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[modules/shaper.git] / src / XGUI / XGUI_Workshop.cpp
index d892ccf706b3d094dc831519622279f7b8e91d52..41c911529b558fc01f1ebe6032f7a178c3fe7b33 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>
@@ -23,6 +24,7 @@
 #include <AppElements_MainMenu.h>
 #include <AppElements_MainWindow.h>
 #include <AppElements_MenuGroupPanel.h>
+#include <AppElements_Button.h>
 
 #include <ModuleBase_IModule.h>
 #include <ModuleBase_Preferences.h>
 #include <ModelAPI_AttributeDocRef.h>
 #include <ModelAPI_Object.h>
 #include <ModelAPI_Validator.h>
+#include <ModelAPI_ResultGroup.h>
 #include <ModelAPI_ResultConstruction.h>
 #include <ModelAPI_ResultBody.h>
+#include <ModelAPI_AttributeIntArray.h>
 
 //#include <PartSetPlugin_Part.h>
 
@@ -50,7 +54,9 @@
 #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 <QLayout>
 #include <QThread>
 #include <QObject>
+#include <QMenu>
+#include <QToolButton>
+#include <QAction>
+#include <QDialog>
+#include <QDialogButtonBox>
+#include <QHBoxLayout>
+#include <QtxColorButton.h>
 
 #ifdef _DEBUG
 #include <QDebug>
@@ -80,6 +93,9 @@
 #include <dlfcn.h>
 #endif
 
+//#define DEBUG_FEATURE_CREATED
+//#define DEBUG_FEATURE_REDISPLAY
+
 QMap<QString, QString> XGUI_Workshop::myIcons;
 
 
@@ -187,13 +203,16 @@ 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));
 
+  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
@@ -206,6 +225,8 @@ void XGUI_Workshop::startApplication()
   }
   
   onNew();
+
+  emit applicationStarted();
 }
 
 //******************************************************
@@ -220,10 +241,14 @@ 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 +279,23 @@ 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()));
+  AppElements_Button* aUndoButton = qobject_cast<AppElements_Button*>(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()));
+  AppElements_Button* aRedoButton = qobject_cast<AppElements_Button*>(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 +357,6 @@ 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 +371,29 @@ 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 +402,7 @@ 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 +412,6 @@ 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 +426,7 @@ 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)
@@ -437,15 +460,19 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
                                aMsg->parameters());
       }
     }
-  }
-
-  
-  else {
+  } 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);
     if (anAppError) {
       emit errorOccurred(QString::fromLatin1(anAppError->description()));
     }
+    return;
   }
   if (!isSalomeMode()) {
     SessionPtr aMgr = ModelAPI_Session::get();
@@ -454,6 +481,11 @@ 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()
@@ -488,8 +520,20 @@ 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);
@@ -498,19 +542,26 @@ void XGUI_Workshop::onFeatureRedisplayMsg(const std::shared_ptr<ModelAPI_ObjectU
     if (aHide)
       myDisplayer->erase(aObj, false);
     else {
-      if (myDisplayer->isVisible(aObj))  {
+      // 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
         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()) {
+      } else { // display object if the current operation has it
+        ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
+        if (aOperation && aOperation->hasObject(aObj)) {
           ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-          // Display only current operation results if operation has preview
-          if (aOperation->hasObject(aObj)/* && aOperation->hasPreview()*/) {
-            displayObject(aObj);
+          if (displayObject(aObj)) {
             // Deactivate object of current operation from selection
             if (myDisplayer->isActive(aObj))
               myDisplayer->deactivate(aObj);
@@ -526,23 +577,32 @@ 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;
+#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
+
+  //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;
+    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 (myOperationMgr->hasOperation()) {
-      ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-      if (aOperation->hasObject(*aIt)) {  // Display only current operation results
-        displayObject(*aIt);
-        isDisplayed = true;
-      }
-    }
+    //} else {
+    isDisplayed = displayObject(*aIt);
+    //}
   }
   if (myObjectBrowser)
     myObjectBrowser->processEvent(theMsg);
@@ -581,7 +641,7 @@ void XGUI_Workshop::onOperationResumed(ModuleBase_Operation* theOperation)
   setNestedFeatures(theOperation);
 
   if (theOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
-    connectWithOperation(theOperation);
+    // connectWithOperation(theOperation); already connected
     setPropertyPanel(theOperation);
   }
   updateCommandStatus();
@@ -602,8 +662,10 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
 
   // Activate objects created by current operation 
   // in order to clean selection modes
-  QIntList aModes;
-  myDisplayer->activateObjects(aModes);
+  // 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);
 }
 
@@ -635,17 +697,14 @@ void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
 
   myPropertyPanel->cleanContent();
   aFactory.createWidget(myPropertyPanel->contentWidget());
-  ModuleBase_Tools::zeroMargins(myPropertyPanel->contentWidget());
 
   QList<ModuleBase_ModelWidget*> aWidgets = aFactory.getModelWidgets();
   foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
-    aWidget->setFeature(theOperation->feature());
+    bool isStoreValue = !theOperation->isEditOperation() &&
+                        !aWidget->getDefaultValue().empty() &&
+                        !aWidget->isComputedDefault();
+    aWidget->setFeature(theOperation->feature(), isStoreValue);
     aWidget->enableFocusProcessing();
-    QObject::connect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onWidgetValuesChanged()));
-    // Init default values
-    if (!theOperation->isEditOperation() && !aWidget->isComputedDefault()) {
-      aWidget->storeValue();
-    }
   }
   
   myPropertyPanel->setModelWidgets(aWidgets);
@@ -678,28 +737,24 @@ 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) {
@@ -711,19 +766,32 @@ 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,
+                                                       aNestedFeatures);
+    // 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);
+    }
     myActionsMgr->addCommand(aCommand);
     myModule->actionCreated(aCommand);
   }
@@ -900,25 +968,39 @@ 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)
 {
+  // 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())
     operationMgr()->onAbortOperation();
-  aMgr->redo();
+  for (int i = 0; i < theTimes; ++i) {
+    aMgr->redo();
+  }
   updateCommandStatus();
+
+  // unblock the viewer update functionality and make update on purpose
+  myDisplayer->enableUpdateViewer(isUpdateEnabled);
+  myDisplayer->updateViewer();
 }
 
 //******************************************************
@@ -927,7 +1009,7 @@ 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>(
@@ -1025,6 +1107,12 @@ 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;
@@ -1054,8 +1142,10 @@ void XGUI_Workshop::updateCommandStatus()
         // Enable all commands
         aCmd->setEnabled(true);
     }
-    aUndoCmd->setEnabled(aMgr->canUndo() && !aMgr->isOperation());
-    aRedoCmd->setEnabled(aMgr->canRedo() && !aMgr->isOperation());
+
+    aUndoCmd->setEnabled(myModule->canUndo());
+    aRedoCmd->setEnabled(myModule->canRedo());
+    updateHistory();
   } else {
     foreach(QAction* aCmd, aCommands) {
       QString aId = aCmd->data().toString();
@@ -1071,6 +1161,17 @@ void XGUI_Workshop::updateCommandStatus()
   emit commandStatusUpdated();
 }
 
+void XGUI_Workshop::updateHistory()
+{
+  std::list<std::string> aUndoList = ModelAPI_Session::get()->undoList();
+  QList<ActionInfo> aUndoRes = processHistoryList(aUndoList);
+  emit updateUndoHistory(aUndoRes);
+
+  std::list<std::string> aRedoList = ModelAPI_Session::get()->redoList();
+  QList<ActionInfo> aRedoRes = processHistoryList(aRedoList);
+  emit updateRedoHistory(aRedoRes);
+}
+
 //******************************************************
 QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
 {
@@ -1099,24 +1200,26 @@ void XGUI_Workshop::createDockWidgets()
   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
   myPropertyPanel = new XGUI_PropertyPanel(aDesktop);
+  myPropertyPanel->setupActions(myActionsMgr);
   myPropertyPanel->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea | Qt::BottomDockWidgetArea);
-
-  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);
 
-  QPushButton* aOkBtn = myPropertyPanel->findChild<QPushButton*>(PROP_PANEL_OK);
-  connect(aOkBtn, SIGNAL(clicked()), myOperationMgr, SLOT(onCommitOperation()));
-  QPushButton* aCancelBtn = myPropertyPanel->findChild<QPushButton*>(PROP_PANEL_CANCEL);
-  connect(aCancelBtn, SIGNAL(clicked()), myOperationMgr, SLOT(onAbortOperation()));
-  connect(myPropertyPanel, SIGNAL(keyReleased(QKeyEvent*)), myOperationMgr,
-          SLOT(onKeyReleased(QKeyEvent*)));
-  connect(myOperationMgr, SIGNAL(operationValidated(bool)), myPropertyPanel,
-          SLOT(setAcceptEnabled(bool)));
+  QAction* aOkAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Accept);
+  connect(aOkAct, SIGNAL(triggered()), myOperationMgr, SLOT(onCommitOperation()));
+  QAction* aCancelAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Abort);
+  connect(aCancelAct, SIGNAL(triggered()), myOperationMgr, SLOT(onAbortOperation()));
+  connect(myPropertyPanel, SIGNAL(noMoreWidgets()), myModule, SLOT(onNoMoreWidgets()));
+  connect(myPropertyPanel, SIGNAL(keyReleased(QKeyEvent*)),
+          myOperationMgr,  SLOT(onKeyReleased(QKeyEvent*)));
+  connect(myOperationMgr,  SIGNAL(validationStateChanged(bool)),
+          aOkAct,          SLOT(setEnabled(bool)));
+  QAction* aAcceptAllAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::AcceptAll);
+  connect(myOperationMgr,  SIGNAL(nestedStateChanged(bool)),
+          aAcceptAllAct,   SLOT(setEnabled(bool)));
 
 }
 
@@ -1124,7 +1227,7 @@ 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();
@@ -1134,7 +1237,7 @@ 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();
 }
@@ -1201,7 +1304,9 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
   } else if (theId == "DEACTIVATE_PART_CMD")
     activatePart(ResultPartPtr());
   else if (theId == "DELETE_CMD")
-    deleteObjects(aObjects);
+    deleteObjects();
+  else if (theId == "COLOR_CMD")
+    changeColor(aObjects);
   else if (theId == "SHOW_CMD")
     showObjects(aObjects, true);
   else if (theId == "HIDE_CMD")
@@ -1221,24 +1326,6 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
   }
 }
 
-//**************************************************************
-void XGUI_Workshop::onWidgetValuesChanged()
-{
-  ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
-  FeaturePtr aFeature = anOperation->feature();
-
-  ModuleBase_ModelWidget* aSenderWidget = dynamic_cast<ModuleBase_ModelWidget*>(sender());
-
-  const QList<ModuleBase_ModelWidget*>& aWidgets = myPropertyPanel->modelWidgets();
-  QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
-  for (; anIt != aLast; anIt++) {
-    ModuleBase_ModelWidget* aCustom = *anIt;
-    if (aCustom && (aCustom == aSenderWidget)) {
-      aCustom->storeValue();
-    }
-  }
-}
-
 //**************************************************************
 void XGUI_Workshop::activatePart(ResultPartPtr theFeature)
 {
@@ -1250,50 +1337,224 @@ void XGUI_Workshop::activatePart(ResultPartPtr theFeature)
     myObjectBrowser->activatePart(theFeature);
     myPartActivating = false;
   }
+  updateCommandStatus();
 }
 
 //**************************************************************
-void XGUI_Workshop::activateLastPart()
+//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()
 {
+  ModuleBase_IModule* aModule = module();
+  // 1. allow the module to delete objects, do nothing if it has succeed
+  if (aModule->deleteObjects())
+    return;
+
+  if (!isActiveOperationAborted())
+    return;
+  QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
+  // 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();
-  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);
+  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) {
+      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();
   }
 }
 
 //**************************************************************
-void XGUI_Workshop::deleteObjects(const QObjectPtrList& theList)
+bool XGUI_Workshop::deleteFeatures(const QObjectPtrList& theList,
+                                   std::set<FeaturePtr> theIgnoredFeatures,
+                                   QWidget* theParent,
+                                   const bool theAskAboutDeleteReferences)
 {
-  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();
+  // 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++) {
+      aRefNames.append((*anIt)->name().c_str());
+    }
+    QString aNames = aRefNames.join(", ");
+
+    QMessageBox::StandardButton aRes = QMessageBox::warning(
+        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 false;
+  }
+
+  // 3. remove referenced features
+  std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
+                                       aLast = aRefFeatures.end();
+  for (; anIt != aLast; anIt++) {
+    FeaturePtr aFeature = (*anIt);
+    DocumentPtr aDoc = aFeature->document();
+    if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end())
+      aDoc->removeFeature(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);
+    }
+  }
+  return true;
+}
+
+bool hasResults(QObjectPtrList theObjects, const std::set<std::string>& theTypes)
+{
+  bool isFoundResultType = false;
+  foreach(ObjectPtr anObj, theObjects)
+  {
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
+    if (aResult.get() == NULL)
+      continue;
+
+    isFoundResultType = theTypes.find(aResult->groupName()) != theTypes.end();
+    if (isFoundResultType)
+      break;
+  }
+  return isFoundResultType;
+}
+
+//**************************************************************
+bool XGUI_Workshop::canChangeColor() const
+{
+  QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
+
+  std::set<std::string> aTypes;
+  aTypes.insert(ModelAPI_ResultGroup::group());
+  aTypes.insert(ModelAPI_ResultConstruction::group());
+  aTypes.insert(ModelAPI_ResultBody::group());
+  return hasResults(aObjects, aTypes);
+}
+
+//**************************************************************
+void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
+{
+  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 (!aColor.empty())
+      break;
+  }
+  if (aColor.size() != 3)
+    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);
+
+  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;
+
+  // 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();
+    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);
         }
-        //aMgr->moduleDocument()->removeFeature(aPart->owner());
-      } else {
-        FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
-        if (aFeature)
-          aObj->document()->removeFeature(aFeature);
+        aColorAttr->setValue(0, aRedResult);
+        aColorAttr->setValue(1, aGreenResult);
+        aColorAttr->setValue(2, aBlueResult);
       }
     }
-    myDisplayer->updateViewer();
-    aMgr->finishOperation();
   }
+  if (!aWasOperation)
+    aMgr->finishOperation();
+  updateCommandStatus();
 }
 
 //**************************************************************
@@ -1367,6 +1628,11 @@ 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();
@@ -1377,8 +1643,11 @@ 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();
@@ -1387,4 +1656,41 @@ void XGUI_Workshop::displayObject(ObjectPtr theObj)
       viewer()->fitAll();
   } else 
     myDisplayer->display(theObj, false);
-}
\ No newline at end of file
+
+  return true;
+}
+
+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);
+}
+
+QList<ActionInfo> XGUI_Workshop::processHistoryList(const std::list<std::string>& theList) const
+{
+  QList<ActionInfo> aResult;
+  std::list<std::string>::const_iterator it = theList.cbegin();
+  for (; it != theList.cend(); it++) {
+    QString anId = QString::fromStdString(*it);
+    bool isEditing = anId.endsWith(ModuleBase_Operation::EditSuffix());
+    if (isEditing) {
+      anId.chop(ModuleBase_Operation::EditSuffix().size());
+    }
+    ActionInfo anInfo = myActionsMgr->actionInfoById(anId);
+    if (isEditing) {
+      anInfo.text = anInfo.text.prepend("Modify ");
+    }
+    aResult << anInfo;
+  }
+  return aResult;
+}