Fixed pares duplication - corrected previews generation.

src/board/UBBoardController.cpp

@@ -526,7 +526,8 @@ void UBBoardController::duplicateScene(int nIndex)
     QList<int> scIndexes;
     scIndexes << nIndex;
     duplicatePages(scIndexes);
-
+    insertThumbPage(nIndex);
+    emit documentThumbnailsUpdated(this);
     selectedDocument()->setMetaData(UBSettings::documentUpdatedAt, UBStringUtils::toUtcIsoDateTime(QDateTime::currentDateTime()));
 
     setActiveDocumentScene(nIndex + 1);

src/document/UBDocumentContainer.cpp

@@ -46,10 +46,8 @@ void UBDocumentContainer::duplicatePages(QList<int>& pageIndexes)
     foreach(int sceneIndex, pageIndexes)
     {
         UBPersistenceManager::persistenceManager()->duplicateDocumentScene(mCurrentDocument, sceneIndex + offset);
-        insertThumbPage(sceneIndex + offset);
         offset++;
     }
-    emit documentThumbnailsUpdated(this);
 }
 
 bool UBDocumentContainer::movePageToIndex(int source, int target)

src/document/UBDocumentContainer.h

@@ -44,16 +44,14 @@ class UBDocumentContainer : public QObject
         void addEmptyThumbPage();
 
     private:
-        void deleteThumbPage(int index);
-        void updateThumbPage(int index);
-        void insertThumbPage(int index);
-
-
         UBDocumentProxy* mCurrentDocument;
         QList<const QPixmap*>  mDocumentThumbs;
 
    
     protected:
+        void deleteThumbPage(int index);
+        void updateThumbPage(int index);
+        void insertThumbPage(int index);
         void reloadThumbnails();
 
     signals:

src/document/UBDocumentController.cpp

@@ -501,7 +501,7 @@ void UBDocumentController::duplicateSelectedItem()
         if (selectedSceneIndexes.count() > 0)
         {
             duplicatePages(selectedSceneIndexes);
-
+            emit documentThumbnailsUpdated(this);
             selectedDocument()->setMetaData(UBSettings::documentUpdatedAt, UBStringUtils::toUtcIsoDateTime(QDateTime::currentDateTime()));
             UBMetadataDcSubsetAdaptor::persist(selectedDocument());
             mDocumentUI->thumbnailWidget->selectItemAt(selectedSceneIndexes.last() + selectedSceneIndexes.size());