zq_custom_scale.hpp

/* zq_custom_scale.hpp */
/* $Id$ */
#ifndef __zq_custom_scale_hpp
#define __zq_custom_scale_hpp

#include <vector>

#include <qpen.h>

#include "zq_view.hpp"
#include "zq_scale.hpp"
#include "zd_coord_obj_stream.hpp"


class ZqCustomScale : public ZqScale 
{
public:

  ZqCustomScale (ZqbNatGroup& rNatAxis, const char* szName = NULL);

  ZqCustomScale (ZqbNatGroup& rNatAxis,
         ZqbPlaceholder* pPh, const char* szName = NULL);


  /*
   *  Run-time type identification facility
   */

  virtual bool      compatibleDoc (const ZdDocument* pDoc) const;


  /*
   *  Data control
   */
  
  virtual void      attachStream (ZdCoordObjStream* pStream);

  virtual void      detachDoc ();

  virtual ZdCoordObjStream* stream ();

  void redefineCustomCoord(int coordId); 
  
  int getRedefinedCustomCoord() {return m_CustomCoordId;}

  void setDefaultCustomCoord();
      
  
  /*
   *  Properties - inherited from ZqScale
   */


  /*
   *  Polymorphic methods
   */

  virtual void      redraw (QPainter& paint);
  
  class DefCoordObjStream : public ZdCoordObjStream
  {
  public:
    DefCoordObjStream(const char* szDocName = NULL);

    virtual bool getCoordRange (double c[2]);
    
    virtual double averageCoordStep ();
      
    virtual int maxEnsembleLength ();
    
    virtual bool goFirstCoord ();
        
    virtual bool goNextCoord ();
        
    virtual double coord ();
    
    virtual int ensembleLength ();
  
    void* custom (int ens_index=0, ZqbType* pRetType=NULL);
    
  private:

    int m_coord;
    
    static int      s_iNameCounter;
    static const char       *s_szOwnType;
  };
  
protected:
  
  virtual void adjustSizeLimits (QPainter& paint);
  
  ZdCoordObjStream  *m_pStream;

  bool m_bDefaultCustomCoord;

  int m_CustomCoordId;
  
  void draw_scale(QPainter& paint, ZdCoordObjStream *ipStream);
  
  virtual QString   prepareLabel (ZdCoordObjStream *ipStream);
 
private:
    
  static int        s_iNameCounter;
  
  static DefCoordObjStream m_DefStream;
};


#endif /* zq_custom_scale.hpp */