Merge remote-tracking branch 'origin/develop' into claudio-dev

src/adaptors/UBCFFSubsetAdaptor.cpp

@@ -174,9 +174,7 @@ bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseGSection(const QDomElement &ele
 
     QDomElement currentSvgElement = element.firstChildElement();
     while (!currentSvgElement.isNull()) {
-        if (!parseSvgElement(currentSvgElement))
+        parseSvgElement(currentSvgElement);
-            return false;
-
         currentSvgElement = currentSvgElement.nextSiblingElement();
     }
 
@@ -187,8 +185,8 @@ bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseGSection(const QDomElement &ele
     else 
     {
         delete mGSectionContainer;
-        mGSectionContainer = NULL;
     }
+    mGSectionContainer = NULL;
 
     return true;
 }
@@ -1189,8 +1187,6 @@ bool UBCFFSubsetAdaptor::UBCFFSubsetReader::persistScenes()
         UBGraphicsScene *tmpScene = UBSvgSubsetAdaptor::loadScene(mProxy, i);
         tmpScene->setModified(true);
         UBThumbnailAdaptor::persistScene(mProxy, tmpScene, i);
-        delete tmpScene;
-
         mCurrentScene->setModified(false);
     }
 

src/api/UBWidgetUniboardAPI.cpp

@@ -250,7 +250,7 @@ void UBWidgetUniboardAPI::eraseLineTo(const qreal x, const qreal y, const qreal
 void UBWidgetUniboardAPI::clear()
 {
     if (mScene)
-            mScene->clearItemsAndAnnotations();
+            mScene->clearContent(UBGraphicsScene::clearItemsAndAnnotations);
 }
 
 

src/board/UBBoardController.cpp

@@ -553,15 +553,15 @@ void UBBoardController::duplicateItem(UBItem *item)
         qreal shifting = UBSettings::settings()->objectFrameWidth;
         itemPos = commonItem->pos() + QPointF(shifting,shifting);
         itemSize = commonItem->boundingRect().size();
+        commonItem->setSelected(false);
     }
 
     UBMimeType::Enum itemMimeType;
     QString contentTypeHeader = UBFileSystemUtils::mimeTypeFromFileName(item->sourceUrl().toLocalFile());
-    if(NULL != qgraphicsitem_cast<UBGraphicsGroupContainerItem*>(commonItem)){
+    if(NULL != qgraphicsitem_cast<UBGraphicsGroupContainerItem*>(commonItem))
         itemMimeType = UBMimeType::Group;
-    }else{
+    else 
         itemMimeType = UBFileSystemUtils::mimeTypeFromString(contentTypeHeader);
-    }
         
     switch(static_cast<int>(itemMimeType))
     {
@@ -633,10 +633,10 @@ void UBBoardController::duplicateItem(UBItem *item)
             QGraphicsItem *gitem = dynamic_cast<QGraphicsItem*>(item->deepCopy());
             if (gitem)
             {   
-            	qDebug() << "Adding a stroke: " << gitem;
                 mActiveScene->addItem(gitem);
                 gitem->setPos(itemPos);
                 mLastCreatedItem = gitem;
+                gitem->setSelected(true);
             }
             return;
         }break;
@@ -683,7 +683,7 @@ void UBBoardController::clearScene()
     if (mActiveScene)
     {
         freezeW3CWidgets(true);
-        mActiveScene->clearItemsAndAnnotations();
+        mActiveScene->clearContent(UBGraphicsScene::clearItemsAndAnnotations);
         updateActionStates();
     }
 }
@@ -694,7 +694,7 @@ void UBBoardController::clearSceneItems()
     if (mActiveScene)
     {
         freezeW3CWidgets(true);
-        mActiveScene->clearItems();
+        mActiveScene->clearContent(UBGraphicsScene::clearItems);
         updateActionStates();
     }
 }
@@ -704,7 +704,7 @@ void UBBoardController::clearSceneAnnotation()
 {
     if (mActiveScene)
     {
-        mActiveScene->clearAnnotations();
+        mActiveScene->clearContent(UBGraphicsScene::clearAnnotations);
         updateActionStates();
     }
 }
@@ -713,7 +713,7 @@ void UBBoardController::clearSceneBackground()
 {
     if (mActiveScene)
     {
-        mActiveScene->clearBackground();
+        mActiveScene->clearContent(UBGraphicsScene::clearBackground);
         updateActionStates();
     }
 }
@@ -1482,11 +1482,12 @@ void UBBoardController::ClearUndoStack()
         UBGraphicsItemUndoCommand *cmd = (UBGraphicsItemUndoCommand*)UBApplication::undoStack->command(i);
 
         // go through all added and removed objects, for create list of unique objects
+        // grouped items will be deleted by groups, so we don't need do delete that items.
         QSetIterator<QGraphicsItem*> itAdded(cmd->GetAddedList());
         while (itAdded.hasNext())
         {
             QGraphicsItem* item = itAdded.next();
-            if( !uniqueItems.contains(item) )
+            if( !uniqueItems.contains(item) && !(item->parentItem() && UBGraphicsGroupContainerItem::Type == item->parentItem()->type()))
                 uniqueItems.insert(item);
         }
 
@@ -1494,7 +1495,7 @@ void UBBoardController::ClearUndoStack()
         while (itRemoved.hasNext())
         {
             QGraphicsItem* item = itRemoved.next();
-            if( !uniqueItems.contains(item) )
+            if( !uniqueItems.contains(item) && !(item->parentItem() && UBGraphicsGroupContainerItem::Type == item->parentItem()->type()))
                 uniqueItems.insert(item);
         }
     }
@@ -1515,7 +1516,8 @@ void UBBoardController::ClearUndoStack()
         }
         if(!scene)
         {
-            mActiveScene->deleteItem(item);
+           if (!mActiveScene->deleteItem(item))
+               delete item;
         }
     }
 
@@ -1549,7 +1551,6 @@ void UBBoardController::changeBackground(bool isDark, bool isCrossed)
     }
 }
 
-
 void UBBoardController::boardViewResized(QResizeEvent* event)
 {
     Q_UNUSED(event);

src/board/UBBoardView.cpp

@@ -528,6 +528,8 @@ Here we determines cases when items should to get mouse press event at pressing
         return true;
 
     case DelegateButton::Type:
+        return true;
+
     case UBGraphicsMediaItem::Type:
         return false;
 
@@ -1123,6 +1125,7 @@ UBBoardView::mouseReleaseEvent (QMouseEvent *event)
           else
           {
              if (isUBItem(movingItem) &&
+                DelegateButton::Type != movingItem->type() &&
                 QGraphicsSvgItem::Type !=  movingItem->type() &&
                 UBGraphicsDelegateFrame::Type !=  movingItem->type() &&
                 UBToolWidget::Type != movingItem->type() &&

src/desktop/UBDesktopAnnotationController.cpp

@@ -274,7 +274,7 @@ void UBDesktopAnnotationController::eraseDesktopAnnotations()
 {
     if (mTransparentDrawingScene)
     {
-        mTransparentDrawingScene->clearAnnotations();
+        mTransparentDrawingScene->clearContent(UBGraphicsScene::clearAnnotations);
     }
 }
 

src/document/UBDocumentController.cpp

@@ -117,8 +117,11 @@ UBDocumentProxyTreeItem* UBDocumentController::findDocument(UBDocumentProxy* pro
 
 void UBDocumentController::selectDocument(UBDocumentProxy* proxy, bool setAsCurrentDocument)
 {
-    if (!proxy)
+    if (proxy==NULL)
+    {
+        setDocument(NULL);
         return;
+    }
 
     QTreeWidgetItemIterator it(mDocumentUI->documentTreeWidget);
 
@@ -524,31 +527,8 @@ void UBDocumentController::duplicateSelectedItem()
     }
 }
 
-
+void UBDocumentController::moveDocumentToTrash(UBDocumentGroupTreeItem* groupTi, UBDocumentProxyTreeItem *proxyTi)
-void UBDocumentController::deleteSelectedItem()
-{
-    if (mSelectionType == Page)
-    {
-        QList<QGraphicsItem*> selectedItems = mDocumentUI->thumbnailWidget->selectedItems();
-
-        deletePages(selectedItems);
-    }
-    else
-    {
-
-        UBDocumentProxyTreeItem *proxyTi = selectedDocumentProxyTreeItem();
-
-        UBDocumentGroupTreeItem* groupTi = selectedDocumentGroupTreeItem();
-
-        if (proxyTi && proxyTi->proxy() && proxyTi->parent())
 {
-            if(UBApplication::mainWindow->yesNoQuestion(tr("Remove Document"), tr("Are you sure you want to remove the document '%1'?").arg(proxyTi->proxy()->metaData(UBSettings::documentName).toString())))
-            {
-                if (proxyTi->parent() != mTrashTi)
-                {
-                    // We have to move document into Trash
-                    // Select another document for processing
-                    // This is for Board, where this document can be selected
     int index = proxyTi->parent()->indexOfChild(proxyTi);
     index --;
 
@@ -612,54 +592,9 @@ void UBDocumentController::deleteSelectedItem()
     mTrashTi->addChild(proxyTi);
     proxyTi->setFlags(proxyTi->flags() ^ Qt::ItemIsEditable);
 }
-                else
-                {
-                    // We have to physical delete document
-                    // No action with selection required - document from Trash cant be selected in Board
-
-                    proxyTi->parent()->removeChild(proxyTi);
-                    UBPersistenceManager::persistenceManager()->deleteDocument(proxyTi->proxy());
-                }
-            }
-        }
-        else if (groupTi)
-        {
-            if (groupTi == mTrashTi)
-            {
-                if(UBApplication::mainWindow->yesNoQuestion(tr("Empty Trash"), tr("Are you sure you want to empty trash?")))
-                {
-                    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
-                    QList<UBDocumentProxyTreeItem*> toBeDeleted;
-
-                    for (int i = 0; i < groupTi->childCount(); i++)
-                    {
-                        UBDocumentProxyTreeItem* proxyTi = dynamic_cast<UBDocumentProxyTreeItem*>(groupTi->child(i));
-                        if (proxyTi && proxyTi->proxy())
-                            toBeDeleted << proxyTi;
-                    }
-
-                    showMessage(tr("Emptying trash"));
-
-                    for (int i = 0; i < toBeDeleted.count(); i++)
-                    {
-                        UBDocumentProxyTreeItem* proxyTi = toBeDeleted.at(i);
-
-                        proxyTi->parent()->removeChild(proxyTi);
-                        UBPersistenceManager::persistenceManager()->deleteDocument(proxyTi->proxy());
-                    }
 
-                    showMessage(tr("Emptied trash"));
+void UBDocumentController::moveFolderToTrash(UBDocumentGroupTreeItem* groupTi)
-
-                    QApplication::restoreOverrideCursor();
-                    mMainWindow->actionDelete->setEnabled(false);
-                }
-            }
-            else
-            {
-                if(UBApplication::mainWindow->yesNoQuestion(tr("Remove Folder"), tr("Are you sure you want to remove the folder '%1' and all its content?").arg(groupTi->groupName())))
 {
-                    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
-
     bool changeCurrentDocument = false;
     for (int i = 0; i < groupTi->childCount(); i++)
     {
@@ -737,9 +672,84 @@ void UBDocumentController::deleteSelectedItem()
         }
     }
 
+    reloadThumbnails();
+}
+
+void UBDocumentController::deleteSelectedItem()
+{
+    if (mSelectionType == Page)
+    {
+        QList<QGraphicsItem*> selectedItems = mDocumentUI->thumbnailWidget->selectedItems();
+
+        deletePages(selectedItems);
+    }
+    else
+    {
+
+        UBDocumentProxyTreeItem *proxyTi = selectedDocumentProxyTreeItem();
+
+        UBDocumentGroupTreeItem* groupTi = selectedDocumentGroupTreeItem();
+
+        if (proxyTi && proxyTi->proxy() && proxyTi->parent())
+        {
+            if(UBApplication::mainWindow->yesNoQuestion(tr("Remove Document"), tr("Are you sure you want to remove the document '%1'?").arg(proxyTi->proxy()->metaData(UBSettings::documentName).toString())))
+            {
+                if (proxyTi->parent() != mTrashTi)
+                {
+                    moveDocumentToTrash(groupTi, proxyTi);
+                }
+                else
+                {
+                    // We have to physically delete document
+                    proxyTi->parent()->removeChild(proxyTi);
+                    UBPersistenceManager::persistenceManager()->deleteDocument(proxyTi->proxy());
 
+                    if (mTrashTi->childCount()==0)
+                        selectDocument(NULL);
+                    else
+                        selectDocument(((UBDocumentProxyTreeItem*)mTrashTi->child(0))->proxy());
                     reloadThumbnails();
+                }
+            }
+        }
+        else if (groupTi)
+        {
+            if (groupTi == mTrashTi)
+            {
+                if(UBApplication::mainWindow->yesNoQuestion(tr("Empty Trash"), tr("Are you sure you want to empty trash?")))
+                {
+                    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
+                    QList<UBDocumentProxyTreeItem*> toBeDeleted;
+
+                    for (int i = 0; i < groupTi->childCount(); i++)
+                    {
+                        UBDocumentProxyTreeItem* proxyTi = dynamic_cast<UBDocumentProxyTreeItem*>(groupTi->child(i));
+                        if (proxyTi && proxyTi->proxy())
+                            toBeDeleted << proxyTi;
+                    }
+
+                    showMessage(tr("Emptying trash"));
+
+                    for (int i = 0; i < toBeDeleted.count(); i++)
+                    {
+                        UBDocumentProxyTreeItem* proxyTi = toBeDeleted.at(i);
 
+                        proxyTi->parent()->removeChild(proxyTi);
+                        UBPersistenceManager::persistenceManager()->deleteDocument(proxyTi->proxy());
+                    }
+
+                    showMessage(tr("Emptied trash"));
+
+                    QApplication::restoreOverrideCursor();
+                    mMainWindow->actionDelete->setEnabled(false);
+                }
+            }
+            else
+            {
+                if(UBApplication::mainWindow->yesNoQuestion(tr("Remove Folder"), tr("Are you sure you want to remove the folder '%1' and all its content?").arg(groupTi->groupName())))
+                {
+                    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
+                    moveFolderToTrash(groupTi);
                     QApplication::restoreOverrideCursor();
                 }
             }

src/document/UBDocumentController.h

@@ -111,6 +111,9 @@ class UBDocumentController : public UBDocumentContainer
         bool mToolsPalettePositionned;
         UBDocumentGroupTreeItem* mTrashTi;
 
+        void moveDocumentToTrash(UBDocumentGroupTreeItem* groupTi, UBDocumentProxyTreeItem *proxyTi);
+        void moveFolderToTrash(UBDocumentGroupTreeItem* groupTi);
+
     private slots:
         void documentZoomSliderValueChanged (int value);
         void loadDocumentProxies();

src/domain/UBGraphicsGroupContainerItem.cpp

@@ -28,18 +28,12 @@ UBGraphicsGroupContainerItem::UBGraphicsGroupContainerItem(QGraphicsItem *parent
     setUuid(QUuid::createUuid());
 
     setData(UBGraphicsItemData::itemLayerType, QVariant(itemLayerType::ObjectItem)); //Necessary to set if we want z value to be assigned correctly
-
-
 }
 
 UBGraphicsGroupContainerItem::~UBGraphicsGroupContainerItem()
 {
-    foreach (QGraphicsItem *item, childItems())
+    if (mDelegate)
-    {   
+        delete mDelegate;
-        removeFromGroup(item);
-        if (item && item->scene())
-            item->scene()->removeItem(item);
-    }
 }
 
 void UBGraphicsGroupContainerItem::addToGroup(QGraphicsItem *item)
@@ -83,6 +77,13 @@ void UBGraphicsGroupContainerItem::addToGroup(QGraphicsItem *item)
 
     QTransform newItemTransform(itemTransform);
     item->setPos(mapFromItem(item, 0, 0));
+
+    if (item->scene()) {
+        item->scene()->removeItem(item);
+    }
+
+    if (corescene())
+        corescene()->removeItemFromDeletion(item);
     item->setParentItem(this);
 
     // removing position from translation component of the new transform
@@ -113,10 +114,12 @@ void UBGraphicsGroupContainerItem::removeFromGroup(QGraphicsItem *item)
 {
     if (!item) {
         qDebug() << "can't specify the item because of the null pointer";
+        return;
     }
 
-    UBGraphicsScene *groupScene = scene();
+    UBCoreGraphicsScene *groupScene = corescene();
-    if (groupScene) {
+    if (groupScene)
+    {    
         groupScene->addItemToDeletion(item);
     }
 
@@ -170,9 +173,9 @@ void UBGraphicsGroupContainerItem::paint(QPainter *painter, const QStyleOptionGr
 //    }
 }
 
-UBGraphicsScene *UBGraphicsGroupContainerItem::scene()
+UBCoreGraphicsScene *UBGraphicsGroupContainerItem::corescene()
 {
-    UBGraphicsScene *castScene = dynamic_cast<UBGraphicsScene*>(QGraphicsItem::scene());
+    UBCoreGraphicsScene *castScene = dynamic_cast<UBCoreGraphicsScene*>(QGraphicsItem::scene());
 
     return castScene;
 }
@@ -218,15 +221,7 @@ void UBGraphicsGroupContainerItem::setUuid(const QUuid &pUuid)
 
 void UBGraphicsGroupContainerItem::destroy() {
 
-    UBGraphicsScene *groupScene = scene();
-
-
     foreach (QGraphicsItem *item, childItems()) {
-
-        if (groupScene) {
-            groupScene->addItemToDeletion(item);
-        }
-
         pRemoveFromGroup(item);
         item->setFlag(QGraphicsItem::ItemIsSelectable, true);
         item->setFlag(QGraphicsItem::ItemIsFocusable, true);
@@ -235,6 +230,18 @@ void UBGraphicsGroupContainerItem::destroy() {
     remove();
 }
 
+void UBGraphicsGroupContainerItem::clearSource()
+{
+    foreach(QGraphicsItem *child, childItems())
+    {
+        UBGraphicsItem *item = dynamic_cast<UBGraphicsItem *>(child);
+        if (item)
+        {
+            item->clearSource();
+        }
+    }
+}
+
 void UBGraphicsGroupContainerItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
     if (mDelegate->mousePressEvent(event)) {
@@ -327,6 +334,12 @@ void UBGraphicsGroupContainerItem::pRemoveFromGroup(QGraphicsItem *item)
     item->setParentItem(newParent);
     item->setPos(oldPos);
 
+    UBGraphicsScene *Scene = dynamic_cast<UBGraphicsScene *>(item->scene());
+    if (Scene)
+    {    
+        Scene->addItem(item);
+    }
+
     // removing position from translation component of the new transform
     if (!item->pos().isNull())
         itemTransform *= QTransform::fromTranslate(-item->x(), -item->y());

src/domain/UBGraphicsGroupContainerItem.h

@@ -4,6 +4,7 @@
 #include <QGraphicsItem>
 
 #include "domain/UBItem.h"
+#include "frameworks/UBCoreGraphicsScene.h"
 
 class UBGraphicsGroupContainerItem : public QGraphicsItem, public UBItem, public UBGraphicsItem
 {
@@ -23,7 +24,7 @@ public:
 
     virtual UBGraphicsItemDelegate* Delegate() const { return mDelegate;}
 
-    virtual UBGraphicsScene* scene();
+    virtual UBCoreGraphicsScene *corescene();
     virtual UBGraphicsGroupContainerItem *deepCopy() const;
     virtual void copyItemParameters(UBItem *copy) const;
 
@@ -38,6 +39,8 @@ public:
     virtual void setUuid(const QUuid &pUuid);
     void destroy();
 
+    virtual void clearSource();
+
 protected:
     virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
     virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);

src/domain/UBGraphicsItemDelegate.cpp

@@ -113,7 +113,6 @@ UBGraphicsItemDelegate::UBGraphicsItemDelegate(QGraphicsItem* pDelegated, QObjec
     , mFlippable(false)
     , mToolBarUsed(useToolBar)
 {
-    // NOOP
     connect(UBApplication::boardController, SIGNAL(zoomChanged(qreal)), this, SLOT(onZoomChanged()));
 }
 
@@ -167,7 +166,7 @@ void UBGraphicsItemDelegate::init()
 
 UBGraphicsItemDelegate::~UBGraphicsItemDelegate()
 {
-    qDeleteAll(mButtons);
+    disconnect(UBApplication::boardController, SIGNAL(zoomChanged(qreal)), this, SLOT(onZoomChanged()));
     // do not release mMimeData.
     // the mMimeData is owned by QDrag since the setMimeData call as specified in the documentation
 }
@@ -388,9 +387,22 @@ void UBGraphicsItemDelegate::remove(bool canUndo)
     UBGraphicsScene* scene = dynamic_cast<UBGraphicsScene*>(mDelegated->scene());
     if (scene)
     {
-        foreach(DelegateButton* button, mButtons)
+//        bool shownOnDisplay = mDelegated->data(UBGraphicsItemData::ItemLayerType).toInt() != UBItemLayerType::Control;
-            scene->removeItem(button);
+//        showHide(shownOnDisplay);
+//        updateFrame();
+//        updateButtons();
 
+        if (mFrame && !mFrame->scene() && mDelegated->scene())
+        {
+            mDelegated->scene()->addItem(mFrame);
+        }
+        mFrame->setAntiScale(mAntiScaleRatio);
+        mFrame->positionHandles();
+        updateButtons(true);
+
+        foreach(DelegateButton* button, mButtons) {
+            scene->removeItem(button);
+        }
         scene->removeItem(mFrame);
 
         /* this is performed because when removing delegated from scene while it contains flash content, segfault happens because of QGraphicsScene::removeItem() */

src/domain/UBGraphicsItemDelegate.h

@@ -244,6 +244,7 @@ class UBGraphicsItemDelegate : public QObject
         UBGraphicsToolBarItem* getToolBarItem() const { return mToolBarItem; }
 
         qreal antiScaleRatio() const { return mAntiScaleRatio; }
+        virtual void update() {positionHandles();}
 
     signals:
         void showOnDisplayChanged(bool shown);

src/domain/UBGraphicsPolygonItem.cpp

@@ -143,13 +143,13 @@ QColor UBGraphicsPolygonItem::color() const
 
 UBItem* UBGraphicsPolygonItem::deepCopy() const
 {  
-    UBGraphicsPolygonItem* copy = new UBGraphicsPolygonItem(polygon(), parentItem());
+    UBGraphicsPolygonItem* copy = new UBGraphicsPolygonItem(polygon(), 0);
+
+    UBGraphicsStroke *stroke = new UBGraphicsStroke();
     
     copyItemParameters(copy);
 
-    copy->mOriginalLine = this->mOriginalLine;
+    copy->setStroke(stroke);
-    copy->mOriginalWidth = this->mOriginalWidth;
-    copy->mIsNominalLine = this->mIsNominalLine;
 
     return copy;
 }
@@ -160,17 +160,15 @@ void UBGraphicsPolygonItem::copyItemParameters(UBItem *copy) const
     UBGraphicsPolygonItem *cp = dynamic_cast<UBGraphicsPolygonItem*>(copy);
     if (cp)
     {
-        cp->mOriginalLine = QLineF();
+        cp->mOriginalLine = this->mOriginalLine;
-        cp->mOriginalWidth = -1;
+        cp->mOriginalWidth = this->mOriginalWidth;
-        cp->mIsNominalLine = false;
+        cp->mIsNominalLine = this->mIsNominalLine;
 
-        cp->setStroke(this->stroke());
+        cp->setTransform(transform());
-        cp->setStrokesGroup(this->strokesGroup());
         cp->setBrush(this->brush());
         cp->setPen(this->pen());
         cp->mHasAlpha = this->mHasAlpha;
 
-
         cp->setColorOnDarkBackground(this->colorOnDarkBackground());
         cp->setColorOnLightBackground(this->colorOnLightBackground());
 

src/domain/UBGraphicsScene.cpp

@@ -263,7 +263,6 @@ UBGraphicsScene::UBGraphicsScene(UBDocumentProxy* parent)
     , mCrossedBackground(false)
     , mIsDesktopMode(false)
     , mZoomFactor(1)
-    , mIsModified(true)
     , mBackgroundObject(0)
     , mPreviousWidth(0)
     , mInputDeviceIsPressed(false)
@@ -305,7 +304,10 @@ UBGraphicsScene::~UBGraphicsScene()
 {
     if (mCurrentStroke)
         if (mCurrentStroke->polygons().empty())
+        {
             delete mCurrentStroke;
+            mCurrentStroke = NULL;
+        }
 
     if (mZLayerController)
         delete mZLayerController;
@@ -433,6 +435,11 @@ bool UBGraphicsScene::inputDevicePress(const QPointF& scenePos, const qreal& pre
         }
     }
 
+    if (mCurrentStroke && mCurrentStroke->polygons().empty()){
+        delete mCurrentStroke;    
+        mCurrentStroke = NULL;
+    }
+
     return accepted;
 }
 
@@ -474,6 +481,10 @@ bool UBGraphicsScene::inputDeviceMove(const QPointF& scenePos, const qreal& pres
                     UBCoreGraphicsScene::removeItemFromDeletion(mpLastPolygon);
                     mAddedItems.remove(mpLastPolygon);
                     mCurrentStroke->remove(mpLastPolygon);
+                    if (mCurrentStroke->polygons().empty()){
+                        delete mCurrentStroke;
+                        mCurrentStroke = NULL;
+                    }
                     removeItem(mpLastPolygon);
                     mPreviousPolygonItems.removeAll(mpLastPolygon);
                 }
@@ -891,25 +902,18 @@ void UBGraphicsScene::recolorAllItems()
         view->setViewportUpdateMode(QGraphicsView::NoViewportUpdate);
     }
 
-    for(int i = 0; i < mFastAccessItems.size(); i++)
+    bool currentIslight = isLightBackground();
-    {
+    foreach (QGraphicsItem *item, items()) {
-        UBGraphicsPolygonItem *polygonItem = qgraphicsitem_cast<UBGraphicsPolygonItem*> (mFastAccessItems.at(i));
+        if (item->type() == UBGraphicsStrokesGroup::Type) {
-
+            UBGraphicsStrokesGroup *curGroup = static_cast<UBGraphicsStrokesGroup*>(item);
-        if (polygonItem)
+            QColor compareColor =  curGroup->color(currentIslight ? UBGraphicsStrokesGroup::colorOnDarkBackground
-        {
+                                                                  : UBGraphicsStrokesGroup::colorOnLightBackground);
-            QColor color;
 
-            if (mDarkBackground)
+            if (curGroup->color() == compareColor) {
-            {
+                QColor newColor = curGroup->color(!currentIslight ? UBGraphicsStrokesGroup::colorOnDarkBackground
-                color = polygonItem->colorOnDarkBackground();
+                                                                  : UBGraphicsStrokesGroup::colorOnLightBackground);
-            }
+                curGroup->setColor(newColor);
-            else
-            {
-                color = polygonItem->colorOnLightBackground();
             }
-
-            polygonItem->setColor(color);
-            continue;
         }
     }
 
@@ -1060,116 +1064,72 @@ UBItem* UBGraphicsScene::deepCopy() const
     return sceneDeepCopy();
 }
 
-void UBGraphicsScene::clearItemsAndAnnotations()
+void UBGraphicsScene::clearContent(clearCase pCase)
 {
-    deselectAllItems();
-
-    QSet<QGraphicsItem*> emptyList;
     QSet<QGraphicsItem*> removedItems;
 
-    QListIterator<QGraphicsItem*> itItems(mFastAccessItems);
+    switch (pCase) {
-
+    case clearBackground :
-    while (itItems.hasNext())
+        removeItem(mBackgroundObject);
-    {
+        removedItems << mBackgroundObject;
-        QGraphicsItem* item = itItems.next();
+        break;
-
-        if(!mTools.contains(item) && !isBackgroundObject(item))
-        {
-            removeItem(item);
-            removedItems << item;
-        }
-    }
 
-    // force refresh, QT is a bit lazy and take a lot of time (nb item ^2 ?) to trigger repaint
+    case clearItemsAndAnnotations :
-    update(sceneRect());
+    case clearItems :
+    case clearAnnotations :
+        foreach(QGraphicsItem* item, items()) {
 
-    if (enableUndoRedoStack) { //should be deleted after scene own undo stack implemented
+            bool isGroup = item->type() == UBGraphicsGroupContainerItem::Type;
-        UBGraphicsItemUndoCommand* uc = new UBGraphicsItemUndoCommand(this, removedItems, emptyList);
+            bool isStrokesGroup = item->type() == UBGraphicsStrokesGroup::Type;
-        UBApplication::undoStack->push(uc);
-    }
 
-    setDocumentUpdated();
+            UBGraphicsGroupContainerItem *itemGroup = item->parentItem()
+                                                      ? qgraphicsitem_cast<UBGraphicsGroupContainerItem*>(item->parentItem())
+                                                      : 0;
+            UBGraphicsItemDelegate *curDelegate = UBGraphicsItem::Delegate(item);
+            if (!curDelegate) {
+                continue;
             }
 
-void UBGraphicsScene::clearItems()
+            bool shouldDelete = false;
-{
+            switch (static_cast<int>(pCase)) {
-    deselectAllItems();
+            case clearAnnotations :
-
+                shouldDelete = isStrokesGroup;
-    QSet<QGraphicsItem*> emptyList;
+                break;
-    QSet<QGraphicsItem*> removedItems;
+            case clearItems :
-
+                shouldDelete = !isGroup && !isBackgroundObject(item) && !isStrokesGroup;
-    QListIterator<QGraphicsItem*> itItems(mFastAccessItems);
+                break;
-
+            case clearItemsAndAnnotations:
-    while (itItems.hasNext())
+                shouldDelete = !isGroup && !isBackgroundObject(item);
-    {
+                break;
-        QGraphicsItem* item = itItems.next();
-
-        if (!item->parentItem())
-        {
-            UBGraphicsPolygonItem* pi = qgraphicsitem_cast<UBGraphicsPolygonItem*>(item);
-
-            if(!pi && !mTools.contains(item) && !isBackgroundObject(item))
-            {
-                removeItem(item);
-                removedItems << item;
-            }
-        }
             }
 
-    // force refresh, QT is a bit lazy and take a lot of time (nb item ^2 ?) to trigger repaint
+            if(shouldDelete) {
-    update(sceneRect());
+                if (itemGroup) {
-
+                    itemGroup->removeFromGroup(item);
-
+                    if (itemGroup->childItems().count() == 1) {
-    if (enableUndoRedoStack) { //should be deleted after scene own undo stack implemented
+                        itemGroup->destroy();
-        UBGraphicsItemUndoCommand* uc = new UBGraphicsItemUndoCommand(this, removedItems, emptyList);
-        UBApplication::undoStack->push(uc);
                     }
-
+                    itemGroup->Delegate()->update();
-    setDocumentUpdated();
                 }
 
-void UBGraphicsScene::clearAnnotations()
+                curDelegate->remove(false);
-{
-    QSet<QGraphicsItem*> emptyList;
-    QSet<QGraphicsItem*> removedItems;
-
-    QListIterator<QGraphicsItem*> itItems(mFastAccessItems);
-
-    while (itItems.hasNext())
-    {
-        QGraphicsItem* item = itItems.next();
-        UBGraphicsStrokesGroup* pi = qgraphicsitem_cast<UBGraphicsStrokesGroup*>(item);
-        if (pi)
-        {
-            removeItem(item);
                 removedItems << item;
             }
         }
+        break;
+    }
 
     // force refresh, QT is a bit lazy and take a lot of time (nb item ^2 ?) to trigger repaint
     update(sceneRect());
 
-
     if (enableUndoRedoStack) { //should be deleted after scene own undo stack implemented
-        UBGraphicsItemUndoCommand* uc = new UBGraphicsItemUndoCommand(this, removedItems, emptyList);
+        UBGraphicsItemUndoCommand* uc = new UBGraphicsItemUndoCommand(this, removedItems, QSet<QGraphicsItem*>());
         UBApplication::undoStack->push(uc);
     }
 
-    setDocumentUpdated();
+    if (pCase == clearBackground) {
-}
-
-void UBGraphicsScene::clearBackground()
-{
-    if(mBackgroundObject){
-        removeItem(mBackgroundObject);
-
-        if (enableUndoRedoStack) { //should be deleted after scene own undo stack implemented
-            UBGraphicsItemUndoCommand* uc = new UBGraphicsItemUndoCommand(this, mBackgroundObject, NULL);
-            UBApplication::undoStack->push(uc);
-        }
         mBackgroundObject = 0;
     }
-    update(sceneRect());
 
     setDocumentUpdated();
 }
@@ -1364,6 +1324,7 @@ UBGraphicsGroupContainerItem *UBGraphicsScene::createGroup(QList<QGraphicsItem *
 {
     UBGraphicsGroupContainerItem *groupItem = new UBGraphicsGroupContainerItem();
 
+    addItem(groupItem);
     foreach (QGraphicsItem *item, items) {
         if (item->type() == UBGraphicsGroupContainerItem::Type) {
             QList<QGraphicsItem*> childItems = item->childItems();
@@ -1373,13 +1334,14 @@ UBGraphicsGroupContainerItem *UBGraphicsScene::createGroup(QList<QGraphicsItem *
             }
             foreach (QGraphicsItem *chItem, childItems) {
                 groupItem->addToGroup(chItem);
+                mFastAccessItems.removeAll(chItem);
             }
         } else {
             groupItem->addToGroup(item);
+            mFastAccessItems.removeAll(item);
         }
     }
 
-    addItem(groupItem);
     groupItem->setVisible(true);
     groupItem->setFocus();
 
@@ -1396,6 +1358,15 @@ UBGraphicsGroupContainerItem *UBGraphicsScene::createGroup(QList<QGraphicsItem *
 void UBGraphicsScene::addGroup(UBGraphicsGroupContainerItem *groupItem)
 {
     addItem(groupItem);
+    for (int i = 0; i < groupItem->childItems().count(); i++)
+    {
+        QGraphicsItem *it = qgraphicsitem_cast<QGraphicsItem *>(groupItem->childItems().at(i));
+        if (it)
+        {
+             mFastAccessItems.removeAll(it);
+        }
+    }
+
     groupItem->setVisible(true);
     groupItem->setFocus();
 
@@ -1564,7 +1535,6 @@ UBGraphicsTextItem *UBGraphicsScene::addTextHtml(const QString &pString, const Q
 
 void UBGraphicsScene::addItem(QGraphicsItem* item)
 {
-    setModified(true);
     UBCoreGraphicsScene::addItem(item);
 
     UBGraphicsItem::assignZValue(item, mZLayerController->generateZLevel(item));
@@ -1577,8 +1547,6 @@ void UBGraphicsScene::addItem(QGraphicsItem* item)
 
 void UBGraphicsScene::addItems(const QSet<QGraphicsItem*>& items)
 {
-    setModified(true);
-
     foreach(QGraphicsItem* item, items) {
         UBCoreGraphicsScene::addItem(item);
         UBGraphicsItem::assignZValue(item, mZLayerController->generateZLevel(item));
@@ -1591,7 +1559,7 @@ void UBGraphicsScene::addItems(const QSet<QGraphicsItem*>& items)
 
 void UBGraphicsScene::removeItem(QGraphicsItem* item)
 {
-    setModified(true);
+    item->setSelected(false);
     UBCoreGraphicsScene::removeItem(item);
     UBApplication::boardController->freezeW3CWidget(item, true);
 
@@ -1603,8 +1571,6 @@ void UBGraphicsScene::removeItem(QGraphicsItem* item)
 
 void UBGraphicsScene::removeItems(const QSet<QGraphicsItem*>& items)
 {
-    setModified(true);
-
     foreach(QGraphicsItem* item, items)
         UBCoreGraphicsScene::removeItem(item);
 
@@ -1762,7 +1728,6 @@ void UBGraphicsScene::addRuler(QPointF center)
     addItem(ruler);
 
     ruler->setVisible(true);
-    setModified(true);
 }
 
 void UBGraphicsScene::addProtractor(QPointF center)
@@ -1780,7 +1745,6 @@ void UBGraphicsScene::addProtractor(QPointF center)
     protractor->moveBy(center.x() - itemSceneCenter.x(), center.y() - itemSceneCenter.y());
 
     protractor->setVisible(true);
-    setModified(true);
 }
 
 void UBGraphicsScene::addTriangle(QPointF center)
@@ -1798,7 +1762,6 @@ void UBGraphicsScene::addTriangle(QPointF center)
     triangle->moveBy(center.x() - itemSceneCenter.x(), center.y() - itemSceneCenter.y());
 
     triangle->setVisible(true);
-    setModified(true);
 }
 
 void UBGraphicsScene::addMagnifier(UBMagnifierParams params)
@@ -1857,6 +1820,7 @@ void UBGraphicsScene::moveMagnifier()
    {
        QPoint magnifierPos = QPoint(magniferControlViewWidget->pos().x() + magniferControlViewWidget->size().width() / 2, magniferControlViewWidget->pos().y() + magniferControlViewWidget->size().height() / 2 );
        moveMagnifier(magnifierPos, true);
+       setModified(true);
    }
 }
 
@@ -1889,6 +1853,7 @@ void UBGraphicsScene::moveMagnifier(QPoint newPos, bool forceGrab)
 void UBGraphicsScene::closeMagnifier()
 {
     DisposeMagnifierQWidgets();
+    setModified(true);
 }
 
 void UBGraphicsScene::zoomInMagnifier()
@@ -1906,6 +1871,7 @@ void UBGraphicsScene::zoomOutMagnifier()
     {
         magniferControlViewWidget->setZoom(magniferControlViewWidget->params.zoom - 0.5);
         magniferDisplayViewWidget->setZoom(magniferDisplayViewWidget->params.zoom - 0.5);
+        setModified(true);
     }
 }
 
@@ -1917,6 +1883,7 @@ void UBGraphicsScene::resizedMagnifier(qreal newPercent)
         magniferControlViewWidget->grabPoint();
         magniferDisplayViewWidget->setSize(newPercent);
         magniferDisplayViewWidget->grabPoint();
+        setModified(true);
     }
 }
 
@@ -1932,7 +1899,6 @@ void UBGraphicsScene::addCompass(QPointF center)
     compass->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Tool));
 
     compass->setVisible(true);
-    setModified(true);
 }
 
 void UBGraphicsScene::addCache()
@@ -1962,7 +1928,6 @@ void UBGraphicsScene::addMask(const QPointF &center)
     curtain->setRect(rect);
     curtain->setVisible(true);
     curtain->setSelected(true);
-    setModified(true);
 }
 
 void UBGraphicsScene::setRenderingQuality(UBItem::RenderingQuality pRenderingQuality)
@@ -2212,7 +2177,6 @@ void UBGraphicsScene::keyReleaseEvent(QKeyEvent * keyEvent)
 
                 default:
                     {
-                        item->setSelected(false);
                         UBGraphicsItem *ubgi = dynamic_cast<UBGraphicsItem*>(item);
                         if (0 != ubgi)
                             ubgi->remove();
@@ -2274,6 +2238,11 @@ void UBGraphicsScene::setToolCursor(int tool)
     {
         deselectAllItems();
     }
+
+    if (mCurrentStroke && mCurrentStroke->polygons().empty()){
+        delete mCurrentStroke;
+    }
+    mCurrentStroke = NULL;
 }
 
 void UBGraphicsScene::initStroke(){

src/domain/UBGraphicsScene.h

@@ -101,6 +101,13 @@ class UBGraphicsScene: public UBCoreGraphicsScene, public UBItem
 
     public:
 
+    enum clearCase {
+        clearItemsAndAnnotations = 0
+        , clearAnnotations
+        , clearItems
+        , clearBackground
+    };
+
     //        tmp stub for divide addings scene objects from undo mechanism implementation
     void setURStackEnable(bool set = true) {enableUndoRedoStack = set;}
     bool isURStackIsEnabled(){ return enableUndoRedoStack;}
@@ -114,10 +121,7 @@ class UBGraphicsScene: public UBCoreGraphicsScene, public UBItem
 
         UBGraphicsScene* sceneDeepCopy() const;
 
-        void clearItemsAndAnnotations();
+        void clearContent(clearCase pCase = clearItemsAndAnnotations);
-        void clearItems();
-        void clearAnnotations();
-        void clearBackground();
 
         bool inputDevicePress(const QPointF& scenePos, const qreal& pressure = 1.0);
         bool inputDeviceMove(const QPointF& scenePos, const qreal& pressure = 1.0);
@@ -179,16 +183,6 @@ class UBGraphicsScene: public UBCoreGraphicsScene, public UBItem
 
         bool isEmpty() const;
 
-        bool isModified() const
-        {
-            return mIsModified;
-        }
-
-        void setModified(bool pModified)
-        {
-            mIsModified = pModified;
-        }
-
         void setDocument(UBDocumentProxy* pDocument);
 
         UBDocumentProxy* document() const
@@ -380,8 +374,6 @@ public slots:
         bool mIsDesktopMode;
         qreal mZoomFactor;
 
-        bool mIsModified;
-
         QGraphicsItem* mBackgroundObject;
 
         QPointF mPreviousPoint;

src/domain/UBGraphicsStrokesGroup.cpp

@@ -32,6 +32,54 @@ void UBGraphicsStrokesGroup::setUuid(const QUuid &pUuid)
     UBItem::setUuid(pUuid);
     setData(UBGraphicsItemData::ItemUuid, QVariant(pUuid)); //store item uuid inside the QGraphicsItem to fast operations with Items on the scene
 }
+void UBGraphicsStrokesGroup::setColor(const QColor &color, colorType pColorType)
+{
+    //TODO Implement common mechanism of managing groups, drop UBGraphicsStroke if it's obsolete
+    //Using casting for the moment
+    foreach (QGraphicsItem *item, childItems()) {
+        if (item->type() == UBGraphicsPolygonItem::Type) {
+            UBGraphicsPolygonItem *curPolygon = static_cast<UBGraphicsPolygonItem *>(item);
+
+            switch (pColorType) {
+            case currentColor :
+                curPolygon->setColor(color);
+                break;
+            case colorOnLightBackground :
+                 curPolygon->setColorOnLightBackground(color);
+                break;
+            case colorOnDarkBackground :
+                 curPolygon->setColorOnDarkBackground(color);
+                break;
+            }
+        }
+    }
+}
+
+QColor UBGraphicsStrokesGroup::color(colorType pColorType) const
+{
+    QColor result;
+
+    foreach (QGraphicsItem *item, childItems()) {
+        if (item->type() == UBGraphicsPolygonItem::Type) {
+            UBGraphicsPolygonItem *curPolygon = static_cast<UBGraphicsPolygonItem *>(item);
+
+            switch (pColorType) {
+            case currentColor :
+                result = curPolygon->color();
+                break;
+            case colorOnLightBackground :
+                result = curPolygon->colorOnLightBackground();
+                break;
+            case colorOnDarkBackground :
+                result = curPolygon->colorOnDarkBackground();
+                break;
+            }
+
+        }
+    }
+
+    return result;
+}
 
 void UBGraphicsStrokesGroup::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
@@ -67,14 +115,16 @@ UBItem* UBGraphicsStrokesGroup::deepCopy() const
 {
     UBGraphicsStrokesGroup* copy = new UBGraphicsStrokesGroup();
 
-
     QList<QGraphicsItem*> chl = childItems();
 
     foreach(QGraphicsItem *child, chl)
     {
         UBGraphicsPolygonItem *polygon = dynamic_cast<UBGraphicsPolygonItem*>(child);
         if (polygon)
+        {
             copy->addToGroup(dynamic_cast<QGraphicsItem*>(polygon->deepCopy()));
+            polygon->setStrokesGroup(copy);
+        }
     }
     copyItemParameters(copy);
 
@@ -85,9 +135,8 @@ void UBGraphicsStrokesGroup::copyItemParameters(UBItem *copy) const
 {
     UBGraphicsStrokesGroup *cp = dynamic_cast<UBGraphicsStrokesGroup*>(copy);
     {
-        cp->setPos(this->pos());
+        cp->setTransform(transform());
 
-        cp->setTransform(this->transform());
         cp->setFlag(QGraphicsItem::ItemIsMovable, true);
         cp->setFlag(QGraphicsItem::ItemIsSelectable, true);
         cp->setData(UBGraphicsItemData::ItemLayerType, this->data(UBGraphicsItemData::ItemLayerType));

src/domain/UBGraphicsStrokesGroup.h

@@ -11,6 +11,12 @@ class UBGraphicsStrokesGroup : public QObject, public QGraphicsItemGroup, public
 {
     Q_OBJECT
 public:
+    enum colorType {
+        currentColor = 0
+        , colorOnLightBackground
+        , colorOnDarkBackground
+    };
+
     UBGraphicsStrokesGroup(QGraphicsItem* parent = 0);
     ~UBGraphicsStrokesGroup();
     virtual UBItem* deepCopy() const;
@@ -23,6 +29,8 @@ public:
         return Type;
     }
     virtual void setUuid(const QUuid &pUuid);
+    void setColor(const QColor &color, colorType pColorType = currentColor);
+    QColor color(colorType pColorType = currentColor) const;
 
 protected:
 

src/domain/UBGraphicsTextItemDelegate.cpp

@@ -263,6 +263,11 @@ void UBGraphicsTextItemDelegate::setEditable(bool editable)
         mDelegated->setData(UBGraphicsItemData::ItemEditable, QVariant(false));
     }
 }
+void UBGraphicsTextItemDelegate::remove(bool canUndo)
+{
+    UBGraphicsItemDelegate::remove(canUndo);
+}
+
 bool UBGraphicsTextItemDelegate::isEditable()
 {
     return mDelegated->data(UBGraphicsItemData::ItemEditable).toBool();

src/domain/UBGraphicsTextItemDelegate.h

@@ -46,6 +46,7 @@ class UBGraphicsTextItemDelegate : public UBGraphicsItemDelegate
     public slots:
         void contentsChanged();
         virtual void setEditable(bool);
+        virtual void remove(bool canUndo);
 
     protected:
         virtual void buildButtons();

src/domain/UBItem.cpp

@@ -17,6 +17,15 @@
 
 #include "core/memcheck.h"
 
+#include "domain/UBGraphicsPixmapItem.h"
+#include "domain/UBGraphicsTextItem.h"
+#include "domain/UBGraphicsSvgItem.h"
+#include "domain/UBGraphicsMediaItem.h"
+#include "domain/UBGraphicsStrokesGroup.h"
+#include "domain/UBGraphicsGroupContainerItem.h"
+#include "domain/UBGraphicsWidgetItem.h"
+#include "tools/UBGraphicsCurtainItem.h"
+
 UBItem::UBItem()
     : mUuid(QUuid())
     , mRenderingQuality(UBItem::RenderingQualityNormal)
@@ -44,3 +53,37 @@ bool UBGraphicsItem::isRotatable(QGraphicsItem *item)
 {
     return item->data(UBGraphicsItemData::ItemRotatable).toBool();
 }
+
+UBGraphicsItemDelegate *UBGraphicsItem::Delegate(QGraphicsItem *pItem)
+{
+    UBGraphicsItemDelegate *result = 0;
+
+    switch (static_cast<int>(pItem->type())) {
+    case UBGraphicsPixmapItem::Type :
+        result = (static_cast<UBGraphicsPixmapItem*>(pItem))->Delegate();
+        break;
+    case UBGraphicsTextItem::Type :
+        result = (static_cast<UBGraphicsTextItem*>(pItem))->Delegate();
+        break;
+    case UBGraphicsSvgItem::Type :
+        result = (static_cast<UBGraphicsSvgItem*>(pItem))->Delegate();
+        break;
+    case UBGraphicsMediaItem::Type:
+        result = (static_cast<UBGraphicsMediaItem*>(pItem))->Delegate();
+        break;
+    case UBGraphicsStrokesGroup::Type :
+        result = (static_cast<UBGraphicsStrokesGroup*>(pItem))->Delegate();
+        break;
+    case UBGraphicsGroupContainerItem::Type :
+        result = (static_cast<UBGraphicsGroupContainerItem*>(pItem))->Delegate();
+        break;
+    case UBGraphicsWidgetItem::Type :
+        result = (static_cast<UBGraphicsWidgetItem*>(pItem))->Delegate();
+        break;
+    case UBGraphicsCurtainItem::Type :
+        result = (static_cast<UBGraphicsCurtainItem*>(pItem))->Delegate();
+        break;
+    }
+
+    return result;
+}

src/domain/UBItem.h

@@ -108,6 +108,7 @@ public:
     static bool isRotatable(QGraphicsItem *item);
     static bool isFlippable(QGraphicsItem *item);
 
+    static UBGraphicsItemDelegate *Delegate(QGraphicsItem *pItem);
     virtual UBGraphicsItemDelegate *Delegate() const  = 0;
 
     virtual void remove() = 0;

src/frameworks/UBCoreGraphicsScene.cpp

@@ -23,6 +23,7 @@
 
 UBCoreGraphicsScene::UBCoreGraphicsScene(QObject * parent)
     : QGraphicsScene ( parent  )
+    , mIsModified(true)
 {
     //NOOP
 }
@@ -30,27 +31,40 @@ UBCoreGraphicsScene::UBCoreGraphicsScene(QObject * parent)
 UBCoreGraphicsScene::~UBCoreGraphicsScene()
 {
     //we must delete removed items that are no more in any scene
-    foreach (const QGraphicsItem* item, mItemsToDelete)
+    //at groups deleting some items can be added to mItemsToDelete, so we need to use iterators.
+    if (mItemsToDelete.count())
     {
-        if (item->scene() == NULL || item->scene() == this)
+        QSet<QGraphicsItem *>::iterator it = mItemsToDelete.begin();
+        QGraphicsItem* item = *it;
+        do 
         {
+            item = *it;
+            if (item && (item->scene() == NULL || item->scene() == this))
+            {
+                mItemsToDelete.remove(*it);
                 delete item;
             }
+
+            it = mItemsToDelete.begin();
+
+        }while(mItemsToDelete.count());
     }
 }
 
 void UBCoreGraphicsScene::addItem(QGraphicsItem* item)
 {
+    addItemToDeletion(item);
+
     if (item->type() == UBGraphicsGroupContainerItem::Type && item->childItems().count()) {
         foreach (QGraphicsItem *curItem, item->childItems()) {
             removeItemFromDeletion(curItem);
         }
     }
  
-    mItemsToDelete << item;
-
     if (item->scene() != this)
         QGraphicsScene::addItem(item);
+
+    setModified(true);
 }
 
 
@@ -59,27 +73,17 @@ void UBCoreGraphicsScene::removeItem(QGraphicsItem* item, bool forceDelete)
     QGraphicsScene::removeItem(item);
     if (forceDelete)
     {
-        mItemsToDelete.remove(item);
+        qDebug() << "force delete is " << forceDelete;
-        delete item;
+        deleteItem(item);
-        item = 0;
     }
+    setModified(true);
 }
 
 bool UBCoreGraphicsScene::deleteItem(QGraphicsItem* item)
 {
     if(mItemsToDelete.contains(item))
     {
-        UBGraphicsItem* item_casted = 0;
+        UBGraphicsItem *item_casted = dynamic_cast<UBGraphicsItem *>(item);
-        switch (item->type())
-        {
-        case UBGraphicsMediaItem::Type:
-                item_casted = dynamic_cast<UBGraphicsMediaItem*>(item);
-                break;
-        case UBGraphicsW3CWidgetItem::Type:
-                item_casted = dynamic_cast<UBGraphicsWidgetItem*>(item);
-                break;
-        }
-
         if (0 != item_casted)
             item_casted->clearSource();
 

src/frameworks/UBCoreGraphicsScene.h

@@ -33,8 +33,21 @@ class UBCoreGraphicsScene : public QGraphicsScene
         void removeItemFromDeletion(QGraphicsItem* item);
         void addItemToDeletion(QGraphicsItem *item);
 
+        bool isModified() const
+        {
+            return mIsModified;
+        }
+
+        void setModified(bool pModified)
+        {
+            mIsModified = pModified;
+        }
+
+
     private:
         QSet<QGraphicsItem*> mItemsToDelete;
+
+        bool mIsModified;
 };
 
 #endif /* UBCOREGRAPHICSSCENE_H_ */

src/frameworks/UBPlatformUtils.h

@@ -171,6 +171,7 @@ class UBPlatformUtils
         static int nKeyboardLayouts;
         static UBKeyboardLocale** keyboardLayouts;
 
+
 public:
         static void init();
         static void destroy();
@@ -192,6 +193,10 @@ public:
         static UBKeyboardLocale** getKeyboardLayouts(int& nCount);
         static QString urlFromClipboard();
         static QStringList availableTranslations();
+
+#ifdef Q_WS_MAC
+        static void SetMacLocaleByIdentifier(const QString& id);
+#endif
 };
 
 

src/frameworks/UBPlatformUtils_mac.mm

@@ -440,6 +440,9 @@ void UBPlatformUtils::initializeKeyboardLayouts()
     int count = CFArrayGetCount(kbds);
     QList<UBKeyboardLocale*> result;
 
+	qDebug() << "initializeKeyboardLayouts";
+	qDebug() << "Found system locales: " << count;
+
     for(int i=0; i<count; i++)
     {
         TISInputSourceRef keyLayoutRef =  (TISInputSourceRef)CFArrayGetValueAtIndex(kbds, i);
@@ -530,6 +533,8 @@ void UBPlatformUtils::initializeKeyboardLayouts()
         const QString resName = ":/images/flags/" + name + ".png";
         QIcon *iconLang = new QIcon(resName);
 
+		qDebug() << "Locale: " << ID << ", name: " << name;
+
         result.append(new UBKeyboardLocale(fullName, name, ID, iconLang, keybt));
     }
 
@@ -565,3 +570,28 @@ QString UBPlatformUtils::urlFromClipboard()
 */
     return qsRet;
 }
+
+
+void UBPlatformUtils::SetMacLocaleByIdentifier(const QString& id)
+{
+    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+    const char * strName = id.toAscii().data();
+
+    CFStringRef iName = CFStringCreateWithCString(NULL, strName, kCFStringEncodingMacRoman );
+
+    CFStringRef keys[] = { kTISPropertyInputSourceCategory, kTISPropertyInputSourceID };
+    CFStringRef values[] = { kTISCategoryKeyboardInputSource, iName };
+    CFDictionaryRef dict = CFDictionaryCreate(NULL, (const void **)keys, (const void **)values, 2, NULL, NULL);
+    CFArrayRef kbds = TISCreateInputSourceList(dict, true);
+    if (kbds!=NULL)
+    {
+        if (CFArrayGetCount(kbds)!=0)
+        {
+            TISInputSourceRef klRef =  (TISInputSourceRef)CFArrayGetValueAtIndex(kbds, 0);
+            if (klRef!=NULL)
+                TISSelectInputSource(klRef);
+        }
+    }
+    [pool drain];
+}

src/gui/UBKeyboardPalette.cpp

@@ -60,6 +60,9 @@ UBKeyboardPalette::UBKeyboardPalette(QWidget *parent)
     createCtrlButtons();
 
     nCurrentLocale = UBSettings::settings()->KeyboardLocale->get().toInt();
+	if (nCurrentLocale < 0 || nCurrentLocale >= nLocalesCount)
+		nCurrentLocale = 0;
+	if (locales!=NULL)
 	    setInput(locales[nCurrentLocale]);
 
     setContentsMargins( 22, 22, 22, 22 );

src/gui/UBKeyboardPalette_mac.cpp

@@ -57,22 +57,6 @@ void UBKeyboardPalette::createCtrlButtons()
         ctrlButtons[8] = new UBLocaleButton(this);
 }
 
-void SetMacLocaleByIdentifier(const QString& id)
-{
-	const char * strName = id.toAscii().data();
-	CFStringRef iName = CFStringCreateWithCString(NULL, strName, kCFStringEncodingMacRoman );
-
-	CFStringRef keys[] = { kTISPropertyInputSourceCategory, kTISPropertyInputSourceID };          
-	CFStringRef values[] = { kTISCategoryKeyboardInputSource, iName };          
-	CFDictionaryRef dict = CFDictionaryCreate(NULL, (const void **)keys, (const void **)values, 2, NULL, NULL);  
-	CFArrayRef kbds = TISCreateInputSourceList(dict, true);          
-	if (CFArrayGetCount(kbds)!=0)
-	{
-		TISInputSourceRef klRef =  (TISInputSourceRef)CFArrayGetValueAtIndex(kbds, 0);  
-		if (klRef!=NULL)
-			TISSelectInputSource(klRef);
-	}
-}
 
 
 void UBKeyboardPalette::checkLayout()
@@ -107,6 +91,6 @@ void UBKeyboardPalette::onActivated(bool)
 
 void UBKeyboardPalette::onLocaleChanged(UBKeyboardLocale* locale)
 {
-	SetMacLocaleByIdentifier(locale->id);
+    UBPlatformUtils::SetMacLocaleByIdentifier(locale->id);
 }