diff --git a/keduvocdocument/keduvocreadonlycontainermodel.cpp b/keduvocdocument/keduvocreadonlycontainermodel.cpp
index 8a4ff80..d4372a7 100644
--- a/keduvocdocument/keduvocreadonlycontainermodel.cpp
+++ b/keduvocdocument/keduvocreadonlycontainermodel.cpp
@@ -1,212 +1,212 @@
 /***************************************************************************
 
     Copyright 2007-2008 Frederik Gladhorn <frederik.gladhorn@kdemail.net>
 
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #include "keduvocreadonlycontainermodel.h"
 
 #include <KLocalizedString>
 #include <QDebug>
 
 #include "keduvoccontainermimedata.h"
 #include "keduvocvocabularymimedata.h"
 
 #include <keduvocdocument.h>
 #include <keduvoclesson.h>
 #include <keduvocwordtype.h>
 #include <keduvocexpression.h>
 
 class KEduVocReadonlyContainerModel::Private
 {
 public:
     KEduVocContainer::EnumContainerType m_type;
     KEduVocDocument *m_doc;
 
-    Private(KEduVocContainer::EnumContainerType & type);
+    Private(KEduVocContainer::EnumContainerType type);
 };
 
-KEduVocReadonlyContainerModel::Private::Private(KEduVocContainer::EnumContainerType & type)
+KEduVocReadonlyContainerModel::Private::Private(KEduVocContainer::EnumContainerType type)
     : m_type(type)
     , m_doc(0)
 {
 }
 
 /** @file
   * Implementation of ReadonlyContainerModel.
   * Functions to create the model from the lessons of the vocabulary document.
   */
 
 
-KEduVocReadonlyContainerModel::KEduVocReadonlyContainerModel(KEduVocContainer::EnumContainerType & type,
+KEduVocReadonlyContainerModel::KEduVocReadonlyContainerModel(KEduVocContainer::EnumContainerType type,
                                                              QObject * parent)
     : QAbstractItemModel( parent )
     , d( new Private( type ))
 {
 }
 
 KEduVocReadonlyContainerModel::~KEduVocReadonlyContainerModel()
 {
     delete d;
 }
 
 KEduVocContainer::EnumContainerType KEduVocReadonlyContainerModel::containerType() const
 {
     return d->m_type;
 }
 
 KEduVocDocument* KEduVocReadonlyContainerModel::document() const
 {
     return d->m_doc;
 }
 
 void KEduVocReadonlyContainerModel::setDocument(KEduVocDocument * doc)
 {
     beginResetModel();
     d->m_doc = doc;
     if (d->m_doc) {
         //qDebug() << "Set Document: " << d->m_doc->url();
     } else {
         //qDebug() << "Set Invalid Document";
     }
     endResetModel();
 }
 
 QModelIndex KEduVocReadonlyContainerModel::index(int row, int column, const QModelIndex &parent) const
 {
     if (!d->m_doc || !hasIndex(row, column, parent)) {
         return QModelIndex();
     }
 
     KEduVocContainer *parentContainer;
 
     if (!parent.isValid()) {
         parentContainer = 0;
     } else {
         parentContainer = static_cast<KEduVocContainer*>(parent.internalPointer());
     }
 
     KEduVocContainer *childContainer = 0;
     if (!parentContainer) {
         childContainer = rootContainer();
         if (!childContainer) {
             return QModelIndex();
         }
     } else {
         childContainer = parentContainer->childContainer(row);
     }
     return createIndex(row, column, childContainer);
 }
 
 QModelIndex KEduVocReadonlyContainerModel::index(KEduVocContainer * container) const
 {
     if (!container) {
         return QModelIndex();
     }
 
     QModelIndex currentIndex = index(container->row(), 0, index(container->parent()));
     Q_ASSERT(container == currentIndex.internalPointer());
 
     return currentIndex;
 }
 
 QModelIndex KEduVocReadonlyContainerModel::parent(const QModelIndex &index) const
 {
     if (!index.isValid()) {
         return QModelIndex();
     }
 
     KEduVocContainer *childItem = static_cast<KEduVocContainer*>(index.internalPointer());
     if (!childItem) {
         return QModelIndex();
     }
 
     KEduVocContainer *parentItem = childItem->parent();
 
     if (!parentItem) {
         return QModelIndex();
     }
 
     QModelIndex parentIndex = createIndex(parentItem->row(), 0, parentItem);
     return parentIndex;
 }
 
 int KEduVocReadonlyContainerModel::rowCount(const QModelIndex &parent) const
 {
     if (parent.column() > 0) {
         return 0;
     }
 
     KEduVocContainer *parentItem;
     if (!parent.isValid()) {
         // root element
         if (!d->m_doc) {
             return 0;
         }
         return 1;
     } else {
         parentItem =  static_cast<KEduVocContainer*>(parent.internalPointer());
         return parentItem->childContainerCount();
     }
 }
 
 QVariant KEduVocReadonlyContainerModel::data(const QModelIndex & index, int role) const
 {
     if (!index.isValid()) {
         return QVariant();
     }
 
     KEduVocContainer *container = static_cast<KEduVocContainer*>(index.internalPointer());
 
     switch (index.column()) {
     case 0: // Container name
         if (role == Qt::DisplayRole || role == Qt::EditRole) {
             if (index.parent() == QModelIndex()) {
                 return i18n("None");
             }
             return container->name();
         }
         if (role == Qt::TextAlignmentRole) {
             return Qt::AlignLeft;
         }
         break;
     }
 
     return QVariant();
 }
 
 Qt::ItemFlags KEduVocReadonlyContainerModel::flags(const QModelIndex &index) const
 {
     if (index.isValid()) {
         // the root element, not editable for now
         if (index.parent() == QModelIndex()) {
             return (Qt::ItemIsEnabled | Qt::ItemIsSelectable);
         }
         // the name column
         if (index.column() == 0) {
             return (Qt::ItemIsEnabled | Qt::ItemIsSelectable);
         } else { // every other element
             return (Qt::ItemIsEnabled | Qt::ItemIsSelectable);
         }
     }
     return  0;
 }
 
 int KEduVocReadonlyContainerModel::columnCount(const QModelIndex & parent) const
 {
     Q_UNUSED(parent);
     if (!d->m_doc) {
         return 1;
     }
 
     return 1;
 }
\ No newline at end of file
diff --git a/keduvocdocument/keduvocreadonlycontainermodel.h b/keduvocdocument/keduvocreadonlycontainermodel.h
index 2b0b7bf..c86f199 100644
--- a/keduvocdocument/keduvocreadonlycontainermodel.h
+++ b/keduvocdocument/keduvocreadonlycontainermodel.h
@@ -1,72 +1,72 @@
 /***************************************************************************
 
     Copyright 2007-2008 Frederik Gladhorn <frederik.gladhorn@kdemail.net>
 
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #ifndef KEDUVOCREADONLYCONTAINERMODEL_H
 #define KEDUVOCREADONLYCONTAINERMODEL_H
 
 #include <QAbstractItemModel>
 #include <QModelIndex>
 
 #include <QObject>
 
 #include <keduvocdocument.h>
 #include <keduvoclesson.h>
 
 /**
   * Model for the tree of containers (lessons, word types).
   * ReadonlyContainerModel is a read only tree model.
   * @see ContainerModel for its subclass that includes more options.
   */
 
 class KEDUVOCDOCUMENT_EXPORT KEduVocReadonlyContainerModel : public QAbstractItemModel
 {
     Q_OBJECT
 
 public:
-    explicit KEduVocReadonlyContainerModel(KEduVocContainer::EnumContainerType & type, QObject *parent = 0);
+    explicit KEduVocReadonlyContainerModel(KEduVocContainer::EnumContainerType type, QObject *parent = 0);
 
     ~KEduVocReadonlyContainerModel();
 
     virtual QVariant data(const QModelIndex &index, int role) const;
     virtual Qt::ItemFlags flags(const QModelIndex &index) const;
 
     virtual QModelIndex index(int row, int column,
                               const QModelIndex &parent = QModelIndex()) const;
 
     QModelIndex index(KEduVocContainer* container) const;
 
     virtual QModelIndex parent(const QModelIndex &index) const;
     virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
     virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;
 
     // getter methods
     KEduVocContainer::EnumContainerType containerType() const;
     KEduVocDocument* document() const;
 
 public slots:
     /** Set the new source kvtml file
      * @param doc the new file */
     virtual void setDocument(KEduVocDocument *doc);
 
 protected:
     virtual KEduVocContainer *rootContainer() const = 0;
 
 private:
     class Private;
     Private * const d;
 };
 
 
 #endif