on scene move fixed copying issues

src/board/UBBoardController.cpp

@@ -485,11 +485,14 @@ void UBBoardController::addScene(UBGraphicsScene* scene, bool replaceActiveIfEmp
                 QString source = scene->document()->persistencePath() + "/" + relativeFile.toString();
                 QString target = selectedDocument()->persistencePath() + "/" + relativeFile.toString();
 
+                if(QFileInfo(source).isDir())
+                    Q_ASSERT(UBFileSystemUtils::copyDir(source,target));
+                else{
                     QFileInfo fi(target);
                     QDir d = fi.dir();
-
                     d.mkpath(d.absolutePath());
-                QFile::copy(source, target);
+                    Q_ASSERT(QFile::copy(source, target));
+                }
             }
         }
 

src/gui/UBDocumentNavigator.cpp

@@ -85,7 +85,6 @@ UBDocumentNavigator::~UBDocumentNavigator()
 void UBDocumentNavigator::generateThumbnails(UBDocumentContainer* source)
 {
     mThumbsWithLabels.clear();
-//    foreach(QGraphicsItem* it, mScene->items())
     int selectedIndex = -1;
     QList<QGraphicsItem*> graphicsItemList = mScene->items();
     for(int i = 0; i < graphicsItemList.size(); i+=1)

src/gui/UBDocumentTreeWidget.cpp

@@ -326,11 +326,14 @@ void UBDocumentTreeWidget::dropEvent(QDropEvent *event)
                                 QString source = scene->document()->persistencePath() + "/" + relativeFile.toString();
                                 QString target = targetDocProxy->persistencePath() + "/" + relativeFile.toString();
 
+                                if(QFileInfo(source).isDir())
+                                    Q_ASSERT(UBFileSystemUtils::copyDir(source,target));
+                                else{
                                     QFileInfo fi(target);
                                     QDir d = fi.dir();
-
                                     d.mkpath(d.absolutePath());
-                                QFile::copy(source, target);
+                                    Q_ASSERT(QFile::copy(source, target));
+                                }
                             }
 
                             UBPersistenceManager::persistenceManager()->insertDocumentSceneAt(targetDocProxy, sceneClone, targetDocProxy->pageCount());