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[modules/shaper.git] / src / XGUI / XGUI_Workshop.cpp
index fa583caead741b96b4c821e5adfb8c5a49a147cb..fd63e89e812a8ad3d4f606530327e2e3140dabca 100644 (file)
@@ -16,6 +16,7 @@
 #include "XGUI_ContextMenuMgr.h"
 #include "XGUI_ModuleConnector.h"
 #include <XGUI_QtEvents.h>
+#include <XGUI_HistoryMenu.h>
 
 #include <AppElements_Workbench.h>
 #include <AppElements_Viewer.h>
@@ -68,6 +69,9 @@
 #include <QLayout>
 #include <QThread>
 #include <QObject>
+#include <QMenu>
+#include <QToolButton>
+#include <QAction>
 
 #ifdef _DEBUG
 #include <QDebug>
@@ -187,9 +191,9 @@ void XGUI_Workshop::startApplication()
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_CREATED));
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_DELETED));
-  aLoop->registerListener(this, Events_Loop::eventByName("LongOperation"));
+  aLoop->registerListener(this, Events_LongOp::eventID());
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_PLUGIN_LOADED));
-  aLoop->registerListener(this, Events_Loop::eventByName("CurrentDocumentChanged"));
+  aLoop->registerListener(this, Events_Loop::eventByName(EVENT_DOCUMENT_CHANGED));
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_TOSHOW));
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_TOHIDE));
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_SELFILTER_LOADED));
@@ -206,6 +210,8 @@ void XGUI_Workshop::startApplication()
   }
   
   onNew();
+
+  emit applicationStarted();
 }
 
 //******************************************************
@@ -220,10 +226,14 @@ void XGUI_Workshop::initMenu()
                                                          QIcon(":pictures/undo.png"),
                                                          QKeySequence::Undo, false, "MEN_DESK_EDIT");
     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onUndo()));
+    addHistoryMenu(aAction, SIGNAL(updateUndoHistory(const QList<ActionInfo>&)), SLOT(onUndo(int)));
+
     aAction = salomeConnector()->addDesktopCommand("REDO_CMD", tr("Redo"), tr("Redo last command"),
                                                 QIcon(":pictures/redo.png"), QKeySequence::Redo,
                                                 false, "MEN_DESK_EDIT");
     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRedo()));
+    addHistoryMenu(aAction, SIGNAL(updateRedoHistory(const QList<ActionInfo>&)), SLOT(onRedo(int)));
+
     salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
     aAction = salomeConnector()->addDesktopCommand("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
                                                 QIcon(":pictures/rebuild.png"), QKeySequence(),
@@ -254,13 +264,23 @@ void XGUI_Workshop::initMenu()
   aCommand->connectTo(this, SLOT(onSave()));
   //aCommand->disable();
 
-  aCommand = aGroup->addFeature("UNDO_CMD", tr("Undo"), tr("Undo last command"),
+  QString aUndoId = "UNDO_CMD";
+  aCommand = aGroup->addFeature(aUndoId, tr("Undo"), tr("Undo last command"),
                                 QIcon(":pictures/undo.png"), QKeySequence::Undo);
   aCommand->connectTo(this, SLOT(onUndo()));
+  QToolButton* aUndoButton = qobject_cast<QToolButton*>(aGroup->widget(aUndoId));
+  addHistoryMenu(aUndoButton,
+                 SIGNAL(updateUndoHistory(const QList<ActionInfo>&)),
+                 SLOT(onUndo(int)));
 
-  aCommand = aGroup->addFeature("REDO_CMD", tr("Redo"), tr("Redo last command"),
+  QString aRedoId = "REDO_CMD";
+  aCommand = aGroup->addFeature(aRedoId, tr("Redo"), tr("Redo last command"),
                                 QIcon(":pictures/redo.png"), QKeySequence::Redo);
   aCommand->connectTo(this, SLOT(onRedo()));
+  QToolButton* aRedoButton = qobject_cast<QToolButton*>(aGroup->widget(aRedoId));
+  addHistoryMenu(aRedoButton,
+                 SIGNAL(updateRedoHistory(const QList<ActionInfo>&)),
+                 SLOT(onRedo(int)));
 
   aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
     QIcon(":pictures/rebuild.png"), QKeySequence());
@@ -322,7 +342,6 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
       addFeature(aFeatureMsg);
     }
   }
-
   // Process creation of Part
   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED)) {
     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
@@ -337,36 +356,29 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_PLUGIN_LOADED)) {
     myUpdatePrefs = true;
   }
-
   // Redisplay feature
   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY)) {
     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
     onFeatureRedisplayMsg(aUpdMsg);
   }
-
   //Update property panel on corresponding message. If there is no current operation (no
   //property panel), or received message has different feature to the current - do nothing.
   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED)) {
     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
     onFeatureUpdatedMsg(anUpdateMsg);
-  }
-
-  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED)) {
+  } else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED)) {
     std::shared_ptr<ModelAPI_ObjectDeletedMessage> aDelMsg =
         std::dynamic_pointer_cast<ModelAPI_ObjectDeletedMessage>(theMessage);
     onObjectDeletedMsg(aDelMsg);
-  }
-
-  else if (theMessage->eventID() == Events_LongOp::eventID()) {
-    if (Events_LongOp::isPerformed())
+  } else if (theMessage->eventID() == Events_LongOp::eventID()) {
+    if (Events_LongOp::isPerformed()) {
       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
-    else
+    } else {
       QApplication::restoreOverrideCursor();
-  }
-
-  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TOSHOW)) {
+    }
+  } else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TOSHOW)) {
     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
     const std::set<ObjectPtr>& aObjList = anUpdateMsg->objects();
@@ -375,9 +387,7 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
     for (aIt = aObjList.cbegin(); aIt != aObjList.cend(); ++aIt)
       aList.append(*aIt);
     showObjects(aList, true);
-  }
-
-  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TOHIDE)) {
+  } else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TOHIDE)) {
     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
     const std::set<ObjectPtr>& aObjList = anUpdateMsg->objects();
@@ -387,7 +397,6 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
       aList.append(*aIt);
     showObjects(aList, false);
   }
-
   //An operation passed by message. Start it, process and commit.
   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OPERATION_LAUNCHED)) {
     std::shared_ptr<Config_PointerMessage> aPartSetMsg =
@@ -402,8 +411,7 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
           updateCommandStatus();
       }
     }
-  }
-  else if (theMessage->eventID() == Events_Loop::loop()->eventByName("CurrentDocumentChanged")) {
+  } else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_DOCUMENT_CHANGED)) {
     myActionsMgr->update();
     // Find and Activate active part
     if (myPartActivating)
@@ -454,6 +462,11 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
   }
 }
 
+//******************************************************
+QMainWindow* XGUI_Workshop::desktop() const
+{
+  return isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
+}
 
 //******************************************************
 void XGUI_Workshop::onStartWaiting()
@@ -490,6 +503,7 @@ void XGUI_Workshop::onFeatureRedisplayMsg(const std::shared_ptr<ModelAPI_ObjectU
   std::set<ObjectPtr>::const_iterator aIt;
   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
     ObjectPtr aObj = (*aIt);
+
     bool aHide = !aObj->data() || !aObj->data()->isValid();
     if (!aHide) { // check that this is not hidden result
       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
@@ -499,18 +513,18 @@ void XGUI_Workshop::onFeatureRedisplayMsg(const std::shared_ptr<ModelAPI_ObjectU
       myDisplayer->erase(aObj, false);
     else {
       if (myDisplayer->isVisible(aObj))  {
-        myDisplayer->display(aObj, false);  // In order to update presentation
+        displayObject(aObj);  // In order to update presentation
         if (myOperationMgr->hasOperation()) {
           ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-          if (aOperation->hasObject(aObj) && myDisplayer->isActive(aObj))
+          if (!aOperation->isEditOperation() &&
+              aOperation->hasObject(aObj) && myDisplayer->isActive(aObj))
             myDisplayer->deactivate(aObj);
         }
       } else {
         if (myOperationMgr->hasOperation()) {
           ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-          // Display only current operation results if operation has preview
-          if (aOperation->hasObject(aObj)/* && aOperation->hasPreview()*/) {
-            myDisplayer->display(aObj, false);
+          if (myModule->canDisplayObject(aObj)) {
+            displayObject(aObj);
             // Deactivate object of current operation from selection
             if (myDisplayer->isActive(aObj))
               myDisplayer->deactivate(aObj);
@@ -531,17 +545,15 @@ void XGUI_Workshop::onFeatureCreatedMsg(const std::shared_ptr<ModelAPI_ObjectUpd
   bool aHasPart = false;
   bool isDisplayed = false;
   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
+
     ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(*aIt);
     if (aPart) {
       aHasPart = true;
       // If a feature is created from the aplication's python console  
       // it doesn't stored in the operation mgr and doesn't displayed
-    } else if (myOperationMgr->hasOperation()) {
-      ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-      if (aOperation->hasObject(*aIt)) {  // Display only current operation results
-        myDisplayer->display(*aIt, false);
-        isDisplayed = true;
-      }
+    } else if (myModule->canDisplayObject(*aIt)) {
+      displayObject(*aIt);
+      isDisplayed = true;
     }
   }
   if (myObjectBrowser)
@@ -593,19 +605,17 @@ void XGUI_Workshop::onOperationResumed(ModuleBase_Operation* theOperation)
 //******************************************************
 void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
 {
+  ModuleBase_ISelection* aSel = mySelector->selection();
+  QObjectPtrList aObj = aSel->selectedPresentations();
   //!< No need for property panel
   updateCommandStatus();
   hidePropertyPanel();
   myPropertyPanel->cleanContent();
 
-  // Activate objects created by current operation
-  FeaturePtr aFeature = theOperation->feature();
-  myDisplayer->activate(aFeature);
-  const std::list<ResultPtr>& aResults = aFeature->results();
-  std::list<ResultPtr>::const_iterator aIt;
-  for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
-    myDisplayer->activate(*aIt);
-  }
+  // Activate objects created by current operation 
+  // in order to clean selection modes
+  QIntList aModes;
+  myDisplayer->activateObjects(aModes);
   myModule->operationStopped(theOperation);
 }
 
@@ -645,7 +655,7 @@ void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
     aWidget->enableFocusProcessing();
     QObject::connect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onWidgetValuesChanged()));
     // Init default values
-    if (!theOperation->isEditOperation() && !aWidget->isComputedDefault()) {
+    if (!theOperation->isEditOperation() && aWidget->isValueDefault() && !aWidget->isComputedDefault()) {
       aWidget->storeValue();
     }
   }
@@ -680,28 +690,24 @@ void XGUI_Workshop::addFeature(const std::shared_ptr<Config_FeatureMessage>& the
 #endif
     return;
   }
+  ActionInfo aFeatureInfo;
+  aFeatureInfo.initFrom(theMessage);
   // Remember features icons
-  myIcons[QString::fromStdString(theMessage->id())] = QString::fromStdString(theMessage->icon());
+  myIcons[QString::fromStdString(theMessage->id())] = aFeatureInfo.iconFile;
 
-  //Find or create Workbench
   QString aWchName = QString::fromStdString(theMessage->workbenchId());
-  QString aNestedFeatures = QString::fromStdString(theMessage->nestedFeatures());
-  bool isUsePropPanel = theMessage->isUseInput();
-  QString aFeatureId = QString::fromStdString(theMessage->id());
+  QStringList aNestedFeatures =
+      QString::fromStdString(theMessage->nestedFeatures()).split(" ", QString::SkipEmptyParts);
+  QString aDocKind = QString::fromStdString(theMessage->documentKind());
   if (isSalomeMode()) {
-    QAction* aAction = salomeConnector()->addFeature(aWchName, aFeatureId,
-                                                     QString::fromStdString(theMessage->text()),
-                                                     QString::fromStdString(theMessage->tooltip()),
-                                                     QIcon(theMessage->icon().c_str()),
-                                                     QKeySequence(),
-                                                     isUsePropPanel);
-    salomeConnector()->setNestedActions(aFeatureId, aNestedFeatures.split(" ", QString::SkipEmptyParts));
-    salomeConnector()->setDocumentKind(aFeatureId, QString::fromStdString(theMessage->documentKind()));
+    QAction* aAction = salomeConnector()->addFeature(aWchName, aFeatureInfo);
+    salomeConnector()->setNestedActions(aFeatureInfo.id, aNestedFeatures);
+    salomeConnector()->setDocumentKind(aFeatureInfo.id, aDocKind);
 
     myActionsMgr->addCommand(aAction);
     myModule->actionCreated(aAction);
   } else {
-
+    //Find or create Workbench
     AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
     AppElements_Workbench* aPage = aMenuBar->findWorkbench(aWchName);
     if (!aPage) {
@@ -713,19 +719,14 @@ void XGUI_Workshop::addFeature(const std::shared_ptr<Config_FeatureMessage>& the
     if (!aGroup) {
       aGroup = aPage->addGroup(aGroupName);
     }
-    QString aDocKind = QString::fromStdString(theMessage->documentKind());
     // Check if hotkey sequence is already defined:
-    QKeySequence aHotKey = myActionsMgr->registerShortcut(
-        QString::fromStdString(theMessage->keysequence()));
+    QKeySequence aHotKey = myActionsMgr->registerShortcut(aFeatureInfo.shortcut);
+    if(aHotKey != aFeatureInfo.shortcut) {
+      aFeatureInfo.shortcut = aHotKey;
+    }
     // Create feature...
-    AppElements_Command* aCommand = aGroup->addFeature(aFeatureId,
-                                                QString::fromStdString(theMessage->text()),
-                                                QString::fromStdString(theMessage->tooltip()),
-                                                QIcon(theMessage->icon().c_str()),
-                                                aDocKind,
-                                                aHotKey,
-                                                isUsePropPanel);
-    aCommand->setNestedCommands(aNestedFeatures.split(" ", QString::SkipEmptyParts));
+    AppElements_Command* aCommand = aGroup->addFeature(aFeatureInfo, aDocKind);
+    aCommand->setNestedCommands(aNestedFeatures);
     myActionsMgr->addCommand(aCommand);
     myModule->actionCreated(aCommand);
   }
@@ -902,24 +903,28 @@ bool XGUI_Workshop::onSaveAs()
 }
 
 //******************************************************
-void XGUI_Workshop::onUndo()
+void XGUI_Workshop::onUndo(int theTimes)
 {
   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
   SessionPtr aMgr = ModelAPI_Session::get();
   if (aMgr->isOperation())
     operationMgr()->onAbortOperation();
-  aMgr->undo();
+  for (int i = 0; i < theTimes; ++i) {
+    aMgr->undo();
+  }
   updateCommandStatus();
 }
 
 //******************************************************
-void XGUI_Workshop::onRedo()
+void XGUI_Workshop::onRedo(int theTimes)
 {
   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
   SessionPtr aMgr = ModelAPI_Session::get();
   if (aMgr->isOperation())
     operationMgr()->onAbortOperation();
-  aMgr->redo();
+  for (int i = 0; i < theTimes; ++i) {
+    aMgr->redo();
+  }
   updateCommandStatus();
 }
 
@@ -929,7 +934,7 @@ void XGUI_Workshop::onRebuild()
   SessionPtr aMgr = ModelAPI_Session::get();
   bool aWasOperation = aMgr->isOperation(); // keep this value
   if (!aWasOperation) {
-    aMgr->startOperation();
+    aMgr->startOperation("Rebuild");
   }
   static const Events_ID aRebuildEvent = Events_Loop::loop()->eventByName("Rebuild");
   Events_Loop::loop()->send(std::shared_ptr<Events_Message>(
@@ -1058,6 +1063,9 @@ void XGUI_Workshop::updateCommandStatus()
     }
     aUndoCmd->setEnabled(aMgr->canUndo() && !aMgr->isOperation());
     aRedoCmd->setEnabled(aMgr->canRedo() && !aMgr->isOperation());
+
+    updateHistory();
+
   } else {
     foreach(QAction* aCmd, aCommands) {
       QString aId = aCmd->data().toString();
@@ -1073,6 +1081,33 @@ void XGUI_Workshop::updateCommandStatus()
   emit commandStatusUpdated();
 }
 
+void XGUI_Workshop::updateHistory()
+{
+  std::list<std::string> aUndoList = ModelAPI_Session::get()->undoList();
+  std::list<std::string>::iterator it = aUndoList.begin();
+  QList<ActionInfo> aUndoRes;
+  for ( ; it != aUndoList.end(); it++) {
+    QString anId = QString::fromStdString(*it);
+    QIcon aIcon;
+    if (myIcons.contains(anId))
+      aIcon = QIcon(myIcons[anId]);
+    aUndoRes << ActionInfo(aIcon, anId);
+  }
+  emit updateUndoHistory(aUndoRes);
+
+  std::list<std::string> aRedoList = ModelAPI_Session::get()->redoList();
+  it = aRedoList.begin();
+  QList<ActionInfo> aRedoRes;
+  for ( ; it != aRedoList.end(); it++) {
+    QString anId = QString::fromStdString(*it);
+    QIcon aIcon;
+    if (myIcons.contains(anId))
+      aIcon = QIcon(myIcons[anId]);
+    aRedoRes << ActionInfo(aIcon, anId);
+  }
+  emit updateRedoHistory(aUndoRes);
+}
+
 //******************************************************
 QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
 {
@@ -1106,7 +1141,7 @@ void XGUI_Workshop::createDockWidgets()
   connect(myPropertyPanel, SIGNAL(noMoreWidgets()), myModule, SLOT(onNoMoreWidgets()));
 
   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanel);
-  hidePropertyPanel();  //<! Invisible by default
+  hidePropertyPanel();  ///<! Invisible by default
   hideObjectBrowser();
   aDesktop->tabifyDockWidget(aObjDock, myPropertyPanel);
   myPropertyPanel->installEventFilter(myOperationMgr);
@@ -1117,7 +1152,7 @@ void XGUI_Workshop::createDockWidgets()
   connect(aCancelBtn, SIGNAL(clicked()), myOperationMgr, SLOT(onAbortOperation()));
   connect(myPropertyPanel, SIGNAL(keyReleased(QKeyEvent*)), myOperationMgr,
           SLOT(onKeyReleased(QKeyEvent*)));
-  connect(myOperationMgr, SIGNAL(operationValidated(bool)), myPropertyPanel,
+  connect(myOperationMgr, SIGNAL(applyEnableChanged(bool)), myPropertyPanel,
           SLOT(setAcceptEnabled(bool)));
 
 }
@@ -1126,7 +1161,7 @@ void XGUI_Workshop::createDockWidgets()
 void XGUI_Workshop::showPropertyPanel()
 {
   QAction* aViewAct = myPropertyPanel->toggleViewAction();
-  //<! Restore ability to close panel from the window's menu
+  ///<! Restore ability to close panel from the window's menu
   aViewAct->setEnabled(true);
   myPropertyPanel->show();
   myPropertyPanel->raise();
@@ -1136,7 +1171,7 @@ void XGUI_Workshop::showPropertyPanel()
 void XGUI_Workshop::hidePropertyPanel()
 {
   QAction* aViewAct = myPropertyPanel->toggleViewAction();
-  //<! Do not allow to show empty property panel
+  ///<! Do not allow to show empty property panel
   aViewAct->setEnabled(false);
   myPropertyPanel->hide();
 }
@@ -1252,50 +1287,92 @@ void XGUI_Workshop::activatePart(ResultPartPtr theFeature)
     myObjectBrowser->activatePart(theFeature);
     myPartActivating = false;
   }
+  updateCommandStatus();
 }
 
 //**************************************************************
-void XGUI_Workshop::activateLastPart()
-{
-  SessionPtr aMgr = ModelAPI_Session::get();
-  DocumentPtr aDoc = aMgr->moduleDocument();
-  std::string aGrpName = ModelAPI_ResultPart::group();
-  ObjectPtr aLastPart = aDoc->object(aGrpName, aDoc->size(aGrpName) - 1);
-  ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aLastPart);
-  if (aPart) {
-    activatePart(aPart);
-  }
-}
+//void XGUI_Workshop::activateLastPart()
+//{
+//  SessionPtr aMgr = ModelAPI_Session::get();
+//  DocumentPtr aDoc = aMgr->moduleDocument();
+//  std::string aGrpName = ModelAPI_ResultPart::group();
+//  ObjectPtr aLastPart = aDoc->object(aGrpName, aDoc->size(aGrpName) - 1);
+//  ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aLastPart);
+//  if (aPart) {
+//    activatePart(aPart);
+//  }
+//}
 
 //**************************************************************
 void XGUI_Workshop::deleteObjects(const QObjectPtrList& theList)
 {
   QMainWindow* aDesktop = isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
-  QMessageBox::StandardButton aRes = QMessageBox::warning(
-      aDesktop, tr("Delete features"), tr("Seleted features will be deleted. Continue?"),
-      QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
-  // ToDo: definbe deleting method
-  if (aRes == QMessageBox::Yes) {
-    SessionPtr aMgr = ModelAPI_Session::get();
-    aMgr->startOperation();
-    foreach (ObjectPtr aObj, theList)
-    {
-      ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
-      if (aPart) {
-        DocumentPtr aDoc = aPart->document();
-        if (aDoc == aMgr->activeDocument()) {
-          aDoc->close();
-        }
-        //aMgr->moduleDocument()->removeFeature(aPart->owner());
-      } else {
-        FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
-        if (aFeature)
-          aObj->document()->removeFeature(aFeature);
+
+  std::set<FeaturePtr> aRefFeatures;
+  foreach (ObjectPtr aObj, theList)
+  {
+    ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
+    if (aPart) {
+      // TODO: check for what there is this condition. It is placed here historicaly because
+      // ther is this condition during remove features.
+    } else {
+      FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
+      if (aFeature.get() != NULL) {
+        aObj->document()->refsToFeature(aFeature, aRefFeatures, false);
+      }
+    }
+  }
+
+  if (!aRefFeatures.empty()) {
+    QStringList aRefNames;
+    std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
+                                         aLast = aRefFeatures.end();
+    for (; anIt != aLast; anIt++) {
+      FeaturePtr aFeature = (*anIt);
+      std::string aFName = aFeature->data()->name().c_str();
+      std::string aName = (*anIt)->name().c_str();
+      aRefNames.append((*anIt)->name().c_str());
+    }
+    QString aNames = aRefNames.join(", ");
+
+    QMessageBox::StandardButton aRes = QMessageBox::warning(
+        aDesktop, tr("Delete features"),
+        QString(tr("Selected features are used in the following features: %1.\
+These features will be deleted also. Would you like to continue?")).arg(aNames),
+        QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
+    if (aRes != QMessageBox::Yes)
+      return;
+  }
+
+  SessionPtr aMgr = ModelAPI_Session::get();
+  aMgr->startOperation("DeleteObjects");
+  std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
+                                       aLast = aRefFeatures.end();
+  for (; anIt != aLast; anIt++) {
+    FeaturePtr aRefFeature = (*anIt);
+    DocumentPtr aDoc = aRefFeature->document();
+    aDoc->removeFeature(aRefFeature);
+   }
+
+
+  foreach (ObjectPtr aObj, theList)
+  {
+    DocumentPtr aDoc = aObj->document();
+    ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
+    if (aPart) {
+      if (aDoc == aMgr->activeDocument()) {
+        aDoc->close();
+      }
+    } else {
+      FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
+      if (aFeature) {
+        aDoc->removeFeature(aFeature);
       }
     }
-    myDisplayer->updateViewer();
-    aMgr->finishOperation();
   }
+
+  myDisplayer->updateViewer();
+  aMgr->finishOperation();
 }
 
 //**************************************************************
@@ -1304,7 +1381,7 @@ void XGUI_Workshop::showObjects(const QObjectPtrList& theList, bool isVisible)
   foreach (ObjectPtr aObj, theList)
   {
     if (isVisible) {
-      myDisplayer->display(aObj, false);
+      displayObject(aObj);
     } else {
       myDisplayer->erase(aObj, false);
     }
@@ -1353,7 +1430,7 @@ void XGUI_Workshop::displayDocumentResults(DocumentPtr theDoc)
 void XGUI_Workshop::displayGroupResults(DocumentPtr theDoc, std::string theGroup)
 {
   for (int i = 0; i < theDoc->size(theGroup); i++)
-    myDisplayer->display(theDoc->object(theGroup, i), false);
+    displayObject(theDoc->object(theGroup, i));
 }
 
 //**************************************************************
@@ -1369,6 +1446,11 @@ void XGUI_Workshop::setDisplayMode(const QObjectPtrList& theList, int theMode)
 //**************************************************************
 void XGUI_Workshop::closeDocument()
 {
+  ModuleBase_Operation* anOperation = operationMgr()->currentOperation();
+  while (anOperation) {
+    anOperation->abort();
+    anOperation = operationMgr()->currentOperation();
+  }
   myDisplayer->closeLocalContexts();
   myDisplayer->eraseAll();
   objectBrowser()->clearContent();
@@ -1377,3 +1459,33 @@ void XGUI_Workshop::closeDocument()
   aMgr->closeAll();
   objectBrowser()->clearContent();
 }
+
+//**************************************************************
+void XGUI_Workshop::displayObject(ObjectPtr theObj)
+{
+  ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theObj);
+  if (aBody.get() != NULL) {
+    int aNb = myDisplayer->objectsCount();
+    myDisplayer->display(theObj, false);
+    if (aNb == 0)
+      viewer()->fitAll();
+  } else 
+    myDisplayer->display(theObj, false);
+}
+
+void XGUI_Workshop::addHistoryMenu(QObject* theObject, const char* theSignal, const char* theSlot)
+{
+  XGUI_HistoryMenu* aMenu = NULL;
+  if (isSalomeMode()) {
+    QAction* anAction = qobject_cast<QAction*>(theObject);
+    if (!anAction)
+      return;
+    aMenu = new XGUI_HistoryMenu(anAction);
+  } else {
+    QToolButton* aButton =  qobject_cast<QToolButton*>(theObject);
+    aMenu = new XGUI_HistoryMenu(aButton);
+  }
+  connect(this, theSignal, aMenu, SLOT(setHistory(const QList<ActionInfo>&)));
+  connect(aMenu, SIGNAL(actionSelected(int)), this, theSlot);
+
+}