#ifndef GWt_ligneFaisceau_SEEN
#define GWt_ligneFaisceau_SEEN

#include "dataManager.h"
#include "nomdElements.h"
#include "GWt_pspaApplication.h"
#include "GWt_abstractElement.h"

#include <Wt/WApplication>
#include <Wt/WPushButton>
#include <Wt/WHBoxLayout>
#include <Wt/WContainerWidget>

using namespace Wt;

class GWt_dropZoneLigneFaisceau;
class GWt_sector;

class compteur {
    int n_;
    
    public :
    compteur() {n_= 0;}
    int incr() {return ++n_;}
};

class GWt_ligneFaisceau : public WContainerWidget
{
  dataManager* dataManager_;
  
    public :
  
  GWt_ligneFaisceau(dataManager*,GWt_sector*);
  
    /**
     
     Add an element at a position inside the beam line.
     @param eType : type of element
     @param dropContainer : origin of the drop event
     -
     Special case, when first element is created, we add a drop zone at the end and beginning of the drop zone
     and we center everything
     */
    GWt_abstractElement* addElement(nomdElements::typedElement eType, GWt_dropZoneLigneFaisceau* dropContainer);
    
    void removeElement(GWt_abstractElement*);
    
    ~GWt_ligneFaisceau() {;}
    
    /** return the abstract element at a position
     @param : position in the beam line
     */
    abstractElement* getAbstractElement(int i);

    /** return the numero (1.. infty)  of the abstract element 
     @param : label of this abstractElement in the beam line
     */
    int getAbstractElementNumeroFromLabel(std::string txt);

    //    void restoreElementCollectionFromDataManager();
    void clickEvent(WContainerWidget*);
    void deleteElement(WContainerWidget*);
    int getBeamLineSize();
    
    /**
     remove all elements from beam line
     */
    void clear();
    
    /**
     Return a vector contains all abstract elements in the beam line
     */
    vector <abstractElement*> getAllAbstractElements();
    
    void update();
  
    
  /** Return the sector of this beamLine */
  inline GWt_sector* getUISector() { return UI_sector_;};
  
  void buildBeamLineWidget();

  private :
  void manageLineFaisceauLayout_deprecated();
  
  GWt_dropZoneLigneFaisceau* allDropZone_;
  WHBoxLayout* ligneFaisceauLayout_;
  GWt_sector* UI_sector_;
};

#endif