
+#include "MEDPresentationScalarMap.hxx"
+#include "MEDPresentationContour.hxx"
+#include "MEDPresentationSlices.hxx"
+#include "MEDPresentationPointSprite.hxx"
+#include "MEDPresentationVectorField.hxx"
+#include "MEDPresentationPlot3D.hxx"
+#include "MEDPresentationStreamLines.hxx"
+#include "MEDPresentationCutSegment.hxx"
+#include "MEDPresentationDeflectionShape.hxx"
+
+#include "MEDWidgetHelperMeshView.hxx"
+#include "MEDWidgetHelperScalarMap.hxx"
+#include "MEDWidgetHelperContour.hxx"
+#include "MEDWidgetHelperSlices.hxx"
+#include "MEDWidgetHelperPointSprite.hxx"
+#include "MEDWidgetHelperPlot3D.hxx"
+#include "MEDWidgetHelperStreamLines.hxx"
+#include "MEDWidgetHelperCutSegment.hxx"
+#include "MEDWidgetHelperVectorField.hxx"
+#include "MEDWidgetHelperDeflectionShape.hxx"
 
 #include <SalomeApp_Application.h>
 #include <SalomeApp_Study.h>
 #include <SalomeApp_DataObject.h>
 
+#include <SALOME_ListIO.hxx>
+#include <LightApp_SelectionMgr.h>
+
 #include <SALOMEDS_SObject.hxx>
 #include <SALOMEDS_Study.hxx>
 
 #include <SUIT_Session.h>
 #include <SUIT_ResourceMgr.h>
 #include <QMessageBox>
-#include <QDockWidget>
+#include <sstream>
+#include <regex>
+
+#include "MEDFactoryClient.hxx"
 
-PresentationController::PresentationController(MEDModule* salomeModule)
+static const int OPTIONS_VIEW_MODE_ID = 943;
+static const int OPTIONS_VIEW_MODE_REPLACE_ID = 944;
+static const int OPTIONS_VIEW_MODE_OVERLAP_ID = 945;
+static const int OPTIONS_VIEW_MODE_NEW_LAYOUT_ID = 946;
+static const int OPTIONS_VIEW_MODE_SPLIT_VIEW_ID = 947;
+
+//! The only instance of the MEDPresentationManager
+MEDCALC::MEDPresentationManager_ptr PresentationController::_presManager;
+
+PresentationController::PresentationController(MEDModule* salomeModule) :
+        _salomeModule(salomeModule),
+        _consoleDriver(0),
+        _studyEditor(salomeModule->getStudyEditor()),
+        _presHelperMap(),
+        _currentWidgetHelper(0)
 {
   STDLOG("Creating a PresentationController");
-  _salomeModule = salomeModule;
-  _studyEditor = _salomeModule->getStudyEditor();
 
   _widgetPresentationParameters = new WidgetPresentationParameters();
 
   QMainWindow* parent = salomeModule->getApp()->desktop();
-  QDockWidget *dockWidget = new QDockWidget(parent);
-  dockWidget->setVisible(false);
-  dockWidget->setWindowTitle(tr("TITLE_PRESENTATION_PARAMETERS"));
-  dockWidget->setObjectName(tr("TITLE_PRESENTATION_PARAMETERS"));
-  dockWidget->setFeatures(QDockWidget::AllDockWidgetFeatures);
-  dockWidget->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
-  dockWidget->setWidget(_widgetPresentationParameters);
-  parent->addDockWidget(Qt::LeftDockWidgetArea, dockWidget);
-  dockWidget->show();
+  _dockWidget = new QDockWidget(parent);
+  _dockWidget->setVisible(false);
+  _dockWidget->setWindowTitle(tr("TITLE_PRESENTATION_PARAMETERS"));
+  _dockWidget->setObjectName(tr("TITLE_PRESENTATION_PARAMETERS"));
+  _dockWidget->setFeatures(QDockWidget::AllDockWidgetFeatures);
+  _dockWidget->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
+  _dockWidget->setWidget(_widgetPresentationParameters);
+  parent->addDockWidget(Qt::LeftDockWidgetArea, _dockWidget);
+  //_dockWidget->show();
+
+  // Retrieve MEDFactory to get MEDPresentationManager (sometimes GUI needs to talk to the engine directly)
+  if ( ! _presManager ) {
+      _presManager = MEDFactoryClient::getFactory()->getPresentationManager();
+  }
+
+  // Connect to the click in the object browser
+  connect(salomeModule, SIGNAL( presentationSelected(int , const QString&, const QString&) ),
+          this, SLOT(onPresentationSelected(int , const QString&, const QString&) )     );
 }
 
 PresentationController::~PresentationController()
 {
-  STDLOG("Deleting the PresentationController");
+  STDLOG("Deleting the resentationController");
+  // Clean allocated widget helpers:
+  for ( std::map<int, MEDWidgetHelper *>::iterator it = _presHelperMap.begin(); it != _presHelperMap.end(); ++it)
+    delete((*it).second);
 }
 
 std::string
@@ -73,9 +127,9 @@ PresentationController::_getIconName(const std::string& name)
   // Read value from preferences and suffix name to select icon theme
   int theme = mgr->integerValue("MEDCalc", "icons");
   if (theme == 0) {
-    return name + "_MODERN";
+      return name + "_MODERN";
   } else if (theme == 1) {
-    return name + "_CLASSIC";
+      return name + "_CLASSIC";
   }
   return name + "_DEFAULT";
 }
@@ -85,15 +139,56 @@ PresentationController::createActions()
 {
   STDLOG("Creating PresentationController actions");
 
-  int presentationToolbarId = _salomeModule->createTool("View Mode", "PresentationToolbar");
-  int presentationMenuId = _salomeModule->createMenu(tr("MENU_PRESENTATIONS"), -1, 1);
+  // View Mode
+  int viewModeToolbarId = _salomeModule->createTool("View Mode", "ViewModeToolbar");
+  QtxActionGroup* ag = _salomeModule->createActionGroup(OPTIONS_VIEW_MODE_ID, true);
+  ag->setText("View mode");
+  ag->setUsesDropDown(true);
+  QString label   = tr("LAB_VIEW_MODE_REPLACE");
+  QString tooltip = tr("TIP_VIEW_MODE_REPLACE");
+  QAction* a = _salomeModule->createAction(OPTIONS_VIEW_MODE_REPLACE_ID,label,QIcon(),label,tooltip,0);
+  a->setCheckable(true);
+  a->setChecked(true);
+  ag->add(a);
+
+  label   = tr("LAB_VIEW_MODE_OVERLAP");
+  tooltip = tr("TIP_VIEW_MODE_OVERLAP");
+  a = _salomeModule->createAction(OPTIONS_VIEW_MODE_OVERLAP_ID,label,QIcon(),label,tooltip,0);
+  a->setCheckable(true);
+  ag->add(a);
+
+  label   = tr("LAB_VIEW_MODE_NEW_LAYOUT");
+  tooltip = tr("TIP_VIEW_MODE_NEW_LAYOUT");
+  a = _salomeModule->createAction(OPTIONS_VIEW_MODE_NEW_LAYOUT_ID,label,QIcon(),label,tooltip,0);
+  a->setCheckable(true);
+  ag->add(a);
+
+  label   = tr("LAB_VIEW_MODE_SPLIT_VIEW");
+  tooltip = tr("TIP_VIEW_MODE_SPLIT_VIEW");
+  a = _salomeModule->createAction(OPTIONS_VIEW_MODE_SPLIT_VIEW_ID,label,QIcon(),label,tooltip,0);
+  a->setCheckable(true);
+  ag->add(a);
+
+  _salomeModule->createTool(OPTIONS_VIEW_MODE_ID, viewModeToolbarId);
 
   // Presentations
-  QString label   = tr("LAB_PRESENTATION_SCALAR_MAP");
-  QString tooltip = tr("TIP_PRESENTATION_SCALAR_MAP");
-  QString icon = tr(_getIconName("ICO_PRESENTATION_SCALAR_MAP").c_str());
+  int presentationToolbarId = _salomeModule->createTool("Presentations", "PresentationToolbar");
+  int presentationMenuId = _salomeModule->createMenu(tr("MENU_PRESENTATIONS"), -1, -1, 10);
+
+  label   = tr("LAB_PRESENTATION_MESH_VIEW");
+  tooltip = tr("TIP_PRESENTATION_MESH_VIEW");
+  QString icon = tr(_getIconName("ICO_PRESENTATION_MESH_VIEW").c_str());
   int actionId;
-  actionId = _salomeModule->createStandardAction(label,this, SLOT(OnVisualizeScalarMap()),icon,tooltip);
+  actionId = _salomeModule->createStandardAction(label,this, SLOT(onVisualizeMeshView()),icon,tooltip);
+  _salomeModule->createTool(actionId, presentationToolbarId);
+  _salomeModule->action(actionId)->setIconVisibleInMenu(true);
+  _salomeModule->createMenu(actionId, presentationMenuId);
+
+  label   = tr("LAB_PRESENTATION_SCALAR_MAP");
+  tooltip = tr("TIP_PRESENTATION_SCALAR_MAP");
+  icon = tr(_getIconName("ICO_PRESENTATION_SCALAR_MAP").c_str());
+  actionId = _salomeModule->createStandardAction(label, this, SLOT(onVisualizeScalarMap()),
+                                                 icon, tooltip, FIELDSOp::OpScalarMap);
   _salomeModule->createTool(actionId, presentationToolbarId);
   _salomeModule->action(actionId)->setIconVisibleInMenu(true);
   _salomeModule->createMenu(actionId, presentationMenuId);
@@ -101,7 +196,8 @@ PresentationController::createActions()
   label   = tr("LAB_PRESENTATION_CONTOUR");
   tooltip = tr("TIP_PRESENTATION_CONTOUR");
   icon    = tr(_getIconName("ICO_PRESENTATION_CONTOUR").c_str());
-  actionId = _salomeModule->createStandardAction(label,this, SLOT(OnVisualizeContour()),icon,tooltip);
+  actionId = _salomeModule->createStandardAction(label, this, SLOT(onVisualizeContour()),
+                                                 icon, tooltip, FIELDSOp::OpContour);
   _salomeModule->createTool(actionId, presentationToolbarId);
   _salomeModule->action(actionId)->setIconVisibleInMenu(true);
   _salomeModule->createMenu(actionId, presentationMenuId);
@@ -109,7 +205,8 @@ PresentationController::createActions()
   label   = tr("LAB_PRESENTATION_VECTOR_FIELD");
   tooltip = tr("TIP_PRESENTATION_VECTOR_FIELD");
   icon    = tr(_getIconName("ICO_PRESENTATION_VECTOR_FIELD").c_str());
-  actionId = _salomeModule->createStandardAction(label,this, SLOT(OnVisualizeVectorField()),icon,tooltip);
+  actionId = _salomeModule->createStandardAction(label, this, SLOT(onVisualizeVectorField()),
+                                                 icon, tooltip, FIELDSOp::OpVectorFields);
   _salomeModule->createTool(actionId, presentationToolbarId);
   _salomeModule->action(actionId)->setIconVisibleInMenu(true);
   _salomeModule->createMenu(actionId, presentationMenuId);
@@ -117,7 +214,8 @@ PresentationController::createActions()
   label   = tr("LAB_PRESENTATION_SLICES");
   tooltip = tr("TIP_PRESENTATION_SLICES");
   icon    = tr(_getIconName("ICO_PRESENTATION_SLICES").c_str());
-  actionId = _salomeModule->createStandardAction(label,this, SLOT(OnVisualizeSlices()),icon,tooltip);
+  actionId = _salomeModule->createStandardAction(label, this, SLOT(onVisualizeSlices()),
+                                                 icon, tooltip, FIELDSOp::OpSlices);
   _salomeModule->createTool(actionId, presentationToolbarId);
   _salomeModule->action(actionId)->setIconVisibleInMenu(true);
   _salomeModule->createMenu(actionId, presentationMenuId);
@@ -125,7 +223,8 @@ PresentationController::createActions()
   label   = tr("LAB_PRESENTATION_DEFLECTION_SHAPE");
   tooltip = tr("TIP_PRESENTATION_DEFLECTION_SHAPE");
   icon    = tr(_getIconName("ICO_PRESENTATION_DEFLECTION_SHAPE").c_str());
-  actionId = _salomeModule->createStandardAction(label,this, SLOT(OnVisualizeDeflectionShape()),icon,tooltip);
+  actionId = _salomeModule->createStandardAction(label, this, SLOT(onVisualizeDeflectionShape()),
+                                                 icon, tooltip, FIELDSOp::OpDeflectionShape);
   _salomeModule->createTool(actionId, presentationToolbarId);
   _salomeModule->action(actionId)->setIconVisibleInMenu(true);
   _salomeModule->createMenu(actionId, presentationMenuId);
@@ -133,124 +232,783 @@ PresentationController::createActions()
   label   = tr("LAB_PRESENTATION_POINT_SPRITE");
   tooltip = tr("TIP_PRESENTATION_POINT_SPRITE");
   icon    = tr(_getIconName("ICO_PRESENTATION_POINT_SPRITE").c_str());
-  actionId = _salomeModule->createStandardAction(label,this, SLOT(OnVisualizePointSprite()),icon,tooltip);
+  actionId = _salomeModule->createStandardAction(label, this, SLOT(onVisualizePointSprite()),
+                                                 icon, tooltip, FIELDSOp::OpPointSprite);
+  _salomeModule->createTool(actionId, presentationToolbarId);
+  _salomeModule->action(actionId)->setIconVisibleInMenu(true);
+  _salomeModule->createMenu(actionId, presentationMenuId);
+
+  // sphinx doc: begin of plot3d gui items
+  label   = tr("LAB_PRESENTATION_PLOT3D");
+  tooltip = tr("TIP_PRESENTATION_PLOT3D");
+  icon    = tr(_getIconName("ICO_PRESENTATION_PLOT3D").c_str());
+  actionId = _salomeModule->createStandardAction(label, this, SLOT(onVisualizePlot3D()),
+                                                 icon, tooltip, FIELDSOp::OpPlot3D);
+  _salomeModule->createTool(actionId, presentationToolbarId);
+  _salomeModule->action(actionId)->setIconVisibleInMenu(true);
+  _salomeModule->createMenu(actionId, presentationMenuId);
+  // sphinx doc: end of plot3d gui items
+
+  label   = tr("LAB_PRESENTATION_STREAM_LINES");
+  tooltip = tr("TIP_PRESENTATION_STREAM_LINES");
+  icon    = tr(_getIconName("ICO_PRESENTATION_STREAM_LINES").c_str());
+  actionId = _salomeModule->createStandardAction(label, this, SLOT(onVisualizeStreamLines()),
+                                                 icon, tooltip, FIELDSOp::OpStreamLines);
   _salomeModule->createTool(actionId, presentationToolbarId);
   _salomeModule->action(actionId)->setIconVisibleInMenu(true);
   _salomeModule->createMenu(actionId, presentationMenuId);
+
+  label   = tr("LAB_PRESENTATION_CUT_SEGMENT");
+  tooltip = tr("TIP_PRESENTATION_CUT_SEGMENT");
+  icon    = tr(_getIconName("ICO_PRESENTATION_CUT_SEGMENT").c_str());
+  actionId = _salomeModule->createStandardAction(label, this, SLOT(onVisualizeCutSegment()),
+                                                 icon, tooltip, FIELDSOp::OpCutSegment);
+  _salomeModule->createTool(actionId, presentationToolbarId);
+  _salomeModule->action(actionId)->setIconVisibleInMenu(true);
+  _salomeModule->createMenu(actionId, presentationMenuId);
+
+
+  // Separator
+  _salomeModule->createMenu(_salomeModule->separator(), presentationMenuId);
+
+  label   = tr("LAB_DELETE_PRESENTATION");
+  tooltip = tr("TIP_DELETE_PRESENTATION");
+  icon    = tr("ICO_DELETE_PRESENTATION");
+  actionId = _salomeModule->createStandardAction(label,this, SLOT(onDeletePresentation()),icon,tooltip);
+  //  _salomeModule->createTool(actionId, presentationToolbarId);
+  //  _salomeModule->action(actionId)->setIconVisibleInMenu(true);
+  _salomeModule->createMenu(actionId, presentationMenuId);
+
+  // Low level PARAVIS dump
+  label = tr("LAB_PARAVIS_DUMP");
+  tooltip = tr("TIP_PARAVIS_DUMP");
+  actionId = _salomeModule->createStandardAction(label,this,SLOT(onParavisDump()),"");
+  _salomeModule->createMenu(actionId, presentationMenuId);
+
+  //
+  // Actions for popup menu only
+  //
+
 }
 
-MEDCALC::MEDPresentationViewMode
-PresentationController::getSelectedViewMode()
+MEDCALC::ViewModeType
+PresentationController::getSelectedViewMode() const
 {
-  return _widgetPresentationParameters->getViewMode();
+  if (_salomeModule->action(OPTIONS_VIEW_MODE_REPLACE_ID)->isChecked()) {
+      return MEDCALC::VIEW_MODE_REPLACE;
+  }
+  else if (_salomeModule->action(OPTIONS_VIEW_MODE_OVERLAP_ID)->isChecked()) {
+      return MEDCALC::VIEW_MODE_OVERLAP;
+  }
+  else if (_salomeModule->action(OPTIONS_VIEW_MODE_NEW_LAYOUT_ID)->isChecked()) {
+      return MEDCALC::VIEW_MODE_NEW_LAYOUT;
+  }
+  else if (_salomeModule->action(OPTIONS_VIEW_MODE_SPLIT_VIEW_ID)->isChecked()) {
+      return MEDCALC::VIEW_MODE_SPLIT_VIEW;
+  }
+  // Should not happen
+  STDLOG("Strange!! No matching view mode found - returning VIEW_MODE_REPLACE.");
+  return MEDCALC::VIEW_MODE_REPLACE;
 }
 
-MEDCALC::MEDPresentationColorMap
-PresentationController::getSelectedColorMap()
+MEDCALC::ColorMapType
+PresentationController::getSelectedColorMap() const
 {
   return _widgetPresentationParameters->getColorMap();
 }
 
+MEDCALC::ScalarBarRangeType
+PresentationController::getSelectedScalarBarRange() const
+{
+  return _widgetPresentationParameters->getScalarBarRange();
+}
+
 void
 PresentationController::visualize(PresentationEvent::EventType eventType)
 {
-  // We need a _studyEditor updated on the active study
-  _studyEditor->updateActiveStudy();
-
   // Get the selected objects in the study (SObject)
   SALOME_StudyEditor::SObjectList* listOfSObject = _studyEditor->getSelectedObjects();
 
   // For each object, emit a signal to the workspace to request a
   // visualisation using the tui command (so that the user can see how
   // to make a view of an object from the tui console).
-  for (int i=0; i<listOfSObject->size(); i++) {
-    SALOMEDS::SObject_var soField = listOfSObject->at(i);
-    int fieldId = _studyEditor->getParameterInt(soField,OBJECT_ID);
-    // If fieldId equals -1, then it means that it is not a field
-    // managed by the MED module, and we stop this function process.
-    if ( fieldId < 0 )
-      continue;
-
-    MEDCALC::FieldHandler* fieldHandler = MEDFactoryClient::getDataManager()->getFieldHandler(fieldId);
-    if (! fieldHandler) {
-      QMessageBox::warning(_salomeModule->getApp()->desktop(),
-         tr("Operation not allowed"),
-         tr("No field is defined"));
-      return;
-    }
-
-    PresentationEvent* event = new PresentationEvent();
-    event->eventtype = eventType;
-    XmedDataObject* dataObject = new XmedDataObject();
-    dataObject->setFieldHandler(*fieldHandler);
-    event->objectdata = dataObject;
-    emit presentationSignal(event); // --> WorkspaceController::processPresentationEvent
+  for (int i=0; i<(int)listOfSObject->size(); i++) {
+      SALOMEDS::SObject_var soObj = listOfSObject->at(i);
+      std::string name(_studyEditor->getName(soObj));
+      if (soObj->_is_nil() || name == "MEDCalc")
+        return;
+      int fieldId = _salomeModule->getIntParamFromStudyEditor(soObj, FIELD_ID);
+      int meshId = _salomeModule->getIntParamFromStudyEditor(soObj, MESH_ID);
+      MEDCALC::FieldHandler* fieldHandler = 0;
+      MEDCALC::MeshHandler* meshHandler = 0;
+
+      // is it a mesh?
+      if (meshId >= 0)
+        {
+          if (eventType != PresentationEvent::EVENT_VIEW_OBJECT_MESH_VIEW)
+            continue;
+          meshHandler = MEDFactoryClient::getDataManager()->getMeshHandler(meshId);
+        }
+      else
+        {
+          if (fieldId < 0)  // is it a field series?
+            {
+              int fieldSeriesId = _salomeModule->getIntParamFromStudyEditor(soObj, FIELD_SERIES_ID);
+              // If fieldId and fieldSeriesId equals -1, then it means that it is not a field
+              // managed by the MED module, and we stop this function process.
+              if ( fieldSeriesId < 0)
+                  continue;
+
+              // get the current timestamp
+              double timestamp = _salomeModule->getCurrentAnimationTimestamp();
+              // get the field id a the current timestamp
+              fieldId = MEDFactoryClient::getDataManager()->getFieldIdAtTimestamp(fieldSeriesId, timestamp);
+            }
+          fieldHandler = MEDFactoryClient::getDataManager()->getFieldHandler(fieldId);
+        }
+
+      if ((!fieldHandler) && (!meshHandler)) {
+          QMessageBox::warning(_salomeModule->getApp()->desktop(),
+                               tr("Operation not allowed"),
+                               tr("No field (or mesh) is defined"));
+          return;
+      }
+
+      PresentationEvent* event = new PresentationEvent();
+      event->eventtype = eventType;
+      event->fieldHandler = fieldHandler;
+      event->meshHandler = meshHandler;
+      emit presentationSignal(event); // --> processPresentationEvent()
   }
 }
 
 void
-PresentationController::OnVisualizeScalarMap()
+PresentationController::onVisualizeMeshView()
+{
+  this->visualize(PresentationEvent::EVENT_VIEW_OBJECT_MESH_VIEW);
+}
+
+void
+PresentationController::onVisualizeScalarMap()
 {
   this->visualize(PresentationEvent::EVENT_VIEW_OBJECT_SCALAR_MAP);
 }
 
 void
-PresentationController::OnVisualizeContour()
+PresentationController::onVisualizeContour()
 {
   this->visualize(PresentationEvent::EVENT_VIEW_OBJECT_CONTOUR);
 }
 
 void
-PresentationController::OnVisualizeVectorField()
+PresentationController::onVisualizeVectorField()
 {
   this->visualize(PresentationEvent::EVENT_VIEW_OBJECT_VECTOR_FIELD);
 }
 
 void
-PresentationController::OnVisualizeSlices()
+PresentationController::onVisualizeSlices()
 {
   this->visualize(PresentationEvent::EVENT_VIEW_OBJECT_SLICES);
 }
 
 void
-PresentationController::OnVisualizeDeflectionShape()
+PresentationController::onVisualizeDeflectionShape()
 {
   this->visualize(PresentationEvent::EVENT_VIEW_OBJECT_DEFLECTION_SHAPE);
 }
 
 void
-PresentationController::OnVisualizePointSprite()
+PresentationController::onVisualizePointSprite()
 {
   this->visualize(PresentationEvent::EVENT_VIEW_OBJECT_POINT_SPRITE);
 }
 
+// sphinx doc: begin of onVisualizePlot3D
+void
+PresentationController::onVisualizePlot3D()
+{
+  this->visualize(PresentationEvent::EVENT_VIEW_OBJECT_PLOT3D);
+}
+// sphinx doc: end of onVisualizePlot3D
+
+void
+PresentationController::onVisualizeStreamLines()
+{
+  this->visualize(PresentationEvent::EVENT_VIEW_OBJECT_STREAM_LINES);
+}
+
+void
+PresentationController::onVisualizeCutSegment()
+{
+  // Cut segment presentation "creates" new view, so switch off visibility state update 
+  // because pqActiveObjects::viewChanged is emmited 
+  _salomeModule->visibilityStateUpdateOff();
+  this->visualize(PresentationEvent::EVENT_VIEW_OBJECT_CUT_SEGMENT);
+  _salomeModule->visibilityStateUpdateOn();
+  _salomeModule->updateVisibilityState();
+}
+
+void
+PresentationController::onDeletePresentation()
+{
+  // Get the selected objects in the study (SObject)
+  SALOME_StudyEditor::SObjectList* listOfSObject = _studyEditor->getSelectedObjects();
+
+  // For each object, emit a signal to the workspace to request pres deletion
+  for (int i=0; i<(int)listOfSObject->size(); i++) {
+      SALOMEDS::SObject_var soPres = listOfSObject->at(i);
+      std::string name(_studyEditor->getName(soPres));
+      if (soPres->_is_nil() || name == "MEDCalc")
+        return;
+      int presId = _salomeModule->getIntParamFromStudyEditor(soPres,PRESENTATION_ID);
+      // If fieldId equals -1, then it means that it is not a field
+      // managed by the MED module, and we stop this function process.
+      if ( presId < 0 )
+        continue;
+
+      PresentationEvent* event = new PresentationEvent();
+      event->eventtype = PresentationEvent::EVENT_DELETE_PRESENTATION;
+      event->presentationId = presId;
+      emit presentationSignal(event); // --> processPresentationEvent()
+  }
+}
+
+QString
+PresentationController::getViewModePython() const
+{
+  MEDCALC::ViewModeType viewMode = getSelectedViewMode();
+  switch(viewMode) {
+    case MEDCALC::VIEW_MODE_REPLACE: return "MEDCALC.VIEW_MODE_REPLACE";
+    case MEDCALC::VIEW_MODE_OVERLAP: return "MEDCALC.VIEW_MODE_OVERLAP";
+    case MEDCALC::VIEW_MODE_NEW_LAYOUT: return "MEDCALC.VIEW_MODE_NEW_LAYOUT";
+    case MEDCALC::VIEW_MODE_SPLIT_VIEW: return "MEDCALC.VIEW_MODE_SPLIT_VIEW";
+  }
+  return QString();
+}
+
+QString
+PresentationController::getColorMapPython() const
+{
+  MEDCALC::ColorMapType colorMap = getSelectedColorMap();
+  switch(colorMap) {
+    case MEDCALC::COLOR_MAP_BLUE_TO_RED_RAINBOW: return "MEDCALC.COLOR_MAP_BLUE_TO_RED_RAINBOW";
+    case MEDCALC::COLOR_MAP_COOL_TO_WARM: return "MEDCALC.COLOR_MAP_COOL_TO_WARM";
+  }
+  return QString();
+}
+
+QString
+PresentationController::getScalarBarRangePython() const
+{
+  MEDCALC::ScalarBarRangeType scalarBarRange = getSelectedScalarBarRange();
+  switch(scalarBarRange) {
+    case MEDCALC::SCALAR_BAR_ALL_TIMESTEPS: return "MEDCALC.SCALAR_BAR_ALL_TIMESTEPS";
+    case MEDCALC::SCALAR_BAR_CURRENT_TIMESTEP: return "MEDCALC.SCALAR_BAR_CURRENT_TIMESTEP";
+    case MEDCALC::SCALAR_BAR_CUSTOM_RANGE: return "MEDCALC.SCALAR_BAR_CUSTOM_RANGE";
+  }
+  return QString();
+}
+
+QString
+PresentationController::getMeshModePython(const int mode) const
+{
+  MEDCALC::MeshModeType mod = static_cast<MEDCALC::MeshModeType>(mode);
+  switch(mod) {
+    case MEDCALC::MESH_MODE_WIREFRAME:     return "MEDCALC.MESH_MODE_WIREFRAME";
+    case MEDCALC::MESH_MODE_SURFACE:       return "MEDCALC.MESH_MODE_SURFACE";
+    case MEDCALC::MESH_MODE_SURFACE_EDGES: return "MEDCALC.MESH_MODE_SURFACE_EDGES";
+  }
+  return QString();
+}
+
+QString
+PresentationController::getSliceOrientationPython(const int orientation) const
+{
+  MEDCALC::SliceOrientationType orient = static_cast<MEDCALC::SliceOrientationType>(orientation);
+  switch(orient) {
+    case MEDCALC::SLICE_NORMAL_TO_X:   return "MEDCALC.SLICE_NORMAL_TO_X";
+    case MEDCALC::SLICE_NORMAL_TO_Y:   return "MEDCALC.SLICE_NORMAL_TO_Y";
+    case MEDCALC::SLICE_NORMAL_TO_Z:   return "MEDCALC.SLICE_NORMAL_TO_Z";
+    case MEDCALC::SLICE_NORMAL_TO_XY:  return "MEDCALC.SLICE_NORMAL_TO_XY";
+    case MEDCALC::SLICE_NORMAL_TO_XZ:  return "MEDCALC.SLICE_NORMAL_TO_XZ";
+    case MEDCALC::SLICE_NORMAL_TO_YZ:  return "MEDCALC.SLICE_NORMAL_TO_YZ";
+    case MEDCALC::SLICE_NORMAL_TO_XYZ: return "MEDCALC.SLICE_NORMAL_TO_XYZ";
+  }
+  return QString();
+}
+
+QString
+PresentationController::getIntegrDirTypePython(const int intDir) const
+{
+  MEDCALC::IntegrationDirType type = static_cast<MEDCALC::IntegrationDirType>(intDir);
+  switch(type) {
+    case MEDCALC::INTEGRATION_DIR_BOTH:     return "MEDCALC.INTEGRATION_DIR_BOTH";
+    case MEDCALC::INTEGRATION_DIR_FORWARD:  return "MEDCALC.INTEGRATION_DIR_FORWARD";
+    case MEDCALC::INTEGRATION_DIR_BACKWARD: return "MEDCALC.INTEGRATION_DIR_BACKWARD";
+  }
+  return QString();
+}
+
+
+std::string
+PresentationController::getPresTypeFromWidgetHelper(int presId) const
+{
+  std::map<int, MEDWidgetHelper *>::const_iterator it =_presHelperMap.find(presId);
+  if (it != _presHelperMap.end())
+    return (*it).second->getPythonTag();
+  return "UNKNOWN";
+}
+
 void
-PresentationController::updateTreeViewWithNewPresentation(long fieldId, long presentationId)
+PresentationController::emitPresentationSignal(const PresentationEvent* event) 
+{
+  emit presentationSignal(event);
+}
+
+void
+PresentationController::processPresentationEvent(const PresentationEvent* event) {
+  // --> Send commands to SALOME Python console
+  QString viewMode = getViewModePython();
+  QString colorMap = getColorMapPython();
+  QString scalarBarRange = getScalarBarRangePython();
+  MEDCALC::FieldHandler* fieldHandler = event->fieldHandler;
+  QStringList commands;
+
+  // [ABN] using event mechanism for all this is awkward? TODO: direct implementation in each
+  // dedicated widget helper class?
+
+  if ( event->eventtype == PresentationEvent::EVENT_VIEW_OBJECT_MESH_VIEW ) {
+      // Do we request mesh view from a field or from a mesh only?
+      int meshId = event->meshHandler ? event->meshHandler->id : event->fieldHandler->meshid;
+      commands += QString("presentation_id = medcalc.MakeMeshView(%1, viewMode=%2)").arg(meshId).arg(viewMode);
+      commands += QString("presentation_id");
+    }
+  else if ( event->eventtype == PresentationEvent::EVENT_VIEW_OBJECT_SCALAR_MAP ) {
+      commands += QString("presentation_id = medcalc.MakeScalarMap(accessField(%1), viewMode=%2, scalarBarRange=%3, colorMap=%4)")
+          .arg(fieldHandler->id).arg(viewMode).arg(scalarBarRange).arg(colorMap);
+      commands += QString("presentation_id");
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_VIEW_OBJECT_CONTOUR ) {
+      commands += QString("presentation_id = medcalc.MakeContour(accessField(%1), viewMode=%2, scalarBarRange=%3, colorMap=%4)")
+            .arg(fieldHandler->id).arg(viewMode).arg(scalarBarRange).arg(colorMap);
+      commands += QString("presentation_id");
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_VIEW_OBJECT_SLICES ) {
+      commands += QString("presentation_id = medcalc.MakeSlices(accessField(%1), viewMode=%2, scalarBarRange=%3, colorMap=%4)")
+            .arg(fieldHandler->id).arg(viewMode).arg(scalarBarRange).arg(colorMap);
+      commands += QString("presentation_id");
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_VIEW_OBJECT_VECTOR_FIELD ) {
+      commands += QString("presentation_id = medcalc.MakeVectorField(accessField(%1), viewMode=%2, scalarBarRange=%3, colorMap=%4)")
+          .arg(fieldHandler->id).arg(viewMode).arg(scalarBarRange).arg(colorMap);
+      commands += QString("presentation_id");
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_VIEW_OBJECT_POINT_SPRITE ) {
+      commands += QString("presentation_id = medcalc.MakePointSprite(accessField(%1), viewMode=%2, scalarBarRange=%3, colorMap=%4)")
+              .arg(fieldHandler->id).arg(viewMode).arg(scalarBarRange).arg(colorMap);
+      commands += QString("presentation_id");
+  }
+  // sphinx doc: begin of plot3d prs creation
+  else if ( event->eventtype == PresentationEvent::EVENT_VIEW_OBJECT_PLOT3D ) {
+      commands += QString("presentation_id = medcalc.MakePlot3D(accessField(%1), viewMode=%2, scalarBarRange=%3, colorMap=%4)")
+              .arg(fieldHandler->id).arg(viewMode).arg(scalarBarRange).arg(colorMap);
+      commands += QString("presentation_id");
+  }
+  // sphinx doc: end of plot3d prs creation
+  else if ( event->eventtype == PresentationEvent::EVENT_VIEW_OBJECT_STREAM_LINES ) {
+      commands += QString("presentation_id = medcalc.MakeStreamLines(accessField(%1), viewMode=%2, scalarBarRange=%3, colorMap=%4)")
+              .arg(fieldHandler->id).arg(viewMode).arg(scalarBarRange).arg(colorMap);
+      commands += QString("presentation_id");
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_VIEW_OBJECT_CUT_SEGMENT ) {
+      commands += QString("presentation_id = medcalc.MakeCutSegment(accessField(%1), viewMode=%2, scalarBarRange=%3, colorMap=%4)")
+              .arg(fieldHandler->id).arg(viewMode).arg(scalarBarRange).arg(colorMap);
+      commands += QString("presentation_id");
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_VIEW_OBJECT_DEFLECTION_SHAPE ) {
+      commands += QString("presentation_id = medcalc.MakeDeflectionShape(accessField(%1), viewMode=%2, scalarBarRange=%3, colorMap=%4)")
+          .arg(fieldHandler->id).arg(viewMode).arg(scalarBarRange).arg(colorMap);
+      commands += QString("presentation_id");
+  }
+
+
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_COMPONENT ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.Get%1Parameters(%2)").arg(QString::fromStdString(typ)).arg(event->presentationId);
+      commands += QString("params.displayedComponent = '%1'").arg(QString::fromStdString(event->aString));
+      commands += QString("medcalc.Update%1(%2, params)").arg(QString::fromStdString(typ)).arg(event->presentationId);
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_COLORMAP ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.Get%1Parameters(%2)").arg(QString::fromStdString(typ)).arg(event->presentationId);
+      commands += QString("params.colorMap = %1").arg(getColorMapPython());
+      commands += QString("medcalc.Update%1(%2, params)").arg(QString::fromStdString(typ)).arg(event->presentationId);
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_TIME_RANGE ) {
+      bool customRangeFlag =
+        (bool)_presManager->getPresentationIntProperty(event->presentationId, MEDPresentation::PROP_HIDE_DATA_OUTSIDE_CUSTOM_RANGE.c_str());
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.Get%1Parameters(%2)").arg(QString::fromStdString(typ)).arg(event->presentationId);
+      commands += QString("params.scalarBarRange = %1").arg(getScalarBarRangePython());
+      if (getSelectedScalarBarRange() == MEDCALC::SCALAR_BAR_CUSTOM_RANGE) {
+        commands += QString("params.scalarBarRangeArray = [%1, %2]").arg(event->aDouble1).arg(event->aDouble2);
+      }
+      else {
+        if (customRangeFlag) // switch off hideDataOutsideCustomRange
+        {
+          commands += QString("params.hideDataOutsideCustomRange = False");
+        }
+      }
+      commands += QString("medcalc.Update%1(%2, params)").arg(QString::fromStdString(typ)).arg(event->presentationId);
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_NB_CONTOUR ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.GetContourParameters(%2)").arg(event->presentationId);
+      commands += QString("params.nbContours = %1").arg(event->anInteger);
+      commands += QString("medcalc.UpdateContour(%1, params)").arg(event->presentationId);
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_MESH_MODE ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.GetMeshViewParameters(%2)").arg(event->presentationId);
+      commands += QString("params.mode = %1").arg(getMeshModePython(event->anInteger));
+      commands += QString("medcalc.UpdateMeshView(%1, params)").arg(event->presentationId);
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_NB_SLICES ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.GetSlicesParameters(%2)").arg(event->presentationId);
+      commands += QString("params.nbSlices = %1").arg(event->anInteger);
+      commands += QString("medcalc.UpdateSlices(%1, params)").arg(event->presentationId);
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_SLICE_ORIENTATION ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.GetSlicesParameters(%2)").arg(event->presentationId);
+      commands += QString("params.orientation = %1").arg(getSliceOrientationPython(event->anInteger));
+      commands += QString("medcalc.UpdateSlices(%1, params)").arg(event->presentationId);
+  }
+  // sphinx doc: begin of plot3d prs update
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_PLANE_POS ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.GetPlot3DParameters(%2)").arg(event->presentationId);
+      commands += QString("params.planePos = %1").arg(event->aDouble3);
+      commands += QString("medcalc.UpdatePlot3D(%1, params)").arg(event->presentationId);
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_NORMAL ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.GetPlot3DParameters(%2)").arg(event->presentationId);
+      commands += QString("params.planeNormal = [%1, %2, %3]").arg(event->aDoubleN[0]).arg(event->aDoubleN[1]).arg(event->aDoubleN[2]);
+      commands += QString("medcalc.UpdatePlot3D(%1, params)").arg(event->presentationId);
+  }
+  // sphinx doc: end of plot3d prs update
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_CUT_POINT1 ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.GetCutSegmentParameters(%2)").arg(event->presentationId);
+      commands += QString("params.point1 = [%1, %2, %3]").arg(event->aDoubleP1[0]).arg(event->aDoubleP1[1]).arg(event->aDoubleP1[2]);
+      commands += QString("medcalc.UpdateCutSegment(%1, params)").arg(event->presentationId);
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_CUT_POINT2 ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.GetCutSegmentParameters(%2)").arg(event->presentationId);
+      commands += QString("params.point2 = [%1, %2, %3]").arg(event->aDoubleP2[0]).arg(event->aDoubleP2[1]).arg(event->aDoubleP2[2]);
+      commands += QString("medcalc.UpdateCutSegment(%1, params)").arg(event->presentationId);
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_INTEGR_DIR ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.GetStreamLinesParameters(%2)").arg(event->presentationId);
+      commands += QString("params.integrDir = %1").arg(getIntegrDirTypePython(event->anInteger));
+      commands += QString("medcalc.UpdateStreamLines(%1, params)").arg(event->presentationId);
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_CONTOUR_COMPONENT) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.GetContourParameters(%2)").arg(event->presentationId);
+      commands += QString("params.contourComponent = '%1'").arg(event->aString.c_str());
+      commands += QString("medcalc.UpdateContour(%1, params)").arg(event->presentationId);
+  }
+  else if ( event->eventtype == PresentationEvent::EVENT_CHANGE_SCALE_FACTOR ) {
+      std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+      commands += QString("params = medcalc.GetVectorFieldParameters(%2)").arg(event->presentationId);
+      commands += QString("params.scaleFactor = %1").arg(event->aDouble3);
+      commands += QString("medcalc.UpdateVectorField(%1, params)").arg(event->presentationId);
+  }
+
+  else if (event->eventtype == PresentationEvent::EVENT_CHANGE_CUSTOM_SCALE_FACTOR) {
+  std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+  commands += QString("params = medcalc.GetVectorFieldParameters(%2)").arg(event->presentationId);
+  commands += QString("params.customScaleFactor = %1").arg(event->anInteger);
+  if(event->anInteger) {
+    commands += QString("params.scaleFactor = %1").arg(event->aDouble3);
+  }
+  commands += QString("medcalc.UpdateVectorField(%1, params)").arg(event->presentationId);
+  }
+
+  else if ( event->eventtype == PresentationEvent::EVENT_DELETE_PRESENTATION ) {
+      commands += QString("medcalc.RemovePresentation(%1)").arg(event->presentationId);
+
+  }
+  else if (event->eventtype == PresentationEvent::EVENT_DISPLAY_PRESENTATION ||
+           event->eventtype == PresentationEvent::EVENT_ERASE_PRESENTATION) {
+    commands += QString("params = medcalc.Get%1Parameters(%2)").arg(QString::fromStdString(getPresTypeFromWidgetHelper(event->presentationId)))
+      .arg(event->presentationId);
+    QString visility = event->eventtype == PresentationEvent::EVENT_DISPLAY_PRESENTATION ? QString("True") : QString("False");
+    commands += QString("params.visibility = %1").arg(visility);
+    commands += QString("medcalc.Update%1(%2, params)").arg(QString::fromStdString(getPresTypeFromWidgetHelper(event->presentationId)))
+      .arg(event->presentationId);
+  }
+  else if (event->eventtype == PresentationEvent::EVENT_SCALAR_BAR_VISIBILITY_CHANGED ||
+           event->eventtype == PresentationEvent::EVENT_HIDE_DATA_OUTSIDE_CUSTOM_RANGE_CHANGED) {
+    std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+    QString param;
+    switch (event->eventtype) {
+    case PresentationEvent::EVENT_SCALAR_BAR_VISIBILITY_CHANGED: 
+      param = QString("scalarBarVisibility"); 
+      break;
+    case PresentationEvent::EVENT_HIDE_DATA_OUTSIDE_CUSTOM_RANGE_CHANGED:
+      param = QString("hideDataOutsideCustomRange"); 
+      break;
+    default: break;
+    }
+    commands += QString("params = medcalc.Get%1Parameters(%2)").arg(QString::fromStdString(typ)).arg(event->presentationId);
+    commands += QString("params.%1 = %2").arg(param).arg( event->anInteger ? QString("True") : QString("False"));
+    if (event->eventtype == PresentationEvent::EVENT_HIDE_DATA_OUTSIDE_CUSTOM_RANGE_CHANGED && event->anInteger) {
+      commands += QString("params.scalarBarRangeArray = [%1, %2]").arg(event->aDouble1).arg(event->aDouble2);
+    }
+    commands += QString("medcalc.Update%1(%2, params)").arg(QString::fromStdString(typ)).arg(event->presentationId);
+  }
+  else if (event->eventtype == PresentationEvent::EVENT_CUSTOM_RANGE_CHANGED)
+  {
+  std::string typ = getPresTypeFromWidgetHelper(event->presentationId);
+    commands += QString("params = medcalc.Get%1Parameters(%2)").arg(QString::fromStdString(typ)).arg(event->presentationId);
+    commands += QString("params.scalarBarRangeArray = [%1, %2]").arg(event->aDouble1).arg(event->aDouble2);
+    commands += QString("medcalc.Update%1(%2, params)").arg(QString::fromStdString(typ)).arg(event->presentationId);
+  }
+  else {
+      STDLOG("The event "<<event->eventtype<<" is not implemented yet");
+  }
+  _consoleDriver->exec(commands);
+}
+
+MEDWidgetHelper *
+PresentationController::findOrCreateWidgetHelper(MEDCALC::MEDPresentationManager_ptr /*presManager*/,                  // todo: unused
+                                                 int presId, const std::string& type, const std::string& name )
+{
+  std::map<int, MEDWidgetHelper *>::const_iterator it =_presHelperMap.find(presId);
+  if (it != _presHelperMap.end())
+    return (*it).second;
+  MEDWidgetHelper * wh = 0;
+  if (type == MEDPresentationMeshView::TYPE_NAME)
+    wh = new MEDWidgetHelperMeshView(this, _presManager, presId, name, _widgetPresentationParameters);
+  else if (type == MEDPresentationScalarMap::TYPE_NAME)
+    wh = new MEDWidgetHelperScalarMap(this, _presManager, presId, name, _widgetPresentationParameters);
+  else if (type == MEDPresentationContour::TYPE_NAME)
+    wh = new MEDWidgetHelperContour(this, _presManager, presId, name, _widgetPresentationParameters);
+  else if (type == MEDPresentationSlices::TYPE_NAME)
+    wh = new MEDWidgetHelperSlices(this, _presManager, presId, name, _widgetPresentationParameters);
+  else if (type == MEDPresentationVectorField::TYPE_NAME)
+    wh = new MEDWidgetHelperVectorField(this, _presManager, presId, name, _widgetPresentationParameters);
+  else if (type == MEDPresentationPointSprite::TYPE_NAME)
+    wh = new MEDWidgetHelperPointSprite(this, _presManager, presId, name, _widgetPresentationParameters);
+  else if (type == MEDPresentationPlot3D::TYPE_NAME)
+    wh = new MEDWidgetHelperPlot3D(this, _presManager, presId, name, _widgetPresentationParameters);
+  else if (type == MEDPresentationStreamLines::TYPE_NAME)
+    wh = new MEDWidgetHelperStreamLines(this, _presManager, presId, name, _widgetPresentationParameters);
+  else if (type == MEDPresentationCutSegment::TYPE_NAME)
+    wh = new MEDWidgetHelperCutSegment(this, _presManager, presId, name, _widgetPresentationParameters);
+  else if (type == MEDPresentationDeflectionShape::TYPE_NAME)
+    wh = new MEDWidgetHelperDeflectionShape(this, _presManager, presId, name, _widgetPresentationParameters);
+  else
+    {
+      STDLOG("findOrCreateWidgetHelper(): NOT IMPLEMENTED !!!");
+      return wh;
+    }
+  _presHelperMap[presId] = wh;
+  return wh;
+}
+
+void
+PresentationController::onPresentationSelected(int presId, const QString& presType, const QString& presName)
+{
+  if (presId == -1)
+    {
+      if (_widgetPresentationParameters->isShown())
+        {
+          _widgetPresentationParameters->toggleWidget(false);
+          if(_currentWidgetHelper)
+            _currentWidgetHelper->releaseWidget();
+        }
+    }
+  else
+    {
+      if(_currentWidgetHelper)
+        _currentWidgetHelper->releaseWidget();
+      // Activate corresponding ParaView render view
+      _presManager->activateView(presId);
+      // Update widgets parameters
+      _currentWidgetHelper = findOrCreateWidgetHelper(_presManager, presId, presType.toStdString(), presName.toStdString());
+      _currentWidgetHelper->updateWidget(true);
+    }
+}
+
+void
+PresentationController::onParavisDump()
+{
+  // Get the selected objects in the study (SObject)
+  SALOME_StudyEditor::SObjectList* listOfSObject = _studyEditor->getSelectedObjects();
+
+  // For the first object only, request the dump
+  for (int i=0; i<(int)listOfSObject->size(); i++) {
+      SALOMEDS::SObject_var soPres = listOfSObject->at(i);
+      std::string name(_studyEditor->getName(soPres));
+      if (soPres->_is_nil() || name == "MEDCalc")
+        return;
+      int presId = _salomeModule->getIntParamFromStudyEditor(soPres,PRESENTATION_ID);
+      // If fieldId equals -1, then it means that it is not a field
+      // managed by the MED module, and we stop this function process.
+      if ( presId < 0 )
+        continue;
+
+      std::string dump(_presManager->getParavisDump(presId));
+      std::cerr << "#====== ParaVis dump (presentation "  << presId << ") =====" << std::endl;
+      std::cerr << dump;
+      std::cerr << "#====== End of ParaVis dump =============== " << std::endl;
+
+      break; // stop at the first one
+  }
+}
+
+void
+PresentationController::updateTreeViewWithNewPresentation(long dataId, long presentationId)
 {
   if (presentationId < 0) {
-    std::cerr << "Unknown presentation\n";
-    return;
+      std::cerr << "Unknown presentation\n";
+      return;
   }
 
-  std::string name = MEDFactoryClient::getPresentationManager()->getPresentationProperty(presentationId, "name");
-  std::string icon = std::string("ICO_") + name;
+  std::string name(_presManager->getPresentationStringProperty(presentationId, MEDPresentation::PROP_NAME.c_str()));
+  std::string type = name;
+  std::string icon = std::string("ICO_") + type;
   icon = _getIconName(icon);
+  std::string ico = tr(icon.c_str()).toStdString();
+
+  // Append presentation ID to the displayed name in the OB:
+  std::ostringstream oss;
   name = tr(name.c_str()).toStdString();
-  std::string label = tr(icon.c_str()).toStdString();
+  oss << name << " (" << presentationId << ")";
 
-  SalomeApp_Study* study = dynamic_cast<SalomeApp_Study*>(_salomeModule->application()->activeStudy());
-  _PTR(Study) studyDS = study->studyDS();
+  // Mesh views are always registered at the mesh level:
+  if (type == MEDPresentationMeshView::TYPE_NAME)
+    {
+      _salomeModule->engine()->registerPresentationMesh(dataId, oss.str().c_str(), type.c_str(),ico.c_str(), presentationId);
+    }
+  else
+    _salomeModule->engine()->registerPresentationField(dataId, oss.str().c_str(), type.c_str(),ico.c_str(), presentationId);
+
+  // update Object browser
+  _salomeModule->getApp()->updateObjectBrowser(true);
 
-  _salomeModule->engine()->registerPresentation(_CAST(Study, studyDS)->GetStudy(), fieldId, name.c_str(), label.c_str());
+  // auto-select new presentation
+  std::string entry = _salomeModule->engine()->getStudyPresentationEntry(presentationId);
+  SALOME_ListIO selectedObjects;
+  LightApp_Study* lightStudy = dynamic_cast<LightApp_Study*>( _salomeModule->application()->activeStudy() );
+  QString component = lightStudy->componentDataType( entry.c_str() );
+  selectedObjects.Append( new SALOME_InteractiveObject( (const char*)entry.c_str(),
+                                                        (const char*)component.toLatin1(),
+                                                        ""/*refobj->Name().c_str()*/ ) );
+  //QStringList selectedObjects;
+  //selectedObjects << QString(entry.c_str());
+  LightApp_SelectionMgr* aSelectionMgr = _salomeModule->getApp()->selectionMgr();
+  aSelectionMgr->setSelectedObjects(selectedObjects, false);
+
+  // emit onPresentationSelected
+  int presId = -1;
+  _salomeModule->itemClickGeneric(name, type, presId);
+  onPresentationSelected(presId, QString::fromStdString(type), QString::fromStdString(name));
+  updateVisibilityState(presId);
+}
+
+void
+PresentationController::updateTreeViewForPresentationRemoval(long presentationId)
+{
+  if (presentationId < 0) {
+      std::cerr << "Unknown presentation\n";
+      return;
+  }
+
+  _salomeModule->engine()->unregisterPresentation(presentationId);
 
   // update Object browser
   _salomeModule->getApp()->updateObjectBrowser(true);
 }
 
+void
+PresentationController::_dealWithReplaceMode()
+{
+  // Deal with replace mode: presentations with invalid IDs have to be removed:
+
+  MEDCALC::PresentationsList * lstManager = _presManager->getAllPresentations();
+  MED_ORB::PresentationsList * lstModule = _salomeModule->engine()->getStudyPresentations();
+  // The IDs not in the intersection needs deletion:
+  CORBA::Long * last = lstManager->get_buffer() + lstManager->length();
+  for (unsigned i = 0; i < lstModule->length(); i++) {
+    CORBA::Long * ptr = std::find(lstManager->get_buffer(), last, (*lstModule)[i]);
+    if (ptr == last) {
+      STDLOG("Removing pres " << (*lstModule)[i] << " from OB.");
+      // Presentation in module but not in manager anymore: to be deleted from OB:
+      updateTreeViewForPresentationRemoval((*lstModule)[i]);
+    }
+  }
+}
+
 void
 PresentationController::processWorkspaceEvent(const MEDCALC::MedEvent* event)
 {
   if ( event->type == MEDCALC::EVENT_ADD_PRESENTATION ) {
-    this->updateTreeViewWithNewPresentation(event->dataId, event->presentationId);
+    if (event->dataId == -1) {
+      // A file has been loaded, and we want to create a default presentation (MeshView) for it
+      QString viewMode = getViewModePython();
+      QStringList commands;
+      commands += QString("presentation_id = medcalc.MakeMeshView(medcalc.GetFirstMeshFromDataSource(source_id), viewMode=%1)").arg(viewMode);
+      commands += QString("presentation_id");
+      _consoleDriver->exec(commands);
+    }
+    else {
+      updateTreeViewWithNewPresentation(event->dataId, event->presentationId);
+      _dealWithReplaceMode();
+      // Update parameter widget if shown: some parameters should be updated after presentation has been added
+      if (_currentWidgetHelper)
+        _currentWidgetHelper->updateWidget(false);
+    }
+  }
+  else if ( event->type == MEDCALC::EVENT_REMOVE_PRESENTATION ) {
+      updateTreeViewForPresentationRemoval(event->presentationId);
+      // Hide parameter widget if necessary:
+      onPresentationSelected(-1, "", "");
   }
+  else if ( event->type == MEDCALC::EVENT_MODIFY_PRESENTATION ) {
+      // Update parameter widget if shown:
+      if(_currentWidgetHelper)
+        _currentWidgetHelper->updateWidget(false);
+  }
+  else if (event->type == MEDCALC::EVENT_VISIBILITY_CHANGED) {
+    updateVisibilityState(event->presentationId);
+  }
+}
+
+void
+PresentationController::showDockWidgets(bool isVisible)
+{
+  _dockWidget->setVisible(isVisible);
 }
+
+void PresentationController::updateVisibilityState(long presId) 
+{
+  char* str = _salomeModule->engine()->getStudyPresentationEntry(presId);
+  if (str) {
+    QStringList entries;
+    entries.append(str);
+    _salomeModule->updateVisibilityState(false, entries);
+  }
+}
+
+std::string PresentationController::presentationName2Type(const std::string& name) {
+  return std::regex_replace(name, std::regex("MEDPresentation"), std::string(""));
+}
\ No newline at end of file