--- /dev/null
+// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// Author: Guillaume Boulant (EDF/R&D)
+
+#ifndef _TREEOBSERVER_
+#define _TREEOBSERVER_
+
+#include "TreeData.hxx"
+
+#include <QObject>
+#include "TreeView.hxx"
+
+class TREEDATA_EXPORT TreeObserver : public QObject {
+
+ Q_OBJECT
+
+public:
+ TreeObserver();
+ void observe(TreeView * treeView);
+
+public slots:
+ /* These slots should be implemented in a specialized version of
+ the TreeObserver to process signals emitted from the TreeView */
+ virtual void processItemList(QStringList itemNameIdList, int actionId);
+};
+
+#endif // _TREEOBSERVER_
