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diff --git a/src/SessionTreeModel.h b/src/SessionTreeModel.h
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+++ b/src/SessionTreeModel.h
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+/*
+ * Copyright (c) 2010,2011 - RZ Uni Freiburg
+ * Copyright (c) 2010,2011 - OpenSLX Project
+ *
+ * This program/file is free software distributed under the GPL version 2.
+ * See http://gpl.openslx.org/
+ *
+ * If you have any feedback please consult http://feedback.openslx.org/ and
+ * send your feedback to feedback@openslx.org
+ *
+ * General information about OpenSLX - libChooser can be found under
+ * http://openslx.org
+ *
+ */
+
+#ifndef VMCHOOSER_SESSIONTREEMODEL_H
+#define VMCHOOSER_SESSIONTREEMODEL_H
+
+#include <QAbstractItemModel>
+#include <QModelIndex>
+#include <QVariant>
+
+class SessionTreeItem;
+class Session;
+
+class SessionTreeModel : public QAbstractItemModel {
+    Q_OBJECT
+
+  public:
+    explicit SessionTreeModel(QObject *parent = 0);
+    ~SessionTreeModel();
+
+    QVariant data(const QModelIndex &index, int role) const;
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+    QVariant headerData(int section, Qt::Orientation orientation,
+                        int role = Qt::DisplayRole) const;
+    QModelIndex index(int row, int column,
+                      const QModelIndex &parent = QModelIndex()) const;
+    QModelIndex parent(const QModelIndex &index) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+
+    void addItems(const QList<Session*>& sessions, const QString& section);
+
+
+  private:
+    SessionTreeItem* root_;
+};
+
+#endif // VMCHOOSER_SESSIONTREEMODEL_H