Salome HOME
Merge branch 'Dev_1.2.0' of newgeom:newgeom into Dev_1.2.0
[modules/shaper.git] / src / XGUI / XGUI_Workshop.cpp
index 6100b9ecf43cc37efde993545ed6e9db1067a45d..ee91afe7628823881dfc65949ecb442f1443d709 100644 (file)
@@ -11,6 +11,7 @@
 #include "XGUI_SalomeConnector.h"
 #include "XGUI_ActionsMgr.h"
 #include "XGUI_ErrorDialog.h"
+#include "XGUI_ColorDialog.h"
 #include "XGUI_ViewerProxy.h"
 #include "XGUI_PropertyPanel.h"
 #include "XGUI_ContextMenuMgr.h"
@@ -40,6 +41,7 @@
 #include <ModelAPI_ResultConstruction.h>
 #include <ModelAPI_ResultBody.h>
 #include <ModelAPI_AttributeIntArray.h>
+#include <ModelAPI_ResultParameter.h>
 
 //#include <PartSetPlugin_Part.h>
 
@@ -54,8 +56,9 @@
 #include <ModuleBase_WidgetFactory.h>
 #include <ModuleBase_Tools.h>
 #include <ModuleBase_IViewer.h>
-#include<ModuleBase_FilterFactory.h>
+#include <ModuleBase_FilterFactory.h>
 #include <ModuleBase_PageBase.h>
+#include <ModuleBase_Tools.h>
 
 #include <Config_Common.h>
 #include <Config_FeatureMessage.h>
 #include <QMenu>
 #include <QToolButton>
 #include <QAction>
-#include <QDialog>
-#include <QDialogButtonBox>
-#include <QHBoxLayout>
-#include <QtxColorButton.h>
 
 #ifdef _DEBUG
 #include <QDebug>
 #include <dlfcn.h>
 #endif
 
-QMap<QString, QString> XGUI_Workshop::myIcons;
-
-
-QIcon XGUI_Workshop::featureIcon(const FeaturePtr& theFeature)
-{
-  QIcon anIcon;
-
-  std::string aKind = theFeature->getKind();
-  QString aId(aKind.c_str());
-  if (!myIcons.contains(aId))
-    return anIcon;
-
-  QString anIconString = myIcons[aId];
+//#define DEBUG_FEATURE_CREATED
+//#define DEBUG_FEATURE_REDISPLAY
 
-  ModelAPI_ExecState aState = theFeature->data()->execState();
-  switch(aState) {
-    case ModelAPI_StateDone:
-    case ModelAPI_StateNothing: {
-      anIcon = QIcon(anIconString);
-    }
-    break;
-    case ModelAPI_StateMustBeUpdated: {
-      anIcon = ModuleBase_Tools::lighter(anIconString);
-    }
-    break;
-    case ModelAPI_StateExecFailed: {
-      anIcon = ModuleBase_Tools::composite(":pictures/exec_state_failed.png", anIconString);
-    }
-    break;
-    case ModelAPI_StateInvalidArgument: {
-      anIcon = ModuleBase_Tools::composite(":pictures/exec_state_invalid_parameters.png",
-                                           anIconString);
-    }
-    break;
-    default: break;  
-  }
-  return anIcon;  
-}
 
 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
     : QObject(),
@@ -140,7 +104,8 @@ XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
       myObjectBrowser(0),
       myDisplayer(0),
       myUpdatePrefs(false),
-      myPartActivating(false)
+      myPartActivating(false),
+      myIsLoadingData(false)
 {
   myMainWindow = mySalomeConnector ? 0 : new AppElements_MainWindow();
 
@@ -198,14 +163,15 @@ void XGUI_Workshop::startApplication()
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
   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_LongOp::eventID());
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_PLUGIN_LOADED));
-  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));
 
+  aLoop->registerListener(this, Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED));
+  aLoop->registerListener(this, Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED));
+
   registerValidators();
 
   // Calling of  loadCustomProps before activating module is required
@@ -376,10 +342,6 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
     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)) {
-    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()) {
       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
@@ -419,30 +381,7 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
           updateCommandStatus();
       }
     }
-  } else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_DOCUMENT_CHANGED)) {
-    myActionsMgr->update();
-    // Find and Activate active part
-    if (myPartActivating)
-      return;
-    SessionPtr aMgr = ModelAPI_Session::get();
-    DocumentPtr aActiveDoc = aMgr->activeDocument();
-    DocumentPtr aDoc = aMgr->moduleDocument();
-    if (aActiveDoc == aDoc) {
-      activatePart(ResultPartPtr()); 
-      return;
-    }
-    std::string aGrpName = ModelAPI_ResultPart::group();
-    for (int i = 0; i < aDoc->size(aGrpName); i++) {
-      ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aDoc->object(aGrpName, i));
-      if (aPart->partDoc() == aActiveDoc) {
-        activatePart(aPart); // Activate a part which corresponds to active Doc
-        return;
-      }
-    }
-    // If not found then activate global document
-    activatePart(ResultPartPtr()); 
-
-  }
+  } 
   else if (theMessage->eventID() == Events_Loop::eventByName(EVENT_SELFILTER_LOADED)) {
     std::shared_ptr<Config_SelectionFilterMessage> aMsg = 
       std::dynamic_pointer_cast<Config_SelectionFilterMessage>(theMessage);
@@ -453,6 +392,12 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
                                aMsg->parameters());
       }
     }
+  } else if (theMessage->eventID() == Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED)) {
+    // the viewer's update context will not happens until viewer updated is emitted
+    myDisplayer->enableUpdateViewer(false);
+  } else if (theMessage->eventID() == Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED)) {
+    // the viewer's update context is unblocked, the viewer's update works
+    myDisplayer->enableUpdateViewer(true);
   } else {
     //Show error dialog if error message received.
     std::shared_ptr<Events_Error> anAppError = std::dynamic_pointer_cast<Events_Error>(theMessage);
@@ -498,8 +443,8 @@ void XGUI_Workshop::onFeatureUpdatedMsg(const std::shared_ptr<ModelAPI_ObjectUpd
     }
   }
   myOperationMgr->onValidateOperation();
-  if (myObjectBrowser)
-    myObjectBrowser->processEvent(theMsg);
+  //if (myObjectBrowser)
+  //  myObjectBrowser->processEvent(theMsg);
 }
 
 //******************************************************
@@ -507,9 +452,20 @@ void XGUI_Workshop::onFeatureRedisplayMsg(const std::shared_ptr<ModelAPI_ObjectU
 {
   std::set<ObjectPtr> aObjects = theMsg->objects();
   std::set<ObjectPtr>::const_iterator aIt;
+
+#ifdef DEBUG_FEATURE_REDISPLAY
+  QStringList anInfo;
+  for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
+    anInfo.append(ModuleBase_Tools::objectInfo((*aIt)));
+  }
+  QString anInfoStr = anInfo.join(", ");
+  qDebug(QString("onFeatureRedisplayMsg: %1, %2").arg(aObjects.size()).arg(anInfoStr).toStdString().c_str());
+#endif
+
   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
     ObjectPtr aObj = (*aIt);
 
+    // Hide the object if it is invalid or concealed one
     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);
@@ -518,19 +474,34 @@ void XGUI_Workshop::onFeatureRedisplayMsg(const std::shared_ptr<ModelAPI_ObjectU
     if (aHide)
       myDisplayer->erase(aObj, false);
     else {
-      if (myDisplayer->isVisible(aObj))  {
-        displayObject(aObj);  // In order to update presentation
+      // Redisplay the visible object or the object of the current operation
+      bool isVisibleObject = myDisplayer->isVisible(aObj);
+      #ifdef DEBUG_FEATURE_REDISPLAY
+      //QString anObjInfo = ModuleBase_Tools::objectInfo((aObj));
+      //qDebug(QString("visible=%1 : display= %2").arg(isVisibleObject).arg(anObjInfo).toStdString().c_str());
+      #endif
+
+      if (isVisibleObject)  { // redisplay visible object
+        //displayObject(aObj);  // In order to update presentation
+        // in order to avoid the check whether the object can be redisplayed, the exact method
+        // of redisplay is called. This modification is made in order to have the line is updated
+        // by creation of a horizontal constraint on the line by preselection
+        myDisplayer->redisplay(aObj, false);
         if (myOperationMgr->hasOperation()) {
           ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
           if (!aOperation->isEditOperation() &&
               aOperation->hasObject(aObj) && myDisplayer->isActive(aObj))
             myDisplayer->deactivate(aObj);
         }
-      } else {
-        if (myOperationMgr->hasOperation()) {
+      } else { // display object if the current operation has it
+        ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
+        if (aOperation && aOperation->hasObject(aObj)) {
           ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-          if (myModule->canDisplayObject(aObj)) {
-            displayObject(aObj);
+          #ifdef DEBUG_FEATURE_REDISPLAY
+            QString anObjInfo = ModuleBase_Tools::objectInfo((aObj));
+            qDebug(QString("  display object = %1").arg(anObjInfo).toStdString().c_str());
+          #endif
+          if (displayObject(aObj)) {
             // Deactivate object of current operation from selection
             if (myDisplayer->isActive(aObj))
               myDisplayer->deactivate(aObj);
@@ -546,24 +517,35 @@ void XGUI_Workshop::onFeatureRedisplayMsg(const std::shared_ptr<ModelAPI_ObjectU
 void XGUI_Workshop::onFeatureCreatedMsg(const std::shared_ptr<ModelAPI_ObjectUpdatedMessage>& theMsg)
 {
   std::set<ObjectPtr> aObjects = theMsg->objects();
-
   std::set<ObjectPtr>::const_iterator aIt;
-  bool aHasPart = false;
-  bool isDisplayed = false;
+#ifdef DEBUG_FEATURE_CREATED
+  QStringList anInfo;
   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
+    anInfo.append(ModuleBase_Tools::objectInfo((*aIt)));
+  }
+  QString anInfoStr = anInfo.join(", ");
+  qDebug(QString("onFeatureCreatedMsg: %1, %2").arg(aObjects.size()).arg(anInfoStr).toStdString().c_str());
+#endif
 
-    ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(*aIt);
-    if (aPart) {
-      aHasPart = true;
+  //bool aHasPart = false;
+  bool isDisplayed = false;
+  for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
+    ObjectPtr anObject = *aIt;
+    // the validity of the data should be checked here in order to avoid display of the objects,
+    // which were created, then deleted, but flush for the creation event happens after that
+    if (!anObject->data() || !anObject->data()->isValid())
+      continue;
+    //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 (myModule->canDisplayObject(*aIt)) {
-      displayObject(*aIt);
-      isDisplayed = true;
-    }
+    //} else {
+    isDisplayed = displayObject(*aIt);
+    //}
   }
-  if (myObjectBrowser)
-    myObjectBrowser->processEvent(theMsg);
+  //if (myObjectBrowser)
+  //  myObjectBrowser->processEvent(theMsg);
   if (isDisplayed)
     myDisplayer->updateViewer();
   //if (aHasPart) { // TODO: Avoid activate last part on loading of document
@@ -571,14 +553,6 @@ void XGUI_Workshop::onFeatureCreatedMsg(const std::shared_ptr<ModelAPI_ObjectUpd
   //}
 }
 
-//******************************************************
-void XGUI_Workshop::onObjectDeletedMsg(const std::shared_ptr<ModelAPI_ObjectDeletedMessage>& theMsg)
-{
-  if (myObjectBrowser)
-    myObjectBrowser->processEvent(theMsg);
-  //std::set<ObjectPtr> aFeatures = theMsg->objects();
-}
-
 //******************************************************
 void XGUI_Workshop::onOperationStarted(ModuleBase_Operation* theOperation)
 {
@@ -620,9 +594,26 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
 
   // Activate objects created by current operation 
   // in order to clean selection modes
+  // the deactivation should be pefromed in the same place, where the mode is activated,
+  // e.g. activation in the current widget activation, deactivation - in the widget's deactivation
+  //QIntList aModes;
+  //myDisplayer->activateObjects(aModes);
+  myModule->operationStopped(theOperation);
+
+  // if the operation is nested, do not deactivate objects
+  //if (myOperationMgr->operationsCount() == 0) {
+    // Activate selection mode for all objects
   QIntList aModes;
+  // TODO: check on OCC_6.9.0
+  // the module current active modes should not be deactivated in order to save the objects selected
+  // the deactivate object in the mode of selection leads to the object is deselected in the viewer.
+  // But, in OCC_6.8.0 this deselection does not happened automatically. It is necessary to call
+  // ClearOutdatedSelection, but this method has an error in the realization, which should be fixed in
+  // the OCC_6.9.0 release. Moreother, it is possible that ClearOutdatedSelection will be called inside
+  // Deactivate method of AIS_InteractiveContext. In this case, we need not call it.
+  module()->activeSelectionModes(aModes);
   myDisplayer->activateObjects(aModes);
-  myModule->operationStopped(theOperation);
+  //}
 }
 
 
@@ -695,15 +686,34 @@ void XGUI_Workshop::addFeature(const std::shared_ptr<Config_FeatureMessage>& the
   }
   ActionInfo aFeatureInfo;
   aFeatureInfo.initFrom(theMessage);
-  // Remember features icons
-  myIcons[QString::fromStdString(theMessage->id())] = aFeatureInfo.iconFile;
 
   QString aWchName = QString::fromStdString(theMessage->workbenchId());
   QStringList aNestedFeatures =
       QString::fromStdString(theMessage->nestedFeatures()).split(" ", QString::SkipEmptyParts);
   QString aDocKind = QString::fromStdString(theMessage->documentKind());
+  QList<QAction*> aNestedActList;
+  bool isColumnButton = !aNestedFeatures.isEmpty();
+  if (isColumnButton) {
+    QString aNestedActions = QString::fromStdString(theMessage->actionsWhenNested());
+    if (aNestedActions.contains("accept")) {
+      QAction* anAction = myActionsMgr->operationStateAction(XGUI_ActionsMgr::AcceptAll, NULL);
+      connect(anAction, SIGNAL(triggered()), myOperationMgr, SLOT(commitAllOperations()));
+      aNestedActList << anAction;
+    }
+    if (aNestedActions.contains("abort")) {
+      QAction* anAction = myActionsMgr->operationStateAction(XGUI_ActionsMgr::AbortAll, NULL);
+      connect(anAction, SIGNAL(triggered()), myOperationMgr, SLOT(abortAllOperations()));
+      aNestedActList << anAction;
+    }
+  }
+
   if (isSalomeMode()) {
-    QAction* aAction = salomeConnector()->addFeature(aWchName, aFeatureInfo);
+    QAction* aAction;
+    if (isColumnButton) {
+      aAction = salomeConnector()->addNestedFeature(aWchName, aFeatureInfo, aNestedActList);
+    } else {
+      aAction = salomeConnector()->addFeature(aWchName, aFeatureInfo);
+    }
     salomeConnector()->setNestedActions(aFeatureInfo.id, aNestedFeatures);
     salomeConnector()->setDocumentKind(aFeatureInfo.id, aDocKind);
 
@@ -734,19 +744,7 @@ void XGUI_Workshop::addFeature(const std::shared_ptr<Config_FeatureMessage>& the
     // Enrich created button with accept/abort buttons if necessary
     AppElements_Button* aButton = aCommand->button();
     if (aButton->isColumnButton()) {
-      QString aNestedActions = QString::fromStdString(theMessage->actionsWhenNested());
-      QList<QAction*> anActList;
-      if (aNestedActions.contains("accept")) {
-        QAction* anAction = myActionsMgr->operationStateAction(XGUI_ActionsMgr::AcceptAll, aButton);
-        connect(anAction, SIGNAL(triggered()), myOperationMgr, SLOT(commitAllOperations()));
-        anActList << anAction;
-      }
-      if (aNestedActions.contains("abort")) {
-        QAction* anAction = myActionsMgr->operationStateAction(XGUI_ActionsMgr::AbortAll, aButton);
-        connect(anAction, SIGNAL(triggered()), myOperationMgr, SLOT(abortAllOperations()));
-        anActList << anAction;
-      }
-      aButton->setAdditionalButtons(anActList);
+      aButton->setAdditionalButtons(aNestedActList);
     }
     myActionsMgr->addCommand(aCommand);
     myModule->actionCreated(aCommand);
@@ -864,10 +862,12 @@ void XGUI_Workshop::onOpen()
     return;
   }
   QApplication::setOverrideCursor(Qt::WaitCursor);
+  myIsLoadingData = true;
   aSession->load(myCurrentDir.toLatin1().constData());
   myObjectBrowser->rebuildDataTree();
   displayAllResults();
   updateCommandStatus();
+  myIsLoadingData = false;
   QApplication::restoreOverrideCursor();
 }
 
@@ -939,6 +939,12 @@ void XGUI_Workshop::onUndo(int theTimes)
 //******************************************************
 void XGUI_Workshop::onRedo(int theTimes)
 {
+  // the viewer update should be blocked in order to avoid the features blinking. For the created
+  // feature a results are created, the flush of the created signal caused the viewer redisplay for
+  // each created result. After a redisplay signal is flushed. So, the viewer update is blocked until
+  // redo of all possible objects happens
+  bool isUpdateEnabled = myDisplayer->enableUpdateViewer(false);
+
   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
   SessionPtr aMgr = ModelAPI_Session::get();
   if (aMgr->isOperation())
@@ -947,6 +953,10 @@ void XGUI_Workshop::onRedo(int theTimes)
     aMgr->redo();
   }
   updateCommandStatus();
+
+  // unblock the viewer update functionality and make update on purpose
+  myDisplayer->enableUpdateViewer(isUpdateEnabled);
+  myDisplayer->updateViewer();
 }
 
 //******************************************************
@@ -963,6 +973,7 @@ void XGUI_Workshop::onRebuild()
   if (!aWasOperation) {
     aMgr->finishOperation();
   }
+  updateCommandStatus();
 }
 
 //******************************************************
@@ -1053,6 +1064,12 @@ bool XGUI_Workshop::activateModule()
   myModule = loadModule(moduleName);
   if (!myModule)
     return false;
+
+  connect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
+    myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
+  connect(myDisplayer, SIGNAL(beforeObjectErase(ObjectPtr, AISObjectPtr)),
+    myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
+
   myModule->createFeatures();
   myActionsMgr->update();
   return true;
@@ -1121,8 +1138,9 @@ QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
   aObjDock->setStyleSheet(
       "::title { position: relative; padding-left: 5px; text-align: left center }");
   myObjectBrowser = new XGUI_ObjectsBrowser(aObjDock);
-  connect(myObjectBrowser, SIGNAL(activePartChanged(ObjectPtr)), this,
-          SLOT(changeCurrentDocument(ObjectPtr)));
+  myObjectBrowser->setDataModel(myModule->dataModel());
+  //connect(myObjectBrowser, SIGNAL(activePartChanged(ObjectPtr)), this,
+  //        SLOT(changeCurrentDocument(ObjectPtr)));
   aObjDock->setWidget(myObjectBrowser);
 
   myContextMenuMgr->connectObjectBrowser();
@@ -1205,23 +1223,6 @@ void XGUI_Workshop::onFeatureTriggered()
   }
 }
 
-//******************************************************
-void XGUI_Workshop::changeCurrentDocument(ObjectPtr theObj)
-{
-  SessionPtr aMgr = ModelAPI_Session::get();
-  if (theObj) {
-    ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theObj);
-    if (aPart) {
-      DocumentPtr aPartDoc = aPart->partDoc();
-      if (aPartDoc) {
-        aMgr->setActiveDocument(aPartDoc);
-        return;
-      }
-    }
-  }
-  aMgr->setActiveDocument(aMgr->moduleDocument());
-}
-
 //******************************************************
 void XGUI_Workshop::salomeViewerSelectionChanged()
 {
@@ -1238,13 +1239,8 @@ ModuleBase_IViewer* XGUI_Workshop::salomeViewer() const
 void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
 {
   QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
-  if ((theId == "ACTIVATE_PART_CMD") && (aObjects.size() > 0)) {
-    ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObjects.first());
-    activatePart(aPart);
-  } else if (theId == "DEACTIVATE_PART_CMD")
-    activatePart(ResultPartPtr());
-  else if (theId == "DELETE_CMD")
-    deleteObjects(aObjects);
+  if (theId == "DELETE_CMD")
+    deleteObjects();
   else if (theId == "COLOR_CMD")
     changeColor(aObjects);
   else if (theId == "SHOW_CMD")
@@ -1259,125 +1255,118 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
     setDisplayMode(aObjects, XGUI_Displayer::Wireframe);
   else if (theId == "HIDEALL_CMD")
     myDisplayer->eraseAll();
-  else if (theId == "EDIT_CMD") {
-    FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObjects.first());
-    if (aFeature)
-      myModule->editFeature(aFeature);
-  }
 }
 
 //**************************************************************
-void XGUI_Workshop::activatePart(ResultPartPtr theFeature)
-{
-  if (!myPartActivating) {
-    myPartActivating = true;
-    if (theFeature)
-      theFeature->activate();
-    changeCurrentDocument(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::deleteObjects(const QObjectPtrList& theList)
+void XGUI_Workshop::deleteObjects()
 {
   ModuleBase_IModule* aModule = module();
-  if (aModule->deleteObjects())
+  // 1. allow the module to delete objects, do nothing if it has succeed
+  if (aModule->deleteObjects()) {
+    updateCommandStatus();
     return;
+  }
 
   if (!isActiveOperationAborted())
     return;
+  QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
+  bool hasResult = false;
+  bool hasFeature = false;
+  bool hasParameter = false;
+  ModuleBase_Tools::checkObjects(anObjects, hasResult, hasFeature, hasParameter);
+  if (!(hasFeature || hasParameter))
+    return;
 
-  QMainWindow* aDesktop = isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
-  std::set<FeaturePtr> aRefFeatures;
-  foreach (ObjectPtr aObj, theList)
+  // 1. start operation
+  QString aDescription = contextMenuMgr()->action("DELETE_CMD")->text();
+  aDescription += tr(" %1");
+  QStringList aObjectNames;
+  foreach (ObjectPtr aObj, anObjects) {
+    if (!aObj->data().get())
+      continue;
+    aObjectNames << QString::fromStdString(aObj->data()->name());
+  }
+  aDescription = aDescription.arg(aObjectNames.join(", "));
+
+  SessionPtr aMgr = ModelAPI_Session::get();
+  aMgr->startOperation(aDescription.toStdString());
+  // 2. close the documents of the removed parts if the result part is in a list of selected objects
+  foreach (ObjectPtr aObj, anObjects)
   {
     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);
+      DocumentPtr aDoc = aObj->document();
+      if (aDoc == aMgr->activeDocument()) {
+        aDoc->close();
       }
     }
   }
+  // 3. delete objects
+  QMainWindow* aDesktop = isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
+  std::set<FeaturePtr> anIgnoredFeatures;
+  if (deleteFeatures(anObjects, anIgnoredFeatures, aDesktop, true)) {
+    myDisplayer->updateViewer();
+    aMgr->finishOperation();
+    updateCommandStatus();
+  }
+  else {
+    aMgr->abortOperation();
+  }
+}
 
-  if (!aRefFeatures.empty()) {
+//**************************************************************
+bool XGUI_Workshop::deleteFeatures(const QObjectPtrList& theList,
+                                   std::set<FeaturePtr> theIgnoredFeatures,
+                                   QWidget* theParent,
+                                   const bool theAskAboutDeleteReferences)
+{
+  // 1. find all referenced features
+  std::set<FeaturePtr> aRefFeatures;
+  foreach (ObjectPtr aObj, theList) {
+    FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
+    if (aFeature.get() != NULL) {
+      aObj->document()->refsToFeature(aFeature, aRefFeatures, false);
+    }
+  }
+  // 2. warn about the references remove, break the delete operation if the user chose it
+  if (theAskAboutDeleteReferences && !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"),
+        theParent, 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;
+      return false;
   }
 
-  QString aDescription = tr("Delete %1");
-  QStringList aObjectNames;
-  foreach (ObjectPtr aObj, theList) {
-    if (!aObj->data().get())
-      continue;
-    aObjectNames << QString::fromStdString(aObj->data()->name());
-  }
-  aDescription = aDescription.arg(aObjectNames.join(", "));
-  SessionPtr aMgr = ModelAPI_Session::get();
-  aMgr->startOperation(aDescription.toStdString());
+  // 3. remove referenced features
   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);
-   }
-
+    FeaturePtr aFeature = (*anIt);
+    DocumentPtr aDoc = aFeature->document();
+    if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end())
+      aDoc->removeFeature(aFeature);
+  }
 
-  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) {
+  // 4. remove the parameter features
+  foreach (ObjectPtr aObj, theList) {
+    FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
+    if (aFeature) {
+      DocumentPtr aDoc = aObj->document();
+      if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end())
         aDoc->removeFeature(aFeature);
-      }
     }
   }
-
-  myDisplayer->updateViewer();
-  aMgr->finishOperation();
-  updateCommandStatus();
+  return true;
 }
 
 bool hasResults(QObjectPtrList theObjects, const std::set<std::string>& theTypes)
@@ -1405,18 +1394,64 @@ bool XGUI_Workshop::canChangeColor() const
   aTypes.insert(ModelAPI_ResultGroup::group());
   aTypes.insert(ModelAPI_ResultConstruction::group());
   aTypes.insert(ModelAPI_ResultBody::group());
+  aTypes.insert(ModelAPI_ResultPart::group());
+
   return hasResults(aObjects, aTypes);
 }
 
+void setColor(ResultPtr theResult, std::vector<int>& theColor)
+{
+  if (!theResult.get())
+    return;
+
+  AttributeIntArrayPtr aColorAttr = theResult->data()->intArray(ModelAPI_Result::COLOR_ID());
+  if (aColorAttr.get() != NULL) {
+    if (!aColorAttr->size()) {
+      aColorAttr->setSize(3);
+    }
+    aColorAttr->setValue(0, theColor[0]);
+    aColorAttr->setValue(1, theColor[1]);
+    aColorAttr->setValue(2, theColor[2]);
+  }
+}
+
 //**************************************************************
 void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
 {
+  AttributeIntArrayPtr aColorAttr;
+  // 1. find the current color of the object. This is a color of AIS presentation
+  // The objects are iterated until a first valid color is found 
   std::vector<int> aColor;
   foreach(ObjectPtr anObject, theObjects) {
-
-    AISObjectPtr anAISObj = myDisplayer->getAISObject(anObject);
-    aColor.resize(3);
-    anAISObj->getColor(aColor[0], aColor[1], aColor[2]);
+    if (anObject->groupName() == ModelAPI_ResultPart::group()) {
+      ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(anObject);
+      DocumentPtr aPartDoc = aPart->partDoc();
+      // the document should be checked on null, because in opened document if the part
+      // has not been activated yet, the part document is empty
+      if (!aPartDoc.get()) {
+        emit errorOccurred(QString::fromLatin1("Color can not be changed on a part with an empty document"));
+      }
+      else {
+        if (aPartDoc->size(ModelAPI_ResultBody::group()) > 0) {
+          ObjectPtr aObject = aPartDoc->object(ModelAPI_ResultBody::group(), 0);
+          ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObject);
+          if (aBody.get()) {
+            std::string aSection, aName, aDefault;
+            aBody->colorConfigInfo(aSection, aName, aDefault);
+            if (!aSection.empty() && !aName.empty()) {
+              aColor = Config_PropManager::color(aSection, aName, aDefault);
+            }
+          }
+        }
+      }
+    }
+    else {
+      AISObjectPtr anAISObj = myDisplayer->getAISObject(anObject);
+      if (anAISObj.get()) {
+        aColor.resize(3);
+        anAISObj->getColor(aColor[0], aColor[1], aColor[2]);
+      }
+    }
     if (!aColor.empty())
       break;
   }
@@ -1424,55 +1459,44 @@ void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
     return;
 
   // 2. show the dialog to change the value
-  QDialog* aDlg = new QDialog();
-  QVBoxLayout* aLay = new QVBoxLayout(aDlg);
-
-  QtxColorButton* aColorBtn = new QtxColorButton(aDlg);
-  aColorBtn->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
-
-  aLay->addWidget(aColorBtn);
-  aColorBtn->setColor(QColor(aColor[0], aColor[1], aColor[2]));
-
-  QDialogButtonBox* aButtons = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
-                                                    Qt::Horizontal, aDlg);
-  connect(aButtons, SIGNAL(accepted()), aDlg, SLOT(accept()));
-  connect(aButtons, SIGNAL(rejected()), aDlg, SLOT(reject()));
-  aLay->addWidget(aButtons);
-
+  XGUI_ColorDialog* aDlg = new XGUI_ColorDialog(mainWindow());
+  aDlg->setColor(aColor);
   aDlg->move(QCursor::pos());
   bool isDone = aDlg->exec() == QDialog::Accepted;
   if (!isDone)
     return;
 
-  QColor aColorResult = aColorBtn->color();
-  int aRedResult = aColorResult.red(),
-      aGreenResult = aColorResult.green(),
-      aBlueResult = aColorResult.blue();
-
-  if (aRedResult == aColor[0] && aGreenResult == aColor[1] && aBlueResult == aColor[2])
-    return;
+  bool isRandomColor = aDlg->isRandomColor();
 
   // 3. abort the previous operation and start a new one
   SessionPtr aMgr = ModelAPI_Session::get();
   bool aWasOperation = aMgr->isOperation(); // keep this value
   if (!aWasOperation) {
-    QString aDescription = contextMenuMgr()->action("DELETE_CMD")->text();
+    QString aDescription = contextMenuMgr()->action("COLOR_CMD")->text();
     aMgr->startOperation(aDescription.toStdString());
   }
 
   // 4. set the value to all results
-  AttributeIntArrayPtr aColorAttr;
   foreach(ObjectPtr anObj, theObjects) {
     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
     if (aResult.get() != NULL) {
-      aColorAttr = aResult->data()->intArray(ModelAPI_Result::COLOR_ID());
-      if (aColorAttr.get() != NULL) {
-        if (!aColorAttr->size()) {
-          aColorAttr->setSize(3);
+      if (aResult->groupName() == ModelAPI_ResultPart::group()) {
+        ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aResult);
+        DocumentPtr aPartDoc = aPart->partDoc();
+        // the document should be checked on null, because in opened document if the part
+        // has not been activated yet, the part document is empty
+        if (aPartDoc.get()) {
+          for (int i = 0; i < aPartDoc->size(ModelAPI_ResultBody::group()); i++) {
+            ObjectPtr aObject = aPartDoc->object(ModelAPI_ResultBody::group(), i);
+            ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObject);
+            std::vector<int> aColorResult = aDlg->getColor();
+            setColor(aBody, aColorResult);
+          }
         }
-        aColorAttr->setValue(0, aRedResult);
-        aColorAttr->setValue(1, aGreenResult);
-        aColorAttr->setValue(2, aBlueResult);
+      }
+      else {
+        std::vector<int> aColorResult = aDlg->getColor();
+        setColor(aResult, aColorResult);
       }
     }
   }
@@ -1567,16 +1591,21 @@ void XGUI_Workshop::closeDocument()
 }
 
 //**************************************************************
-void XGUI_Workshop::displayObject(ObjectPtr theObj)
+bool XGUI_Workshop::displayObject(ObjectPtr theObj)
 {
+  if (!myModule->canDisplayObject(theObj))
+    return false;
+
   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 
+  } else if (!(myIsLoadingData || myPartActivating))
     myDisplayer->display(theObj, false);
+
+  return true;
 }
 
 void XGUI_Workshop::addHistoryMenu(QObject* theObject, const char* theSignal, const char* theSlot)
@@ -1605,7 +1634,13 @@ QList<ActionInfo> XGUI_Workshop::processHistoryList(const std::list<std::string>
     if (isEditing) {
       anId.chop(ModuleBase_Operation::EditSuffix().size());
     }
-    ActionInfo anInfo = myActionsMgr->actionInfoById(anId);
+    ActionInfo anInfo;
+    QAction* aContextMenuAct = myContextMenuMgr->actionByName(anId);
+    if (aContextMenuAct) {
+      anInfo.initFrom(aContextMenuAct);
+    } else {
+      anInfo = myActionsMgr->actionInfoById(anId);
+    }
     if (isEditing) {
       anInfo.text = anInfo.text.prepend("Modify ");
     }