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[modules/shaper.git] / src / XGUI / XGUI_PropertyPanel.cpp
old mode 100755 (executable)
new mode 100644 (file)
index f447f24..d2c31c0
@@ -1,20 +1,47 @@
-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
+// Copyright (C) 2014-2019  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
 
-/*
- * XGUI_PropertyPanel.cpp
- *
- *  Created on: Apr 29, 2014
- *      Author: sbh
- */
-
-#include <XGUI_PropertyPanel.h>
 #include <XGUI_ActionsMgr.h>
+#include <XGUI_ActiveControlMgr.h>
+#include <XGUI_SelectionActivate.h>
+#include <XGUI_ActiveControlSelector.h>
+#include <XGUI_PropertyPanel.h>
+#include <XGUI_PropertyPanelSelector.h>
 #include <XGUI_OperationMgr.h>
+#include <XGUI_Tools.h>
+#include <XGUI_Workshop.h>
+
 //#include <AppElements_Constants.h>
 #include <ModuleBase_WidgetMultiSelector.h>
 #include <ModuleBase_Tools.h>
 #include <ModuleBase_PageBase.h>
 #include <ModuleBase_PageWidget.h>
+#include <ModuleBase_WidgetFactory.h>
+#include <ModuleBase_OperationDescription.h>
+#include <ModuleBase_Events.h>
+#include <ModuleBase_IModule.h>
+#include <ModuleBase_IWorkshop.h>
+
+#include <Events_Loop.h>
+
+#include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
 
 #include <QEvent>
 #include <QFrame>
 #include <QVBoxLayout>
 #include <QGridLayout>
 #include <QWidget>
-#include <QToolButton>
 #include <QAction>
 
 #ifdef _DEBUG
 #include <iostream>
 #endif
 
+//#define DEBUG_TAB_WIDGETS
+
+//#define DEBUG_ACTIVE_WIDGET
+
 XGUI_PropertyPanel::XGUI_PropertyPanel(QWidget* theParent, XGUI_OperationMgr* theMgr)
-    : ModuleBase_IPropertyPanel(theParent), 
+    : ModuleBase_IPropertyPanel(theParent),
     myActiveWidget(NULL),
     myPreselectionWidget(NULL),
+    myInternalActiveWidget(NULL),
     myPanelPage(NULL),
     myOperationMgr(theMgr)
 {
-  this->setWindowTitle(tr("Property Panel"));
-  QAction* aViewAct = this->toggleViewAction();
-  this->setObjectName(PROP_PANEL);
+  setWindowTitle(tr("Property Panel"));
+  QAction* aViewAct = toggleViewAction();
+  setObjectName(PROP_PANEL);
   setStyleSheet("::title { position: relative; padding-left: 5px; text-align: left center }");
 
   QWidget* aContent = new QWidget(this);
@@ -49,7 +80,7 @@ XGUI_PropertyPanel::XGUI_PropertyPanel(QWidget* theParent, XGUI_OperationMgr* th
   const int kPanelColumn = 0;
   int aPanelRow = 0;
   aMainLayout->setContentsMargins(3, 3, 3, 3);
-  this->setWidget(aContent);
+  setWidget(aContent);
 
   QFrame* aFrm = new QFrame(aContent);
   aFrm->setFrameStyle(QFrame::Raised);
@@ -63,6 +94,7 @@ XGUI_PropertyPanel::XGUI_PropertyPanel(QWidget* theParent, XGUI_OperationMgr* th
   QStringList aBtnNames;
   aBtnNames << QString(PROP_PANEL_HELP)
             << QString(PROP_PANEL_OK)
+            << QString(PROP_PANEL_OK_PLUS)
             << QString(PROP_PANEL_CANCEL);
   foreach(QString eachBtnName, aBtnNames) {
     QToolButton* aBtn = new QToolButton(aFrm);
@@ -75,6 +107,20 @@ XGUI_PropertyPanel::XGUI_PropertyPanel(QWidget* theParent, XGUI_OperationMgr* th
   myPanelPage = new ModuleBase_PageWidget(aContent);
   myPanelPage->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
   aMainLayout->addWidget(myPanelPage, aPanelRow, kPanelColumn);
+
+  // spit to make the preview button on the bottom of the panel
+  aMainLayout->setRowStretch(aPanelRow++, 1);
+
+  // preview button on the bottom of panel
+  aFrm = new QFrame(aContent);
+  aBtnLay = new QHBoxLayout(aFrm);
+  aBtnLay->addStretch(1);
+  ModuleBase_Tools::zeroMargins(aBtnLay);
+  aMainLayout->addWidget(aFrm, aPanelRow++, kPanelColumn);
+
+  QToolButton* aBtn = new QToolButton(aFrm);
+  aBtn->setObjectName(PROP_PANEL_PREVIEW);
+  aBtnLay->addWidget(aBtn);
 }
 
 XGUI_PropertyPanel::~XGUI_PropertyPanel()
@@ -86,6 +132,10 @@ void XGUI_PropertyPanel::cleanContent()
   if (myActiveWidget)
     myActiveWidget->deactivate();
 
+  XGUI_ActiveControlSelector* aPPSelector = XGUI_Tools::workshop(myOperationMgr->workshop())->
+    activeControlMgr()->getSelector(XGUI_PropertyPanelSelector::Type());
+  aPPSelector->reset(); // it removes need to be updated widget link
+
   /// as the widgets are deleted later, it is important that the signals
   /// of these widgets are not processed. An example of the error is issue 986.
   /// In the given case, the property panel is firstly filled by new widgets
@@ -104,20 +154,31 @@ void XGUI_PropertyPanel::cleanContent()
   myWidgets.clear();
   myPanelPage->clearPage();
   myActiveWidget = NULL;
+  emit propertyPanelDeactivated();
+  myOperationMgr->workshop()->selectionActivate()->updateSelectionModes();
+  myOperationMgr->workshop()->selectionActivate()->updateSelectionFilters();
+#ifdef DEBUG_ACTIVE_WIDGET
+  std::cout << "myActiveWidget = NULL" << std::endl;
+#endif
+
+  findButton(PROP_PANEL_PREVIEW)->setVisible(false); /// by default it is hidden
   setWindowTitle(tr("Property Panel"));
 }
 
 void XGUI_PropertyPanel::setModelWidgets(const QList<ModuleBase_ModelWidget*>& theWidgets)
 {
   myWidgets = theWidgets;
-  if (theWidgets.empty()) return;
+  if (theWidgets.empty())
+    return;
   foreach (ModuleBase_ModelWidget* aWidget, theWidgets) {
     connect(aWidget, SIGNAL(focusInWidget(ModuleBase_ModelWidget*)),
-            this,    SLOT(activateWidget(ModuleBase_ModelWidget*)));
+            this,    SLOT(onFocusInWidget(ModuleBase_ModelWidget*)));
     connect(aWidget, SIGNAL(focusOutWidget(ModuleBase_ModelWidget*)),
-            this,    SLOT(activateNextWidget(ModuleBase_ModelWidget*)));
-    connect(aWidget, SIGNAL(keyReleased(QKeyEvent*)),
-            this,    SIGNAL(keyReleased(QKeyEvent*)));
+            this,    SLOT(onActivateNextWidget(ModuleBase_ModelWidget*)));
+    connect(aWidget, SIGNAL(keyReleased(QObject*, QKeyEvent*)),
+            this,    SIGNAL(keyReleased(QObject*, QKeyEvent*)));
+    connect(aWidget, SIGNAL(enterClicked(QObject*)),
+            this,    SIGNAL(enterClicked(QObject*)));
   }
 }
 
@@ -147,82 +208,264 @@ void XGUI_PropertyPanel::updateContentWidget(FeaturePtr theFeature)
   repaint();
 }
 
+void XGUI_PropertyPanel::createContentPanel(FeaturePtr theFeature)
+{
+  // Invalid feature case on abort of the operation
+  if (theFeature.get() == NULL)
+    return;
+  if (theFeature->isAction() || !theFeature->data())
+    return;
+
+  if (myWidgets.empty()) {
+    ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
+    QString aXmlRepr = anOperation->getDescription()->xmlRepresentation();
+
+    ModuleBase_WidgetFactory aFactory(aXmlRepr.toStdString(), myOperationMgr->workshop());
+    aFactory.createPanel(contentWidget(), theFeature);
+    /// Apply button should be update if the feature was modified by the panel
+    myOperationMgr->onValidateOperation();
+  }
+  std::shared_ptr<Config_FeatureMessage> aFeatureInfo =
+    myOperationMgr->workshop()->featureInfo(theFeature->getKind().c_str());
+  if (aFeatureInfo.get())
+    findButton(PROP_PANEL_OK_PLUS)->setVisible(aFeatureInfo->isApplyContinue());
+}
+
+ModuleBase_ModelWidget* XGUI_PropertyPanel::activeWidget(const bool isUseCustomWidget) const
+{
+  if (isUseCustomWidget && myInternalActiveWidget)
+    return myInternalActiveWidget;
+
+  return myActiveWidget;
+}
+
 void XGUI_PropertyPanel::activateNextWidget(ModuleBase_ModelWidget* theWidget)
+{
+  // it is possible that the property panel widgets have not been visualized
+  // (e.g. on start operation), so it is strictly important to do not check visualized state
+  activateNextWidget(theWidget, false);
+}
+
+void XGUI_PropertyPanel::onFocusInWidget(ModuleBase_ModelWidget* theWidget)
+{
+#ifdef DEBUG_ACTIVE_WIDGET
+  std::cout << "onFocusInWidget" << std::endl;
+#endif
+  if (theWidget->canAcceptFocus())
+    activateWidget(theWidget);
+}
+
+void XGUI_PropertyPanel::onActivateNextWidget(ModuleBase_ModelWidget* theWidget)
+{
+  // this slot happens when some widget lost focus, the next widget which accepts the focus
+  // should be shown, so the second parameter is true
+  // it is important for features where in cases the same attributes are used, isCase for this
+  // attribute returns true, however it can be placed in hidden stack widget(extrusion: elements,
+  // sketch multi rotation -> single/full point)
+  // it is important to check the widget visibility to do not check of the next widget visible
+  // state if the current is not shown. (example: sketch circle re-entrant operation after mouse
+  // release in the viewer, next, radius,
+  // widget should be activated but the first is not visualized)
+  bool isVisible = theWidget->isVisible();
+  activateNextWidget(theWidget, isVisible);
+}
+
+
+void XGUI_PropertyPanel::activateNextWidget(ModuleBase_ModelWidget* theWidget,
+                                            const bool isCheckVisibility)
 {
   // TO CHECK: Editing operation does not have automatical activation of widgets
   if (isEditingMode()) {
     activateWidget(NULL);
     return;
   }
+  ModelAPI_ValidatorsFactory* aValidators = ModelAPI_Session::get()->validators();
+
   QList<ModuleBase_ModelWidget*>::const_iterator anIt = myWidgets.begin(), aLast = myWidgets.end();
   bool isFoundWidget = false;
-  activateWindow();
+  ModuleBase_Tools::activateWindow(this, "XGUI_PropertyPanel::activateNextWidget()");
   for (; anIt != aLast; anIt++) {
+    ModuleBase_ModelWidget* aCurrentWidget = *anIt;
     if (isFoundWidget || !theWidget) {
-      if ((*anIt)->focusTo()) {
+
+      if (!aValidators->isCase(aCurrentWidget->feature(), aCurrentWidget->attributeID()))
+        continue; // this attribute does not participate in the current case
+      if (isCheckVisibility && !aCurrentWidget->isInternal()) {
+        if (!aCurrentWidget->isVisible())
+          continue;
+      }
+      if (!aCurrentWidget->isObligatory())
+        continue; // not obligatory widgets are not activated automatically
+
+      if (!aCurrentWidget->canAcceptFocus())
+        continue; // do not set focus if it can not be accepted, case: optional choice
+
+      if (aCurrentWidget->focusTo()) {
+        aCurrentWidget->emitFocusInWidget();
         return;
       }
     }
     isFoundWidget = isFoundWidget || (*anIt) == theWidget;
   }
+  // set focus to Ok/Cancel button in Property panel if there are no more active widgets
+  // it should be performed before activateWidget(NULL) because it emits some signals which
+  // can be processed by moudule for example as to activate another widget with setting focus
+  QWidget* aNewFocusWidget = 0;
+  QToolButton* anOkBtn = findButton(PROP_PANEL_OK);
+  if (anOkBtn->isEnabled())
+    aNewFocusWidget = anOkBtn;
+  else {
+    QToolButton* aCancelBtn = findButton(PROP_PANEL_CANCEL);
+    if (aCancelBtn->isEnabled())
+      aNewFocusWidget = aCancelBtn;
+  }
+  if (aNewFocusWidget)
+    ModuleBase_Tools::setFocus(aNewFocusWidget, "XGUI_PropertyPanel::activateNextWidget");
+
   activateWidget(NULL);
 }
 
+void findDirectChildren(QWidget* theParent, QList<QWidget*>& theWidgets, const bool theDebug)
+{
+  QList<QWidget*> aWidgets;
+
+  if (theParent) {
+    QLayout* aLayout = theParent->layout();
+    if (aLayout) {
+      for (int i = 0, aCount = aLayout->count(); i < aCount; i++) {
+        QLayoutItem* anItem = aLayout->itemAt(i);
+        QWidget* aWidget = anItem ? anItem->widget() : 0;
+        if (aWidget) {
+          if (aWidget->isVisible()) {
+            if (aWidget->focusPolicy() != Qt::NoFocus)
+              theWidgets.append(aWidget);
+            findDirectChildren(aWidget, theWidgets, false);
+          }
+        }
+        else if (anItem->layout()) {
+          QLayout* aLayout = anItem->layout();
+          for (int i = 0, aCount = aLayout->count(); i < aCount; i++) {
+            QLayoutItem* anItem = aLayout->itemAt(i);
+            QWidget* aWidget = anItem ? anItem->widget() : 0;
+            if (aWidget) {
+              if (aWidget->isVisible()) {
+                if (aWidget->focusPolicy() != Qt::NoFocus)
+                  theWidgets.append(aWidget);
+                findDirectChildren(aWidget, theWidgets, false);
+              }
+            }
+            else {
+              // TODO: improve recursive search for the case when here QLayout is used
+              // currently, the switch widget uses only 1 level of qlayout in qlayout using for
+              // example for construction plane feature. If there are more levels,
+              // it should be implemented here
+            }
+          }
+        }
+      }
+    }
+  }
+#ifdef DEBUG_TAB_WIDGETS
+  if (theDebug) {
+    QStringList aWidgetTypes;
+    QList<QWidget*>::const_iterator anIt =  theWidgets.begin(), aLast = theWidgets.end();
+    for (; anIt != aLast; anIt++) {
+      QWidget* aWidget = *anIt;
+      if (aWidget)
+        aWidgetTypes.append(aWidget->objectName());
+    }
+    QString anInfo = QString("theWidgets[%1]: %2")
+      .arg(theWidgets.count()).arg(aWidgetTypes.join(","));
+    qDebug(anInfo.toStdString().c_str());
+  }
+#endif
+}
+
+bool XGUI_PropertyPanel::setFocusNextPrevChild(bool theIsNext)
+{
+  return focusNextPrevChild(theIsNext);
+}
+
 bool XGUI_PropertyPanel::focusNextPrevChild(bool theIsNext)
 {
   // it wraps the Tabs clicking to follow in the chain:
   // controls, last control, Apply, Cancel, first control, controls
-
   bool isChangedFocus = false;
-  if (theIsNext) { // forward by Tab
-    QToolButton* aCancelBtn = findChild<QToolButton*>(PROP_PANEL_CANCEL);
-    if (aCancelBtn->hasFocus()) {
-      // after cancel, the first control should be focused
-      QWidget* aFirstControl = 0;
-      for (int i = 0, aSize = myWidgets.size(); i < aSize && !aFirstControl; i++)
-        aFirstControl = myWidgets[i]->getControlAcceptingFocus(true);
-      if (aFirstControl)
-        aFirstControl->setFocus();
-        isChangedFocus = true;
-    }
-    else {
-      // after the last control, the Apply button should be focused
-      QWidget* aLastControl = 0;
-      for (int i = myWidgets.size()-1; i >= 0 && !aLastControl; i--)
-        aLastControl = myWidgets[i]->getControlAcceptingFocus(false);
-      if (aLastControl && aLastControl->hasFocus()) {
-        setFocusOnOkButton();
-        isChangedFocus = true;
+
+  QWidget* aFocusWidget = focusWidget();
+#ifdef DEBUG_TAB_WIDGETS
+  if (aFocusWidget) {
+    QString anInfo = QString("focus Widget: %1").arg(aFocusWidget->objectName());
+    qDebug(anInfo.toStdString().c_str());
+  }
+#endif
+  ModuleBase_ModelWidget* aFocusMWidget = ModuleBase_ModelWidget::findModelWidget(this,
+                                                                         aFocusWidget);
+  //if (aFocusMWidget)
+  //  aFocusMWidget->setHighlighted(false);
+
+  QWidget* aNewFocusWidget = 0;
+  if (aFocusWidget) {
+    QList<QWidget*> aChildren;
+    findDirectChildren(this, aChildren, true);
+    int aChildrenCount = aChildren.count();
+    int aFocusWidgetIndex = aChildren.indexOf(aFocusWidget);
+    QToolButton* anOkBtn = findButton(PROP_PANEL_OK);
+    if (aFocusWidgetIndex >= 0) {
+      if (theIsNext) {
+        if (aFocusWidgetIndex == aChildrenCount-1) {
+          // after the last widget focus should be set to "Apply"
+          if (anOkBtn->isEnabled())
+            aNewFocusWidget = anOkBtn;
+          else {
+            QToolButton* aCancelBtn = findButton(PROP_PANEL_CANCEL);
+            if (aCancelBtn->isEnabled())
+              aNewFocusWidget = aCancelBtn;
+          }
+        }
+        else {
+          aNewFocusWidget = aChildren[aFocusWidgetIndex+1];
+        }
+      }
+      else {
+        if (aFocusWidgetIndex == 0) {
+          // before the first widget, the last should accept focus
+          aNewFocusWidget = aChildren[aChildrenCount - 1];
+        }
+        else {
+          // before the "Apply" button, the last should accept focus for consistency with "Next"
+          if (aFocusWidget == anOkBtn) {
+            aNewFocusWidget = aChildren[aChildrenCount - 1];
+          }
+          else {
+            aNewFocusWidget = aChildren[aFocusWidgetIndex-1];
+          }
+        }
       }
     }
   }
-  else { // backward by SHIFT + Tab
-    QToolButton* anOkBtn = findChild<QToolButton*>(PROP_PANEL_OK);
-    if (anOkBtn->hasFocus()) {
-      // after Apply, the last control should be focused
-      QWidget* aLastControl = 0;
-      for (int i = myWidgets.size()-1; i >= 0 && !aLastControl; i--)
-        aLastControl = myWidgets[i]->getControlAcceptingFocus(false);
-      if (aLastControl)
-        aLastControl->setFocus();
-        isChangedFocus = true;
-    }
-    else {
-      // after the first control, the Cancel button should be focused
-      QWidget* aFirstControl = 0;
-      for (int i = 0, aSize = myWidgets.size(); i < aSize && !aFirstControl; i++)
-        aFirstControl = myWidgets[i]->getControlAcceptingFocus(true);
-      if (aFirstControl && aFirstControl->hasFocus()) {
-        QToolButton* aCancelBtn = findChild<QToolButton*>(PROP_PANEL_CANCEL);
-        aCancelBtn->setFocus();
-        isChangedFocus = true;
+  if (aNewFocusWidget) {
+    if (myActiveWidget) {
+      bool isFirstControl = !theIsNext;
+      QWidget* aLastFocusControl = myActiveWidget->getControlAcceptingFocus(isFirstControl);
+      if (aFocusWidget == aLastFocusControl) {
+        setActiveWidget(NULL, false);
       }
     }
-  }
 
-  if (!isChangedFocus)
-    isChangedFocus = ModuleBase_IPropertyPanel::focusNextPrevChild(theIsNext);
+    // we want to have property panel as an active window to enter values in double control
+    ModuleBase_Tools::setFocus(aNewFocusWidget, "XGUI_PropertyPanel::focusNextPrevChild()");
 
+    ModuleBase_ModelWidget* aNewFocusMWidget = ModuleBase_ModelWidget::findModelWidget(this,
+                                                                              aNewFocusWidget);
+    if (aNewFocusMWidget) {
+      if (aFocusMWidget) {
+        aFocusMWidget->setHighlighted(false);
+      }
+      aNewFocusMWidget->emitFocusInWidget();
+      isChangedFocus = true;
+    }
+  }
   return isChangedFocus;
 }
 
@@ -231,53 +474,86 @@ void XGUI_PropertyPanel::activateNextWidget()
   activateNextWidget(myActiveWidget);
 }
 
-void XGUI_PropertyPanel::activateWidget(ModuleBase_ModelWidget* theWidget)
+void XGUI_PropertyPanel::activateWidget(ModuleBase_ModelWidget* theWidget, const bool theEmitSignal)
 {
+  std::string aPreviosAttributeID;
+  if(myActiveWidget)
+    aPreviosAttributeID = myActiveWidget->attributeID();
+
   // Avoid activation of already actve widget. It could happen on focusIn event many times
-  if (setActiveWidget(theWidget)) {
-    if (myActiveWidget) {
-      emit widgetActivated(myActiveWidget);
-    } else if (!isEditingMode()) {
-      emit noMoreWidgets();
-      //setFocusOnOkButton();
-    }
-  }
+  setActiveWidget(theWidget, theEmitSignal);
 }
 
-bool XGUI_PropertyPanel::setActiveWidget(ModuleBase_ModelWidget* theWidget)
+bool XGUI_PropertyPanel::setActiveWidget(ModuleBase_ModelWidget* theWidget, const bool isEmitSignal)
 {
   // Avoid activation of already actve widget. It could happen on focusIn event many times
   if (theWidget == myActiveWidget) {
     return false;
   }
+  std::string aPreviosAttributeID;
+  ModuleBase_ModelWidget* aDeactivatedWidget = NULL, *anActivatedWidget = NULL;
   if(myActiveWidget) {
+    aPreviosAttributeID = myActiveWidget->attributeID();
+    myActiveWidget->processValueState();
     myActiveWidget->deactivate();
     myActiveWidget->setHighlighted(false);
+    aDeactivatedWidget = myActiveWidget;
   }
   if(theWidget) {
     emit beforeWidgetActivated(theWidget);
     theWidget->setHighlighted(true);
     theWidget->activate();
+    anActivatedWidget = theWidget;
   }
   myActiveWidget = theWidget;
+
+#ifdef DEBUG_ACTIVE_WIDGET
+  std::cout << "myActiveWidget = " << (theWidget ? theWidget->context().c_str() : "") << std::endl;
+#endif
+  bool aHasMoreWidgets = true;
+  if (isEmitSignal) {
+    //emit widgetActivated(myActiveWidget);
+    if (!myActiveWidget && !isEditingMode()) {
+      aHasMoreWidgets = false;
+      emit noMoreWidgets(aPreviosAttributeID);
+    }
+  }
+  if (myActiveWidget)
+    emit propertyPanelActivated();
+  else
+    emit propertyPanelDeactivated();
+  myOperationMgr->workshop()->selectionActivate()->updateSelectionModes();
+  myOperationMgr->workshop()->selectionActivate()->updateSelectionFilters();
+
+  if (aHasMoreWidgets && aDeactivatedWidget)
+    aDeactivatedWidget->updateAfterDeactivation();
+  if (aHasMoreWidgets && anActivatedWidget)
+    anActivatedWidget->updateAfterActivation();
+
+  if (aHasMoreWidgets && myActiveWidget)
+  {
+    // restore widget selection should be done after selection modes of widget activating
+    static Events_ID anEvent = Events_Loop::eventByName(EVENT_UPDATE_BY_WIDGET_SELECTION);
+    Events_Loop::loop()->flush(anEvent);
+  }
   return true;
 }
 
 void XGUI_PropertyPanel::setFocusOnOkButton()
 {
-  QToolButton* anOkBtn = findChild<QToolButton*>(PROP_PANEL_OK);
-  anOkBtn->setFocus();
+  QToolButton* anOkBtn = findButton(PROP_PANEL_OK);
+  ModuleBase_Tools::setFocus(anOkBtn, "XGUI_PropertyPanel::setFocusOnOkButton()");
 }
 
 void XGUI_PropertyPanel::setCancelEnabled(bool theEnabled)
 {
-  QToolButton* anCancelBtn = findChild<QToolButton*>(PROP_PANEL_CANCEL);
+  QToolButton* anCancelBtn = findButton(PROP_PANEL_CANCEL);
   anCancelBtn->setEnabled(theEnabled);
 }
 
 bool XGUI_PropertyPanel::isCancelEnabled() const
 {
-  QToolButton* anCancelBtn = findChild<QToolButton*>(PROP_PANEL_CANCEL);
+  QToolButton* anCancelBtn = findButton(PROP_PANEL_CANCEL);
   return anCancelBtn->isEnabled();
 }
 
@@ -292,16 +568,45 @@ void XGUI_PropertyPanel::setEditingMode(bool isEditing)
 void XGUI_PropertyPanel::setupActions(XGUI_ActionsMgr* theMgr)
 {
   QStringList aButtonNames;
-  aButtonNames << PROP_PANEL_OK << PROP_PANEL_CANCEL << PROP_PANEL_HELP;
+  aButtonNames << PROP_PANEL_OK<< PROP_PANEL_OK_PLUS << PROP_PANEL_CANCEL
+               << PROP_PANEL_HELP << PROP_PANEL_PREVIEW;
   QList<XGUI_ActionsMgr::OperationStateActionId> aActionIds;
-  aActionIds << XGUI_ActionsMgr::Accept << XGUI_ActionsMgr::Abort << XGUI_ActionsMgr::Help;
+  aActionIds << XGUI_ActionsMgr::Accept << XGUI_ActionsMgr::AcceptPlus << XGUI_ActionsMgr::Abort
+             << XGUI_ActionsMgr::Help << XGUI_ActionsMgr::Preview;
   for (int i = 0; i < aButtonNames.size(); ++i) {
-    QToolButton* aBtn = findChild<QToolButton*>(aButtonNames.at(i));
+    QToolButton* aBtn = findButton(aButtonNames.at(i).toStdString().c_str());
     QAction* anAct = theMgr->operationStateAction(aActionIds.at(i));
     aBtn->setDefaultAction(anAct);
   }
 }
 
+void XGUI_PropertyPanel::onAcceptData()
+{
+  foreach (ModuleBase_ModelWidget* aWidget, myWidgets) {
+    aWidget->onFeatureAccepted();
+  }
+}
+
+void XGUI_PropertyPanel::setInternalActiveWidget(ModuleBase_ModelWidget* theWidget)
+{
+  if (theWidget)
+  {
+    myInternalActiveWidget = theWidget;
+    emit propertyPanelActivated();
+  }
+  else
+  {
+    if (myInternalActiveWidget)
+    {
+      delete myInternalActiveWidget;
+      myInternalActiveWidget = 0;
+    }
+    emit propertyPanelDeactivated();
+  }
+  myOperationMgr->workshop()->selectionActivate()->updateSelectionModes();
+  myOperationMgr->workshop()->selectionActivate()->updateSelectionFilters();
+}
+
 ModuleBase_ModelWidget* XGUI_PropertyPanel::preselectionWidget() const
 {
   return myPreselectionWidget;
@@ -318,10 +623,18 @@ void XGUI_PropertyPanel::closeEvent(QCloseEvent* theEvent)
   ModuleBase_Operation* aOp = myOperationMgr->currentOperation();
   if (aOp) {
     if (myOperationMgr->canStopOperation(aOp)) {
-      myOperationMgr->abortAllOperations();
-      theEvent->accept();
-    } else 
+      myOperationMgr->abortOperation(aOp);
+      if (myOperationMgr->hasOperation())
+        theEvent->ignore();
+      else
+        theEvent->accept();
+    } else
       theEvent->ignore();
   } else
     ModuleBase_IPropertyPanel::closeEvent(theEvent);
 }
+
+QToolButton* XGUI_PropertyPanel::findButton(const char* theInternalName) const
+{
+  return findChild<QToolButton*>(theInternalName);
+}