--- /dev/null
+// Copyright (C) 2007-2015 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, or (at your option) any later version.
+//
+// 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
+//
+//
+#ifndef STDMESHERSGUI_PropagationHelperWdg_H
+#define STDMESHERSGUI_PropagationHelperWdg_H
+
+#include "SMESH_StdMeshersGUI.hxx"
+
+#include <QWidget>
+#include <vector>
+
+class QPushButton;
+class QListWidget;
+class StdMeshersGUI_SubShapeSelectorWdg;
+class vtkRenderer;
+class GEOM_Actor;
+
+/*!
+ * \brief A widget showing a list of propagation chains of EDGEs.
+ * Selecting a chain shows its EDGEs in a viewer with all EDGEs equally oriented,
+ * 'Reverse' button reverses the EDGEs of a selected chain. 'Add' button adds
+ * EDGEs to a list of reversed EDGEs of StdMeshersGUI_SubShapeSelectorWdg
+ */
+class STDMESHERSGUI_EXPORT StdMeshersGUI_PropagationHelperWdg : public QWidget
+{
+ Q_OBJECT
+
+ public:
+ StdMeshersGUI_PropagationHelperWdg( StdMeshersGUI_SubShapeSelectorWdg* subSelectWdg,
+ QWidget* parent = 0 );
+ ~StdMeshersGUI_PropagationHelperWdg();
+
+ private slots:
+
+ void onShowGeometry(bool toShow);
+ void onListSelectionChanged();
+ void onAdd();
+ void onReverse();
+ void updateList(bool enable);
+
+ private:
+
+ bool buildChains();
+ std::vector< int > * getSelectedChain();
+
+ StdMeshersGUI_SubShapeSelectorWdg* mySubSelectWdg;
+ vtkRenderer* myRenderer;
+ GEOM_Actor* myActor;
+ GEOM_Actor* myModelActor;
+
+ QListWidget* myListWidget;
+ QPushButton* myAddButton;
+ QPushButton* myReverseButton;
+
+ std::vector< std::vector<int> > myChains;
+};
+
+#endif
