Fix for a document's page duplication. Teacher bar's info wasn't quite correct. This is also related to ticket #409 part 2.

src/board/UBBoardPaletteManager.cpp

@@ -1062,3 +1062,8 @@ void UBBoardPaletteManager::ForceTeacherBarToSaveData()
 {
 	mpTeacherBarWidget->saveContent();
 }
+
+void UBBoardPaletteManager::ForceTeacherBarToLoadData()
+{
+	mpTeacherBarWidget->loadContent();
+}

src/board/UBBoardPaletteManager.h

@@ -67,6 +67,7 @@ class UBBoardPaletteManager : public QObject
         void stopDownloads();
         QRect GetFreeRectGlobalCoords() const;
 		void ForceTeacherBarToSaveData();
+		void ForceTeacherBarToLoadData();
 
     signals:
         void connectToDocController();

src/core/UBPersistenceManager.cpp

@@ -488,8 +488,12 @@ void UBPersistenceManager::duplicateDocumentScene(UBDocumentProxy* proxy, int in
 
     proxy->incPageCount();
 
-    emit documentSceneCreated(proxy, index + 1);
+	//due to architectural peculiarity we need to save teacher bar info, otherwise we'll see not exactly what we expect
-
+	sTeacherBarInfos properInfo = getTeacherBarInfos(proxy, index + 1);
+	//after the call below
+	emit documentSceneCreated(proxy, index + 1);
+	//restoring info
+	persistTeacherBar(proxy, index + 1, properInfo);
 }
 
 

src/document/UBDocumentController.cpp

@@ -574,6 +574,8 @@ void UBDocumentController::duplicateSelectedItem()
             UBMetadataDcSubsetAdaptor::persist(proxy);
             mDocumentUI->thumbnailWidget->selectItemAt(selectedSceneIndexes.last() + offset);
         }
+		//necessary due to architectural peculiarities
+		if(paletteMan) paletteMan->ForceTeacherBarToLoadData();
     }
     else
     {