//-*-c++-*-
/**
 Authors: David Auber, Patrick Mary, Morgan Mathiaut
 from the LaBRI Visualization Team
 Email : auber@tulip-software.org
 Last modification : 22/01/2009 
 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 MOUSEEDGEBENDEDITION_H
#define MOUSEEDGEBENDEDITION_H
#include <vector>
#include <tulip/GlCircle.h>
#include <tulip/Observable.h>
#include <tulip/GWInteractor.h>

/** \addtogroup Mouse_interactor */ 
/*@{*/

namespace tlp {

  /// This interactor allows to move/add/delete EdgeBends
  class TLP_QT_SCOPE MouseEdgeBendEditor:public Interactor {

  public:

    MouseEdgeBendEditor();
    ~MouseEdgeBendEditor() {if(glMainWidget)glMainWidget->getScene()->getSelectionLayer()->deleteGlEntity("EdgeBendEditorComposite");}
    bool compute(GlMainWidget *glMainWidget);
    bool draw(GlMainWidget *);
    bool eventFilter(QObject *, QEvent *);
    Interactor *clone() { return new MouseEdgeBendEditor(); }

  private:
    enum EditOperation { NONE_OP=0, TRANSLATE_OP, NEW_OP, DELETE_OP};
    enum OperationTarget { COORD = 0, SIZE, COORD_AND_SIZE};

    Graph *_graph;
    GlMainWidget* glMainWidget;
    LayoutProperty *_layout;
    BooleanProperty *_selection;
    DoubleProperty *_rotation;
    SizeProperty *_sizes;
    LayoutProperty *_copyLayout;
    SizeProperty *_copySizes;
    DoubleProperty *_copyRotation;

    void initProxies(GlMainWidget *glMainWidget);
    void saveInfo();
    void restoreInfo();
    void initEdition();
    void undoEdition();
    void stopEdition();

    EditOperation operation;
    OperationTarget mode;

    Coord editPosition;
    
    std::vector<tlp::GlCircle> circles;
    std::vector<Coord> coordinates;
    tlp::GlCircle basicCircle;
    tlp::GlComposite circleString;
    std::vector <GlEntity * > select;
    edge mEdge;
    Coord start, end;
    std::string theCircle;
    bool belong(Coord, Coord, Coord, GlMainWidget*);
    bool computeBendsCircles(GlMainWidget*);
    void mMouseTranslate(double, double, GlMainWidget*);
    void mMouseDelete();
    void mMouseCreate(double, double, GlMainWidget*);
  };

}
/*@}*/

#endif